Marked fluoropolymer surfaces and method of manufacturing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-001/32
B05D-005/06
A61L-031/10
A61L-031/04
B05D-007/02
A61M-025/00
B05D-003/12
B05D-003/02
B05D-001/00
출원번호
US-0962361
(2018-04-25)
등록번호
US-10111987
(2018-10-30)
발명자
/ 주소
Caballero, Adino D.
Nesbitt, Bruce
Berkelhamer, Charles
Osterhout, George F.
출원인 / 주소
Innovatech, LLC
대리인 / 주소
Neal, Gerber & Eisenberg LLP
인용정보
피인용 횟수 :
0인용 특허 :
195
초록▼
A method of manufacturing a coated low-friction medical device, such as low-friction medical tubing, including applying a coating to one or more selected portions of a surface of low-friction medical tubing to indicate at least one marking formed along the surface of the low-friction medical tubing,
A method of manufacturing a coated low-friction medical device, such as low-friction medical tubing, including applying a coating to one or more selected portions of a surface of low-friction medical tubing to indicate at least one marking formed along the surface of the low-friction medical tubing, and simultaneously or substantially simultaneously: (a) curing the applied coating to a designated temperature (which is above the temperature at which the low-friction medical tubing begins to decompose and shrink) to adhere the applied coating to the surface of the low-friction medical tubing, (b) utilizing one or more anti-shrinking devices to counteract or otherwise inhibit the shrinking of the low-friction medical tubing, and (c) exhausting any harmful byproducts resulting from curing the low-friction medical tubing to a temperate above the temperature at which the low-friction medical tubing begins to decompose.
대표청구항▼
1. A method of manufacturing a coated polytetrafluoroethylene tube, said method comprising: inserting a support member into a lumen of a body of a polytetrafluoroethylene tube;coupling the support member and the body of the polytetrafluoroethylene tube to a shielding device;blocking, via the shieldi
1. A method of manufacturing a coated polytetrafluoroethylene tube, said method comprising: inserting a support member into a lumen of a body of a polytetrafluoroethylene tube;coupling the support member and the body of the polytetrafluoroethylene tube to a shielding device;blocking, via the shielding device, a plurality of spaced apart portions of an outer surface of the body of the polytetrafluoroethylene tube;rotating the support member and the body of the polytetrafluoroethylene tube;while rotating the support member and the body of the polytetrafluoroethylene tube, applying a coating to each of a plurality of spaced apart unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube; andcuring the applied coating to cause the applied coating to bond to the outer surface of the body of the polytetrafluoroethylene tube to indicate a plurality of spaced apart markings formed on the outer surface of the body of the polytetrafluoroethylene tube. 2. The method of claim 1, wherein the support member includes a cylindrical rod. 3. The method of claim 1, wherein the support member includes a hollow tube. 4. The method of claim 1, wherein the support member has an outer diameter that is smaller than an inner diameter of the lumen of the body of the polytetrafluoroethylene tube. 5. The method of claim 1, which includes securing the body of the polytetrafluoroethylene tube to the support member. 6. The method of claim 1, wherein the support member is longer than the body of the polytetrafluoroethylene tube. 7. The method of claim 1, wherein coupling the support member and the body of the polytetrafluoroethylene tube to the shielding device includes attaching the support member to a first member of the shielding device. 8. The method of claim 7, wherein blocking, via the shielding device, the plurality of spaced apart portions of the outer surface of the body of the polytetrafluoroethylene tube includes attaching a second member to the first member, the second member including a plurality of blocking portions. 9. The method of claim 8, wherein the second member defines a plurality of apertures. 10. The method of claim 8, wherein the second member is securable to the first member. 11. The method of claim 8, wherein the second member defines a plurality of slots. 12. The method of claim 8, wherein the second member defines a plurality of semi-cylindrical tube engagement surfaces. 13. The method of claim 7, wherein the first member defines a plurality of semi-cylindrical tube engagement surfaces. 14. The method of claim 1, wherein the coating includes a polytetrafluoroethylene. 15. The method of claim 1, wherein the coating includes a binder selected from the group consisting of: an epoxy, a phenolic, a phenoxy, a polyimide, a polyamide, a polyamide-amide, a polyphenylene sulfide, a polyarylsulfone, polyethylene, a polytetrafluoroethylene, a fluorinated ethylene propylene, a perfluoroalkoxy, tetrafluoroethylene-hexafluoropropylene, a polyetheretherketone, a polyetherketone, and a tetrafluoroethylene perfluoromethyl vinyl ether copolymer. 16. The method of claim 1, wherein the coating includes a pigment selected from the group consisting of: an organic pigment, an inorganic pigment, an extender pigment, a magnetic receptive pigment, and a laser excitable pigment. 