CN110441673B - Active implantable medical device wireless charging and communication coil fixed connection assembly - Google Patents
Active implantable medical device wireless charging and communication coil fixed connection assembly Download PDFInfo
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- CN110441673B CN110441673B CN201910799573.8A CN201910799573A CN110441673B CN 110441673 B CN110441673 B CN 110441673B CN 201910799573 A CN201910799573 A CN 201910799573A CN 110441673 B CN110441673 B CN 110441673B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
本发明提供有源植入式医疗装置无线充电及通讯线圈固定连接组件，包括：框架，所述框架包括：第一容纳槽、第二容纳槽、连接孔；所述连接孔贯穿所述框架，用于穿过刚性连接件，使所述刚性连接件分别与所述硬连接板和所述线圈电连接；所述连接孔与所述刚性连接件通过定位结构连接；本发明的线圈固定连接组件，具有框架，通过框架的正反两面分别固定硬线路板和线圈，并在框架上设有连接孔，用于穿过刚性连接件、对刚性连接件进行固定，使刚性连接件的两端能够便于分别与硬线路板和线圈电连接，从而避免了以往将硬线路板和线圈电连接采用柔性连接件的弊端，使连接后的硬线路板和线圈能够便于多次拆装，而不易造成整个装置的损坏。
The present invention provides an active implantable medical device wireless charging and communication coil fixed connection component, comprising: a frame, the frame comprising: a first accommodating groove, a second accommodating groove, and a connecting hole; the connecting hole passes through the frame and is used to pass through a rigid connector so that the rigid connector is electrically connected to the hard connection board and the coil respectively; the connecting hole is connected to the rigid connector via a positioning structure; the coil fixed connection component of the present invention has a frame, and a hard circuit board and a coil are respectively fixed on the front and back sides of the frame, and a connecting hole is provided on the frame, which is used to pass through the rigid connector and fix the rigid connector, so that the two ends of the rigid connector can be easily electrically connected to the hard circuit board and the coil respectively, thereby avoiding the disadvantages of using flexible connectors to electrically connect the hard circuit board and the coil in the past, so that the connected hard circuit board and coil can be easily disassembled and assembled multiple times without causing damage to the entire device.
Description
Technical Field
The invention relates to the technical field of implantable medical devices, in particular to a wireless charging and communication coil fixed connection assembly of an active implantable medical device.
Background
The human active implantable medical device (Active Implantable MEDICAL DEVICE, AIMD) is a medical device which is installed inside the body of a user, a battery, a hard circuit board (provided with elements such as a sensor and a chip) and the AIMD realizes corresponding therapy by means of set programs and operation parameters, and the operation parameters can be set differently according to the condition of the user. Because of the different causes and conditions of the users, the active implantable medical devices installed in different users generally have different operating states, and the operating states are represented in various aspects of battery voltage, operating time, power, current magnitude, frequency and the like of the active implantable medical instrument. To ensure stability, safety and long-term reliability of the implant, it is often necessary to perform a thorough test of the implant, and in particular, a thorough test of the hard wiring board of the implant.
In the active implantation device in the prior art, as the volume of the implantation device is pursued to be minimized, a hard circuit board and a coil are commonly connected by adopting a soft connecting plate, and two assembly modes exist, namely, the coil and the soft connecting plate are connected into a whole, the hard circuit board is subjected to independent test, and the soft connecting plate is connected with the hard circuit board after the hard circuit board is tested; and secondly, connecting the hard circuit board with the soft connecting plate, testing the hard circuit board and the soft connecting plate together, and then connecting the soft connecting plate with the coil.
The soft connecting plate is inevitably used no matter which connecting process is adopted, and the soft connecting plate is fixed through gluing after being welded and connected with the coil or the hard circuit board, so that the soft connecting plate is inconvenient to detach, and the whole device is easy to damage after unqualified detachment is detected. In addition, after the soft connecting plates are welded, in order to ensure the welding quality, the requirements on the storage time and the storage condition are high.
Disclosure of Invention
Accordingly, in order to facilitate multiple disassembly and assembly of the active implant device, the present invention provides a coil securing connection assembly for an active implant device that does not employ a flexible connection plate connection.
