CN215129611U

CN215129611U - Grasping forceps head with flexible protection

Info

Publication number: CN215129611U
Application number: CN202023344041.2U
Authority: CN
Inventors: 刘男; 贺丁丁; 雷云; 孙学战
Original assignee: Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-14
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a take flexible protection's nipper head. The utility model discloses, to among the prior art centre gripping pincers the binding clip exert great clamping-force for pressing from both sides tightly to surgical instruments or human tissue, lead to surgical instruments's damage or the problem of human tissue's damage easily, provide a take flexible protection's nipper head, rotate the binding clip body of connection on the connecting rod including connecting rod and two at least, binding clip body one side is equipped with the clamping face, still including the flexible protection piece that sets up on the binding clip body, flexible protection piece covers on the clamping face. The utility model discloses be equipped with flexible protection piece on the clamping face, flexible protection piece makes the nipper head can not cause the damage to medical instrument or human tissue in the operation as the buffer layer of nipper head.

Description

Grasping forceps head with flexible protection

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a take flexible protection's nipper head.

Background

The minimally invasive surgery is to apply modern advanced technologies such as electronic imaging, cold light source, electrocoagulation system and the like, to replace the direct vision with the electronic mirror imaging, to replace the traditional scalpel with a slender endoscopic instrument, and to strive for the minimum incision path to complete the diagnosis and treatment of the focus in vivo. With the development of minimally invasive medical technology, minimally invasive surgical instruments are also continuously innovated. However, when the surgical instrument or the human tissue is clamped by the clamping forceps, the head of the clamping forceps applies a large clamping force to the surgical instrument or the human tissue for clamping, which easily causes damage to the surgical instrument or damage to the human tissue.

In order to solve the problems of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses an open surgical intestinal grasper [ application No.: 201120080772.2], comprising a fixed handle, a movable handle, a clamp rod, a pull rod, a clamp seat, a rotating wheel device and a clamp, wherein the fixed handle is connected with the movable handle through a fixed bolt; one end of the clamp rod is fixed with the rotating wheel device, the other end of the clamp rod is fixed with the clamp seat, and the rotating wheel device is connected with the fixed handle; the pull rod penetrates through the clamp rod and the rotating wheel device, one end of the pull rod is installed on the movable handle, and the other end of the pull rod is connected with the clamp; the clamp have two, two clamps are installed on the pincers clamp seat, all opened the clamp tooth on two clamps to match each other.

The utility model discloses a patent has solved to a certain extent that existing equipment snatchs the advantage of firm problem inadequately, but it does not solve above-mentioned problem.

Disclosure of Invention

The utility model aims at the above problem, provide a flexible protection's of taking nipper head that can prevent apparatus or human tissue from being injured.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a take flexible protection's nipper head, rotates the binding clip body of connecting at the binding clip pole distal end including binding clip pole and two, and the outer end of two binding clip bodies corresponds the setting, and each binding clip body forms the clamping face towards one side of another binding clip body, and two clamping faces set up in opposite directions, and two binding clip bodies all link to each other with binding clip body control mechanism, still including the flexible protection piece that sets up on the binding clip body, flexible protection piece has the flexible protection portion that covers the clamping face at least.

In the grasping forceps head with the flexible protection, the flexible protection piece is sleeved on the forceps head body, and the outer surface of the flexible protection part is provided with an anti-skidding structure.

In the flexible-protection grasping forceps head, the anti-slip structure comprises a plurality of anti-slip salient points protruding out of the surface of the flexible protection part, the anti-slip salient points are uniformly distributed, and the surface of each anti-slip salient point is smooth.

In the grasping forceps head with the flexible protection, the clamping surface of each forceps head body is provided with a clamping groove which is sunken towards the inside of the forceps head body, the two clamping grooves can be mutually closed by rotating the forceps head bodies, and the bottom surfaces of the clamping grooves are arc-shaped.

In the grasping forceps head with the flexible protection, a connecting cavity is arranged in the flexible protection piece, an opening is arranged at one end of the flexible protection piece, the opening is communicated with the connecting cavity, and the flexible protection piece is fixedly sleeved on the forceps head body from the opening; or the flexible protection piece is directly formed on the tong head body.

