CN101579248A

CN101579248A - Invaginated fixed anastomosis ring

Info

Publication number: CN101579248A
Application number: CNA2009101120067A
Authority: CN
Inventors: 刘忠臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-17
Filing date: 2009-06-17
Publication date: 2009-11-18

Abstract

An invaginated fixed anastomosis ring relates to an anastomosis instrument. The invention provides an invaginated fixed anastomosis ring which has simpler structure, shorter operation time, simplified operation program, better fixed anastomosis effect, higher safety and reliability and lower medical expense and is mainly used for the operations of intestine, stomach, oesophagus, gallbladder and the like. The invaginated fixed anastomosis ring is provided with an internal ring and an external ring; the lower part of the internal ring is provided with a connecting ring which is used for being sheathed in the external ring; an arc-shaped concave trough is formed between the connecting ring and the bottom of the internal ring; a convex ring extends from the internal side of the bottom of the external ring; and the convex ring and the arc-shaped concave trough are coincidently connected with each other. As the internal adopts a hard material and the external adopts an elastic material, the external ring can be turned over freely so that the connection between the convex ring on the elastic external ring and the arc-shaped concave trough on the internal ring is more coincident, the combination of the internal ring and the external ring is more reliable, the fixed anastomosis effect is better, the safety and reliability are higher, the operation time is shorter, the operation procedure is simplified further and the required operation expense is lower. The invaginated fixed anastomosis ring can be used for various operations between intestines, between intestine and stomach, between oesophagus and intestine, between oesophagus and stomach, between bile duct and intestine, and the like.

Description

Invaginated fixed anastomosis ring

Technical field

The present invention relates to a kind of anastomosis apparatus, especially relate to a kind of Invaginated fixed anastomosis ring that is used for operations such as intestinal, stomach, esophagus, gallbladder.

Background technology

Operations such as intestinal portion, gallbladder portion are a kind of common operations, especially after the total gastrectomy operation, must carry out coincideing between intestinal portion and the esophagus, after but existing anastomat coincide, anastomotic fistula, anastomotic stricture often occur, backflow and influence complication such as food passes through, and existing anastomat expense is 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.

The applicant provides a kind of sleeve type lock fixation intestine anastomosis ring in the application for a patent for invention of publication number for CN101327142, be provided with internal ring, outer shroud and elastic ring, and the internal ring bottom is provided with outwards hook groove of annular, 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 convex hook and the outside hook groove kissing of 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 hook groove of the annular of being located at the internal ring bottom and is connected.

The applicant provides a kind of invagination type glue ring lock catch fixed intestines fitting ring in the application for a patent for invention of publication number for CN101243987, be provided with elastic ring, internal ring and outer shroud, the internal ring bottom is provided with inwardly groove of annular, the internal ring inboard is provided with loop-hook, the outer shroud bottom is provided with the annular outer groove, the outer shroud lower inside is provided with at least 2 barbs, and the barb of being located at the outer shroud lower inside forms snap close with the loop-hook of being located at the internal ring inboard.

Though 2 described technical schemes of application for a patent for invention of above-mentioned the applicant for gut surgery provides postoperative intestinal anastomotic stoma leakage, no anastomotic stricture do not take place, backflow less, content does not have the apparatus that foreign body is residual, medical expense is lower by smooth and easy, anastomotic stoma, also there are shortcomings such as operating time is long, operation sequence is complicated, the fixed anastomosis effect is not ideal enough, medical expense is low inadequately.

Summary of the invention

The objective of the invention is to also have shortcomings such as operating time is long, operation sequence is complicated, the fixed anastomosis effect is not ideal enough, medical expense is low inadequately at above-mentioned disclosed technical scheme, provide that a kind of structure is more simple, operating time is short, operation sequence is simplified, the fixed anastomosis effect better, security reliability is higher and medical expense is lower, is mainly used in the Invaginated fixed anastomosis ring of operations such as intestinal, stomach, esophagus, gallbladder.

The present invention is provided with internal ring and outer shroud, and the internal ring bottom is provided with the connecting ring that is used to be inserted in outer shroud, forms arc groove between connecting ring and the internal ring bottom, and the outer shroud bottom inside has extended bulge loop, and bulge loop and arc groove kiss connect.

The bottom of described arc groove is preferably the plane.

Described internal ring can adopt the hard material internal ring, for example adopts the rigid plastics internal ring, and the height of internal ring can be 3～6mm.

Described outer shroud is preferably the elasticity outer shroud, for example adopts rubber ring, falope ring or teething ring etc., and rubber ring is acrylonitrile-butadiene rubber ring etc. for example, and the height of outer shroud can be 3～6mm.