The invention provides a wireless charging and communication coil fixed connection assembly for an active implantable medical device, which comprises: the frame, be equipped with on the frame:
The first accommodating groove is positioned on one surface of the frame and is used for accommodating the hard circuit board;
The second accommodating groove is positioned on the other surface of the frame relative to the first accommodating groove and is used for accommodating the coil;
A connection hole penetrating through the frame for passing through a rigid connection member to electrically connect the rigid connection member with the hard circuit board and the coil, respectively; the connecting hole is connected with the rigid connecting piece through a positioning structure.
Preferably, the method further comprises:
and the upper cover is provided with a groove for accommodating the frame and is detachably and fixedly connected with the outer wall of the frame.
Preferably, the method further comprises:
the lower cover is buckled and butted with the upper cover and is fixedly connected with the frame through clamping.
Preferably, the lower cover includes:
The outer sleeve is buckled and butted with the upper cover;
and the lining is detachably and fixedly connected in the outer sleeve and is used for clamping the frame.
Preferably, the first accommodating groove side of the frame is provided with a buckle extending towards the lower cover, and the lining of the lower cover is provided with a first clamping hole for being matched with the buckle in a clamping way.
Preferably, the frame further comprises,
A battery receiving hole provided at a middle portion of the frame for passing through a battery of the active implant medical device.
Preferably, the second accommodating groove of the frame is divided into two circles by a partition plate for accommodating the first coil and the second coil, respectively.
As a preferable scheme, a positioning column is arranged in the first accommodating groove of the frame and used for positioning the frame through the hard circuit board.
Preferably, a positioning structure of the rigid connecting piece is arranged on one side, close to the first accommodating groove, of the connecting hole on the frame, and the positioning structure is used for fixing the rigid connecting piece through clearance fit.
Preferably, the positioning structure includes:
the positioning blocks are of a quarter-cylindrical structure and are respectively arranged in two adjacent quadrants at the periphery of the connecting hole, and a gap for accommodating the rigid connecting piece is formed between the two positioning blocks.
The technical scheme of the invention has the following advantages:
1. the wireless charging and communication coil fixing and connecting assembly of the active implanted medical device provided by the invention is provided with the frame, the hard circuit board and the coil are respectively fixed through the front surface and the back surface of the frame, and the connecting hole is formed in the frame and used for penetrating through the rigid connecting piece and fixing the rigid connecting piece, so that the two ends of the rigid connecting piece can be conveniently and respectively electrically connected with the hard circuit board and the coil, the defect that the hard circuit board and the coil are electrically connected by adopting flexible connecting pieces in the past is avoided, and the connected hard circuit board and coil can be conveniently and repeatedly disassembled, and the damage of the whole device is not easy to be caused; the connecting hole is connected with the rigid connecting piece through a positioning structure, and the rigid connecting piece can be inserted into the connecting hole and then can be subjected to the positioning structure, so that two ends of the rigid connecting piece can be electrically connected with the hard circuit board and the coil respectively more smoothly.
2. The wireless charging and communication coil fixing and connecting assembly of the active implanted medical device provided by the invention is characterized in that the upper cover is arranged on the side of the second accommodating hole of the frame, which is used for accommodating the coil, and the coil can be sealed in the second accommodating hole through the upper cover and the frame, so that the circuit board is ensured not to be exposed.
3. The wireless charging and communication coil fixing and connecting assembly for the active implanted medical device is characterized in that the lower cover is arranged on the side of the first accommodating hole of the frame, which is used for accommodating the rigid connecting piece, and the hard circuit board can be sealed in the first accommodating hole through the lower cover and the frame, so that the circuit board is not exposed, and after the upper cover and the lower cover are buckled and butted, the whole appearance of the wireless charging and communication coil fixing and connecting assembly is flat semicircular, and the wireless charging and communication coil fixing and connecting assembly is provided with radian, so that the wireless charging and communication coil fixing and connecting assembly can be implanted into a human body more conveniently.
4. The wireless charging and communication coil fixed connection assembly of the active implanted medical device provided by the invention has the advantages that the lower cover is formed by combining the outer sleeve and the inner liner, the outer sleeve is used for being buckled and butted with the upper cover, and the inner liner is used for being connected with the frame in a clamping way, so that the coil fixed connection assembly is ensured to be arc-shaped in shape, and the manufacturing difficulty of integrally manufacturing the lower cover can be reduced.
