CN211022950U

CN211022950U - Electric rongeur

Info

Publication number: CN211022950U
Application number: CN201921304908.6U
Authority: CN
Inventors: 林中啸; 张弩; 李思思
Original assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Current assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-07-17
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an electronic rongeur, its technical scheme main points are including preceding pincers mouth, back pincers mouth, go up tong bar, lower tong bar and pincers seat, install electric actuator on the pincers seat, the last telescopic shaft that is used for stretching out or retracting that is provided with of electric actuator, telescopic shaft dorsad electric actuator's one end is connected with the rear end of last tong bar. The utility model discloses following beneficial effect has: during the operation, medical personnel handheld pincers seat, preceding pincers mouth aim at the skeleton that needs to sting and cut, and electric actuator uses telescopic shaft to connect the upper jaw pole, and the drive is gone up the pincers pole and is driven the back pincers mouth and move towards the pincers mouth and clamp, stings and cuts the skeleton and take out, through the electric control binding clip, and medical personnel need not to exert oneself and press from both sides tight keeping silent when the operation, avoids the hand to tremble because of exerting oneself to avoid the binding clip shake, the smooth of guarantee operation goes on.

Description

Electric rongeur

Technical Field

The utility model relates to a medical instrument, more specifically say, it relates to an electronic rongeur.

Background

Rongeur is a surgical instrument for biting and cutting and taking out necrotic and saprophytic bones or correcting bones in orthopedic surgery. The rongeur comprises a tong head part and a hand handle part, the tong head bites and cuts bones by holding the hand handle, the bones are hard, the hand handle must be held tightly by force, the use is labor-consuming and time-consuming, the tong head is easy to shake, the bone cannot be cut stably and accurately, and the smooth operation is guaranteed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an electronic rongeur, this rongeur pass through the electric control binding clip, and the binding clip is difficult for trembling during the use, the going on smoothly of guarantee operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electronic rongeur, including preceding pincers mouth, back pincers mouth, go up the tong pole, lower tong pole and pincers seat, preceding pincers mouth can be dismantled the front end of connecting at lower tong pole, back pincers mouth can be dismantled the front end of connecting at last tong pole, the rear end of lower tong pole is fixed at the front end of pincers seat, go up tong pole sliding connection on lower tong pole, install electric actuator on the pincers seat, the last telescopic shaft that is used for stretching out or retracting that is provided with of electric actuator, the one end that the telescopic shaft dorsad electric actuator is connected with the rear end of last tong pole.

The utility model discloses further set up to: the electric device comprises a shell, a motor and a gear, wherein the shell is fixedly connected to the top surface of the clamp seat, the motor is fixedly connected to the inner wall of the shell, an output shaft is arranged on the motor, the gear is connected to the output shaft in a keyed mode, a telescopic opening is formed in the shell, the telescopic shaft is arranged on the telescopic opening in a sliding mode, a rack is arranged on one end, opposite to the motor, of the telescopic shaft, and the gear is meshed with the rack.

The utility model discloses further set up to: the electric device also comprises a rotating wheel, two ends of the rotating wheel are rotatably connected to the inner wall of the shell and arranged below the output shaft, and when the installation is completed, the gear, the rotating wheel and the telescopic shaft with the telescopic port are limited, so that the telescopic shaft slides along the length direction of the telescopic shaft.

The utility model discloses further set up to: be provided with handheld portion on the pincers seat, be provided with shift knob on the handheld portion, electric actuator still includes the battery, shift knob control battery and the opening and close of motor electricity connection.

The utility model discloses further set up to: the upper clamp rod is provided with a lamp for illumination, and the lamp is electrically connected with the battery.

The utility model discloses further set up to: be provided with first spout on the lower tong pole, go up the tong pole and be provided with at least one first sliding block, be provided with the spacing groove on the first spout, be provided with spacing arch on the first sliding block, first sliding block slides and sets up in first spout, and spacing arch slides and sets up at the spacing inslot.

The utility model discloses further set up to: the front clamp mouth is provided with a second sliding groove, the rear clamp mouth is provided with a second sliding block, and the second sliding block is arranged in the second sliding groove in a sliding manner.

