CN218165335U

CN218165335U - Gun type surgical forceps and system with same

Info

Publication number: CN218165335U
Application number: CN202221203520.9U
Authority: CN
Inventors: 冯冬刚; 郑鹏; 吴秋菊
Original assignee: Zhejiang Medical Technology Co ltd
Current assignee: Zhejiang Medical Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-12-30
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a gun type surgical forceps and a system with the same, the surgical forceps comprises a casing, a trigger and a forceps body component, the casing comprises a handle part and an installation part, the installation part is installed in front of the handle part, the longitudinal axis of the installation part transversely extends, the handle part extends from bottom to top, the longitudinal axis of the handle part is vertical to the longitudinal axis of the installation part or is intersected with the longitudinal axis of the installation part in an acute angle; the clamp body assembly comprises a clamp pipe and a clamp sheet, wherein the axis of the clamp pipe extends along the transverse direction, one end of the clamp pipe is arranged in the installation part, the other end of the clamp pipe extends out of the installation part, namely, the part of the pipe section of the clamp pipe which is transversely arranged penetrates through the installation part, the rest pipe section extends out of the installation part, and the clamp sheet is hinged on the pipe section of the clamp pipe which extends out of the installation part; the trigger is rotationally connected to the mounting part, and the trigger is used for controlling the clamp pipe and the clamp piece to be closed or opened so as to realize clamping.

Description

Gun type surgical forceps and system with same

Technical Field

The utility model relates to the field of medical equipment, concretely relates to gun type operation pincers and have its system.

Background

The existing laparoscopic surgical forceps realize the operation of tissues through the mechanical clamping of two jaws, and have the problems of labor-consuming operation, easy slipping or damage and the like during the clamping and the tissue traction. The negative pressure technology is widely applied in the medical field, realizes the clamping and negative pressure suction of tissues through the combination of the negative pressure and the clamping mechanism, has the advantages of convenient, flexible and quick operation and comfortable use of instruments, and ensures that doctors can rapidly and accurately cut diseased tissues. After the renal pedicle is blocked, the time is controlled within 15-30 min, so that instruments which are convenient, flexible and quick to operate and comfortable to use are needed, and doctors can cut diseased tissues quickly and accurately.

CN105078542A, CN204951146U and CN201275107Y all disclose an operation forceps with a suction function, however, the handles of the operation forceps are held by fingers, the torque cannot be effectively transmitted, in addition, the hands are easy to fatigue, and the tissue damage is easily caused by misoperation; and the size of the clamp head clamp rod is too large to pass through the puncture outfit, the clamp head can only keep one state in the body, the angle can not be adjusted, the clamping is inconvenient, and in addition, when the clamp head is in a spoon shape, the clamp body can not clamp the tissue of the human body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gun-type operating forceps, which comprises a casing, a trigger and a forceps body component,

the casing comprises a handle part and a mounting part, the mounting part is mounted in front of the handle part, the longitudinal axis of the mounting part transversely extends, the handle part extends from bottom to top, and the longitudinal axis of the handle part is vertical to the longitudinal axis of the mounting part or is intersected with the longitudinal axis of the mounting part at an acute angle;

the clamp body assembly comprises a clamp pipe and a clamp sheet, wherein the axis of the clamp pipe extends along the transverse direction, one end of the clamp pipe is arranged in the installation part, the other end of the clamp pipe extends out of the installation part, namely, the part of the pipe section of the clamp pipe which is transversely arranged penetrates through the installation part, the rest pipe section extends out of the installation part, and the clamp sheet is hinged on the pipe section of the clamp pipe which extends out of the installation part;

the trigger is rotationally connected to the mounting part, is positioned in front of the handle part, and the longitudinal line of the trigger is parallel or approximately parallel to the longitudinal axis of the handle part, and is used for controlling the clamp tube and the clamp sheet to be closed or opened so as to realize the clamping function.

Preferably, the clamp piece can be directly hinged with the mounting part or further hinged with the mounting part through an intermediate connecting piece, and the trigger drives the clamp pipe to displace in the front-back direction through a transmission mechanism.

