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CN1247168C - Insertion device - Google Patents

Insertion device Download PDF

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Publication number
CN1247168C
CN1247168C CN 01110454 CN01110454A CN1247168C CN 1247168 C CN1247168 C CN 1247168C CN 01110454 CN01110454 CN 01110454 CN 01110454 A CN01110454 A CN 01110454A CN 1247168 C CN1247168 C CN 1247168C
Authority
CN
China
Prior art keywords
sleeve pipe
pusher
insertion rod
utensil
accurate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 01110454
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Chinese (zh)
Other versions
CN1380047A (en
Inventor
戴维·麦迪逊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN HEJIE MEDICAL EQUIPMENT CO Ltd
Original Assignee
TIANJIN HEJIE MEDICAL EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN HEJIE MEDICAL EQUIPMENT CO Ltd filed Critical TIANJIN HEJIE MEDICAL EQUIPMENT CO Ltd
Priority to CN 01110454 priority Critical patent/CN1247168C/en
Publication of CN1380047A publication Critical patent/CN1380047A/en
Application granted granted Critical
Publication of CN1247168C publication Critical patent/CN1247168C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention relates to an accurate insertion device. For example, one IUD is inserted into a uterine wall according to a required distance. The present invention is provided with a first cannula (12), and an insertion rod (14) is arranged in the first cannula (12) and is assembled with an IUD. A component inclined to the cannula wall and a convex block (30) which is clamped with one opening (32) on the cannula wall to make the insertion rod (14) axially locked are arranged on a push device (28). After a button (34) is pressed to make the convex block (30) separated from the opening (32), the push device in the cannula can be axially displaced by manual operation until the push device is in contact with one stop component (26). The push device is displaced to drive the insertion rod (14) to project from the cannula (12), and the IUD assembled on the insertion rod (14) is implanted into the uterine wall according to the required distance. After the implantation is completed, the insertion rod (14) and the cannula are used as one integrated device to be drawn back together.

