CN110742665A - Anorectal anastomat for preventing anastomotic stenosis - Google Patents
Anorectal anastomat for preventing anastomotic stenosis Download PDFInfo
- Publication number
- CN110742665A CN110742665A CN201910709589.5A CN201910709589A CN110742665A CN 110742665 A CN110742665 A CN 110742665A CN 201910709589 A CN201910709589 A CN 201910709589A CN 110742665 A CN110742665 A CN 110742665A
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- CN
- China
- Prior art keywords
- nail
- stop
- cap
- anorectal
- rod
- 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.)
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Links
- 206010051268 Anastomotic stenosis Diseases 0.000 title abstract description 12
- 208000031481 Pathologic Constriction Diseases 0.000 claims abstract description 6
- 230000036262 stenosis Effects 0.000 claims abstract description 4
- 208000037804 stenosis Diseases 0.000 claims abstract description 4
- 210000000436 anus Anatomy 0.000 claims description 4
- 210000000936 intestine Anatomy 0.000 claims description 4
- 230000036285 pathological change Effects 0.000 claims description 2
- 231100000915 pathological change Toxicity 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 22
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000002980 postoperative effect Effects 0.000 abstract description 4
- 230000001575 pathological effect Effects 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 15
- 230000003872 anastomosis Effects 0.000 description 3
- 208000014617 hemorrhoid Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010002150 Anal dilatation Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010879 hemorrhoidectomy Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an anorectal anastomat for preventing anastomotic stoma stenosis, which comprises an anastomat body, a nail bin assembly arranged on the anastomat body and a nail abutting seat assembly arranged on the nail bin assembly, wherein the nail abutting seat assembly comprises a nail abutting seat, a cover cap and a connecting rod, the connecting rod is arranged in the anastomat body, a blocking rod is connected to the nail abutting seat and is arranged in parallel with the connecting rod, and the blocking rod is in contact with normal tissues to form an anastomotic stoma opening after anastomotic cutting of pathological tissues. Through the mode, the anorectal anastomat for preventing anastomotic stenosis can solve the problem of postoperative anastomotic stenosis and reduce secondary injury to patients.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an anorectal anastomat for preventing anastomotic stenosis.
Background
The PPH operation, namely the anastomat hemorrhoidectomy, is suitable for various hemorrhoids, in particular for patients with severe internal hemorrhoids and partial rectal mucosa prolapse. The anastomosis hole left after the operation of the anastomat used in the PPH operation is finished at present is a closed ring shape, and the anastomosis hole stenosis is easily caused. post-PPH anastomotic stenosis is one of the postoperative complications. Mild to moderate strictures can be treated by means of digital anal dilatation, while severe strictures require treatment by surgery. But any treatment mode is a secondary injury to the patient, and the treatment method wastes time and labor and increases the burden of the patient.
Disclosure of Invention
The invention mainly solves the technical problem of providing the anorectal anastomat for preventing the anastomotic stenosis, can solve the problem of postoperative anastomotic stenosis, and reduces secondary injury to patients.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a prevent narrow anus intestines anastomat of anastomotic stoma, includes the ware body, installs the nail storehouse subassembly on the ware body and installs the nail seat subassembly that supports on the nail storehouse subassembly, support the nail seat subassembly including supporting nail seat, block cap and connecting rod, the connecting rod is installed in the ware body, the shelves pole is connected on supporting the nail seat to be parallel arrangement with the connecting rod, the shelves pole contacts with normal tissue in order to form the anastomotic stoma opening after the pathological change tissue osculating.
In a preferred embodiment of the invention, the bottom of the stop lever is inserted into the nail bin assembly, and the upper part of the stop lever is fixedly connected with the nail abutting seat.
In a preferred embodiment of the invention, the stop lever is disposed on an outer circumference proximate to a bottom surface of the cap.
In a preferred embodiment of the invention, the stop lever comprises an outer side surface and an inner side surface which are convex outwards along the radial direction of the bottom surface of the cap, and a left side surface and a right side surface which are arranged at the left end and the right end of the outer side surface and the inner side surface, and the parts of the outer side surface and the left side surface and the right side surface facing outwards contact with normal tissues to stop the normal tissues to form an anastomotic stoma opening after osculating diseased tissues.
