CN217696735U

CN217696735U - Rifle-shaped rongeur for spinal surgery

Info

Publication number: CN217696735U
Application number: CN202221385759.2U
Authority: CN
Inventors: 姚杰; 张昌盛; 王晴晴; 李向平
Original assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Current assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-11-01
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a gun-shaped rongeur for spinal surgery, which relates to the technical field of surgical instruments and comprises a lower clamping bar, an upper clamping bar movably arranged above the lower clamping bar, a rear clamp mouth arranged at one end of the upper clamping bar through a dismounting assembly and a front clamp mouth arranged at one end of the lower clamping bar through a connecting assembly; the dismouting subassembly is including fixed the cardboard that sets up in back pincers mouth one end, set up the first spring in the cardboard, fixed the fixture block that sets up in first spring top, wear to locate pressing the post and the cover of last claw beam top and locate the outside third spring of pressing the post. The utility model discloses in, through the dismouting subassembly that sets up, with preceding pincers mouth install after on back pincers mouth, press the fixture block at the movable groove, first spring is extruded, in pushing the tong pole with the cardboard, when the fixture block is in the spout below, under the effect of first spring, in the fixture block top is pushed the spout, back pincers mouth is fixed on last tong pole, the installation between back pincers mouth and the last tong pole is accomplished, the dismantlement of being convenient for, operation process is simple and convenient.

Description

Rifle-shaped rongeur for spinal surgery

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a gun-shaped rongeur for spinal surgery.

Background

The spine is a support of a body, is positioned in the center of the back, is connected with a skull at the upper end, reaches the tip of a coccyx at the lower end, is divided into five sections, namely a neck section, a chest section, a waist section, a sacrum section and a tail section, is long in upper part, can move, is similar to a bracket, is hung on the chest wall and the abdominal wall, is short in lower part, is relatively fixed, and is transmitted to lower limbs from the weight of the body and the vibration, the spine is composed of vertebral bones and intervertebral discs, is a relatively soft and movable structure, the shape of the spine can be greatly changed along with the movement load of the body, the movement of the spine depends on the integrity of the intervertebral discs, the harmonious joint processes of the relevant vertebral bones are harmonious, the length of the spine is 3/4, and the length of the spine is 1/4, and the spine is composed of the intervertebral discs.

The gun-shaped rongeur for spinal surgery in the market at present comprises a front forceps mouth, a rear forceps mouth, an upper forceps rod, a lower forceps rod, a front handle and a rear handle, wherein the upper forceps rod and the lower forceps rod are tightly occluded, the stress is uniform, the deformation is small, the closed anastomotic opening is tightly combined, and the phenomena of dislocation, deflection, bone residue impaction and the like are not easy to generate.

The present invention relates to a gun-shaped rongeur for spinal surgery, and more particularly, to a gun-shaped rongeur for spinal surgery, which has a rear jaw welded to one end of an upper jaw, but is difficult to replace when the end of the rear jaw is damaged, and has a front jaw mounted on a lower jaw by a screw.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a spine surgery is with rifle form rongeur, can effectively solve the current spine surgery that proposes in the background art and weld the one end at last tong-stock with back pincers mouth usually, nevertheless back pincers mouth tip damage back, be difficult to change, and preceding pincers mouth is installed under on the tong-stock through the screw, and after rongeur used the certain time, the problem of the phenomenon that the screw is easily taken place to become flexible.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a gun-shaped rongeur for spinal surgery comprises a lower clamp rod, an upper clamp rod movably arranged above the lower clamp rod, a rear clamp mouth arranged at one end of the upper clamp rod through a dismounting component and a front clamp mouth arranged at one end of the lower clamp rod through a connecting component;

the dismounting assembly comprises a clamping plate fixedly arranged at one end of the rear tong nozzle, a first spring arranged in the clamping plate, a clamping block fixedly arranged at the top of the first spring, a pressing column penetrating through the top of the upper tong rod and a third spring sleeved outside the pressing column, the other end of the clamping plate penetrates through one end of the upper tong rod, and the pressing column is movably arranged above the clamping block;

coupling assembling locates the outside second spring of jack catch and fixed the fixed plate that sets up in jack catch and second spring bottom including fixed the reference column that sets up in preceding tong mouth one end, the jack catch that wears to locate lower tong bar bottom, cover, the lower tong bar is worn to establish by the one end of reference column, the bottom of lower tong bar is worn to establish at the top of jack catch, and the activity sets up in the reference column.

