CN215584232U

CN215584232U - Lymph node forceps for laparoscope

Info

Publication number: CN215584232U
Application number: CN202122114409.4U
Authority: CN
Inventors: 何善阳; 梁穗英
Original assignee: Guangdong General Hospital
Current assignee: Guangdong General Hospital
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-21
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a lymph gland forceps for a laparoscope, which comprises two handles and a joint for hinging the two handles, wherein two forceps rods are fixed at the hinged ends of the two handles in a crossed manner, forceps heads are fixedly arranged at one ends of the two forceps rods, each forceps head comprises a forceps and a pipe body, the pipe bodies are sleeved outside the forceps rods and are fixedly connected with the forceps rods through fastening nuts, a reversing regulator capable of adjusting the using angle of the forceps is arranged at one end of each pipe body, a spherical cavity is arranged in the reversing regulator, a universal ball capable of freely rotating is embedded in the spherical cavity, the universal ball freely rotates in the spherical cavity to adjust the angle, so that the using angle of the forceps can be changed according to needs, when in use, a fixing block slides in a guide groove by rotating a butterfly bolt through the thread relationship between the butterfly bolt and a threaded pipe, and further loosens or clamps the universal ball, simple operation and convenient use.

Description

Lymph node forceps for laparoscope

Technical Field

The utility model belongs to the related technical field of laparoscopic surgery tools, and particularly relates to lymph node forceps for a laparoscope.

Background

Lymph node forceps are also known as lymph node grasping forceps or lymph node grasping forceps. The head of the traditional lymph node forceps is oval or round, is divided into two types of dentations and non-dentations, and is mainly used for clamping or grabbing lymph node tissues and in-vivo foreign bodies or other pathological tissues for pathological sampling analysis. In order to enable doctors to better observe the condition of clamping and grabbing objects and reduce the occurrence of accidents, the structure of the lymph node forceps has certain requirements.

To this end, application number CN201620183467.9 discloses a multifunctional lymph node forceps for single-port thoracoscopic surgery, which comprises an annular handle, a first joint, a forceps body, a second joint and an arc-shaped net annular forceps head; the annular handle is connected to the bottom of the forceps body through a first joint, and the arc-shaped net annular forceps head is arranged at the top of the forceps body through a second joint; the arc-shaped net annular tong head comprises an arc-shaped frame body and a net-shaped structure arranged in the arc-shaped frame body; the inner side surface of the annular tong head of the arc-shaped net is a sawtooth surface; the end of the second joint is bent outward. The forceps head of the lymph node forceps is changed into an arc net shape, so that the forceps head is convenient for single-hole thoracoscope surgery; the extrusion to lymph nodes is greatly reduced when the lymph nodes are grabbed and clamped, and the tumor cells in the lymph nodes are prevented from being extruded and transferred to other tissues; the mesh design enables an operator to better observe the situation of clamping and grabbing objects, and has the clamping function of a common oval forceps.

Although the above documents have many advantages, the following problems still exist that the forceps heads are fixed and do not have an adjusting function, and the lymph node forceps with different shapes need to be replaced or used simultaneously due to different clamping angles required in the operation process, so that the use is very inconvenient, in addition, the length of the forceps body cannot be freely adjusted, and the use effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lymph node forceps for a laparoscope, which solves the problem that the angle of a forceps head and the length of a forceps body cannot be adjusted in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the lymph node forceps for the laparoscope comprise two handles and a joint for connecting the two handles in a hinged mode, wherein two forceps rods are fixed at the hinged ends of the two handles in a crossed mode, and forceps heads are fixedly installed at one ends of the two forceps rods;

the binding clip comprises a clamp and a tube body, the tube body is sleeved outside the binding clip, the tube body is fixedly connected with the binding clip through a fastening nut, and one end of the tube body is fixedly connected with a reversing regulator for regulating the use angle of the clamp.