In a preferred embodiment of the present invention, the outer side surface and the inner side surface are arc-shaped surfaces, and the left side surface and the right side surface are semicircular surfaces.
In a preferred embodiment of the invention, the number of the stop levers is 1, and the stop levers are arranged at any position of the outer circumference of the bottom surface of the cap.
In a preferred embodiment of the invention, the number of the stop levers is 2, and the stop levers are symmetrically connected to the bottom surface of the cap.
In a preferred embodiment of the present invention, the number of the blocking rods is 3, and the blocking rods are uniformly distributed around the center of the circle where the bottom surface of the cap is located.
In a preferred embodiment of the present invention, the nail cartridge assembly includes a nail cartridge and a nail cartridge sleeve, the upper surface of the nail cartridge is correspondingly provided with a mounting hole matched with the blocking rod, and the bottom of the blocking rod is inserted into the mounting hole to fix the blocking rod.
In a preferred embodiment of the present invention, the cap is in a circular truncated cone structure, and the width of the stopper rod is 6 mm.
The invention has the beneficial effects that: the anorectal anastomat for preventing anastomotic stenosis can solve the problem of postoperative anastomotic stenosis and reduce secondary injury to patients.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a preferred embodiment of an anorectal stapler of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the nail seat assembly;
FIG. 4 is a schematic structural view of the cartridge assembly;
FIG. 5 is a partial view of the lever;
FIG. 6 is a partial schematic view of another preferred embodiment of the anorectal stapler of the present invention;
FIG. 7 is a schematic view of a portion of the structure of FIG. 6;
FIG. 8 is a schematic view of a portion of the structure of FIG. 6;
FIG. 9 is a partial schematic view of another preferred embodiment of the anorectal anastomosis device of the present invention
FIG. 10 is a schematic view of a portion of the structure of FIG. 9;
FIG. 11 is a schematic view of a portion of the structure of FIG. 9;
FIG. 12 is a schematic view of the structure of the anastomotic orifice formed by the anorectal stapler of the present invention;
FIG. 13 is a schematic view of the structure of the anastomotic orifice formed by the anorectal stapler according to another preferred embodiment of the present invention;
FIG. 14 is a schematic view of the structure of the anastomotic orifice formed by the anorectal stapler according to another preferred embodiment of the present invention;
FIG. 15 is a schematic view of the structure of the stoma formed by the existing anorectal stapler;
the parts in the drawings are numbered as follows: 1. The nail pushing device comprises a device body, 2, a nail bin assembly, 21, a nail bin, 22, a nail bin sleeve, 23, a mounting hole, 3, a nail pushing seat assembly, 31, a cover cap, 32, a connecting rod, 33, a nail pushing seat, 4, a stop rod, 41, an outer side face, 42, an inner side face, 43, a left side face, 44, a right side face, 5 and an opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In embodiment 1, referring to fig. 1 to 5, an anorectal stapler includes a body 1, a staple cartridge assembly 2 mounted on the body 1, and a staple abutting seat assembly 3 mounted on the staple cartridge assembly 2, wherein the staple abutting seat assembly 3 includes a staple abutting seat 33, a cap 31, and a connecting rod 32, the connecting rod 32 is mounted in the body 1, a blocking rod 4 is connected to the staple abutting seat 33 and is parallel to the connecting rod 32, and the blocking rod 4 contacts with a normal tissue to block the normal tissue to form an anastomotic stoma opening after the diseased tissue is anastomosed. The connection relation and the connection structure among the anastomat body 1, the nail bin assembly 2 and the nail abutting seat assembly 3 are the same as those of the existing anorectal anastomat.
In addition, the bottom of the stop lever 4 is inserted into the nail bin assembly 2, and the upper part of the stop lever is fixedly connected with the nail abutting seat.
In addition, a stopper 4 is provided on the outer circumference near the bottom surface of the cap 31.
In addition, the stop lever 4 comprises an outer side surface 41 and an inner side surface 42 which are protruded outwards along the radial direction of the bottom surface of the cap 31, and a left side surface 43 and a right side surface 44 which are arranged at the left end and the right end of the outer side surface 41 and the inner side surface 42, wherein the outward parts of the outer side surface 41, the left side surface 42 and the right side surface 43 are contacted with normal tissues to stop the normal tissues to form anastomotic stoma openings after osculating of lesion tissues, and the number of the openings 5 is 1.