17. The method of claim 1, wherein the coating includes a pigment selected from a group consisting of: a phthalocyanine blue, a phthalocyanine green, a diarylide yellow, a diarylide orange, a quanacridone, a naphthol, a toluidine red, a carbizole violet, a carbon black, an iron oxide red, an iron oxide yellow, a chrome oxide green, a titanium oxide white, a cadmium red, a ultramarine blue, a moly orange, a lead chromate yellow, a mixed metal oxide, a talc, a calcium carbonate, a silicate and sulfate, a silica, a mica, an aluminum hydrate and silicate, a barium sulfate, a pearl pigment, a kaolin, an aluminum silicate derivative, an antomony trioxide, a metallic pigment, an aluminum flake pigment, and an iron oxide. 18. The method of claim 1, wherein the coating includes a plurality of anti-microbial particles. 19. The method of claim 18, wherein the anti-microbial particles are selected from the group consisting of: silver particles, glass-silver particles, silver-ceramic particles, and ceramic particles. 20. The method of claim 1, wherein the polytetrafluoroethylene tube is selected from the group consisting of: a cellular polytetrafluoroethylene tube, a porous polytetrafluoroethylene tube, and an expanded polytetrafluoroethylene tube. 21. The method of claim 1, wherein applying the coating to each of the plurality of spaced-apart unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube includes: (i) applying the coating to a first one of the unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube; and (ii) subsequently applying the coating to a second one of the unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube. 22. The method of claim 1, wherein applying the coating to each of the plurality of spaced-apart unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube includes: (i) applying the coating to a first one of the unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube; and (ii) simultaneously applying the coating to a second one of the unblocked portions of the outer surface of the body of the polytetrafluoroethylene tube. 23. The method of claim 1, wherein curing the applied coating includes heating the coating to a designated temperature for a designated period of time. 24. The method of claim 23, wherein the designated temperature is at least a decomposition temperature of the polytetrafluoroethylene tube. 25. The method of claim 1, wherein curing the applied coating includes heating the coating and the body of the polytetrafluoroethylene tube to a designated temperature for a designated period of time. 26. The method of claim 25, wherein the designated temperature is at least a decomposition temperature of the polytetrafluoroethylene tube. 27. The method of claim 1, wherein curing the applied coating includes heating the coating and a plurality of selective portions of the body of the polytetrafluoroethylene tube to which the coating is applied to a designated temperature for a designated period of time. 28. The method of claim 27, wherein the designated temperature is at least a decomposition temperature of the polytetrafluoroethylene tube. 29. The method of claim 27, wherein heating the coating and plurality of selective portions of the body of the polytetrafluoroethylene tube to which the coating is applied includes using an energy source selected from the group consisting of: a radiant heat, induction energy, hot air, open flame, at least one electric filament, at least one magnet, and at least one laser. 30. The method of claim 29, wherein the designated temperature is at least a decomposition temperature of the polytetrafluoroethylene tube. 31. The method of claim 1, wherein curing the applied coating includes using an energy source selected from the group consisting of: a radiant heat, induction energy, hot air, open flame, at least one electric filament, at least one magnet, and at least one laser. 32. The method of claim 1, wherein the plurality of spaced apart markings are selected from the group consisting of: at least one line perpendicular to a longitudinal direction of the body of the polytetrafluoroethylene tube, at least one line transverse to the longitudinal direction of the body of the polytetrafluoroethylene tube, and at least one line substantially transverse to the longitudinal direction of the body of the polytetrafluoroethylene tube. 33. The method of claim 1, wherein the support member functions as an anti-shrinking device when in the lumen of the body of the polytetrafluoroethylene tubing. 34. The method of claim 1, which includes allowing the body of the polytetrafluoroethylene tube to shrink in a longitudinal direction of the body of the polytetrafluoroethylene tube such that the plurality of spaced-apart markings are at desired positions along the body of the polytetrafluoroethylene tube after such shrinkage. 35. The method of claim 1, wherein coupling the support member and the body of the polytetrafluoroethylene tube to the shielding device includes attaching the support member to the shielding device without the outer surface of the body of the polytetrafluoroethylene tube contacting the shielding device. 36. The method of claim 1, which includes applying a top coat to the cured coating and the body of the polytetrafluoroethylene tube.
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