CN211213314U

CN211213314U - Blood vessel anastomat

Info

Publication number: CN211213314U
Application number: CN201921787927.9U
Authority: CN
Inventors: 任振虎; 季彤; 张陈平
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-11
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a blood vessel anastomat, including first identical sleeve pipe, the identical sleeve pipe in second and lock nail, first identical sleeve pipe and the identical sleeve pipe of second can be dismantled the connection and connect whole truncated fusiformis that is both ends each other symmetrically, and the first identical sleeve pipe and the identical sheathed tube inner tube wall of second cover of overlapping have artificial blood vessel, and the first identical sleeve pipe of coinciding with the second nearly link is equipped with a plurality of anastomotic holes along the even interval of circumference respectively, and the lock nail cooperation is inlayed and is inserted and is locked the blood vessel or artificial blood vessel of cover in the first identical sleeve pipe of coinciding with the second outside of sleeve pipe respectively in the anastomotic hole. The utility model discloses simple structure makes things convenient for the blood vessel operation of coincide, is favorable to improving the blood vessel efficiency of coinciding.

Description

Blood vessel anastomat

Technical Field

The utility model belongs to the technical field of the blood vessel is anastomotic, especially relate to a blood vessel anastomat.

Background

The vascular anastomosis method is a complete manual operation process, and the operation steps probably comprise: blood vessel exposure and other early preparation, blood vessel section trimming, blood vessel end or end side suturing and later operation.

The vascular anastomosis mainly comprises the anastomosis between blood vessels, such as microscopic vascular anastomosis, and the anastomosis between the blood vessels and artificial blood vessels, such as tumor invasion of internal carotid artery, and artificial blood vessel reconstruction of the internal carotid artery after partial internal carotid artery is cut. Due to the flexibility of blood vessels, the existing suture needle type blood vessel anastomosis method has the problems of high operation difficulty and low anastomosis efficiency, and particularly has high requirement on the precision of microscopic operation for the anastomosis of microscopic blood vessels.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a blood vessel anastomat is provided, simple structure makes things convenient for the identical operation of blood vessel, is favorable to improving the identical efficiency of blood vessel.

The utility model provides a technical scheme that its technical problem adopted provides a blood vessel anastomat, including first sleeve pipe, the second that coincide sleeve pipe and lock nail coincide, first sleeve pipe and the second that coincide can dismantle the connection and connect whole truncated fusiformis that is both ends symmetrically each other, the interior pipe wall of the first sleeve pipe that coincide and the second that coincide covers there is artificial blood vessel, the even interval of circumference is equipped with a plurality of anastomotic holes respectively along the first sleeve pipe that coincide of first sleeve pipe and second closely link, the lock nail cooperation is inlayed and is inserted and is locked the blood vessel or artificial blood vessel in the anastomotic hole in the first sleeve pipe that coincide and the second coincide outside of the sleeve pipe respectively.

The connecting end of the first anastomotic cannula and the second anastomotic cannula is provided with a thread structure matched with each other, and the first anastomotic cannula and the second anastomotic cannula are detachably connected in a spiral manner.

The connecting end of the first anastomotic sleeve and the second anastomotic sleeve are respectively provided with a notch and an embedded ring which are in interference fit with each other along the circumferential direction, and the first anastomotic sleeve and the second anastomotic sleeve are in interference fit and embedded connection in a detachable manner.

The close connecting ends of the first anastomosis sleeve and the second anastomosis sleeve are respectively provided with three anastomosis holes at equal intervals along the circumferential direction.

The outer end of the lock nail is provided with a nail cap, and the inner end of the lock nail is provided with an anti-falling structure.

The anti-falling structure is an anti-falling barb or an anti-falling convex ball.

The utility model provides a another technical scheme that its technical problem adopted provides a blood vessel anastomat, including identical sleeve pipe and lock pin, the sleeve pipe that coincide is bilateral symmetry's truncated fusiform, the intraductal wall of identical sleeve pipe covers there is artificial blood vessel, the outer wall that the center point of identical sleeve pipe length direction put is equipped with the identification line along circumference, the even interval of circumference is equipped with a plurality of anastomotic holes respectively in the both sides of the last identification line of identical sleeve pipe, the lock pin cooperation is inlayed and is inserted and is locked the blood vessel or the artificial blood vessel of the identification line both sides of the sleeve pipe outside coincide respectively to the cover in the anastomotic hole.

