CN110141330B - Uterine round ligament shortening device - Google Patents
Uterine round ligament shortening device Download PDFInfo
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- CN110141330B CN110141330B CN201910412694.2A CN201910412694A CN110141330B CN 110141330 B CN110141330 B CN 110141330B CN 201910412694 A CN201910412694 A CN 201910412694A CN 110141330 B CN110141330 B CN 110141330B
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- threading
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4241—Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
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- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a uterine round ligament shortening device, which comprises a threading needle body, wherein the threading needle body is provided with two threading holes which are radially penetrated, the two threading holes are arranged along the axial direction of the threading needle body and are used for threading surgical threads in and out, the surgical threads form a thread loop between the two threading holes, the two threading holes are internally provided with locking mechanisms which are used for fixing the surgical threads, the threading needle body is provided with a handle opposite to a puncturing end, the handle is internally provided with a control component for controlling the locking mechanisms, when the threading needle needs to be withdrawn from an abdominal cavity and takes out the thread, the withdrawn thread head is left with the thread loop, the thread head has enough length, after the thread loop is tightened after the locking device is unlocked, the threading needle is withdrawn from the abdominal cavity and drives the thread head to be withdrawn from the abdominal cavity, the two thread heads are fixed on the surface of the abdominal cavity, the whole threading needle is convenient to fix the thread head, and easily tie a knot to position the string outlet.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a uterine round ligament shortening device.
Background
The round ligament of uterus is one of the ligaments of uterus. Is a pair of long round cables, which are composed of smooth muscle and connective tissue. From the outer border of the uterus, anterior and inferior to the uterine ostium of the fallopian tube. Under the anterior layer of the broad ligament of uterus, it runs anterolaterally through the groin canal and ends in the mons veneris and the upper part of the labia majora. The main structure for maintaining the anteversion position of the uterus. Too long ligamentum teres will cause retroversion of uterus, which in turn causes dysmenorrhea and infertility. The round ligament shortening operation is a conventional method for improving the symptoms, the conventional round ligament shortening operation is generally performed by laparoscopic surgery or laparotomy, suture shortening is performed by auxiliary operation of operating forceps and a guide needle, the guide needle is threaded through an operation line, enters an abdominal cavity for suture, and exits from the abdominal cavity and is fixed on the surface of skin, but the conventional guide needle is generally threaded through a single hole, is inconvenient to take out and fix the operation line from the abdominal cavity in the operation process, and at present, no effective and convenient operation surgical tool for shortening the round ligament exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel uterine round ligament shortening device, namely a threading needle which can conveniently fix a thread end and easily tie a knot to position the thread end.
In order to achieve the purpose, the invention provides a uterine round ligament shortening device which comprises a threading needle body, wherein two threading holes which penetrate through the threading needle body in the radial direction are formed in the threading needle body, the two threading holes are arranged along the axial direction of the threading needle body, an operation thread penetrates through the two threading holes, the operation thread forms a thread ring between the two threading holes, locking mechanisms are arranged in the two threading holes and used for fixing the operation thread, a handle is arranged at the back piercing end of the threading needle body, and a control assembly for controlling the locking mechanisms is arranged on the threading needle body.
As a further improvement of the invention, the locking mechanism comprises a locking piece, the locking piece is slidably connected to the inner wall of the threading hole, the locking piece comprises a connecting part and a locking part, the locking part is formed by two clamping pieces to form a conical clamping piece, a clamping gap exists between the two clamping pieces, a clamping part is formed at a pointed end of the two clamping pieces, the clamping pieces are connected with the connecting part in a manner of being opposite to the clamping part, the inner wall of the threading hole is provided with a guide boss, the guide boss is provided with an annular inclined plane gradually reducing towards the threading end, a sliding groove for the connecting part to slide is arranged on the threading hole close to the threading hole threading side of the guide boss, the control component drives the locking piece to slide towards the threading hole threading side, and when the locking piece is abutted against the boss, the clamping piece.
As a further improvement of the invention, the outer wall of the connecting part extending out of the sliding groove is connected with a sleeve, the inner wall surface of the sleeve is provided with an internal thread, the control component comprises a driving screw, a driven gear and a driving rack, the threading needle body is provided with a working groove between the two threading holes, the working groove and the sliding groove are communicated with each other, the sleeve is arranged in the working groove, the driving screw is in threaded connection with the sleeve, the driving screw is provided with two sections of reverse external threads, the two sleeves corresponding to different threading holes are respectively in threaded connection with the two sections of reverse external threads, the driven gear is sleeved at one end of the driving screw, one end of the driving rack extends upwards to a handle part, the other end of the driving rack is meshed with the driven gear, and the driving rack slides and stretches along the.