5. The invention provides a wireless charging and communication coil fixing and connecting assembly for an active implanted medical device, which is characterized in that a buckle for clamping and connecting a frame and a lower cover is arranged on the frame, the buckle is inserted into a first clamping hole arranged on a lining of the lower cover to complete the combination of the buckle and the first clamping hole, and at the moment, the buckling and butt joint of an outer sleeve of the lower cover and an upper cover are completed, so that the appearance of the coil fixing and connecting assembly forms an arc-shaped structure convenient for implantation.
6. According to the wireless charging and communication coil fixed connection assembly for the active implanted medical device, provided by the invention, the battery accommodating hole is formed in the frame, and the battery arranged on the hard circuit board can pass through the battery accommodating hole, so that the battery can be better accommodated in the coil fixed connection assembly, the occupied space of the battery is reduced, and the coil fixed connection assembly is smaller.
7. The wireless charging and communication coil fixed connection assembly of the active implanted medical device provided by the invention is characterized in that the second accommodating groove of the frame is divided into two circles which are respectively used for accommodating the first coil and the second coil through the partition plate, so that two groups of coils which are required to be disconnected with each other are fixed in the second accommodating groove, and the volume of the coil fixed connection assembly is reduced.
8. The wireless charging and communication coil fixing connection assembly of the active implanted medical device provided by the invention has the advantages that the positioning column is arranged in the first accommodating groove of the frame, the hard circuit board can be positioned through the positioning column, and the accurate installation position of the hard circuit board is ensured.
9. The wireless charging and communication coil fixing and connecting assembly for the active implanted medical device provided by the invention has the advantages that the rigid connecting piece locating structure is arranged on one side, close to the first accommodating groove, of the connecting hole on the frame and is used for fixing the rigid connecting piece, random movement of the rigid connecting piece is avoided, and the accurate connecting position of the rigid connecting piece is ensured.
10. According to the wireless charging and communication coil fixed connection assembly of the active implanted medical device, which is provided by the invention, the rigid connection piece is in clearance fit through the clearance between the two positioning blocks, so that the random rotation of the rigid connection piece is limited, and the unification of the directions of the rigid connection piece is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective exploded view of an active implantable medical device.
Fig. 2 is a schematic perspective view of the assembled exploded view of fig. 1.
Fig. 3 is a schematic perspective view of a frame.
Fig. 4 is a schematic perspective view of the frame after being connected to the coil and the rigid connection member, respectively.
Fig. 5 is a schematic perspective view of the frame of fig. 3 from the bottom.
Fig. 6 is a schematic perspective view of a rigid connector.
Fig. 7 is a schematic perspective view of the frame of fig. 4 from the bottom.
Fig. 8 is an enlarged view of area a in fig. 7.
Fig. 9 is an exploded view of a three-dimensional structure of the housing assembly.
Fig. 10 is a front view of a rigid connection of an embodiment.
Fig. 11 is a schematic perspective view of the rigid connector of fig. 10.
Fig. 12 is a schematic view of the connection structure of the rigid connection member and the frame shown in fig. 10.
Fig. 13 is an enlarged view of region B in fig. 12.
Fig. 14 is a front view of another embodiment rigid connector.
Fig. 15 is a schematic perspective view of the rigid connector of fig. 14.
Fig. 16 is a schematic view of the connection structure of the rigid connection member and the frame shown in fig. 14.
Fig. 17 is an enlarged view of region C in fig. 16.
FIG. 18 is a schematic diagram showing a connection structure between the rigid connection member and the frame in one embodiment.
Fig. 19 is a schematic view of the bottom angle perspective structure of fig. 18.
Reference numerals illustrate:
1. A first accommodation groove; 2. a second accommodation groove; 3. a hard wiring board; 4. a coil; 5. a rigid connection; 6. an insertion hole; 7. a first connection section; 8. bending sections; 9. a second connection section; 10. an upper cover; 11. a frame; 12. a lower cover; 13. a connection hole; 14. a positioning block; 15. a jacket; 16. a lining; 17. a buckle; 18. a first clamping hole; 19. a second clamping hole; 20. a battery accommodating hole; 21. a battery; 22. a partition plate; 23. positioning columns; 24. a first positioning flange; 25. a second locating flange; 26. a via post; 27. an elastic connection member.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
As shown in fig. 1 and 9, one embodiment of a coil carrier assembly for an active implantable medical device, comprises: the frame 11, the upper cover 10 and the lower cover 12, wherein the lower cover 12 comprises a detachable outer sleeve 15 and an inner liner 16, and the outer sleeve 15 and the inner liner 16 are fixedly connected through glue bonding.
