CN107492407B

CN107492407B - Connecting catheter and multifunctional catheter assembly

Info

Publication number: CN107492407B
Application number: CN201710931036.5A
Authority: CN
Inventors: 李继前; 胡光耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-09
Filing date: 2017-10-09
Publication date: 2024-04-02
Anticipated expiration: 2037-10-09
Also published as: CN107492407A

Abstract

The invention relates to a connecting catheter and a multifunctional catheter assembly comprising the same. The connecting conduit comprises a conduit and a connector, wherein the conduit is provided with a fluid channel, and a wire is penetrated in the wall of the conduit; the connector comprises a fixing frame, a conductive column and a protective layer, wherein a hollow plug hole is arranged in the fixing frame and is communicated with a fluid channel of the catheter; the conductive column is installed in the conductive column installation position of the fixing frame, one end of the conductive column is connected with the lead, the other end of the conductive column is exposed out of the end part of the joint end, the protective layer at least covers the butt joint area of the guide pipe and the fixing frame and the section where the lead and the conductive column are connected, and the protective layer is connected with the fixing frame and the guide pipe. When the connecting catheter is used for connecting two mechanisms in the instrument system, the phenomenon of disordered distribution of the connecting honeycomb duct, the circuit and the like in the instrument system can be effectively improved, the internal wires can be protected from being damaged by external force, and the assembly and use efficiency can be improved.

Description

Connecting catheter and multifunctional catheter assembly

Technical Field

The invention relates to the field of connecting pieces, in particular to a connecting catheter and a multifunctional catheter assembly.

Background

In daily life production, a plurality of devices such as medical oxygen therapy devices, vacuum massage instruments and the like often need to be connected with a circuit and a catheter for transporting fluid simultaneously in the use process so as to realize the effective operation of the whole instrument system. However, the conventional circuit and the conduit have single functions, which results in messy distribution of the connecting conduit, the circuit and the like in the whole instrument system, and affects the assembly and the use efficiency.

Disclosure of Invention

Accordingly, it is necessary to provide a conductive and conductive integrated connecting conduit and a multifunctional conduit assembly, so as to improve the disorder distribution of connecting conduits, electrical connection lines and the like in an instrument system, protect internal wires from being damaged by external force, and improve the assembly and use efficiency.

A connecting catheter, comprising:

the catheter is provided with a hollow fluid channel, a wire is arranged in the pipe wall of the catheter in a penetrating way, and the wire extends along the pipe body;

the connector comprises a fixing frame, a conductive column and a protective layer;

one end of the fixing frame is abutted to the end part of the catheter, the other end of the fixing frame is a joint end used for being matched with the connecting seat, the fixing frame is provided with a hollow plug hole, the plug hole is communicated with the fluid channel, and a conductive column mounting position is arranged on the fixing frame;

the conductive column is arranged in the conductive column installation position, one end of the conductive column is connected with the lead, and the other end of the conductive column is exposed out of the joint end of the fixing frame;

the protective layer at least covers the butt joint area of the catheter and the fixing frame and the section where the lead and the conductive column are connected, and the fixing frame is connected with the catheter through the protective layer.

In one embodiment, the connector further comprises a gasket;

the gasket is hollow, the gasket is arranged in the plug hole of the fixing frame, one end of the gasket is in butt joint with the end part of the catheter, and the other end of the gasket is exposed in the plug hole; the guide wire at the end of the catheter is located between the fixing frame and the protective layer or in the protective layer.

In one embodiment, the gasket and the protective layer cooperate to form a limit groove, and one end of the fixing frame is located in the limit groove.

In one embodiment, the protective layer extends from the end of the catheter to the end of the connector end of the holder and wraps around the conductive post protruding from the connector end, and the electrical contact of the conductive post is exposed to the protective layer.

In one embodiment, the fixing frame is in a hollow column structure, and the conductive column is arranged on the outer wall of the fixing frame and positioned at the joint end.

In one embodiment, a buffer groove is formed in the outer wall of the fixing frame and corresponds to the lower portion of the conductive column installation position.

In one embodiment, the plurality of wires on the catheter are arranged in parallel; the conductive posts are a plurality of, and the conductive posts are arranged on the fixing frame in parallel.

