CN114533169A

CN114533169A - Multifunctional anastomat for vascular surgery

Info

Publication number: CN114533169A
Application number: CN202210162734.4A
Authority: CN
Inventors: 王恒; 陈琳; 王琳
Original assignee: Henan Provincial Peoples Hospital
Current assignee: Henan Provincial Peoples Hospital
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-05-27

Abstract

The invention discloses a multifunctional anastomat for vascular surgery, which belongs to the field of medical auxiliary instruments and comprises an anastomosis fixing seat and a support ring, wherein the center of the upper end of the anastomosis fixing seat is provided with a fixing seat overturning groove, the center of the bottom of the fixing seat overturning groove is provided with a support ring penetrating groove, the bottom of the support ring penetrating groove is obliquely arranged towards the side surface of the anastomosis fixing seat in a penetrating way, the first end of the support ring is fixedly connected to one side of the anastomosis fixing seat opposite to the bottom of the support ring penetrating groove, two sides of a vascular wound are fixed by the wound fixing seat on the anastomosis fixing seat, then the inner wall of a blood vessel is supported by the support ring, the blood vessel is fixed and then supported, the fixation is ensured in a mounting mode of firstly fixing and then supporting, the fixation on the vascular wound is more firmly, the flow area in the blood vessel is ensured, the normal circulation of blood in the wound during healing is ensured, and the anastomat can adapt to the high-pressure working environment of the blood vessel, the suture repair of the axial wound of the vessel wall is satisfied.

Description

Multifunctional anastomat for vascular surgery

Technical Field

The invention relates to the field of medical auxiliary instruments, in particular to a multifunctional anastomat for vascular surgery.

Background

In vascular surgery, a blood vessel is sometimes operated, and after the operation, the blood vessel needs to be anastomosed, and the anastomat can effectively anastomose the blood vessel, so that a multifunctional anastomat for vascular surgery is needed.

The existing multifunctional anastomat for vascular surgery has the defects that two blood vessels are fixed on an anastomosis ring, the two anastomosis rings are tightly attached for a certain time under the control of the anastomat, then the anastomosis ring is separated from the anastomat and disassembled, the two anastomosis rings are always kept to be anastomosed between the two blood vessels, but the anastomat in the prior art has insufficient anastomosis capacity aiming at an axial opening on the side surface and cannot meet the anastomosis of the side surface injury of the blood vessels, the existing blood vessel anastomat is evolved from a gastrointestinal anastomat, the blood vessels and the stomach and intestine are different in that the pressure applied in the blood conveying process is larger, the contraction rate of the blood vessels is larger, when the anastomat is installed, the contracted blood vessels are not easy to install, and the anastomotic part is easy to be expanded when the internal pressure of the mild blood vessels is increased and expanded, so that the secondary injury is caused, in view of the above problems, there is a need to improve upon the deficiencies of the prior art, and the present invention discloses a multifunctional vascular surgical stapler to solve the above problems.

Disclosure of Invention

The invention aims to provide a multifunctional anastomat for vascular surgery, which can meet various anastomosis requirements of blood vessels, is more firm in anastomosis and adapts to the high-pressure working environment of the blood vessels.

In order to solve the problems, the invention adopts the following technical scheme:

multifunctional anastomat for vascular surgery, including identical fixing base and support ring, the fixing base upset groove has been seted up at identical fixing base upper end center, and the bottom center of fixing base upset groove has seted up the support ring and has run through the groove, the bottom slope that the support ring runs through the groove runs through the setting towards the side of the identical fixing base, the first end fixed connection of support ring runs through one side that the groove bottom is relative with the support ring in the identical fixing base, and the second end of support ring penetrates from the bottom that the support ring runs through the groove, wears out from the center of fixing base upset groove, the articulated wound fixing base of installing in the inner wall both sides of fixing base upset groove, both sides the wound fixing base is L shape structure.

