CN103829980B - A kind of closed repair apparatus for recto-vaginal fistula - Google Patents
A kind of closed repair apparatus for recto-vaginal fistula Download PDFInfo
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- CN103829980B CN103829980B CN201410041152.6A CN201410041152A CN103829980B CN 103829980 B CN103829980 B CN 103829980B CN 201410041152 A CN201410041152 A CN 201410041152A CN 103829980 B CN103829980 B CN 103829980B
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- pin
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- recto
- groove
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00584—Clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00641—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closing fistulae, e.g. anorectal fistulae
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00646—Type of implements
- A61B2017/00659—Type of implements located only on one side of the opening
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00876—Material properties magnetic
Abstract
For a closed repair apparatus for recto-vaginal fistula, comprising: the first pin hole shell, its main body is the first shell end face being provided with the arc of the first groove along arc length trend, and the two ends of the first shell are provided with the first connecting portion of connecting axle; Second pin hole shell, its main body is second housing end face being provided with the arc of the second groove along arc length trend, the two ends of second housing are provided with the second connecting portion of connecting hole, wherein connecting hole is used for being connected with connecting axle thus the both ends realizing the first pin hole shell and the second pin hole shell connect, and connection afterwards the second pin hole shell can rotate around connecting axle; First magnet, close-fitting is embedded in the first groove, and surface and the first shell end face level; Second magnet, close-fitting is embedded in the second groove, and surface and second housing end face level, the present invention can alleviate infection and the inflammatory edema of fistula mouth surrounding tissue, and is beneficial to the repairing of fistula mouth under inflammatory edema and Infection Status.
Description
Technical field
The invention belongs to technical field of medical equipment, be specifically related to a kind of closed repair apparatus for recto-vaginal fistula.
Background technology
Current recto-vaginal fistula depends on surgeon and carries out the repairing of fistula mouth with sutures.Sutures is extremely low to the success rate of mending of fistula mouth, about reporting that relapse rate that recto-vaginal fistula sutures repairs is up to 30%-80%.Its main cause is: the first, and recto-vaginal fistula directly contacts with human excrement and urine, very easily causes infection, cause inflammatory edema around fistula mouth, tissue become fragile; The second, sutures is arranged in fistula mouth surrounding tissue as foreign body and has increased the weight of inflammatory reaction; 3rd, the pollutant containing a large amount of antibacterial such as the feces around fistula mouth, intestinal juice can be immersed in the tissue around fistula mouth along the gap between sutures and tissue, increase the weight of fistula mouth surrounding tissue further and infect and inflammatory edema.The region of anatomy that recto-vaginal fistula is special and sutures self repair to fistula mouth the effect that these shortcomings of bringing and drawback have had a strong impact on recto-vaginal fistula repairing operation, and also close related equipment and the device of repairing at present not used for recto-vaginal fistula.
Summary of the invention
In order to overcome the deficiency that above-mentioned prior art exists, the object of the present invention is to provide a kind of closed repair apparatus for recto-vaginal fistula, the magnetic shell set composite with pinhole arrangement is utilized to complete the closed repairing of recto-vaginal fistula, the foreign body adopting sutures to bring can be avoided like this to stimulate the feces can avoided again around fistula mouth, the pollutant containing a large amount of antibacterial such as intestinal juice are immersed in the tissue around fistula mouth along the gap between sutures and tissue, greatly alleviate infection and the inflammatory edema of fistula mouth surrounding tissue, and when adopting the magnetic shell complex with pinhole arrangement to realize the repairing of fistula mouth, anastomotic position bears progressive magnetic squeeze force, more be conducive to the repairing of fistula mouth under inflammatory edema and Infection Status, after the tissue ischemia necrosis of press section comes off, magnetic shell complex can be discharged from vagina together with downright bad slough tissue, can not be detained foreign body in vivo, and fistula mouth repairing position smooth mucosal is complete, does not have cicatrix and generates, greatly can improve prognosis.