The outer surface 41 and the inner surface 42 are arc-shaped surfaces, and the left surface 43 and the right surface 44 are semicircular surfaces.
In addition, the nail bin assembly 2 comprises a nail bin 21 and a nail bin sleeve 22, a mounting hole 23 matched with the blocking rod 4 is correspondingly formed in the upper surface of the nail bin 21, and the bottom of the blocking rod 2 is inserted into the mounting hole 23 to fix the blocking rod 2.
In addition, the cap 31 is in a circular truncated cone structure, and the length of the stop lever 4 is 6 mm.
When the instrument is used, the tissue is pulled up from two sides of the stop rod 4, and then the tissue is cut off. The doctor normally ties and keeps in the tissue fender on shelves pole 4 behind the pocket, tightens up the suture and pulls out through the empty drawing in storehouse side, the incision reservation mouth of 11-15mm is reserved to the wound after the osculating, because the bars 4 can block some tissues, make original annular anastomotic stoma change into the open anastomotic stoma of "C" word, thereby release anastomotic stoma tension, can effectually avoid anastomotic stoma stenosis, last anastomotic stoma is as shown in figure 12, figure 15 is the anastomotic stoma that current anus intestines anastomat formed, this application and current anus intestines anastomat contrast, anastomotic stoma has opening 5 and has enlarged the anastomotic stoma.
In embodiment 2, referring to fig. 6 to 8, the number of the blocking rods is 2, the blocking rods 4 are symmetrically connected to the bottom surface of the cap 31, the cartridge assembly 2 includes a cartridge 21 and a cartridge sleeve 22, two mounting holes 23 corresponding to the blocking rods 4 are formed in the upper surface of the cartridge 21, the bottoms of the blocking rods 4 are inserted into the mounting holes 23 to fix the blocking rods 4, and the number of the finally formed anastomotic openings is 2 as shown in fig. 13. The rest is the same as example 1.
In embodiment 3, referring to fig. 9 to 11, the number of the blocking rods 4 is 3, the blocking rods 4 are uniformly distributed at intervals around the center of the circle where the bottom surface of the cap 31 is located, the nail cartridge assembly 2 includes a nail cartridge 21 and a nail cartridge sleeve 22, three mounting holes 23 matched with the blocking rods 4 are correspondingly formed in the upper surface of the nail cartridge 21, the bottom of the blocking rod 2 is inserted into the mounting holes 23 to fix the blocking rods 4, and finally, as shown in fig. 14, the number of the openings 5 is 3. The rest is the same as example 1.
Different from the prior art, the anorectal anastomat for preventing anastomotic stenosis can solve the problem of postoperative anastomotic stenosis and reduce secondary injury to patients.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a prevent anus intestines anastomat of anastomotic stoma stenosis, includes the ware body, installs the nail storehouse subassembly on the ware body and installs the nail seat subassembly that supports on the nail storehouse subassembly, its characterized in that, support the nail seat subassembly including supporting nail seat, block cap and connecting rod, the connecting rod is installed in the ware body, the shelves pole is connected on supporting the nail seat to be parallel arrangement with the connecting rod, the shelves pole contacts with normal tissue in order to form the anastomotic stoma opening after the pathological change tissue osculating.
2. The anorectal anastomat of claim 1, wherein the bottom of the stop rod is inserted into the nail cartridge assembly, and the upper part of the stop rod is fixedly connected with the nail abutting seat.
3. The anorectal stapler of claim 2 wherein the stop bar is disposed on an outer circumference proximate to a bottom surface of the cap.
4. The anorectal stapler of claim 3 wherein the stop bar comprises an outer side surface and an inner side surface which are protruded outwards along the radial direction of the bottom surface of the cap, and a left side surface and a right side surface which are arranged at the left end and the right end of the outer side surface and the inner side surface, and the parts of the outer side surface and the left side surface and the right side surface facing outwards contact with normal tissues to stop the normal tissues.
5. The anorectal stapler of claim 4 wherein the outer side surface and the inner side surface are arc-shaped surfaces, and the left side surface and the right side surface are semi-circular surfaces.