The utility model discloses further set up to: the front tong mouth is provided with a first slide bar, the first slide bar is provided with a first clamping groove, the rear tong mouth is provided with a second slide bar, the second slide bar is provided with a second clamping groove, the lower tong bar is provided with a first clamping hole, the first clamping hole is provided with a first slotted hole, a first clamping strip and a first spring, the first clamping strip is provided with a first rotating shaft, two ends of the first rotating shaft are respectively and rotatably connected to the inner wall of the first slotted hole, one end of the first spring is connected to one end, back to the first slide bar, of the first clamping strip, the other end of the first spring is connected to the inner wall of the first clamping hole, the first clamping strip is provided with a first bulge relative to the first slide bar, when the first slide bar is inserted into the first clamping hole, the first bulge is clamped into the first clamping groove, and the first slide bar is fixed in the first clamping hole; the upper clamp rod is provided with a second clamping hole, the second clamping hole is provided with a second slotted hole, a second clamping strip and a second spring, a second rotating shaft is arranged on the second clamping strip, two ends of the second rotating shaft are respectively connected to the inner wall of the second slotted hole in a rotating mode, one end of the second spring is connected to one end, back to the second sliding rod, of the second clamping strip, the other end of the second spring is connected to the inner wall of the second clamping hole, a second bulge is arranged on the second clamping strip relative to the second sliding rod, when the second sliding rod is inserted into the second clamping hole, the second bulge is clamped into the second clamping groove, and the second sliding rod is fixed in the second clamping hole.

The utility model discloses further set up to: the front clamp mouth is provided with a front hook and a first accommodating cavity, the front hook is provided with a front cutting edge, the rear clamp mouth is provided with a rear hook and a second accommodating cavity, the rear hook part is provided with a rear cutting edge, and the front cutting edge is matched with the rear cutting edge.

The utility model discloses further set up to: the shell is made of medical polyvinyl chloride plastic.

To sum up, the utility model discloses following beneficial effect has: during the operation, medical personnel handheld pincers seat, preceding pincers mouth aim at the skeleton that needs to sting and cut, and electric actuator uses telescopic shaft to connect the upper jaw pole, and the drive is gone up the pincers pole and is driven the back pincers mouth and move towards the pincers mouth and clamp, stings and cuts the skeleton and take out, through the electric control binding clip, and medical personnel need not to exert oneself and press from both sides tight keeping silent when the operation, avoids the hand to tremble because of exerting oneself to avoid the binding clip shake, the smooth of guarantee operation goes on.

Drawings

FIG. 1 is a schematic structural view of an electric rongeur;

FIG. 2 is a schematic structural view of a front jaw of the electric rongeur;

FIG. 3 is a schematic structural view of a rear jaw of the electric rongeur;

FIG. 4 is a schematic structural view of an upper jaw lever of the electric rongeur;

FIG. 5 is a schematic view of the structure of the lower jaw bar of the electric rongeur;

FIG. 6 is a schematic structural view of an electric device of the electric rongeur;

fig. 7 is a schematic view of a limiting groove structure of the electric rongeur.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-7, an electric rongeur comprises a front tong mouth 1, a rear tong mouth 2, an upper tong rod 3, a lower tong rod 4 and a tong seat 5, wherein the front tong mouth 1 is detachably connected with the front end of the lower tong rod 4, the rear tong mouth 2 is detachably connected with the front end of the upper tong rod 3, the rear end of the lower tong rod 4 is fixed at the front end of the tong seat 5, the upper tong rod 3 is slidably connected with the lower tong rod 4, an electric device 6 is installed on the tong seat 5, an extension shaft 61 for extending out or retracting is arranged on the electric device 6, and one end of the extension shaft 61, which is back to the electric device 6, is connected with the rear end of the upper tong rod 3.

Through the scheme, during the operation, medical personnel handheld pincers seat 5, preceding pincers mouth 1 aims at the skeleton that needs to sting and cut, electric actuator 6 uses telescopic shaft 61 to connect upper jaw rod 3, the drive is gone up pincers rod 3 and is driven back pincers mouth 2 and move forward pincers mouth 1 and clamp, sting and cutting the skeleton and take out, through the electric control binding clip, medical personnel need not to exert oneself when the operation and press from both sides tight keeping silent, avoid the hand to shake because of exerting oneself, thereby avoid the shaking of binding clip, the smooth of guarantee operation goes on.

As a modified specific embodiment, the electric device 6 comprises a housing 62, a motor 63 and a gear 64, the housing 62 is fixedly connected to the top surface of the caliper seat 5, the motor 63 is fixedly connected to the inner wall of the housing 62, the motor 63 is provided with an output shaft 631, the gear 64 is keyed on the output shaft 631, the housing 62 is provided with a telescopic opening 621, the telescopic shaft 61 is slidably arranged on the telescopic opening 621, one end of the telescopic shaft 61 opposite to the motor 63 is provided with a rack 611, and the gear 64 is meshed with the rack 611.

