CN216167697U

CN216167697U - Surgical forceps

Info

Publication number: CN216167697U
Application number: CN202122366231.2U
Authority: CN
Inventors: 胡海; 王波
Original assignee: Xuanhu Medical Technology Shanghai Co ltd
Current assignee: Xuanhu Medical Technology Shanghai Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-05
Anticipated expiration: 2031-09-28

Abstract

The utility model belongs to the technical field of medical treatment, and particularly relates to an operating forceps which comprises a fixed handle and a movable handle, wherein the upper side inside a fixed handle body is hollow, the middle upper part between the fixed handle and the movable handle is rotatably connected, the right upper side of the fixed handle is provided with an outer sleeve, a control rod is movably inserted inside the outer sleeve, the control rod penetrates through the upper side of the fixed handle and is movably connected with the movable handle, the right end of the control rod is provided with a regulating rod, and the outer wall of the regulating rod is connected with a sleeve in a sliding manner. The half clamping jaws are driven to open and close through the matching action among the half clamping jaws, the first connecting rod, the second connecting rod and the control rod, so that the half clamping jaws are opened and closed more directly, and the situation that the half clamping jaws are difficult to open and close due to intermediate transmission sliding, loosening and the like is avoided; through the cooperation between spread groove, the connecting block for the sleeve can be fixed a position in spread groove department, and it provides the basis to open and shut for half clamping jaw rotates around the crotch.

Description

Surgical forceps

Technical Field

The utility model relates to the technical field of medical treatment, in particular to an operating forceps.

Background

The surgical instruments refer to medical instruments used in clinical operations, and besides conventional surgical instruments, there are some specialized instruments: orthopedics, urology, gynecology, burn, orthopedics, brain surgery, cardiothoracic surgery, general surgery, and the like.

The operation pincers are widely used in the operation, the operation of taking and placing objects is convenient for extending into the body of a patient, the opening and closing of the pincers mouth is controlled by a driving wire of the existing operation pincers, and the operation is easy to slide so as to cause the condition that the clamping is not fastened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pair of surgical forceps, which aims to solve the problem that the conventional surgical forceps proposed in the background art is easy to slide to cause untightening clamping because the drive wire is usually used for controlling opening and closing of the jaws.

In order to achieve the purpose, the utility model provides the following technical scheme: an operating forceps comprises a fixed handle and a movable handle, wherein the upper side inside the fixed handle body is hollow, the middle upper part between the fixed handle and the movable handle is rotatably connected, the upper right side of the fixed handle is provided with an outer sleeve, a control rod is movably inserted inside the outer sleeve, the control rod penetrates through the upper side of the fixed handle and is movably connected with the movable handle, the right end of the control rod is provided with a regulating rod, the outer wall of the regulating rod is slidably connected with a sleeve, the outer wall of the sleeve is provided with a connecting block, the right end of the outer sleeve is provided with a connecting groove for clamping the connecting block, the right end of the sleeve is provided with a fork frame, the fork frame is provided with three support arms, the outer wall of the right end of the regulating rod is rotatably connected with three first connecting rods at equal intervals, and the right end of the first connecting rod is rotatably provided with a second connecting rod, the right end of the second connecting rod is rotatably provided with a half clamping jaw, and the half clamping jaw is rotatably connected with the inner wall of the fork frame;

the movable handle is driven to move relative to the fixed handle, the movable handle drives the first connecting rod and the second connecting rod to move through the control rod and the regulating rod, and the sleeve and the fork frame are limited at the connecting groove through the connecting block, so that the second connecting rod drives the half clamping jaws to rotate around the fork frame to drive the three half clamping jaws to open and close.

Further, the upper right side of fixed handle rotates installs the roating seat, the lower surface of roating seat is provided with the locking piece, the outer tube passes through the locking piece and connects on the roating seat.

Furthermore, a positioning groove is annularly formed in the left side of the outer wall of the control rod, a movable locking mechanism is arranged at the upper end of the movable handle, and the movable locking mechanism is connected with the positioning groove of the control rod.

Further, the upper end of activity handle is the cavity form, activity locking mechanism is including setting up at the inside installation card frame in activity handle upper end and connecting the fixing clip frame at installation card frame downside, the upper end of installation card frame is provided with the spliced pole, the spliced pole runs through the movable handle and extends to the upside of activity handle, the upper end of spliced pole is provided with the button, be provided with supporting spring between the lower surface of button and the upper surface of movable handle, installation card frame, fixing clip frame are the arc shape, and the inside diameter of installation card frame is greater than the inside diameter of fixing clip frame, the inside diameter of installation card frame is not less than the outer wall diameter of manipulation pole, the inside diameter of fixing clip frame is greater than the outer wall diameter that manipulation pole is located constant head tank department and is less than the outer wall diameter that manipulation pole is located non-constant head tank department.

Furthermore, the end part of the half clamping jaw is provided with a clamping hook.