The upper cover 10 has a groove for receiving the frame 11 and is detachably and fixedly coupled with the outer wall of the frame 11.
The lower cover 12 is buckled and butted with the upper cover 10 and is fixedly connected with the frame 11 through a clamping connection, wherein an outer sleeve 15 of the lower cover 12 is buckled and butted with the upper cover 10, and an inner liner 16 of the lower cover 12 is detachably and fixedly connected in the outer sleeve 15 and is used for clamping the frame 11. The upper cover sets up the second accommodation hole side that is used for holding the coil at the frame, can seal the coil in the second accommodation hole through upper cover and frame to guarantee that the circuit board is not exposed. The lower cover is arranged on the side of the first accommodating hole of the frame, which is used for accommodating the rigid connecting piece, and the hard circuit board can be sealed in the first accommodating hole through the lower cover and the frame, so that the circuit board is not exposed, and after the upper cover and the lower cover are buckled and abutted, the whole appearance of the lower cover is flat semi-circular, and due to radian, the lower cover and the upper cover can be implanted more conveniently. The lower cover is formed by combining the outer sleeve and the inner liner, the outer sleeve is used for being buckled and butted with the upper cover, and the inner liner is used for being connected with the frame in a clamping mode, so that the coil bracket assembly is ensured to be arc-shaped in shape, and the manufacturing difficulty of integrally manufacturing the lower cover can be reduced.
The buckle for the clamping connection frame and the lower cover is arranged on the frame, the buckle is inserted into the first clamping hole formed in the lining of the lower cover to complete the combination of the buckle and the first clamping hole, and at the moment, the outer sleeve of the lower cover is buckled and butted with the upper cover, so that the appearance of the coil bracket assembly forms an arc structure convenient to implant.
As shown in fig. 3 and 5, the frame 11 includes: a first accommodating groove 1, a second accommodating groove 2 and a connecting hole 13, wherein the first accommodating groove 1 is positioned on one surface of the frame 11 and is used for accommodating the hard circuit board 3; the second accommodating groove 2 is positioned on the other side of the frame 11 relative to the first accommodating groove 1 and is used for accommodating the coil 4; the connection hole 13 penetrates the frame 11 to pass through the rigid connection member 5, so that the rigid connection member 5 is electrically connected with the hard circuit board 3 and the coil 4, respectively. The hard circuit board and the coil are respectively fixed on the front side and the back side of the frame, and the connecting holes are formed in the frame and used for penetrating through the rigid connecting piece and fixing the rigid connecting piece, so that the two ends of the rigid connecting piece can be conveniently and respectively electrically connected with the hard circuit board and the coil, the defect that the hard circuit board and the coil are electrically connected by adopting the flexible connecting piece in the past is avoided, the hard circuit board and the coil after connection can be conveniently dismounted and mounted for multiple times, the hard circuit board 3, the coil 4 and the battery with higher cost are not easy to damage during dismounting, and the frame 11 with lower cost can be integrally replaced, so that the dismounting cost is reduced.
The frame 11 further includes a battery receiving hole 20, the battery receiving hole 20 being provided at a central portion of the frame 11 for passing through a battery 21 of the active implanted medical device. After passing through the battery accommodating hole, the battery 21 is placed on the hard circuit board 3, so that the battery is better accommodated in the coil bracket assembly, the occupied space of the battery is reduced, and the coil bracket assembly is smaller.
As shown in fig. 3, the second receiving groove 2 of the frame 11 is divided into two loops by a partition plate 22 for receiving the first coil and the second coil, respectively. The first coil and the second coil are not connected to each other, and the coil bracket assembly can be reduced in volume by being commonly fixed in the second accommodation groove.
