CN113143431A

CN113143431A - Auxiliary reductor for fracture

Info

Publication number: CN113143431A
Application number: CN202110435572.2A
Authority: CN
Inventors: 李绪辉; 叶燕平; 王涛; 林勇
Original assignee: Third Affiliated Hospital Of Guangdong Medical University (foshan Shunde Longjiang Hospital)
Current assignee: Third Affiliated Hospital Of Guangdong Medical University (foshan Shunde Longjiang Hospital)
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-07-23

Abstract

The invention discloses a fracture auxiliary repositor, which comprises a guide pin and an expansion device, wherein the guide pin is arranged on the expansion device; one end of the guide pin is a handheld end, and the other end of the guide pin is an insertion end; the expansion device comprises an expansion piece and a driving part for driving the expansion piece to expand and contract, the expansion piece is arranged on the guide pin, and the driving part is arranged at the handheld end. Compared with the prior art, when the device is used for fracture auxiliary reduction, the whole operation is simple and convenient, the auxiliary effect is very convenient for operators to reduce the fracture, and the device has higher practicability.

Description

Auxiliary reductor for fracture

Technical Field

The invention relates to the field of medical instruments, in particular to an auxiliary reductor for fracture.

Background

Common fractures such as tibial and femoral fractures account for about 5% of the total fractures, which are mostly seen in young and middle-aged people and are mostly caused by falls, high falls, and the like. Because the tibial bone and the femoral bone are the longest and strongest bones of the human body, the tibial bone and the femoral bone have important functions on the walking, standing and labor productivity of the human body, and the effective fracture treatment has great significance on reducing the disability rate.

At present, fracture reduction displacement is difficult, eccentric fixation needs to be corrected by adopting a blocking nail technology, and the whole operation mode is very difficult, so that a restorer capable of facilitating auxiliary fracture reduction displacement is urgently needed.

Disclosure of Invention

The embodiment of the invention aims to provide an auxiliary reductor for fracture, which has the advantages of simple operation and higher working efficiency.

In order to achieve the above object, an embodiment of the present invention provides a fracture auxiliary repositor, which includes a guide pin and an expansion device;

one end of the guide pin is a handheld end, and the other end of the guide pin is an insertion end;

the expansion device comprises an expansion piece and a driving part for driving the expansion piece to expand and contract, the expansion piece is arranged on the guide pin, and the driving part is arranged at the handheld end.

Compared with the prior art, when the device is used for fracture auxiliary reduction, the guide pin is firstly sent into a marrow cavity at the far fracture end under C-arm perspective monitoring, then the expansion piece is moved to a broken bone position needing reduction under the C-arm perspective monitoring by using the guide pin, then an operator inflates the expansion piece by controlling the air pump, the expansion piece gradually expands, the expansion piece is gradually filled in the marrow cavity of the fractured bone in the expansion process, at the moment, the broken bone can be restored and moved, after the C-arm perspective shows that the reduction effect is satisfactory, the reduction is maintained outside the hand of the operator, the restorer is withdrawn for marrow expansion operation, after the marrow is expanded to the target diameter, the expansion piece is sent to the bone fracture end through the guide pin again, the inflation reduction process after the marrow expansion is carried out again, the restorer is withdrawn after the C-arm perspective reduction is satisfactory, and the intramedullary nail is placed into the intramedullary nail through the guide pin. The whole operation is simple and convenient, the auxiliary effect is very convenient for the operator to reset the fracture, and the practicability is higher.

As an improvement of the above scheme, the expansion piece comprises an air bag, and the air bag is sleeved outside the guide pin;

the drive portion includes air pump and trachea, the trachea is fixed attached set up in the guide pin, the air pump passes through the trachea with the gasbag is connected.

As an improvement of the scheme, one end of the air pipe is connected with the air bag, the other end of the air pipe is connected with a quick connector, and the air pump is connected with the quick connector.

As an improvement of the scheme, the outer part of the air bag is wrapped with a hard glue layer.

As an improvement of the scheme, a metal developing strip is fixedly arranged in the expansion piece.

As an improvement of the scheme, the metal developing strips are arranged in a sheet shape.

As a modification of the above, the metal developing strip is located in the middle of the air bag.