In order to achieve the above object, the technical solution adopted in the present invention is:
For a closed repair apparatus for recto-vaginal fistula, comprising:
First pin hole shell 1, its main body is the first connecting portion 11 that the two ends that end face is provided with the first shell 12, first shell 12 of the arc of the first groove 16 along arc length trend are provided with connecting axle 15;
Second pin hole shell 2, its main body is the second housing 22 end face being provided with the arc of the second groove 26 along arc length trend, the two ends of second housing 22 are provided with the second connecting portion 21 of connecting hole 25, wherein connecting hole 25 is for be connected with connecting axle 15 thus the both ends realizing the first pin hole shell 1 and the second pin hole shell 2 connect, and after connecting, the second pin hole shell 2 can rotate around connecting axle 15;
First magnet 3, close-fitting is embedded in the first groove 16, and surface and the first shell 12 end face level;
Second magnet 4, close-fitting is embedded in the second groove 26, and surface and second housing 22 end face level.
The trough rim position described first shell 12 being positioned at the first groove 16 is provided with taper shape first pin 13 of uniform intervals distribution and cylindrical first hole 14; The trough rim position described second housing 22 being positioned at the second groove 26 is provided with taper shape second pin 23 of uniform intervals distribution and cylindrical second hole 24; Wherein, cylindrical first hole 14 is for inserting conical second pin 23, and cylindrical second hole 24 for inserting conical first pin 13, thus realizes the first pin hole shell 1 and is connected with the end face of the second pin hole shell 2.
Described first pin hole shell 1 and the second pin hole shell 2 available metal material, as the processing of rustless steel steel, ferrum, copper or other alloys, also can select macromolecular material as the processing such as acrylic resin, rigid plastics.
The size shape of described first pin hole shell 1 and the second pin hole shell 2 all just as, the size shape of described first magnet 3 and the second magnet 4 all just as.The size of described first groove 16 and the second groove 26, shape, wall thickness, the degree of depth are identical.Radian and the length of the first groove 16 and the second groove 26 can design a series of specifications of different parameters according to vagina anatomic parameter.
Described first magnet 3 and the second magnet 4 can adopt different permanent magnet materials such as the magnetic materials such as Ferrite Material, samarium-cobalt material, NdFeB material, aluminum nickel cobalt to carry out machine-shaping, and magnet surface can adopt the various surface treatment method such as nickel plating, zinc-plated, nickel-clad copper nickel, titanium-nitride, coating diamond-like, plating politef.
Described conical first pin 13 vertebra point, is uniformly distributed on the first groove 16 both sides sidewall outwardly; Described conical second pin 23 vertebra point, is uniformly distributed on the second groove 26 both sides sidewall outwardly, and described taper shape first pin 13 and conical second pin 23 size, shape are identical.
Size, the shape in described cylindrical first hole 14 and cylindrical second hole 24 are identical, its cross section slightly larger than the vertebra floor space of conical first pin 13 and conical second pin 23 so that pin can be inserted into inside hole smoothly.Described cylindrical first hole 14 is specular with the position in cylindrical second hole 24, so that conical second pin 23 can be inserted into inside cylindrical first hole 14 when device closes, described cylindrical second hole 24 is specular with the position of conical first pin 13, so that conical first pin 13 can be inserted into inside cylindrical second hole 24 when device closes.
The closed repairing of the present invention by utilizing the magnetic shell set composite with pinhole arrangement to complete recto-vaginal fistula, the foreign body adopting sutures to bring can be avoided like this to stimulate the feces can avoided again around fistula mouth, the pollutant containing a large amount of antibacterial such as intestinal juice are immersed in the tissue around fistula mouth along the gap between sutures and tissue, greatly alleviate infection and the inflammatory edema of fistula mouth surrounding tissue, and when adopting the magnetic shell complex with pinhole arrangement to realize the repairing of fistula mouth, anastomotic position bears progressive magnetic squeeze force, more be conducive to the repairing of fistula mouth under inflammatory edema and Infection Status.After the tissue ischemia necrosis of press section comes off, magnetic shell complex can be discharged from vagina together with downright bad slough tissue, can not be detained foreign body in vivo, and fistula mouth repairing position smooth mucosal is complete, does not have cicatrix and generates, greatly can improve prognosis.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first pin hole shell of the present invention.
