CN109157253B - Improved intestinal cavity anastomat - Google Patents
Improved intestinal cavity anastomat Download PDFInfo
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- CN109157253B CN109157253B CN201811308581.XA CN201811308581A CN109157253B CN 109157253 B CN109157253 B CN 109157253B CN 201811308581 A CN201811308581 A CN 201811308581A CN 109157253 B CN109157253 B CN 109157253B
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for 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
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
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Abstract
The invention discloses an improved intestinal cavity anastomat which comprises an outer cylinder, a first inner cylinder, a second inner cylinder, a pull rod, a top arranged at the upper end of the pull rod, an anastomosis line and an ice making mold, wherein the outer cylinder, the first inner cylinder, the second inner cylinder and the pull rod are sequentially coaxially sleeved from outside to inside and are mutually attached. When the intestinal cavity anastomat is used for performing intestinal cavity anastomosis, the annular line, the short line and the super absorbent resin ball which are in a frozen state can be used for performing anastomosis on an annular intestinal incision, the suturing efficiency is improved, the residues of anastomosis materials in a human body are few and are easy to discharge, the generation of operation complications is reduced, metal nails do not need to be degraded, the injury to the human body is small, the anastomosis blood stopping effect can be achieved, postoperative anastomotic bleeding is prevented, and secondary operations are avoided.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an improved intestinal cavity anastomat.
Background
Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. According to different application ranges, the surgical stapler can be mainly divided into a skin stapler, a circular stapler for digestive tracts (esophagus, stomach and intestine and the like), a rectal stapler, a circular hemorrhoid stapler, a circumcision stapler, a blood vessel stapler, a hernia stapler, a lung cutting stapler and the like.
The prior art discloses a nail abutting seat assembly with replaceable rows of stitching nails for a disposable linear anastomat, which is a matching device of the disposable linear anastomat, and the disposable linear anastomat matched with the replaceable rows of stitching nails is particularly suitable for sealing stumps and incisions in gastrointestinal tract operations. Comprises a nail abutting seat, a nail abutting seat and a positioning pin; the nail abutting seat is provided with a nail abutting seat mounting and positioning boss, a nail abutting seat clamping groove and a guide head, a nail abutting seat clamping plate positioning hole is formed in the nail abutting seat, and the nail abutting seat is mounted in the nail abutting seat clamping plate at the front part of the disposable linear anastomat and is mounted and positioned through a positioning pin; the nail abutting seat is provided with a forming groove with a plurality of rows of staples, the upper end part of the nail abutting seat is provided with a positioning insertion hole, the lower end part of the nail abutting seat is provided with a positioning boss, and the positioning boss is matched with the clamping groove of the nail abutting seat when being installed. The rear side of the nail abutting seat is provided with a nail abutting seat mounting positioning groove which is matched with the nail abutting seat mounting positioning boss of the nail abutting seat when being mounted.
The prior art discloses a conjoined absorbable biological nail self-penetrating anorectal and gastrointestinal anastomat, which comprises a kiss-cutting assembly, a percussion handle assembly and a screw rod assembly penetrating through the kiss-cutting assembly, wherein a nail abutting seat assembly is installed at one end of the screw rod assembly, an adjusting nut assembly is arranged at the other end of the screw rod assembly, a fixed handle assembly is installed at the tail of the kiss-cutting assembly, the nail abutting seat assembly is provided with a nail abutting seat and a knife backing ring, the knife backing ring is installed on the nail abutting seat, the kiss-cutting assembly comprises an annular knife, a nail bin sleeve, a nail pushing sheet and a nail bin fixed at the front end of the nail bin sleeve, a plurality of anastomotic nails made of biodegradable materials are arranged in the nail bin, the head of each anastomotic nail is provided with a nail head, the tail of each anastomotic nail abuts against the head end of the nail, and pressing caps capable of clamping the anastomotic nails are arranged on the positions corresponding to the. The anastomosis nail has a self-penetrating function, can be degraded in a human body, and avoids the phenomenon of operation sequelae caused by retention of the anastomosis nail in the human body.
The existing anastomat is generally anastomosed by adopting metal anastomotic nails or degradable material devices, the metal anastomotic nails can be remained in a human body for a long time and easily cause intestinal cavity stenosis, the devices prepared by the degradable materials are generally large, the food intake and digestion of a patient are seriously influenced before degradation, and the collapsed devices can cause damage to the intestines and stomach of the human body.
