CN216876498U

CN216876498U - Convenient stable rongeur

Info

Publication number: CN216876498U
Application number: CN202122921344.4U
Authority: CN
Inventors: 朱东瑞
Original assignee: Taizhou Huirui Medical Device Manufacturing Co ltd
Current assignee: Taizhou Huirui Medical Device Manufacturing Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-05
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to convenient and stable rongeur, which comprises a holding handle and a clamping handle which are hinged, wherein the upper part of the clamping handle is connected with a cutting positioning pipe in a fastening way through a connecting buckle, a clamping rod comprises a rod body and cutting rod clamps penetrating in the rod body, the rear part of the rod body is provided with an adjusting shaft platform, the rear part of the cutting rod clamps penetrates through the adjusting shaft platform and is connected with the rear end of a telescopic spring, the front end of the telescopic spring is tightly propped against the rear end of the adjusting shaft platform, the clamping rod penetrates in the cutting positioning pipe to be in a state that the rear part of the cutting rod clamps overcomes the action force of the telescopic spring and is pushed to extend in the rod body by clamping operation of the clamping handle, the front end of the cutting positioning pipe is provided with a positioning pin extending towards the inner cavity of the pipe, and the front end surface of the adjusting shaft platform is provided with a plurality of semicircular notches capable of containing the positioning pin around the circumference. The angle rotation adjusting device is simple and compact in structure, and can be conveniently, stably and fixedly adjusted in angle rotation.

Description

Convenient stable rongeur

Technical Field

The utility model relates to a rongeur, in particular to a convenient and stable rongeur.

Background

The common types of degenerative diseases of the spine include herniated disc, spinal stenosis, and spondylolisthesis, etc., and they are commonly characterized by compression of the dura mater or nerve roots, thereby requiring resection and decompression through rongeurs. The traditional rongeur clamping rod cannot rotate, the cutting operation of a special angle part is realized by rotating the operation posture, the operation difficulty is increased, and the hidden danger of influencing the operation treatment safety and effect of a patient exists. The rotatory thin pole vertebral plate rongeur of dismantlement formula that current patent number is 20162144401.6 adopts and takes adjusting device under the pincers handle, and pulling adjusting device makes to transfer to protruding adjustment tank of loosening rotation regulation platform, and the rotatory body of rod satisfies the operation angle requirement after, releases adjusting device again, adjusts protruding tight adjustment tank in top that resets to the body of rod location that makes can't rotate. However, when the forceps are used in actual surgery, the forceps main body, the pulling adjusting device and the rotating rod body need to be held tightly at the same time, surgical operators cannot finish the operation independently, the adjusting device needs to be pulled out by assistance of personnel, and the rod body is rotated at the same time, so that the operation is complex, time-consuming and labor-consuming; and the spring has hidden danger such as inefficacy, or the maloperation pulls adjusting device, leads to adjusting the arch to drop the top tightly, and the body of rod free rotation influences operation, disease safety.

Disclosure of Invention

The utility model provides the rongeur which is simple and compact in structure, and can complete angle rotation adjustment and fixation conveniently and stably. The technical scheme adopted by the utility model is as follows: the utility model provides a convenient stable rongeur, including the pincers handle, the tong pole, the cutting registration arm, the pincers handle includes articulated handle and the centre gripping handle of gripping, pincers handle upper portion is connected and is cut the registration arm through the connector link lock joint, the tong pole includes the body of rod and cross-under at the internal cutting rod pincers of pole, body of rod rear portion sets up the regulating spindle platform, cutting rod pincers rear portion cross-under regulating spindle platform and connecting the expanding spring rear end, the expanding spring front end supports tightly to connect regulating spindle platform rear end, the tong pole cross-under is in the cutting registration arm and is promoted the cutting rod pincers rear portion by pincers handle centre gripping operation and overcomes the expanding spring effort at the internal flexible state of pole, its characterized in that: the front end of the cutting positioning pipe is provided with a positioning pin extending into the pipe inner cavity, and a plurality of semicircular notches capable of containing the positioning pin are formed in the front end face of the adjusting pillow block around the circumference.

Furthermore, the front part of the upper end of the holding handle is in pin joint with the front end of the cutting positioning pipe, the lower end of the cutting positioning pipe is provided with an adjusting opening, and the upper part of the clamping handle extends into the inner cavity of the cutting positioning pipe through the adjusting opening.

Further, the locating pin passes through the cutting locating tube.

Furthermore, the middle part of the connecting buckle is rotatably connected to the holding handle or is connected in the holding handle in a penetrating mode, one end of the connecting buckle is provided with a buckle head for clamping and connecting the cutting and positioning pipe, and the other end of the connecting buckle is abutted by the spring piece on the inner side of the holding handle.