The two sides of the mark line on the anastomotic casing are respectively provided with three anastomotic holes at equal intervals along the circumferential direction.

Advantageous effects

The utility model discloses in, blood vessel or artificial blood vessel are inserting through the lock pin and are inlaying can realize two sections vascular coincide promptly in the hole that coincide in the sleeve pipe both sides that coincide, and the sleeve pipe that coincide has artificial blood vessel at the inner wall cover, can play the transitional action in two sections vascular anastomotic departments, the utility model discloses simple structure makes things convenient for the operation of blood vessel coincide, is favorable to improving the efficiency that the blood vessel coincide.

Drawings

Fig. 1 is a schematic structural diagram of the connection state of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the split state of embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of the locking pin in the embodiment.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Example 1

A vascular stapler as shown in figures 1, 2 and 4 comprises a first anastomotic sleeve 1, a second anastomotic sleeve 2 and a locking pin 3.

The first anastomosis sleeve 1 and the second anastomosis sleeve 2 are hollow cavity tubes, and the inner tube walls of the first anastomosis sleeve 1 and the second anastomosis sleeve 2 are covered with artificial blood vessels. The first anastomosis sleeve 1 and the second anastomosis sleeve 2 are mutually symmetrically and detachably connected and are integrally connected in a fusiform shape with two truncated ends. The connection between the first anastomosis sleeve 1 and the second anastomosis sleeve 2 can be obtained in a plurality of configurations: for example, the connecting ends of the first anastomosis sleeve 1 and the second anastomosis sleeve 2 are provided with thread structures which are matched with each other, and the first anastomosis sleeve 1 and the second anastomosis sleeve 2 are detachably connected in a screw manner. The connection end of the first anastomosis sleeve 1 and the second anastomosis sleeve 2 is respectively provided with a notch and an embedded ring which are in interference fit with each other along the circumferential direction, and the first anastomosis sleeve 1 and the second anastomosis sleeve 2 are in detachable interference fit embedded connection.

The close connecting ends of the first anastomosis sleeve 1 and the second anastomosis sleeve 2 are respectively provided with three anastomosis holes 4 at even intervals along the circumferential direction, and the locking nails 3 are inserted in the anastomosis holes 4 in a matched manner to respectively lock blood vessels or artificial blood vessels sleeved on the outer sides of the first anastomosis sleeve 1 and the second anastomosis sleeve 2. The outer end of lock nail 3 is equipped with the head of a nail, can prevent that blood vessel from droing from lock nail 3, and the inner of lock nail 3 is equipped with anti-disengaging structure, like anti-disengaging barb or anti-disengaging protruding ball for 3 the inner entering of lock nail coincide and form spacing anti-disengaging structure behind the hole 4, prevent effectively that lock nail 3 from taking place to drop.

When the vascular anastomat is used: selecting different types of vascular anastomats according to the inner diameter of the blood vessel to be anastomosed; connecting the first anastomosis sleeve 1 and the second anastomosis sleeve 2; inserting a first anastomosis sleeve 1 into one lumen of a blood vessel to be anastomosed, and inserting a second anastomosis sleeve 2 into the other lumen of the blood vessel to be anastomosed; adjusting the positions of the two blood vessels sleeved on the first anastomosis sleeve 1 and the second anastomosis sleeve 2 to enable the end parts of the two blood vessels to be in contact butt joint and have proper angles; two blood vessels are respectively fixed on the first anastomosis sleeve 1 and the second anastomosis sleeve 2 by adopting locking nails 3.

Example 2

A vascular stapler as shown in fig. 3 and 4 comprises an anastomotic sleeve 5 and a locking pin 3.

