CN204618490U - Magnetic-type artificial vacation refers to - Google Patents

Abstract

This utility model relates to a kind of magnetic-type artificial vacation and refers to, belong to medical instruments field, the vacation being applicable to Finger defect patient refers to that molding is performed the operation.This magnetic-type artificial vacation refers to comprise magnet (1), catch (2), vacation refer to body (3), magnetic envelope rivet nut (4), connector (5), plantation nail (6).Magnetic-type artificial vacation of the present utility model refers to be convenient to adopt staging operation, reduces the stimulation to skin, make operation technique convenient and be more conducive to that vacation refers to fixing, be easy to patients ' recovery.

Description

Magnetic artificial finger

technical field

The utility model relates to a magnetic suction type artificial artificial finger, which belongs to the field of medical equipment and is suitable for forming the artificial finger of a patient with finger defect.

Background technique

Hand trauma is one of the common traumas in our country. According to statistics, hand trauma accounts for more than 20% of the total number of surgical emergencies and 40% of the total number of orthopedic emergencies. Among them, the fingers are completely or incompletely missing the majority. In the process of man-machine operation in current industrial production, it is inevitable to cause traumatic damage to fingers, resulting in a decrease in production capacity and serious inconvenience to life. How to reduce the morbidity rate of these patients, improve their quality of life, and make them not disabled after being injured, has become a health issue of common concern to the society. In the past, the method of finger repair and reconstruction used to deepen the tiger's mouth, skin tube transplantation and bone grafting, stump lifting and lengthening, finger transposition, toe transplantation and other surgical methods. In the 1960s, with the development of microsurgery, hand function reconstruction Some remarkable achievements have been made in the field, especially in recent years, with the improvement of material life and spiritual life, as well as the improvement of medical conditions and technology, patients with finger defects have put forward higher requirements for the repair and reconstruction of missing fingers. Doctors in surgery, plastic surgery and microsurgery are also constantly exploring and trying various new technologies, methods and materials. Inspired by the Branemark dental implant method, the basic data of the metacarpal and phalanx bones of Chinese people were obtained through autopsy and CT three-dimensional imaging technology. After it forms a firm combination with the residual finger, use computer rapid prototyping and 3D printing technology to prepare a personalized silicone finger that is symmetrical to the healthy finger for the patient. The defect is repaired, and finally an implant-style prosthesis with beautiful appearance and certain functions is formed. This implant-type finger prosthesis technology can not only solve the shape problem of single or multiple finger defects, but also restore the function of the hand to a certain extent, and has the existence of deep proprioception, which overcomes the traditional finger especially Reconstruction of multi-finger defects has the disadvantage of high cost, solves the difficult problem of repairing multi-finger defects, and has advantages that cannot be compared with traditional artificial fingers. It has broad application prospects and can produce good social and economic benefits at the same time.

Utility model content

The purpose of this utility model is: to provide a magnetic suction type artificial finger with a new structure that can solve the shape problem of finger defect and restore the function of the hand to a certain extent.

In order to achieve the above purpose, the utility model provides a magnetic artificial artificial finger, including a magnet, a blocking piece, a false finger body, a magnetic sealing nail body, a connecting body, and a planting nail, wherein: the magnet is cylindrical, and the blocking piece is cylindrical Flake shape, the left end of the prosthetic finger is oblong, and gradually becomes larger towards the right, and remains the same size when it reaches the middle and rear end. The prosthetic finger has two symmetrical grooves up and down, which are used to prevent the silicone from coming out when the silicone is wrapped. The round hole It is connected with the round hole and used in conjunction with the magnet and the baffle respectively. The hollow cavity is a hexagonal hole and matches the hexagon outside the left end of the connecting body. The outside of the left end of the magnetic seal body is octagonal. The tail is a regular thread, which is used to screw in the planting nail. The left end of the connector has an outer hexagon, the right end has an outer hexagon, and the inside of the connector is a round hole. There are regular threads in the nail hole and the nail body, and a cutting edge is formed at the right end.

Preferably, the left end of the magnetic seal body is sequentially loaded with a magnet and a stopper, and the threaded shaft at the right end is screwed into the implant nail to connect the connecting body and the implant nail.

Preferably, the left end of the implant nail has an inner hexagonal nail-holding hole, and the inner hexagonal nail-holding hole cooperates with the outer hexagonal right end of the connecting body to prevent relative rotation. to fix.

The utility model has the following advantages:

The utility model adopts the principle of magnetic attraction, so that the false finger is more convenient to be disassembled and assembled.

The utility model adopts staged operation, reduces the stimulation to the skin, makes the operation convenient, is more conducive to the fixation of the false finger, and is easy for the patient to recover.

The utility model adopts 3D printing technology, and the silicone fake finger is closer to the healthy finger.

The silicone prosthetic finger of the utility model forms a detachable connection with the implant, repairs the defect of the post-traumatic finger, and finally forms the implant-style prosthetic finger with a certain function and has a more beautiful appearance.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

Fig. 2 is a structural diagram of the magnet 1 of the present invention.

FIG. 3 is a structural diagram of the blocking plate 2 of the present invention.

Fig. 4 is a front view of the prosthetic finger 3 of the present invention.

Fig. 5 is a left view of the prosthetic finger 3 of the present invention.

Fig. 6 is the front view of the magnetic sealing body 4 of the present invention

Fig. 7 is a left side view of the magnetic sealing body 4 of the present invention.