6. The anorectal stapler of claim 5 wherein the number of the stop rods is 1, the stop rods are arranged at any position on the outer circumference of the bottom surface of the cap, and the number of the openings is 1.
7. The anorectal stapler of claim 5 wherein the number of the stop rods is 2, the stop rods are symmetrically connected to the bottom surface of the cap, and the number of the openings is 2.
8. The anorectal stapler of claim 5 wherein the number of the stop bars is 3, the stop bars are evenly distributed around the center of the circle where the bottom surface of the cap is located, and the number of the openings is 3.
9. The anorectal stapler according to any one of claims 1 to 8, wherein the cartridge assembly comprises a cartridge and a cartridge sleeve, a mounting hole matched with the stopper rod is correspondingly formed in the upper surface of the cartridge, and the bottom of the stopper rod is inserted into the mounting hole to fix the stopper rod.
10. The anorectal stapler of claim 9 wherein the cap is in a circular truncated cone structure, and the width of the stop rod is 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709589.5A CN110742665A (en) | 2019-08-02 | 2019-08-02 | Anorectal anastomat for preventing anastomotic stenosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709589.5A CN110742665A (en) | 2019-08-02 | 2019-08-02 | Anorectal anastomat for preventing anastomotic stenosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110742665A true CN110742665A (en) | 2020-02-04 |
Family
ID=69275874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709589.5A Withdrawn CN110742665A (en) | 2019-08-02 | 2019-08-02 | Anorectal anastomat for preventing anastomotic stenosis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110742665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674843A (en) * | 2021-02-02 | 2021-04-20 | 山东省千佛山医院 | Partial arc cutting anastomat |
| CN117814863A (en) * | 2024-01-31 | 2024-04-05 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Gastrointestinal anastomosis device with a covered stent capable of preventing anastomotic leakage or stenosis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057251A1 (en) * | 2001-09-26 | 2003-03-27 | Hartwick Darrell J. | Method of sequentially firing staples using springs and a rotary or linear shutter |
| CN103800044A (en) * | 2014-02-28 | 2014-05-21 | 无锡市舒康医疗器械有限公司 | Coincident cutting assembly of cannular anastomat |
| CN205286433U (en) * | 2015-11-17 | 2016-06-08 | 江苏孜航精密五金有限公司 | Nail storehouse subassembly of disposable anus intestines cutting anastomat |
| CN105682730A (en) * | 2013-10-31 | 2016-06-15 | 伊西康公司 | Therapy delivery device for anastomotic joining of tissue |
| CN106214204A (en) * | 2016-07-08 | 2016-12-14 | 常州创捷微创医疗器械有限公司 | For treating the nail-head component of hemorrhoid TST anastomat |
-
2019
- 2019-08-02 CN CN201910709589.5A patent/CN110742665A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057251A1 (en) * | 2001-09-26 | 2003-03-27 | Hartwick Darrell J. | Method of sequentially firing staples using springs and a rotary or linear shutter |
| CN105682730A (en) * | 2013-10-31 | 2016-06-15 | 伊西康公司 | Therapy delivery device for anastomotic joining of tissue |
| CN103800044A (en) * | 2014-02-28 | 2014-05-21 | 无锡市舒康医疗器械有限公司 | Coincident cutting assembly of cannular anastomat |
| CN205286433U (en) * | 2015-11-17 | 2016-06-08 | 江苏孜航精密五金有限公司 | Nail storehouse subassembly of disposable anus intestines cutting anastomat |
| CN106214204A (en) * | 2016-07-08 | 2016-12-14 | 常州创捷微创医疗器械有限公司 | For treating the nail-head component of hemorrhoid TST anastomat |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674843A (en) * | 2021-02-02 | 2021-04-20 | 山东省千佛山医院 | Partial arc cutting anastomat |
| CN112674843B (en) * | 2021-02-02 | 2021-10-26 | 山东省千佛山医院 | Partial arc cutting anastomat |
| CN117814863A (en) * | 2024-01-31 | 2024-04-05 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Gastrointestinal anastomosis device with a covered stent capable of preventing anastomotic leakage or stenosis |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200204 |
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