As a preferred scheme of the present invention, T-shaped clamping blocks matched with each other are disposed on both the front and rear sides of the anastomotic fixation seat, and the anastomotic fixation seats are connected by the T-shaped clamping blocks.

As a preferable scheme of the present invention, a central groove is disposed in the center of the outer wall of the support ring, a plurality of non-return ratchet belts are disposed at the bottom of the central groove, non-return latches are disposed at the upper end of the inner wall of the support ring through the groove, and the bottoms of the non-return latches are inserted between two of the non-return ratchet belts.

The utility model provides a blood vessel suture assistor, blood vessel suture assistor and above-mentioned multi-functional anastomat phase-match for vascular surgery, blood vessel suture assistor includes two supplementary clamp plates, and two relative one sides of supplementary clamp plate are provided with the wave pressfitting limit of matcing each other, and the protruding center of putting of wave pressfitting limit department is provided with the threading groove, two supplementary clamp plate card is gone into between two wound fixing bases, and the centre gripping of blood vessel fracture is between two supplementary clamp plates.

The utility model provides an anastomat installation assistor, anastomat installation assistor and above-mentioned anastomat phase-match for multi-functional vascular surgery, anastomat installation assistor is including installation grab handle, two support dead levers, two wound pressure bars, ejecting screw rod and ejecting bull stick, two support the dead lever set up in the one end both sides of installation grab handle, and two support the dead lever and keep away from the one end of installation grab handle and offset with two wound fixing base insides, two wound pressure bars set up along installation grab handle direction activity, and the one end that two wound pressure bars kept away from the installation grab handle offsets with the outside of two wound fixing base respectively, ejecting screw rod threaded connection is in installation grab handle center, and ejecting bull stick sets up in ejecting screw rod and corresponds identical fixing base one side, ejecting bull stick is connected with the support ring end of wearing out fixing base turn-over groove center.

As a preferred scheme of the present invention, one side of the ejection rotating rod corresponding to the ejection screw is fixedly connected with a connecting rotating seat, and the connecting rotating seat is rotatably connected to an end of the ejection screw.

As a preferable scheme of the invention, an elastic pressure plate is arranged between the wound pressure lever and the outer side of the mounting grab handle, and the elastic pressure plate is an elastic steel sheet with two ends hinged.

As a preferred scheme of the invention, the outer side of the supporting and fixing rod is provided with a guide sleeve corresponding to the wound pressure lever, and the wound pressure lever is movably inserted in the guide sleeve.

As a preferred scheme of the present invention, a connection insertion block is disposed on one side of the ejection rotating rod corresponding to the end of the support ring, and a fixing slot matched with the connection insertion block is disposed at the end of the support ring.

As a preferable scheme of the present invention, a plurality of auxiliary insertion blocks are disposed on an outer side of a distal end of the supporting fixing rod, and a plurality of auxiliary insertion holes are disposed on an inward side of the wound fixing seat, and a distance between the auxiliary insertion blocks is equal to a distance between the auxiliary insertion holes, and the auxiliary insertion blocks are matched with the auxiliary insertion holes.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the identical fixing base that sets up, wound fixing base on the fixing base that coincide is fixed with blood vessel wound both sides, then prop up the blood vessel inner wall through the support ring, the mounting means who props up after fixing earlier has guaranteed to the fixing of blood vessel wound under the contraction state, it is more firm to fix, the flow area in the blood vessel has been guaranteed, the blood normal circulation in the wound department blood vessel when having guaranteed to heal up, and can adapt to vascular high pressure operational environment, the repair of sewing up of the axial wound of vascular wall has been satisfied.

(2) This scheme is through two supplementary clamp plates that set up, will be fixed with the wound fixing base upset back of wound, with blood vessel fracture centre gripping between two supplementary clamp plates, is the wave through wave pressfitting limit with the blood vessel fracture of both sides and buckles, then sews up through the threading groove threading, the quick sewing up of the blood vessel wound of being convenient for to wave-shaped wave pressfitting limit can make the stylolite more neat to the direction of needle line, guarantees that the atress of wound department of sewing up is even.

