TWI741334B - Limit joint - Google Patents

Abstract

This creation is a kind of limit joint, which includes a bearing seat and a set of connecting parts. The bearing seat includes a rod body, a seat body and a convex part. The groove is formed inside the seat body, the movable opening is formed on the edge of the seat body, the convex part is arranged on the seat body and is located in the accommodating groove, the assembly is assembled on the seat body and includes a set of connecting parts and a rod part, the assembly part is slidable The relocation assembly is arranged in the receiving groove and has a limiting groove, the limiting groove can accommodate the convex part, the rod is arranged in the assembly part and has a notch, the notch can correspondingly buckle the movable opening, the limit joint of this creation With the bearing base and the assembly parts, the limit joint can be rotated and bent, the assembly part slides along the limit groove, and the notch and the movable opening are correspondingly buckled, which conforms to the bending of the human finger, and is actually a suitable finger joint Replacement components.

Description

Limit joint

This creation is a kind of limit joint, especially a kind of limit joint that restricts the active position and can be combined with the human body's own bones.

In the case of human joints, inflammation caused by joint degeneration is a process that joints must go through after a period of use. Joint inflammation makes people painful and uncomfortable. If joint inflammation develops to a state that cannot be overcome with painkillers and anti-inflammatory drugs, it will seriously affect In daily life, joint inflammation can be relieved by performing joint fusion surgery. Joint fusion is to fix the worn joints with steel nails, so that the joints can stably support the movement of the human body.

However, the disadvantage of joint fusion surgery is that the joints can not move the bones through the suture of steel nails. For the finger joints, the joint fusion surgery is used to treat the finger joints and relieve the pain of joint inflammation. It is to make the fingers no longer bend, which affects people's daily life. How to make the finger joints can be used as usual so that the fingers can be bent is a problem that has yet to be solved.

The main purpose of this creation is to provide a limit joint, so as to improve the pain of joint inflammation caused by the joint fusion surgery of the finger joints, which causes the problem of the fingers unable to bend.

In order to achieve the purpose of the previous disclosure, the limit joints of this creation include: A bearing seat, the bearing seat includes a rod body, a seat body and a convex part, the rod system is a member made of porous material, one end of the seat body is attached to the rod body, and the seat body has a set of interfaces , A containing groove and a movable opening, the set of interfaces is formed at the other end of the seat and opposite to the rod, the containing groove is formed inside the seat and communicates with the set of interfaces, the movable opening is formed in The edge of the seat body is connected to the set of interfaces, and the convex portion is provided on the seat body and located in the receiving groove; and A set of connecting pieces, the assembly being assembled on the base of the supporting base, the assembly comprising a set of connecting parts and a rod part, the assembly part is slidably arranged in the receiving groove of the base , The assembling part has a limiting groove, the limiting groove can accommodate the convex part, the rod is provided in the assembling part and the rod is a member made of porous material, the rod has a concave The notch can correspondingly buckle the movable opening when the assembling part slides in the accommodating groove.

In this creation, the limit joint is assembled by the bearing seat and the assembling member. The rod body and the rod are implanted into the human finger to replace the finger joints. The rod and the rod are in the process of rotating and bending. The assembling part can slide along the direction of the limiting groove to ensure that the bending of the fingers is toward one side of the palm. The structure of the rod body and the rod part completes the direction of limiting the bending of the fingers, and the notch is used The corresponding relationship with the movable opening allows the included angle between the shaft center of the rod and the shaft center of the rod body to more simulate the bending of the human finger, so that the human finger can bend as usual.

As shown in FIGS. 1 to 3, a preferred embodiment of the creative limit joint is disclosed. As can be seen from the drawings, the creative limit joint includes a bearing base 10 and a set of connecting members 20.

The bearing seat 10 includes a rod body 11, a seat body 12, and a protrusion 13. The rod body 11 is a member made of porous material. The seat body 12 is attached to the rod body 11 and has an opposite first One end 121 and a second end 122. The first end 121 of the seat body 12 is adjacent to the rod body 11. The seat body 12 has a set of interfaces 14, a receiving groove 15 and a movable opening 16. The set of interfaces 14 Formed at the second end 122 of the seat body 12 and opposite to the rod body 11, the receiving groove 15 is formed inside the seat body 12 and communicates with the set of interfaces 14, and the movable opening 16 is formed in the seat body 12 And extend to the second end 122 to connect to the set of interfaces 14. The convex portion 13 is disposed on the seat 12 and located in the receiving groove 15, wherein, as shown in FIGS. 5 to 7, the convex portion 13 is connected to the The movable opening 16 extends upward through the bottom of the receiving groove 15 to connect to the group interface 14. The cross-sectional shape of the convex portion 13 may be a V-shaped, U-shaped, or trapezoidal shape.

