CN215129329U

CN215129329U - Intravascular suturing device

Info

Publication number: CN215129329U
Application number: CN202120988666.8U
Authority: CN
Inventors: 黄炯华
Original assignee: Third Affiliated Hospital of Guangzhou Medical University
Current assignee: Third Affiliated Hospital of Guangzhou Medical University
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-14
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses an endovascular suturing device, relating to the technical field of suturing devices. The utility model comprises an appliance body, a needle handle arranged at one end of the appliance body, and a clamping mechanism arranged between the needle handle and the appliance body; the clamping mechanism comprises two clamping plates, connecting shafts are rotationally matched at two ends of the two clamping plates, a pushing block is rotationally matched at one end of each corresponding connecting shaft, a connecting block is fixed at one end of each pushing block, and a spring is fixed between each connecting block and the inner wall of the instrument body. The utility model discloses a set up latch mechanism between needle handle and apparatus body, latch mechanism produces or cancels the centre gripping fixed to the needle handle, can prevent effectively that the needle handle from droing or the difficult problem of extracting automatically, reduces the operation degree of difficulty to promote the practicality of blood vessel suturing device, set up ejector pad and spring in latch mechanism, can produce or cancel the centre gripping relation to the needle handle fast, and easy operation facilitates the use, improved the convenience of blood vessel suturing device.

Description

Intravascular suturing device

Technical Field

The utility model belongs to the technical field of the stitching instrument, especially, relate to an endovascular stitching instrument.

Background

The vascular suture device is suitable for patients who use 5F to 21F sheaths for interventional catheter inspection or treatment, and percutaneously delivers a suture after surgery to suture a femoral artery puncture site. Is commonly used after DSA operation and belongs to the necessary skill of nerve intervention. The intravascular suturing device is an intravascular puncture remaining tube, and each vascular puncture opening is sewed after the remaining tube is pulled out. The operation is simple, convenient and quick, and the operation time is greatly shortened; the method is accurate, firm and reliable, keeps good blood circulation, ensures tissue healing, effectively prevents leakage and obviously reduces the incidence rate of anastomotic leakage; the suture and anastomosis which are difficult to manually operate and have narrow surgical fields and deeper parts become easy.

However, the existing intravascular suturing device is inconvenient to operate in the using process, the handle is easy to drop or not easy to pull out, and the difficulty of the operation is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an endovascular suturing device, solved above-mentioned endovascular suturing device inconvenient prior art problem of operation in the use.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

an intravascular suturing device comprises an instrument body, a needle handle arranged at one end of the instrument body, and a clamping mechanism arranged between the needle handle and the instrument body;

the clamping mechanism comprises two clamping plates, connecting shafts are rotationally matched at two ends of the two clamping plates, a pushing block is rotationally matched at one end of each corresponding connecting shaft, a connecting block is fixed at one end of each pushing block, and a spring is fixed between each connecting block and the inner wall of the instrument body.

Optionally, two through grooves are formed on the periphery of the instrument body, and the two push blocks are respectively in sliding fit in the two through grooves.

Optionally, the needle handle is slidably fitted to one end of the device body, and the clamping mechanism is located on the periphery of the needle handle.

Optionally, the two clamping plates are respectively located on two opposite sides of the needle handle, grooves are formed in two opposite sides of the needle handle, and the two clamping plates correspond to the two grooves.

Optionally, the two connecting shafts are located on the upper side of one end of the pushing block, and the connecting block is located on the lower side of one end of the pushing block.

Optionally, the circumference of the instrument body is provided with a marking cavity, and the circumference of the instrument body is provided with a wrench.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through setting up latch mechanism between needle handle and apparatus body, and latch mechanism produces or cancels the centre gripping fixed to the needle handle, can prevent effectively that the needle handle from coming off or the difficult problem of extracting automatically, reduces the operation degree of difficulty to promoted vascular suture ware's practicality, set up ejector pad and spring in latch mechanism, can produce or cancel the centre gripping relation to the needle handle fast, and easy operation facilitates the use, improved vascular suture ware's convenience.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of an apparatus body and a marking chamber according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembled three-dimensional structure of a wrench and a needle handle according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the needle handle and the latch mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly cross-sectional structure of a clamping mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic sectional view of the assembly of the needle handle with the body of the device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a portion a in fig. 5.

Wherein the figures include the following reference numerals:

the device comprises a device body 1, a marking cavity 2, a wrench 3, a needle handle 4, a clamping mechanism 5, a clamping plate 501, a connecting shaft 502, a pushing block 503, a connecting block 504 and a spring 505.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-6, in the present embodiment, an intravascular stapler is provided, including: the device comprises a device body 1, a needle handle 4 arranged at one end of the device body 1, and a clamping mechanism 5 arranged between the needle handle 4 and the device body 1;

the clamping mechanism 5 comprises two clamping plates 501, connecting shafts 502 are rotatably matched with two ends of the two clamping plates 501, a pushing block 503 is rotatably matched with one end of each corresponding connecting shaft 502, a connecting block 504 is fixed at one end of each pushing block 503, and a spring 505 is fixed between each connecting block 504 and the inner wall of the instrument body 1.