Compared with the prior art, the utility model has the beneficial effects that:

1) the half clamping jaws are driven to open and close through the matching action among the half clamping jaws, the first connecting rod, the second connecting rod and the control rod, so that the half clamping jaws are opened and closed more directly, and the situation that the half clamping jaws are difficult to open and close due to intermediate transmission sliding, loosening and the like is avoided;

2) through the cooperation between spread groove, the connecting block for the sleeve can be fixed a position in spread groove department, and it provides the basis to open and shut for half clamping jaw rotates around the crotch.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the joystick of the present invention;

FIG. 3 is a schematic view of the structure of the connecting slot of the present invention;

FIG. 4 is a schematic view of the movable handle and the control lever of the present invention;

FIG. 5 is a schematic side view of the movable locking mechanism of the present invention;

FIG. 6 is a schematic view of the sleeve, spider configuration of the present invention;

FIG. 7 is a schematic view of the first link, second link, and half-jaws of the present invention in a closed configuration;

fig. 8 is a schematic view of the structure of the first connecting rod, the second connecting rod and the half clamping jaws of the utility model.

In the figure: the device comprises a fixed handle 1, a movable handle 2, a rotating seat 3, an outer sleeve 4, a control rod 5, a positioning groove 6, a button 7, an installation clamping frame 8, a fixed clamping frame 9, a supporting spring 10, a regulating rod 11, a sleeve 12, a connecting block 13, a connecting groove 14, a fork 15, a first connecting rod 16, a second connecting rod 17, a half clamping jaw 18 and a locking block 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-8, the present invention provides a technical solution: an operating forceps comprises a fixed handle 1 and a movable handle 2, wherein the upper side inside the fixed handle 1 is hollow, the middle upper part between the fixed handle 1 and the movable handle 2 is rotatably connected, the upper right side of the fixed handle 1 is provided with an outer sleeve 4, a control rod 5 is movably inserted into the outer sleeve 4, the control rod 5 penetrates through the upper side of the fixed handle 1 and is movably connected with the movable handle 2, the right end of the control rod 5 is provided with a regulating rod 11, the outer wall of the regulating rod 11 is slidably connected with a sleeve 12, the outer wall of the sleeve 12 is provided with a connecting block 13, the right end of the outer sleeve 4 is provided with a connecting groove 14 for clamping the connecting block 13, the right end of the sleeve 12 is provided with a fork frame 15, the fork frame 15 is a fork frame provided with three support arms, the outer wall of the right end of the regulating rod 11 is rotatably connected with three first connecting rods 16 at equal intervals, a second connecting rod 17 is rotatably arranged at the right end of the first connecting rod 16, a half clamping jaw 18 is rotatably arranged at the right end of the second connecting rod 17, and the half clamping jaw 18 is rotatably connected with the inner wall of the fork frame 15;

the movable handle 2 is driven to move relative to the fixed handle 1, the movable handle 2 drives the first connecting rod 16 and the second connecting rod 17 to move through the control rod 5 and the regulating rod 11, the sleeve 12 and the fork frame 15 are limited at the connecting groove 14 through the connecting block 13, so that the second connecting rod 17 drives the half clamping jaws 18 to rotate around the fork frame 15, and the three half clamping jaws 18 are driven to be opened and closed.

Preferably, the rotary base 3 is rotatably mounted on the upper right side of the fixed handle 1, the locking block 19 is arranged on the lower surface of the rotary base 3, and the outer sleeve 4 is connected to the rotary base 3 through the locking block 19.

Preferably, a positioning groove 6 is annularly formed in the left side of the outer wall of the control rod 5, a movable locking mechanism is arranged at the upper end of the movable handle 2, and the movable locking mechanism is connected with the positioning groove 6 of the control rod 5.

Preferably, the upper end of the movable handle 2 is hollow, the movable locking mechanism comprises an installation clamping frame 8 arranged inside the upper end of the movable handle 2 and a fixed clamping frame 9 connected to the lower side of the installation clamping frame 8, the upper end of the mounting clamping frame 8 is provided with a connecting column which penetrates through the movable handle 2 and extends to the upper side of the movable handle 2, a button 7 is arranged at the upper end of the connecting column, a supporting spring 10 is arranged between the lower surface of the button 7 and the upper surface of the movable handle 2, the mounting clamping frame 8 and the fixed clamping frame 9 are both arc-shaped, the inner diameter of the mounting clamping frame 8 is larger than that of the fixing clamping frame 9, the inner diameter of the mounting clamping frame 8 is not smaller than the diameter of the outer wall of the operating rod 5, the inner diameter of the fixing clamping frame 9 is larger than the diameter of the outer wall of the operating rod 5 at the positioning groove 6 and smaller than the diameter of the outer wall of the operating rod 5 at the non-positioning groove 6.

Preferably, the end of the half-jaw 18 is provided with a catch.