Preferably, the switching-over regulator includes the shell body, the inside cavity of shell body forms spherical chamber, inlay in the spherical chamber and be equipped with universal ball that can free rotation, the one end and the universal ball fixed connection of clamp, still set up the guide way with spherical chamber intercommunication in the shell body, sliding connection has the fixed block in the guide way, fixedly connected with screwed pipe on the outer wall of fixed block, threaded connection has butterfly bolt in the screwed pipe.

Preferably, the outer wall of the outer shell is provided with a movable notch communicated with the spherical cavity, and the movable notch is of a trumpet-shaped structure.

Preferably, the outer wall of the outer shell is further provided with a through hole, and the butterfly bolt is rotatably connected with the inner wall of the through hole.

Preferably, a friction surface is arranged on the spherical surface of the universal ball, the shape of the fixing block is matched with that of the universal ball, and a friction bump is arranged on the outer wall of one side, facing the universal ball, of the fixing block.

Preferably, the side wall of the outer end part of the clamp is provided with a sawtooth surface.

Compared with the prior lymph node forceps technology, the utility model provides lymph node forceps for a laparoscope, which have the following beneficial effects:

1. according to the utility model, the reversing regulator capable of adjusting the using angle of the clamp is arranged at one end of the pipe body, the spherical cavity is arranged in the reversing regulator, the universal ball capable of freely rotating is embedded in the spherical cavity, and the angle is freely adjusted in the spherical cavity through the universal ball, so that the using angle of the clamp can be changed as required;

2. according to the utility model, the friction surface is arranged on the spherical surface of the universal ball, the shape of the fixed block is matched with that of the universal ball, the outer wall of one side of the fixed block, which faces the universal ball, is provided with the friction convex point, the universal ball is tightly propped against the fixed block, and the friction force of the contact surface is increased under the action of the friction convex point on the fixed block and the friction surface on the spherical surface of the universal ball, so that the anti-skidding and reinforcing effects are achieved;

3. according to the utility model, the detachable and replaceable binding clip is arranged at one end of the binding clip, the binding clip consists of the clamp and the tube body, the tube body can be sleeved outside the binding clip and fixed through the fastening nut, and the fastening nut can be screwed up again after the position of the tube body is adjusted through loosening the fastening nut, so that the clamp can be conveniently adjusted to an appropriate length, a doctor can conveniently adjust the clamping length of the clamp body, and the operation and use are convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of a lymph node forceps for laparoscopy according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of a commutation modulator according to the present invention;

in the figure: 1. a handle; 2. a joint; 3. a binding clip; 4. a clamp lever; 5. a movable notch; 31. clamping; 32. a sawtooth surface; 33. a commutation regulator; 34. fastening a nut; 35. a pipe body; 36. a universal ball; 331. an outer housing; 332. a fixed block; 333. a butterfly bolt; 334. a threaded pipe.

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.

Referring to fig. 1-3, the present invention provides a lymph node forceps for laparoscope, which includes two handles 1 and a joint 2 for connecting the two handles 1 in an articulated manner, wherein two forceps rods 4 are fixed at the articulated ends of the two handles 1 in an intersecting manner, a forceps head 3 is fixedly installed at one end of each of the two forceps rods 4, the forceps head 3 includes a forceps 31 and a tube 35, the tube 35 is sleeved outside the forceps rods 4, the tube 35 is fixedly connected with the forceps rods 4 through a fastening nut 34, and the fastening nut 34 can be tightened again after the position of the tube 35 is adjusted by loosening the fastening nut 34, so that the forceps 31 can be conveniently adjusted to a suitable length.

It should be understood that, the switching-over regulator 33 of the one end fixedly connected with adjustment clamp 31 use angle of body 35, switching-over regulator 33 includes shell body 331, the inside cavity of shell body 331 forms spherical chamber, spherical chamber embeds has universal ball 36 that can free rotation, the one end and the universal ball 36 fixed connection of clamp 31, free rotation adjustment angle in spherical chamber through universal ball 36, thereby change the use angle of clamp 31 as required, be equipped with serration surface 32 on the outer tip lateral wall of clamp 31 in addition, can play the antiskid effect, be convenient for press from both sides the clamp of strange limb tissue and peel off.