Preferably, a first elastic reset piece is arranged between the trigger and the mounting part.

Preferably, one surface of the clamp pipe corresponding to the clamp sheet is a plane, and the other surfaces are arc surfaces extending in the circumferential direction.

Preferably, the clamp tube and the clamp plate have serrated edges.

The utility model discloses further provide a surgical forceps system, this system includes aforementioned gun type surgical forceps and attract the pipe, should attract pipe and tong pipe fluid intercommunication.

The utility model provides a pair of surgical forceps adopts the gun type grab handle form, has given up the current tong bar form of finger control, uses lightly laborsavingly, controls more easily.

Drawings

Fig. 1 is a schematic structural view of an operating forceps provided by an embodiment of the present invention;

fig. 2 is a schematic view illustrating opening of jaws of a pair of surgical forceps according to an embodiment of the present invention;

FIG. 3 is a sectional view of the surgical clamp according to the embodiment of the present invention;

fig. 4 is a schematic view of a part of the structure of the forceps provided by the embodiment of the present invention.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present embodiment provides a gun-type surgical forceps, which includes a housing 1, a trigger 2, a forceps body assembly 3 and a suction tube 5, wherein the housing 1 includes a handle portion 11 and a mounting portion 12, the mounting portion 12 is mounted in front of the handle portion 11, a longitudinal axis of the mounting portion extends transversely, the "longitudinal axis" herein refers to an axis extending along a length direction of the corresponding component, and the handle portion extends from bottom to top; the forceps body assembly and the suction tube are arranged on the installation part to respectively realize clamping and suction functions, the suction tube sucks biological tissues clamped by the forceps body assembly out of the body, and the trigger is used for driving the forceps body to open and close to realize the clamping and suction functions.

The utility model discloses an in some embodiments, the longitudinal axis of gripe portion 11 is perpendicular or is the acute angle crossing with the longitudinal axis of installation department 12, so, installation department 12 is horizontal state, and gripe portion is vertical or vertical tilt state, so, the user can the palm grip the grab handle, feels comfortable, and the easier application of force, is difficult for taking place fatigue. In addition, because the mounting part is arranged in front of the handle part, the whole body can be transversely arranged on the table top, the placement is more convenient, and the clamp body is not easy to be polluted; the present embodiment provides a handle portion having a geometry that is ergonomic and easy to hold by a user.

The manual control part that this implementation provided is gun type grab handle form, has abandoned the pincers pole form of current finger control, uses lightly laborsaving, and is controlled more easily. The utility model provides an operation pincers are mainly applied to the partial excision of kidney art, and this apparatus integration separation pincers are same medical instrument with attracting the pipe, so in the different stages of operation, no longer need use solitary separation pincers, operation pincers to get into the abdominal cavity repeatedly in proper order, simplify the flow, shorten the operation time. And is provided with

It should be noted that the directions or positional relationships indicated by "up", "down", "near", "far", "left", "right", "front", "back", "transverse", "axial", etc. in this document are all directions or positional relationships based on the surgical clip being placed on a horizontal plane, where "near" refers to the side of the surgical clip close to the surgeon, "far" refers to the side of the surgical clip far from the surgeon, and "transverse" refers to the horizontal direction or the approximately horizontal direction.

In some embodiments of the present invention, the trigger 2 is rotatably connected to the mounting portion 12. In some embodiments, the trigger 2 is located in front of the grip portion 11 and the longitudinal line thereof is parallel or substantially parallel to the longitudinal axis of the grip portion, so that the user can grip the wrench, the operation is flexible, and the hand is fatigued.

Trigger 2 can pivot for this handle portion 11, and pincers body subassembly 3 includes that the axis is along transversely extending's pincers pipe 31 and pincers piece 32, pincers pipe 31 one end sets up in installation department 12, the other end of pincers pipe 31 stretches out installation department 12, the horizontal pincers pipe section of pipe portion that promptly runs through this installation department and sets up, and the remaining pipe section stretches out the installation department, and pincers piece 32 articulates on the pipe section that pincers pipe 31 stretches out installation department 12, so the near side pipe section of pincers pipe 31 forms the jaw with pincers piece 32, trigger 2 is used for controlling pincers pipe 31 and pincers piece 32 closure or opens in order to realize pressing from both sides the function. In addition, the fluid channel defined by the forceps tube is used for the circulation of biological tissues or liquid so as to be combined with the suction tube, and the negative pressure derivation of the biological tissues of the forceps is realized.

