CN218356346U

CN218356346U - Mandril for tibial plateau fracture reduction

Info

Publication number: CN218356346U
Application number: CN202221736632.0U
Authority: CN
Inventors: 戴冠东; 刘国辉; 熊元; 郑伟; 黄康
Original assignee: Shenzhen Pingshan People's Hospital
Current assignee: Shenzhen Pingshan People's Hospital
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-01-24
Anticipated expiration: 2032-07-05

Abstract

The utility model provides a tibial plateau is restored to throne and is used ejector pin. The mandril for tibial plateau fracture reduction comprises a mounting frame, a first rotating shaft is rotatably mounted on the mounting frame, a mounting block is fixedly sleeved on the first rotating shaft, a plurality of mounting rods are fixedly mounted on the mounting block, and a jacking ball is fixedly mounted at one end of each mounting rod; the mounting structure comprises a first mounting plate, wherein the first mounting plate is fixedly mounted on one side of a mounting frame, a second rotating shaft is rotatably mounted on the first mounting plate, and a first bevel gear is fixedly mounted on the top end of the second rotating shaft. The utility model provides a tibial plateau is excellent for fracture reduction has and can switch the kickball according to actual conditions is nimble, switches comparatively laborsaving convenient advantage.

Description

Mandril for tibial plateau fracture reduction

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a tibial plateau is restored to throne and is used ejector pin.

Background

The tibial plateau collapse fracture is a common clinical fracture, the fracture causes the collapse and the unevenness of the tibial plateau joint surface, most of the fractures need to be treated through an operation, and the collapsed fracture part needs to be reset firstly during the operation.

However when the treatment that resets is carried out to wounded's shin bone, medical personnel can generally use the ejector pin to assist the treatment that resets, and although it is comparatively convenient to use the ejector pin treatment, but can only be equipped with a kickball on present ejector pin basically, when meetting the great wounded's kickball of shin bone folded surface and not fit for, medical personnel still need to dismantle the kickball with the help of the instrument and change, and it is comparatively troublesome hard to change.

Therefore, there is a need to provide a new tibial plateau fracture reduction mandril that solves the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can switch the kickball according to actual conditions is nimble, switch comparatively laborsaving convenient tibial plateau for fracture reduction kicking rod.

In order to solve the technical problem, the utility model provides a tibial plateau is restored to the throne and is included with the ejector pin: the mounting frame is rotatably provided with a first rotating shaft, the first rotating shaft is fixedly sleeved with a mounting block, the mounting block is fixedly provided with a plurality of mounting rods, and one end of each mounting rod is fixedly provided with a top ball; the first mounting plate is fixedly mounted on one side of the mounting frame, a second rotating shaft is rotatably mounted on the first mounting plate, and a first bevel gear is fixedly mounted at the top end of the second rotating shaft; the second bevel gear is fixedly arranged on one end of the first rotating shaft and meshed with the first bevel gear; the first knob is fixedly arranged at the bottom end of the second rotating shaft.

Preferably, mounting bracket bottom fixed mounting has the connecting block, the bottom fixed mounting of connecting block has a screw cylinder, the threaded rod is installed to screw cylinder internal thread, the bottom fixed mounting of threaded rod has the grab handle.

Preferably, the grab handle is fixedly sleeved with a grab handle sleeve, and the grab handle sleeve is provided with a plurality of grabbing grooves.

Preferably, one side fixed mounting of mounting bracket has the second mounting panel, the bolt is installed to the screw thread on the second mounting panel, the top of bolt with first knob threaded connection, the bottom fixed mounting of bolt has the second knob.

Preferably, the first knob is provided with a thread groove, the thread groove is matched with the bolt, the second mounting plate is provided with a threaded hole, and the threaded hole is matched with the bolt.

Preferably, the volumes of the top balls are different, and the top balls are all made of stainless steel.

