CN213787755U - Bendable and detachable surgical forceps for closing and cutting blood vessels - Google Patents

Abstract

The utility model belongs to the field of electrosurgical instruments, concretely relates to detachable is used for closed and cutting vascular operation pincers that can turn round. The clamp comprises a shell with a holding handle, wherein a clamp head and clamp rod assembly is arranged at the front end of the shell, and a trigger for controlling the opening and closing of a clamp head and a rotation control mechanism for controlling the rotation of the clamp head and clamp rod assembly are arranged on the shell; a flexible chain link is arranged between a binding clip and a binding clip of the binding clip component, and a turning control mechanism for driving the binding clip to turn left and right relative to the binding clip is arranged on the binding clip; the binding clip claw beam assembly is detachably connected with the shell, and the shell is provided with a dismounting control mechanism. The middle jaw clamping bar component of the utility model can be disassembled, which is more beneficial to the thorough disinfection and sterilization of the inside and important parts of the instrument; the forceps head can be turned at an angle of +/-80 degrees from left to right, so that the operation space is enlarged.

Description

Bendable and detachable surgical forceps for closing and cutting blood vessels

Technical Field

The utility model belongs to the field of electrosurgical surgical instruments, concretely relates to detachable can turn round is used for closed and cutting the operation pincers of tissues such as blood vessel, lymphatic vessel of keeping silent size within range among the electrosurgery under the peritoneoscope.

Background

The existing similar vessel closing and cutting surgical forceps are imported instruments and are disposable, the forceps head, the forceps rod and the cutting blade assembly of the instruments are not detachable, and the instruments are required to be discarded wholly after use.

The following problems mainly exist: (1) the imported apparatus is high in price, is disposable, has high operation cost and is heavy in economic burden of patients; (2) the imported apparatus is not detachable, so that the inside, the forceps head, the forceps rod and other important parts are difficult to be thoroughly and effectively sterilized; (3) the turning and rotating of the jaw of the imported apparatus and the operation of the push-type broach mechanism are inconvenient and need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a detachable forceps for closing and cutting blood vessels.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: the surgical forceps capable of being turned and disassembled and used for closing and cutting blood vessels comprises a shell with a holding handle, wherein a forceps head and forceps rod assembly is rotatably arranged at the front end of the shell, and a trigger for controlling the opening and closing of a forceps head and a rotation control mechanism for controlling the rotation of the forceps head and forceps rod assembly are arranged on the shell; a flexible chain link is arranged between a binding clip and a binding clip of the binding clip component, and a turning control mechanism for driving the binding clip to turn left and right relative to the binding clip is arranged on the binding clip; the binding clip claw beam assembly is detachably connected with the shell, and the shell is provided with a dismounting control mechanism.

According to a preferable technical scheme, the flexible chain link comprises a left hinge fixedly connected with the binding clip and a right hinge fixedly connected with the binding clip, a middle hinge is hinged between the left hinge and the right hinge, and a first spring and a pulling line penetrating through small holes in two sides of each hinge are arranged among the left hinge, the middle hinge and the right hinge.

As a preferred technical scheme, the turning control mechanism comprises a wire drawing shaft middle frame sleeved on the clamp rod, wherein clamping arms are respectively arranged on two sides of the wire drawing shaft middle frame, pulling wires connected with corresponding sides of the hinges are respectively arranged on the clamping arms on the two sides, and a turning rotating wheel is fixedly connected to the wire drawing shaft middle frame; the outer side of the middle frame of the wire drawing shaft on the forceps rod is sleeved with a rotating head, and a chuck matched with the clamping arm is arranged in the rotating head.

As a preferred technical scheme, the clamp rod is provided with an inner tube, the inner tube is provided with a clamping groove, and a clamping block matched with the clamping groove is arranged in the shell; the rotating head is provided with a pin hole, and the shell is provided with a rotating head pin which can be inserted into the pin hole.

Preferably, the disassembly control mechanism comprises a disassembly button and a disassembly handle arranged on the rotating head pin.

As a preferred technical scheme, the device further comprises a push broach mechanism, wherein the push broach mechanism comprises a push broach sliding button, the push broach sliding button is connected with a cutter bar pushing shaft, the cutter bar pushing shaft is connected with a cutter bar capable of moving in the inner tube, and a reset spring is sleeved on the cutter bar.

Preferably, a trigger locking mechanism is disposed between the trigger and the housing.

As a preferable technical scheme, a starting switch is arranged on the trigger.

Preferably, the trigger is connected to a constant pressure mechanism.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has at least:

(1) the clamp head and the clamp rod assembly can be disassembled, and thorough disinfection and sterilization of the inside and important parts of the instrument are facilitated.

(2) The binding clip claw beam component can rotate 360 degrees and is not limited by angles.