In the gripping head with the flexible protection, the head body comprises a connecting part and a clamping part which are fixedly connected, one end of the connecting part, which is far away from the clamping part, is rotatably connected onto the connecting rod, the clamping surface is positioned on one side of the clamping part, the clamping part extends into the connecting cavity through the opening, and one end of the flexible protection part is pressed on the limiting surface.

In the gripping head with the flexible protection, the flexible protection piece comprises a protection layer, the inner surface of the protection layer is attached to the clamping surface, two sides of the protection layer are respectively connected with a limiting layer, the inner surface of the limiting layer is attached to the side surface of the gripping head body, one ends, far away from the protection layer, of the two limiting layers are connected through a connecting layer, and the protection layer, the limiting layers and the connecting layer are wound outside the connecting cavity.

In foretell take flexible protection's nipper head, the articulamentum includes a plurality of location rib, the both ends of location rib respectively with two spacing layer fixed connection, a side surface that the clamping face was kept away from to the clamping part has a plurality of to the inside sunken positioning groove of clamping part, location rib and positioning groove one-to-one setting, and positioning groove's size and shape homogeneous phase adaptation, be parallel to each other between the location rib, the fretwork cavity has between two adjacent location ribs, the fretwork cavity is linked together with the connection cavity.

In the grasping forceps head with the flexible protection, the forceps head manipulation control mechanism comprises a forceps head pull rod which is axially movably arranged at the center of the forceps head rod in a penetrating manner, the front end of the forceps head pull rod is coaxially and rotatably connected with two connecting rods, the other ends of the connecting rods are respectively and rotatably connected with the rear end of a forceps head body which is in cross rotation connection, and the cross rotation connection point of the forceps head body is positioned in front of the coaxial rotation connection point.

In the grasping head with the flexible protection, the flexible protection member is made of a silicone material or a rubber material.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with flexible protection piece on the clamping face, flexible protection piece makes the nipper head can not cause the damage to medical instrument or human tissue in the operation as the buffer layer of nipper head.

2. The utility model has the advantages of reasonable design, can press from both sides tight medical instrument during the operation effectively to the skid resistant course through flexible protection piece makes equipment can not the slippage, makes the operation go on smoothly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

figure 2 is an exploded view of the jaw body and flexible guard in a separated state;

FIG. 3 is a perspective view of the flexible protector;

in the figure: the clamp head comprises a clamp head rod 1, a clamp head body 2, a clamping surface 3, a flexible protection piece 4, a clamping groove 5, a connecting cavity 6, an opening 7, a clamp head body operation control mechanism 8, a connecting portion 21, a clamping portion 22, a limiting surface 23, a positioning groove 24, a protection layer 41, an anti-skidding structure 42, anti-skidding convex points 43, positioning ribs 44, a hollow cavity 45, a limiting layer 46, a connecting layer 47 and a flexible protection portion 48.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the present embodiment mainly includes a bit bar 1, a bit body 2, a clamping surface 3, and a flexible protection member 4. Wherein at least two jaw bodies 2 are rotatably connected to the connecting rod 1, the flexible protection member 4 is arranged on the jaw bodies 2, and the flexible protection member 4 is provided with a flexible protection part 48 at least covering the clamping surface 3. The utility model discloses in, the apparatus by the centre gripping uses the cylinder equipment as an example, and the clamping face of jaw body coats promptly has flexible protection piece, rotates the jaw body back, through the stable firm and nondestructive ground centre gripping cylinder medical equipment of flexible protection piece, compares the mode operation in prior art more safe simple, and then realizes going on smoothly of operation. The flexible protection 4 is also preferably made of a silicone material or a rubber material.

The opening and closing of the jaw body 2 is controlled by a jaw body control mechanism 8. Specifically, binding clip gymnastic mechanism 8 includes that the axial activity wears to locate the binding clip pull rod at binding clip pole 1 center, binding clip pull rod coaxial rotation in front end is connected with two connecting rods, the connecting rod other end rotates respectively to be connected in alternately turning connection's binding clip body 2 rear end, binding clip body 2 alternately turns the tie point and is located coaxial rotation tie point the place ahead.

