CN211560210U

CN211560210U - Blood vessel anastomat

Info

Publication number: CN211560210U
Application number: CN201922110843.8U
Authority: CN
Inventors: 曹彬; 刘高峰; 刘邦辰; 刘浥筱
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-09-25
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a blood vessel anastomat, the problem of solution is that the blood vessel adopts interior seam to lead to the blood vessel to appear breaking once more in the department of sewing up easily, sews up long, bleed many outward, tear the risk once more big. The utility model comprises a supporting frame, wherein the supporting frame is provided with an excitation device and a bottom plate, a left gasket and a right gasket are arranged between the excitation device and the bottom plate, and the outward flanging of the blood vessel is attached on the left gasket or the right gasket; the excitation device comprises a nail groove and an excitation groove, the nail groove is connected with the excitation groove through a return spring, a top plate and a U-shaped nail are arranged in the nail groove, one end of the top plate is in contact with the U-shaped nail, and the other end of the top plate is connected with the side wall of the nail groove through a spring; the excitation groove is internally provided with an excitation plate which is matched with the U-shaped nail. The utility model has simple structure and convenient use, and is suitable for the artery and blood vessel suture operation of human body; the arterial blood vessel is sutured in a turnover mode, so that the smoothness of the inner wall of the blood vessel is ensured, and the problem of unsmooth blood flow of the blood vessel is effectively avoided.

Description

Blood vessel anastomat

Technical Field

The utility model relates to the field of medical equipment, concretely relates to a blood vessel anastomat for sewing up artery great vessel.

Background

Aortic dissection and vascular rupture are common vascular diseases, once the diseases occur, the blood vessel needs to be cut off and the blood vessel is sutured, but the current blood vessel suturing technology mainly adopts artificial external suturing or internal suturing, the artificial external suturing is low in suturing force, long in suturing time, much in bleeding and high in risk of laceration again; the internal suture method is characterized in that the ports of the suture ends of the blood vessels are respectively tied, after butt joint, the blood vessels are excited and sutured from the inside, after the suture mode is adopted, the outer wall of the sutured part of the blood vessels is smooth, but the inner sides of the blood vessels are provided with flanges, and the flanges in the blood vessels easily cause unsmooth blood flow, so that other blood vessel diseases are caused; and the blood vessel inner side flanging is especially used for the aorta, the blood pressure of the aorta is high, and the suture part is easy to rupture again at the suture part under the state of poor blood flow for a long time, which is the main reason why the blood vessel suture technology is not used for the aorta blood vessel suture.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is that the blood vessel adopts interior sutural mode to arouse easily that the blood flow is not smooth, leads to the blood vessel to appear breaking once more in the department of sewing up easily, sews up long, bleed many outward, tear the risk again big, supplies one kind to prevent the unsmooth blood vessel of adopting blood vessel flanging's vascular anastomat of blood vessel blood flow.

In order to solve the technical problem, the utility model adopts the following technical scheme: a blood vessel anastomat comprises a support frame, wherein an excitation device and a bottom plate are arranged on the support frame, a left gasket and a right gasket are arranged between the excitation device and the bottom plate, and an outward flanging of a blood vessel is attached to the left gasket or the right gasket; the excitation device comprises a nail groove and an excitation groove, the nail groove is connected with the excitation groove through a return spring, a top plate and a U-shaped nail are arranged in the nail groove, one end of the top plate is in contact with the U-shaped nail, and the other end of the top plate is connected with the side wall of the nail groove through a spring; the excitation groove is internally provided with an excitation plate which is matched with the U-shaped nail.

The nail groove in be equipped with the limiting plate, be equipped with spacing hole on the limiting plate, be equipped with the location arch on the excitation board, the location arch cooperatees with spacing hole.

The supporting frame comprises an annular pressing plate, a guide rod and a blood vessel sleeve, wherein one end of the guide rod is connected with the annular pressing plate, and the other end of the guide rod is connected with the bottom plate in a sliding manner; the excitation groove is connected with the annular pressing plate, one end of the nail groove is connected with the guide rod in a sliding mode, and the other end of the nail groove is connected with the blood vessel sleeve; the bottom plate is provided with a plurality of arc-shaped grooves, and the guide rods extend into the arc-shaped grooves.