Disclosure of Invention
The improved intestinal cavity anastomat provided by the embodiment of the invention is convenient to use when performing anastomosis on an intestinal cavity, does not need to degrade metal nails, has small harm to a human body, can play a role in stopping blood in an operation, and prevents hemorrhage of an anastomotic stoma after the operation.
In order to achieve the purpose, the invention provides an improved intestinal cavity anastomat which comprises an outer cylinder, a first inner cylinder, a second inner cylinder, a pull rod, a top head and an anastomosis line, wherein the outer cylinder, the first inner cylinder, the second inner cylinder and the pull rod are sequentially coaxially sleeved from outside to inside and are mutually attached; the top head comprises an elastic base, an elastic cover body covering the elastic base and a connecting ring connected to the inner periphery of the middle part of the elastic cover body, and the top end of the pull rod extends into the upper part of the elastic base and is connected with the connecting ring through a connecting rod; the anastomotic line comprises an annular line, a plurality of short lines connected to the annular line at intervals and a high-water-absorption resin ball connected to the free end of the short lines, the outer cylinder body and the first inner cylinder body and the second inner cylinder body can be staggered relatively along the axial direction, a space for placing the frozen anastomotic line is formed between the outer cylinder body and the second inner cylinder body, and a plurality of holes for penetrating the frozen short lines, the high-water-absorption resin ball and water are formed in the elastic base.
Optionally, the intestinal cavity anastomat further comprises an ice making mold, the ice making mold comprises an annular groove for placing an annular line and water, and a plurality of strip-shaped grooves connected to the lower end of the annular groove and used for placing a short line, a super absorbent resin ball and water, the inner diameter of the annular groove is larger than that of the second inner cylinder, and the outer diameter of the annular groove is smaller than that of the outer cylinder.
Optionally, a handle is arranged at the lower end of the pull rod.
Optionally, the super absorbent resin ball is a starch grafted acrylate polymer cross-linked product or an acrylamide-acrylate copolymer cross-linked product.
Optionally, the end of the strip-shaped groove is set to be a tip.
Optionally, 10 to 12 short lines are arranged on the annular line at intervals.
Optionally, the elastic base and the elastic cover body are made of polypropylene resin.
Optionally, the connecting ring and the connecting rod are steel wires.
Optionally, the size of the super absorbent resin balls is 0.1-0.8mm, and the size of the super absorbent resin balls after water absorption is 5-10 mm.
Optionally, the frozen strands, super absorbent resin beads and water contain tranexamic acid for hemostasis.
The embodiment of the invention has the following advantages:
when the intestinal cavity anastomat provided by the embodiment of the invention is used for performing intestinal cavity anastomosis, annular intestinal incisions can be anastomosed by using the frozen annular lines, the short lines and the super absorbent resin balls, so that the suturing efficiency is improved, the residues of anastomosis materials in a human body are few and are easy to discharge, the generation of surgical complications is reduced, metal nails do not need to be degraded, the injury to the human body is small, the hemostasis effect on an anastomotic orifice can be realized, and the postoperative anastomotic orifice bleeding is prevented.
Drawings
Fig. 1 is a schematic structural diagram of an intestinal lumen stapler provided in embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of an anastomosis line provided in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of an ice making mold according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of the intestinal lumen anastomat provided in embodiment 1 of the invention after anastomosis of the intestinal lumen.
In the figure:
1 outer cylinder, 2 first inner cylinder, 3 second inner cylinder
4 draw bar 5 top 51 elastic base
52 elastic cover body 53 connecting ring 54 connecting rod
6 handle 71 loop 72 short line
Annular groove of 81 ice making die for 73 super absorbent resin ball 8
82-strip-shaped groove 511 perforated 7 anastomosis line
100 intestinal cavity
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial changes in the technical contents.
