CN107485418B

CN107485418B - Pancreas intestine anastomat

Info

Publication number: CN107485418B
Application number: CN201710652621.1A
Authority: CN
Inventors: 张宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-02
Filing date: 2017-08-02
Publication date: 2020-08-11
Anticipated expiration: 2037-08-02
Also published as: CN107485418A

Abstract

The invention relates to the field of medical instruments, in particular to a pancreaticojejunostomy device. Including pancreas fixed part, intestines tube fixed part, pancreas liquid drainage tube, drainage tube fixed part and adjustment unit, pancreas fixed part passes through adjustment unit with intestines tube fixed part and can dismantle and be connected, the pancreas fixed part cover is established on the pancreas surface, the fixed setting of drainage tube fixed part is at intestines tube fixed part middle part, intestines tube fixed part sets up inside the intestines tube, intestines tube fixed part offsets with intestines tube internal surface, pancreas liquid drainage tube wears to establish in drainage tube fixed part central point department, pancreas liquid drainage tube intercommunication intestines tube inside and pancreas inside. Connect pancreas fixed part and intestines tube fixed part fixedly through adjusting part, adjust adjusting part control pancreas section and intestinal serous layer and contact closely, reach the coincide of intestines tube mucous membrane to the pancreas mucous membrane, through the fixed pancreatic juice drainage tube of drainage tube fixed part, inside intercommunication intestines tube and pancreas, the realization is gone into the intestines with pancreatic juice from the pancreas water conservancy diversion.

Description

Pancreas intestine anastomat

Technical Field

The invention relates to the field of medical instruments, in particular to a pancreaticojejunostomy device.

Background

At present, pancreatic cancer is known as 'king of cancer', the incidence rate of the pancreatic cancer is increased year by year, the effective therapy is the main operation mode of pancreas duodenectomy, pancreas duodenectomy is also used for treating pancreas head tumor, duodenal papillary tumor, ampulla tumor, duodenal descending tumor and the like, and the pancreatic cancer is the most important operation in abdominal surgery. Six organs in the area of the pancreas, duodenum and pancreas were resected and three anastomoses of the pancreas, the gallbladder and the stomach were performed. Because the pancreatic tissue is very fragile, the secreted pancreatic juice has a very strong corrosion effect, and the pancreatic fistula caused by the failure of the pancreatic-intestinal anastomosis is a difficult problem troubling pancreatic surgeons. The pancreaticostomy is the most serious complication and the main cause of death after pancreaticoduodenectomy, and recent researches show that the complication is up to 20 percent, the death rate is up to 20 to 50 percent, and the success or failure of the pancreaticostomy is the most important factor influencing the occurrence of the postoperative pancreatic fistula.

Disclosure of Invention

The invention aims to provide a pancreaticotomy anastomoses device, which solves the problem of long time for pancreaticotomy anastomosis.

The technical scheme for solving the technical problems is as follows: the utility model provides a pancreas intestines anastomat, includes pancreas fixed part, intestines tube fixed part, pancreas liquid drainage tube, drainage tube fixed part and adjusting part, pancreas fixed part with intestines tube fixed part passes through the connection can be dismantled to the adjusting part, pancreas fixed part cover is established on the pancreas surface, drainage tube fixed part is fixed to be set up intestines tube fixed part middle part, intestines tube fixed part sets up inside the intestines tube, intestines tube fixed part offsets with intestines tube internal surface, pancreas liquid drainage tube is worn to establish drainage tube fixed part central point puts the department, pancreas liquid drainage tube intercommunication intestines tube is inside with the pancreas.

Further, still include the support frame, the support frame sets up inside the pancreas, the support frame surface offsets with the pancreas internal surface, the support frame with pancreas fluid drainage tube end fixed connection or integrated into one piece.

Further, the pancreas fixing part is an annular constrictive clamping band.

Further, the annular tightening clamp band is made of methyl vinyl silicone rubber material.

Further, the intestinal canal fixing part is of an annular structure.

Further, the intestine fixing member is made of a methyl vinyl silicone rubber material.

Furthermore, the drainage tube fixing part comprises a center ring and at least two spokes, the center ring is sleeved at the center position of the intestinal tube fixing part, one ends of the spokes are fixedly arranged on the outer surface of the center ring, the other ends of the spokes are fixedly arranged on the inner surface of the intestinal tube fixing part, the pancreatic juice drainage tube is arranged in the center ring in a penetrating mode, and the support frame is connected with the center ring. .

Furthermore, a blood guide groove is arranged on the center ring.