In one embodiment, the plurality of wires are divided into two groups, and the two groups of wires are oppositely arranged on the catheter;

the plurality of conductive columns are divided into one group or two groups, one group of conductive columns is arranged on the same side of the fixing frame, and the two groups of conductive columns are oppositely arranged on the fixing frame.

In one embodiment, the protective layer is provided with anti-slip lines and/or positioning grooves.

A multi-functional catheter assembly comprising a connector hub and a connector catheter according to any of the embodiments described above;

the connecting seat is provided with a power receiving groove, an air column is arranged in the power receiving groove, and a power receiving piece is arranged in the power receiving groove around the air column;

the connecting conduit can be inserted into the ventilation column through the insertion hole and enables the conductive column to be connected with the electric connector.

Compared with the prior art, the invention has the following beneficial effects:

the connecting conduit comprises a conduit and a connector, wherein the conduit is provided with a fluid channel, and a wire is penetrated in the wall of the conduit; the connector comprises a fixing frame, a conductive column and a protective layer, one end of the fixing frame is abutted against the end part of the catheter, the other end of the fixing frame is a connector end for matching with the connecting seat, a hollow plug hole is arranged in the fixing frame, and the plug hole is communicated with a fluid channel of the catheter for transferring gas or liquid; the conductive column is arranged in the conductive column installation position of the fixing frame, one end of the conductive column is connected with the lead, the other end of the conductive column is exposed out of the end part of the connector end and is used for being connected with a power receiving part in the connecting seat, and the protective layer is used for connecting the guide pipe with the fixing frame and protecting the lead from being damaged. When the connecting catheter is used for connecting two mechanisms in the instrument system, the phenomenon of disordered distribution of the connecting honeycomb duct, the circuit and the like in the instrument system can be effectively improved, the internal wires can be protected from being damaged by external force, and the assembly and use efficiency can be improved.

The multifunctional conduit assembly comprising the connecting conduit is an assembly with integrated conductive flow guiding function, not only can transfer gas or liquid, but also has conductive function, can effectively improve the phenomenon of disordered distribution of connecting conduits, circuits and the like in an instrument system, can protect an internal lead from being damaged by external force, and can improve the assembly and use efficiency; the flow of the fluid pipeline can be ensured to meet the requirement in the working state. Meanwhile, the connecting catheter and the multifunctional catheter assembly can also prevent the situation that an instrument system cannot operate when one of the catheter and the electric connection line is lost.

Drawings

FIG. 1 is a schematic diagram of the main structure of a connecting catheter according to an embodiment;

FIG. 2 is a schematic view in partial cross-section of the connecting conduit of FIG. 1;

FIG. 3 is a schematic view of the connecting conduit of FIG. 1 from another perspective;

FIG. 4 is a schematic cross-sectional structural view of the connecting conduit of FIG. 1 from another perspective;

FIG. 5 is a schematic view of a part of a fixing frame in the connecting duct in FIG. 1;

FIG. 6 is a schematic view of a connector block mated with the connector tube of FIG. 1;

FIG. 7 is a schematic view of the main structure of a connecting catheter according to another embodiment;

fig. 8 is a schematic structural view of another embodiment of a connection socket matched with the connection catheter of fig. 7.

Detailed Description

In order to facilitate an understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. This may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "docked" to another element, it can be directly docked to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the particular embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a connecting conduit 30 according to an embodiment includes a conduit 31 and a connector 32.

In this embodiment, the catheter 31 includes a catheter body and a conductive wire 331, and is a conductive and diversion multifunctional catheter. The tube body is in a hollow cylinder structure, and the hollow part is a fluid channel 311 for air flow or liquid circulation. The conducting wire 331 is disposed in the pipe wall 310 of the pipe body in a penetrating manner and extends along the pipe body, and two ends of the conducting wire 331 are respectively exposed at two end portions of the pipe body for directly or indirectly connecting with an external circuit of the electric mechanism.

In this embodiment, preferably, the tube body is a soft rubber tube, has good insulation, and can be conveniently bent for use or placed, and is convenient for use and storage. Further, the inner diameter of the pipe body is preferably 6+/-1 mm, so that the gas or liquid flow requirement can be met. The external diameter of the pipe body is preferably 11+/-2 mm, the thickness requirement of the buried conductor 331 in the pipe wall 310 can be met, meanwhile, the conductor 331 has good conductive stability and is not easy to damage, the whole wall thickness is minimized to further reduce the volume, raw materials are saved, the production cost is reduced, and the appearance is concise.

