Shape memory medical splint

A splint and memory technology, which is applied in the fields of medical science, fractures, and medical equipment, can solve problems such as temperature and precise control methods, and achieve the effects of convenient operation, good air permeability, and light weight

Pending Publication Date: 2016-10-26
QINGDAO UNIV OF SCI & TECH
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Problems solved by technology

[0003] Chinese patent CN02150720.1 discloses a shape-memory bone fixation splint, which is made of shape-memory polymer material and electrothermal material. When heated to the transition temperature or above, the bone fixation splint softens and shrinks tightly around the fracture or

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Embodiment Construction

[0027] Description with reference to the accompanying drawings.

[0028] Installation and removal of shape memory medical splint

[0029] Connect the intelligent temperature control module 9 to the socket 8, turn on the power supply 10, set the upper limit of the heating temperature to 65°C, and the heating layer (heating module) 4 starts heating, and the temperature acquisition module 7 transmits the temperature signal of the shape memory layer 3 during the heating process. To the intelligent temperature control module 9, when the temperature reaches the set temperature, stop heating. The medical splint is placed on the injured limb of the patient, the shape memory layer 3 is tightened by the fabric layer 5 and the connecting structure 6 to shape it, and the foam insulation layer 2 prevents heat transfer to the gauze layer (or drug-loaded layer) 1 . After the shape-memory layer 3 is shaped, the power supply is cut off, so that the shape-memory layer is rapidly cooled below t...

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Abstract

The invention provides a medical splint with a heat-induced shape memory function, which is used for fixing fracture parts of a human body and belongs to the fields of bone fixation and polymer material processing. The medical splint includes two parts: a splint main body and a temperature control system. The temperature control system can realize the heating and temperature control of the main body of the splint, so that the shape memory layer of the splint can use the fabric layer and the connecting layer to quickly deform the shape memory splint to the best shape of the fracture site at the thermal deformation temperature, and then quickly cool and fix it , It must also be heated to the heat distortion temperature when dismantling, loosen the connection structure, and can be easily dismantled. The shape memory layer is made of environmentally friendly and non-toxic polymer materials, and the foam insulation layer is made of environmentally friendly and non-toxic physical foaming materials. The medical splint has the advantages of light weight, high strength, convenient operation, precise temperature control, and reusability.

Description

technical field [0001] The invention relates to a bone fixation or correction splint with shape memory function, which includes two parts: a splint body and a temperature control system. The splint body is mainly made of a polymer material with thermal shape memory function, and belongs to the field of polymer material processing , using its heat-induced shape memory function, when the fracture is fixed, by heating to the deformation temperature, it can shape the target shape under the constraints of the outer material to achieve the effect of fixing the fracture site. It can be reused by replacing the inner gauze or drug-loaded layer . Background technique [0002] In my country, plaster fixation is currently the most widely used in fracture fixation. The reason is that plaster bandages have the advantages of good braking stability and good effect after curing. With the continuous development of new materials, the medical polymer splints that have appeared in recent years h...

Claims

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Application Information

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IPC IPC(8): A61F5/058A61M35/00
CPCA61M35/00A61F5/05841
Inventor 高长云康菲菲孟倩倩韩林高贯如王钊董爽马季黄趾琴
Owner QINGDAO UNIV OF SCI & TECH
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