CN213345922U

CN213345922U - Aiming frame handle

Info

Publication number: CN213345922U
Application number: CN202021667651.3U
Authority: CN
Inventors: 江道海; 邹泽鹏; 龚长春; 宋威; 黄进吉
Original assignee: Double Medical Technology Inc
Current assignee: Shanghai Dabo Medical Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-04
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a handle of a sighting bracket, which comprises a handle main body, a handle rotating frame and a handle connecting rod, wherein the head part of the handle connecting rod is provided with an inner hole which radially penetrates through the handle rotating frame along the handle rotating frame; the tail part of the handle rotating frame is fixedly connected to the free end part of the vertical section of the handle main body; the handle connecting rod is internally provided with a sliding groove which is distributed along the axial direction and is communicated with the inner hole, and a locking piece is arranged in the sliding groove; the handle connecting rod comprises a rod body arranged along an axial direction, one end of the rod body is a rotating part matched with an inner hole of the handle rotating frame, and the rotating part is arranged in the inner hole, can rotate in the inner hole and is locked by the locking part; the other end of the rod body is provided with a limiting part which is matched with the intramedullary nail so as to solve the problem that a plurality of aiming brackets are required to be matched for operation when transverse locking nails are driven in different directions.

Description

Aiming frame handle

Technical Field

The utility model relates to the field of medical equipment, specifically relate to a sight handle.

Background

Intramedullary nails are the mainstream internal fixation devices for treating long bone fractures in the field of orthopedics at present, and in order to realize pressurization on fracture ends in an operation and prevent the phenomena of nail withdrawal and nail breakage, some existing intramedullary nails are additionally provided with transverse locking nails on main nails. However, when the included angle between the transverse locking nail and the main nail of the intramedullary nail system is large, a plurality of aiming brackets are often required to be matched for nailing operation in the operation, and a large amount of time is wasted due to repeated disassembly and assembly; in addition, the handle of current aiming arm mostly is fixed type, and the complex aiming arm needs to be processed bigger, and material cost is higher and inconvenient in the operation in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aiming arm hand (hold) to the problem that needs a plurality of aiming arm cooperation operations when solving the horizontal staple that the equidirectional not squeezed into.

The specific scheme is as follows:

a handle of a sighting bracket comprises a handle main body, a handle rotating frame and a handle connecting rod, wherein,

the handle main body is provided with a horizontal section and a vertical section which are approximately vertically arranged, and the horizontal section is provided with a mounting hole for fixing the aiming frame;

the handle rotating frame is a rod-shaped piece, the two ends of the handle rotating frame along the axial direction are respectively defined as a head part and a tail part, and the head part of the handle connecting rod is provided with an inner hole which radially penetrates through the handle rotating frame along the handle rotating frame; the tail part of the handle rotating frame is fixedly connected to the free end part of the vertical section of the handle main body; the handle connecting rod is internally provided with a sliding groove which is distributed along the axial direction and is communicated with the inner hole, and a locking piece is arranged in the sliding groove;

the handle connecting rod comprises a rod body arranged along an axial direction, and a through hole penetrating through the rod body along the axial direction is formed in the rod body; one end of the rod body is a rotating part which is matched with an inner hole of the handle rotating frame, and the rotating part is arranged in the inner hole, can rotate in the inner hole and is locked by the locking part; the other end of the rod body is provided with a limiting part which is matched with the intramedullary nail.

Further, the locking piece includes spacer pin and elastic component, spacer pin and elastic component are all installed in the sliding tray, and the spacer pin has the spacing boss that can stretch into to the hole in, the elastic component is applyed the spacer pin and is pushed its elasticity to the hole, have on the hand (hold) connecting rod with a plurality of spacing grooves that spacing boss phase-match set up.

Furthermore, the peripheral wall of the handle rotating frame is also provided with a button hole communicated with the sliding groove, a button is arranged in the button hole, the button is provided with a butting part capable of extending into the sliding groove, the limiting pin is provided with an inclined plane towards the outer wall of the button hole, the butting part of the button is matched with the inclined plane, and when the button is pressed down, the butting part of the button acts on the inclined plane to enable the limiting part of the limiting pin to move towards the direction far away from the inner hole.

Furthermore, a boss part is arranged at the free end part of the vertical section of the handle main body, a fixing groove matched with the boss part is arranged at the tail part of the handle rotating frame, and the boss part is inserted into the fixing groove and fixed.

Further, the mounting hole includes two inlay trepanning and a screw hole, the screw hole is located two and inlays between the trepanning, inlay the downthehole cover of inlaying of installing of trepanning, the cover is inlayed to the internal thread of threaded hole installation.

Furthermore, the periphery wall of the rotating part is provided with an anti-rotation groove, the periphery wall of the inner hole is provided with a fixing pin matched with the anti-rotation groove, and the fixing pin limits the handle connecting rod to move in the axial direction.

Furthermore, still have the first scale that is circumference and lays on the periphery wall of rotating part, the position of this first scale sets up with the position relative of window on the hand (hold) swivel mount.