Drawings

Fig. 1 is a perspective view of an anastomosis unit according to the present invention.

Fig. 2 is a perspective view of a plurality of assembled anastomosis units according to the present invention.

FIG. 3 is a sectional view of the assembled multiple anastomotic units of the present invention, when the vessel suturing assistance device is attached thereto.

Fig. 4 is an enlarged view of the invention at a in fig. 3.

FIG. 5 is a top view of the auxiliary device for suturing blood vessels according to the present invention.

Fig. 6 is a partial top sectional view of the auxiliary pressure plate of the present invention.

Fig. 7 is a sectional view showing a structure for fitting the stapler installation aid when the stapling unit of the present invention is installed.

Fig. 8 shows the stapler installation aid of the present invention.

Fig. 9 is a perspective view of the anastomosis unit of the present invention when retracted.

The reference numbers in the figures illustrate:

100. inosculating the fixed seat; 101. a fixed seat overturning groove; 102. the support ring penetrates through the groove; 103. a non-return latch; 200. a support ring; 201. a central recess; 202. a non-return ratchet belt; 300. a wound fixing seat; 301. an auxiliary jack; 400. an auxiliary pressure plate; 401. pressing the edges in a wavy manner; 402. a threading slot; 501. installing a grab handle; 502. supporting the fixed rod; 503. a wound pressure bar; 504. ejecting the screw rod; 505. ejecting the rotating rod; 506. connecting the rotary seat; 507. a guide sleeve; 508. an elastic pressure plate; 509. an auxiliary insertion block; 510. connecting the plug blocks; 600. t shape joint piece.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.

Example (b):

referring to fig. 1-9, the multifunctional anastomat for vascular surgery comprises an anastomosis fixing seat 100 and a support ring 200, wherein a fixing seat overturning groove 101 is formed in the center of the upper end of the anastomosis fixing seat 100, a support ring penetrating groove 102 is formed in the center of the bottom of the fixing seat overturning groove 101, the bottom of the support ring penetrating groove 102 is obliquely arranged to penetrate towards the side surface of the anastomosis fixing seat 100, the first end of the support ring 200 is fixedly connected to one side of the anastomosis fixing seat 100 opposite to the bottom of the support ring penetrating groove 102, the second end of the support ring 200 penetrates through the bottom of the support ring penetrating groove 102 and penetrates out of the center of the fixing seat overturning groove 101, wound fixing seats 300 are hinged to two sides of the inner wall of the fixing seat overturning groove 101, and the wound fixing seats 300 on two sides are both in an L-shaped structure.

The working principle is as follows: the bottom tightened by the support ring 200 is inserted into a blood vessel from a blood vessel wound through the arranged anastomosis fixing seat 100, the wound fixing seat 300 on the anastomosis fixing seat 100 fixes two sides of the blood vessel wound, then the second end of the support ring 200 is pushed into the support ring through groove 102, so that the support ring 200 expands at the ring body formed at the bottom of the anastomosis fixing seat 100 to prop up the inner wall of the blood vessel, then the blood vessel at the wound and the second end of the support ring 200 are fixed through the wound fixing seat 300, the blood vessel wound is fixed in a contraction state by the installation mode of firstly fixing and then propping up, the fixation is firmer, the flow area in the blood vessel is ensured, the normal circulation of blood in the blood vessel at the wound is ensured during healing, the high-pressure working environment of the blood vessel can be adapted, the suture repair of the axial wound of the blood vessel wall is met, the anastomat is wholly supported by polylactic acid soluble high molecular materials, can be gradually dissolved in blood vessel without secondary operation.

Specifically, the front and rear sides of the matching fixing base 100 are provided with T-shaped clamping blocks 600 which are matched with each other, and the matching fixing bases 100 are connected through the T-shaped clamping blocks 600.