Compared with the prior art, the utility model provides a tibial plateau is restored to the throne and is used the ejector pin to have following beneficial effect:

the utility model provides a tibial plateau is restored to throne and is used kicking rod:

1. through the arrangement of the mounting frame, the first rotating shaft, the mounting block, the mounting rods, the jacking balls, the first mounting plate, the second rotating shaft, the first bevel gear, the second bevel gear and the first knob, a simple and convenient-to-switch jacking rod tool can be formed, after simple operation, the jacking balls can be flexibly switched according to actual conditions, and the switching is labor-saving and convenient;

2. through connecting block, a screw thread section of thick bamboo, threaded rod and the grab handle that sets up, can constitute a simple and easy adjustable length's holding rod, can carry out length control according to actual conditions is nimble, makes things convenient for personnel to hold and uses, through second mounting panel mountable bolt, can be spacing fixed to first knob when screwing up through the bolt, avoids the mistake to touch and leads to first knob to rotate the upset and use.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of a mandril for tibial plateau fracture reduction provided by the utility model;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 2.

The reference numbers in the figures: 1. a mounting frame; 2. a first rotating shaft; 3. mounting blocks; 4. mounting a rod; 5. ejecting the ball; 6. a first mounting plate; 7. a second rotating shaft; 8. a first bevel gear; 9. a second taper tooth; 10. a first knob; 11. connecting blocks; 12. a threaded barrel; 13. a threaded rod; 14. a handle; 15. a handle sleeve; 16. a second mounting plate; 17. and (4) bolts.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic sectional view of a front view of a mandril for tibial plateau fracture reduction according to the present invention; fig. 2 is a schematic view of the structure of the present invention; fig. 3 is an enlarged schematic view of a portion a shown in fig. 2. The tibial plateau is restored and is used the knock-pin and includes: the mounting structure comprises a mounting frame 1, wherein a first rotating shaft 2 is rotatably mounted on the mounting frame 1, a mounting block 3 is fixedly sleeved on the first rotating shaft 2, a plurality of mounting rods 4 are fixedly mounted on the mounting block 3, and a top ball 5 is fixedly mounted at one end of each mounting rod 4; the mounting structure comprises a first mounting plate 6, wherein the first mounting plate 6 is fixedly mounted on one side of the mounting frame 1, a second rotating shaft 7 is rotatably mounted on the first mounting plate 6, and a first bevel gear 8 is fixedly mounted at the top end of the second rotating shaft 7; the second conical teeth 9 are fixedly arranged on one end of the first rotating shaft 2, and the second conical teeth 9 are meshed with the first conical teeth 8; first knob 10, first knob 10 fixed mounting be in on the bottom of second pivot 7, through the mounting bracket 1 that sets up, first pivot 2, installation piece 3, a plurality of installation pole 4, a plurality of knob 5, first mounting panel 6, second pivot 7, first awl tooth 8, second awl tooth 9 and first knob 10, can constitute a simple and easy and convenient top stick apparatus that switches, simple operation back can switch top ball 5 according to actual conditions is nimble, and it is comparatively laborsaving convenient to switch.

1 bottom fixed mounting of mounting bracket has connecting block 11, the bottom fixed mounting of connecting block 11 has a screw thread section of thick bamboo 12, threaded rod 13 is installed to screw thread section of thick bamboo 12 internal thread, the bottom fixed mounting of threaded rod 13 has grab handle 14, through connecting block 11, screw thread section of thick bamboo 12, threaded rod 13 and the grab handle 14 that sets up, can constitute a simple and easy adjustable length's holding rod, can carry out length control according to actual conditions is nimble, makes things convenient for personnel to hold and holds the use.

The grab handle 14 is fixedly sleeved with a handle sleeve 15, and the handle sleeve 15 is provided with a plurality of grabbing grooves.

One side fixed mounting of mounting bracket 1 has second mounting panel 16, bolt 17 is installed to the last screw thread of second mounting panel 16, bolt 17 the top with first knob 10 threaded connection, the bottom fixed mounting of bolt 17 has the second knob, through second mounting panel 16 mountable bolt 17, can be spacing fixed to first knob 10 when screwing up through bolt 17, avoids the mistake to touch and leads to first knob 10 to rotate the upset and use.

The first knob 10 is provided with a thread groove, the thread groove is matched with the bolt 17, the second mounting plate 16 is provided with a thread hole, and the thread hole is matched with the bolt 17.

