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1. WO2020118029 - DOUBLURE PROTHÉTIQUE ET SON PROCÉDÉ DE FABRICATION

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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CLAIMS

1. A method for making a liner (100) for prosthetic use, the liner (100) having an exterior surface and an inner cavity forming an interior surface of the liner (100), the method comprising the steps of:

providing a textile sleeve (102) having a first knit structure with interstices between yams of said first knit structure, the textile sleeve (102) defining an inner surface and an outer surface on an opposite side of the inner surface;

applying an uncured silicone material onto the inner surface of the textile sleeve (102) and impregnating the interstices of the first knit structure of the textile sleeve (102), the uncured silicone material arranged to cure to at least 90% crosslinking within a range of about 120 to 210 seconds;

limiting impregnation of the uncured silicone material to only the inner surface of the textile sleeve (102), the outer surface devoid of the uncured silicone material;

curing the uncured silicone material to form an inner layer (101) to the liner (100), the inner layer (101) comprising silicone;

wherein the inner layer (101) forms the interior surface of the liner (100) and the outer surface of the textile sleeve (102) forms the exterior surface of the liner (100), wherein a thickness of the liner (100) from the interior surface of the liner (100) to the inner surface of the textile sleeve (102) consists of the silicone of the inner layer (101).

2. The method of claim 1, wherein the first knit structure is of a jersey knit.

3. The method of claim 1, wherein the first knit structure includes a taslanized or air-textured yarn.

4. The method of claim 1, wherein the first knit structure has a knitting machine gauge of 16 to 26.

5. The method of claim 1, further comprising the steps of:

placing the textile sleeve (102) over a male mold and introducing a female mold about the textile sleeve (102) on the male mold.

6. The method of claim 5, further comprising the step of regulating the temperature of at least one of the male and female molds.

7. The method of claim 5, further comprising the step of molding the uncured silicone material to a shape corresponding between the male and female molds against the textile sleeve (102).

8. The method of claim 1, wherein the first knit structure has a knitting machine gauge of 16 to 26, and comprises at least one of the first knit structures consisting of jersey and pique.

9. The method of claim 1, wherein the textile sleeve (102) comprises at least one

thermofusible yam arranged to fuse within a range 105 to 150°C.

10. The method of claim 1, wherein the textile sleeve (202) includes at least one distal portion (208) forming a closed end and a matrix portion (207) extending from the at least one distal portion (208), the at least one distal portion (208) and the matrix portion (207) comprising thermofusible yams.

11. The method of claim 10, wherein the textile sleeve (202) comprising a body portion (210) extending from the matrix (207) to a proximal end (206) forming an open end to the textile sleeve (202), the body portion (210) being devoid of the thermofusible yams.

12. The method of claim 1, wherein the textile sleeve (402) comprises the first knit structure (410) having a knitting machine gauge of 16-28, and a second knit structure comprising a plurality of circumferential bands (422) formed by a coarser knit that the first knit structure (410).

13. The method of claim 12, wherein the second knit structure (422) comprises an inelastic knit structure and arranged for the uncured silicone material to extend through the second knit structure (422) from the inner surface to the outer surface of the textile sleeve (402).

14. The method of claim 1, wherein the textile sleeve (502) defines at least one more knit structure (514) connected to the first knit structure (512), the at least one more knit structure (514) having a different knit structure than the first knit structure (512) including different axial or radial elongation.

15. A liner (100) for prosthetic use, the liner (100) having an exterior surface and an inner cavity forming an interior surface of the liner (100), the liner (100) comprising:

a textile sleeve (102) having a first knit structure with interstices between yams of said first knit structure, the textile sleeve (102) defining an inner surface and an outer surface on an opposite side of the inner surface;

a silicone material disposed onto and cured against the inner surface of the textile sleeve (102) to form an inner layer (101) of the liner (100), the silicone material impregnating the interstices of the first knit structure of the textile sleeve (102), wherein impregnation of the silicone material is only along the inner surface of the textile sleeve (102), the outer surface of the liner (100) is devoid of the silicone material;

wherein the inner layer (101) forms the interior surface of the liner (100) and the outer surface of the textile sleeve (102) forms the exterior surface of the liner (100), wherein a thickness of the liner (100) from the interior surface of the liner (100) to the inner surface of the textile sleeve (102) consists of the silicone of the inner layer (101).