Furthermore, the front part of the holding handle and the rear part of the clamping handle are provided with anti-slip ribs or anti-slip reticulate patterns.

Furthermore, a positioning pin is connected on the holding handle below the corresponding adjusting opening in a penetrating manner.

Furthermore, the front part of the rod body penetrating through the cutting positioning tube is set into a conical push platform structure with a conical surface expanding from front to back and outwards.

Furthermore, the conical surface of the conical pushing platform is provided with radial and/or axial anti-slip ribs or anti-slip reticulate patterns.

Furthermore, more than two arc-shaped concave pits which correspondingly contain the finger cores are arranged on the conical surface.

Furthermore, the positioning pin comprises an outer pin body, a jacking spring and an inner pin rod, the outer pin body is connected with the holding handle or the cutting positioning pipe in a penetrating mode, the jacking spring is accommodated in an inward opening spring hole of the outer pin body, and the jacking spring jacks the inner pin rod connected in the spring hole outwards in a penetrating mode.

When the operable angle of the jawset rod needs to be adjusted, only the toper push platform needs to be pushed through the finger, the rod body can be overcome telescopic spring and move backwards by the adjusting pillow block, make the semicircular notch retreat and move back to open the joint with the locating pin, the rotatory body of rod when keeping promoting this moment, it is rotatory after the required angle to rotate, loosen and promote, the body of rod antedisplacement under the expanding spring effort, the unable rotation of rotatory locking that the body of rod was realized to semicircular notch joint locating pin, it adjusts the simple operation, can be independent, fast, stably accomplish, time saving and labor saving, and the locating pin need not the manual operation and corresponds the semicircular notch of joint, the hidden danger of no incorrect manipulation and long-term use inefficacy is favorable to improving operation security performance. And the connecting buckle is tightly propped by the spring piece to prevent the buckle head at the other end from naturally loosening, so that the use stability and safety performance are further improved.

Drawings

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

FIG. 2 is a schematic view of the jaw of FIG. 1 being tapped;

FIG. 3 is a schematic view of the construction of the jaw bar of FIG. 1;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is an enlarged view at a of another embodiment of the present invention.

In the figure: the cutting device comprises a holding handle 1, a clamping handle 2, a connecting buckle 3, a spring piece 4, a cutting positioning pipe 5, a positioning pin 6, a cutting rod clamp 7, a telescopic spring 8, a rod body 9, an adjusting pillow block 10, a semicircular notch 11, a conical pushing table 12, an adjusting opening 13, an outer pin body 61, a jacking spring 62, an inner pin rod 63 and a spring hole 64.

Detailed Description

The following further description is made in conjunction with the accompanying drawings and examples.

In the first embodiment shown in fig. 1-4, a convenient and stable rongeur comprises a holding handle 1, a clamping handle 2, a connecting buckle 3, a spring piece 4, a cutting positioning tube 5, a positioning pin 6, a cutting rod clamp 7, a telescopic spring 8 and a rod body 9. The clamp handle comprises a holding handle 1 and a clamping handle 2 which are hinged at the middle upper part, the front part of the upper end of the holding handle 1 is in pin joint with the front end of a cutting positioning pipe 5, the lower end of the cutting positioning pipe 5 is provided with an adjusting opening 13, the upper part of the clamping handle 2 extends into the inner cavity of the cutting positioning pipe through the adjusting opening, the middle part of a connecting buckle 3 is rotatably penetrated in the holding handle 1 through the adjusting opening, one end of the connecting buckle 3 is provided with a buckle head for clamping the cutting positioning pipe, and the other end of the connecting buckle is abutted by a spring leaf 4 at the inner side of the holding handle; the cutting bar clamp 7 penetrates through the bar body 9 to form a clamp bar penetrating through the cutting positioning tube 5, the rear part of the bar body 9 is provided with an adjusting pillow block 10, the rear part of the cutting bar clamp penetrates through the adjusting pillow block and is connected with the rear end of a telescopic spring 8, the front end of the telescopic spring is tightly connected with the rear end of the adjusting pillow block in a propping manner, and the clamp bar penetrates through the cutting positioning tube and is clamped by a clamp handle to be driven by the cutting clamp bar 7 to overcome the acting force of the telescopic spring to stretch and retract in the bar body through the upper part of a clamping handle 2 and correspondingly extending into an adjusting port 13; the front end of the cutting positioning pipe 5 is provided with a positioning pin 6 extending towards the inner cavity of the pipe, the positioning pin correspondingly penetrates through the holding handle below the adjusting opening, and the front end surface of the adjusting pillow block is provided with a plurality of semicircular notches 11 capable of containing the positioning pin around the circumference; the front part of the rod body 9 penetrating through the cutting positioning tube 5 is provided with a conical push platform 12 structure with a conical surface expanding from front to back and outwards.