Further, the pancreatic juice drainage tube is sleeved in the central ring, and the pancreatic juice drainage tube is detachably clamped with the central ring.

Further, the adjusting part includes joint fixed part and stretching strap, stretching strap one end is fixed to be set up on the pancreas fixed part, the joint fixed part is fixed to be set up on the intestines tube fixed part, be provided with evenly distributed's barb on the stretching strap, the barb with joint fixed part formula joint can be relieved.

The invention provides a pancreas and intestine anastomat which comprises a pancreas fixing part, an intestine fixing part, a pancreas liquid drainage tube, a drainage tube fixing part and an adjusting part, wherein the pancreas fixing part is detachably connected with the intestine fixing part through the adjusting part, the pancreas fixing part is sleeved on the outer surface of a pancreas, the drainage tube fixing part is fixedly arranged in the middle of the intestine fixing part, the intestine fixing part is arranged in an intestine, the intestine fixing part is abutted against the inner surface of the intestine, the pancreas liquid drainage tube is arranged at the center of the drainage tube fixing part in a penetrating mode, and the pancreas liquid drainage tube is communicated with the inside of the intestine and the inside of the pancreas. Like this, when using, pancreas fixed part cover is established on the pancreas surface, intestines tube fixed part offsets with intestines tube inner wall and sets up inside the intestines tube, at this moment, connect pancreas fixed part and intestines tube fixed part fixedly through adjusting part, adjust adjusting part control pancreas and intestines tube intimate contact, reach the identical of mucous membrane to the mucous membrane, and through the fixed pancreas liquid drainage tube of drainage tube fixed part, inside pancreas liquid drainage tube intercommunication intestines tube and pancreas, the realization is gone into the intestines tube with pancreas liquid from the pancreas water conservancy diversion. Compared with the prior art, the method has the advantages that: the utility model provides a pancreas intestines anastomat simple structure, reducible operation time reduces anesthesia and operation time, reduces the anesthesia and strikes, avoids operation time overlength, reduces the operation and bleeds, brings operation stress and anesthesia risk for the patient, avoids the emergence of pancreas fistula.

Drawings

FIG. 1 is a schematic view of an overall structure of a pancreaticojejunostomy device according to the present invention;

FIG. 2 is a schematic view of the connection between an intestinal canal fixing component and a drainage tube fixing component of the pancreaticojejunostomy instrument of the invention;

