CN211066886U - Rotatable rongeur - Google Patents

Abstract

The utility model relates to the technical field of surgical instruments, especially, relate to a rotatable rongeur, including binding clip, sleeve pipe and handle, the binding clip includes lower pincers mouth, goes up pincers mouth and connecting block, goes up pincers mouth and articulates with lower pincers mouth, and the connecting block is connected in lower pincers mouth one end, and the terminal fixedly connected with sleeve pipe of lower pincers mouth, handle include front handle and back handle, and back handle is equipped with the casing pipe groove in the binding clip side, and the sleeve pipe rotates to be connected in the casing pipe groove, and the drive hole has been seted up along the axial in the casing pipe, wears to be equipped with the actuating lever in the drive hole. The utility model has the advantages that on one hand, the binding clip is fixedly connected with the sleeve, and then the sleeve is rotatably connected with the handle, so that the binding clip and the sleeve can not rotate when the handle rotates; on the other hand, through the driving rod arranged in the sleeve, one end of the driving rod is rotatably connected with the tong head, and the other end of the driving rod is connected with the driving block in a clamping groove mode, so that the tong head can be in an occluded state when the handle rotates.

Description

Rotatable rongeur

Technical Field

The utility model relates to the technical field of surgical instruments, especially, relate to a rotatable rongeur.

Background

Rongeurs, particularly laminectomy rongeurs, are a common surgical instrument for spinal surgery and can be used for clenching laminoplasty, i.e. clamping laminoplasty and removing the clamped bone.

The existing vertebral plate rongeur has the following defects that the opening direction of a jaw of the rongeur is fixed, when the rongeur is used for operating, after the rongeur bites bone from certain angles, the arm of a doctor is in an uncomfortable angle, force application is difficult, the sight of the doctor can be possibly blocked, and when the arm is in an uncomfortable position, judgment of the use strength of the doctor is easily influenced, force application is reluctant, and the arm is easy to fatigue.

Therefore, there is a high necessity for a rotatable rongeur to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a rotatable rongeur, which enables a doctor to rotate a handle without rotating a binding clip after using the rongeur to engage a bone, so as to adjust the position of an arm, and the arm is in a position where the application of force is convenient and the sight is not blocked.

The utility model discloses an above-mentioned technical problem is solved to following technical means: including binding clip, sleeve pipe and handle, the binding clip includes lower pincers mouth, goes up pincers mouth and connecting block, it is articulated with lower pincers mouth to go up the pincers mouth, pincers mouth one end is connected under to the connecting block, the terminal fixedly connected with sleeve pipe of pincers mouth down, the handle includes preceding handle and back handle, preceding handle rotates and installs on the handle of back, the top integrated into one piece of preceding handle has the drive block, the back handle is seted up in the binding clip side and is equipped with the casing groove, the sleeve pipe rotates and connects in the casing groove, the driving hole has been seted up along the axial in the casing, the driving hole runs through sleeve pipe and back handle, wear to be equipped with the actuating lever in the driving hole, actuating lever one end is connected with the connecting block, and the other end is connected with the drive block.

Furthermore, two otic placodes of fixedly connected with on the back handle, two the otic placode sets up relatively, all seted up the third connecting hole on otic placode and the preceding handle, three wear to be equipped with same articulated shaft in the third connecting hole.

Further, the sleeve pipe end is equipped with first spacing platform in sleeve pipe groove side, seted up in the back handle with first spacing platform assorted first spacing groove.

Further, the drive rod one end is equipped with the spacing platform of second, the connecting block is seted up with the spacing platform assorted second spacing groove of second.

Furthermore, a third limit groove is formed in the driving block, a sliding groove matched with the third limit groove is formed in the driving rod, and a third limit block is arranged at the tail end of the driving rod.

Furthermore, all seted up first connecting hole on the lateral wall of last pincers mouth and lower pincers mouth, two wear to be equipped with the spliced pole in the first connecting hole, the second connecting hole has been seted up in the upper end of first connecting hole to the lateral wall of last pincers mouth, the both sides integrated into one piece of connecting block has two curb plates, seted up first waist type hole on the curb plate, also wear to be equipped with the spliced pole in the second connecting hole.

Furthermore, the upper tong mouth and the lower tong mouth are both provided with saw teeth.