Preferably, a movable groove is formed in the top of the clamping plate, the bottom of the first spring is fixedly arranged on the bottom wall of the movable groove, and the bottom of the clamping block is movably arranged in the movable groove. When the pressing column is pressed downwards, the clamping block is pressed into the movable groove, and the rear clamp mouth can be taken out from the upper clamp rod.

Preferably, a rectangular groove is formed in the upper nipper rod, the top of the third spring is fixedly arranged on the top wall of the rectangular groove, the bottom of the third spring is fixedly arranged on one side of the pressing column, a sliding groove is formed in the bottom wall of the rectangular groove, and the bottom of the pressing column and the top of the clamping block are movably arranged in the sliding groove. Through the third spring that sets up, when the third spring is in natural state, press the bottom of post and contact with the top of fixture block, press the post when pressing the fixture block, the third spring is stretched, takes out back pincers mouth, under the bounce effect of third spring, presses the post and resumes the normal position.

Preferably, the top of the second spring is fixedly arranged at the bottom of the lower clamp rod.

Preferably, an inverted T-shaped groove is formed in the top of the front clamp nozzle, a connecting block is fixedly arranged at the bottom of the rear clamp nozzle, a sliding column is fixedly arranged at the bottom of the connecting block, and an integral structure formed by the connecting block and the sliding column is movably arranged in the inverted T-shaped groove. When the rear clamp mouth is installed on the front clamp mouth, the inverted T-shaped groove formed in one end of the front clamp mouth of the integral structure formed by the connecting block and the sliding column slides in, and when the rear clamp mouth slides on the front clamp mouth, the sliding column reduces the friction force between the rear clamp mouth and the front clamp mouth, so that the smoothness of the rear clamp mouth during sliding is improved.

Preferably, the bottom of the lower nipper lever is fixedly provided with a rear handle, the bottom of the upper nipper lever is fixedly provided with a front handle, and the front handle and the rear handle are connected through a hinge. The position of the rear handle is kept relatively fixed, and the front handle is pressed, so that the upper clamp rod drives the rear clamp mouth to move leftwards.

Preferably, one side of the front handle is fixedly provided with a first elastic plate, one side of the rear handle is fixedly provided with a second elastic plate, and the other ends of the first elastic plate and the second elastic plate are connected through a movable column. The first elastic plate and the second elastic plate are arranged, when the front handle is pressed, the front handle extrudes the first elastic plate and the second elastic plate, and after the rongeur is used and completed, the front handle recovers to a natural state under the action of the first elastic piece and the second elastic piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the water-saving device is provided with a water-saving tank,

1. through the arranged dismounting assembly, after the front clamp mouth is installed on the rear clamp mouth, the fixture block is pressed in the movable groove, the first spring is extruded, the clamping plate is pushed into the upper clamp rod, when the fixture block is positioned below the sliding groove, the top of the fixture block is pushed into the sliding groove under the action of the first spring, the rear clamp mouth is fixed on the upper clamp rod, the installation between the rear clamp mouth and the upper clamp rod is completed, the dismounting is convenient, and the operation process is simple and convenient;

2. through the coupling assembling that sets up, lower binding clip is worn to establish by the reference column that will preceding pincers mouth one end set up, and the one end of reference column extrudees the chuck column downwards, and the second spring is stretched, and the constant head tank with chuck column looks adaptation is seted up to the below of reference column, and when the constant head tank was located the chuck column top, under the effect of second spring, the chuck column was pushed in the constant head tank, preceding pincers mouth was fixed on lower binding clip, and the design of this mechanism need not to use the screw to connect preceding pincers mouth and lower binding clip.

Drawings

FIG. 1 is a perspective view of a gun-shaped rongeur for spinal surgery according to the present invention;

FIG. 2 is a schematic view of the inside of a gun-shaped rongeur for spinal surgery according to the present invention;

FIG. 3 is a schematic view of the rear jaw of a gun-shaped rongeur for spinal surgery according to the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a rear tong mouth; 2. a front plier mouth; 3. an upper nipper rod; 4. a lower nipper bar; 5. a rear handle; 6. a front handle; 7. a first elastic plate; 8. a second elastic plate; 9. pressing the column; 10. clamping a plate; 11. a first spring; 12. a clamping block; 13. clamping the column; 14. a fixing plate; 15. a second spring; 16. a positioning column; 17. a traveler; 18. and a third spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention relates to a gun-shaped rongeur for spinal surgery, which comprises a lower forceps rod 4, an upper forceps rod 3 movably arranged above the lower forceps rod 4, a rear forceps mouth 1 arranged at one end of the upper forceps rod 3 through a dismounting component, and a front forceps mouth 2 arranged at one end of the lower forceps rod 4 through a connecting component;