The annular pressing plate comprises a left pressing plate and a right pressing plate, one end of the left pressing plate is hinged with one end of the right pressing plate, and the other end of the left pressing plate is buckled with the other end of the right pressing plate.

The outer wall of the blood vessel sleeve is provided with an annular groove, the nail groove is provided with a bulge, and the bulge is in sliding fit with the annular groove; and a plurality of concave pits are arranged in the annular groove.

The outer side of the left gasket is provided with a positioning groove and a strip-shaped nail groove I, the inner side of the left gasket is provided with a fixing hole I, and a positioning column is arranged on the blood vessel sleeve and matched with the positioning groove; the two ends of the strip-shaped nail groove I are provided with nail holes, the nail holes are opposite to the tips of the U-shaped nails, and cap nails are matched with the fixing holes I.

The outer side of the right gasket is provided with a bottom plate positioning groove and a strip-shaped nail groove II, nail holes are formed in two ends of the strip-shaped nail groove II, a fixing hole II is formed in the inner side of the right gasket and matched with a cap nail, and the position of the fixing hole II is compared with that of the fixing hole I; the bottom plate is provided with a convex column which is matched with the bottom plate positioning groove.

A method of using a vascular stapler, comprising the steps of: firstly, sleeving a support frame, a blood vessel sleeve and a left gasket on a blood vessel left interface, sleeving a right gasket and a bottom plate on a blood vessel right interface, flanging the blood vessel left interface and the blood vessel right interface respectively, nailing the flanging of the blood vessel left interface on the left gasket by using cap nails after flanging, and nailing the flanging of the blood vessel right interface on the right gasket to realize the fixation of the flanging of the blood vessel;

secondly, the convex column on the bottom plate is buckled and connected with the bottom plate positioning groove on the right gasket, the positioning column on the blood vessel sleeve is connected with the positioning groove on the left gasket, and the bulge of the nail groove is connected with the annular groove on the blood vessel sleeve; one end of a guide rod of the support frame penetrates through the nail groove and then penetrates through the arc-shaped groove of the bottom plate, and is fixed by a nut;

thirdly, the nail holes on the left gasket and the right gasket are compared and then compared with the tip end of the U-shaped nail, the U-shaped nail is excited, the U-shaped nail is driven into the nail holes of the left gasket and the right gasket, and meanwhile, the U-shaped nail penetrates through the flanging of the left blood vessel interface and the right blood vessel interface to realize the suturing of the blood vessel;

fourthly, after the U-shaped nail is excited once, the supporting frame is rotated, the excitation groove and the nail groove rotate along with the supporting frame, the excitation of the next U-shaped nail is carried out until the nail hole is fixed by the U-shaped nail, and the stitching of the blood vessel left interface flanging and the blood vessel right interface flanging is realized.

And step three, when the U-shaped nail is excited, the thumb presses the annular pressing plate, other fingers drag the bottom plate, the thumb presses the annular pressing plate towards the direction of the bottom plate with force until the excitation plate in the excitation groove is pressed against the U-shaped nail, and then the U-shaped nail is nailed into the nail holes of the left gasket and the right gasket, so that the fixed connection between the left gasket, the right gasket and the flanging of the blood vessel is realized.

And fourthly, the nail groove rotates along with the support frame by taking the blood vessel sleeve as an axis, and a U-shaped nail is bound when the bulge passes through one concave pit.