As a further improvement of the invention, the threading needle body is provided with a sliding cavity, the driving rack is in sliding connection with the sliding cavity, the sliding cavity comprises an upper cavity groove arranged at the upper end of the working groove and a lower cavity groove arranged at the lower end of the working groove, the upper cavity groove and the lower cavity groove are communicated with the working groove, the lower cavity groove is provided with a spring part, one end of the spring part is connected with the inner wall of the lower cavity groove, the other end of the spring part is connected with one end of the driving rack extending into the lower cavity groove, the spring part keeps the driving rack limiting the locking piece in a state of clamping the surgical line, one end of the driving rack back to the driven gear is connected with a traction rope, the handle is provided with.
As a further improvement of the invention, the traction device comprises a handle and a pulley part arranged in the handle, the traction rope bypasses the pulley part and is in transmission connection with the pulley part, the handle is provided with a through groove, the traction rope penetrates through one end of the handle through the through groove and is connected with the handle, and the handle and the upper end surface of the handle are in mutual abutting arrangement.
As a further improvement of the invention, the upper cavity groove and the lower cavity groove are both provided with positioning gears, the positioning gears are rotationally connected in the upper cavity groove and the lower cavity groove, and the driving racks are always kept to be meshed with the positioning gears.
As a further improvement of the invention, the inner ring surface of the clamping piece is provided with an anti-slip strip which is made of rubber.
The invention provides a uterine round ligament shortening device, which is convenient to operate when in use, two threading holes are arranged on a threading needle body, an operation thread passes through the two threading holes in sequence, the operation thread forms a thread loop between the two threading holes, the operation thread is further fixed to prevent the operation thread from falling off, when in use, a handle is arranged to facilitate the operation, two ends of the operation thread are firstly pulled outside an abdominal cavity, the threading needle is inserted into the position of the abdominal cavity, an operation clamp fixes the round ligament, the threading needle sews the round ligament in a wave folding mode, the operation clamp pulls out the operation thread passing through the round ligament, pulls a thread head into the abdominal cavity, the threading needle withdraws from the round ligament, the pulled thread head passes through the thread loop in the abdominal cavity, and the thread head has enough length, after the thread loop is tightened, the threading needle withdraws from the abdominal cavity and drives the thread head to withdraw from the abdominal cavity, the two thread heads are tied and fixed under the fascia of the abdominal wall, and through being provided with locking mechanical system in the through wires hole for adjust the elasticity of operation line at the wire loop position wantonly in the use, after adjusting the size of operation line wire loop outside, lock the operation line, can not change the wire loop size at the suture threading in-process of threading needle, make in the operation process, locking mechanical system conveniently stimulates to the unblock of operation line when needs pulling the operation line, locks the operation line when needs prevent that the operation line from sliding, its overall design is reasonable, convenient operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention shown in FIG. 1A;
FIG. 3 is a schematic view of another embodiment of the present invention;
fig. 4 is a partial enlarged view of fig. 3B.
Description of the drawings: 1. a threading needle body; 2. threading holes; 3. a locking mechanism; 4. a handle; 5. a connecting portion; 6. a clip; 7. a clamping gap; 8. a guide boss; 9. a chute; 10. a sleeve; 11. a drive screw; 12. a driven gear; 13. a drive rack; 14. a working groove; 15. an upper cavity groove; 16. a lower cavity groove; 17. a spring member; 18. a hauling rope; 19. a handle; 20. a pulley member; 21. a through groove; 22. positioning a gear; 23. and (4) an anti-slip strip.
Detailed Description
The present invention will be described in further detail with reference to the drawings, examples and effect examples, but the present invention is not limited thereto.