Fig. 8 is a front view of the connecting body 5 of the present invention.

Fig. 9 is a left view of the connecting body 5 of the present invention.

Fig. 10 is a front view of the planting nail 6 of the present invention.

Fig. 11 is a left view of the planting nail 6 of the present utility model

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

1 to 11, according to a preferred embodiment of the utility model, the magnetic artificial artificial finger includes a magnet 1, a blocking piece 2, a false finger body 3, a magnetic seal body 4, a connecting body 5, an implant Nail 6. The magnet 1 is cylindrical, the blocking plate 2 is thin cylindrical, the left end 7 of the false finger body 3 is oblong, and gradually becomes larger toward the right, and the same size remains unchanged when reaching the middle and rear end 9, and the false finger body 3 is divided into two upper and lower parts. Symmetrical groove 8 is used to prevent silicone gel from coming out when wrapping silica gel. The round hole 10 is connected with the round hole 11, which is used in conjunction with the magnet 1 and the stopper 2 in turn. Coordinated, the outer side 13 of the left end of the magnetic sealing nail body 4 is octagonal, the inside 14, 15 of the left end forms a stepped hole, and the tail portion 16 of the right end is a regular thread for screwing in the implant nail 6. The left end of the connecting body 5 has an outer hexagon 17, and the right end has a Outer hexagonal 18, connecting body 5 inside is circular hole 19 and 20, and planting nail 6 is regular thread 21 outside the nail, and the left end has inner hexagonal nail hole 22 and regular thread 23 in the nail body, and cutting edge 24 is arranged at the right end.

Magnetic seal body 4: the left end is sequentially loaded with magnet 1 and stopper 2, and the screwed shaft at the right end is screwed into the implant nail 6 to achieve the effect of connecting the connecting body 5 and the implant nail 6.

Planting nail 6: the left end has the inner hexagonal nail holding hole 22, the inner hexagonal nail holding hole cooperates with the outer hexagonal 18 on the right end of the connecting body 5 to prevent rotation, and the outer regular thread is screwed into the bone marrow cavity of the severed finger to play a fixed role.

When assembling, put the magnet 1 into the dummy body 3, then put the stopper 2 into the dummy body 3, laser weld, trim and smooth the end surface, put the magnet 1 into the magnetic seal body 4, the direction of the magnet is the same as that of the dummy body 3 The directions of the magnets in the magnet should attract each other, the blocking piece 2 is put into the magnetic seal body 4, laser welded, and the end surface is smoothed.

For the above-mentioned specific embodiment of the magnetic artificial artificial finger, the artificial finger forming operation can be completed through the following three-stage steps:

Step 1: Expose the stump phalanx through an incision on the stump of the finger. After the medullary cavity is reamed and tapped to form an implantation cavity, the implantation nail 6 is implanted. After the incision is closed, the fixation period is three months;

Step 2: Insert the connector 5 into the original incision, then put the magnet 1 and the stopper 2 into the left end of the magnetic seal body 4 in turn, and put the component magnet 1, stopper 2 and magnetic seal body 4 into the connection Body 5 and screwed into the planting nail 6;

Step 3: Finally, install the prosthetic finger trunk and silicone part prepared according to the individuality of the patient.

Claims (3)

1. Magnetic suction type artificial artificial finger, it is characterized in that, comprises magnet (1), stop piece (2), false finger body (3), magnetic sealing nail body (4), connecting body (5), planting nail (6) ),in: The magnet (1) is cylindrical; The baffle (2) is in the shape of a cylindrical sheet; The left end (7) of the false finger body (3) is oblong, and gradually becomes larger toward the right, and keeps the same size when it reaches the middle rear end (9). The false finger body (3) has two vertically symmetrical grooves (8) , used to prevent silica gel from coming out when wrapping silica gel. The round hole (10) is connected with the round hole (11) and used in conjunction with the magnet (1) and the stopper (2) respectively. The hollow cavity (12) is a hexagonal hole and is connected with the round hole (11). The outer hexagon (17) of the left end of the connecting body (5) matches; The outer side (13) of the left end of the magnetic seal body (4) is octagonal, the inside of the left end is formed with stepped holes (14), (15), and the tail (16) of the right end is a regular thread for screwing in the implant nail (6); There are outer hexagons (17) on the left end of the connector (5), and outer hexagons (18) on the right end, and the inside of the connector (5) are circular holes (19) and (20); The outer periphery of the implant nail (6) is formed with regular threads (21), and the left end is formed with an inner hexagonal nail holding hole (22) and regular threads (23) inside the nail, and the right end is formed with a cutting edge (24). 2. The magnetic suction type artificial finger according to claim 1, characterized in that: the left end of the magnetic seal body (4) is sequentially loaded with the magnet (1) and the retaining piece (2), and the right end is screwed into the shaft with threads The planting nail (6) is used to connect the connecting body (5) and the planting nail (6). 3. The magnetic suction type artificial finger according to claim 1, characterized in that: the left end of the planting nail (6) has an inner hexagonal nail-holding hole (22), an inner hexagonal nail-holding hole and an outer hexagonal right end of the connecting body (5) (18) Cooperate, to prevent relative rotation, the regular thread on the outer periphery of the nail of the planting nail (6) is screwed into the bone marrow cavity of the severed finger for fixation.