The utility model has simple structure and convenient use, and is suitable for the artery suture operation of human body; the artery blood vessel is sutured in a turnover mode, smoothness of the inner wall of the blood vessel is guaranteed, the problem of unsmooth blood flow of the blood vessel is effectively avoided, the U-shaped nails are nailed on the left gasket and the right gasket by the aid of the exciting device, meanwhile, the blood vessel flanging is sutured at multiple positions, firmness of suturing is guaranteed, the left gasket and the right gasket are kept on two sides of the flanging after suturing, the flanging is prevented from being separated from the threads and slipping, and the suturing is effectively prevented from being cracked under the condition of high blood pressure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the enlarged partial structure of FIG. 1;

FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the nail groove of the present invention;

FIG. 5 is a schematic view of the left gasket structure of the present invention;

FIG. 6 is a schematic view of the right gasket structure of the present invention;

FIG. 7 is a schematic view of the ring-shaped pressing plate of the present invention;

fig. 8 is a schematic view of the bottom plate structure of the present invention;

FIG. 9 is a schematic view of the ring of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1 to 9, a blood vessel anastomat comprises a support frame 5, wherein an excitation device 3 and a bottom plate 4 are arranged on the support frame 5, a left gasket 1 and a right gasket 2 are arranged between the excitation device 3 and the bottom plate 4, and an outward flange 61 of a blood vessel 6 is attached to the left gasket 1 or the right gasket 2; the excitation device 3 comprises a nail groove 31 and an excitation groove 32, the nail groove 31 is connected with the excitation groove 32 through a return spring 35, a top plate 311 and a U-shaped nail 312 are arranged in the nail groove 31, one end of the top plate 311 is in contact with the U-shaped nail 312, and the other end of the top plate 311 is connected with the side wall of the nail groove 31 through a spring 313; an excitation plate 321 is arranged in the excitation groove 32, and the excitation plate 321 is matched with the U-shaped nail 312.

The nail groove 31 is internally provided with a limiting plate 316, the limiting plate 316 is provided with a limiting hole 317, the excitation plate 321 is provided with a positioning bulge 322, and the positioning bulge 322 is matched with the limiting hole 317. When the device is used, the excitation plate 321 is lightly pressed, the positioning protrusions 322 on the excitation plate 321 are clamped into the limiting holes 317, and initial limiting of the excitation plate 321 on the limiting plate 316 is realized; continued pressing on actuation plate 321 actuates staples 312 out of staple slots 31, which are stapled to left pad 1 and right pad 2.

The support frame 5 comprises an annular pressing plate 51, a guide rod 52 and a blood vessel sleeve 53, wherein one end of the guide rod 52 is connected with the annular pressing plate 51, and the other end of the guide rod 52 is connected with the bottom plate 4 in a sliding manner; the excitation groove 32 is connected with an annular pressing plate 51, one end of the nail groove 31 is connected with a guide rod 52 in a sliding mode, and the other end of the nail groove 31 is connected with a blood vessel sleeve 53; the bottom plate 4 is provided with a plurality of arc-shaped grooves 45, and the guide rod 52 extends into the arc-shaped grooves 45. When the blood vessel gasket is used, the thumb presses the annular pressing plate 51, the other fingers drag the bottom plate 4, the thumb forcibly presses the annular pressing plate 51 towards the bottom plate until the excitation plate 321 in the excitation groove 32 is pushed against the U-shaped nail 312, and then the U-shaped nail 312 is nailed into the nail holes of the left gasket 1 and the right gasket 2, so that the fixed connection between the left gasket 1 and the outer flanging 61 of the blood vessel 6 and the right gasket 2 is realized. When the nail groove rotates, the excitation groove rotates, the bottom plate keeps still, and the guide rod slides in the arc-shaped groove.

The annular pressing plate 51 comprises a left pressing plate 511 and a right pressing plate 512, wherein one end of the left pressing plate 511 is hinged with one end of the right pressing plate 512, and the other end of the left pressing plate 511 is buckled with the other end of the right pressing plate 512. The annular pressing plate 51 of the utility model is designed into two half structures of a left pressing plate 511 and a right pressing plate 512, which is convenient for detaching the annular pressing plate from the blood vessel after the blood vessel is sutured; blood vessel sleeve 53, bottom plate 4 etc. all adopt and press the structure of board 51 similar to the annular, be about to blood vessel sleeve 53, bottom plate 4 and divide into two parts respectively, the blood vessel sleeve 53 or the bottom plate 4 of these two parts all adopt articulated mode to connect to demolish it after sewing up the completion in order to.