Furthermore, the second end of the handle connecting rod is provided with second scales which are distributed at intervals along the axial direction of the handle connecting rod.

Furthermore, a screw hole matched with the driver is further formed in the peripheral wall of the handle rotating frame.

The utility model provides a aiming arm hand (hold) compares with prior art and has following advantage: the handle connecting rod of the aiming frame handle provided by the utility model can be rotationally locked, one aiming frame can solve the operation problem of transverse locking nails driven in different directions, the aiming frame does not need to be replaced in the operation, and the operation time is reduced; in addition, the sighting telescope matched with the rotary sighting telescope handle has small volume and low cost and is convenient for operation in operation.

Drawings

Fig. 1 shows a cross-sectional schematic view of a aiming block handle.

Fig. 2 shows a cross-sectional schematic view of the handlebar body.

Fig. 3 shows a schematic cross-sectional view of the handle swivel.

Fig. 4 shows a cross-sectional schematic view of the handlebar connecting rod.

Fig. 5 shows a front view of the handlebar connecting rod.

Fig. 6 shows an enlarged view at a in fig. 1.

Fig. 7 shows a schematic view of a spacing pin.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 6, the present embodiment provides a handle of an aiming arm, which includes a handle main body 1, a handle rotating frame 2 and a handle connecting rod 3.

The handlebar body 1 includes a horizontal section 11, a vertical section 12 and a connecting section 13, wherein the horizontal section 11 and the vertical section 12 are substantially perpendicular to each other, and the connecting section 13 connects the horizontal section 11 and the vertical section 12 in an arc transition manner. The horizontal section 11 is provided with two bushing holes 111 and a threaded hole 112, the threaded hole 112 is located between the two bushing holes 111, the bushing holes 111 and the threaded hole 112 are respectively matched with a bushing 113 and an internal thread bushing 114 which are installed in the bushing holes and are fixed by a pin 115 for matching with the aiming stand.

The free end of the vertical section 12 has a boss 121, and the boss 121 is used to fix the handle bar 2.

The hand (hold) swivel mount 2 is shaft-like spare, it is defined as head and afterbody respectively along axial both ends, have on the head along the radial hole 21 that runs through 2 heads of this hand (hold) swivel mount 2, still be provided with on the perisporium of this hole 21 and prevent revolving spacing hole 22, apron groove 23 and window 24, wherein hole 21 is used for installing with a tip cooperation of hand (hold) connecting rod 3, prevent revolving spacing hole 22 and the cooperation of preventing revolving spacing groove and pin on the hand (hold) connecting rod 3, reach the effect of restriction hand (hold) connecting rod 3 rotation angle and front and back position, apron groove 23 and apron cooperation, window 24 is used for observing the numerical value of the scale on the hand (hold) connecting rod 3, a work position for confirming hand (hold) connecting rod department.

The tail part of the handle rotating frame 2 is provided with a fixing groove 25 which is axially arranged along the handle rotating frame 2 and a sliding groove 26 which is axially communicated with the inner hole 21 along the handle rotating frame 2, and the fixing groove 25 is matched with a boss part 121 on the handle main body 1, so that the boss part 121 on the handle main body 1 can stretch into the fixing groove 25 and is fixed through a pin. The sliding groove 26 has a limiting pin 261 therein, the limiting pin 261 is matched with the sliding groove 26 to ensure that the limiting pin 261 can slide smoothly in the sliding groove 26, and the limiting pin 261 has a limiting boss 262 capable of extending into the inner hole 21.

The handle connecting rod 3 includes a rod body 30 arranged along an axial direction, the rod body 30 has two ends along the axial direction respectively defined as a first end and a second end, and a through hole 300 is formed in the rod body and penetrates through the rod body along the axial direction.

Wherein, the first end of this body of rod 30 is the rotating part 31 that sets up for cooperating with the hole 21 of hand (hold) swivel mount 2, and this rotating part 31 stretches into in the hole 21 and can be at the internal hole 21 internal rotation, is provided with on the periphery wall of this rotating part 31 with prevent revolving groove 32 of preventing that spacing hole 22 phase-match set up, prevents revolving the effect that the fixed pin in the spacing hole 22 reaches restriction hand (hold) connecting rod 3 axial position.

The outer peripheral wall of the rotating portion 31 is further provided with a plurality of limiting grooves 33 matched with the limiting bosses 262 of the limiting pin 261, the limiting grooves 33 are matched with the limiting pin 261 on the handle rotating frame 2, and when the limiting bosses 262 on the limiting pin 261 extend into one of the limiting grooves 33, the relative positions of the handle rotating frame 2 and the handle connecting rod 3 are fixed, namely, the handle connecting rod 3 is in a non-rotatable state.

For the convenience of observation, the outer peripheral wall of the rotating portion 31 is further provided with a first scale 34 arranged in the circumferential direction, and the position of the first scale 34 is opposite to the position of the window 24 on the handle rotating frame 2, so as to confirm the working position of the handle connecting rod 3.