The assembling member 20 is assembled on the base 12 of the supporting base 10. The assembling member 20 includes a connecting portion 21 and a rod 22. The assembling portion 21 is slidably assembled on the base 12 The accommodating groove 15, the assembly portion 21 has a limiting groove 23, the limiting groove 23 can accommodate the convex portion 13, the rod portion 22 is provided in the assembly portion 21 and the rod portion 22 is made of porous material The rod 22 has a notch 24, the notch 24 is located where the rod 22 and the assembling part 21 are connected, and the notch 24 slides in the accommodating groove 15 in the assembling part 21 When moving, the movable opening 16 can be buckled correspondingly, wherein, as shown in FIG. 5, during the sliding process of the connecting portion 21, the notch 24 will be close to or far away from the movable opening 16, and the rod 11 is opposite The rod portion 22 swings back and forth, and further, the assembly portion 21 and the base body 12 have an anti-static layer 25 at the assembly location. The anti-static layer 25 can be a ceramic coating, a titanium dioxide coating or a titanium carbide coating It is a member made of other materials, and, as shown in FIG. 8, the included angle θ between the shaft center of the rod portion 22 and the shaft center of the rod body 11 ranges from 80 to 180 degrees.

As shown in Figures 1 to 3, take the finger joints of the human body as an example. If the finger joints of the human body are broken or the finger joints are degenerated and inflamed and need to be replaced, the limit joints of this creation can be assembled and replaced with the finger joints to be replaced. If the joint between the palm and the fingers needs to be replaced, the rod 11 of the bearing seat 10 is implanted into the metacarpal body (not shown) of the human palm (not shown), so that the movable opening 16 and the notch 24 face the human body On the palm side of the hand, then the rod 22 is implanted into the phalanx body of the human finger (not shown). When the finger is about to bend, the rod 22 will drive the connecting part 21 in the receiving groove of the base 12 15 slip, because the convex portion 13 is accommodated in the limiting groove 23, the assembly portion 21 will slide along the direction of the limiting groove 23 in China. When the finger is bent to the limit, the lever The notch 24 of the part 22 will extend into the movable opening 16 of the base body 12, so that the fingers of the human body can be bent to an appropriate angle. After the limit joint of this creation is implanted in the human body for a period of time, because the rod body 11 and the rod The parts 22 are all made of porous materials. The metacarpal and phalangeal bodies of the human body extend into the porous material of the rod body 11 and the rod part 22 to reach the body's autogenous bones and limit joints of the original creation. The combination of, allows the creation of the limit joints to be more firmly implanted in the human bones.

In the above, as shown in Figure 1, Figure 2 and Figure 8, it is disclosed that the rod 11 and the rod 22 of the creative limit joint are horizontal. The axis of the rod 22 and the axis of the rod 11 The angle θ between the cores is 180 degrees, which can simulate the appearance of a human finger in a horizontal state, as shown in Figures 3 to 5, the included angle between the axis of the rod 22 and the axis of the rod 11 The angle θ is 90 degrees, which can simulate the bending state of the fingers of the human body, and the fingers of the human body can be bent to close to 80 degrees if they try their best to bend inward. Therefore, the notch 24 of the rod 22 can be used to buckle the The movable opening 16 allows the included angle θ between the shaft center of the rod portion 22 and the shaft center of the rod body 11 to be 80 degrees.

In addition, as shown in FIG. 5, during the sliding process of the assembling part 21, the arc-shaped body 25 formed by the convex part 13 in the receiving groove 15 allows the assembling part 21 to move. When slipping, make sure that the fingers are bent toward the palm of the hand to avoid strange bending angles that are not ergonomic, such as lateral bending of the fingers. As shown in Figures 6 to 8, the cross-sectional shape of the protrusion 13 It can be V-shaped, U-shaped or trapezoidal. The cross-sectional shape of the limiting groove 23 can correspond to the cross-sectional shape of the convex portion 13. The assembly portion 21 and the antistatic layer 25 of the base 12 are In order to prevent the assembling part 21 from sliding in the base 12, the friction between the assembling part 21 and the base 12 generates static electricity, which may cause unexpected risks. Therefore, the anti-static layer 25 can be improved The safety of the human body using this creation limit joint.

In addition, in addition to being applied to finger joints, the limit joint of the present creation can be used for the configuration relationship between the convex portion 13 of the bearing seat 10 and the limit groove 23 of the assembling member 20 to achieve a limit function that can limit the bending direction. It can also be applied to joint positions such as human knee joints, facial jaw joints, or animal knee joints, making the application of this creative limit joint more diversified.

