CN1196455C - Fixed contraception device introducer - Google Patents
Fixed contraception device introducer Download PDFInfo
- Publication number
- CN1196455C CN1196455C CN 01106590 CN01106590A CN1196455C CN 1196455 C CN1196455 C CN 1196455C CN 01106590 CN01106590 CN 01106590 CN 01106590 A CN01106590 A CN 01106590A CN 1196455 C CN1196455 C CN 1196455C
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- CN
- China
- Prior art keywords
- urceolus
- fixed
- pushing ram
- afterbody
- trocar sheath
- 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 - Fee Related
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Abstract
The present invention relates to a novel fixed contraception device introducer which comprises an outer sleeve tube (1), a placing needle (2), a connecting rod (3) and a handle (4), wherein the handle (4) is composed of an outer cylinder (5) and a push rod (6), the push rod is provided with a tension spring (7), a string clamping slot (8), a sliding column (11) and a crown (13), and the outer cylinder (5) is provided with a string pulling hole (9), a drawing head (10) and a sliding slot (12). The present invention can rigidly control the insertion depth of the fixed intrauterine device in a muscular layer of the bottom of a uterus. The fixed degree of the fixed intrauterine device in the muscular layer of the uterus is improved, and the defect that traditional intrauterine devices are easy to lead to uterine perforation, unfirm fixation and unsatisfactory placement is overcome.
Description
The present invention relates to medical appliance, particularly the improvement of intrauterine device (IUD) placement device.
The fixed intrauterine device of chain structure, it is a kind of birth control utensil that generally acknowledge in present contraception technology field with good contraceptive efficacy and few side effects, it is that apparatus for placing by special use is fixed on its front end in the flesh layer of bottom, uterus, make the birth control apparatus rotating hanging that is chain structure in cavity of uterus, the copper ring that constitutes chain structure on birth control apparatus copper ion releasing and bring into play contraceptive efficacy in uterine cavity, its outstanding advantage is little to the stimulation of Uterus wall, thereby side effect is also little.But, cause the application of this kind birth control apparatus to be affected because the existing placement device that is used to place fixed intrauterine device exists the degree of depth problem that wayward birth control apparatus front end inserts bottom, uterus flesh layer.The present fixed intrauterine device placement device that uses, contraception device introducer in the official disclosed in the ZL92227292 patent application, its degree of depth of inserting bottom, uterus flesh layer is leaned on operator's sensation and experience fully, lack effective Warning Mark and method of controlling, cause the perforation of uterus, birth control apparatus to fix problems such as not firm, not in place easily, seriously limited being extensive use of of fixed contraception device device.
The object of the present invention is to provide a kind of novel fixed contraception device introducer, this novel fixed contraception device introducer can strictly be controlled the degree of depth that fixed intrauterine device (intrauterine device that patent application relates to as ZL92227292) inserts bottom, uterus flesh layer, guarantee among the standing part implantation fundus of uterus flesh layer of fixed intrauterine device, improve fixed intrauterine device in myometrial fixed rate, can prevent effectively that traditional placement device from causing the perforation of uterus in operation easily, birth control apparatus is fixing not firm, problem such as not in place, and place easy simple to operate, grasp easily, swift to operate, help promoting the use of of fixed intrauterine device.
