CN201263697Y

CN201263697Y - Intestinal anastomosis ring with lock fixation

Info

Publication number: CN201263697Y
Application number: CNU2008201032832U
Authority: CN
Inventors: 刘忠臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-04
Filing date: 2008-08-04
Publication date: 2009-07-01
Anticipated expiration: 2018-08-04

Abstract

A lock catch enteropexy anastomosis ring relates to an anastomosis apparatus, in particular to a lock catch enteropexy anastomosis ring used for bowel surgeries after total gastrectomy, which causes no bowel anastomotic leakage, no anastomotic stenosis and no foreign matter residue on the anastomosis opening and little reflux and ensuring unobstructed passing of contents and low medical expenses. The lock catch enteropexy anastomosis ring is provided with an inner ring, an outer ring and an elastic ring, wherein the bottom of the inner ring is provided with an annular outward groove, the upper part of the annular outward groove is provided with an annular groove; the lower part of the outer ring is provided with an annular inward convex hook which is inosculated and adapted with the annular outward groove arranged on the bottom of the inner ring; the annular inward convex hook is provided with an annular scarf; the elastic ring is arranged between the annular groove and the annular scarf; and the annular inward convex hook arranged on the lower part of the outer ring forms lock catch connection with the annular outward groove arranged on the lower part of the inner ring.

Description

Lock fixation intestine anastomosis ring

Technical field

This utility model relates to a kind of anastomosis apparatus, especially relates to a kind of lock fixation intestine anastomosis ring that is used for the gut surgery after the total gastrectomy.

Background technology

After the total gastrectomy operation, must carry out coincideing between intestinal portion and the esophagus, but after existing anastomat coincide, anastomotic fistula, anastomotic stricture often occur, backflow and influence complication such as food passes through, and existing anastomat expense be higher.

The tubulose stapler formula anastomat of using (for example CDH25 type anastomat of Johnson Co.'s product) is to turn over double peg stitching in the far and near intestinal tube together at present, therefore the narrow ring that the healing back forms no Telescopic causes anastomotic fistula, anastomotic stricture, backflows and influences complication such as food passes through.

Publication number provides elastic force loop-tie-up setting-ring instrument in a kind of esophagogastric cavity for the application for a patent for invention of CN1036898, and the interior elastic force loop-tie-up setting-ring instrument of this esophagogastric cavity is specially adapted to the anastomose esophagus stomach operation after the esophageal carcinoma, the cardiac cancer excision.It by body, handle, throw-out collar mechanism, put pipe (stay pipe) mechanism and form, put pipe and work asynchronously with throw-out collar.Use this apparatus to do the anastomose esophagus stomach postoperative and do not leave over suture material at the anastomotic stoma place, anastomotic stoma is tight, thereby helps preventing the generation of fistula of operative incision and anastomotic stricture, uses this instrumentation easy, is easy to grasp, and saves time.

Summary of the invention

The purpose of this utility model is the deficiency that exists at anastomosis apparatuses such as existing tubulose stapler formula anastomats, provides that a kind of postoperative intestinal anastomotic stoma leakage, no anastomotic stricture do not take place, backflows less, content does not have the lock fixation intestine anastomosis ring that foreign body is residual, medical expense is lower by smooth and easy, anastomotic stoma.

This utility model is provided with internal ring, outer shroud and elastic ring, and the internal ring bottom is provided with annular to outer channel, is provided with annular groove in annular to outer channel top; The outer shroud bottom is provided with annular to the convex hook, annular connects to the outer channel kissing to convex hook and the annular of being located at the internal ring bottom, annular is provided with annular concave ditch to the convex hook, elastic ring is located between annular groove and the annular concave ditch, and the annular of being located at the outer shroud bottom forms snap close to the convex hook with the outside groove of the annular of being located at the internal ring bottom and is connected.

Internal ring top can be provided with at least 2 internal ring and vertically run through ditch, internal ring runs through vertically that ditch is corresponding to be divided at least 2 interior ring plates with internal ring top, internal ring top preferably is provided with 6～12 internal ring verticals and runs through ditch, and internal ring runs through vertically that ditch is corresponding to be divided into 6～12 interior ring plates with internal ring top.

The outer shroud bottom can be provided with at least 2 outer shrouds and vertically run through ditch, outer shroud runs through vertically that ditch is corresponding to be divided at least 2 outer ring plates with the outer shroud lower part, the outer shroud bottom preferably is provided with 6～12 outer shroud verticals and runs through ditch, and outer shroud runs through vertically that ditch is corresponding to be divided into 6～12 outer ring plates with the outer shroud lower part.

On elastic ring, preferably be provided with ring-shaped groove, to prevent the intestinal wall ischemia.