In this embodiment, through the T-shaped clamping block 600 that sets up for medical personnel can select the identical fixing base 100 of corresponding quantity according to the length of blood vessel wound, and it is fixed end to end that the joint through T-shaped clamping block 600 links to each other between a plurality of identical fixing bases 100, is convenient for select identical fixing base 100 according to the blood vessel of different sizes and wound, has improved the application scope of anastomat.

Specifically, a central groove 201 is formed in the center of the outer wall of the support ring 200, a plurality of non-return ratchet belts 202 are arranged at the bottom of the central groove 201, non-return latches 103 are arranged at the upper end of the inner wall of the support ring penetrating groove 102, and the bottoms of the non-return latches 103 are inserted between two non-return ratchet belts 202.

In this embodiment, through the non-return ratchet belt 202 and the non-return latch 103 that set up, the second end of support ring 200 can be spacing by non-return latch 103 after pushing down, avoids support ring 200 shrink when wound fixing base 300 is fixed, has guaranteed support ring 200's supporting effect.

Referring to fig. 3-6, a blood vessel suturing assisting device, which is matched with the multifunctional anastomat for vascular surgery, comprises two auxiliary pressing plates 400, wherein wave pressing edges 401 matched with each other are arranged on opposite sides of the two auxiliary pressing plates 400, a threading groove 402 is arranged at the center of the protruding position of the wave pressing edges 401, the two auxiliary pressing plates 400 are clamped between two wound fixing seats 300, and a blood vessel fracture is clamped between the two auxiliary pressing plates 400.

In this embodiment, after support ring 200 accomplished the support to the blood vessel, pass through supplementary clamp plate 400 with the blood vessel on the wound fixing base 300 and press from both sides tightly, then to the central upset, make the supplementary clamp plate 400 of both sides block each other with, through two supplementary clamp plates 400 that set up, after the wound fixing base 300 that will be fixed with the wound overturns, with the centre gripping of blood vessel fracture between two supplementary clamp plates 400, it is the wave bending with both sides blood vessel fracture through wave pressfitting limit 401, then sew up through threading groove 402 threading, be convenient for quick sewing up of blood vessel wound, and the direction of wavy wave pressfitting limit 401 to the needle thread, can make the stylolite more neat, guarantee that the atress of wound suture department is even.

Referring to fig. 7-8, an auxiliary device for installing an anastomat, which is matched with the multifunctional anastomat for vascular surgery, comprises an installation handle 501, two supporting fixing rods 502, two wound compression rods 503, an ejection screw rod 504 and an ejection rotating rod 505, wherein the two supporting fixing rods 502 are arranged at two sides of one end of the installation handle 501, and one end of the two supporting and fixing rods 502 far away from the mounting grab handle 501 is pressed against the inner sides of the two wound fixing seats 300, the two wound pressing rods 503 are movably arranged along the direction of the mounting grab handle 501, and one end of the two wound pressure levers 503 far away from the mounting handle 501 respectively pushes against the outer sides of the two wound fixing seats 300, the ejection screw 504 is connected with the center of the mounting handle 501 in a threaded manner, the ejecting rotary rod 505 is disposed on one side of the ejecting screw 504 corresponding to the matching fixing seat 100, and the ejecting rotary rod 505 is connected to the end of the support ring 200 penetrating through the center of the fixing seat overturning groove 101.

In this embodiment, the mounting handle 501 is held to press the two side wound compression rods 503, so that the front ends of the wound compression rods 503 are inserted between the two wound holders 300 after approaching, the two side wound holders 300 are spread by the two wound compression rods 503, and then the wound is compressed and fixed outside the wound holders 300 by the wound compression rods 503, so as to fix the anastomosis holder 100 in the blood vessel wound, and the ejection rotating rod 505 pushes the ejection rotating rod 505 to eject the support ring 200 into the support ring through groove 102 by rotating the ejection screw 504, so that the support ring 200 forms a gradually enlarged annular support structure on the inner wall of the blood vessel, so as to spread the high-elasticity blood vessel, and the support ring 200 can intercept the length corresponding to the circumference of the blood vessel in advance according to the size of the blood vessel.