Description

Insert device
The present invention relates to a kind of insertion device, this device is accurately controlled the insertion distance of an elongated thing, then the remainder of this device is drawn back.When operating in the accurate body cavity of needs, on-the-spot this kind demand of medical treatment frequently runs into.For example, in the insertion process of an intra-uterine contraceptive device; This elongated thing can be an insertion rod that has the IUD line, also can be several IUD elements that are attached on this line.This kind device all has description in patent documentation EP-B-091747 and EP-B-0482022.
Use the practical experience of this kind insertion equipment to show, a kind of this equipment that has improved possesses some following features at least:
1, it can one-handed performance;
2, before this device arrives the exact position that will insert, any sharp-pointed end or some crested;
3, when a device was left in the body cavity a suitable position, the miscellaneous part of this insertion device can be drawn back and only can be applied minimum power to the device that stays;
4, all parts that need draw back should be drawn back together.
The object of the present invention is to provide a kind of insertion device that possesses above-mentioned 1 to 4 all or part of feature.
According to the present invention, a kind of insertion device is provided, comprising: first sleeve pipe that is installed in an insertion rod; One is positioned at the pusher of this telescopic end, it some to the casing wall deflection and have locking mechanism, collaborative this sleeve pipe of locking mechanism is to stop the axial displacement of pusher; End stop mechanism moving axially with the restriction pusher; One manual button, it can make locking mechanism unclamp to allow the manual axial displacement of pusher to be stopped until ending stop mechanism, makes insertion rod reach predefined insertion distance from sleeve pipe therefrom.
Present invention is described below in conjunction with drawings and Examples.
Fig. 1,2,3,4 and 5 is profiles of insertion device of the present invention, shows the four-stage of an insertion process.
Fig. 6 and 7 is that the hand operated end of Fig. 1 to 5 shown device is overlooked and upward view.
Fig. 8 A, 8B, 8C are respectively one and supply screening device to lay the sketch map of three parts of end.
Fig. 9 is the assembling sketch map of three parts shown in Fig. 8 A, 8B, the 8C.
Figure 10 is the sketch map of the three phases of an insertion process.
To the insertion device 10 that Figure 5 shows that a kind of intra-uterine contraceptive device (IUD), comprise that elongated first sleeve pipe 12 is to constitute the insertion end of this device as Fig. 1.In first sleeve pipe, be provided with an insertion rod 14.During use, a kind of IUD as patent EP-B-0191747 shown type can be installed in this sleeve pipe, is arranged at contiguous telescopic open end together with the knotted end that constitutes IUD line partly.This line joint is inserted into Uterus wall and is in suitable position to keep this contraception device.It is placed on it that the end of insertion rod is provided with the ring of a tiny tip 16, one contiguous these lines joints, and the size of this ring is not can be advisable from this bar landing.This toe-in and tip just are positioned within the sleeve pipe.As shown in the figure, the pulling of this IUD line is via sleeve pipe 12 and towards right-hand.
One distance piece 18 is housed on the insertion rod 14, and its effect is to make this insertion rod 14 place center in the sleeve pipe 12.Away from an end of most advanced and sophisticated 16, that is non-knotted end 20 is securely fixed on the top plug 22 on the insertion rod 14, and this top is filled in and is positioned at second sleeve pipe 24, and this second thicker sleeve pipe 24 links to each other with first sleeve pipe 12 and be coaxial; The end of second sleeve pipe 24 of contiguous first sleeve pipe 12 is convex shoulders 26, and it has the effect that only stops to top plug 22.Distances in the convex shoulder 26 and second sleeve pipe 24 between top plug 22 1 ends equal the distance that insertion rod 14 need be stretched out from first sleeve pipe 12 in insertion process.
Part is positioned at second sleeve pipe 24 and fills in 22 other ends on the top is pushers 28, and it extends near second sleeve pipe 24 and along sleeve pipe.This pusher 28 is provided with a rubber-like body, and its end at contiguous top plug 22 has a projection 30, and projection 30 can be locked a perforate 32 on the casing wall.The other end of pusher 28 stretches out beyond second sleeve pipe 24 and is provided with the button 34 of a global formation.The position of button more than 34 is handle 36.This pusher 28, projection 30, button 34 and handle 36 constitute by a kind of flexible plastic material, and can adopt the form of global formation as described.This end of this device will be called the hand operated end.
Projection 30 in the perforate 38 makes that pusher 28 can not axial displacement, when it is in this kind position, the insertion end of this device 10 (that is away from manually an end of first sleeve pipe 12 of end) is inserted into the uterus, its via cervix uteri till the end of sleeve pipe 12 touches Uterus wall.First sleeve pipe 12 has enough length, so that it is away from an end of cervix uteri during in abutting connection with Uterus wall, second sleeve pipe 24 can place beyond the body cavity.Choosing based on following consideration of the length of first sleeve pipe 12 and insertion rod 14: in the time of in projection 30 is in perforate 32, the end of insertion rod 14 should be positioned at sleeve pipe, and it just can not insert in the process of uterus in insertion end and play inhibition like this.
Though indicate among the figure, well imagine that when this inserted device and prepares to use, IUD placed within the sleeve pipe 12, the insertion end that is used for knotting that Uterus wall is implanted just is positioned within the telescopic end.Line extends along sleeve pipe, through distance piece 18, passes a fluting of top plug 22, and is clamped between the inwall of pusher 28 and sleeve pipe 24, in case toe-in landing on most advanced and sophisticated 16.
At first shown in Fig. 1 arrow A, with hand knob down 34, so that projection 30 breaks away from perforate 32.Button 34 and handle 36 move forward along direction shown in Fig. 2 arrow B then, so that pusher 28 moves (as shown in Figure 3) along second sleeve pipe 24.Pusher 28 promotes top plug 22 along sleeve pipe 24 displacements, and simultaneously, the insertion rod 14 that has a toe-in that is positioned at the IUD line begins to expose and enter Uterus wall (figure is sign) from sleeve pipe 12.
Position shown in Figure 4 is that pusher 28 will push up plug 22 and be pushed to and only stop part 26 position contacting.This moment, insertion rod 14 was stretched out from sleeve pipe 12, and its outreach D is accurately set in advance, and when inserting to be adapted at IUD, the IUD toe-in is placed in the Uterus wall by the distance with D.