The utility model discloses a rotatable rongeur, on one hand, the binding clip is fixedly connected with the sleeve, and then the sleeve is rotatably connected with the handle, so that when the handle rotates, the binding clip and the sleeve can not rotate; on the other hand, one end of the driving rod is rotatably connected with the tong head through the driving rod arranged in the sleeve, and the other end of the driving rod is connected with the driving block through a clamping groove, so that the tong head can be in an occluded state when the handle rotates; the upper binding clip and the lower binding clip of the binding clip are both provided with sawteeth, so that the bone block can be prevented from loosening after occlusion.

Drawings

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

FIG. 2 is an internal structure view of the rongeur when the upper jaw and the lower jaw of the rotatable rongeur of the present invention are engaged;

FIG. 3 is an internal structure view of the rongeur when the upper jaw is separated from the lower jaw;

FIG. 4 is an enlarged schematic view of A in FIG. 1;

FIG. 5 is a schematic view of the structure of the driving rod and the front handle of the rotatable rongeur of the present invention;

FIG. 6 is a schematic structural view of a rear handle of a rotatable rongeur of the present invention;

FIG. 7 is a schematic view of a head portion of a rotatable rongeur of the present invention;

the lower pliers mouth 1, the upper pliers mouth 2, the connecting block 3, the side plate 31, the first waist-shaped hole 311, the second limiting groove 32, the sawtooth 4, the gasket 5, the front handle 6, the driving block 61, the third limiting groove 611, the rear handle 7, the casing groove 72, the first limiting groove 73, the casing 8, the first limiting table 81, the driving hole 82, the driving rod 9, the second limiting table 91, the sliding groove 92 and the third limiting block 93.

Detailed Description

The invention will be described in detail with reference to the following drawings and specific embodiments:

as shown in fig. 1-7, the utility model relates to a rotatable rongeur, which comprises a binding clip, a sleeve and a handle. The binding clip includes lower pincers mouth 1, goes up pincers mouth 2 and connecting block 3, goes up pincers mouth 2 and is articulated with lower pincers mouth 1, and connecting block 3 is connected in 1 one end of lower pincers mouth. Go up and all seted up first connecting hole on the lateral wall of pincers mouth 2 and pincers mouth 1 down, wear to be equipped with the spliced pole in two first connecting holes, through passing the spliced pole two first hinge holes and realize going up pincers mouth 2 and articulated with pincers mouth 1 down. The second connecting hole has been seted up in the upper end of first connecting hole to the lateral wall of last pincers mouth 2, and the both sides integrated into one piece of connecting block 3 has two blocks of curb plates 31, and curb plate 31 is the same with the lateral wall thickness of pincers mouth 1 down, and curb plate 31 is settled in the lateral wall top of pincers mouth down, and the inner wall of curb plate 31 flushes with last 2 outer wall laminating of pincers mouth and top and last 2 tops of pincers mouth. The side plate 31 is provided with a first waist-shaped hole 311, and the width dimension of the first waist-shaped hole 311 is the same as the size dimension of the second connecting hole. Also wear to be equipped with the spliced pole in the second connecting hole, the spliced pole passes first waist type hole 311 and can slide in first waist type hole 311, realizes connecting block 3 and last pincers mouth 2 be connected, and when connecting block 3 removed, can promote to go up pincers mouth 2 and rotate. The upper forceps mouth 2 and the lower forceps mouth 1 are both provided with saw teeth 4, so that the bone blocks can be prevented from loosening after occlusion.

The handle comprises a front handle 6 and a rear handle 7, and the front handle 6 is rotatably arranged on the rear handle 7. Specifically, two otic placodes of fixedly connected with on the back handle 7, two otic placodes set up relatively, have all seted up the third connecting hole on otic placode and the preceding handle 6, wear to be equipped with same root articulated shaft in the three third connecting hole to rotate handle 6 and install on back handle 7.

The tail end of the lower forceps mouth 1 is fixedly connected with a sleeve 8, a sleeve groove 72 is formed in the side, close to the forceps head, of the rear handle 7, and the sleeve 8 is rotatably connected into the sleeve groove 72. The sleeve 8 is provided with a first limit table 81 at the end of the sleeve groove 72, and a first limit groove 73 matched with the first limit table 81 is arranged in the rear handle 7, so that the sleeve 8 can only rotate in the sleeve groove 72 of the rear handle 7 and cannot move.