As shown in fig. 1-4, the uterine round ligament shortening device comprises a threading needle body 1, wherein the threading needle body 1 comprises a piercing end with a sharp head, the threading needle body 1 is preferably a 0.5-0.8mm needle tube, the threading needle body is preferably a solid metal needle tube, the threading needle body 1 is provided with two threading holes 2 which radially penetrate through, the number of the threading holes 2 can be circular or elliptical, the two threading holes 2 are arranged along the axial direction of the threading needle body 1, the distance between the two threading holes 2 is preferably 1-3cm, the two threading holes 2 are used for the threading of a surgical thread, the surgical thread forms a thread loop between the two threading holes 2, the two threading holes 2 are internally provided with a locking mechanism 3, the locking mechanism 3 is used for fixing the surgical thread, the locking mechanism 3 can randomly adjust the tightness of the surgical thread at the position of the thread loop during the use, after the size of the surgical thread loop is adjusted outside, the surgical thread is locked, the size of the thread loop cannot be changed in the suture threading process of the threading needle, so that in the surgical process, the locking mechanism 3 can be conveniently pulled for unlocking the surgical thread when the surgical thread needs to be pulled, the back piercing end of the surgical thread threading needle body 1 is locked when the surgical thread is prevented from sliding, a handle 4 is arranged at the piercing end, the threading needle body 1 is provided with a control assembly for controlling the locking mechanism 3, and the locking state of the locking mechanism 3 is adjusted through the control assembly.
When the operation forceps are used, the handles 4 are arranged to facilitate operation, the two ends of the operation wire are pulled outside the abdominal cavity, the threading needle is inserted into the abdominal position, the round ligament is fixed by the operation forceps, the threading needle sews the round ligament in a wave folding mode, the operation forceps pull out the operation wire passing through the round ligament, the wire head is pulled into the abdominal cavity, the threading needle withdraws from the round ligament, the wire head pulled out in the abdominal cavity penetrates through the wire ring, the wire head is enough in length, after the wire ring is tightened, the threading needle withdraws from the abdominal cavity and drives the wire head to withdraw from the abdominal cavity, the two wire heads are knotted and fixed under the abdominal wall fascia, and the round ligament is sewed and shortened.
As an improved embodiment, the locking mechanism 3 comprises a locking member slidably connected to the inner wall of the threading hole 2, the locking member comprises a connecting portion 5 and a locking portion, the locking portion is formed by two clamping pieces 6 to form a conical clamping piece, a clamping gap 7 exists between the two clamping pieces 6 in the conical surface to allow the clamping piece to be clamped and deformed, the two clamping pieces 6 form a clamping portion at the tip end, the clamping pieces 6 are connected with the connecting portion 5 in a back direction, a guiding boss 8 is arranged on the inner wall of the threading hole 2 of the two clamping pieces 6, the guiding boss 8 is provided with an annular inclined surface gradually reducing the inner diameter toward the threading end of the surgical suture, the annular inclined surface is abutted against the outer wall of the clamping pieces 6, a sliding groove 9 for the connecting portion 5 to slide is arranged on the threading hole 2 side of the guiding boss 8, the control assembly drives the locking member to slide toward the threading hole 2, when the locking member is abutted against, the folder removes along the annular inclined plane of direction boss 8, centre gripping operation line is dwindled to the folder front end, the latch fitting that sets up two through wires hole 2 about uses its sliding direction to set up as symmetry axis symmetry, it is preferred, through wires hole 2 is provided with the sealed coating film of cladding locking mechanical system 3, this sealed coating film can sealed locking mechanical system 3, and the rubber material of high temperature resistance is preferred to its sealed coating film, prevent bacterium or virus entering locking mechanical system 3, make the threading needle can conveniently disinfect, 3 design benefit of its locking mechanical system, more accurate that the centre gripping dynamics can be controlled, fixed operation line that can fasten.
As an improved specific embodiment, the outer wall of the connecting part 5 extending out of the sliding chute 9 is connected with a sleeve 10, the inner wall surface of the sleeve 10 is provided with internal threads, the control component comprises a driving screw 11, a driven gear 12 and a driving rack 13, the threading needle body 1 is provided with a working groove 14 between the two threading holes 2, the working groove 14 is communicated with the sliding chute 9, the sleeve 10 is arranged in the working groove 14, the driving screw 11 is in threaded connection with the sleeve 10, one end of the driving screw 11 is rotationally connected on the inner wall of the working groove 14, the driving screw 11 is provided with two sections of reverse external threads, the sleeves 10 corresponding to the two different threading holes 2 are respectively in threaded connection with the two sections of reverse external threads, the driven gear 12 is sleeved on one end of the driving screw 11, one end of the driving rack 13 extends upwards to the handle 4 part, the other end is mutually meshed with the driven gear 12, the driving rack 13 slides and stretches, when needing to adjust, pulling the driving rack 13 up and down, drive the driven gear 12 and rotate, and then drive the driving screw 11 and rotate, the driving screw 11 rotates and drives the sleeve 10 to advance along the external screw thread of the driving screw 11, the rotation direction of the driving screw 11 matches with the external screw thread spiral direction of the driving screw 11 and is made up to slide upwards at the driving rack 13 and drive the driving screw 11 to rotate the back, the folder in the upper and lower through wires hole 2 slides to the inlet wire end of the through wires hole 2, make the folder remove the fixation to the operation line, its whole operation is simple, can control the folder of the upper and lower through wires hole 2 at the same time, the coordinated control, make the operation line comparatively smooth and easy when.
