TWI504374B - Bone connection material - Google Patents

Description

Bone connector

The present invention relates to a bone connecting material and a method of manufacturing the same, and more particularly to a bone connecting material made by weaving a fiber.

At present, in the surgical operation, as a joint for joining teeth, skull, facial forehead and limb fractures, most of the items are bone nails, bone plates and the like to join the affected part. Since the patient's body is active, stress is generated on the bone nails and bone plates which are used as joints. Therefore, bone nails and bone plates are usually made of materials such as titanium metal and steel.

In addition, after the bone nails and bone plates made of materials such as titanium and steel are placed in the joints of the patients, due to the hard and non-elastic properties of the materials, it is inevitable that there will be movement obstacles in the joints of the patients. . Moreover, it is also known that there is a bone connecting material made of Polyatic Acid, which has the disadvantage that the material property is brittle, and it is easy to be brittle when subjected to force, and is not suitable for the part to be frequently operated as a connecting member for assisting positioning. .

In view of this, the inventor has invested a lot of research and development energy and spirit, and has continuously made breakthroughs and innovations in this field. He hopes to solve the shortcomings of the application with novel technical means, in addition to bringing more good products to the society and promoting industrial development.

In view of the above problems, the present invention provides a bone connecting material comprising an inner portion Floor. The inner layer is composed of a plurality of fiber filaments. The inner layer woven with fiber yarn resists the lateral shear force and is flexible. It can be used in a wide range of applications. Therefore, it is more suitable for the frequently used parts than the traditional steel material. Compared with the traditional metal material, it is less likely to be repelled by the human body.

Further, the present invention may further comprise a coating layer covering the filaments of the inner layer.

Preferably, the coating layer is a thermoplastic resin or a thermosetting resin, which enhances the flexibility.

Preferably, the coating layer further comprises collagen, hydroxyapatite (HA, Hydroxylapatite) or tricalcium phosphate (TCP). Through the interaction of these materials with the internal tissues, the rate of bone growth recovery can be increased.

Preferably, the fiber filaments may be glass fiber materials, bioactive materials or bio-inert materials. It can be selected according to the position and characteristics of the connecting aggregate, and according to the desired shape, it has better ability than the traditional one for the healing aid of the aggregate.

Preferably, the inner layer can be a bone nail shape, a bone plate shape or a root column shape. It can be used in accordance with the current technology.

In order to enable those skilled in the relevant art to further understand the related structure of the present invention, the embodiments of the present invention will be described in detail below with reference to the drawings and the components.

1‧‧‧Bone joints

10‧‧‧ inner layer

11‧‧‧Fiber

111‧‧‧ core layer

112‧‧‧ shell

20‧‧‧Cladding

21‧‧‧ Additives

1 is an enlarged schematic view showing a side surface and a top surface of a screw which is woven into an embodiment of the present invention; 2 is a schematic perspective view of a woven osteosynthesis plate according to an embodiment of the present invention; FIG. 3 is a schematic plan view of a woven bone forming body according to an embodiment of the present invention; and FIG. 4 is a plan view of a woven bar type according to an embodiment of the present invention; 5 is a schematic side view of a screw woven into an internal thread according to an embodiment of the present invention; FIG. 6 is a schematic cross-sectional view of a screw woven into an internal thread according to an embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 8 is a schematic view showing a top view of a screw and a screw according to an embodiment of the present invention; and FIG. 9 is a fiber filament used in an embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 11 is a schematic cross-sectional view of a multi-layer fiber filament according to an embodiment of the present invention; FIG. 12 is a schematic perspective view of a multi-layer fiber filament according to an embodiment of the present invention; A schematic cross-sectional view of a multi-layer fiber filament according to an embodiment of the present invention;

This embodiment is a bone connecting material. However, in order to enable those skilled in the art to directly and unambiguously understand the present embodiment, the relevant composition of the bone connecting material will be described below, and the fiber which can be applied to the present embodiment will be described. Material or type.

Please refer to the bone connecting material 1 of the embodiment shown in FIG. 1 , which comprises an inner layer 10 and a cladding layer 20 , wherein the inner layer 10 is preset by knitting a plurality of filaments 11 The cover layer 20 covers the filaments 11 of the inner layer 10 corresponding to the pattern of the bone connecting material. Since the plurality of filaments 11 are woven, the force of the filaments 11 can be gathered to form a material that is not easily broken and flexible, and is suitable for the connection of aggregates or the skeleton of stem cells. Among them, in the actual operation In the process, the inner layer 10 can be woven by using the filament 11 alone, and the inner layer 10 is in the form of a bone connecting material.

