Marked precoated medical device and method of manufacturing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-025/09
A61L-029/08
A61L-029/18
A61L-031/10
A61L-031/18
B05D-003/02
B05D-005/00
B05D-005/08
B05D-007/00
출원번호
US-0586280
(2014-12-30)
등록번호
US-9782569
(2017-10-10)
발명자
/ 주소
Nesbitt, Bruce
출원인 / 주소
Innovatech, LLC
대리인 / 주소
Neal, Gerber & Eisenberg LLP
인용정보
피인용 횟수 :
0인용 특허 :
199
초록▼
A medical device, such as a medical wire, which includes a coating applied to the surface of the medical wire. The coating includes a base layer bonded to the surface of the medical wire and an at least partially transparent low-friction top coat applied to the base layer. The base layer includes he
A medical device, such as a medical wire, which includes a coating applied to the surface of the medical wire. The coating includes a base layer bonded to the surface of the medical wire and an at least partially transparent low-friction top coat applied to the base layer. The base layer includes heat activated pigments that change color when heated above a color shifting temperature. In one embodiment, the color of the pigment in one area contrasts with the color of the pigment in an adjacent area without otherwise affecting the low-friction surface of the coating. The areas of different color created in locations along the length of the low-friction coated medical wire form markings which, as an example, enable a surgeon to determine the length of the medical wire inserted into a body by observing the markings on the portion of the marked medical wire located exterior to the body.
대표청구항▼
1. A method of manufacturing a coated helically wound wire, said method comprising: (a) twisting a first end of a helically wound wire a first designated quantity of times in a first direction, wherein each of said twists of the first end is about a longitudinal axis of the helically wound wire;(b)
1. A method of manufacturing a coated helically wound wire, said method comprising: (a) twisting a first end of a helically wound wire a first designated quantity of times in a first direction, wherein each of said twists of the first end is about a longitudinal axis of the helically wound wire;(b) while the first end of the helically wound wire remains twisted in the first direction, twisting a second end of the helically wound wire a second designated quantity of times in a second direction opposite the first direction, wherein each of said twists of the second end is about the longitudinal axis of the helically wound wire;(c) thereafter and before allowing the first and second ends of the helically wound wire to untwist, applying a designated coating on the helically wound wire along the longitudinal axis of the helically wound wire, the designated coating including a pigment of a designated color;(d) thereafter, releasing the first end of the helically wound wire and the second end of the helically wound wire, wherein the designated coating forms a spiral line along a longitudinally extending portion of the helically wound wire; and(e) curing the designated coating. 2. The method of claim 1, which includes coating the helically wound wire with a first coating including a first pigment of a first color prior to twisting the first end of the helically wound wire and prior to twisting the second end of the helically wound wire, the first color being different than the designated color. 3. The method of claim 2, wherein the first coating includes a plurality of particles of a low-friction material. 4. The method of claim 2, which includes at least partially curing the first coating prior to applying the designated coating to the helically wound wire. 5. The method of claim 1, wherein the designated coating includes a plurality of particles of a low-friction material. 6. The method of claim 1, wherein the helically wound wire is a medical guide wire. 7. The method of claim 1, which includes blocking at least a first portion of a surface of the helically wound wire, the first portion extending along the longitudinal axis of the helically wound wire, and wherein applying the designated coating to the helically wound wire includes applying the designated coating to at least a second, unblocked portion of the surface of the helically wound wire, the second portion extending along the longitudinal axis of the helically wound wire. 8. The method of claim 1, wherein curing of the designated coating occurs after releasing of the first end of the helically wound wire and the second end of the helically wound wire. 9. A method of manufacturing a coated helically wound wire, said method comprising: (a) holding a first end of a helically wound wire and simultaneously twisting a second end of the helically wound wire a first designated quantity of times, wherein each of said twists of the second end is about a longitudinal axis of the helically wound wire;(b) thereafter and before allowing the second end of the helically wound wire to untwist, applying a designated coating on the helically wound wire along the longitudinal axis of the helically wound wire, the designated coating including a pigment of a designated color;(c) thereafter, releasing the second end of the helically wound wire to enable the helically wound wire to untwist, wherein the designated coating forms a spiral line along a longitudinally extending portion of the helically wound wire; and(d) curing the designated coating. 10. The method of claim 9, which includes coating the helically wound wire with a first coating including a first pigment of a first color prior to twisting the second end of the helically wound wire, the first color being different than the designated color. 11. The method of claim 10, wherein the first coating includes a plurality of particles of a low-friction material. 12. The method of claim 10, which includes at least partially curing the first coating prior to applying the designated coating to the helically wound wire. 13. The method of claim 9, wherein the designated coating includes a plurality of particles of a low-friction material. 14. The method of claim 9, wherein the helically wound wire is a medical guide wire. 15. The method of claim 9, which includes blocking at least a first portion of a surface of the helically wound wire, the first portion extending along the longitudinal axis of the helically wound wire, and wherein applying the designated coating to the helically wound wire includes applying the designated coating to at least a second, unblocked portion of the surface of the helically wound wire, the second portion extending along the longitudinal axis of the helically wound wire. 16. The method of claim 9, wherein curing of the designated coating occurs after releasing of the second end of the helically wound wire. 17. A method of manufacturing a coated helically wound wire, said method comprising: (a) applying a first coating to at least a first portion of an outer surface of a helically wound wire, the first coating including: (i) a first pigment of a first color, and(ii) a plurality of particles of a low-friction material;(b) partially curing the first coating;(c) turning a first end of the helically wound wire a first designated quantity of times, wherein each of said turns of the first end is about a longitudinal axis of the helically wound wire;(d) turning a second end of the helically wound wire a second designated quantity of times, wherein each of said turns of the second end is about the longitudinal axis of the helically wound wire;(e) blocking at least a first portion of the coated outer surface of the helically wound wire, the first portion extending along the longitudinal axis of the helically wound wire;(f) applying a second coating to at least a second, unblocked portion of the coated outer surface of the helically wound wire, the second portion extending along the longitudinal axis of the helically wound wire, the second coating including: (i) a second pigment of a second color, the second color being of a contrasting hue than the first color, and(ii) a plurality of particles of the low-friction material;(g) partial curing the second coating;(h) releasing the first end of the helically wound wire and the second end of the helically wound wire, wherein the second coating forms a spiral line along a longitudinally extending portion on the helically wound wire; and(i) final curing the first coating and the second coating. 18. The method of claim 17, wherein the helically wound wire is a medical guide wire. 19. A method of manufacturing a coated helically wound wire, said method comprising: (a) applying a first coating to at least a first portion of an outer surface of a helically wound wire, the first coating including: (i) a first pigment of a first color, and(ii) a plurality of particles of a low-friction material;(b) partially curing the first coating;(c) holding a first end of the helically wound wire;(d) turning a second end of the helically wound wire a second designated quantity of times, wherein each of said turns of the second end is about a longitudinal axis of the helically wound wire;(e) blocking at least a first portion of the coated outer surface of the helically wound wire, the first portion extending along the longitudinal axis of the helically wound wire;(f) applying a second coating to at least a second, unblocked portion of the coated outer surface of the helically wound wire, the second portion extending along the longitudinal axis of the helically wound wire, the second coating including: (i) a second pigment of a second color, the second color being of a contrasting hue than the first color, and(ii) a plurality of particles of the low-friction material;(g) partial curing the second coating;(h) releasing the second end of the helically wound wire, wherein the second coating forms a spiral line along a longitudinally extending portion on the helically wound wire; and(i) final curing the first coating and the second coating. 20. The method of claim 19, wherein the helically wound wire is a medical guide wire.
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