As an improved specific embodiment, the threading needle body 1 is provided with a sliding cavity, the driving rack 13 is connected with the sliding cavity in a sliding way, the sliding cavity comprises an upper cavity groove 15 arranged at the upper end of the working groove 14 and a lower cavity groove 16 arranged at the lower end of the working groove 14, the upper cavity groove 15 and the lower cavity groove 16 are communicated with the working groove 14, the lower cavity groove 16 is provided with a spring piece 17, one end of the spring piece 17 is connected with the inner wall of the lower cavity groove 16, the other end of the spring piece is connected with one end of the driving rack 13 extending into the lower cavity groove 16, the spring piece 17 keeps the locking piece in a state that the driving rack 13 clamps the surgical line, the spring piece 17 keeps one end of the driving rack 13 close to the lower cavity groove 16, one end of the driving rack 13 facing away from the driven gear 12 is connected with a traction rope 18, the handle 4 is provided with a traction device, one end of the, it is simpler and more convenient to operate.
As a modified specific embodiment, the traction device comprises a handle 19 and a pulley member 20 arranged in the handle 4, the traction rope 18 is in transmission connection with the pulley member 20 by bypassing the pulley member 20, the traction rope 18 of the extension section is accommodated by arranging the pulley member 20, the traction rope 18 is always kept in a tensioning state, meanwhile, the traction rope 18 can keep traction in the correct direction when the driving rack 13 is pulled, the handle 4 is provided with a through groove 21, the traction rope 18 penetrates out of one end of the handle 4 through the through groove 21 to be connected with the handle 19, the handle 19 is arranged in an interference mode with the upper end face of the handle 4, and the handle 19 is arranged to facilitate operation of a doctor.
As a modified specific embodiment, a positioning gear 22 is arranged in each of the upper cavity groove 15 and the lower cavity groove 16, the positioning gear 22 is rotatably connected in the upper cavity groove 15 and the lower cavity groove 16, the driving rack 13 is always kept meshed with the positioning gear 22, and the positioning gear 22 is arranged to keep the driving rack 13 stable during sliding and always keep meshed with the driven gear 12.
As a modified specific embodiment, the inner annular surface of the clip 6 is provided with the anti-slip strip 23, the anti-slip strip 23 is made of rubber, and the anti-slip strip 23 is in a bulging shape, so as to increase the contact friction force between the clip 6 and the surgical cable.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. Uterus round ligament shortening device, its characterized in that: comprises a threading needle body (1), wherein the threading needle body (1) is provided with two threading holes (2) which penetrate through in the radial direction, the number of the threading holes (2) is two, the two threading holes (2) are arranged along the axial direction of the threading needle body (1), the two threading holes (2) are used for threading and threading of a surgical thread, the surgical thread forms a thread ring between the two threading holes (2), locking mechanisms (3) are arranged in the two threading holes (2), the locking mechanisms (3) are used for fixing the surgical thread, the threading needle body (1) is provided with a handle (4) at the end opposite to the piercing end, the threading needle body (1) is provided with a control component for controlling the locking mechanisms (3),
the locking mechanism (3) comprises a locking piece, the locking piece is connected to the inner wall of the threading hole (2) in a sliding manner, the locking piece comprises a connecting part (5) and a locking part, the locking part is surrounded by two clamping pieces (6) to form a conical clamping piece, a clamping gap (7) exists between the two clamping pieces (6), a clamping part is formed at the tip end of the two clamping pieces (6), the clamping pieces (6) are connected with the connecting part (5) in a back direction, a guide boss (8) is arranged on the inner wall of the threading hole (2), the guide boss (8) is provided with an annular inclined plane which gradually reduces the inner diameter of the threading end of the surgical suture, a sliding groove (9) for sliding the connecting part (5) is arranged at the threading side of the guide boss (8) close to the threading hole (2), the control assembly drives the locking piece to slide to one side of the threading hole (2), and the locking piece is in a state of, the clamp moves along the annular inclined plane of the guide boss (8) to clamp the surgical cable,