(3) The forceps head can be turned at an angle of +/-80 degrees from left to right, so that the operation space is enlarged.

(4) The switch is arranged on the trigger, and is convenient to use.

(5) The push broach mechanism does not need a connecting rod mechanism to apply force, and the action is lighter and more labor-saving.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic structural diagram of an appearance of an embodiment of the present invention;

fig. 2 is a schematic structural view of the embodiment of the present invention when the housing is opened;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is an enlarged view of a portion of FIG. 2 at D;

fig. 7 is a schematic cross-sectional view of a housing portion of an embodiment of the invention;

fig. 8 is a partial enlarged view at E in fig. 7;

fig. 9 is a partial enlarged view at F in fig. 7.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the surgical forceps capable of being bent and detached for closing and cutting blood vessels includes a housing 10 having a holding handle, a forceps head and forceps rod assembly 20 is rotatably installed at the front end of the housing 10, a trigger 30 for controlling opening and closing of a forceps head 21 and a rotation control mechanism for controlling rotation of the forceps head and forceps rod assembly 20 are installed on the housing 10, the rotation control mechanism is a forceps rod rotating wheel 11, the forceps rod rotating wheel 11 is rotatably installed on the housing 10 and movably connected with a forceps rod 22, and the forceps rod rotating wheel 11 can enable the forceps head and forceps rod assembly 20 to continuously rotate leftward or rightward for 360 degrees;

a flexible chain link 23 is arranged between a clamp head 21 and a clamp rod 22 of the clamp head clamp rod assembly 20, and a turning control mechanism 24 for driving the clamp head 21 to turn left and right relative to the clamp rod 22 is arranged on the clamp rod 22; the binding clip lever assembly 20 is detachably connected with the shell 10, and a disassembly control mechanism is installed on the shell 10; the forceps head and the forceps rod assembly 20 can be disassembled, so that thorough disinfection and sterilization of the inside and important parts of the instrument are facilitated.

Referring to fig. 3, in the present embodiment, the flexible link 23 includes a left hinge 231 fixedly connected to the binding clip 21 and a right hinge 232 fixedly connected to the binding clip 22, a middle hinge 233 is disposed between the left hinge 231 and the right hinge 232, the left hinge 231 and the middle hinge 233 are hinged by a first pin shaft 235, the right hinge 232 and the middle hinge 233 are hinged by a second pin shaft 236, and a first spring 234 and a pull wire 243 passing through holes at two sides of each hinge are disposed between the left hinge 231, the middle hinge 233 and the right hinge 232.

Referring to fig. 4, the turning control mechanism 24 includes a wire-drawing shaft intermediate frame 241 sleeved on the caliper bar 22, wherein two sides of the wire-drawing shaft intermediate frame 241 are respectively provided with a clamping arm 242, and the clamping arms 242 at two sides are respectively provided with a wire-drawing wire 243 (preferably, a steel wire, but other materials can be used as well) connected with the corresponding side of each hinge; a rotating head 244 is sleeved on the clamp rod 22 and positioned outside the wire drawing shaft intermediate frame 241, a chuck 245 matched with the chuck arm 242 is arranged in the rotating head 244, a turning rotating wheel 246 is fixedly connected to one side of the wire drawing shaft intermediate frame 241, and a second spring 247 is arranged between the other side of the wire drawing shaft intermediate frame 241 and the rotating head 244; the turning wheel 246 is rotated left and right, the forceps head is driven by the pulling line 243 to turn left and right at an angle of +/-80 degrees, and the operation space is enlarged.

Referring to fig. 5 and 8, in the present embodiment, the clamping rod 22 is provided with an inner tube 25, a clamping groove 251 is provided on the inner tube 25, a clamping block 12 matching with the clamping groove 251 is provided on the main spring assembly in the housing 10, a pin hole 245 is provided on the rotating head 244, and a rotating head pin 13 inserted into the pin hole 245 is provided on the housing 10; the binding clip lever assembly 20 and the shell 10 are detachably connected through the above structure.

Referring again to fig. 5 and 8, the detachment control mechanism includes a detachment button 14 and a detachment handle 15 mounted on the rotating head pin 13, and the detachment button 14 controls the latch 12 to be detachable from the latch groove 251 or to be latched into the latch groove 251 through a top shaft 16. When the pliers are required to be disassembled, the disassembling button 14 is pressed down in the opening state of the pliers head, so that the clamping block 12 is separated from the clamping groove 251 on the inner pipe 25; then, the removal handle 15 is pulled out upward, so that the rotary head pin 13 is completely removed from the pin hole 245 on the rotary head 244; finally, the binding clip lever assembly 20 is pulled out in the opposite direction of the handle to complete the disassembly.

