CN214761337U

CN214761337U - Soft tissue dilating catheter guiding forceps

Info

Publication number: CN214761337U
Application number: CN202120566020.0U
Authority: CN
Inventors: 郑自力
Original assignee: Individual
Current assignee: Jinjiang Hospital
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-19
Anticipated expiration: 2031-03-19

Abstract

The utility model provides a soft tissue expansion pipe guide pincers, including articulated left handle and right handle, the front end of left handle and right handle forms the expansion binding clip that can open and shut, and the rear end inboard of left handle and right handle is provided with the pressure spring, the expansion binding clip is including half left binding clip that is located the left handle front end and half right binding clip that is located the right handle front end, and half left binding clip forms coniform cavity, lower part and is closed sharp mouth form on its upper portion after half left binding clip and half right binding clip are closed, and the front side of this coniform cavity is equipped with from last opening that reduces in proper order to the width down. The guide forceps can better inosculate with the guide steel needle, and the guide steel needle reaches the corresponding soft tissue layer, and the separation of the catheter and the guide forceps is facilitated.

Description

Soft tissue dilating catheter guiding forceps

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a soft tissue expansion pipe guide pincers.

Background

The expansion guide forceps are a guide device for a plurality of catheters and steel needles used in the current operation process. The existing dilation guide forceps have forceps tips longer than 5cm, for example, a nose speculum has no groove below a funnel, and cannot better fit with a guide steel needle; the forceps mouth is wide and blunt, and is not beneficial to guiding the steel needle to enter the next layer of soft tissue during operation; the funnel portion is closed too tightly to facilitate separation of the catheter, particularly a flexible catheter, from it during use. Therefore, there is a need to design a dilation guide forceps that can not only better fit the guide steel needle, but also easily remove the guide catheter, thereby facilitating the operation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: to the shortcoming that current expansion guide pincers exist, the utility model provides a soft tissue expansion pipe guide pincers, this guide pincers can better coincide guide steel needle, arrive corresponding soft tissue aspect along with guide steel needle to be favorable to the separation of pipe and guide pincers.

The technical scheme is as follows: the utility model provides a soft tissue expansion pipe guide pincers, includes articulated left handle and right handle, the front end of left handle and right handle forms the expansion binding clip that can open and shut, and the rear end inboard of left handle and right handle is provided with the pressure spring, the expansion binding clip is including the half left binding clip that is located the left handle front end and the half right binding clip that is located the right handle front end, and its upper portion forms coniform cavity, lower part and is closed sharp mouth form after half left binding clip and the half right binding clip is closed, and the front side of this coniform cavity is equipped with from last opening that reduces in proper order to the width down.

The inner sides of the sharp-mouth-shaped parts formed by the left half tong head and the right half tong head are respectively provided with symmetrical grooves.

The lower port of the sharp-nose-shaped part formed by the left half tong head and the right half tong head is in a blunt round shape.

The length of the expansion binding clip is more than 5 cm; the joint of the left handle 1 and the right handle 2 close to the expansion binding clip 3 is provided with a knob assembly capable of adjusting the opening range of the left half binding clip 31 and the right half binding clip 32, and the knob assembly is a conventional assembly, such as a screw assembly provided with external threads.

Has the advantages that: the utility model provides a pair of soft tissue expansion pipe guide pincers has following beneficial effect:

1. the soft tissue dilating catheter guiding forceps of the utility model is provided with the groove in the sharp-nose part of the dilating forceps head, so that the steel needle can be guided in a better inosculation way and reach the corresponding soft tissue layer along the guiding steel needle;

2. the forceps mouth of the guide forceps is a thin and blunt circle, so that the steel needle can be guided into the next layer of soft tissue during operation;

3. the front side of the conical cavity of the forceps head of the guide forceps is provided with an opening, which is beneficial to the separation of the catheter, especially the soft catheter, from the guide forceps.

Drawings

Fig. 1 is a schematic view of the soft tissue dilating catheter guiding forceps of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a structural view of the expanding forceps head of the present invention.

Fig. 4 is a structural view of a conventional expanding bit.

In the figure: 1. a left handle; 2. a right handle; 3. expanding the forceps heads; 31. a left half tong head; 32. a right half tong head; 4. a pressure spring; 5. a cavity; 6. an opening; 7. and (4) a groove.

Detailed Description

The following embodiments are further described with reference to the accompanying drawings.

As shown in fig. 1-3, the present embodiment provides a soft tissue dilating catheter guiding forceps, which includes a left handle 1 and a right handle 2 that are hinged to each other, wherein the front ends of the left handle 1 and the right handle 2 form a dilating forceps head 3 that can be opened and closed, the inner sides of the rear ends of the left handle 1 and the right handle 2 are provided with a pressure spring 4, the dilating forceps head 3 includes a left half forceps head 31 located at the front end of the left handle 1 and a right half forceps head 32 located at the front end of the right handle 2, after the left half forceps head 31 and the right half forceps head 32 are closed, the upper part thereof forms a conical cavity 5, the lower part thereof is in a closed pointed shape, and the front side of the conical cavity is provided with an opening 6 whose width is gradually reduced from top to bottom.