the outer wall of the connecting part (5) extending out of the sliding groove (9) is connected with a sleeve (10), an inner thread is arranged on the inner wall surface of the sleeve (10), the control assembly comprises a driving screw (11), a driven gear (12) and a driving rack (13), the threading needle body (1) is provided with a working groove (14) between the two threading holes (2), the working groove (14) is communicated with the sliding groove (9), the sleeve (10) is arranged in the working groove (14), the driving screw (11) is in threaded connection with the sleeve (10), the driving screw (11) is provided with two sections of reverse external threads, the sleeves (10) corresponding to the different threading holes (2) are respectively in threaded connection with the two sections of reverse external threads, the driven gear (12) is sleeved with one end of the driving screw (11), one end of the driving rack (13) upwards extends to the position of the handle (4), in addition one end and driven gear (12) intermeshing, drive rack (13) are flexible along wearing to draw needle body (1) endwise slip, it is provided with the chamber of sliding to wear to draw needle body (1), drive rack (13) and the chamber sliding connection that slides, the chamber of sliding is including setting up last chamber groove (15) and the lower chamber groove (16) of setting at work groove (14) lower extreme on work groove (14), it all link up each other with work groove (14) with lower chamber groove (16) to go up chamber groove (15), lower chamber groove (16) are provided with spring part (17), and lower chamber groove (16) inner wall is connected to this spring part (17) one end, and one end is connected in addition drive rack (13) stretches into the one end in lower chamber groove (16), and this spring part (17) keep drive rack (13) to inject the latch fitting in the state of centre gripping operation line, drive rack (13) are connected with haulage rope (18) in driven gear (12) one end dorsad, a traction device is arranged at the handle (4), and one end of the traction rope (18) is connected with the traction device.
2. The uterine round ligament shortening device according to claim 1, wherein the pulling device comprises a handle (19) and a pulley member (20) arranged in the handle (4), the pulling rope (18) bypasses the pulley member (20) and is in transmission connection with the pulley member (20), the handle (4) is provided with a through groove (21), the pulling rope (18) penetrates out of one end of the handle (4) through the through groove (21) to be connected with the handle (19), and the handle (19) and the upper end face of the handle (4) are arranged in an interference mode.
3. The ligamentum teres shortening device according to claim 2, wherein each of the upper cavity groove (15) and the lower cavity groove (16) is provided with a positioning gear (22), the positioning gear (22) is rotatably connected in the upper cavity groove (15) and the lower cavity groove (16), and the driving rack (13) is always kept meshed with the positioning gear (22).
4. The ligamentum teres shortening device according to claim 3, wherein the clip (6) is provided with anti-slip strips (23) on the inner circumferential surface, the anti-slip strips (23) being made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412694.2A CN110141330B (en) | 2019-05-17 | 2019-05-17 | Uterine round ligament shortening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412694.2A CN110141330B (en) | 2019-05-17 | 2019-05-17 | Uterine round ligament shortening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110141330A CN110141330A (en) | 2019-08-20 |
| CN110141330B true CN110141330B (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412694.2A Active CN110141330B (en) | 2019-05-17 | 2019-05-17 | Uterine round ligament shortening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110141330B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10141234A1 (en) * | 2001-08-23 | 2003-03-13 | Ethicon Gmbh | System with a surgical needle and a handle |
| US7682374B2 (en) * | 2003-10-21 | 2010-03-23 | Arthrocare Corporation | Knotless suture lock and bone anchor implant method |
| CN201469329U (en) * | 2009-08-24 | 2010-05-19 | 成都市第五人民医院 | Thread guiding needle |
| CN202458506U (en) * | 2012-01-19 | 2012-10-03 | 徐秀杰 | Probe used for suspending ligamentum teres hepatis in single-port laparo-endoscopic gall bladder operation |
| US9855028B2 (en) * | 2012-04-06 | 2018-01-02 | Arthrocare Corporation | Multi-suture knotless anchor for attaching tissue to bone and related method |
| CN203436355U (en) * | 2013-05-20 | 2014-02-19 | 蒙庆华 | A suture and knot-tying device used in endoscopic surgeries |
| CN204092069U (en) * | 2014-10-09 | 2015-01-14 | 王建华 | A kind of peritoneoscope crochet hook assembly |
| CN207545183U (en) * | 2017-05-22 | 2018-06-29 | 王斌 | Diffusivity adenomyosis protects palace U operation ligamentum teres and shortens device |
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2019
- 2019-05-17 CN CN201910412694.2A patent/CN110141330B/en active Active
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