It is worth noting that a movable notch 5 communicated with the spherical cavity is formed in the outer wall of the outer shell 331, the movable notch 5 is of a horn-shaped structure, a guide groove communicated with the spherical cavity is further formed in the outer shell 331, a fixed block 332 is connected in the guide groove in a sliding mode, a friction surface is arranged on the spherical surface of the universal ball 36, the fixed block 332 is matched with the universal ball 36 in shape, a friction bump is arranged on the outer wall of one side, facing the universal ball 36, of the fixed block 332, the universal ball 36 is tightly propped against the fixed block 332, and the friction force of a contact surface is increased under the action of the friction bump on the fixed block 332 and the friction surface on the spherical surface of the universal ball 36, so that the anti-skidding and reinforcing effects are achieved.

It should be noted that a threaded pipe 334 is fixedly connected to the outer wall of the fixing block 332, a butterfly bolt 333 is connected to the threaded pipe 334 through a thread, a through hole is further formed in the outer wall of the outer shell 331, the butterfly bolt 333 is rotatably connected to the inner wall of the through hole, and the fixing block 332 can slide in the guide groove by rotating the butterfly bolt 333 and the threaded relation between the butterfly bolt 333 and the threaded pipe 334, so that the universal ball 36 is loosened or clamped.

The working principle and the using process of the utility model are as follows: when the clamp is used, the clamp 31 can be adjusted to a proper length as required by loosening the fastening nut 34, adjusting the position of the pipe body 35 in a telescopic mode and then tightening the fastening nut 34 again, in addition, the fixing block 332 can slide in the guide groove by rotating the butterfly bolt 333 through the thread relation between the butterfly bolt 333 and the threaded pipe 334 so as to loosen the universal ball 36, then the clamp 31 is rotated to enable the universal ball 36 to rotate freely in the spherical cavity for adjusting the angle, then the butterfly bolt 333 is rotated reversely, the universal ball 36 is pressed tightly through the fixing block 332, and the friction force of the contact surface is increased under the action of the friction salient point on the fixing block 332 and the friction surface on the spherical surface of the universal ball 36, so that the anti-skidding and reinforcing effects are achieved, the clamp 31 is fixed on a certain angle, and the clamping operation through the two clamps 31 is convenient after a doctor holds the handle 1 by hands.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Peritoneoscope lymph node forceps includes two handles and makes the articulated joint of connecting of two handles, its characterized in that: the hinged ends of the two handles are fixed with two clamp rods in a crossed manner, and one ends of the two clamp rods are fixedly provided with clamp heads;

2. The laparoscopic lymph node forceps according to claim 1, wherein: the switching-over regulator includes the shell body, the inside cavity of shell body forms spherical chamber, inlay in the spherical chamber and be equipped with universal ball that can free rotation, the one end and the universal ball fixed connection of clamp, still set up the guide way with spherical chamber intercommunication in the shell body, sliding connection has the fixed block in the guide way, fixedly connected with screwed pipe on the outer wall of fixed block, threaded connection has butterfly bolt in the screwed pipe.

3. The laparoscopic lymph node forceps according to claim 2, wherein: the outer wall of the outer shell is provided with a movable notch communicated with the spherical cavity, and the movable notch is of a horn-shaped structure.

4. The laparoscopic lymph node forceps according to claim 2, wherein: the outer wall of the outer shell is further provided with a through hole, and the butterfly bolt is rotatably connected with the inner wall of the through hole.

5. The laparoscopic lymph node forceps according to claim 2, wherein: the universal ball is characterized in that a friction surface is arranged on the spherical surface of the universal ball, the shape of the fixing block is matched with that of the universal ball, and a friction salient point is arranged on the outer wall of one side, facing the universal ball, of the fixing block.

6. The laparoscopic lymph node forceps according to claim 1, wherein: and the side wall of the outer end part of the clamp is provided with a sawtooth surface.