Fig. 2 is the structural representation of the second pin hole shell of the present invention.
Fig. 3 is the structural representation of the first magnet of the present invention.
Fig. 4 is the structural representation of the second magnet of the present invention.
Fig. 5 is the overall structure schematic diagram of magnetic shell complex deployed condition of the present invention.
Fig. 6 is the integrality schematic diagram in magnetic shell complex closing course of the present invention.
Fig. 7 is the integrality schematic diagram after magnetic shell complex of the present invention closes.
Fig. 8 is the view after magnetic shell complex of the present invention completes closed repairing.
Fig. 9 be the present invention squeeze reparation complete after pin hole shell and fistula mouth slough to come off schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described in more detail.
As shown in Figure 1, first pin hole shell 1 of the closed repair apparatus of recto-vaginal fistula, its main body is the first shell 12 end face being provided with the arc of the first groove 16 along arc length trend, the trough rim position the first connecting portion 11, first shell 12 that the two ends of the first shell 12 are provided with connecting axle 15 being positioned at the first groove 16 is provided with taper shape first pin 13 of uniform intervals distribution and cylindrical first hole 14.Conical first pin 13 vertebra point outwardly, is uniformly distributed on the first groove 16 both sides sidewall.
As shown in Figure 2, second pin hole shell 2 of the closed repair apparatus of recto-vaginal fistula, its main body is the second housing 22 end face being provided with the arc of the second groove 26 along arc length trend, the two ends of second housing 22 are provided with the second connecting portion 21 of connecting hole 25, wherein connecting hole 25 is for be connected with connecting axle 15 thus the both ends realizing the first pin hole shell 1 and the second pin hole shell 2 connect, and after connecting, the second pin hole shell 2 can rotate around connecting axle 15.Trough rim position second housing 22 being positioned at the second groove 26 is provided with taper shape second pin 23 of uniform intervals distribution and cylindrical second hole 24; Conical second pin 23 vertebra point, is uniformly distributed on the second groove 26 both sides sidewall outwardly, taper shape first pin 13 and conical second pin 23 size, shape identical.Wherein, cylindrical first hole 14 is for inserting conical second pin 23, and cylindrical second hole 24 for inserting conical first pin 13, thus realizes the first pin hole shell 1 and is connected with the end face of the second pin hole shell 2.
Size, the shape in cylindrical first hole 14 and cylindrical second hole 24 are identical, its cross section slightly larger than the vertebra floor space of conical first pin 13 and conical second pin 23 so that pin can be inserted into inside hole smoothly.Cylindrical first hole 14 is specular with the position in cylindrical second hole 24, so that conical second pin 23 can be inserted into inside cylindrical first hole 14 when device closes, cylindrical second hole 24 be specular with the position of conical first pin 13 so that taper shape the first pin 13 can be inserted into inside cylindrical second hole 24 when device closes.
First pin hole shell 1 and the second pin hole shell 2 available metal material, as the processing of rustless steel steel, ferrum, copper or other alloys, also can select macromolecular material as the processing such as acrylic resin, rigid plastics.
As shown in Figure 3, the first magnet 3 of arc, close-fitting is embedded in the first groove 16, and surface and the first shell 12 end face level.
As shown in Figure 4, the second magnet 4 of arc, close-fitting is embedded in the second groove 26, and surface and second housing 22 end face level.