The outer wall of the vascular sleeve 53 is provided with an annular groove 531, the nail groove 31 is provided with a bulge 315, and the bulge 315 is in sliding fit with the annular groove 531; a plurality of concave pits 532 are arranged in the annular groove 531. The nail groove 31 rotates by taking the blood vessel sleeve 53 as an axis, and each time the bulge 315 passes through the top of the concave pit 532, one U-shaped nail 312 is excited; the recess 532 serves as a location for the staple channel 31, and the pointed end of the staple 312 in the staple channel 31 is aligned with the staple hole when the protrusion 315 is aligned with the recess 532.

The outer side of the left gasket 1 is provided with a positioning groove 11 and a strip-shaped nail groove I12, the inner side of the left gasket is provided with a fixing hole I14, the blood vessel sleeve 53 is provided with a positioning column 533, and the positioning column 533 is matched with the positioning groove 11; the strip-shaped nail groove I12 is provided with nail holes 13 at two ends, the nail holes 13 are opposite to the tips of the U-shaped nails 312, and cap nails 15 are arranged in cooperation with the fixing holes I14.

A bottom plate positioning groove 21 and a strip-shaped nail groove II22 are arranged on the outer side of the right gasket 2, nail holes 13 are arranged at two ends of a strip-shaped nail groove II22, a fixing hole II24 is arranged on the inner side of the right gasket 2, a fixing hole II24 is matched with a cap nail 15, and the positions of a fixing hole II24 are compared with that of a fixing hole I14; the bottom plate 4 is provided with a convex column 42, and the convex column 42 is matched with the bottom plate positioning groove 21.

A method of using a vascular stapler, comprising the steps of: firstly, a support frame 5, a blood vessel sleeve 53 and a left gasket 1 are sleeved on a blood vessel left connector, a right gasket 2 and a bottom plate 4 are sleeved on a blood vessel right connector, the blood vessel left connector and the blood vessel right connector are respectively flanged, after flanging, a flange of the blood vessel left connector is respectively nailed on the left gasket 1 by using a cap nail 15, and a flange of the blood vessel right connector is nailed on the right gasket 2, so that the flanging of the blood vessel is fixed;

secondly, the convex column 42 on the bottom plate 4 is buckled and connected with the bottom plate positioning groove 21 on the right gasket 2, the positioning column 533 on the blood vessel sleeve 53 is connected with the positioning groove 11 on the left gasket 1, and the bulge 315 of the nail groove 31 is connected with the annular groove 531 on the blood vessel sleeve 53; one end of a guide rod 52 of the support frame 5 passes through the nail groove 31 and then passes through the arc-shaped groove 45 of the bottom plate 4, and is fixed by a nut;

thirdly, the left gasket 1 is compared with the nail hole 13 on the right gasket 2 and then is compared with the tip of the U-shaped nail 312, the U-shaped nail 312 is excited, the U-shaped nail 312 is driven into the nail hole 13 of the left gasket 1 and the right gasket 2, and meanwhile, the U-shaped nail 312 passes through the flanging of the left blood vessel interface and the right blood vessel interface to realize the suturing of the blood vessel;

fourthly, after the staple 312 is excited once, the support frame 5 is rotated, the excitation groove 32 and the staple groove 31 rotate along with the support frame 5, the excitation of the next staple 312 is carried out until the staple hole 13 is fixed by the staple 312, and the stitching of the blood vessel left interface flanging and the blood vessel right interface flanging is realized.

When the staple 312 is excited, the thumb presses the annular pressing plate 51, the other fingers drag the bottom plate 4, the thumb presses the annular pressing plate 51 towards the bottom plate with force until the excitation plate 321 in the excitation groove 32 is pressed against the staple 312, and then the staple 312 is nailed into the nail holes of the left gasket 1 and the right gasket 2, so that the fixed connection between the left gasket 1, the right gasket 2 and the outward flanging 61 of the blood vessel 6 is realized.