On the basis of the above embodiment, the positioning pin can be connected with the cutting positioning tube in a penetrating way.

On the basis of the above embodiment, the front part of the holding handle and the rear part of the clamping handle are provided with anti-slip ribs or anti-slip reticulate patterns. Stable safety performance convenient for improving holding

On the basis of the above embodiment, the conical surface of the conical pushing platform is provided with radial and/or axial anti-slip ribs or anti-slip reticulate patterns. More than two arc-shaped concave pits which correspondingly contain the finger cores can be arranged on the conical surface. Used for conveniently and stably pushing the rod body to move backwards by overcoming the acting force of the telescopic spring.

In the second embodiment shown in fig. 5, a convenient and stable rongeur is different from the first embodiment in that: the positioning pin adopts a special structure and comprises an outer pin body 61, a jacking spring 62 and an inner pin rod 63, wherein the outer pin body is connected with the holding handle or the cutting positioning pipe in a penetrating way, an inward opening spring hole 64 of the outer pin body is used for accommodating the jacking spring, and the jacking spring jacks the inner pin rod in the spring hole outwards. This design can be through pushing up tight spring 62 and ejecting interior pin rod 63 in semi-circular notch all the time, prevents the body of rod relative rotation, is favorable to improving stability, the security of operation.

Claims

1. The utility model provides a convenient stable rongeur, including the pincers handle, the tong pole, the cutting registration arm, the pincers handle includes articulated handle and the centre gripping handle of gripping, pincers handle upper portion is connected and is cut the registration arm through the connector link lock joint, the tong pole includes the body of rod and cross-under at the internal cutting rod pincers of pole, body of rod rear portion sets up the regulating spindle platform, cutting rod pincers rear portion cross-under regulating spindle platform and connecting the expanding spring rear end, the expanding spring front end supports tightly to connect regulating spindle platform rear end, the tong pole cross-under is in the cutting registration arm and is promoted the cutting rod pincers rear portion by pincers handle centre gripping operation and overcomes the expanding spring effort at the internal flexible state of pole, its characterized in that: the front end of the cutting positioning pipe is provided with a positioning pin extending into the pipe inner cavity, and a plurality of semicircular notches capable of containing the positioning pin are formed in the front end face of the adjusting pillow block around the circumference.

2. A convenient and stable rongeur as claimed in claim 1 wherein: the front part of the upper end of the holding handle is in pin joint with the front end of the cutting positioning pipe, the lower end of the cutting positioning pipe is provided with an adjusting opening, and the upper part of the clamping handle extends into the inner cavity of the cutting positioning pipe through the adjusting opening.

3. A convenient and stable rongeur as claimed in claim 1 wherein: the positioning pin is connected with the cutting positioning pipe in a penetrating manner.

4. A convenient and stable rongeur as claimed in claim 1 wherein: the middle part of the connecting buckle is rotatably connected on the holding handle or is connected in the holding handle in a penetrating mode, one end of the connecting buckle is provided with a buckle head for clamping and connecting the cutting and positioning pipe, and the other end of the connecting buckle is abutted tightly through a spring piece on the inner side of the holding handle.

5. A convenient and stable rongeur as claimed in claim 1 wherein: the front part of the holding handle and the rear part of the clamping handle are provided with anti-slip ribs or anti-slip reticulate patterns.

6. A convenient and stable rongeur as claimed in claim 2 wherein: the holding handle below the corresponding adjusting opening is connected with a positioning pin in a penetrating way.

7. A convenient and stable rongeur as claimed in claim 1 wherein: the front part of the rod body penetrating through the cutting positioning tube is set into a conical push platform structure with a conical surface expanding from front to back and outwards.

8. A convenient and stable rongeur as claimed in claim 7, wherein: the conical surface of the conical pushing platform is provided with radial and/or axial anti-slip ribs or anti-slip reticulate patterns.

9. A portable and stable rongeur as claimed in claim 7 or claim 8 in which: more than two arc-shaped concave pits which correspondingly contain the finger cores are also arranged on the conical surface.

10. A portable and stable rongeur as claimed in claim 1, 3 or 6 wherein: the positioning pin comprises an outer pin body, a jacking spring and an inner pin rod, the outer pin body is connected with the holding handle or the cutting positioning pipe in a penetrating mode, the outer pin body is provided with an inward spring hole for containing the jacking spring, and the jacking spring jacks the inner pin rod connected in the spring hole outwards in a penetrating mode.