Customized telescopic mechanical rib device

A stretchable and ribbed technology, applied in the field of medical devices, can solve the problems of acidic degradation products, low shear strength, and easy sinus tracts, etc., and achieve the effects of large-scale promotion and application, low cost, and strong practicability

Pending Publication Date: 2020-09-15
江苏捷生凯尔医学增材制造研究院有限公司
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Problems solved by technology

But there are also the following disadvantages: (1) its degradation rate is faster than the healing time, and it is easy to produce sinus and body fluid; (2) the degradation product is acidic, resulting in aseptic inflammation in the implant environment; (3) the elastic modulus Quantity, bending stre...

Method used

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  • Customized telescopic mechanical rib device
  • Customized telescopic mechanical rib device
  • Customized telescopic mechanical rib device

Examples

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Embodiment 1

[0020] Embodiment 1: see Figure 1-Figure 3 , a customized stretchable mechanical rib device, the device includes a rib end 1, a sternal end 2, and a joint 3, and the joint is arranged between the rib end 1 and the sternal end 2. The overall structure of the device is compact and ingenious in design, accurate in positioning, short in operation time, and quick in postoperative recovery. The device has many models and is suitable for patients of different ages and types. Moreover, each fixation device is reconstructed according to the preoperative CT, and the 3D printing is used to establish the model and then manufactured, which varies from person to person. Since the 3D printing technology is used to build the model in this technical solution, the device is more consistent with the fixation of the broken ribs. Moreover, the radian of the fixator conforms to the normal physiological curve. More importantly, the device can move with the breathing movement, and can be changed ...

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Abstract

The invention relates to a customized telescopic mechanical rib device. The device comprises a rib end, a sternum end and a connecting part; and the connecting part is arranged between the rib end andthe sternum end. According to the technical scheme, the radian of a fixing device is established according to the radian of symmetrical ribs on the opposite sides before an operation and conforms toa physiological curve of growth and development. According to the technical scheme, the length, the rib end diameter and the like of each part are all established according to a 3D printing model before an operation, and the matching degree with child patients of different ages is very good. The fixing device in the technical scheme is suitable for a single comminuted rib fracture, is suitable forfracture of a plurality of ribs, and is suitable for a patient with partial absence of a plurality of ribs.

Description

technical field [0001] The invention relates to a rib device, in particular to a customized stretchable mechanical rib device, which belongs to the technical field of medical devices. Background technique [0002] The lack of chest wall threatens the life of the patient and affects the quality of life. Common reasons for the absence of the chest wall: congenital absence of the chest wall; absence of the chest wall after tumor resection; comminuted and multiple rib fractures. The usual practice is to implant a bone plate to fix the broken rib or fix it to the sternum. The ribs after fixed connection are easily affected by external force, causing the connected ribs to be squeezed and deformed in the direction perpendicular to the thorax or twisted in the direction parallel to the thorax. Flail chest can cause chest wall floating, resulting in abnormal breathing, hypoxemia, and respiratory failure. Rib fractures destroy the balance of the chest wall, produce severe local pai...

Claims

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Application Information

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IPC IPC(8): A61B17/68
CPCA61B17/68
Inventor 孙剑陈亦江于强杨玉忠郑毓磊
Owner 江苏捷生凯尔医学增材制造研究院有限公司
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