Specifically, a connecting rotary seat 506 is fixedly connected to one side of the ejecting rotary rod 505 corresponding to the ejecting screw 504, and the connecting rotary seat 506 is rotatably connected to an end of the ejecting screw 504.

In this embodiment, the connection rotation seat 506 is disposed, so that the ejection rotation rod 505 is kept fixed during pushing, and the ejection rotation rod 505 is prevented from driving the support ring 200 to rotate.

Specifically, an elastic pressing plate 508 is arranged between the wound pressing rod 503 and the outer side of the mounting handle 501, and the elastic pressing plate 508 is an elastic steel sheet with two ends hinged to each other.

In this embodiment, through the elastic pressing plate 508, after the supporting fixing rod 502 is fixed to the wound fixing seat 300 through its own elasticity, the center protrusions of the elastic pressing plates 508 on both sides can be pressed down by holding the mounting handle 501, so as to push the front end of the wound pressing rod 503 to move forward, so that the front end of the wound pressing rod 503 is abutted against the wound fixing seat 300, and thus the blood vessel is clamped and fixed.

Specifically, the outer side of the supporting fixing rod 502 is provided with a guide sleeve 507 corresponding to the wound pressing rod 503, and the wound pressing rod 503 is movably inserted into the guide sleeve 507.

In this embodiment, the guiding sleeve 507 guides the wound pressure lever 503, so as to ensure the linear movement of the wound pressure lever 503 along the direction of the mounting handle 501, and ensure the effect of the wound pressure lever 503 on compressing blood vessels.

Specifically, one side of the ejection rotating rod 505 corresponding to the end of the support ring 200 is provided with a connection insert 510, and the end of the support ring 200 is provided with a fixing slot matched with the connection insert 510.

In this embodiment, the connecting insert 510 is arranged, so that the connecting insert 510 can fix the end of the support ring 200, thereby facilitating the pushing of the connecting insert 510 to the support ring 200.

Specifically, the outer side of the tail end of the supporting fixing rod 502 is provided with a plurality of auxiliary insertion blocks 509, the inward side of the wound fixing seat 300 is provided with a plurality of auxiliary insertion holes 301, the distance between the auxiliary insertion blocks 509 is equal to that between the auxiliary insertion holes 301, and the auxiliary insertion blocks 509 are matched with the auxiliary insertion holes 301.

In this embodiment, through the supplementary inserted block 509 that sets up for support dead lever 502 when strutting wound fixing base 300, increase with wound fixing base 300 cooperation and stabilize, avoid supplementary inserted block 509 slippage, guaranteed the stable use of anastomat installation assistor.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to cover the technical scope of the present invention, the technical solutions and the modifications thereof according to the present invention within the technical scope of the present invention.

Claims

1. Multi-functional anastomat for vascular surgery, its characterized in that: the wound-healing device is characterized by comprising an anastomosis fixing seat (100) and a support ring (200), wherein a fixing seat overturning groove (101) is formed in the center of the upper end of the anastomosis fixing seat (100), a support ring penetrating groove (102) is formed in the center of the bottom of the fixing seat overturning groove (101), the bottom of the support ring penetrating groove (102) is inclined towards the side face of the anastomosis fixing seat (100) and penetrates through the support ring penetrating groove (102), the first end of the support ring (200) is fixedly connected to one side, opposite to the bottom of the support ring penetrating groove (102), of the anastomosis fixing seat (100), the second end of the support ring (200) penetrates through the bottom of the support ring penetrating groove (102) and penetrates out of the center of the fixing seat overturning groove (101), wound fixing seats (300) are hinged to two sides of the inner wall of the fixing seat overturning groove (101), and the wound fixing seats (300) are both sides of an L-shaped structure.