Through the above scheme, medical personnel switch on, the starting drive, output shaft 631 on the motor 63 drives gear 64 and rotates, gear 64 drives rack 611 and removes, make telescopic shaft 61 stretch out telescopic mouth 621, or retract telescopic mouth 621, it moves to drive tong bar 3, motor 63 provides drive power, gear 64 strengthens the power of output with rack 611, it is steady to make telescopic shaft 61 remove, it carries out back pincers mouth 2 removal to provide sufficient power, 1 sting of pincers mouth before the cooperation cuts the skeleton, use electric drive to keep silent and open and shut, easy control, stable operation, avoid rapid transformation to produce the impact injury to the human body. The housing 62 protects the internal components from contact with the outside and damage.

As a modified specific embodiment, the electric device 6 further includes a rotating wheel 65, two ends of the rotating wheel 65 are rotatably connected to the inner wall of the housing 62 and disposed below the output shaft 631, and when the installation is completed, the gear 64, the rotating wheel 65 and the telescopic port 621 limit the telescopic shaft 61, so that the telescopic shaft 61 slides along the length direction thereof.

Through the scheme, the gear 64 is arranged above the rack 611 on the output shaft 631, and the rotating wheel 65 is matched with the telescopic port 621, so that the telescopic shaft 61 keeps linear motion and is stable and not easy to shake.

As a modified specific embodiment, the forceps holder 5 is provided with a handheld portion 51, the handheld portion 51 is provided with a switch button 52, the electric device 6 further includes a battery 66, and the switch button 52 controls the on/off of the battery 66 and the motor 63.

Through the scheme, the battery 66 provides power for the motor 63, independent operation and control are achieved, the influence of an external power supply is reduced, and the use is convenient. The switch button 52 controls the motor 63 to be turned on and off, and is arranged on the handheld part 51 for being conveniently held and pressed for use.

In a modified embodiment, a lamp 36 for illumination is provided on the upper nipper arm 3, and the lamp 36 is electrically connected to the battery 66.

Through the scheme, the operation area is illuminated through the lamp 36, the operation visual field is improved, and bones needing to be bitten and cut are conveniently and correctly positioned.

As a modified specific embodiment, the lower nipper lever 4 is provided with a first sliding groove 41, the upper nipper lever 3 is provided with at least one first sliding block 31, the first sliding groove 41 is provided with a limiting groove 411, the first sliding block 31 is provided with a limiting protrusion 311, the first sliding block 31 is slidably disposed in the first sliding groove 41, and the limiting protrusion 311 is slidably disposed in the limiting groove 411.

Through above-mentioned scheme, spacing groove 411 and spacing protruding 311 cooperation are injectd last tong bar 3 and are connected with lower tong bar 4 sliding, and difficult not hard up from top to bottom is not hard up, trembles when avoiding using, makes last tong bar 3 slide about lower tong bar 4 steadily.

As a modified specific embodiment, the front nipper 1 is provided with a second sliding chute 11, the rear nipper 2 is provided with a second sliding block 21, and the second sliding block 21 is slidably arranged in the second sliding chute 11.

Through above-mentioned scheme, make back pincers mouth 2 for preceding pincers mouth 1 steadily the horizontal slip, it is not hard up when avoiding using, influence preceding pincers mouth 1 and back pincers mouth 2 cooperation.

