CN111493955A

CN111493955A - Blood vessel stitching instrument

Info

Publication number: CN111493955A
Application number: CN202010341019.8A
Authority: CN
Inventors: 时明涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-08-07

Abstract

The invention discloses a blood vessel stitching instrument, which relates to the technical field of medical instruments and comprises a firing handle and a stitching part, wherein the firing handle is connected with the stitching part through a connecting part; the suturing part comprises a nail anvil and a nail bin, the bottoms of the nail anvil and the nail bin are connected through a support, and a nail groove for containing a nail is formed in the nail bin; the connecting part is provided with a bin pushing rod and a nail pushing rod, and the nail grooves are at most provided with three rows. The invention has simple structure, small space required for positioning, difficult tearing off of small blood vessels, convenient observation, simple, convenient and safe clinical operation and good clinical application prospect.

Description

Blood vessel stitching instrument

Technical Field

The invention relates to the technical field of medical instruments, in particular to a blood vessel stitching instrument.

Background

The prior art most commonly uses a linear cutting stapler for treating blood vessels, but the linear cutting stapler has the following disadvantages: the cutting stapler needs to be provided with the stitching nails on two sides of a cutting line, and each side is usually provided with three rows of stitching nails, so that the structures of the nail anvil and the nail bin are designed to accommodate six rows of nails, which causes the nail anvil and the nail bin to be thicker, so that the gap required for positioning is large, the positioning is difficult, fragile vascular tissues are easy to tear, especially when small blood vessels are treated, the surgical difficulty is increased, and sometimes fatal hemorrhage is even caused; because the structure of the endoscope is generally a straight head structure, the in-place situation of the nail anvil and the nail bin is not easy to observe in the visual field of the endoscope, and the adoption of a few complicated elbow structures can increase the additional operation cost. It is also not economical to suture a vessel several millimeters in diameter with a 3cm long staple cartridge.

Therefore, it is desirable to provide a new blood vessel suturing device to solve the above problems in the prior art.

Disclosure of Invention

The present invention is directed to a blood vessel suturing device to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a blood vessel stitching instrument, which comprises a firing handle and a stitching part, wherein the firing handle is connected with the stitching part through a connecting part; the suturing part comprises a nail anvil and a nail bin, the bottoms of the nail anvil and the nail bin are connected through a support, and a nail groove for containing a nail is formed in the nail bin; the connecting part is provided with a bin pushing rod and a nail pushing rod, and the nail grooves are at most provided with three rows.

Preferably, the anvil and the staple cartridge are perpendicular to the connecting part.

Preferably, the anvil and staple cartridge are angled relative to the attachment portion.

Preferably, the included angle between the anvil, the nail bin and the connecting part is 130 degrees and 160 degrees.

Preferably, the bracket is provided with a stop block, the stop block is arranged between the nail bin and the nail anvil, and the height of the stop block is greater than the shortest distance from the nail to the bracket.

Preferably, the length of the nail anvil and the nail bin is 1-3 cm.

Preferably, the number of the staples in the middle row is 7, and the number of the staples in the other two rows is 8.

Preferably, the connecting part comprises a connecting rod, and the bin pushing rod and the nail pushing rod are arranged above the connecting rod.

Preferably, an absorption part is provided outside the connection part.

Preferably, an anti-slip layer is arranged on the firing handle.

Compared with the prior art, the invention has the following technical effects:

1. when in use, the tissue to be sutured is fixed between the nail bin and the nail anvil, and the tissue enters the jaw due to the blocking of the block, so that the tissue can be ensured not to exceed the suture line of the nail, and the hemostatic effect is good after suturing;

2. the nail anvil and the nail bin are designed to accommodate three rows of nails, so that the nail anvil and the nail bin are small and exquisite, and can be easily positioned when treating blood vessels;

3. simple structure and convenient processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a blood vessel suturing device according to an embodiment;

FIG. 2 is a schematic structural view of a second embodiment of a vascular stapler;

the nail-pushing device comprises a nail anvil 1, a nail anvil 2, a nail bin 3, a connecting part 4, a firing handle 5, a support 6, a stop dog 7, a connecting rod 8, a bin pushing rod 9, a nail pushing rod 10, an absorbing part 11 and an anti-skid layer.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

As shown in fig. 1, the present embodiment provides a blood vessel stitching instrument, which comprises a firing handle 4 and a stitching part, wherein the firing handle 4 is connected with the stitching part through a connecting part 3; the suturing part comprises a nail anvil 1 and a nail bin 2, the bottoms of the nail anvil 1 and the nail bin 2 are connected through a bracket 5, and a nail groove for accommodating a nail is formed in the nail bin; the connecting part 3 is provided with a bin pushing rod 8 and a nail pushing rod 9, one end of the nail pushing rod 9 is connected with the tail end of a nail pushing in the nail bin 2, the other end of the nail pushing rod 9 is connected with the trigger handle 4, one end of the bin pushing rod 8 is connected with the nail bin 2, the other end of the bin pushing rod is connected with the trigger handle 4, and the nail pushing rod 9 and the bin pushing rod 8 are controlled to move through the trigger handle 4.

