Wrinkled band without air expansion tube and its manufacturing method
First Claim
1. A method of manufacturing a wrinkled band, wherein the outer peripheral rim of an overlapped adhesion sheet is adhered and simultaneously an adhesion line having an air passage is formed with certain regularity in the inner side face thereof, another adhesion line forms a respective vent hole and secures an inner space in-between, and above and below the secured inner space a connection adhesion band 5 with an elastic band 6 connected thereto is adhered by an outer peripheral line, with the elastic band being stretched.
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Accused Products
Abstract
The present invention relates to a belt-type wrinkled band used for healing a hernia of intervertebral disk or protection the intervertebral disk. In particular, the expansion and contraction by air-injection can be achieved, without using a rubber tube for the contraction and expansion.
10 Citations
11 Claims
- 1. A method of manufacturing a wrinkled band, wherein the outer peripheral rim of an overlapped adhesion sheet is adhered and simultaneously an adhesion line having an air passage is formed with certain regularity in the inner side face thereof, another adhesion line forms a respective vent hole and secures an inner space in-between, and above and below the secured inner space a connection adhesion band 5 with an elastic band 6 connected thereto is adhered by an outer peripheral line, with the elastic band being stretched.
- 7. A wrinkled band, wherein a protective pad wing 16 for dispersing pressure is seal-adhered by a rim sleeve 15 to the upper and lower portion of the inner side face of the wrinkled band.
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11. A wrinkled band, wherein a cut portion 14 is formed in the upper edge of the wrinkled band in order to secure a space in the area, which is to be expanded when air-injected, and the upper ends of the cut portion 14 are contacted and seal-adhered by a rim sleeve 15 to thereby form a margin.
Specification