Example 1
The embodiment provides an improved intestinal cavity anastomat, as shown in fig. 1-3, the intestinal cavity anastomat comprises an outer cylinder body 1, a first inner cylinder body 2, a second inner cylinder body 3, a pull rod 4, a top 5 and an anastomosis line 7, wherein the outer cylinder body 1, the first inner cylinder body 2, the second inner cylinder body 3 and the pull rod 4 are sequentially coaxially sleeved from outside to inside and are mutually attached; the ejector 5 comprises an elastic base 51, an elastic cover body 52 covered on the elastic base 51 and a connecting ring 53 connected to the inner periphery of the middle part of the elastic cover body 52, and the top end of the pull rod 4 extends into the upper part of the elastic base 51 and is connected with the connecting ring 53 through a connecting rod 54; the anastomotic line 7 comprises an annular line 71, a plurality of short lines 72 connected to the annular line 71 at intervals and a high water absorption resin ball 73 connected to the free end of the short lines 72, the outer cylinder 1 and the first inner cylinder 2 and the second inner cylinder 3 can be staggered relatively along the axial direction, so that a space for placing the frozen anastomotic line 7 is formed between the outer cylinder 1 and the second inner cylinder 3, and the elastic base 51 is provided with a plurality of openings 511 for passing through the frozen short lines 72, the high water absorption resin ball 73 and water. The intestinal cavity anastomat further comprises an ice-making mold 8, wherein the ice-making mold 8 comprises an annular groove 81 used for placing the annular line 71 and water, and a plurality of strip-shaped grooves 82 connected to the lower end of the annular groove 81 and used for placing the short line 72, the super absorbent resin ball 73 and the water, the inner diameter of the annular groove 81 is larger than that of the second inner barrel body 3, and the outer diameter of the annular groove 81 is smaller than that of the outer barrel body 1.
The intestinal cavity anastomat of the embodiment is used as follows: the short line 72 of the anastomotic line 7 and the super absorbent resin balls 73 as shown in fig. 2 are first placed in the strip-shaped groove 82 of the ice making mold 8, then the annular line 71 is placed in the annular groove 72, then the ice making mold is placed in the freezer to be rapidly frozen, so that the super absorbent resin balls are rapidly cooled, then water is injected into the ice making mold without the water absorbent resin swelling by absorbing water, and then the ice making mold is placed in the freezer to rapidly freeze water therein. Then, a long strip-shaped opening is arranged in the vicinity of the cut part of one section of the intestinal cavity, the outer cylinder body 1 and the top head 5 shown in figure 1 extend into the intestinal cavity from the long strip-shaped opening and pass through the cut part, the top head 5 enters another section of the intestinal cavity, then, the outer cylinder body 1 and the top head 5 are pulled open, the first inner cylinder body 2 is staggered with the outer cylinder body 1 and the second inner cylinder body 3, a gap for accommodating the anastomotic line 7 after freezing is formed between the outer cylinder body 1 and the second inner cylinder body 3, then, the joint of the two sections of the intestinal cavity 100 is folded inwards and is plugged between the top head 5 and the outer cylinder body 1 according to the figure 4, then, the handle 6 is pulled downwards to enable the pull rod 4 to clamp the folded part, then, the first inner cylinder body 2 is pushed to enable the short line 72 of the anastomotic line 7 after freezing and the high water absorption resin ball 73 to rapidly pass through the folded part and enter the opening 511 of the elastic base 51, then, the handle 6 is pulled downwards to enable the connecting, The connecting ring 53 and the elastic cover 52 are contracted inward and downward while at the same time the elastic base 51 is contracted inward and upward to break icicles at the outer periphery of the short string 72, preventing the short string and the super absorbent resin ball from being pulled back. With the melting of the frozen anastomosis wire 7 along with the body temperature, the super absorbent ball resin ball 73 rapidly absorbs water and swells in the elastic base 51, at the moment, as shown in fig. 1, one side of the folded part of the two intestinal cavities 100 is fixed by the annular line 71, the other side is fixed by the super absorbent ball resin 73 which absorbs water and swells, and the super absorbent ball resin ball 73 which absorbs water and swells extrudes the folded part of the intestinal cavity 100 to tightly connect the two intestinal cavities 100, and then the strip-shaped opening is sewn. When the two sections of intestinal cavities 100 are connected in about 7-15 days, the patient resumes eating, the high-hydroscopicity resin ball 73 is knocked down to be excreted by the collision of the food flowing in the intestines, and the short line 72 and the annular line 71 can also automatically fall off in the intestinal cavities.