Referring to fig. 1, each clamping surface 3 of each jaw body 2 is provided with a clamping groove 5 recessed toward the inside of the jaw body, and the two clamping grooves 5 can be attached to each other by rotating the jaw body 2, wherein the bottom surface of each clamping groove 5 is arc-shaped, and the arc-shaped bottom surface can be better adapted to a cylindrical device to be clamped.

Referring to fig. 2 and 3, the opening 7 at one end of the flexible protection member 4 is communicated with the connecting cavity 6, and the holding portion 22 of the jaw body 2 extends into the connecting cavity 6 through the opening 7, and at this time, one end of the flexible protection member 4 is pressed on the limiting surface 23. The end of the flexible protection member 4 and the limiting surface 23 are abutted against each other to limit and position the mounting position of the flexible protection member 4. Meanwhile, two sides of the protective layer 41 are respectively connected with a limiting layer 46, the inner surface of each limiting layer is attached to the side face of the binding clip body 2, one ends, far away from the protective layer 41, of the two limiting layers 46 are connected through a connecting layer 47, and the protective layer 41, the limiting layers 46 and the connecting layer 47 surround the connecting cavity 6.

The protective layer 41, the limiting layer 46 and the connecting layer 47 of the flexible protection member 4 jointly form a connecting cavity 6 of the flexible protection member 4, the clamping portion 22 of the forceps head body 2 enters the connecting cavity 6 through the opening 7 of the flexible protection member 4, stable combination of the forceps head body 2 and the flexible protection member 4 is achieved through clamping limitation in three directions, and the falling-off condition cannot occur in the operation process.

Referring to fig. 2 and 3, the outer surface of the protective layer 41 of the flexible protection member 4 is provided with an anti-slip structure 42, and the anti-slip structure 42 includes a plurality of anti-slip protrusions 43 protruding from the surface of the protective layer 41. The regularly arranged anti-skid salient points 43 form an anti-skid structure 42, so that the friction force of the contact surface of the flexible protection piece 4 and the clamped equipment is increased, and the clamping function of the grasping head is more stable.

Referring to fig. 1, 2 and 3, two ends of a plurality of positioning ribs 44 on the connecting layer 43 are respectively fixedly connected with the two limiting layers 42, and the positioning ribs 44 are correspondingly arranged with the positioning grooves 24 on the clamping portion 22 one by one, and are adaptive in size and shape. A hollow cavity 45 is formed between two adjacent positioning ribs 44, and the hollow cavity 45 is communicated with the connecting cavity 6. By the corresponding adaptation of the positioning ribs 44 and the positioning grooves 24, the connecting layer 43 is further stably combined with the clamping portion 22, i.e. the flexible protection member 4 is better disposed on the jaw body 2, which facilitates the operation. The hollowed-out cavity 45 reduces the overall weight and material usage of the flexible protection 4.

The utility model discloses a theory of operation is: the utility model discloses during the use, the clamping part 22 of jaw body 2 gets into through the opening 7 of flexible protection piece 4 and connects cavity 6, and the joint through protective layer 41,

spacing layer

46 and 47 three directions of articulamentum is injectd the stable combination that realizes jaw body 2 and flexible protection piece 4, makes the setting of positioning groove 24 one-to-one on location rib 44 and the clamping part 22 simultaneously, further sets up the stable setting of flexible protection piece 4 on jaw body 2. When equipment is required to be clamped, the two clamping grooves 5 can be mutually attached by rotating the tong head body 2, the cylindrical medical equipment is firmly clamped by the clamping grooves 5, and meanwhile, the anti-skidding salient points 43 on the flexible protection piece 4 are tightly attached to the cylindrical medical equipment to prevent the cylindrical medical equipment from falling off. The utility model discloses utilize flexible protection piece 4 as jaw body 2 and by the intermediate level of centre gripping equipment, compare in prior art mode, the operation is more stable and simple, is convenient for operate safely.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the bit shaft 1, the bit body 2, the clamping surface 3, the flexible protection member 4, the clamping groove 5, the connecting cavity 6, the opening 7, the bit body operation control mechanism 8, the connecting portion 21, the clamping portion 22, the limiting surface 23, the positioning groove 24, the protective layer 41, the anti-slip structure 42, the anti-slip bump 43, the positioning rib 44, the hollowed-out cavity 45, the limiting layer 46, the connecting layer 47, the flexible protection portion 48, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a take flexible protection's nipper head, rotate including nipper rod (1) and two and connect in nipper body (2) of nipper rod (1) distal end, the outer end of two nipper bodies (2) corresponds the setting, and each nipper body (2) forms clamping face (3) towards one side of another nipper body (2), and two clamping face (3) set up in opposite directions, and two nipper bodies (2) all link to each other its characterized in that with nipper body operation control mechanism (8): the clamping device further comprises a flexible protection piece (4) arranged on the jaw body (2), wherein the flexible protection piece (4) is provided with a flexible protection part (48) at least covering the clamping surface (3).