The method has the following specific beneficial effects:

1. in order to facilitate daily maintenance and storage of the device, the integral structure of the driving part is arranged in a manner of being convenient to disassemble, wherein one end of the air pipe is connected with the air bag, the other end of the air pipe is connected with a quick connector, and the air pump is connected with the quick connector;

2. the outside parcel of gasbag is provided with the ebonite layer. The arrangement of the hard glue layer is convenient for the integral shaping of the expansion piece, so that the expansion process of the expansion piece can be more stable, the use and operation stability of the device is improved, and the practicability is stronger;

3. the expansion piece is internally and fixedly provided with a metal developing strip. The metal developing strip can be developed during C-arm fluoroscopy, an operator can perform fracture reduction operation through the developing condition, the restorer can perform reduction for multiple times before and after reaming, poor fracture reduction caused by eccentric implantation of the intramedullary nail due to the fact that eccentric reaming is performed under the condition of no reduction or unsatisfactory reduction is avoided, and the intramedullary nail can be successfully implanted after reaming by expanding and reducing again;

4. in order to optimize the overall developing effect, the metal developing strips are arranged in a sheet shape and are positioned in the middle of the air bag.

Drawings

FIG. 1 is a schematic diagram of a specific structure of an embodiment of the present invention;

fig. 2 is a schematic view showing a detailed structure of the expansion member in the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of the present invention, and fig. 2 is a schematic structural diagram of an expansion member of an embodiment of the present invention.

An auxiliary reductor for fracture comprises a guide needle 1 and an expansion device 2. Wherein, one end of the guide pin 1 is a handheld end 3, and the other end is an insertion end 4. The expansion device 2 comprises an expansion piece 5 and a driving part for driving the expansion piece 5 to expand and contract, wherein the expansion piece 5 is fixedly arranged on the guide pin 1, and the driving part is arranged at the handheld end 3.

In this embodiment, the inflation member 5 includes a balloon, and the balloon is sleeved outside the guide pin 1. The drive division includes air pump 6 and trachea 7, and trachea 7 sets up on guide pin 1 along 1 length direction of guide pin, and fixed the attaching, and air pump 6 passes through trachea 7 and air bag connection.

Illustratively, when the device is used for fracture auxiliary reduction, a guide pin 1 is firstly sent into a marrow cavity at the far fracture end under C-arm perspective monitoring, then an expansion piece 5 is moved to a broken bone part needing reduction under C-arm perspective monitoring by using the guide pin 1, then an operator inflates the expansion piece 5 by operating an air pump 6, the expansion piece 5 gradually expands, the gradually filled disease is attached to the inside of the marrow cavity in the expansion process, the broken bone can be reset and moved at the moment, after the C-arm perspective has satisfactory reduction effect, the operator keeps reduction outside the body, withdraws from the restorer to perform marrow expanding operation, after the marrow is expanded to the target diameter, the expansion piece 5 is again sent to the bone broken end through the guide pin 1, and then performs the inflation reduction process after the marrow expanding again, and after the C-arm perspective reduction has satisfactory effect, the restorer is withdrawn and is placed into an intramedullary nail through the guide pin 1. The whole operation is simple and convenient, the auxiliary effect is very convenient for the operator to reset the fracture, and the practicability is higher.

More preferably, in this embodiment, in order to facilitate the daily maintenance of device to and accomodate and place, drive portion overall structure sets up for the dismantlement formula of being convenient for, and wherein, trachea 7 one end is connected with the gasbag, and the other end is connected with the quick-operation joint, and air pump 6 is connected with the quick-operation joint.

More preferably, in this embodiment, the outer portion of the airbag is wrapped with a hard glue layer. The setting of ebonite layer is convenient for expand 5's whole design, makes the inflation process of expanding 5 can be more steady to improve use, the operating stability of this device, its practicality is stronger.

More preferably, in the present embodiment, a metal developing strip is fixedly provided in the swelling member 5. The metal developing strip can be developed during C-arm fluoroscopy, an operator can perform fracture reduction operation through the developing condition, the restorer can be reset for multiple times before and after reaming, poor fracture reduction caused by eccentric imbedding of the intramedullary nail due to non-reduction or unsatisfactory resetting conditions during eccentric reaming is avoided, and the intramedullary nail can be smoothly imbedded after reaming by re-expansion and reduction.

Preferably, in order to optimize the overall developing effect, the metal developing strip is arranged in a sheet shape and is positioned in the middle of the air bag.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. An auxiliary reductor for fracture is characterized by comprising a guide pin and an expansion device;

2. The auxiliary repositor for bone fracture according to claim 1, wherein the expansion member comprises a balloon sleeved outside the guide pin;

3. The auxiliary repositor for bone fracture according to claim 2, wherein one end of said trachea is connected to said air bag, and the other end is connected to a quick connector, and said air pump is connected to said quick connector.

4. The auxiliary repositor for bone fracture according to claim 2, wherein the balloon is externally wrapped with a layer of hard gelatin.

5. The auxiliary reduction device for bone fracture as claimed in claim 1, wherein a metal developing strip is fixedly arranged in the expansion member.

6. The auxiliary repositor for bone fracture according to claim 5 wherein said metal strips are provided in the form of a sheet.

7. The auxiliary repositor for bone fracture according to claim 5 wherein the metal visualization strip is located in the middle of the balloon.