Elastic ring preferably adopts rubber ring, for example acrylonitrile-butadiene rubber ring etc.

During use, because esophagus or thin intestinal tube are placed in interior ring surface, the intestinal tube section can be fixed in outwards groove of internal ring lower end annular with absorbable thread, the small intestinal section is pricked fixing with absorbable thread and elasticity circumferential weld, place the annular of outer shroud bottom in the convex hook together with the intestinal wall ecto-entad elastic ring, outer shroud is inserted to internal ring, the annular that makes the internal ring outside to outer channel and outer shroud lower annular to convex hook-forming snap close, elastic ring is fixed between internal ring and the outer shroud, make internal ring, outer shroud and far and near intestinal tube form stable fixed structure, far and near end intestinal tube promptly forms sleeve type and coincide, and the intestinal wall serous coat contacts with serous coat, the about 1～1.2cm of interface width.Usually internal ring and outer shroud can decompose automatically after 10 days and come off, and per anum is discharged, after rubber ring comes off also per anum discharge, esophagus forms sleeve type with intestinal tube and heals.The advantage of this healing is no narrow, ne-leakage, anti-backflowing, and can not influence passing through of food simultaneously, and anastomotic stoma does not have foreign body residual.Therefore adopt the method for being inserted in, cover colludes the lock connection mutually, fixed three loops of middle elastic ring (or claiming doubling ring) close by internal and external double-circular, be convenient to the contact of intestinal serous coat, make thin or the near-end intestinal tube is fixed with the internal ring binding, the far-end intestinal tube is put into by elastic ring and is fixed with inner and outer ring, far and near intestinal tube is inserted in fixing healing, no stitching.

Description of drawings

Fig. 1 is the structural representation of this utility model embodiment.

Fig. 2 is the internal ring perspective view of this utility model embodiment.

Fig. 3 is the internal ring top structure sketch map of this utility model embodiment.

Fig. 4 is the cutaway view of the internal ring of this utility model embodiment.

Fig. 5 is the outer shroud perspective view of this utility model embodiment.

Fig. 6 is the structural representation of the outer shroud annular of this utility model embodiment to convex hook and annular concave ditch.

Fig. 7 is the outer shroud top structure sketch map of this utility model embodiment.

Fig. 8 is the A-A profile of Fig. 7.

Fig. 9 is the fixed ring sketch map of this utility model embodiment.

Figure 10 is the elastic ring structural representation of this utility model embodiment.

Figure 11 is the side-looking structural representation of Figure 10.

The specific embodiment

Following examples will form structure of the present utility model in conjunction with the accompanying drawings and using method is further described.

Referring to Fig. 1, this utility model is provided with internal ring 1, outer shroud 2 and elastic ring 3.

Referring to Fig. 2～4, the bottom of internal ring 1 is provided with annular to outer channel 12, is provided with annular groove 13 in annular to outer channel 12 tops, and internal ring 1 top is provided with 10 internal ring and vertically runs through ditch, and internal ring vertically runs through ditch internal ring 1 top is divided into 10 interior ring plates 11.

Referring to Fig. 5～8, outer shroud 2 bottoms are provided with annular to convex hook 21, annular connects (referring to Fig. 1 and 2) to convex hook 21 and the annular of being located at the internal ring bottom to outer channel 12 kissings, annular is provided with annular concave ditch 23 to convex hook 21, outer shroud 2 bottoms are provided with 10 outer shrouds and vertically run through ditch, and outer shroud vertically runs through ditch outer shroud 2 lower parts are divided into 10 outer ring plates 22.

Referring to Fig. 1,4,6, the annular of being located at outer shroud 2 bottoms forms snap close with the annular of being located at internal ring 1 bottom to outer channel 12 to convex hook 21 and is connected.

Referring to Fig. 1 and 9, elastic ring 3 is located between annular groove 13 and the annular concave ditch 23, and elastic ring 3 adopts the acrylonitrile-butadiene rubber ring.

Referring to Figure 10 and 11, on elastic ring 3, be provided with ring-shaped groove 31, to prevent the intestinal wall ischemia.

Outer shroud is inserted to internal ring, the annular that makes the internal ring outside to outer channel and outer shroud lower annular to convex hook-forming snap close, elastic ring is fixed between internal ring and the outer shroud, make internal ring, outer shroud and far and near intestinal tube form stable fixed structure, far and near end intestinal tube promptly forms sleeve type and coincide, the intestinal wall serous coat contacts with serous coat, the about 1～1.2cm of interface width.Usually internal ring and outer shroud can decompose automatically after 10 days and come off, and per anum is discharged, after rubber ring comes off also per anum discharge, esophagus forms sleeve type with intestinal tube and heals.The advantage of this healing is no narrow, ne-leakage, anti-backflowing, and can not influence passing through of food simultaneously, and anastomotic stoma does not have foreign body residual.Therefore adopt the method for being inserted in, cover colludes the lock connection mutually, fixed three loops of middle elastic ring (or claiming doubling ring) close by internal and external double-circular, be convenient to the contact of intestinal serous coat, make thin or the near-end intestinal tube is fixed with the internal ring binding, the far-end intestinal tube is put into by elastic ring and is fixed with inner and outer ring, far and near intestinal tube is inserted in fixing healing, no stitching.

