21-03-2019 дата публикации
Номер: US20190083731A1
Принадлежит:
An oral suction device includes a suction catheter having a suction portion at a first end, a shell surrounding the suction portion, and a suction tubing connector on a second end opposite the first end. The shell includes a hydrogel. 1. An oral suction device , comprising:a suction catheter having a suction portion at a first end,a shell surrounding the suction portion, anda suction tubing connector, on a second end opposite the first end,wherein the shell comprises a hydrogel.2. The oral suction device of claim 1 , further comprising a sponge surrounding the suction portion claim 1 , wherein the shell surrounds the sponge.3. The oral suction device of claim 2 , wherein the sponge is radiopaque.4. The oral suction device of claim 1 , wherein the hydrogel comprises a polymer claim 1 , water and a salt.5. The oral suction device of claim 4 , wherein the salt is sodium chloride.6. The oral suction device of claim 1 , wherein the suction portion has a length of 2.5 to 30 cm.7. The oral suction device of claim 1 , wherein the oral suction device is sterile.8. The oral suction device of claim 1 , further comprising a retention connector attached to the suction catheter.9. The oral suction device of claim 8 , wherein the retention connector is a C-clip.10. The oral suction device of claim 1 , wherein the hydrogel comprises at least one member selected from the group consisting of polyacrylamide; agar-agar; polyvinyl pryrrolidone; silicone hydrogels; and polymers and copolymers of 2-hydroxyethylmethacrylate claim 1 , glyceryl methacrylate claim 1 , methyl methacrylate claim 1 , N-vinyl pyrrolidone claim 1 , N-vinyl-2-pyrrolidone claim 1 , 2-methacryloyloxyethyl phosphorylcholine claim 1 , ethoxyethyl methacrylate and methacrylic acid.11. The oral suction device of claim 1 , wherein the hydrogel comprises polyvinyl pyrrolidone claim 1 , polyethylene glycol claim 1 , agar-agar and water.12. The oral suction device of claim 1 , wherein the hydrogel is impregnated with an ...
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