FIG. 3 is a schematic view of a pancreaticojejunostomy center ring structure according to the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of a pancreaticojejunostomy center ring of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. intestinal canal fixed part, 2 pancreas fixed part, 3, stretching strap, 4, joint fixed part, 5, center ring, 6, spoke, 7, pancreatic juice drainage tube, 8, support frame, 9, lead the blood groove.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the present invention provides a pancreatic and intestinal canal anastomat, which comprises a pancreatic fixing part 2, an intestinal canal fixing part 1, a pancreatic juice drainage tube 7, a drainage tube fixing part and an adjusting part, wherein the pancreatic fixing part 2 is detachably connected with the intestinal canal fixing part 1 through the adjusting part, the pancreatic fixing part 2 is sleeved on the outer surface of a pancreas, the drainage tube fixing part is fixedly arranged in the middle of the intestinal canal fixing part 1, the intestinal canal fixing part 1 is arranged in the intestinal canal, the intestinal canal fixing part 1 is abutted against the inner surface of the intestinal canal, the pancreatic juice drainage tube 7 is arranged at the center of the drainage tube fixing part in a penetrating manner, and the pancreatic juice drainage tube 7 is communicated with the inside of the intestinal canal and the inside of the pancreas. Like this, when using, pancreas fixed part 2 cover is established on the pancreas surface, intestines tube fixed part 1 offsets with the intestines tube inner wall and sets up inside the intestines tube, at this moment, connect pancreas fixed part 2 and intestines tube fixed part 1 fixedly through adjusting part, adjust adjusting part control pancreas and intestines tube intimate contact, reach the identical of mucous membrane to the mucous membrane, and through the fixed pancreas liquid drainage tube 7 of drainage tube fixed part, inside pancreas liquid drainage tube 7 intercommunication intestines tube and pancreas, the realization is gone into the intestines tube with the pancreas liquid from the pancreas water conservancy diversion. Compared with the prior art, the method has the advantages that: the utility model provides a pancreas intestines anastomat simple structure, reducible operation time reduces anesthesia and operation time, reduces the anesthesia and strikes, avoids operation time overlength, reduces the operation and bleeds, brings operation stress and anesthesia risk for the patient, avoids the emergence of pancreas fistula.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the pancreas drainage device is characterized by further comprising a support frame 8, wherein the support frame 8 is arranged inside a pancreas, the outer surface of the support frame 8 abuts against the inner surface of the pancreas, and the support frame 8 is fixedly connected with the end part of the pancreatic juice drainage tube 7 or integrally formed with the end part of the pancreatic juice drainage tube 7. Thus, the support frame 8 is arranged in the pancreas, the support frame 8 can play a good supporting role on the pancreas, so that the position of the pancreatic duct of the pancreas is supported, and the supporting effect of the support frame 8 is matched with the tightening effect of the pancreas fixing part 2, so that the pancreas can obtain a good fixing effect; the further preferred technical scheme is as follows: the support frame 8 is a metal support frame/a coating film support frame/a soluble support frame. The three stents are expanded and then unfolded, so that the side pressure can be applied to the peripheral wall of a pancreatic duct, and the matching of the pancreatic duct and the mucosa of the intestinal mucosa to the mucosa can be achieved when the pancreatic duct is anastomosed, and the pancreatic duct and the mucosa of the intestinal mucosa can not retract; after the coated stent is implanted into a body, the medicine can be slowly released, scar tissues are inhibited from growing around the stent, the pancreatic duct of pancreas is kept smooth, and the generation of pancreatic duct calculus is prevented; a soluble scaffold. The further preferred technical scheme is as follows: the pancreatic juice drainage tube 7 is made of methyl vinyl silicone rubber material. Therefore, the methyl vinyl silicone rubber is an absorbable material, has good structural stability, can avoid the shedding of the plastic pancreatic duct support, foreign body reaction, rejection reaction and the generation of choledocholithiasis calculus after operation, and has firm structure.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the pancreas fixing part 2 is an annular tightening clamping band. Like this, when the annular constrictive cassette is used, can determine the elasticity of the annular constrictive cassette according to the volume of pancreas, it is convenient to adjust, increases the range of application, and further preferred technical scheme is: the annular tightening clamp band is made of methyl vinyl silicone rubber material. Therefore, the methyl vinyl silicone rubber is an absorbable material, has good structural stability, can avoid the shedding of the plastic pancreatic duct support, foreign body reaction, rejection reaction and the generation of choledocholithiasis calculus after operation, has firm structure and great use value and social value.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the intestinal canal fixing part 1 is of a circular ring-shaped structure. Like this, intestines tube fixed part 1 is ring form structure, and the equal big area of intestines tube fixed part 1 can be supported to the laminating intestines tube inner wall of ring form structure, effectively increases the area of contact of intestines tube and pancreas, realizes the anastomotic strength of mucous membrane to the mucous membrane. The further preferred technical scheme is as follows: the intestine fixing member 1 is made of a methyl vinyl silicone rubber material. Therefore, the methyl vinyl silicone rubber is an absorbable material, has good structural stability, can avoid the shedding of the plastic pancreatic duct support, foreign body reaction, rejection reaction and the generation of choledocholithiasis calculus after operation, has firm structure and great use value and social value.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the drainage tube fixing part comprises a central ring 5 and at least two spokes 6, the central ring 5 is sleeved at the central position of the intestinal tube fixing part 1, one ends of the spokes 6 are fixedly arranged on the outer surface of the central ring 5, the other ends of the spokes 6 are fixedly arranged on the inner surface of the intestinal tube fixing part 1, and the pancreatic juice drainage tube 7 is arranged in the central ring 5 in a penetrating manner. Like this, the centre ring 5 cover is established in the pancreatic juice drainage tube 7 outside to press from both sides tight pancreatic juice drainage tube 7, for better fixed pancreatic juice drainage tube 7, centre ring 5 is connected fixedly through two at least spokes 6 with intestines pipe fixed part 1, and spoke 6 can alleviate the whole quality of the part that is used for fixed intestines pipe as far as under the prerequisite of guaranteeing joint strength, alleviates the burden of intestines pipe. The further preferred technical scheme is as follows: the center ring is provided with a blood guide groove 9. Thus, the blood guide groove 9 is arranged on the central ring, so that sufficient blood supply is provided between the pancreas and the intestinal canal, the nutrition required by the growth of the tissue between the pancreas and the intestinal canal is ensured, and the healing of the tissue is facilitated. The further preferred technical scheme is as follows: the blood guiding groove 9 is S-shaped. Therefore, the contact area between the blood supply and the intestinal canal is greatly increased, the nutrition required by the growth of the tissue between the pancreas and the intestinal canal is more facilitated, and the healing of the tissue is facilitated.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the pancreatic juice drainage tube 7 is sleeved in the central ring 5, and the pancreatic juice drainage tube 7 is detachably clamped with the central ring 5. Therefore, as the pancreatic juice drainage tube 7 is detachably clamped with the central ring 5, when the pancreatic juice drainage tube 7 is fixed, the pancreatic juice drainage tube 7 can be fixed only by clamping the pancreatic juice drainage tube 7 into the central ring 5.