As an improved specific embodiment, a first slide bar 12 is arranged on the front plier mouth 1, a first clamping groove 14 is arranged on the first slide bar 12, a second slide bar 22 is arranged on the rear plier mouth 2, a second clamping groove 24 is arranged on the second slide bar 22, a first clamping hole 42 is arranged on the lower plier bar 4, a first slotted hole 43, a first buckling strip 44 and a first spring 45 are arranged on the first clamping strip 42, a first rotating shaft 441 is arranged on the first buckling strip 44, two ends of the first rotating shaft 441 are respectively and rotatably connected on the inner wall of the first slotted hole 43, one end of the first spring 45 is connected with one end of the first buckling strip 44 back to the first slide bar 12, the other end of the first spring 45 is connected on the inner wall of the first clamping hole 42, the first buckling strip 44 is provided with a first bulge 442 corresponding to the first slide bar 12, when the first sliding rod 12 is inserted into the first locking hole 42, the first protrusion 442 is locked into the first locking slot 14, so as to fix the first sliding rod 12 in the first locking hole 42; the upper nipper lever 3 is provided with a second clamping hole 32, the second clamping hole 32 is provided with a second slot hole 33, a second buckle strip 34 and a second spring 35, the second buckle strip 34 is provided with a second rotating shaft 341, two ends of the second rotating shaft 341 are respectively rotatably connected to the inner wall of the second slot hole 33, one end of the second spring 35 is connected to one end of the second buckle strip 34, which is back to the second slide bar 22, the other end of the second spring 35 is connected to the inner wall of the second clamping hole 32, the second buckle strip 34 is provided with a second protrusion 342 relative to the second slide bar 22, when the second slide bar 22 is inserted into the second clamping hole 32, the second protrusion 342 is clamped into the second clamping groove 24, and the second slide bar 22 is fixed in the second clamping hole 32.

Through the above scheme, the rear end of the first buckle strip 44 extends out of the first slot hole 43, the rear end of the first buckle strip 44 is pressed down, so that the first buckle strip 44 rotates around the first rotating shaft 441, the front end of the first buckle strip 44 tilts, the first slide bar 12 is inserted into the first clamping hole 42, the rear end of the first buckle strip 44 is loosened, the first spring 45 pushes the rear end of the first buckle strip 44 to tilt, so that the first buckle strip 44 rotates, the first protrusion 442 is pressed down and clamped into the first clamping groove 14, and the front nipper mouth 1 is detachably mounted on the lower nipper rod 4; the rear end of the second buckle bar 34 extends out of the second slot 33, the rear end of the second buckle bar 34 is pressed down, the second buckle bar 34 rotates around the second rotating shaft 341, the front end of the second buckle bar 34 tilts, the second slide bar 22 is inserted into the second clamping hole 32, the rear end of the second buckle bar 34 is loosened, the second spring 35 pushes the rear end of the second buckle bar 34 to tilt, the second buckle bar 34 rotates, the second protrusion 342 on the front end of the second buckle bar 34 is pressed downwards and clamped into the second clamping groove 24, and the rear nipper mouth 2 is detachably mounted on the upper nipper bar 3. Preceding pincers mouth 1 and back pincers mouth 2 are removable, and after using, change preceding pincers mouth 1 and back pincers mouth 2, avoid infecting, guarantee to nurse health. The front forceps mouth 1 and the rear forceps mouth 2 which are suitable for replacement are convenient to perform the operation, the front forceps mouth and the rear forceps mouth are suitable for biting and cutting bones with different shapes, and the smooth performance of the operation is guaranteed due to different operation types.

As a modified specific embodiment, the front tong mouth 1 is provided with a front hook 15 and a first accommodating cavity 13, the front hook 15 is provided with a front cutting edge 16, the rear tong mouth 2 is provided with a rear hook 25 and a second accommodating cavity 23, the rear hook 25 is provided with a rear cutting edge 26, and the front cutting edge 16 is matched with the rear cutting edge 26.

Through the scheme, the front cutting edge 16 is embedded with the rear cutting edge 26 to bite bones, and the bitten and cut bones are placed in a cavity formed by the matching of the first accommodating cavity 13 and the second accommodating cavity 23, so that other human tissues are prevented from being influenced.

In one embodiment of the improvement, the housing 62 is made of medical grade polyvinyl chloride plastic.

By the scheme, the plastic is lighter than steel, and medical grade materials are easy to ensure cleanness and sanitation and are not easy to have adverse reaction with human bodies.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electronic rongeur, is including preceding pincers mouth (1), back pincers mouth (2), goes up tong bar (3), lower tong bar (4) and pincers seat (5), characterized by: preceding pincers mouth (1) can be dismantled the front end of connecting at lower tong pole (4), back pincers mouth (2) can be dismantled the front end of connecting at last tong pole (3), the rear end of lower tong pole (4) is fixed at the front end of pincers seat (5), go up tong pole (3) sliding connection on lower tong pole (4), install electric actuator (6) on pincers seat (5), be provided with on electric actuator (6) and be used for stretching out or retracting telescopic shaft (61), telescopic shaft (61) one end that dorsad electric actuator (6) is connected with the rear end of last tong pole (3).