The anastomotic cannula 5 is in a truncated fusiform shape with two symmetrical sides and is in a hollow tube structure, and an artificial blood vessel is covered on the inner tube wall of the anastomotic cannula 5. The outer wall of the center position of the length direction of the anastomosis sleeve 5 is provided with a mark line 6 along the circumferential direction. Three anastomosis holes 4 are uniformly arranged at intervals along the circumferential direction on two sides of a mark line 6 on an anastomosis sleeve 5 respectively, and locking nails 3 are inserted in the anastomosis holes 4 in a matched manner to lock blood vessels or artificial blood vessels on two sides of the mark line 6 sleeved on the outer side of the anastomosis sleeve 5 respectively. The outer end of lock nail 3 is equipped with the head of a nail, can prevent that blood vessel from droing from lock nail 3, and the inner of lock nail 3 is equipped with anti-disengaging structure, like anti-disengaging barb or anti-disengaging protruding ball for 3 the inner entering of lock nail coincide and form spacing anti-disengaging structure behind the hole 4, prevent effectively that lock nail 3 from taking place to drop.

Claims

1. A vascular stapler, characterized in that: including first sleeve pipe (1), the second sleeve pipe (2) and lock nail (3) of coincideing, first sleeve pipe (1) and the second sleeve pipe (2) of coincideing coincide each other can dismantle the connection and connect whole and be the truncated fusiform in both ends, the interior pipe wall of first sleeve pipe (1) and the second sleeve pipe (2) of coincideing covers artificial blood vessel, the nearly link end of first sleeve pipe (1) and the second sleeve pipe (2) of coincideing is equipped with a plurality of anastomotic holes (4) along circumference even interval respectively, lock nail (3) cooperation is inlayed and is inserted and is locked the blood vessel or artificial blood vessel of cover in first sleeve pipe (1) and the second sleeve pipe (2) outside of coincideing in anastomotic hole (4) respectively.

2. A vascular stapler according to claim 1, characterized in that: the connecting end of the first anastomotic cannula (1) and the second anastomotic cannula (2) is provided with a thread structure matched with each other, and the first anastomotic cannula (1) and the second anastomotic cannula (2) are connected in a detachable spiral manner.

3. A vascular stapler according to claim 1, characterized in that: the connection end of the first anastomosis sleeve (1) and the second anastomosis sleeve (2) is respectively provided with a notch and an embedded ring which are in interference fit with each other along the circumferential direction, and the first anastomosis sleeve (1) and the second anastomosis sleeve (2) are in interference fit and embedded connection in a detachable manner.

4. A vascular stapler according to claim 1, characterized in that: the close connection ends of the first anastomosis sleeve (1) and the second anastomosis sleeve (2) are respectively provided with three anastomosis holes (4) at equal intervals along the circumferential direction.

5. A vascular stapler according to claim 1, characterized in that: the outer end of the lock nail (3) is provided with a nail cap, and the inner end of the lock nail is provided with an anti-falling structure.

6. The vascular stapler according to claim 5, wherein: the anti-falling structure is an anti-falling barb or an anti-falling convex ball.

7. A vascular stapler, characterized in that: including coincide sleeve pipe (5) and staple (3), coincide sleeve pipe (5) and be the truncated fusiform of bilateral symmetry, the inner pipe wall that coincide sleeve pipe (5) covers has artificial blood vessel, the outer wall that coincide sleeve pipe (5) length direction's central point put is equipped with identification line (6) along circumference, the both sides of identification line (6) are equipped with a plurality of anastomose hole (4) along circumference even interval respectively on the sleeve pipe that coincide (5), staple (3) cooperation is inlayed and is inserted and is locked the blood vessel or artificial blood vessel of cover in the identification line (6) both sides of coinciding the sleeve pipe (5) outside in anastomose hole (4) respectively.

8. The vascular stapler according to claim 7, wherein: the number of the anastomosis holes (4) is three on two sides of the identification line (6) on the anastomosis sleeve (5) at equal intervals along the circumferential direction.

9. The vascular stapler according to claim 7, wherein: the outer end of the lock nail (3) is provided with a nail cap, and the inner end of the lock nail is provided with an anti-falling structure.

10. The vascular stapler according to claim 9, wherein: the anti-falling structure is an anti-falling barb or an anti-falling convex ball.