Specific embodiments of the present invention is: this novel fixed contraception device introducer comprises trocar sheath 1, is positioned at the placement pin 2 and the connecting rod 3 and the handle portion 4 that link to each other with placement pin 2 of trocar sheath 1, its feature is made of urceolus 5 and the pushing ram 6 that is positioned at urceolus 5 intracavity in handle portion 4, the front end of urceolus 5 is connected with trocar sheath 1, and the rear end is opening-like; The rear portion of connecting rod 3 is stretched in the urceolus 5 and is linked to each other with the front end of pushing ram 6, and the rear portion of pushing ram 6 passes from the afterbody opening of urceolus 5, and the needle point of length that it exposes and designed placement pin 2 thrusts the deep equality bottom the uterus; There is a tension spring 7 front end and connecting rod 3 connections at pushing ram 6, and this tension spring 7 is around the afterbody of connecting rod 3, and the one end is fixed in pushing ram 6 front ends, and the other end is unsettled and stop the stenosis that is connected with trocar sheath 1 and forms in urceolus 5; A side has the clamp groove 8 that is made of oblique shape opening in the front portion of pushing ram 6, and the backguy hole 9 that is made of the circular or semicircle opening of oblong is arranged at the tube wall position with the corresponding urceolus 5 in clamp groove 8 positions; Also can have by two be convenient to finger grip curved laminar in the outer front end of handle portion 4 and to climb 10; Also can be useful around the outer wall of the postmedian of pushing ram 6 to prevent to place the traveller 11 that constitutes by rectangular projection that skew takes place for backguy hole 9 on pin 2 and the pushing ram in progradation, having and traveller 11 corresponding chutes 12 on the wall all around of the middle part of urceolus 5 medial surface; On the afterbody of the pushing ram 6 that the afterbody opening part from urceolus 5 passes, button 13 can be arranged.
This novel fixed contraception device introducer provided by the invention, owing to adopted control advance distance structure, make it can strictly control the degree of depth that fixed intrauterine device inserts bottom, uterus flesh layer, guarantee that the fixing knot part of fixed intrauterine device implants certain position in the myometrium, improve fixed intrauterine device in myometrial fixed rate, can prevent effectively that traditional placement device from causing the perforation of uterus in operation easily, birth control apparatus is fixing not firm, problem such as not in place, can prevent from effectively to come off, and place easy simple to operate, grasp easily, swift to operate, help promoting the use of of fixed intrauterine device.
The invention will be further described below in conjunction with specific embodiment.
Fig. 1 is the structure chart of the embodiment of the invention.
Fig. 2 is the longitudinal axis cutaway view of the embodiment of the invention.
Fig. 3 is the A-A ' cutaway view figure of Fig. 2.
Fig. 4 is the structure chart that is suitable for the fixed intrauterine device that belongs to prior art of placement device placement provided by the invention.
Toponym shown in each lead-in wire is among the figure:
1---trocar sheath
2---place pin
3---connecting rod
4---handle portion
5---urceolus
6---pushing ram
7---tension spring
8---the clamp groove
9---the backguy hole
10---climb head
11---traveller
12---chute
13---button
14---locating piece
15---fixing knot
16---the rotating hanging line
17---copper ring
18---tailfiber
19---the tailfiber static line
Embodiment
This novel fixed contraception device introducer comprises trocar sheath 1, be positioned at the placement pin 2 and the connecting rod 3 and the handle portion 4 that link to each other with placement pin 2 of trocar sheath 1, handle portion 4 is made of urceolus 5 and the pushing ram 6 that is positioned at urceolus 5 intracavity, and the front end of urceolus 5 is connected with trocar sheath 1, and the rear end is opening-like; The rear portion of connecting rod 3 is stretched in the urceolus 5 and is linked to each other with the front end of pushing ram 6, and the rear portion of pushing ram 6 passes from the afterbody opening of urceolus 5, and the needle point of length that it exposes and designed placement pin 2 thrusts the deep equality bottom the uterus; There is a tension spring 7 front end and connecting rod 3 connections at pushing ram 6, and this tension spring 7 is around the afterbody of connecting rod 3, and the one end is fixed in pushing ram 6 front ends, and the other end is unsettled and stop the stenosis that is connected with trocar sheath 1 and forms in urceolus 5; A side has the clamp groove 8 that is made of oblique shape opening in the front portion of pushing ram 6, at tube wall position the backguy hole 9 that is made of the circular or semicircle opening of oblong is arranged, also have by two be convenient to finger grip curved laminar in the outer front end of handle portion 4 and climb 10 with the corresponding urceolus 5 in clamp groove 8 positions; Also can be useful around the outer wall of the postmedian of pushing ram 6 with prevent to place clamp groove 