2. The electric rongeur of claim 1, wherein: electric actuator (6) includes shell (62), motor (63) and gear (64), shell (62) fixed connection is on the top surface of pincers seat (5), motor (63) fixed connection is on the inner wall of shell (62), be provided with output shaft (631) on motor (63), gear (64) key-type is connected on output shaft (631), be provided with flexible mouthful (621) on shell (62), flexible axle (61) slide and set up on flexible mouthful (621), one of last relative motor (63) of flexible axle (61) is served and is provided with rack (611), gear (64) and rack (611) meshing.

3. The electric rongeur of claim 2, wherein: the electric device (6) further comprises a rotating wheel (65), two ends of the rotating wheel (65) are rotatably connected to the inner wall of the shell (62) and arranged below the output shaft (631), and when the installation is completed, the gear (64), the rotating wheel (65) and the telescopic shaft (61) are limited by the telescopic port (621), so that the telescopic shaft (61) slides along the length direction of the telescopic shaft.

4. The electric rongeur of claim 3, wherein: be provided with handheld portion (51) on pincers seat (5), be provided with shift knob (52) on handheld portion (51), electric actuator (6) still includes battery (66), shift knob (52) control battery (66) and motor (63) electricity be connected open and close.

5. The electric rongeur of claim 4, wherein: the upper clamp rod (3) is provided with a lamp (36) for illumination, and the lamp (36) is electrically connected with the battery (66).

6. The electric rongeur of claim 1, wherein: be provided with first spout (41) on lower tong pole (4), go up tong pole (3) and be provided with at least one first sliding block (31), be provided with spacing groove (411) on first spout (41), be provided with spacing arch (311) on first sliding block (31), first sliding block (31) slide and set up in first spout (41), spacing arch (311) slide and set up in spacing groove (411).

7. The electric rongeur of claim 6, wherein: the front tong nozzle (1) is provided with a second sliding groove (11), the rear tong nozzle (2) is provided with a second sliding block (21), and the second sliding block (21) is arranged in the second sliding groove (11) in a sliding mode.

8. The electric rongeur of claim 7, wherein: a first sliding rod (12) is arranged on the front tong nozzle (1), a first clamping groove (14) is arranged on the first sliding rod (12), a second sliding rod (22) is arranged on the rear tong nozzle (2), a second clamping groove (24) is arranged on the second sliding rod (22), a first clamping hole (42) is arranged on the lower tong rod (4), a first slotted hole (43), a first clamping strip (44) and a first spring (45) are arranged on the first clamping hole (42), a first rotating shaft (441) is arranged on the first clamping strip (44), two ends of the first rotating shaft (441) are respectively and rotatably connected on the inner wall of the first slotted hole (43), one end of the first spring (45) is connected to one end, back to the first sliding rod (12), of the first clamping strip (44), the other end of the first spring (45) is connected on the inner wall of the first clamping hole (42), and a first protrusion (442) is arranged on the first clamping strip (44) relative to the first sliding rod (12), when the first sliding rod (12) is inserted into the first clamping hole (42), the first protrusion (442) is clamped into the first clamping groove (14), and the first sliding rod (12) is fixed in the first clamping hole (42); a second clamping hole (32) is arranged on the upper clamp rod (3), a second slotted hole (33), a second buckling strip (34) and a second spring (35) are arranged on the second clamping hole (32), a second rotating shaft (341) is arranged on the second buckle strip (34), two ends of the second rotating shaft (341) are respectively and rotatably connected on the inner wall of the second slotted hole (33), one end of the second spring (35) is connected with one end of the second buckle strip (34) back to the second sliding rod (22), the other end of the second spring (35) is connected to the inner wall of the second clamping hole (32), the second buckle strip (34) is provided with a second bulge (342) relative to the second sliding rod (22), when the second sliding rod (22) is inserted into the second clamping hole (32), the second protrusion (342) is clamped into the second clamping groove (24), and the second sliding rod (22) is fixed in the second clamping hole (32).

9. The electric rongeur of claim 8, wherein: the front pliers mouth (1) is provided with a front hook (15) and a first containing cavity (13), a front cutting edge (16) is arranged on the front hook (15), the rear pliers mouth (2) is provided with a rear hook (25) and a second containing cavity (23), a rear cutting edge (26) is arranged on the rear hook (25), and the front cutting edge (16) is matched with the rear cutting edge (26).

10. The electric rongeur of claim 2, wherein: the shell (62) is made of medical polyvinyl chloride plastic.