the dismounting assembly comprises a clamping plate 10 fixedly arranged at one end of the rear tong nozzle 1, a first spring 11 arranged in the clamping plate 10, a clamping block 12 fixedly arranged at the top of the first spring 11, a pressing column 9 penetrating through the top of the upper tong rod 3 and a third spring 18 sleeved outside the pressing column 9, the other end of the clamping plate 10 penetrates through one end of the upper tong rod 3, and the pressing column 9 is movably arranged above the clamping block 12;

coupling assembling including fixed setting in the reference column 16 of 2 one ends of preceding pincers mouth, wear to locate the jack post 13 of 4 bottoms of lower tong poles, the cover locate the outside second spring 15 of jack post 13 and fixed setting in the fixed plate 14 of jack post 13 and second spring 15 bottom, the tong poles 4 are worn to establish to the one end of reference column 16, the bottom of establishing lower tong poles 4 is worn to the top of jack post 13, and the activity sets up in reference column 16.

The movable groove is seted up at the top of cardboard 10, and the bottom of first spring 11 is fixed to be set up in movable groove diapire, and the bottom activity of fixture block 12 sets up in the movable groove. When the pressing column 9 is pressed downwards, the fixture block 12 is pressed into the movable groove, and the rear tong mouth 1 can be taken out from the upper tong rod 3.

The rectangular channel has been seted up to the inside of going up tong bar 3, and the top of third spring 18 is fixed to be set up in the roof of rectangular channel, and the bottom of third spring 18 is fixed to be set up in one side of pressing post 9, and the spout has been seted up to the diapire of rectangular channel, presses the equal activity in the spout in the bottom of post 9 and the top of fixture block 12 to set up. Through the third spring 18, when the third spring 18 is in a natural state, the bottom of the pressing column 9 is in contact with the top of the fixture block 12, when the pressing column 9 presses the fixture block 12, the third spring 18 is stretched, and after the rear pincer tip 1 is taken out, the pressing column 9 is restored to the original position under the action of the resilience force of the third spring 18.

The top of the second spring 15 is fixedly arranged at the bottom of the lower nipper bar 4.

The top of preceding pincers mouth 2 has been seted up and has been fallen T type groove, and the fixed connecting block that is provided with in bottom of back pincers mouth 1, the fixed traveller 17 that is provided with in bottom of connecting block, the overall structure activity that connecting block and traveller 17 formed sets up in falling T type inslot. When the rear clamp mouth 1 is installed on the front clamp mouth 2, the inverted T-shaped groove formed in one end of the front clamp mouth 2 slides in the integral structure formed by the connecting block and the sliding column 17, and when the rear clamp mouth 1 slides on the front clamp mouth 2, the sliding column 17 reduces the friction force between the rear clamp mouth 1 and the front clamp mouth 2, so that the smoothness of the rear clamp mouth 1 during sliding is improved.

The bottom of lower tong bar 4 is fixed and is provided with back handle 5, and the bottom of going up tong bar 3 is fixed and is provided with preceding handle 6, and preceding handle 6 and back handle 5 are connected through the articulated elements. The position of the rear handle 5 is kept relatively fixed, and the front handle 6 is pressed, so that the upper clamp rod 3 drives the rear clamp mouth 1 to move leftwards.

One side of the front handle 6 is fixedly provided with a first elastic plate 7, one side of the rear handle 5 is fixedly provided with a second elastic plate 8, and the other ends of the first elastic plate 7 and the second elastic plate 8 are connected through a movable column. The first elastic plate 7 and the second elastic plate 8 are arranged, when the front handle 6 is pressed, the front handle 6 extrudes the first elastic plate 7 and the second elastic plate 8, and after the rongeur is used, the front handle 6 restores to a natural state under the action of the first elastic piece 7 and the second elastic piece 8.