Shown in Fig. 3 arrow C, this moment, button 34 was released.Continue forward, second perforate 38 that projection 30 enters casing wall at this moment, it is locked in anteposition with pusher 28.As shown in the figure, projection 30 is made into step shape, has only its less part to enter perforate 38, so can not reclamp this end of IUD line so that pusher 28 leaves sleeve pipe 24 inwalls.Shown in Fig. 5 arrow E, sleeve pipe 12,24 and insertion rod 14 are drawn back together, stay the IUD toe-in, in its implanted Uterus wall.It is stressed minimum to draw back in the process IUD line, and when sleeve pipe was drawn back, it just moved and extend to the outside and be left along cervix uteri along sleeve pipe 12 simply.Can adopt known mode that it is pruned subsequently.All parts shown in Fig. 1 to 5 are drawn back with being not always the case simultaneously.
Because it is enough pliable and tough to constitute the plastics of handle 36, button 34 and pusher 28, to satisfy its required little displacement, pressing button 34 can make projection 30 unclamp from perforate 32, loosens button 34 and can make projection 30 enter perforate 38; Yet these plastics have enough rigidity again, so that in implantation process, pusher can promote top plug 22 along sleeve pipe 24 displacements.
The vertical view that Fig. 6 manually holds for this device has shown first sleeve pipe 12, second sleeve pipe 14, button 34 and handle 36.Fig. 7 is the upward view of these same parts, has shown button 34 and pusher 28 parts.Button 34 is attached on the handle 36 by a U-shaped connector 40, and this connector is promoted the pliability and the pushing property of button 34, and it also provides enough elastic force so that the upper tube wall of pusher 28 deflection sleeve pipes 24 simultaneously.As shown in Figure 4 and Figure 5, handle 36 and button 34 all are in anteposition.
The bottom side of handle 36 has several fins 42 of definite shape to promote yarage.
The advantage of this device is that it can be at the whole process using one-handed performance that comprises positioning stage, insertion stage and the stage of drawing back.
This kind structure can be reused this insertion device.Pressing button 34 makes handle 36 and pusher 28 to draw back from sleeve pipe 24 and top plug 22, and then, insertion rod 14 can be drawn back from sleeve pipe 24.Thereafter, a new prepackage insertion rod 14 of one knotting IUD line can be inserted into sleeve pipe 12,24, simultaneously, pusher 28 and handle 36 are reentered in the sleeve pipe 24 in order to using subsequently.
Fig. 8,9 and 10 is depicted as second embodiment, is a kind of more complicated IUD insertion device of (it belongs to the disclosed type of patent EP-B-04082022) that is used for, this device have with first embodiment in same manual end shown in Fig. 1 to 7.
Shown a sleeve pipe respectively at Fig. 8 A, 8B and 8C, an insertion rod and an IUD.This first elongated sleeve pipe 62 has a round hole 64 at its end, the one part circular perforate 66 littler than the diameter of this perforate 64 arranged on a position of its circumference, this sleeve pipe 62 is thinner at this regional tube wall, tube wall along with sleeve pipe and perforate away from increasing gradually until reaching normal thickness, shown in dotted line 70, so can be for a taper fluting 68 is provided in first sleeve pipe.
In this embodiment, IUD comprises single line 72 and a keeper 74 (this keeper 74 has an external conical surface 76 and an internal cavities 78) of wanting implanted Uterus wall.Line 72 is tied a knot, and toe-in (indicate) is positioned on the tip of bullet 76 of little perforate.Be one to have the elongated elements 80 of center drilling on the line behind the keeper 74 72, line 72 passes its perforate.Usually, these elements 80 adopt copper material.As shown in the figure, on these element 80 ends all in bond online 72.
Another element of the present embodiment comprises an insertion rod 82, and it can be established in first sleeve pipe 62.This insertion rod has the passage 84 of an open-top, and most line 72 and all elements 80 all can be inserted in it.As shown in Figure 8, in the left end of insertion rod 82, first ennation 86 than this insertion rod of minor diameter is arranged, it also has the passage 88 of an open-top, but more tiny than passage 84, only goes into for the appearance of line 72; Beyond first ennation is second ennation 90, and it has the passage 92 of the open-top that only supplies appearance lambda line 72 equally.Passage 84 and 88 is interconnected.The end of the passage 84 of adjacent channel 88 is slotted inclined-planes 93.
Be illustrated in figure 9 as the assembly drawing of the present embodiment.IUD is positioned at the passage 84 of insertion rod 82 with its copper element 80, and simultaneously, second ennation 90 is positioned at the internal cavities 78 of holding device 74.Line 72 places in passage 92,80 and 84 via the fluting under the inclined-plane 93.
Physical dimension is to determine like this: the maximum gauge of keeper 74 can pass through round hole 64 just, and the bullet 76 of keeper 74 and line 72 just are positioned at the end of sleeve pipe 62.Its orientation is to determine like this: taper fluting 68 faces the open top of the passage 84,88,92 of insertion rod 82 and ennation 86,90 thereof.Figure 10 A is the sketch map of this kind setting.
For IUD being inserted Uterus wall 100, first sleeve pipe 62 is inserted cervix uteri touch Uterus wall 100 until its end.Manually the operation of end is with reference to the description as first embodiment, and it advances insertion rod 82 in sleeve pipe 62, release round holes 64 so that the bullet 76 of keeper 74 is extended body 86, and distance on request enters in the Uterus wall 100.More than shown in Figure 10 B.The main part of insertion rod 82 still all is positioned at sleeve pipe 62.
When sleeve pipe 62 and insertion rod 82 drawn back, because elongated elements 80 relies on the inclined-plane 93 that has fluting upwards to advance, they were hauled out passage 84.When sleeve pipe 62 moved right, the appearance of taper fluting 68 made these elements 80 can be thus lifted to beyond the open top of passage 84, shown in Figure 10 C; Therefore in the implanted Uterus wall 100 of bullet, this IUD keeps in position the time.When these copper elements 80 move ramp 93, line 72 beginning deflections, sleeve pipe 62 and insertion rod 82 are all drawn back then, and IUD stays in position, and line 72 stretches out via cervix uteri.
Second embodiment also can comprise the whole process using one-handed performance that inserts and draw back.The tip crested of bullet 74 in the position fixing process in uterus.When these copper elements 80 on the inclined-plane 93 and when taper fluting 68 slides, have only minimum power to be applied on the keeper 74.Sleeve pipe 62 and insertion rod 82,86,90 are all drawn back together.
In a setting for choosing (not indicating), insertion rod can be an aciculiform thing or other hollow objects; This device is applied to medical treatment or other occasions; These occasions are meant and an aciculiform thing need be inserted bio-tissue or other solid materials by accurate distance.The aciculiform thing can be made by metals such as for example rustless steel, copper, silver, aluminum or its alloy.Also can there be certain elastic plastics to make again by being fit to the intrauterine other materials of insertion such as existing certain rigidity.