2. The multifunctional anastomat for vascular surgery of claim 1, wherein: the front side and the rear side of the inosculating fixed seats (100) are respectively provided with T-shaped clamping blocks (600) which are matched with each other, and the inosculating fixed seats (100) are connected through the T-shaped clamping blocks (600).

3. The multifunctional anastomat for vascular surgery of claim 2, wherein: the center of the outer wall of the support ring (200) is provided with a central groove (201), the bottom of the central groove (201) is provided with a plurality of non-return ratchet belts (202), the upper end of the inner wall of the support ring penetrating through the groove (102) is provided with non-return latches (103), and the bottoms of the non-return latches (103) are inserted between two non-return ratchet belts (202).

4. A blood vessel suture assistor, which is characterized in that; the vessel suture assistor is matched with the multifunctional anastomat for the vessel surgery in claims (1) to (3), the vessel suture assistor comprises two auxiliary pressing plates (400), wave pressing edges (401) which are matched with each other are arranged on opposite sides of the two auxiliary pressing plates (400), a threading groove (402) is arranged in the center of the protruding position of the wave pressing edges (401), the two auxiliary pressing plates (400) are clamped between two wound fixing seats (300), and a vessel fracture is clamped between the two auxiliary pressing plates (400).

5. An anastomat installation assistor is characterized in that: the anastomat installation assistor is matched with the multifunctional anastomat for vascular surgery in claims (1) to (3), the anastomat installation assistor comprises an installation handle (501), two supporting fixing rods (502), two wound pressing rods (503), an ejection screw rod (504) and an ejection rotating rod (505), the two supporting fixing rods (502) are arranged at two sides of one end of the installation handle (501), one end, far away from the installation handle (501), of the two supporting fixing rods (502) is abutted against the inner sides of the two wound fixing seats (300), the two wound pressing rods (503) are movably arranged along the direction of the installation handle (501), one ends, far away from the installation handle (501), of the two wound pressing rods (503) are respectively abutted against the outer sides of the two wound fixing seats (300), and the ejection screw rod (504) is in threaded connection with the center of the installation handle (501), and the ejection rotating rod (505) is arranged on one side of the ejection screw (504) corresponding to the inosculating fixed seat (100), and the ejection rotating rod (505) is connected with the tail end of the support ring (200) which penetrates out of the center of the fixed seat overturning groove (101).

6. The stapler installation aid of claim 5, wherein: one side of the ejection rotating rod (505) corresponding to the ejection screw (504) is fixedly connected with a connecting rotating seat (506), and the connecting rotating seat (506) is rotatably connected with the end part of the ejection screw (504).

7. The stapler installation aid of claim 5, wherein: an elastic pressing plate (508) is arranged between the wound pressing rod (503) and the outer side of the mounting grab handle (501), and the elastic pressing plate (508) is an elastic steel sheet with two ends hinged.

8. The stapler installation aid of claim 7, wherein: the outer side of the supporting and fixing rod (502) is provided with a guide sleeve (507) corresponding to the wound pressing rod (503), and the wound pressing rod (503) is movably inserted into the guide sleeve (507).

9. The stapler installation aid of claim 5, wherein: one side of the ejection rotating rod (505) corresponding to the tail end of the support ring (200) is provided with a connecting insert block (510), and the tail end of the support ring (200) is provided with a fixed slot matched with the connecting insert block (510).

10. The stapler installation aid of claim 5, wherein: the terminal outside of support dead lever (502) is provided with a plurality of supplementary inserted blocks (509), and wound fixing base (300) one side is provided with a plurality of supplementary jacks (301) inwards, the interval of supplementary inserted block (509) is equal with the interval of supplementary jack (301), and supplementary inserted block (509) and supplementary jack (301) phase-match.