Further, in the present embodiment, the number of the wires 331 is eight, the number of the wires 331 is equally divided into two groups, each group is four, each wire 331 is independently arranged in the pipe wall 310 in a penetrating manner, the eight wires 331 are arranged in parallel at intervals in the pipe wall 310 of the pipe body, and the two groups of wires 331 are respectively arranged at two sides of the pipe body in an opposite manner, so that each group of wires 331 is respectively connected with an external circuit of a different electricity utilization mechanism.

In other embodiments, the wires 331 may be provided in one, two, three or more as desired. When the number of the conductive wires 331 is plural, the plural conductive wires 331 are disposed in parallel at intervals in the wall 310 of the pipe body. The plurality of wires 331 can be divided into a plurality of groups according to the requirement, and at least two groups of wires 331 can be oppositely arranged at two sides of the tube body, so that each group of wires 331 is connected with external circuits of different power utilization mechanisms respectively.

In one embodiment, referring to fig. 5 and 6, the connector 32 includes a fixing frame 321 and a conductive post 332.

The fixing frame 321 is preferably a hollow cylinder structure, one end of the fixing frame 321 is in butt joint with the end of the pipe body, and the other end of the fixing frame 321 is a joint end for matching the connecting seat 40. The hollow part of the fixing frame 321 is a plug hole 3210, the plug hole 3210 is used for being connected with the ventilation column 42 on the connecting seat 40, and the plug hole 3210 is communicated with the fluid channel 311 of the pipe body. The outer wall of the fixing frame 321 is provided with a conductive post mounting hole 3212 around the plug hole 3210 at the joint end for mounting and fixing the conductive post 332, so as to realize the contact stability of the electrical contact of the conductive post 332 and the external circuit such as the electrical connector 45, and ensure the stability of the energizing effect. Preferably, the inner diameter of the fixing frame 321 is 12±1mm, and the outer diameter may be 20±1mm. In other embodiments, the size of the mount 321 may also be adjusted as desired.

It will be appreciated that in other embodiments, the conductive post mounting hole 3212 may be replaced by a conductive post mounting location such as a conductive post clip disposed on an outer wall of the fixing frame 321, and the conductive post mounting location may extend around the entire outer wall of the fixing frame 321, or may be located between a middle portion of the fixing frame 321 and a terminal end.

Preferably, the fixing frame 321 can be made of hard plastic material, has good insulation property, can ensure that the plugging hole 3210 has plugging stability and is not easy to deform, and can ensure the installation stability of the conductive column 332 and improve the mechanical strength of the whole structure.

Preferably, the number of the conductive post mounting holes 3212 on the fixing frame 321 is ten, the ten conductive post mounting holes 3212 are sequentially arranged around the periphery of the fixing frame 321 at intervals, and the number of the conductive post mounting holes 3212 is preferably not less than the number of the conductive posts 332, so as to meet the requirements of the number of the conductive post mounting holes 3212 and the arrangement positions. In other embodiments, the number and the pore size of the conductive post mounting holes 3212 may be set according to actual needs, for example, twelve, eight, six, four, three, two or one.

Further, the fixing frame 321 is provided with a positioning slot 324, and the positioning slot 324 is preferably located between two adjacent conductive post mounting holes 3212, so that effective positioning during plugging is facilitated, and plugging efficiency is improved.

Further, a buffer slot 3213 is provided on the outer wall of the fixing frame 321 corresponding to the lower portion of the conductive post mounting hole 3212, so as to increase the contact area with the encapsulation layer 323, improve the effectiveness and connection strength of the encapsulation layer 323 for encapsulating the conductive wire 311 and the conductive post 332, and further prevent the conductive wire 311 from being damaged.

Referring to fig. 2, the conductive post 332 is mounted in the conductive post mounting hole 3212, and one end of the conductive post 332 is connected to the conductive wire 331 in the pipe wall 310, and the other end of the conductive post 332 protrudes from the joint end of the fixing frame 321 for connection with an external circuit of the electric mechanism. Preferably, the conductive post 332 is a conductive copper post, and the conductive copper post is welded with the end of the conductive wire 311 to improve the connection stability, thereby improving the power-on stability.