In some embodiments of the present invention, the trigger 2 converts its own rotation into a horizontal translation of the clamp tube 31 through a transmission mechanism, and the clamp piece 32 can be directly hinged to the mounting portion or further hinged to the mounting portion through an intermediate connecting member; thus, referring to fig. 2, when the trigger drives the clamp tube 31 to move forward in the horizontal direction, the clamp piece in the closed state is converted into the open state by being pulled by the mounting portion; specifically, when the trigger 2 is pulled, the clamp tube 31 is moved forward or backward in the horizontal direction, and the clamp piece 32 hinged to the clamp tube 31 can be opened or closed compared to the clamp tube 31. In some embodiments, a first elastic reset piece 6 is arranged between the trigger 2 and the mounting portion 12, for example, the trigger 2 is manually pulled to pivot towards the handle portion 11, the trigger 2 applies force to the first elastic reset piece 6, the first elastic reset piece 6 is switched from a relaxed state to a tensed state, and the clamp tube 31 moves backwards to drive the clamp piece 32 to close; and (3) loosening the trigger 2, wherein the first elastic resetting piece 6 provides resetting power for the trigger 2, the trigger 2 drives the clamp tube 31 to move forwards, and the clamp piece 32 which is restrained by the mounting part is opened to form a clamp together with the clamp tube. It will be appreciated that the angle of the jaw formed by the jaw tube 31 and the jaw piece 32 can be controlled by controlling the angle of pivoting of the trigger 2; in the present embodiment, the maximum opening angle of the forceps blades 32 is 60 ° compared to the forceps tube 31.

In this embodiment, the forceps body assembly further includes an outer tube 33, the forceps tube 31 is nested inside the outer tube 33, the outer tube 33 does not interfere with the translational movement of the forceps tube 21, and the forceps blades 32 are hinged on the outer tube 33 to movably connect the forceps blades 32 with the mounting portion, so that the translational movement of the forceps tube 31 can realize the opening or closing of the forceps blades; illustratively, a part of the distal end of the outer tube 33 extends forward to form a connecting piece 331, the proximal side of the forceps piece is rotatably connected to the forceps tube 31 and the connecting piece through a first movable shaft 311 and a second movable shaft 321, respectively, the forceps tube is displaced in the horizontal direction to drive the second movable shaft to be displaced in the horizontal direction, and thus the forceps piece is driven to rotate to realize opening or closing.

Specifically, the front end of the forceps tube 31 is provided with a through hole 311. In some embodiments, the front side of the mounting portion 12 forms an opening 121, and the outer tube 33 extends through the opening 121 to enter the mounting portion 12.

In some embodiments of the present invention, the suction tube is a suction hose 51, and the suction tube is used for biological tissue or liquid in the surgical forceps tube 31, so that the suction tube 51 can be connected to the forceps tube 31 in a fluid communication manner, for example, the suction tube 51 can be disposed through the body.

In some other embodiments of the present invention, the transmission mechanism may be implemented by various structural forms. Specifically, the forceps body assembly disclosed in this embodiment further includes a movable seat 13 installed in the installation portion 12, a communicating cavity penetrating from front to back is formed in the movable seat 13, the forceps tube 31 is connected with the communicating cavity in a sealing manner, and the distal end of the suction tube 51 is connected with the communicating cavity in a sealing and communicating manner, so that the forceps tube 31 and the suction tube 51 are in fluid communication through the communicating cavity 100, so that biological tissues, liquids and the like can be sucked to the outside of the body through the fluid channel.

Specifically, the clamp tube 31 is hermetically connected to the communicating cavity through a sealing ring 300.