Claims (9)

1, a kind of accurate insertion utensil, comprising: one is installed in first sleeve pipe of an insertion rod; One is positioned at the pusher of this telescopic end, it some have locking mechanism to casing wall deflection and this leg portion, collaborative this sleeve pipe of this locking mechanism is to stop the axial displacement of pusher; One ends stop mechanism is used to limit moving axially of pusher; One manual button; it can make locking mechanism unclamp to allow pusher axial displacement to be stopped until ending stop mechanism; make insertion rod reach predefined insertion distance therefrom from sleeve pipe; described insertion rod has an open-top passage; length along passage; this passage can be installed with several elements that links to each other with a conical head, the common intra-uterine contraceptive device that constitutes a need insertion of this conical head and these elements.
2, accurate insertion utensil as claimed in claim 1, wherein said locking mechanism are arranged on the projection on the leg portion of pusher, and this projection can engage with a telescopic perforate.
3, accurate insertion utensil as claimed in claim 1 or 2, wherein said first sleeve pipe links to each other with larger-diameter second sleeve pipe, the top plug that insertion rod and is positioned at second sleeve pipe links to each other, and pusher is adjusted to when it moves axially and engages with an end of filling in away from the top of insertion rod.
4, accurate insertion utensil as claimed in claim 3, wherein said end stop mechanism be on one second sleeve pipe, contiguous first telescopic, can with the convex shoulder away from an end in contact of the top plug of pusher.
5, accurate insertion utensil as claimed in claim 1 or 2, wherein said only stop mechanism is meant second perforate on the casing wall that can engage with the projection on the leg portion that is arranged on pusher.
6. accurate insertion utensil as claimed in claim 3, wherein said only stop mechanism is meant second perforate on the casing wall that can engage with the projection on the leg portion that is arranged on pusher.
7, accurate insertion utensil as claimed in claim 1, wherein said pusher and hand push button are to be made of the flexible plastic material one.
8, accurate insertion utensil as claimed in claim 1, the wherein said first telescopic perforate size just allows that conical head therefrom passes through.
9, accurate insertion utensil as claimed in claim 8, wherein said first sleeve pipe is provided with a groove shape ennation so that the element that links to each other with conical head can slide in the passage of insertion rod.
CN 01110454 2001-04-10 2001-04-10 Insertion device Expired - Lifetime CN1247168C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01110454 CN1247168C (en) 2001-04-10 2001-04-10 Insertion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01110454 CN1247168C (en) 2001-04-10 2001-04-10 Insertion device

Publications (2)

Publication Number Publication Date
CN1380047A CN1380047A (en) 2002-11-20
CN1247168C true CN1247168C (en) 2006-03-29

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Application Number Title Priority Date Filing Date
CN 01110454 Expired - Lifetime CN1247168C (en) 2001-04-10 2001-04-10 Insertion device

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20080523A0 (en) * 2008-09-17 2008-09-17 Bayer Schering Pharma Oy inserter
WO2017025502A1 (en) 2015-08-07 2017-02-16 Pat&Co Bvba Novel instrument for the insertion of a bioactive frameless or framed intrauterine device or intrauterine system through a hysteroscope
CN105395307B (en) * 2015-12-08 2018-02-16 张波 A kind of female condom device for posting and its application method
CN217186703U (en) * 2022-02-15 2022-08-16 易浦润(上海)生物技术有限公司 Intrauterine membrane placing device

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20021120

Assignee: BEIJING H & J NOVOMED CO., LTD.

Assignor: Tianjin Hejie Medical Equipment Co., Ltd.

Contract record no.: 2013990000544

Denomination of invention: Inserting arrangement for deformable eye crystalline lens

Granted publication date: 20060329

License type: Exclusive License

Record date: 20130902

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20060329