Eight conductive posts 332, eight conductive posts 332 are arranged in parallel on the fixing frame 321, wherein four conductive posts 332 are arranged in a group, and two groups of conductive posts 332 are arranged oppositely on the fixing frame 321. Referring to fig. 8, in other embodiments, the number of the conductive posts 332 is four, and the four conductive posts 332 may be sequentially disposed adjacent to the same side of the fixing frame 321. The installation positions of the conductive posts 332 on the fixing frame 321 may be two or three, or may be adjusted as needed.

In one embodiment, the connector 32 further includes a protective layer for further protecting the conductive lines 311 and the conductive posts 332 from damage. The protective layer is preferably an encapsulation layer 323, which has a hardness less than that of the fixing frame 321, and improves the touch feeling.

Preferably, the encapsulation layer 323 extends from the end of the tube body of the conduit 31 to the end of the connector end of the fixing frame 321 and wraps the conductive post 332 protruding from the connector end, so that only the electrical contact of the conductive post 332 is exposed from the end face of the encapsulation layer 323, thereby improving the energizing effect, improving the plugging feel, and further protecting the conductive post 332 from being damaged easily. In other embodiments, the encapsulating layer 323 covers at least the area where the tube body and the fixing frame 321 are abutted and the area where the conductive wire 311 and the conductive post 332 are connected, and connects the fixing frame 321 and the tube body through the encapsulating layer 323. The arrangement of the glue coating layer can realize that the protective wire 311 is not easy to be damaged, and can simultaneously improve the connection strength of the connector 32 and the catheter 31.

In addition, when the number of holes of the required conductive post mounting holes 3212 is small, the fixing frame 321 may be a semi-cylindrical structure or a ring-shaped plate structure with a smaller size, and the fixing frame 321 may be directly embedded in the encapsulation layer 323, so that only the conductive post 332 is exposed, and in this case, the encapsulation layer 323 may form the plugging holes 3210 to be connected to an external air column.

Further, the wrapping layer 323 is provided with anti-slip lines to improve the hand feeling of plugging and unplugging. In addition, the glue wrapping layer 323 correspondingly wraps the outer wall of the positioning groove 324 on the fixing frame 321 and cooperatively retains the positioning groove 324.

In one embodiment, the connector 32 further includes a hollow washer 322. The gasket 322 may be made of plastic material having a hardness greater than that of the encapsulation layer 323, so as to improve the stability of the whole structure during plugging, further prevent deformation, and enable the overall product to have stable and durable performance. The gasket 322 is hollow, the gasket 322 is arranged in the plug hole 3210 of the fixing frame 321, one end of the gasket 322 is in butt joint with the pipe body, and the other end is exposed in the plug hole 3210. The gasket 322 presses the conductive wire 311 at the end of the pipe body, and the section of the conductive wire 311 connected to the conductive post 332 is located in the region between the fixing frame 321 and the encapsulation 323 or in the encapsulation 323 located outside the gasket 322, so as to prevent the conductive wire 311 exposed at the end of the pipe body from being exposed in the insertion hole 3212 or the fluid passage 311.

Further, the gasket 322 is further connected to the inner wall of the encapsulating layer 323 and cooperates with the encapsulating layer 323 to form a limiting groove, and the fixing frame 321 is inserted into the limiting groove, so as to improve the stability of the fixing frame 321.

The connecting conduit 30 of the present embodiment includes a conduit 31 and a connector 32, and the connector 32 includes a fixing frame 321, a conductive post 332, a gasket 322, and an encapsulation 323. In other embodiments, the connecting conduit 30 may be composed of only the fixing frame 321, the conductive post 332 and the conduit 31, where the connection section of the conductive post 332 and the conductive wire 331 can be hidden in the conductive post mounting hole 3212 of the fixing frame 321. The connecting conduit 30 may further comprise a fixing frame 321, a conductive post 332, an encapsulation layer 323, and a conduit 31, where a connection section between the conductive post 332 and the conductive wire 331 can be hidden in the encapsulation layer 323. When the connecting catheter 30 is used for connecting two mechanisms in an instrument system, the phenomenon of disordered distribution of a connecting honeycomb duct, a circuit and the like in the instrument system can be effectively improved, an internal wire can be protected from being damaged by external force, and the assembly and use efficiency can be improved.