The application of one aspect of the embodiment is as follows: when the intravascular suturing device is used, the needle handle 4 is pulled back, the suture is tensioned, the two push blocks 503 are pressed first, the two push blocks 503 slide into the device body 1, meanwhile, the push blocks 503 drive the two connecting shafts 502 at one end to rotate, the connecting shafts 502 drive the clamping plates 501 to move towards one side far away from the needle handle 4, the needle handle 4 is not clamped, the needle handle 4 drives the suture to be pulled out of the device body 1, when the intravascular suturing device is fixed, the two push blocks 503 are loosened, then the two springs 505 elastically rebound to drive the push blocks 503 to recover, meanwhile, the push blocks 503 drive the clamping plates 501 to clamp and fix the needle handle 4, and therefore the intravascular suturing device is used.

Through set up latch mechanism 5 between needle handle 4 and apparatus body 1, latch mechanism 5 produces or cancels the centre gripping fixed to needle handle 4, can prevent effectively that needle handle 4 from droing automatically or the difficult problem of extracting, reduces the operation degree of difficulty to set up ejector pad 503 and spring 505 in latch mechanism 5, can produce or cancel the centre gripping relation to needle handle 4 fast, and easy operation, facilitate the use, improved the convenience of blood vessel stitching instrument.

Referring to fig. 4, two through grooves are formed on the periphery of the apparatus body 1 of the present embodiment, and the two pushing blocks 503 are respectively slidably fitted in the two through grooves. The two pushing blocks 503 are pressed or released to slide the two pushing blocks 503 along the two through grooves.

Referring to fig. 5, the needle shaft 4 of the present embodiment is slidably fitted at one end of the device body 1, and the latch mechanism 5 is located at the periphery of the needle shaft 4. The clamping mechanism 5 clamps or cancels the needle handle 4, one end of the needle handle 4 is connected with a suture which is positioned in the instrument body 1, the needle handle 4 is pulled out of one end of the instrument body 1, the suture is tensioned, and the suture is wound to a quick scissor opening to be cut off.

Referring to fig. 4, the two holding plates 501 of the present embodiment are respectively located at two opposite sides of the needle handle 4, and the two opposite sides of the needle handle 4 are both provided with a groove, and the two holding plates 501 correspond to the two grooves. The two clamping plates 501 clamp or cancel the clamping fixation of the grooves on the two sides of the needle handle 4, thereby effectively preventing the needle handle 4 from automatically falling off or being difficult to pull out.

Referring to fig. 6, the two connecting shafts 502 of the present embodiment are located on the upper side of one end of the pushing block 503, and the connecting block 504 is located on the lower side of one end of the pushing block 503. The pushing block 503 is pushed to rotate the two connecting shafts 502 on the upper side of one end of the pushing block 503, so that the two connecting shafts 502 are relatively far away, otherwise, the spring 505 rebounds to drive the connecting block 504 to move, and the connecting block 504 drives the pushing block 503 to recover.

Referring to fig. 1, the apparatus body 1 of the present embodiment has a marking cavity 2 around the apparatus body 1, and a wrench 3 is disposed around the apparatus body 1. The marking cavity 2 is used for observing bleeding conditions or the marking cavity 2 is flushed with heparinized physiological saline to observe that the saline drips from the marking opening, the wrench 3 is lifted, the thread foot is opened, and the wrench 3 is closed and the thread foot is packed up after the suture is wound to the quick scissor opening and is sheared off.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An intravascular stapler, comprising: the device comprises an instrument body (1), a needle handle (4) arranged at one end of the instrument body (1), and a clamping mechanism (5) arranged between the needle handle (4) and the instrument body (1);

the clamping mechanism (5) comprises two clamping plates (501), connecting shafts (502) are respectively and rotatably matched with the two ends of the two clamping plates (501), pushing blocks (503) are rotatably matched with one ends of the two corresponding connecting shafts (502), one ends of the pushing blocks (503) are fixedly provided with connecting blocks (504), and springs (505) are fixedly arranged between the connecting blocks (504) and the inner wall of the instrument body (1).

2. An endovascular stapler according to claim 1, wherein the instrument body (1) is provided with two through grooves on the periphery thereof, and the two pushing blocks (503) are respectively slidably fitted in the two through grooves.

3. An endovascular stapler according to claim 1, wherein the needle shaft (4) is a sliding fit at one end of the device body (1) and the catch means (5) are located on the periphery of the needle shaft (4).

4. An endovascular stapler according to claim 1, wherein the two holding plates (501) are located on opposite sides of the needle handle (4), respectively, and the opposite sides of the needle handle (4) are provided with grooves, the two holding plates (501) corresponding to the two grooves.

5. An endovascular stapler according to claim 1, wherein the two connecting shafts (502) are located on the upper side of one end of the push block (503), and the connecting block (504) is located on the lower side of one end of the push block (503).

6. An endovascular stapler according to claim 1, wherein the instrument body (1) is provided with a marking cavity (2) on the periphery and the wrench (3) is provided on the periphery of the instrument body (1).