8 on pin 2 and the pushing ram in progradation, rotate skew and cause the fixedly knot of placing on pin 2 tips to come off and clamp groove 8 in the tailfiber static line deviate from and/or clamp groove 8 depart from the wall all around of middle part medial surface of the traveller that constitutes by rectangular projection 11 in backguy hole 9 and position urceolus 5 with traveller 11 corresponding chutes 12; It is 1 centimetre that the rear portion of pushing ram 6 passes the length of being exposed from the afterbody opening of urceolus 5, the tip of placing pin 2 simultaneously is concordant with the front end of trocar sheath, when pressing from 1 centimetre of pushing ram 6 that the afterbody opening of urceolus 5 passes, the front end of placing pin 2 is then by in the trocar sheath protruding 1 centimetre, the front end band of promptly placing pin 2 in practical operation the fixedly knot of birth control apparatus and advance 1 centimetre in myometrium, after forked placement pin withdrawed from, birth control apparatus fixedly knot just was retained in the myometrium.The afterbody of the pushing ram 6 that passes at the afterbody opening part from urceolus 5 is equipped with button 13, and this button 13 comfortable feel and improve the usefulness of outward appearance during only for operation does not influence pushing ram 6 and places the advance distance of pin 2 when operation.The locating piece 14 that is made of fritter is slidably arranged in the outside of trocar sheath 1, its role is to the degree of depth of indication uterine cavity on trocar sheath 1, the control placement device is inserted the degree of depth of cavity of uterus when being convenient to operate, and makes it can accurately arrive at the bottom, uterus.Placement pin of the present invention is made by rustless steel, and remaining part is made by nonpoisonous plastic material.
Fixedly knot with fixed intrauterine device front end during use is enclosed within on the vertical prong like of placement pin, with the afterbody pull-up, make fixed intrauterine device stretching along connecting rod, subsequently with the tailfiber fixing clamper in the clamp groove, again with trocar sheath and urceolus, climb the fixing Lian Haohou of head, the free-end that will be fixed on the tailfiber static line the clamp groove from the backguy hole is drawn to outside the backguy hole, puts button, can be used by medical practitioner after the disinfection of this kind state.When the top of trocar sheath arrives the bottom, uterus, promote button with right hand thumb, this moment, fixedly knot promptly advanced in the myometrium, pulling is positioned at the free-end of the tailfiber static line of outside, backguy hole again, it is deviate from from the clamp groove, unclamp right hand thumb then, having entered myometrial placement pin front portion shrinks back automatically owing to the return of tension spring, and separate with the fixing knot of birth control apparatus in inserting myometrium, to fix knot and be retained in 1 centimetre of depths in the myometrium, after placement pin front end comes back in the trocar sheath, slowly withdraw from placement device, this promptly finishes the placement of fixed intrauterine device.
Claims (9)
1. fixed contraception device introducer, comprise trocar sheath (1), be positioned at trocar sheath (1) placement pin (2) and with place connecting rod (3) and the handle portion (4) that pin (2) links to each other, its feature is made of urceolus (5) and the pushing ram (6) that is positioned at urceolus (5) intracavity in handle portion (4), the front end of urceolus (5) is connected with trocar sheath (1), and the rear end is opening-like; The intracavity diameter of urceolus (5) and external diameter are respectively greater than the intracavity diameter and the external diameter of trocar sheath (1), the intracavity diameter of urceolus (5) and external diameter are beginning to dwindle gradually near the connecting portion of urceolus (5) with trocar sheath (1), to the be communicated with place of urceolus (5) with trocar sheath (1), the intracavity diameter of urceolus (5) and reduced diameter are to and formation stenosis consistent with the intracavity diameter of trocar sheath (1) and external diameter; The rear portion of connecting rod (3) is stretched into and is linked to each other with the front end of pushing ram (6) in the urceolus (5), and the rear portion of pushing ram (6) passes from the afterbody opening of urceolus (5), and the needle point of length that it exposes and designed placement pin (2) thrusts the deep equality bottom the uterus; There is a tension spring (7) front end and connecting rod (3) connection at pushing ram (6), this tension spring (7) is around the afterbody of connecting rod (3), the one end is fixed in pushing ram (6) front end, and the other end is unsettled and stop the stenosis that is connected with trocar sheath (1) and forms in urceolus (5); In the front portion of pushing ram (a 6) side clamp groove (8) that is made of oblique shape opening is arranged, the backguy hole (9) that is made of the circular or semicircle opening of oblong is arranged at the tube wall position with the corresponding urceolus in clamp groove (8) position (5).