As shown in fig. 5, a positioning post 23 is disposed in the first accommodating groove 1 of the frame 11, and the positioning post 23 is used for positioning the hard circuit board 3 through the hard circuit board. The first accommodating groove 1 side of the frame 11 is also provided with a buckle 17 extending towards the lower cover 12, and the lining 16 of the lower cover 12 is provided with a first clamping hole 18 for being matched with the buckle 17 in a clamping way. The frame can pass through the hard circuit board through the reference column, fixes a position the hard circuit board, guarantees that the mounted position of hard circuit board is accurate.
As shown in fig. 7 and 8, the frame 11 is provided with a positioning structure of the rigid connection member 5 on a side of the connection hole 13 near the first receiving groove 1, and the positioning structure fixes the direction of the rigid connection member 5 by clearance fit. The positioning structure comprises two positioning blocks 14, wherein the two positioning blocks 14 are of a quarter-cylindrical structure and are respectively arranged in two adjacent quadrants on the periphery of the connecting hole 13, and a gap for accommodating the rigid connecting piece 5 is formed between the two positioning blocks 14. The positioning structure on the frame is used for fixing the rigid connecting piece, avoiding random movement of the rigid connecting piece, ensuring accurate connection position of the rigid connecting piece, and performing clearance fit on the rigid connecting piece through a gap between the two positioning blocks, thereby limiting random rotation of the rigid connecting piece and ensuring uniform direction of the rigid connecting piece.
Principle of operation
The coil 4 is fixed in the second accommodating groove 2 above the frame 11, then the frame 11 is detachably embedded into the upper cover 10 for fixing, the inner liner 16 of the lower cover 12 is detachably embedded into the outer sleeve 15, and then the inner liner is inserted into the outer sleeve 15 of the lower cover 12 through the inward concave step at the edge of the upper cover 10, so that the buckling butt joint of the upper cover 10 and the lower cover 12 is completed; when the hard circuit board 3 is mounted, the lower cover 12 is detached, the rigid connecting piece 5 is inserted into the connecting hole 13 of the frame 11, the upper end of the rigid connecting piece 5 is electrically connected with the coil 4 through welding, then the hard circuit board 3 is sleeved in the positioning column 23 of the upper cover 10, the lower end of the rigid connecting piece 5 penetrates through the inserting hole 6 of the hard circuit board 3, then the rigid connecting piece 5 and the hard circuit board 3 are electrically connected through welding, finally the lower cover 12 is buckled and butted on the upper cover 10, and the clamping connection between the upper cover 10 and the lower cover 12 is completed through the step on the upper cover 10.
Example 2
As shown in fig. 1, one embodiment of an active implantable medical device comprises: a coil carrier assembly, a hard wiring board 3, a coil 4, a rigid connection 5 and a battery 21. Wherein the coil carrier assembly is adapted to house the hard wiring board 3, coil 4, rigid connection 5 and battery 21.
The coil bracket assembly described in embodiment 1 is used, and has two detachable layers, wherein a first layer has a first accommodating groove 1 for accommodating a hard wiring board 3 therein, and a second layer has a second accommodating groove 2 for accommodating a coil 4 therein. Specifically, as shown in fig. 9, the coil bracket assembly includes: an upper cover 10, a frame 11 and a lower cover 12. The upper cover 10 is provided with a groove for accommodating the frame 11 and is detachably and fixedly connected with the outer wall of the frame 11; the frame 11 is fixedly connected between the upper cover 10 and the lower cover 12; the lower cover 12 is buckled and butted with the upper cover 10, and is fixedly connected with the frame 11 through a clamping connection, and the lower cover 12 comprises: the outer sleeve 15 is buckled and butted with the upper cover 10, and the inner lining 16 is detachably and fixedly connected in the outer sleeve 15 and is used for being clamped with the frame 11.A buckle 17 extending towards the lower cover 12 is arranged on the first accommodating groove 1 side of the frame 11, and a first clamping hole 18 for being matched with the buckle 17 in a clamping way is formed in the lining 16 of the lower cover 12; the edge of the hard circuit board 3 is provided with a second clamping hole 19 which is used for being matched with the first clamping hole 18 to enable the clamping buckle 17 of the frame 11 to be clamped into the first clamping hole 18, and the first clamping hole 18 and the second clamping hole 19 form a clamping groove structure.