Referring to fig. 9, a trigger locking mechanism is disposed between the trigger 30 and the housing 10, the trigger locking mechanism includes a locking groove 31 disposed at a lower end edge of the trigger 30, a locking block 17 is disposed on the housing 10, and the locking block 17 is connected to a tension spring 18. The trigger 30 is connected to a constant pressure mechanism, which, with reference to fig. 7, basically comprises a link 32, a slider 33 and a main spring assembly 34. The trigger 30 is provided with a starting switch 35, and the starting switch 35 is connected with the plug assembly 50 through a lead, so that the operation and the use are convenient.

Referring to fig. 6, the forceps further includes a push-type broach mechanism 40, the push-type broach mechanism 40 includes a push-type broach sliding button 41, the push-type broach sliding button 41 is connected to a broach rod pushing shaft 42, the broach rod pushing shaft 42 is connected to a broach rod 43 movable in the inner tube 25, and the broach rod 43 is sleeved with a return spring 44. Pushing the push button 41 controls the cutting action of the blade: the trigger is gripped until the locking state, at the moment, the main spring is compressed, the trigger is locked by the locking mechanism, the stopper is moved to the lower part of the cutter bar pushing shaft 42 by a stopper toggle pin on the sliding block 33, then the cutter bar sliding button 41 can be pushed towards the direction of the tong head, the cutter bar sliding button 41 is connected with the cutter bar pushing shaft 42, the cutter bar pushing shaft 42 is connected with the cutter bar assembly again, the blade cutting action is completed through serial movement, the cutter bar sliding button 41 is loosened, and then the trigger returns to the original position under the action of the reset spring 44. The push broach mechanism does not need a connecting rod mechanism to apply force, and the action is lighter and more labor-saving.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (9)

1. The surgical forceps capable of being turned and disassembled and used for closing and cutting blood vessels comprises a shell with a holding handle, wherein a forceps head and forceps rod assembly is installed at the front end of the shell, and a trigger for controlling the opening and closing of a forceps head and a rotation control mechanism for controlling the rotation of the forceps head and forceps rod assembly are installed on the shell; the method is characterized in that: a flexible chain link is arranged between a binding clip and a binding clip of the binding clip component, and a turning control mechanism for driving the binding clip to turn left and right relative to the binding clip is arranged on the binding clip; the binding clip claw beam assembly is detachably connected with the shell, and the shell is provided with a dismounting control mechanism.

2. The corner-detachable forceps for closing and cutting a blood vessel of claim 1, wherein: the flexible chain link comprises a left hinge fixedly connected with the binding clip and a right hinge fixedly connected with the binding clip, a middle hinge is hinged between the left hinge and the right hinge, and a first spring and a pulling line passing through small holes at two sides of each hinge are arranged between the left hinge, the middle hinge and the right hinge.

3. The corner-detachable forceps for closing and cutting a blood vessel of claim 2, wherein: the turning control mechanism comprises a wire pulling shaft middle frame sleeved on the clamp rod, clamping arms are arranged on two sides of the wire pulling shaft middle frame respectively, wire pulling wires connected with corresponding sides of the hinges are arranged on the clamping arms on the two sides respectively, and a turning rotating wheel is fixedly connected to the wire pulling shaft middle frame; the outer side of the middle frame of the wire drawing shaft on the forceps rod is sleeved with a rotating head, and a chuck matched with the clamping arm is arranged in the rotating head.

4. A corner detachable forceps for closing and cutting a blood vessel as claimed in claim 3, wherein: the clamp rod is provided with an inner tube, a clamping groove is formed in the inner tube, and a clamping block matched with the clamping groove is arranged in the shell; the rotating head is provided with a pin hole, and the shell is provided with a rotating head pin which can be inserted into the pin hole.

5. The corner-detachable forceps for closing and cutting a blood vessel of claim 4, wherein: the disassembly control mechanism comprises a disassembly button and a disassembly handle arranged on the rotating head pin.

6. The corner-detachable forceps for closing and cutting a blood vessel of claim 5, wherein: the inner tube is internally provided with a cutter rod, the inner tube is internally provided with an inner tube, the inner tube is internally provided with a cutter rod, the outer tube is internally provided with a cutter rod, the inner tube is internally provided with a cutter rod, and the cutter rod is sleeved with a return spring.

7. The corner-detachable forceps for closing and cutting a blood vessel of claim 1, wherein: a trigger locking mechanism is arranged between the trigger and the shell.

8. The corner-detachable forceps for closing and cutting a blood vessel of claim 1, wherein: the trigger is provided with a starting switch.

9. The corner-detachable forceps for closing and cutting a blood vessel of claim 1, wherein: the trigger is connected with a constant pressure mechanism.

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