The utility model discloses the theory of operation:

when the rear tong nozzle 1 is arranged on the front tong nozzle 2, the integral structure formed by the connecting block and the sliding column 17 slides in an inverted T-shaped groove arranged at one end of the front tong nozzle 2, when the rear tong nozzle 1 slides on the front tong nozzle 2, the arranged sliding column 17 reduces the friction force between the rear tong nozzle 1 and the front tong nozzle 2, thereby improving the smoothness of the rear tong nozzle 1 during sliding, after the front tong nozzle 2 is arranged on the rear tong nozzle 1, the clamping block 12 is pressed in the movable groove, the first spring 11 is extruded, the clamping plate 10 is pushed into the upper tong rod 3, when the clamping block 12 is positioned below the sliding groove, under the action of the first spring 11, the top of the clamping block 12 is pushed into the sliding groove, the rear tong nozzle 1 is fixed on the upper tong rod 3, the installation between the rear tong nozzle 1 and the upper tong rod 3 is completed, the convenient disassembly, the lower tong rod 4 is penetrated through by a positioning column 16 arranged at one end of the front tong mouth 2, one end of the positioning column 16 downwards extrudes the clamping column 13, the second spring 15 is stretched, a positioning groove matched with the clamping column 13 is formed below the positioning column 16, when the positioning groove is positioned above the clamping column 13, the clamping column 13 is pushed into the positioning groove under the action of the second spring 15, the front tong mouth 2 is fixed on the lower tong rod 4, the position of the rear handle 5 is relatively fixed, when the front handle 6 is pressed, the front handle 6 extrudes the first elastic plate 7 and the second elastic plate 8, and after the rongeur is used, the front handle 6 recovers to a natural state under the action of the first elastic piece 7 and the second elastic piece 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gun-shaped rongeur for spinal surgery is characterized by comprising a lower tong rod (4), an upper tong rod (3) movably arranged above the lower tong rod (4), a rear tong mouth (1) arranged at one end of the upper tong rod (3) through a dismounting assembly and a front tong mouth (2) arranged at one end of the lower tong rod (4) through a connecting assembly;

the dismounting and mounting assembly comprises a clamping plate (10) fixedly arranged at one end of the rear tong nozzle (1), a first spring (11) arranged in the clamping plate (10), a clamping block (12) fixedly arranged at the top of the first spring (11), a pressing column (9) penetrating through the top of the upper tong rod (3) and a third spring (18) sleeved outside the pressing column (9), the other end of the clamping plate (10) penetrates through one end of the upper tong rod (3), and the pressing column (9) is movably arranged above the clamping block (12);

coupling assembling locates the outside second spring (15) of jack-post (13) and fixed plate (14) that set up in jack-post (13) and second spring (15) bottom including fixed reference column (16), the card post (13), the cover that set up in preceding tong mouth (2) one end, wear to locate down tong pole (4) bottom, tong pole (4) are worn to establish to the one end of reference column (16), the bottom of establishing down tong pole (4) is worn to the top of jack-post (13), and the activity sets up in reference column (16).

2. The gun-shaped rongeur for spinal surgery as claimed in claim 1, wherein: the top of the clamping plate (10) is provided with a movable groove, the bottom of the first spring (11) is fixedly arranged on the bottom wall of the movable groove, and the bottom of the clamping block (12) is movably arranged in the movable groove.

3. The gun-shaped rongeur for spinal surgery as claimed in claim 1, wherein: the improved structure of the clamp comprises an upper clamp rod (3), a rectangular groove is formed in the upper clamp rod, the top of a third spring (18) is fixedly arranged on the top wall of the rectangular groove, the bottom of the third spring (18) is fixedly arranged on one side of a pressing column (9), a sliding groove is formed in the bottom wall of the rectangular groove, and the bottom of the pressing column (9) and the top of a clamping block (12) are movably arranged in the sliding groove.

4. The gun-shaped rongeur for spinal surgery as recited in claim 1, wherein: the top of the second spring (15) is fixedly arranged at the bottom of the lower clamp rod (4).

5. The gun-shaped rongeur for spinal surgery as recited in claim 1, wherein: the top of preceding pincers mouth (2) has been seted up and has been fallen T type groove, the fixed connecting block that is provided with in bottom of back pincers mouth (1), the fixed traveller (17) that is provided with in bottom of connecting block, the overall structure activity that connecting block and traveller (17) formed sets up in falling T type inslot.

6. The gun-shaped rongeur for spinal surgery as claimed in claim 1, wherein: the bottom of lower tong pole (4) is fixed and is provided with back handle (5), the bottom of going up tong pole (3) is fixed and is provided with front handle (6), front handle (6) and back handle (5) are connected through the articulated elements.

7. The gun-shaped rongeur for spinal surgery as claimed in claim 6, wherein: the handle is characterized in that a first elastic plate (7) is fixedly arranged on one side of the front handle (6), a second elastic plate (8) is fixedly arranged on one side of the rear handle (5), and the other ends of the first elastic plate (7) and the second elastic plate (8) are connected through a movable column.