In summary, the limit joint of the present creation allows the rod body 11 and the rod part 22 to rotate and bend through the configuration relationship between the protrusion 13 of the bearing seat 10 and the limit groove 23 of the assembly 20 In the process, the assembling portion 21 can slide along the direction of the limiting groove 23, and by virtue of the corresponding relationship between the notch 24 and the movable opening 16, the assembling portion 21 slides in the accommodating groove 15 , It can complete the limiting structure that limits the bending direction of the fingers, and the notch 24 and the movable opening 16 correspond to the buckle group, so that the angle θ between the axis of the rod 22 and the axis of the rod 11 can be more effective Simulates the bending of the fingers of the human body, so that the fingers of the human body can be bent as usual.

10: Bearing seat 11: Rod body 12: Seat 121: first end 122: second end 13: Convex 14: group interface 15: holding tank 16: active mouth 20: Assembly 21: Assembly Department 22: pole 23: limit slot 24: Notch 25: Anti-static layer θ: included angle

Figure 1: A schematic front view of a preferred embodiment of the limiting joint of the present invention in the erect state. Figure 2: A schematic side view of a preferred embodiment of the creative limit joint in the erect state. Figure 3: A three-dimensional schematic diagram of the bending state of a preferred embodiment of the creative limit joint. Figure 4: A schematic side view of the bending state of a preferred embodiment of the limit joint of the present creation. Fig. 5: A partial enlarged front cross-sectional schematic diagram of the first assembling state of a preferred embodiment of the limit joint of the present creation. Fig. 6: A partial enlarged front cross-sectional schematic diagram of the second assembly mode of a preferred embodiment of the creative limit joint. Fig. 7: A partial enlarged front cross-sectional schematic diagram of the third assembly mode of a preferred embodiment of the limit joint of the present creation. Figure 8: A schematic side view of the bending range of a preferred embodiment of the creative limit joint.

10: Bearing seat

11: Rod body

12: Seat

121: first end

122: second end

13: Convex

14: group interface

15: holding tank

20: Assembly

21: Assembly Department

22: pole

23: limit slot

25: Anti-static layer

Claims (9)

A limit joint, comprising: a bearing seat, the bearing seat comprising a rod body, a seat body and a convex part, the rod system is a member made of porous material, and one end of the seat body is attached to the rod body , The seat body has a set of interfaces, an accommodating groove and a movable opening, the set of interfaces is formed at the other end of the seat and opposite to the rod body, the accommodating groove is formed inside the seat and communicates with the set An interface, the movable opening is formed on the edge of the seat body and connected to the set of interfaces, the convex part is provided on the seat body and located in the receiving groove; A seat body, the assembling member includes a connecting portion and a rod portion, the assembling portion is slidably assembled in the receiving groove of the seat, the assembling portion has a limiting groove, and the limiting groove can To accommodate the convex portion, the rod portion is provided in the assembly portion and the rod portion is a member made of porous material, the rod portion has a notch, and the notch slides in the receiving groove at the assembly portion When moving, the movable opening can be buckled correspondingly, wherein, during the sliding process of the assembling part, the notch will be close to or far away from the movable opening, and the rod body will swing back and forth relative to the rod part. The limit joint according to claim 1, wherein the protrusion is connected to the movable opening and extends upward through the bottom of the receiving groove to connect to the group interface. The limit joint according to claim 1 or 2, wherein the cross-sectional shape of the convex portion can be a V-shaped, U-shaped, or trapezoidal shape. The limit joint according to claim 1 or 2, wherein the angle between the shaft center of the shaft and the shaft center of the shaft is in the range of 80 to 180 degrees. The limit joint according to claim 3, wherein the angle between the shaft center of the shaft and the shaft center of the shaft is in the range of 80 to 180 degrees. The limit joint according to claim 1 or 2, wherein the assembly portion and the seat body have an antistatic layer at the assembly position, and the antistatic layer can be ceramic coating, titanium dioxide coating or titanium carbide nitride Components made of coating. The limit joint according to claim 3, wherein the assembly portion and the seat body have an antistatic layer at the assembly position, and the antistatic layer can be ceramic coating, titanium dioxide coating or titanium carbide coating. Manufactured components. The limit joint according to claim 4, wherein the assembly portion and the seat body have an antistatic layer at the assembly position, and the antistatic layer can be ceramic coating, titanium dioxide coating or titanium carbide coating. Manufactured components. The limit joint according to claim 5, wherein the assembly portion and the seat body have an antistatic layer at the assembly position, and the antistatic layer can be ceramic coating, titanium dioxide coating or titanium carbide coating. Manufactured components.

Images