A driving hole 82 is formed in the sleeve 8 along the axial direction, and the driving hole 82 penetrates through the sleeve 8 and the rear handle 7. Wear to be equipped with actuating lever 9 in the drive hole 82, actuating lever 9 one end is equipped with the spacing platform 91 of second, connecting block 3 offer with the spacing platform 91 assorted second spacing groove 32 of second, actuating lever 9 cooperatees with second spacing groove 32 through the spacing platform 91 of second, makes the one end of actuating lever 9 rotate with connecting block 3 to be connected, when actuating lever 9 removed, can drive connecting block 3 and remove.

The driving block 61 is integrally formed at the top end of the front handle 6, the driving block 61 is provided with a third limiting groove 611, the driving rod 9 is provided with a sliding groove 92 matched with the third limiting groove 611, and the driving block 61 is clamped into the driving rod 9 through the third limiting groove 611 and the sliding groove 92. When the front handle 6 drives the driving block 61 to rotate, the driving block 61 can drive the driving rod 9 to move. The front end of the driving block 61 pushes the driving rod 9 to move forward, so that the upper tong mouth 2 and the lower tong mouth 1 are closed.

The end of the driving rod 9 is provided with a third limiting block 93, when the driving block 61 rotates, the rear end of the driving block 61 contacts with the third limiting block 93, and then the driving rod 9 is pushed to move back, so that the upper tong mouth 2 is separated from the lower tong mouth 1.

The utility model discloses a rotatable rongeur, during the use, preceding handle 6 of pressfitting and back handle 7 make preceding handle 6 inside the rotation of back handle 7, and the drive block 61 front end on preceding handle 6 promotes actuating lever 9 forward, and the actuating lever promotes connecting block 3 antedisplacement, because it is articulated with lower pincers mouth to go up pincers mouth, when connecting block 3 antedisplacement, promotes pincers mouth 2 and rotates on the promotion, makes pincers mouth and lower pincers mouth interlock. When the front handle 6 is separated from the rear handle 7, the rear end of the driving block 61 is in contact with the third limiting block 93, and then the driving rod 9 is pushed to retreat, so that the moving block 61 retreats, and the upper clamp mouth 2 is pulled to rotate.

After a doctor uses the rongeur to occlude sclerotin, the handle can be rotated to adjust the position of the arm, so that the arm is in a position where the force is conveniently applied and the sight is not blocked.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims (7)

1. A rotatable rongeur, characterized in that: including binding clip, sleeve pipe and handle, the binding clip includes lower pincers mouth, goes up pincers mouth and connecting block, it is articulated with lower pincers mouth to go up the pincers mouth, pincers mouth one end is connected under to the connecting block, the terminal fixedly connected with sleeve pipe of pincers mouth down, the handle includes preceding handle and back handle, preceding handle rotates and installs on the handle of back, the top integrated into one piece of preceding handle has the drive block, the back handle is seted up in the binding clip side and is equipped with the casing groove, the sleeve pipe rotates and connects in the casing groove, the driving hole has been seted up along the axial in the casing, the driving hole runs through sleeve pipe and back handle, wear to be equipped with the actuating lever in the driving hole, actuating lever one end is connected with the connecting block, and the other end is connected with the drive block.

2. A rotatable rongeur according to claim 1, wherein: two otic placodes of fixedly connected with on the back handle, two the otic placode sets up relatively, all seted up the third connecting hole on otic placode and the preceding handle, three wear to be equipped with same root articulated shaft in the third connecting hole.

3. A rotatable rongeur according to claim 2, wherein: the sleeve pipe end is equipped with first spacing platform in sleeve pipe groove side, seted up in the back handle with first spacing platform assorted first spacing groove.

4. A rotatable rongeur according to claim 3, wherein: and a second limiting table is arranged at one end of the driving rod, and a second limiting groove matched with the second limiting table is formed in the connecting block.

5. A rotatable rongeur according to claim 4, wherein: the driving block is provided with a third limiting groove, the driving rod is provided with a sliding groove matched with the third limiting groove, and the tail end of the driving rod is provided with a third limiting block.

6. A rotatable rongeur according to claim 5, wherein: the lateral wall of the upper tong mouth and the lateral wall of the lower tong mouth are both provided with first connecting holes, connecting columns penetrate through the first connecting holes, the lateral wall of the upper tong mouth is provided with second connecting holes at the upper ends of the first connecting holes, two side plates are integrally formed on two sides of the connecting blocks, first waist-shaped holes are formed in the side plates, and the connecting columns penetrate through the second connecting holes.

7. A rotatable rongeur according to claim 6, wherein: the upper tong mouth and the lower tong mouth are both provided with saw teeth.

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