2. The grasper head with flexible protection of claim 1, wherein: the flexible protection piece (4) is sleeved on the forceps head body (2), and an anti-skidding structure (42) is arranged on the outer surface of the flexible protection part (48).

3. The grasper head with flexible protection of claim 2, wherein: the anti-skid structure (42) comprises a plurality of anti-skid salient points (43) protruding out of the surface of the flexible protection part (48), the anti-skid salient points (43) are uniformly distributed, and the surface of each anti-skid salient point (43) is smooth.

4. The grasper head with flexible protection of claim 1, wherein: clamping grooves (5) which are sunken towards the interior of the forceps head body (2) are formed in the clamping face (3) of each forceps head body (2), the two clamping grooves (5) can be mutually closed by rotating the forceps head bodies (2), and the bottom surfaces of the clamping grooves (5) are arc-shaped.

5. The grasper head with flexible protection of claim 1, wherein: a connecting cavity (6) is arranged in the flexible protection piece (4), an opening (7) is arranged at one end of the flexible protection piece (4), the opening (7) is communicated with the connecting cavity (6), and the flexible protection piece (4) is fixedly sleeved on the jaw body (2) from the opening (7); or the flexible protection piece (4) is directly formed on the forceps head body (2).

6. The grasper head with flexible protection of claim 5, wherein: the clamping jaw body (2) comprises a connecting portion (21) and a clamping portion (22) which are fixedly connected, one end, far away from the clamping portion (22), of the connecting portion (21) is rotatably connected onto the connecting rod (1), the clamping face (3) is located on one side of the clamping portion (22), the clamping portion (22) extends into the connecting cavity (6) through the opening (7), and one end of the flexible protection piece (4) is pressed on the limiting face (23).

7. The grasper head with flexible protection of claim 1, wherein: the flexible protection piece (4) comprises a protection layer (41) with an inner surface attached to the clamping surface (3), two sides of the protection layer (41) are respectively connected with a limiting layer (46) with an inner surface attached to the side surface of the jaw body (2), one ends, far away from the protection layer (41), of the two limiting layers (46) are connected through a connecting layer (47), and the protection layer (41), the limiting layers (46) and the connecting layer (47) are wound outside the connecting cavity (6).

8. The grasper head with flexible protection of claim 7, wherein: the utility model discloses a clamping structure, including clamping part (22), clamping part (22) and locating rib (23), connecting layer (47) include a plurality of locating rib (44), the both ends of locating rib (44) respectively with two spacing layer (46) fixed connection, a side surface that clamping part (22) kept away from clamping face (3) has a plurality of to the inside sunken positioning groove (24) of clamping part (22), locating rib (44) and positioning groove (24) one-to-one setting, and the size and the shape homogeneous phase adaptation of positioning rib (44) and positioning groove (23), be parallel to each other between locating rib (44), have fretwork cavity (45) between two adjacent locating rib (44), fretwork cavity (45) are linked together with connection cavity (6).

9. The grasper head with flexible protection of claim 1, wherein: the tong head body operation control mechanism (8) comprises a tong head pull rod which is axially movably arranged at the center of the tong head rod (1) in a penetrating mode, the front end of the tong head pull rod is coaxially and rotatably connected with two connecting rods, the other ends of the connecting rods are respectively rotatably connected to the rear end of a tong head body (2) which is in cross rotation connection, and cross rotation connection points of the tong head body (2) are located in front of the coaxial rotation connection points.

10. The grasper head with flexible protection of claim 1, wherein: the flexible protection member (4) is made of a silicone material or a rubber material.