As shown in fig. 7 and8, the frame 11 is provided with a positioning structure of the rigid connection member 5 on a side of the connection hole 13 near the first accommodation groove 1, the positioning structure fixes the direction of the rigid connection member 5 through clearance fit, and includes two positioning blocks 14, the two positioning blocks 14 are respectively in a quarter cylindrical structure and are separated in two adjacent quadrants of the periphery of the connection hole 13, and a clearance for accommodating the rigid connection member 5 is provided between the two positioning blocks 14
As shown in fig. 2, the coil bracket assembly is in a flat semicircular structure after being buckled, and round corners are arranged at each edge so as to be implanted into a body.
The hard circuit board 3 is fixed in the first accommodating groove 1 of the coil bracket assembly, the battery 21 is connected to the hard circuit board 3, and the battery 21 passes through the battery accommodating hole 20 of the frame 11 of the coil bracket assembly. The hard circuit board 3 has an insertion hole 6 for inserting the rigid connection member 5.
As shown in fig. 3 and 4, the coil 4 is fixed in the second receiving groove 2 of the coil bracket assembly, and the coil 4 includes a first coil and a second coil, which are separated by a partition 22 in the second receiving groove 2.
The rigid connection member 5 is fixed between the first layer and the second layer of the coil bracket assembly, and both ends are electrically connected with the coil 4 and the hard circuit board 3, respectively.
As shown in fig. 6, the rigid connection 5 includes: a first connection section 7, a bending section 8 and a second connection section 9, wherein the first connection section 7 is positioned at one end, is a straight section, is fixed through the insertion hole 6 of the hard circuit board 3 inserted into the first layer of the coil bracket assembly, and is electrically connected with the hard circuit board 3; the second connecting section 9 is located at the other end opposite to the first connecting section 7, is a straight section, is fixed by being inserted into the coil bracket assembly, and extends into a second layer of the coil bracket assembly through the coil bracket assembly for being electrically connected with the coil 4; the bending section 8 is located between the first connecting section 7 and the second connecting section 9, and is of a bending structure.
Example 3
The present embodiment provides a rigid connector for an active implantable medical device for electrically connecting a hard wiring board and a coil in the active implantable medical device, as shown in fig. 10 and 11, comprising: a first connection section 7 and a second connection section 9.
The first connection section 7 is located at the lower end, is a straight section, is fixed by an insertion hole 6 of the hard circuit board 3 inserted into the active implanted medical device, and is electrically connected with the hard circuit board 3.
The second connection section 9 is located at the other end with respect to the first connection section 7: the upper end, being a straight section, as shown in fig. 12 and 13, the second connection section 9 is fixed by a coil bracket assembly inserted into the active implant medical device and extends through the coil bracket assembly into the second layer of the coil bracket assembly for electrical connection with the coil 4 accommodated in the second layer; the two ends are straight sections, can be conveniently and respectively electrically connected with the hard circuit board and the coil, thereby avoiding the defect that flexible connecting pieces are required to be adopted for electrically connecting the hard circuit board and the coil in the past, ensuring that the hard circuit board and the coil after connection can be conveniently disassembled and assembled for a plurality of times, and being difficult to cause the damage of the whole device
The rigid connecting piece is provided with a positioning flange between the first connecting section 7 and the second connecting section 9, the axial direction of the rigid connecting piece can be accurately positioned through the end part of the positioning flange, and the rigid connecting piece can be accurately positioned in the radial direction through the clearance fit between the outer diameter of the positioning flange and the hole. The specific positioning flange comprises: a first positioning flange 24 and a second positioning flange 25; the first positioning flange 24 is located between the first connecting section 7 and the second connecting section 9, has an outer diameter larger than the connecting hole 13 of the coil bracket assembly, and has an end portion for being matched with the connecting hole 13 of the coil bracket assembly, the end portion is a plane, and an end portion for axial positioning and an outer diameter for radial positioning of the positioning flange are respectively arranged on two structural members, so that when one of the structural members is processed, only one size limitation can be considered, and the processing and the production of the rigid connecting member are facilitated. In addition, as an alternative embodiment, the end portion may also be a bevel or an arc.
The second positioning flange 25 is located between the first connecting section 7 and the second connecting section 9 and is close to the side of the first positioning flange 24 facing the second connecting section 9, the outer diameter of the second positioning flange 25 is in clearance fit with the connecting hole 13 of the coil bracket assembly, and the radial movement of the rigid connecting piece is limited through clearance fit.