The second end of the handle connecting rod 3 is provided with a limiting part 35 which is matched with the intramedullary nail for limiting, and the limiting part 35 is matched with the intramedullary nail for limiting and is matched with the connecting bolt through a through hole 300 for locking the main nail of the intramedullary nail. In addition, in order to visually confirm the insertion depth of the main nail, the second end of the handle connecting rod 3 is provided with second scales 36 arranged at intervals along the axial direction of the handle connecting rod.

The handle connecting rod 3 of the handle of the aiming frame provided by the embodiment can be rotationally locked, one aiming frame can solve the operation problem of transverse locking nails driven in different directions, the aiming frame does not need to be replaced in an operation, and the operation time is reduced; in addition, the sighting telescope matched with the rotary sighting telescope handle has small volume and low cost and is convenient for operation in operation.

In the present embodiment, the locking and unlocking of the handle connecting rod 3 of the stopper pin 261 is achieved by: the slide groove 26 has an elastic member 263 (the elastic member 263 in the present embodiment is a spring) for applying a force to push the stopper pin 261 toward the inner hole 21, the peripheral wall of the handle rotary frame 2 further has a button hole 27 communicating with the slide groove 26, a button 271 is installed in the button hole 27, the button 271 is fixed in the button hole 27 by a pin, and the button 271 is slidable in the button hole 27 and has an abutting portion 272 capable of protruding into the slide groove 26.

The outer wall of the limit pin 261 facing the button hole 27 is provided with an inclined surface 264, the abutting part 272 of the button 271 is matched with the inclined surface 264, when the button 271 is pressed down, the abutting part 272 of the button 271 acts on the inclined surface 264 to enable the limit boss 262 of the limit pin 261 to move in the direction away from the inner hole 21, so that the limit boss 262 of the limit pin 261 is separated from the limit groove 33 of the handle connecting rod 3, the unlocking of the handle connecting rod 3 is realized, and the handle connecting rod 3 can be rotated at the moment. After the button 271 is released, the limit pin 261 moves toward the inner hole 21 due to the action of the elastic element 263, so that the limit boss 262 of the limit pin 261 extends into the limit groove 33 of the handle connecting rod 3 to lock the handle connecting rod 3, and the limit pin 261 resets the button 271 to the original position while the limit pin 261 moves.

In this embodiment, the outer peripheral wall of the handle rotating frame 2 is further provided with a screw hole 28, and the screw hole 28 is used for cooperating with a driver to facilitate the nail feeding operation in the operation.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A aiming frame handle is characterized in that: comprises a handle main body, a handle rotating frame and a handle connecting rod, wherein,

2. The aiming frame handle as recited in claim 1, further comprising: the locking piece includes spacer pin and elastic component, spacer pin and elastic component are all installed in the sliding tray, and the spacer pin has the spacing boss that can stretch into to the hole, the elastic component is applyed the spacer pin and is pushed its elasticity to the hole, have on the hand (hold) connecting rod with a plurality of spacing grooves that spacing boss phase-match set up.

3. The aiming frame handle as recited in claim 2, further comprising: the handle rotating frame is characterized in that a button hole communicated with the sliding groove is further formed in the peripheral wall of the handle rotating frame, a button is installed in the button hole and provided with a stop portion capable of extending into the sliding groove, an inclined surface is arranged on the outer wall, facing the button hole, of the limiting pin, the stop portion of the button is matched with the inclined surface, and when the button is pressed down, the stop portion of the button acts on the inclined surface to enable the limiting portion of the limiting pin to move in the direction away from the inner hole.

4. The aiming frame handle as recited in claim 1, further comprising: the handle is characterized in that a boss part is arranged at the free end part of the vertical section of the handle main body, a fixing groove matched with the boss part is formed in the tail part of the handle rotating frame, and the boss part is inserted into the fixing groove and fixed.

5. The aiming frame handle as recited in claim 1, further comprising: the mounting hole comprises two bushing holes and a threaded hole, the threaded hole is located between the two bushing holes, a bushing is installed in the bushing hole, and an internal thread bushing is installed in the threaded hole.

6. The aiming frame handle as recited in claim 1, further comprising: the outer peripheral wall of the rotating part is provided with an anti-rotation groove, the peripheral wall of the inner hole is provided with a fixing pin matched with the anti-rotation groove, and the fixing pin limits the handle connecting rod to move in the axial direction.

7. The aiming frame handle as recited in claim 1, further comprising: still have the first scale that is circumference and lays on the periphery wall of rotating part, the position of this first scale sets up with the position relative of window on the hand (hold) swivel mount.

8. The aiming frame handle as recited in claim 1, further comprising: and the second end of the handle connecting rod is also provided with second scales which are distributed at intervals along the axial direction of the handle connecting rod.

9. The aiming frame handle as recited in claim 1, further comprising: and the peripheral wall of the handle rotating frame is also provided with a screw hole matched with the driver.