The working principle is as follows: during installation, the control rod 5 is inserted leftwards from the right end of the outer sleeve 4 until the control rod 5 is inserted into the inner cavity at the upper end of the movable handle 2, the button 7 is pressed, the button 7 drives the installation clamping frame 8 and the fixed clamping frame 9 to descend through the connecting column, the supporting spring 10 is compressed at the moment, the control rod 5 penetrates through the installation clamping frame 8, then the button 7 is loosened, the connecting column is pulled by the button 7 under the elastic action of the supporting spring 10, the installation clamping frame 8 and the fixed clamping frame 9 move upwards, the fixed clamping frame 9 is clamped at the positioning groove 6, the control rod 5 cannot be separated from the fixed clamping frame 9, the installation clamping frame 8 can elastically move upwards and downwards for a certain distance, therefore, the movable handle 2 transversely regulates and controls the control rod 5 when rotating, and excessive bending of the control rod 5 cannot be caused. While the left end of the lever 5 is coupled to the fixed yoke 9, the connection block 13 is caught in the coupling groove 14, so that the sleeve 12, the connection block 13, and the yoke 15 are positioned at the coupling groove 14.

When the clamping device is used, the movable handle 2 is rotated, the upper end of the movable handle 2 moves leftwards or rightwards, the movable handle 2 pushes the fixed clamping frame 9 to enable the control rod 5 to move leftwards or rightwards, the right end of the control rod 5 pushes the first connecting rod 16 and the second connecting rod 17 to move leftwards or rightwards through the adjusting and controlling rod 11, the second connecting rod 17 drives the half clamping jaws 18 to rotate clockwise or anticlockwise, and the three half clamping jaws 18 rotate and have the same angle, so that the three half clamping jaws 18 are opened and closed.

The roating seat 3 can rotate on fixed handle 1, and roating seat 3 passes through outer tube 4, spread groove 14 and drives connecting block 13, sleeve 12, crotch 15 and half clamping jaw 18 and rotate, and control rod 5 rotates under the effect of half clamping jaw 18, because the constant head tank 6 of control rod 5 left end is offered for the hoop to do not influence the connection effect with fixed card frame 9.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. An operating forceps comprises a fixed handle (1) and a movable handle (2), and is characterized in that the upper side inside the fixed handle (1) is hollow, the middle upper part between the fixed handle (1) and the movable handle (2) is rotatably connected, the upper right side of the fixed handle (1) is provided with an outer sleeve (4), the inside of the outer sleeve (4) is movably inserted with a control rod (5), the control rod (5) penetrates through the upper side of the fixed handle (1) and is movably connected with the movable handle (2), the right end of the control rod (5) is provided with a control rod (11), the outer wall of the control rod (11) is slidably connected with a sleeve (12), the outer wall of the sleeve (12) is provided with a connecting block (13), the right end of the outer sleeve (4) is provided with a connecting groove (14) for clamping the connecting block (13), and the right end of the sleeve (12) is provided with a fork frame (15), the fork frame (15) is provided with three support arms, the outer wall of the right end of the adjusting and controlling rod (11) is rotationally connected with three first connecting rods (16) at equal intervals, the right end of each first connecting rod (16) is rotationally provided with a second connecting rod (17), the right end of each second connecting rod (17) is rotationally provided with a half clamping jaw (18), and the half clamping jaw (18) is rotationally connected with the inner wall of the fork frame (15);

the movable handle (2) is driven to move relative to the fixed handle (1), the movable handle (2) drives the first connecting rod (16) and the second connecting rod (17) to move through the control rod (5) and the regulating rod (11), and the sleeve (12) and the fork frame (15) are limited at the connecting groove (14) through the connecting block (13), so that the second connecting rod (17) drives the half clamping jaws (18) to rotate around the fork frame (15) and drives the three half clamping jaws (18) to be opened and closed.

2. A surgical clamp according to claim 1, wherein: the upper right side of fixed handle (1) rotates installs roating seat (3), the lower surface of roating seat (3) is provided with locking piece (19), outer tube (4) are connected on roating seat (3) through locking piece (19).

3. A surgical clamp according to claim 1, wherein: the left side of the outer wall of the control rod (5) is annularly provided with a positioning groove (6), the upper end of the movable handle (2) is provided with a movable locking mechanism, and the movable locking mechanism is connected with the positioning groove (6) of the control rod (5).

4. A surgical clamp according to claim 3, wherein: the upper end of activity handle (2) is the cavity form, activity locking mechanism is including setting up at inside installation card frame (8) in activity handle (2) upper end and connecting at the fixed card frame (9) of installation card frame (8) downside, the upper end of installation card frame (8) is provided with the spliced pole, the spliced pole runs through activity handle (2) and extends to the upside of activity handle (2), the upper end of spliced pole is provided with button (7), be provided with supporting spring (10) between the lower surface of button (7) and the upper surface of activity handle (2), installation card frame (8), fixed card frame (9) are the arc shape, and the inside diameter of installation card frame (8) is greater than the inside diameter of fixed card frame (9), the inside diameter of installation card frame (8) is not less than the outer wall diameter of controlling pole (5), the inside diameter of fixed card frame (9) is greater than the outer wall diameter that controlling pole (5) are located constant head tank (6) department And is smaller than the diameter of the outer wall of the operating rod (5) at the non-positioning groove (6).

5. A surgical clamp according to claim 1, wherein: the end part of the half clamping jaw (18) is provided with a clamping hook.