Referring further to fig. 6, an embodiment of a multi-functional catheter assembly includes a connector hub 40 and a connector catheter 30 according to any of the embodiments described above. The connection base 40 has a power receiving groove 41, an air vent column 42 is provided in the power receiving groove 41, the air vent column has an air vent 43, and a power receiving member 45 is provided around the air vent column 42 in the power receiving groove. The connecting conduit 30 can be plugged onto the vent post 42 through the plug-in hole 3210 and connects the conductive post 332 to the electrical connector 45. The connection mount 40 may be provided to a mechanism that uses electricity and at the same time requires fluid transfer.

Further, the region where the vent post 42 is connected to the bottom of the power receiving groove 41 is provided with a reinforcing flange 44 so that the plugging hole 3210 and the vent post 42 have good sealing property.

Preferably, the electrical connectors 45 are conductive pins, and the number and positions of the conductive pins correspond to those of the conductive posts 332 on the connecting tube 30. For example, the number of the conductive pins is eight, the eight conductive pins are divided into two groups, and the two groups of conductive pins are oppositely arranged in the power receiving slot 41 so as to correspond to the connecting conduit 30 with eight conductive posts 332. Referring to fig. 7, in other embodiments, the number of conductive pins may be four, and the four conductive pins are grouped together and disposed on the same side of the electrical connection slot 41 to correspond to the connection conduit having four conductive posts 332.

Preferably, the inner wall of the power receiving slot 41 is provided with a positioning raised line 46, and the positioning raised line 46 is matched with the positioning slot 324 of the connecting conduit, so that the positioning is accurate, and the plugging efficiency can be improved.

The multifunctional catheter assembly comprising the connecting catheter 30 is an assembly with integrated conductive and diversion functions, can transfer gas or liquid, has conductive functions, can effectively improve the phenomenon of disordered distribution of connecting catheters, lines and the like in an instrument system, can protect the inner wires 331 from being damaged by external force, and can improve the assembly and use efficiency; the flow rate of the fluid pipeline 311 can be ensured to meet the requirement in the working state. At the same time, the connecting catheter 30 and the multifunctional catheter assembly can also prevent the occurrence of an instrument system from being disabled when one of the catheter 31 and the electrical wiring is lost.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A connecting catheter, comprising:

the catheter comprises a catheter body and a wire, wherein the catheter is provided with a hollow fluid channel, the wire penetrates through the wall of the catheter, and the wire extends along the catheter body; the pipe body is of a hollow cylinder structure;

the protective layer at least covers the butt joint area of the catheter and the fixing frame and the section where the lead wire and the conductive column are connected, and the fixing frame and the catheter are connected through the protective layer; the protective layer is an encapsulation layer, the hardness of the encapsulation layer is smaller than that of the fixing frame, the encapsulation layer extends from the end part of the pipe body to the end part of the joint end of the fixing frame and wraps the conductive column protruding out of the joint end, and only the electric contact of the conductive column is exposed out of the end face of the encapsulation layer;

the connector also comprises a gasket;

the gasket is hollow, the gasket is arranged in the plug hole of the fixing frame, one end of the gasket is in butt joint with the end part of the catheter, and the other end of the gasket is exposed in the plug hole; the lead wire at the end of the catheter is positioned between the fixing frame and the protective layer or in the protective layer;

the gasket is matched with the protective layer to form a limiting groove, and one end of the fixing frame is positioned in the limiting groove.

2. The connecting conduit according to claim 1, wherein the protective layer extends from an end of the conduit to an end of a connector end of the mount and wraps around the conductive post protruding from the connector end, and wherein the conductive post has electrical contacts exposed to the protective layer.

3. The connecting catheter of claim 1, wherein the mount is a hollow cylinder structure, and the conductive post mounting location is located on an outer wall of the mount and at the connector end.

4. A connecting catheter according to claim 3, wherein a buffer groove is provided on the outer wall of the holder at a lower portion corresponding to the conductive post mounting position.

5. The connecting catheter of claim 1, wherein a plurality of said wires on said catheter are disposed in parallel; the conductive posts are a plurality of, and the conductive posts are arranged on the fixing frame in parallel.

6. The connecting catheter of claim 5, wherein a plurality of said wires are grouped in two sets, two sets of said wires being disposed opposite one another on said catheter;

7. The connecting catheter according to claim 1, wherein the protective layer is provided with anti-slip lines and/or positioning grooves.

8. A multi-functional catheter assembly comprising a connector hub and the connector catheter of any one of claims 1 to 7;