The rigid connector, as shown in fig. 12 and 13, has a structure for connecting the rigid connector to an active implanted medical device, comprising: the positioning structure and the through hole column 26 are matched together through the two structures to connect the rigid connecting pieces, so that the accuracy of the connection positions of the rigid connecting pieces can be ensured.
The positioning structure is arranged in a through hole column 26 on the connecting hole 13 of the coil bracket assembly, and the rigid connecting piece 5 is fixed by clearance fit between the inner diameter of the through hole column 26 and the outer diameter of the rigid connecting piece 5.
The through hole post 26 is concentrically sleeved on the side of the connecting hole 13 facing the hard circuit board 3, and is used for penetrating through the second connecting section 9 of the rigid connecting piece 5, and is provided with an engaging end for being engaged with the end portion of the positioning flange, which is used for being engaged with the connecting hole 13 of the coil bracket assembly.
Example 4
The present embodiment provides a rigid connector for a second active implantable medical device for electrically connecting a hard wiring board and a coil in the active implantable medical device, as shown in fig. 14 and 15, comprising: the first connection section 7 and the second connection section 9, the structure and the position of the first connection section 7 and the second connection section 9 are the same as those of embodiment 3, except that: a positioning flange between said first connection section 7 and said second connection section 9.
The locating flange comprises: a first positioning flange 24 and a second positioning flange 25; the first positioning flange 24 is located between the first connecting section 7 and the second connecting section 9, has an outer diameter larger than the connecting hole 13 of the coil bracket assembly, and has an end surface for contact-fitting with an end of the connecting hole 13; the second positioning flange 25 is located between the first connecting section 7 and the second connecting section 9 and is close to the side of the first positioning flange 24 facing the first connecting section 7, and the outer diameter of the second positioning flange 25 is in clearance fit with the insertion hole 6 of the hard circuit board 3.
The rigid connector, as shown in fig. 16 and 17, has a structure for connecting the rigid connector to an active implanted medical device, comprising: positioning structure and via post 26.
The positioning structure is arranged on the insertion hole 6 of the hard circuit board 3, and is in clearance fit with the outer diameter of the rigid connecting piece 5 through the size of the aperture to fix the rigid connecting piece 5;
The through hole post 26 is concentrically sleeved on the side of the connecting hole 13 facing the hard circuit board 3, and is used for penetrating through the second connecting section 9 of the rigid connecting piece 5, and is provided with an engaging end for engaging with the end face of the positioning flange, which is used for engaging with the connecting hole 13 of the coil bracket assembly.
Example 5
The present embodiment provides a rigid connector for an active implantable medical device for electrically connecting a hard wiring board and a coil in the active implantable medical device, as shown in fig. 6, comprising: the first connection section 7 and the second connection section 9 are identical in structure and position to those of embodiment 3 and embodiment 4 except that: the bending section 8 positioned between the first connecting section 7 and the second connecting section 9 is a bending section at the middle section of the rigid connecting piece, so that the welding spot stress at two ends can be buffered, and the stability of electric connection is improved.
The bending section 8 is located between the first connecting section 7 and the second connecting section 9, is of a bending structure, and is particularly of a semi-annular structure, the bending section is of a semi-annular shape, can be uniformly stressed when stress is buffered, and the axial and radial positioning of the rigid connecting piece can be further performed on the outer wall of the semi-annular shape. In addition, as an alternative embodiment, the bending section 8 may have an arc structure other than semi-annular.
The rigid connection member, as shown in fig. 7 and 8, has a connection structure of the rigid connection member of the active implanted medical device, and includes: the positioning structure, the through hole column 26 and the positioning block 14 are matched together to connect the rigid connecting piece, so that the accuracy of the connection position and the accuracy of the direction of the rigid connecting piece can be ensured
The positioning structure can be arranged on the connecting hole 13 of the coil bracket assembly or the insertion hole 6 of the hard circuit board 3, and the rigid connecting piece 5 is fixed by clearance fit between the size of the aperture and the outer diameter of the rigid connecting piece 5. In this embodiment, the positioning structure is disposed in the through hole pillar 26, and the inner diameter of the through hole pillar 26 fixes the rigid connection member 5 through clearance fit.