When the intestinal cavity anastomat provided by the embodiment of the invention is used for performing intestinal cavity anastomosis, the annular intestinal incision can be anastomosed by using the frozen annular line, the short line and the super absorbent resin ball, so that the suturing efficiency is improved, the residues of anastomosis materials in vivo are few and are easy to discharge, and the occurrence of postoperative complications is reduced.
Example 2
This embodiment provides a super absorbent resin ball, for example, the super absorbent resin ball 73 is a starch graft acrylate polymer cross-linked product or an acrylamide-acrylate copolymer cross-linked product, and the two cross-linked products have the characteristics of high water absorption speed, high water absorption capacity, high strength and being not easily decomposed.
Example 3
This embodiment provides bar groove and annular line, the tip of bar groove 82 sets up to the pointed end to make produced icicle in bar groove 82 have the pointed end, pass the turn-up department of intestinal lumen easily, the interval is provided with 10-12 stub 72 on the annular line 71, thereby improves the fastness of intestinal lumen turn-up department connection.
Example 4
In this embodiment, the material is provided, and the elastic base 51 and the elastic cover 52 are made of polypropylene resin, so that the elastic base 51 and the elastic cover 52 have certain elasticity and rigidity. The connecting ring 53 and the connecting rod 54 are steel wires, so that the connecting ring 53 and the connecting rod 54 also have certain elasticity and rigidity, and the convenience in use of the elastic base, the elastic cover body, the connecting ring and the connecting rod is improved.
Example 5
The embodiment provides the size of the super absorbent resin balls 73, the size of the super absorbent resin balls 73 is 0.1-0.8mm, and the size of the super absorbent resin balls 73 after absorbing water is 5-10mm, so that the super absorbent resin balls 73 can pass through the folded part of the intestinal lumen, and the super absorbent resin balls 73 after absorbing water can be fixed on the other side of the folded part of the intestinal lumen, so that the intestinal lumen can be just anastomosed, and the method is convenient and fast.
In addition, the frozen short thread 72, the super absorbent resin ball 73 and the water may contain tranexamic acid for hemostasis, thereby facilitating hemostasis, and the tranexamic acid is easy to dissolve in the water and may be added appropriately.
When the intestinal cavity anastomat provided by the embodiment of the invention is used for performing intestinal cavity anastomosis, the annular intestinal incision can be anastomosed by using the frozen annular line, the short line and the super absorbent resin ball, so that the suturing efficiency is improved, the residues of anastomosis materials in vivo are few and are easy to discharge, and the occurrence of postoperative complications is reduced.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The improved intestinal cavity anastomat is characterized by comprising an outer cylinder body (1), a first inner cylinder body (2), a second inner cylinder body (3), a pull rod (4), a top head (5) and an anastomosis line (7), wherein the outer cylinder body (1), the first inner cylinder body (2), the second inner cylinder body (3) and the pull rod (4) are coaxially sleeved from outside to inside and are mutually attached; the ejector head (5) comprises an elastic base (51), an elastic cover body (52) covered on the elastic base (51) and a connecting ring (53) connected to the inner periphery of the middle part of the elastic cover body (52), and the top end of the pull rod (4) extends into the upper part of the elastic base (51) and is connected with the connecting ring (53) through a connecting rod (54); the anastomosis thread (7) comprises an annular thread (71), a plurality of short threads (72) connected to the annular thread (71) at intervals and a high-water-absorption resin ball (73) connected to the free end of the short threads (72), the outer cylinder (1) and the first inner cylinder (2) and the second inner cylinder (3) can be staggered relatively along the axial direction, so that a space for placing the frozen anastomosis thread (7) is formed between the outer cylinder (1) and the second inner cylinder (3), a plurality of open holes (511) for penetrating the frozen short threads (72), the high-water-absorption resin ball (73) and water are formed in the elastic base (51), the intestinal cavity anastomat further comprises an ice-making die (8) for freezing, the ice-making die (8) comprises an annular groove (81) for placing the annular thread (71) and the water, and an annular groove (72) and a water ball (73) connected to the lower end of the annular groove (81) for placing the short threads (72), A high water absorption resin ball (73) and a plurality of strip-shaped grooves (82) for water, the inner diameter of the annular groove (81) is larger than that of the second inner cylinder body (3), the outer diameter of the annular groove (81) is smaller than the inner diameter of the outer cylinder body (1), an annular intestinal incision which is matched with the annular groove is performed by utilizing an annular line (71), a short line (72) and a super absorbent resin ball (73) which are in a frozen state, the short lines (72) of the anastomotic line (7) and the super absorbent resin balls (73) are placed in strip-shaped grooves (82) of an ice making mold (8), then the annular line (71) is placed in an annular groove (81), then the ice-making mould (8) is put into a freezer for fast freezing to lead the super absorbent resin balls (73) to be fast cooled, then, water is injected into the ice-making mold (8) without swelling of the water-absorbent resin after water absorption, and then the ice-making mold (8) is placed in a freezer to rapidly freeze the water therein.