During use, earlier esophagus or thin intestinal tube are placed in internal ring 1 surface, esophagus or intestinal tube section are fixed in outwards groove 12 of internal ring 1 lower end annular with absorbable thread; After again the small intestinal section being fixed with absorbable thread and elastomeric nitrile ring 3 seam bundles, elastomeric nitrile ring 3 is placed in the outer shroud 2 together with the intestinal wall ecto-entad, elastomeric nitrile ring 3 promptly is placed in the ring-shaped groove 31, to push in the outer shroud 3 with esophagus or the thin fixed internal ring 1 of intestinal tube, the annular that makes internal ring 1 bottom is to the ring-shaped groove 31 formation snap closes of outer channel 12 with outer shroud 2 bottoms.At this moment, elastomeric nitrile ring 3 also be fixed in the annular of being located at outer shroud 2 bottoms to convex hook 21 and the annular of being located at internal ring 1 bottom between outer channel 12, make internal ring 1, outer shroud 2 and far and near intestinal tube form stable fixed structure, far and near end intestinal tube promptly forms sleeve type and coincide, the intestinal wall serous coat contacts with serous coat, the about 1～1.2cm of interface width.

Usually internal ring and outer shroud can decompose the also per anum discharge that comes off automatically after 10 days, and per anum was discharged after the elastomeric nitrile ring came off, and esophagus and intestinal tube form sleeve type and heal.The advantage of this healing is no narrow, ne-leakage, anti-backflowing, and can not influence passing through of food simultaneously, and anastomotic stoma does not have foreign body residual.

Claims

1. lock fixation intestine anastomosis ring is characterized in that being provided with internal ring, outer shroud and elastic ring, and the internal ring bottom is provided with annular to outer channel, is provided with annular groove in annular to outer channel top; The outer shroud bottom is provided with annular to the convex hook, and annular connects to the outer channel kissing to convex hook and the annular of being located at the internal ring bottom, and annular is provided with annular concave ditch to the convex hook, and elastic ring is located between annular groove and the annular concave ditch.

2. lock fixation intestine anastomosis ring as claimed in claim 1 is characterized in that internal ring top is provided with at least 2 internal ring and vertically runs through ditch, and internal ring runs through vertically that ditch is corresponding to be divided at least 2 interior ring plates with internal ring top.

3. lock fixation intestine anastomosis ring as claimed in claim 2 is characterized in that internal ring top is provided with 6～12 internal ring verticals and runs through ditch, and internal ring runs through vertically that ditch is corresponding to be divided into 6～12 interior ring plates with internal ring top.

4. lock fixation intestine anastomosis ring as claimed in claim 3 is characterized in that internal ring top is provided with 10 internal ring and vertically runs through ditch, and internal ring runs through vertically that ditch is corresponding to be divided into 10 interior ring plates with internal ring top.

5. lock fixation intestine anastomosis ring as claimed in claim 1 is characterized in that the outer shroud bottom is provided with at least 2 outer shrouds and vertically runs through ditch, and outer shroud runs through vertically that ditch is corresponding to be divided at least 2 outer ring plates with the outer shroud lower part.

6. lock fixation intestine anastomosis ring ring as claimed in claim 5 is characterized in that the outer shroud bottom is provided with 6～12 outer shroud verticals and runs through ditch, and outer shroud runs through vertically that ditch is corresponding to be divided into 6～12 outer ring plates with the outer shroud lower part.

7. lock fixation intestine anastomosis ring as claimed in claim 6 is characterized in that the outer shroud bottom is provided with 10 outer shrouds and vertically runs through ditch, and outer shroud runs through vertically that ditch is corresponding to be divided into 10 outer ring plates with the outer shroud lower part.

8. lock fixation intestine anastomosis ring as claimed in claim 1 is characterized in that being provided with ring-shaped groove on elastic ring.

9. lock fixation intestine anastomosis ring as claimed in claim 1 is characterized in that elastic ring is a rubber ring.

10. lock fixation intestine anastomosis ring as claimed in claim 9 is characterized in that rubber ring is the acrylonitrile-butadiene rubber ring.