The through hole post 26 is concentrically sleeved on one side of the connecting hole 13 facing the hard circuit board 3, and is used for penetrating through the second connecting section 9 of the rigid connecting piece 5, and is provided with a matching end for matching with the outer wall of the bending section of the rigid connecting piece.
The two positioning blocks 14 are of a quarter-cylindrical structure and are respectively arranged in two adjacent quadrants at the periphery of the connecting hole 13, a gap for accommodating the rigid connecting piece 5 is arranged between the two positioning blocks 14, and the rigid connecting piece is limited in rotation through the gap between the two positioning blocks, so that the random rotation of the rigid connecting piece is limited, and the unification of the directions of the rigid connecting piece is ensured.
Example 6
The present embodiment provides a method of assembling an active implanted medical device as described in example 2, comprising the steps of:
fixing the hard circuit board 3, which completes the test, in the first receiving groove 1 of the first layer of the coil bracket assembly;
inserting the rigid connection member 5 into the insertion hole 6 of the coil bracket assembly, so that two ends of the rigid connection member 5 are respectively inserted into the first layer and the second layer of the coil bracket assembly;
Connecting the coil 4 in the second layer of the coil bracket assembly with one end of the rigid connecting piece 5 by welding;
The other end of the rigid connection 5 is connected to the hard wiring board 3 in the first layer of the coil carrier assembly by soldering.
According to the assembly method, before the hard circuit board is electrically connected with the coil, the hard circuit board is tested firstly, so that the influence of test work on the coil or the rigid connecting piece is avoided, and unqualified hard circuit boards are removed conveniently; the rigid connecting piece is fixed through being inserted into the insertion hole of the coil bracket assembly, and then the two ends of the rigid connecting piece are respectively and electrically connected with the hard circuit board and the coil, so that the defect that the flexible connecting piece is required to be used for electric connection is avoided.
Example 7
This embodiment provides an elastic connector for an active implant medical device, which is made of an elastically deformable material, and as shown in fig. 18, the elastic connector 27 is positioned and connected with two connecting holes 13 arranged in parallel on the frame 11.
The elastic connecting piece 27 has an elastic deformation section above, and the elastic deformation section has an arc structure formed by bending, and the arc structure is used for connecting with the coil.
After forming the arc structure, the elastic deformation section is bent to form a clamping structure, and the clamping structure is used for extending into the lower portion of the connecting hole 13 to be clamped on the bottom surface of the frame 11.
The elastic connecting piece 27 has a first connecting section which is stretched downwards and is of a vertical structure below and is used for being inserted into a hard circuit board for connection.
As shown in fig. 19, the elastic connecting piece is first elastically deformed to make two ends respectively pass through the corresponding hole positions from the upper side of the connecting hole 13 downward, and after the two ends of the elastic connecting piece pass through the connecting hole, the elastic connecting piece is elastically restored, wherein the shorter end of the elastic connecting piece extending downward from the frame bends under the frame, so that the elastic connecting piece is clamped and fixed on the connecting hole.
The connection structure of the elastic connection member 27 described in the present embodiment is that two connection holes 13 are provided in parallel on the frame 11.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
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| CN201910799573.8A CN110441673B (en) | 2019-08-27 | 2019-08-27 | Active implantable medical device wireless charging and communication coil fixed connection assembly |
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| CN201910799573.8A CN110441673B (en) | 2019-08-27 | 2019-08-27 | Active implantable medical device wireless charging and communication coil fixed connection assembly |
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| CN110441673B true CN110441673B (en) | 2024-11-19 |
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| CN207316862U (en) * | 2017-07-21 | 2018-05-04 | 浙江风火轮塑胶有限公司 | A kind of light-emitting wheel coil block |
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| CN108290045A (en) * | 2015-11-29 | 2018-07-17 | 波士顿科学神经调制公司 | The deep brain stimulator of skull installation |
| CN107612074A (en) * | 2017-09-27 | 2018-01-19 | 北京品驰医疗设备有限公司 | Chargeable implanted equipment and its supply unit |
| CN210742444U (en) * | 2019-08-27 | 2020-06-12 | 清华大学 | Active implantable medical device wireless charging and communication coil fixed connection assembly |
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