First magnet 3 and the second magnet 4 can adopt different permanent magnet materials such as the magnetic materials such as Ferrite Material, samarium-cobalt material, NdFeB material, aluminum nickel cobalt to carry out machine-shaping, and magnet surface can adopt the various surface treatment method such as nickel plating, zinc-plated, nickel-clad copper nickel, titanium-nitride, coating diamond-like, plating politef.
As shown in Figure 5, the closed repair apparatus of recto-vaginal fistula, connecting hole 25 is connected with connecting axle 15.
Operation principle of the present invention is: make the first pin hole shell 1 and the second pin hole shell 2 be in deployed condition, to be placed in directly over the recto-vaginal fistula 6 above rectovaginal diaphragm 5 as shown in Figure 6, recto-vaginal fistula 6 is lifted upward through the space between the first pin hole shell 1 and the second pin hole shell 2, then the first pin hole shell 1 and the second pin hole shell 2 promote downwards as shown in Figure 7, first pin hole shell 1 and the second pin hole shell 2 rely on the attracting para-position of magnetic force to close and oppress to be organized as shown in Figure 8 below recto-vaginal fistula 6, first pin hole shell 1 after squeezing reparation completes, second pin hole shell 2 comes off as shown in Figure 9 together with recto-vaginal fistula 6 fistula mouth slough.
By the closed repairing utilizing the magnetic shell set composite with pinhole arrangement to complete recto-vaginal fistula, the foreign body adopting sutures to bring can be avoided like this to stimulate the feces can avoided again around fistula mouth, the pollutant containing a large amount of antibacterial such as intestinal juice are immersed in the tissue around fistula mouth along the gap between sutures and tissue, greatly alleviate infection and the inflammatory edema of fistula mouth surrounding tissue, and when adopting the magnetic shell complex with pinhole arrangement to realize the repairing of fistula mouth, anastomotic position bears progressive magnetic squeeze force, more be conducive to the repairing of fistula mouth under inflammatory edema and Infection Status.After the tissue ischemia necrosis of press section comes off, magnetic shell complex can be discharged from vagina together with downright bad slough tissue, can not be detained foreign body in vivo, and fistula mouth repairing position smooth mucosal is complete, does not have cicatrix and generates, greatly can improve prognosis.In addition, conical first pin 13 and conical second pin 23 insert cylindrical second hole 24 after being each passed through the tissue around recto-vaginal fistula 6 and cylindrical first hole 14 can guarantee that squeezing completely, and the squeezing effectively avoiding squeezing tissue recoil to cause is not thorough.
Claims (10)
1., for a closed repair apparatus for recto-vaginal fistula, it is characterized in that, comprising:
First pin hole shell (1), its main body is the first shell (12) end face being provided with the arc of the first groove (16) along arc length trend, and the two ends of the first shell (12) are provided with first connecting portion (11) of connecting axle (15);
Second pin hole shell (2), its main body is the second housing (22) end face being provided with the arc of the second groove (26) along arc length trend, the two ends of second housing (22) are provided with second connecting portion (21) of connecting hole (25), wherein connecting hole (25) is for be connected with connecting axle (15) thus the both ends realizing the first pin hole shell (1) and the second pin hole shell (2) connect, and after connecting, the second pin hole shell (2) can rotate around connecting axle (15);
First magnet (3), close-fitting is embedded in the first groove (16), and surface and the first shell (12) end face level;
Second magnet (4), close-fitting is embedded in the second groove (26), and surface and second housing (22) end face level.
2. according to claim 1 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, the trough rim position described first shell (12) being positioned at the first groove (16) is provided with taper shape first pin (13) and cylindrical first hole (14) of uniform intervals distribution; The trough rim position described second housing (22) being positioned at the second groove (26) is provided with taper shape second pin (23) and cylindrical second hole (24) of uniform intervals distribution; Wherein, cylindrical first hole (14) is for inserting conical second pin (23), cylindrical second hole (24) for inserting conical first pin (13), thus realizes the first pin hole shell (1) and is connected with the end face of the second pin hole shell (2).