2. fixed contraception device introducer according to claim 1 is characterized in that in the outer front end of handle portion (4) the curved laminar head (10) of climbing of being convenient to finger grip by two being arranged.
3. fixed contraception device introducer according to claim 1 and 2, it is characterized in that on the wall all around of the useful middle part medial surface that in progradation, rotates the traveller (11) that constitutes by rectangular projection of skew and be positioned at urceolus (5) with the clamp groove (8) that prevents to place on pin (2) and the pushing ram around the outer wall of the postmedian of said pushing ram (6) with the corresponding chute of traveller (11) (12).
4. fixed contraception device introducer according to claim 1 and 2, it is 1 centimetre that the rear portion that it is characterized in that said pushing ram (6) passes the length of being exposed from the afterbody opening of urceolus (5).
5. fixed contraception device introducer according to claim 3, it is 1 centimetre that the rear portion that it is characterized in that said pushing ram (6) passes the length of being exposed from the afterbody opening of urceolus (5).
6. fixed contraception device introducer according to claim 1 and 2 is characterized in that the afterbody of the pushing ram (6) that passes at the afterbody opening part from urceolus (5) has button (13).
7. fixed contraception device introducer according to claim 3 is characterized in that the afterbody of the pushing ram (6) that passes at the afterbody opening part from urceolus (5) has button (13).
8. fixed contraception device introducer according to claim 4 is characterized in that the afterbody of the pushing ram (6) that passes at the afterbody opening part from urceolus (5) has button (13).
9. fixed contraception device introducer according to claim 5 is characterized in that the afterbody of the pushing ram (6) that passes at the afterbody opening part from urceolus (5) has button (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106590 CN1196455C (en) | 2001-03-29 | 2001-03-29 | Fixed contraception device introducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106590 CN1196455C (en) | 2001-03-29 | 2001-03-29 | Fixed contraception device introducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1377635A CN1377635A (en) | 2002-11-06 |
| CN1196455C true CN1196455C (en) | 2005-04-13 |
Family
ID=4655583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01106590 Expired - Fee Related CN1196455C (en) | 2001-03-29 | 2001-03-29 | Fixed contraception device introducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1196455C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294886C (en) * | 2005-03-02 | 2007-01-17 | 东南大学 | Device for taking out intrauterine device |
| RU2494706C2 (en) | 2008-09-17 | 2013-10-10 | Байер Ой | Device for introduction |
| FI20080524A0 (en) | 2008-09-17 | 2008-09-17 | Bayer Schering Pharma Oy | An inserter |
| FI20080523A0 (en) | 2008-09-17 | 2008-09-17 | Bayer Schering Pharma Oy | An inserter |
| FI122579B (en) | 2010-10-29 | 2012-03-30 | Bayer Oy | inserter |
| CN109602535B (en) * | 2019-02-15 | 2024-03-22 | 易浦润（上海）生物技术有限公司 | Intrauterine membrane placement device and placement method thereof |
| TW202142200A (en) * | 2020-01-24 | 2021-11-16 | 芬蘭商拜耳股份有限公司 | An inserter for an intrauterine system with a locking part |
-
2001
- 2001-03-29 CN CN 01106590 patent/CN1196455C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1377635A (en) | 2002-11-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050413 |