Because the design that the present invention adopts sleeve type to coincide, only be provided with internal ring and outer shroud, the internal ring bottom is provided with the connecting ring that is used to be inserted in outer shroud, form arc groove between connecting ring and the internal ring bottom, the bottom of arc groove is the plane, the outer shroud bottom inside has extended bulge loop, and bulge loop and arc groove kiss connect, so the present invention can realize that sleeve type coincide and Two-ring lock button purpose of connecting.Because internal ring adopts hard material, outer shroud adopts elastomeric material, therefore outer shroud can arbitrarily overturn, make being connected of arc groove on bulge loop and the internal ring on the elasticity outer shroud more identical, make internal ring more reliable, the fixed anastomosis better effects if with combining of outer shroud, security reliability is higher, operating time is shorter, and operation sequence is further simplified, and required medical expense is lower.The present invention can be used for intestinal and multiple operations such as intestinal, intestinal and stomach, esophagus and intestinal, esophagus and stomach, bile duct and intestinal.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention.

Fig. 2 is the internal ring cross-sectional view of the embodiment of the invention.

Fig. 3 is the outer shroud cross-sectional view of the embodiment of the invention.

Fig. 4 is the view that the internal ring of the embodiment of the invention is inserted in intestinal tube.

Fig. 5 is the generalized section of Fig. 4.

Fig. 6 is the view of being inserted in intestinal tube after the outer shroud of the embodiment of the invention turns up.

Fig. 7 is the view after turning in Fig. 6.

Schematic flow sheet when Fig. 8 uses for the embodiment of the invention.

View when Fig. 9 uses for the embodiment of the invention.

The specific embodiment

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

Referring to Fig. 1～3, the embodiment of the invention is provided with internal ring 1 and outer shroud 2, internal ring 1 bottom is provided with the connecting ring 11 that is used to be inserted in outer shroud 2, form arc groove 12 between connecting ring 11 and internal ring 1 bottom, the bottom of arc groove 12 is the plane, outer shroud 2 bottom inside have extended bulge loop 21, and bulge loop 21 connects with arc groove 12 kisses.

Internal ring 1 adopts the rigid plastics internal ring, and the height of internal ring 1 is 3～6mm.

Outer shroud 2 adopts the acrylonitrile-butadiene rubber ring, and the height of outer shroud 2 is 3～6mm.

Referring to Fig. 4～8, during use, because esophagus or thin intestinal tube 3 are placed in internal ring 1 surface, intestinal tube 3 sections can be fixed in the arc groove 12 with absorbable thread 5; Small intestinal 4 sections are pricked fixing with absorbable thread 6 and outer shroud 2 seams, to turn in the intestinal wall of outer shroud 2 together with small intestinal 6, and with internal ring 1 socket that fixes intestinal tube 3 sections, the arc groove 12 of internal ring 1 and bulge loop 21 kisses of outer shroud 2 are connect, make internal ring 1, outer shroud 2 and far and near

intestinal tube

3 and 4 form stable fixed structure, far and near end

intestinal tube

3 and 4 promptly forms Invaginated fixed anastomosis, and the intestinal wall serous coat contacts with serous coat, the about 0.4～0.5cm of interface width.Usually internal ring 1 and outer shroud 2 can decompose automatically after about 10 days and come off, and per anum is discharged, and 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.

Schematic flow sheet during use is referring to Fig. 8, and the view after the use is referring to Fig. 9, and the labelling among Fig. 9 is consistent with Fig. 1～8.

Claims

1. Invaginated fixed anastomosis ring is characterized in that being provided with internal ring and outer shroud, and the internal ring bottom is provided with the connecting ring that is used to be inserted in outer shroud, forms arc groove between connecting ring and the internal ring bottom, and the outer shroud bottom inside has extended bulge loop, and bulge loop and arc groove kiss connect.

2. Invaginated fixed anastomosis ring as claimed in claim 1, the bottom that it is characterized in that described arc groove is the plane.

3. Invaginated fixed anastomosis ring as claimed in claim 1 is characterized in that described internal ring is the hard material internal ring.

4. Invaginated fixed anastomosis ring as claimed in claim 3 is characterized in that described hard material internal ring is the rigid plastics internal ring.

5. as claim 1 or 2 or 3 described Invaginated fixed anastomosis rings, the height that it is characterized in that described internal ring is 3～6mm.

6. Invaginated fixed anastomosis ring as claimed in claim 1 is characterized in that described outer shroud is the elasticity outer shroud.

7. Invaginated fixed anastomosis ring as claimed in claim 6 is characterized in that described elasticity outer shroud is rubber ring, falope ring or teething ring.

8. Invaginated fixed anastomosis ring as claimed in claim 7 is characterized in that described rubber ring is the acrylonitrile-butadiene rubber ring.

9. as claim 1 or 6 or 7 described Invaginated fixed anastomosis rings, the height that it is characterized in that outer shroud is 3～6mm.