3. according to claim 1 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described first pin hole shell (1) and the second pin hole shell (2) use metal material or processing of high molecular material.
4. according to claim 3 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described metal material is the alloy of steel, ferrum, copper or steel, ferrum, copper; Described macromolecular material is acrylic resin or rigid plastics.
5. according to claim 1 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described first pin hole shell (1) is all identical with the size shape of the second pin hole shell (2), described first groove (16) is all identical with the size shape of the second groove (26), and described first magnet (3) is all identical with the size shape of the second magnet (4).
6. according to claim 1 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described first magnet (3) and the second magnet (4) adopt different permanent magnet material processing.
7. according to claim 6 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described permanent magnet material is Ferrite Material, samarium-cobalt material, NdFeB material or aluminum nickel cobalt material.
8. according to claim 6 or 7 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, the surface of described first magnet (3) and the second magnet (4) all adopts nickel plating, zinc-plated, nickel-clad copper nickel, titanium-nitride, coating diamond-like or the process of plating politef.
9. according to claim 2 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, described conical first pin (13) vertebra point, is uniformly distributed on the sidewall of the first groove (16) both sides outwardly; Described conical second pin (23) vertebra point, is uniformly distributed on the sidewall of the second groove (26) both sides outwardly, and described taper shape first pin (13) and conical second pin (23) size, shape are identical.
10. according to claim 2 or 9 for the closed repair apparatus of recto-vaginal fistula, it is characterized in that, the size of described cylindrical first hole (14) and cylindrical second hole (24), shape is identical, described cylindrical first hole (14) is specular with the position of cylindrical second hole (24), so that conical second pin (23) can be inserted into cylindrical first hole (14) the inside when device closes, described cylindrical second hole (24) is specular with the position of conical first pin (13), so that conical first pin (13) can be inserted into cylindrical second hole (24) the inside when device closes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410041152.6A CN103829980B (en) | 2014-01-28 | 2014-01-28 | A kind of closed repair apparatus for recto-vaginal fistula |
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CN201410041152.6A CN103829980B (en) | 2014-01-28 | 2014-01-28 | A kind of closed repair apparatus for recto-vaginal fistula |
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CN103829980A CN103829980A (en) | 2014-06-04 |
CN103829980B true CN103829980B (en) | 2015-08-26 |
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CN201410041152.6A Active CN103829980B (en) | 2014-01-28 | 2014-01-28 | A kind of closed repair apparatus for recto-vaginal fistula |
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Families Citing this family (2)
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CN104398281B (en) * | 2014-11-27 | 2017-02-22 | 史源 | Primary-secondary type surgical anastomosis magnetic ring |
CN107928735B (en) * | 2017-11-30 | 2020-04-28 | 西安交通大学医学院第一附属医院 | Anastomosis device for repairing tracheoesophageal fistula |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1297237C (en) * | 2004-06-03 | 2007-01-31 | 西安交通大学 | Auxiliary ring for surgical anastomosis |
US20090143793A1 (en) * | 2007-11-29 | 2009-06-04 | Nanyang Technological University | Connector for surgical anastomoses |
CN101889884A (en) * | 2010-06-13 | 2010-11-24 | 西安交通大学 | Magnetic device for repairing first-stage intestinal fistula |
CN102068292A (en) * | 2011-01-28 | 2011-05-25 | 西安交通大学 | Magnetic device suitable for anastomosing small vessels |
CN102068293A (en) * | 2011-01-28 | 2011-05-25 | 西安交通大学 | Magnetic device applied to anastomosis of large and medium blood vessels |
CN102232855A (en) * | 2011-04-11 | 2011-11-09 | 西安交通大学 | Magnetic anastomat device for single-port laparoscopic colorectal resection |
CN102451025A (en) * | 2012-02-06 | 2012-05-16 | 徐忠法 | Magnetic force compressing anastomosis ring |
CN202875417U (en) * | 2012-11-15 | 2013-04-17 | 刘丽娜 | Capillary anastomat |
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