In contrast to the conventional guide jaw head construction of fig. 4, the opening 6 provided in the spreading jaw head 3 facilitates the separation of the catheter, in particular a hose, from the guide jaw.

Preferably, the inner sides of the left half tong head 31 and the right half tong head 32 forming the sharp-mouth-shaped parts are respectively provided with symmetrical grooves 7. The arrangement of the groove 7 can better match with the guide steel needle and guide the steel needle to reach the corresponding soft tissue layer.

Preferably, the cross-sectional diameter of the space formed by the two grooves 7 is 0.2-0.5mm larger than the diameter of the required guide steel needle. The groove 7 can be closer to the guide steel needle to slide into soft tissue, so that the soft tissue is protected to the maximum extent, and the damage and the bleeding are reduced to the minimum extent.

Preferably, the lower end of the left half tong head 31 and the right half tong head 32 forming the sharp-mouth-shaped portion is in a blunt circular shape. During operation, the steel needle is guided into the next layer of soft tissue.

Preferably, the length of the dilating forceps head 3 is more than 5cm, and dilating forceps of more than 5cm are more suitable for the structure.

The following is the detailed process of using the soft tissue dilating catheter guiding forceps to perform the puncture abdominal catheterization:

1. tool: the utility model relates to a soft tissue dilating catheter guiding forceps, a soft tissue puncture needle and a color ultrasonic machine;

2. the method comprises the following operation steps: a conventional disinfection drape, 0.5-1 cm of skin at a puncture point is incised, the soft tissue is expanded and separated by using the guide clamp of the utility model, a puncture needle is inserted, the color ultrasound is guided to penetrate through subcutaneous tissue to reach an abdominal rectus muscle front sheath, an expansion clamp head 3 slides to the abdominal rectus muscle front sheath along a puncture needle tube, an adjustable screw is rotated to expand and fix the opening size, the puncture needle is sent again to penetrate through the abdominal rectus muscle front sheath to reach abdominal rectus muscle, a puncture needle outer sleeve is taken out, a needle core is sent to the abdominal rectus muscle back sheath along an abdominal rectus muscle gap, a guide clamp screw is screwed back to enable a jaw to be inosculated with a steel needle and slide into the jaw of the expansion clamp head 3 to reach the abdominal rectus muscle back sheath, the puncture needle outer sleeve is sleeved again, the puncture needle penetrates through the abdominal rectus muscle back sheath and the peritoneum, the needle core extends out, the outer sleeve is withdrawn, the needle core is retained, the soft tissue is separated again, the guide clamp is screwed back to be inosculated along the needle core and slides down to enable the jaw to enter the jaw to be larger than a cross section of the abdominal transparent tube, the jaw is rotated and regulated and expanded to the size again, fixing the guide clamp therein, withdrawing the needle core, sending the peritoneal dialysis catheter into the abdominal cavity along the cavity 5, pressing the peritoneal dialysis catheter with one hand to separate the peritoneal dialysis catheter from the opening 6, withdrawing the guide clamp, tunneling, connecting an external short tube, suturing a skin incision, applying sterile gauze, and fixing adhesive plaster. The puncture needle used in the utility model is a puncture needle with a separable needle core and an outer sleeve.

The soft tissue dilating catheter guiding forceps of the utility model can also be used for the puncture operation of other hollow organs.

The embodiments of the present invention have been described in detail, and to those skilled in the art, according to the idea of the embodiments of the present invention, there are changes in the specific implementation and application range, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a soft tissue expansion pipe guide pincers, includes articulated left handle (1) and right handle (2), the front end of left handle (1) and right handle (2) forms expansion binding clip (3) that can open and shut, and the rear end inboard of left handle (1) and right handle (2) is provided with pressure spring (4), its characterized in that: the expansion binding clip (3) is including half left binding clip (31) that are located left handle (1) front end and half right binding clip (32) that are located right handle (2) front end, and its upper portion forms coniform cavity (5) after half left binding clip (31) and half right binding clip (32) are closed, and the lower part is closed sharp mouth form, and the front side of this coniform cavity is equipped with from last opening (6) that reduce in proper order to the width down.

2. The soft tissue dilation catheter guide forceps of claim 1, wherein: symmetrical grooves (7) are respectively formed in the inner sides of the sharp-mouth-shaped parts formed by the left half tong head (31) and the right half tong head (32).

3. The soft tissue dilation catheter guide forceps of claim 1, wherein: the lower port of the sharp-nose-shaped part formed by the left half tong head (31) and the right half tong head (32) is in a blunt round shape.

4. The soft tissue dilation catheter guide forceps of claim 1, wherein: the length of the expansion binding clip (3) is more than 5 cm; the joint of the left handle (1) and the right handle (2) close to the expansion binding clip (3) is provided with a knob component capable of adjusting the opening amplitude of the left half binding clip (31) and the right half binding clip (32).