The volume of the jacking balls 5 is different, and the jacking balls 5 are all made of stainless steel.

The utility model provides a tibial plateau is restored to throne and is used the theory of operation of excellent as follows:

when the jacking ball 5 needs to be switched, a person can firstly loosen the bolt 17 to enable the top end of the bolt to be separated from a thread groove on the first knob 10, the first knob 10 loses the limit, then the person can rotate the first knob 10, the first knob 10 drives the second rotating shaft 7 to rotate, the second rotating shaft 7 rotates to drive the first bevel gear 8 and the second bevel gear 9 to drive the first rotating shaft 2 to rotate, the mounting block 3 rotates along with the first rotating shaft 2 when the first rotating shaft 2 rotates, the rotating mounting block 3 can switch the jacking ball 5, the first knob 10 stops rotating when the jacking ball 5 with the proper volume is switched to the right upper side, then the bolt 17 is screwed down to reset, the reset bolt 17 limits and fixes the first knob 10 again, and therefore the jacking ball 5 can be switched conveniently in a labor-saving mode through simple operation, and the use is convenient; during the use, can adjust the length according to the required rotatory screw cylinder 12, when screw cylinder 12 rotated, threaded rod 13 slowly moved outside screw cylinder 12, in this way can prolong the length of this apparatus.

the utility model provides a tibial plateau fracture is excellent for restoration, mounting bracket 1 through setting up, first pivot 2, installation piece 3, a plurality of installation poles 4, a plurality of knob 5, first mounting panel 6, second pivot 7, first awl tooth 8, second awl tooth 9 and first knob 10, can constitute a simple and easy and conveniently switched excellent apparatus, after simple operation, can switch knob 5 according to actual conditions is nimble, it is comparatively laborsaving convenient to switch, connecting block 11 through setting up, a screw thread section of thick bamboo 12, threaded rod 13 and grab handle 14, can constitute a simple and easy adjustable length's holding rod, can carry out length control according to actual conditions is nimble, make things convenient for personnel to hold the use of holding, through 16 mountable bolts 17 of second mounting panel, can be when screwing up spacing fixed to first knob 10 through bolts 17, avoid the mistake to touch and lead to first knob 10 to rotate the upset and use.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A mandril for tibial plateau fracture reduction is characterized by comprising:

the mounting frame is rotatably provided with a first rotating shaft, the first rotating shaft is fixedly sleeved with a mounting block, the mounting block is fixedly provided with a plurality of mounting rods, and one ends of the mounting rods are fixedly provided with ejector balls;

the first mounting plate is fixedly mounted on one side of the mounting frame, a second rotating shaft is rotatably mounted on the first mounting plate, and a first bevel gear is fixedly mounted at the top end of the second rotating shaft;

the second bevel gear is fixedly arranged on one end of the first rotating shaft and is meshed with the first bevel gear;

the first knob is fixedly arranged at the bottom end of the second rotating shaft.

2. The tibial plateau fracture reduction ejector rod as claimed in claim 1, wherein a connecting block is fixedly mounted at the bottom of the mounting frame, a threaded cylinder is fixedly mounted at the bottom of the connecting block, a threaded rod is internally threaded in the threaded cylinder, and a grab handle is fixedly mounted at the bottom end of the threaded rod.

3. The tibial plateau fracture reduction ejector pin of claim 2, wherein the grip is fixedly sleeved with a grip sleeve, and the grip sleeve is provided with a plurality of gripping grooves.

4. The ejector rod for tibial plateau fracture reduction according to claim 1, wherein a second mounting plate is fixedly mounted on one side of the mounting frame, a bolt is mounted on the second mounting plate in a threaded manner, the top end of the bolt is in threaded connection with the first knob, and a second knob is fixedly mounted at the bottom end of the bolt.

5. The tibial plateau fracture reduction ejector pin of claim 4, wherein the first knob is provided with a thread groove, the thread groove is matched with the bolt, and the second mounting plate is provided with a threaded hole, and the threaded hole is matched with the bolt.

6. The mandril for reducing tibial plateau fractures according to claim 1, wherein the volumes of the plurality of the jacking balls are different, and the jacking balls are made of stainless steel.