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Hydrogel soft tissue dilator and preparation method thereof

A dilator and soft tissue technology, which is applied in dental prosthetics, dentistry, dental implants, etc., can solve the problems of large initial tension and implantation difficulties, and achieve the effect of reducing the incidence of complications of soft tissue dehiscence

Active Publication Date: 2021-10-01
ZHEJIANG PROVINCIAL PEOPLES HOSPITAL
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This design requires a large area of ​​tissue stripping and flap surgery, and at the same time, it is difficult to implant in a relatively narrow surgical area (such as a single anterior tooth defect site), and still has a large initial tension

Method used

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  • Hydrogel soft tissue dilator and preparation method thereof
  • Hydrogel soft tissue dilator and preparation method thereof
  • Hydrogel soft tissue dilator and preparation method thereof

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] see Figure 1-Figure 4 , the present invention provides a technical solution:

[0027] see figure 1 , a hydrogel soft tissue expander, the overall shape of the soft tissue expander is a square sheet-like structure with a thickness of one millimeter, the inner ring of the soft tissue expander is provided with a circular self-swelling hydrogel area, and the free area around the soft tissue expander is The non-swellable polymer domains, the self-swellabl...

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Abstract

The invention relates to the technical field of medical equipment, and in particular, relates to a hydrogel soft tissue dilator and a preparation method thereof. The overall modeling of the soft tissue dilator is of a square sheet-shaped structure with the thickness being one millimeter, and a circular self-swelling hydrogel area is arranged on the inner ring of the soft tissue dilator; and the unoccupied part on the periphery of the soft tissue dilator is an unswellable high polymer material area, and the self-swelling hydrogel area and the high polymer material area are cross-linked through photocuring. The hydrogel soft tissue dilator can be implanted under the periosteum or the mucous membrane in a minimally invasive, flap-free and small-tension mode. In the implanting process, continuous swelling is achieved, tension is generated on the soft tissue, the total amount of the soft tissue is induced to be increased within several weeks, and the occurrence rate of soft tissue dehiscence complications in the later-period large-range bone grafting operation is reduced.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a hydrogel soft tissue expander and a preparation method thereof. Background technique [0002] Periodontal disease is one of the common dental diseases in our country. Its main feature is that it can cause progressive periodontal tissue destruction, eventually leading to tooth loss. The alveolar bone at the edentulous site will undergo continuous bone resorption within three months, resulting in the loss of the alveolar ridge horizontally and vertically. In the case of severe atrophy of the alveolar ridge, bone augmentation surgery must be performed before implant placement to obtain enough space for implant placement. However, bone augmentation surgery, especially vertical bone augmentation surgery and large-scale bone augmentation surgery, has many complications, the most important of which is soft tissue dehiscence. Soft tissue dehiscence can result in exposure o...

Claims

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Application Information

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IPC IPC(8): A61C19/06A61C8/00C08F290/06C08F220/20C08F220/58
CPCA61C19/06A61C8/0089C08F290/062C08F220/20C08F220/585
Inventor 赵骞杨帆罗云潇倪楚君王林红
Owner ZHEJIANG PROVINCIAL PEOPLES HOSPITAL
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