Further, trigger 2 includes spanner 21 and sets up in the connecting seat 22 of spanner 21 upper end, connecting seat 22 rotationally installs in installation department 12, form vertical spout on the connecting seat 22, remove seat 13 with vertical spout sliding connection, pull spanner 21, connecting seat 22 converts the pivot displacement of trigger 2 into the motion of removal seat horizontal direction with the cooperation of removing seat 13 to finally drive the horizontal direction motion of pincers pipe 31, therefore should remove seat and connecting seat and realized aforementioned drive mechanism's function.

In this embodiment, the connecting seat 22 includes a pivot portion 221, and a left connecting plate 222 and a right connecting plate (not shown) connected to the left and right sides of the pivot portion, the left connecting plate 222 and the right connecting plate respectively form a left sliding slot 220 and a right sliding slot extending vertically, the pivot portion 221 is pivotally installed inside the mounting portion 12, the moving seat 13 respectively forms a left sliding member 131 and a right sliding member towards the left and right sides, and the left sliding member 131 and the right sliding member are respectively slidably connected with the left sliding slot 220 and the right sliding slot.

The first elastic reset part 8 is arranged between the pivot part 221 and the mounting part 12, as mentioned above, the first elastic reset part 6 is adapted to provide reset power for resetting the trigger 2, so that the trigger 2 has a tense state and a reset state, when the trigger is in the tense state, the forceps tube 31 and the forceps piece 32 are closed or opened at a small angle, when the trigger 2 is in the reset state, the forceps tube 31 and the forceps piece 32 are opened at a maximum angle.

In the embodiment, the outer tube 33 is in sealing fit with the opening of the mounting part through the sealing ring 35, so that the biological tissue or liquid is prevented from entering the mounting part under the action of negative pressure to cause pollution and equipment damage; the sealing ring may also be arranged between the turntable and the outer tube 33.

In some preferred embodiments, in this embodiment, one surface of the forceps tube 31 corresponding to the forceps sheet 32 is a plane 312, and the other surfaces are arc surfaces extending circumferentially, so that the forceps formed by the forceps tube 31 and the forceps sheet 32 can be clamped more conveniently and are not easy to fall off; in particular, the clamp tube and the clamp piece are provided with sawtooth-shaped edges, so that the formed clamp can be peeled and clamped more easily.

In some embodiments of the present invention, the suction tube is a suction tube 51, and the suction tube extends from the movable seat to the near side, runs through the installation portion and the handle portion, and finally extends to the outside of the housing, and the suction tube is convenient to float under the belt of the movable seat 13.

The utility model provides a geometrical shape of the handle part of the surgical forceps accords with the human engineering principle, facilitates force application, and the hands of a doctor are not easy to be fatigued, thereby being suitable for long-time clinical operations.

The surgical forceps provided by the utility model integrates the suction tube and the forceps body component together to form the same instrument, and the separation and suction functions are convenient and reliable to switch.

In the description of the present specification, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A gun type surgical clamp is characterized by comprising a machine shell, a trigger and a clamp body assembly, wherein the machine shell comprises a handle part and a mounting part, the mounting part is mounted in front of the handle part, the longitudinal axis of the mounting part extends transversely, the handle part extends from bottom to top, and the longitudinal axis of the handle part is vertical to or intersected with the longitudinal axis of the mounting part at an acute angle;

2. The gun-type surgical forceps of claim 1, wherein the blades articulate directly with the mounting portion.

3. The gun-type surgical forceps of claim 1, wherein the forceps blades are further hinged to the mounting portion by an intermediate link, and the trigger drives the forceps tube to move forward and backward by a transmission mechanism.

4. The gun-type surgical forceps of claim 1, wherein a first resilient return member is disposed between the trigger and the mounting portion.

5. The gun-type surgical forceps of claim 1, wherein the forceps tube has a flat surface on a side thereof corresponding to the blade, and a circumferentially extending curved surface on the other side thereof.

6. The gun-type surgical forceps of claim 5, wherein the forceps tube and the forceps blades have serrated edges.

7. A forceps system comprising the gun-type forceps of any one of claims 1-6 and a suction tube in fluid communication with the forceps tube.