Adjustable seal system, seal component and method for using the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-002/78
A61F-002/80
A61F-002/50
A61F-002/30
출원번호
US-0541661
(2014-11-14)
등록번호
US-9603726
(2017-03-28)
발명자
/ 주소
Egilsson, Egill Sveinbjorn
Sandahl, David
Asgrimsdottir, Unnur Osp
Birgisdottir, Linda Ros
Bache, Andrew
Jonsson, Grimur
Hringsdottir, Hogna
출원인 / 주소
OSSUR HF
대리인 / 주소
Workman Nydegger
인용정보
피인용 횟수 :
2인용 특허 :
87
초록▼
An adjustable seal system, seal component for use in the system, and method are provided for forming a sealing interface between a residual limb and a prosthetic socket. The seal component is selectively placed over the outer surface of a suspension liner including a plurality of seal bands, which t
An adjustable seal system, seal component for use in the system, and method are provided for forming a sealing interface between a residual limb and a prosthetic socket. The seal component is selectively placed over the outer surface of a suspension liner including a plurality of seal bands, which the seal component may removably and securely engage.
대표청구항▼
1. An adjustable seal system for providing an interface between a residual limb and a prosthetic socket, comprising: a liner having a liner body forming an axis (A-A) and having an outer surface, the outer surface including a plurality of seal bands located along the height of the liner body and an
1. An adjustable seal system for providing an interface between a residual limb and a prosthetic socket, comprising: a liner having a liner body forming an axis (A-A) and having an outer surface, the outer surface including a plurality of seal bands located along the height of the liner body and an outer surface of the liner body;a seal component having open upper and lower ends defining an opening therethrough and an internal surface, the seal component having an axis (C-C) arranged concentric with the axis (A-A) of the liner body, the internal surface arranged to frictionally engage at least one of the plurality of seal bands and secure on the outer surface of the liner body; anda sleeve secured to the upper end of the seal component and arranged to radially compress against the outer surface of the liner, the sleeve formed from a material different from the seal component;wherein the seal component includes a seal located below an upper portion and above a lower portion and having a seal lip at a radially outermost portion spaced by a clearance from the upper portion. 2. The adjustable seal system of claim 1, wherein the sleeve is formed from a textile and the seal component is formed from a polymeric material. 3. The adjustable seal system of claim 1, wherein the sleeve is more flexible and elastic than the seal component such that the sleeve retracts to an original size upon release of tension of the sleeve. 4. The adjustable seal system of claim 1, wherein the sleeve has a diameter less than a diameter of the liner body at a distal portion such that the sleeve stretches over and is tensioned when selectively placed over the outer surface of the liner body. 5. The adjustable seal system of claim 1, wherein the seal component defines a body defining an internal surface arranged to span a distance between at least two seal bands and engage therewith. 6. The adjustable seal system of claim 1, wherein the seal component has a lower portion defining a curvature and an upper portion having a substantially uniform diameter along its height, the lower portion having a decreasing diameter toward the lower end. 7. The adjustable seal system of claim 1, wherein the sleeve includes a main portion having a first elasticity, and a top band located at an upper end of the main portion and having a second elasticity. 8. The adjustable seal system of claim 1, wherein the at least one seal band is formed from a polymeric material and the outer surface of the liner body is defined by a textile cover, the at least one seal band extends through the textile cover and interlocks therewith. 9. The adjustable seal system of claim 1, wherein locating indicia is provided between each of the seal bands. 10. An adjustable seal system for providing an interface between a residual limb and a prosthetic socket, comprising: a liner having a liner body forming an axis (A-A) and having an outer surface, the outer surface including a plurality of seal bands located along the height of the liner body and an outer surface of the liner body;a seal component having open upper and lower ends defining an opening therethrough and an internal surface, the seal component having an axis (C-C) arranged concentric with the axis (A-A) of the liner body, the internal surface arranged to frictionally engage at least one of the plurality of seal bands and secure on the outer surface of the liner body; anda sleeve secured to the upper end of the seal component and arranged to radially compress against the outer surface of the liner, the sleeve formed from a material different from the seal component;wherein the seal component includes a seal located below an upper portion and above a lower portion, the upper portion is generally concentric with the liner body and the seal protrudes radially outwardly from the axis (C-C) relative to the upper portion, the seal having a seal lip at a radially outermost portion arranged generally concentric with the upper portion. 11. The adjustable seal system of claim 10, wherein the seal has a lower segment extending outwardly from the lower portion to the seal lip. 12. The adjustable seal system of claim 11, wherein the seal has an upper segment extending inwardly from the seal lip toward the upper portion, a clearance is defined between the upper portion and the upper segment such that the seal is arranged to be compressed against the upper portion. 13. The adjustable seal system of claim 12, wherein the seal defines a flap extending from the upper segment, the flap arranged generally parallel with the upper portion and is spaced from the upper portion by the clearance. 14. An adjustable seal system for providing an interface between a residual limb and a prosthetic socket, comprising: a liner having a liner body forming an axis (A-A) and having an outer surface, the outer surface including a plurality of seal bands located along the height of the liner body and an outer surface of the liner body;a seal component having open upper and lower ends defining an opening therethrough and an internal surface, the seal component having an axis (C-C) arranged concentric with the axis (A-A) of the liner body, the internal surface arranged to frictionally engage at least one of the plurality of seal bands and secure on the outer surface of the liner body; anda sleeve secured to the upper end of the seal component and arranged to radially compress against the outer surface of the liner, the sleeve formed from a material different from the seal component;wherein the seal component includes a seal located below an upper portion and above lower portion, the seal having a lower segment extending outwardly from the lower portion to a seal lip at a radially outermost portion and at least one radial seal projecting outwardly from the lower segment.
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