The nail groove 31 rotates along with the support frame 5 by taking the blood vessel sleeve 53 as an axis, and a U-shaped nail 312 is bound on each protrusion 315 passing through one concave pit 532; the recess 532 serves as a location for the staple channel 31, and the pointed end of the staple 312 in the staple channel 31 is aligned with the staple hole when the protrusion 315 is aligned with the recess 532.

Claims

1. A vascular stapler, characterized in that: the blood vessel support comprises a support frame (5), wherein an excitation device (3) and a bottom plate (4) are arranged on the support frame (5), a left gasket (1) and a right gasket (2) are arranged between the excitation device (3) and the bottom plate (4), and an outward flanging (61) of a blood vessel (6) is attached to the left gasket (1) or the right gasket (2); the excitation device (3) comprises a nail groove (31) and an excitation groove (32), the nail groove (31) and the excitation groove (32) are connected through a return spring (35), a top plate (311) and a U-shaped nail (312) are arranged in the nail groove (31), one end of the top plate (311) is in contact with the U-shaped nail (312), and the other end of the top plate (311) is connected with the side wall of the nail groove (31) through a spring (313); an excitation plate (321) is arranged in the excitation groove (32), and the excitation plate (321) is matched with the U-shaped nail (312).

2. The vascular stapler of claim 1, wherein: the nail groove (31) is internally provided with a limiting plate (316), the limiting plate (316) is provided with a limiting hole (317), the excitation plate (321) is provided with a positioning bulge (322), and the positioning bulge (322) is matched with the limiting hole (317).

3. The vascular stapler of claim 1, wherein: the supporting frame (5) comprises an annular pressing plate (51), a guide rod (52) and a blood vessel sleeve (53), one end of the guide rod (52) is connected with the annular pressing plate (51), and the other end of the guide rod is connected with the bottom plate (4) in a sliding manner; the excitation groove (32) is connected with an annular pressing plate (51), one end of the nail groove (31) is connected with the guide rod (52) in a sliding mode, and the other end of the nail groove is connected with the blood vessel sleeve (53); the bottom plate (4) is provided with a plurality of arc-shaped grooves (45), and the guide rods (52) extend into the arc-shaped grooves (45).

4. The vascular stapler of claim 3, wherein: the annular pressing plate (51) comprises a left pressing plate (511) and a right pressing plate (512), one end of the left pressing plate (511) is hinged with one end of the right pressing plate (512), and the other end of the left pressing plate (511) is buckled with the other end of the right pressing plate (512).

5. The vascular stapler of claim 3, wherein: an annular groove (531) is formed in the outer wall of the blood vessel sleeve (53), a protrusion (315) is arranged on the nail groove (31), and the protrusion (315) is in sliding fit with the annular groove (531); a plurality of concave pits (532) are arranged in the annular groove (531).

6. The vascular stapler of claim 3, wherein: a positioning groove (11) and a strip-shaped nail groove I (12) are arranged on the outer side of the left gasket (1), a fixing hole I (14) is arranged on the inner side of the left gasket, a positioning column (533) is arranged on the blood vessel sleeve (53), and the positioning column (533) is matched with the positioning groove (11); two ends of the strip-shaped nail groove I (12) are provided with nail holes (13), the nail holes (13) are opposite to the tips of the U-shaped nails (312), and cap nails (15) are arranged in cooperation with the fixing holes I (14).

7. The vascular stapler of claim 6, wherein: a bottom plate positioning groove (21) and a strip-shaped nail groove II (22) are formed in the outer side of the right gasket (2), nail holes (13) are formed in two ends of the strip-shaped nail groove II (22), a fixing hole II (24) is formed in the inner side of the right gasket (2), the fixing hole II (24) is matched with the cap nail (15), and the positions of the fixing hole II (24) and the fixing hole I (14) are compared; the bottom plate (4) is provided with a convex column (42), and the convex column (42) is matched with the bottom plate positioning groove (21).