When in use, the stapler is firstly in an initial state, and the nail anvil 1 and the nail bin 2 are separated; placing the vascular tissue to be sutured between the nail anvil 1 and the nail bin 2, and tightly gripping the firing handle 4 to enable the nail bin 2 to approach to the nail anvil 1 and tightly press the vascular tissue, wherein the instrument is in a closed state; then the nails in the nail bin 2 are pushed out under the action of the nail pushing rod 9, so that the suture operation is completed, and finally the nail pushing rod 8, the nail pushing rod 9 and the nail bin 2 are retreated to the initial state together.

In the present embodiment, the staple slots are provided with at most three rows, that is, the staple anvil 1 and the staple cartridge 2 are designed to accommodate three rows of staples, so that the staple anvil 1 and the staple cartridge 2 are small and compact, and can be easily positioned when treating blood vessels.

In this embodiment, the anvil 1 and the staple cartridge 2 are perpendicular to the connecting portion 3.

In this embodiment, the bracket 5 is provided with a stopper 6, the stopper 6 is perpendicular to the nail anvil 1 and the nail bin 2, the stopper 6 is arranged between the nail bin 2 and the nail anvil 1, and the height of the stopper 6 is greater than the shortest distance from the nail to the bracket 5. The height of the stop 6 higher than the bracket 5 is preferably 1.5 mm-2 mm, and the length is designed according to the length of the sewing needle.

In the embodiment, the length of the anvil 1 and the nail bin 2 is 1-3 cm.

In this embodiment, the number of staples in the middle row is 7, and the number of staples in the remaining two rows is 8.

In this embodiment, the connecting portion 3 includes a connecting rod 7, and the magazine pushing rod 8 and the nail pushing rod 9 are disposed above the connecting rod 7.

In this embodiment, an absorption portion 10 is disposed on an outer side of the connection portion 3, the absorption portion 10 is made of a cylindrical structure and made of a sponge material, and is disposed around the connection rod 7, the nail pushing rod 9 and the bin pushing rod 8, a through hole is disposed in the absorption portion to allow the connection rod 7, the nail pushing rod 9 and the bin pushing rod 8 to pass through, and a groove may be further disposed on the connection rod 7 to mount the absorption portion 10 and limit the absorption portion to prevent the absorption portion from moving; the absorption part 10 can absorb blood in the operation process, keep cleanness and prevent pollution.

In this embodiment, the anti-slip layer 11 is arranged on the handheld portion of the firing handle 4, and the anti-slip layer 11 is made of rubber, so that medical staff can better grip the firing handle 4, and the surgical precision is ensured; the anti-slip layer 11 may be replaced by anti-slip lines.

Example two

The embodiment is an improvement on the basis of the first embodiment, and the improvement is as follows:

as shown in FIG. 2, the anvil 1 and the nail bin 2 are inclined relative to the connecting portion 3, and the included angle between the anvil 1 and the nail bin 2 and the connecting portion 3 is 130 degrees and 160 degrees. The suturing part in the embodiment is designed obliquely, so that the positioning condition of the nail anvil 1 and the nail bin 2 can be easily confirmed under the view of the endoscope, and the confirmation by repeatedly adjusting the angle of the endoscope or the angle of the cutting suturing device is not needed.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. A vascular stapler, characterized in that: the percussion handle is connected with the suture part through a connecting part; the suturing part comprises a nail anvil and a nail bin, the bottoms of the nail anvil and the nail bin are connected through a support, and a nail groove for containing a nail is formed in the nail bin; the connecting part is provided with a bin pushing rod and a nail pushing rod, and the nail grooves are at most provided with three rows.

2. The vascular stapler of claim 1, wherein: the nail anvil and the nail bin are perpendicular to the connecting part.

3. The vascular stapler of claim 1, wherein: the nail anvil and the nail bin are inclined relative to the connecting part.

4. The vascular stapler of claim 3, wherein: the included angle between the nail anvil, the nail bin and the connecting part is 130 degrees and 160 degrees.

5. The vascular stapler of claim 1, wherein: the support is provided with a stop block, the stop block is arranged between the nail bin and the nail anvil, and the height of the stop block is larger than the shortest distance from the nail to the support.

6. The vascular stapler of claim 1, wherein: the length of the nail anvil and the nail bin is 1-3 cm.

7. The vascular stapler of claim 1, wherein: the number of the staples in the middle row is 7, and the number of the staples in the other two rows is 8.

8. The vascular stapler of claim 1, wherein: the connecting part comprises a connecting rod, and the bin pushing rod and the nail pushing rod are arranged above the connecting rod.

9. The vascular stapler of claim 1, wherein: an absorption part is arranged on the outer side of the connecting part.

10. The vascular stapler of claim 9, wherein: an anti-slip layer is arranged on the firing handle.