As shown in fig. 1-4, the pancreatico-intestinal tube anastomat of the present invention may further include, on the basis of the technical solutions described above: the adjusting part comprises a clamping fixing part 4 and a drawstring 3, wherein one end of the drawstring 3 is fixedly arranged on the pancreas fixing part 2, the clamping fixing part 4 is fixedly arranged on the intestinal canal fixing part 1, barbs which are uniformly distributed are arranged on the drawstring 3, and the barbs and the clamping fixing part 4 can be released for clamping. Like this, intestines tube fixed part 1 and pancreas fixed part 2 carry out the joint through joint fixed part 4 and barb and fix, and when using, realize the identical between intestines tube fixed part 1 and pancreas fixed part 2 mucous membrane through the quantity of adjusting barb joint fixed part 4, and it is convenient to adjust, saves operating time. It can be understood that: the joint mode can be other embodiments in position, and stretching strap 3 is bar structure, is provided with evenly distributed's barb on the stretching strap, and joint fixed part 4 includes two cardboards, and two cardboards symmetry are articulated to be set up, and two cardboards are opened the direction and are the direction that stretching strap 3 got into, and like this, 3 only allowws the card of stretching strap are advanced to the cardboard can inject, realizes stretching strap 3 and joint fixed part 4 fixed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A pancreaticojejunostomy device characterized in that: the pancreas intestine drainage tube comprises a pancreas fixing part (2), an intestine fixing part (1), a pancreatic juice drainage tube (7), a drainage tube fixing part and an adjusting part, wherein the pancreas fixing part (2) is detachably connected with the intestine fixing part (1) through the adjusting part, the pancreas fixing part (2) is sleeved on the outer surface of a pancreas, the drainage tube fixing part is fixedly arranged in the middle of the intestine fixing part (1), the intestine fixing part (1) is arranged inside an intestine, the intestine fixing part (1) abuts against the inner surface of the intestine, the pancreatic juice drainage tube (7) is arranged at the central position of the drainage tube fixing part in a penetrating manner, and the pancreatic juice drainage tube (7) is communicated with the inside of the intestine and the inside of the pancreas; the adjusting part comprises a clamping fixing part (4) and a drawstring (3), one end of the drawstring (3) is fixedly arranged on the pancreas fixing part (2), the clamping fixing part (4) is fixedly arranged on the intestinal canal fixing part (1), barbs which are uniformly distributed are arranged on the drawstring (3), and the barbs are connected with the clamping fixing part (4) in a releasable manner.

2. The pancreaticojejunostomy device of claim 1, wherein: the pancreas drainage tube is characterized by further comprising a support frame (8), wherein the support frame (8) is arranged inside a pancreas, the outer surface of the support frame (8) is abutted to the inner surface of the pancreas, and the support frame (8) is fixedly connected with the end part of the pancreas drainage tube (7) or integrally formed.

3. The pancreaticojejunostomy device of claim 1, wherein: the pancreas fixing part (2) is an annular constrictive clamping band.

4. The pancreaticojejunostomy device of claim 3, wherein: the annular tightening clamp band is made of methyl vinyl silicone rubber material.

5. The pancreaticojejunostomy device of claim 1, wherein: the intestinal canal fixing part (1) is of a circular ring-shaped structure.

6. The pancreaticojejunostomy device of claim 5, wherein: the intestinal canal fixing part (1) is made of methyl vinyl silicone rubber materials.

7. The pancreaticojejunostomy device of claim 2, wherein: drainage tube fixed part includes center ring (5) and two at least spokes (6), center ring (5) cover is established intestines tube fixed part (1) central point department of putting, spoke (6) one end is fixed to be set up on center ring (5) surface, spoke (6) other end is fixed to be set up on intestines tube fixed part (1) internal surface, pancreatic juice drainage tube (7) are worn to establish in center ring (5), support frame (8) with center ring (5) are connected.

8. The pancreaticojejunostomy device of claim 7, wherein: the center ring (5) is provided with a blood guide groove (9).

9. The pancreaticojejunostomy device of claim 7, wherein: the pancreatic juice drainage tube (7) is sleeved in the central ring (5), and the pancreatic juice drainage tube (7) is detachably clamped with the central ring (5).