2. Intestinal cavity stapler according to claim 1, characterized in that the lower end of the pull rod (4) is provided with a handle (6).
3. The intestinal luminal anastomat of claim 1, wherein the super absorbent resin spheres (73) are starch grafted acrylate polymer cross-links or acrylamide-acrylate copolymer cross-links.
4. The intestinal lumen anastomat of claim 1, wherein the end of the strip-shaped groove (82) is provided as a tip.
5. The intestinal lumen anastomat of claim 1, wherein 10-12 short wires (72) are arranged on the annular wire (71) at intervals.
6. The intestinal stapler according to claim 1, characterized in that the elastic base (51) and the elastic cover (52) are polypropylene resin.
7. The intestinal lumen stapler according to claim 1, wherein the connecting ring (53) and the connecting rod (54) are steel wires.
8. Intestinal lumen stapler according to claim 1, characterized in that the frozen state short thread (72), super absorbent resin ball (73) and water contain tranexamic acid for hemostasis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811308581.XA CN109157253B (en) | 2018-11-05 | 2018-11-05 | Improved intestinal cavity anastomat |
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|---|---|---|---|
| CN201811308581.XA CN109157253B (en) | 2018-11-05 | 2018-11-05 | Improved intestinal cavity anastomat |
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| CN109157253A CN109157253A (en) | 2019-01-08 |
| CN109157253B true CN109157253B (en) | 2020-10-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646067B (en) * | 2019-02-28 | 2024-02-23 | 上海交通大学医学院附属第九人民医院 | Vascular anastomat |
| CN111407346B (en) * | 2020-04-02 | 2020-12-22 | 王建龙 | Intestinal closure device |
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| CN108095789A (en) * | 2018-02-05 | 2018-06-01 | 赵舒 | A kind of degradable anastomotic component and the stapler with the degradable anastomotic component |
| CN108670387A (en) * | 2018-07-25 | 2018-10-19 | 南京医科大学附属逸夫医院 | Treat the ti-ni shape memory alloy briar tooth nail and its application method of dislocation of acromioclavicular joint |
| CN109077768A (en) * | 2018-08-10 | 2018-12-25 | 西安卓恰医疗器械有限公司 | A kind of medical degradable stapler and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243715C2 (en) * | 1992-12-23 | 1994-09-29 | Stefan Koscher | Surgical instrument |
| US5919199A (en) * | 1998-01-14 | 1999-07-06 | Mers Kelly; William Charles | Suture device |
| US20050033417A1 (en) * | 2003-07-31 | 2005-02-10 | John Borges | Coating for controlled release of a therapeutic agent |
| EP1870046A1 (en) * | 2006-06-22 | 2007-12-26 | Roche Diagnostics GmbH | Bendable apparatus to introduce a medical apparatus in the body |
| JP6525668B2 (en) * | 2015-03-27 | 2019-06-05 | テルモ株式会社 | Medical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095789A (en) * | 2018-02-05 | 2018-06-01 | 赵舒 | A kind of degradable anastomotic component and the stapler with the degradable anastomotic component |
| CN108670387A (en) * | 2018-07-25 | 2018-10-19 | 南京医科大学附属逸夫医院 | Treat the ti-ni shape memory alloy briar tooth nail and its application method of dislocation of acromioclavicular joint |
| CN109077768A (en) * | 2018-08-10 | 2018-12-25 | 西安卓恰医疗器械有限公司 | A kind of medical degradable stapler and preparation method thereof |
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