Moreover, with the arrangement of the coating layer 20, the bone connecting material can be more widely used. The coating layer 20 may be a thermoplastic resin or a thermosetting resin or a biodegradable resin, or may further include an additive 21, as shown in FIG. 8, for example, collagen, hydroxyapatite (HA, Hydroxylapatite) or tricalcium phosphate (TCP, Tricalcium phosphate) and other materials. Hydroxyapatite is the main component of human bone tissue. After being implanted in the body, calcium and phosphorus will be freed from the surface of the material and absorbed by the body tissue, and new tissue will grow. In general, the body itself produces related or similar elements such as hydroxyapatite for basic reconstruction of bones, but the length of time depends on each body. The inventive cladding layer may include such materials for bone reconstruction, thereby providing the body for reconstruction use and having the effect of assisting in accelerating recovery, which is quite convenient.

In addition, the fiber filaments 11 may be glass fiber materials, ceramic fiber materials, bioactive materials or biological inert materials, and may be arranged as needed.

Further, the inner layer 10 may be in the form of a bone nail as in Fig. 1 or a bone plate shape (for connection) as shown in Figs. 2 to 4 or a bone nail shape as in Figs. 5 to 7 . The embodiments of the prior art are all examples that can be made in the present embodiment. Of course, such devices as bone nails, bone connecting pieces/blocks, root implants, etc. can also be implemented through the present embodiment. Weaved by example. In addition, there are several ways of weaving, for example, a knitting method in which one of the filaments is the main axis and the other filaments are wound; or two or three filaments are intertwined with each other to approximate the knitting manner of the twisted rope; Or the woven fiber yarn is re-woven with other woven or unwoven fiber yarns; the foregoing manners are all woven as described in the embodiment, but there are still many ways of weaving that cannot be described in this description. The book recites one by one, regardless of the type of weaving, which is the "weaving" described in the scope of the invention, which is described first.

Further, the configuration of the filaments 11 can be formed by drawing a single material, that is, a partial schematic view as shown in Fig. 9. The structure shown in FIG. 10 and FIG. 11 may be a multi-layer fiber comprising a core layer 111 and a shell layer 112, and the core layer 111 is composed of a core layer 111 X-ray opaque bioinert material, the shell layer 112 is coated on the side edge of the core layer 111, and is made of bioactive glass fiber, bioactive ceramic fiber, hydroxyapatite Made of stone (HA, Hydroxylapatite) or tricalcium phosphate (TCP, Tricalcium phosphate). Or a fiber filament having two shell layers 112 as shown in Figs. 12 and 13 is one of the fiber filaments which can be used in the present embodiment. By using the multi-layer structure and the material of the bone connecting material, the material of the shell layer 112 can assist the growth of the bone, and is left in the body without causing adverse effects, so that no additional knife removal is required. Moreover, this is not made of titanium metal or steel, that is, it does not cause allergic reactions in patients, and the traditional bone connector cannot be placed in the human body for a long time. Therefore, the recovery state of the affected part reaches a certain degree. At the time, the physician must perform a so-called second operation on the patient and remove the joints from the patient. In this way, the patient will once again face the risk of anesthesia during surgery and the risk of suffering from postoperative infection, which imposes a burden on the patient's economy, physiology and psychology, but this embodiment can be applied to the installation. The part is designed, and the material that is placed in the body (that is, the multi-layer fiber filament as described above) can be used without the need for secondary surgery to reduce the burden on the patient.

The invention eliminates the lack of the use, and the effect is improved, and the invention meets the requirements of the invention patent. It should be noted that the above is a specific embodiment of the present invention and the technical principles applied thereto, and if the changes made in accordance with the concept of the present invention, the functional effects thereof still do not exceed the specification and the drawings. The spirit of the invention should be incorporated into Chen Ming within the scope of the present invention.

1‧‧‧Bone joints

10‧‧‧ inner layer

11‧‧‧Fiber

20‧‧‧Cladding

Claims (4)

A bone connecting material comprising: an inner layer composed of a plurality of fiber woven fabrics; and a coating layer for coating the filaments of the inner layer, wherein the single strip of the filaments comprises : a core layer made of X-ray Opacity Bioinert material; a shell layer coated on the side edge of the core layer. The bone connecting material according to claim 1, wherein the covering layer is a thermosetting resin or a thermoplastic resin. The bone connector of claim 2, wherein the coating further comprises collagen, hydroxyapatite (HA, Hydroxylapatite) or tricalcium phosphate (TCP). The bone connector of claim 1, wherein the shell layer is made of hydroxyapatite (HA, Hydroxylapatite) or tricalcium phosphate (TCP).