Disclosed is a cannula including a first circumferential portion, a second circumferential portion, and a seal with a first clamping surface. The first circumferential portion and the second circumferential portion are configured to mutually cooperate to support a circumference of vasculature, and f
Disclosed is a cannula including a first circumferential portion, a second circumferential portion, and a seal with a first clamping surface. The first circumferential portion and the second circumferential portion are configured to mutually cooperate to support a circumference of vasculature, and form a second clamping surface. The first clamping surface and the second clamping surface are configured to cooperate to secure an end of the vasculature.
대표청구항▼
1. A cannula comprising: a first circumferential portion;a second circumferential portion; anda seal with a first clamping surface; wherein the first circumferential portion and the second circumferential portion are configured to mutually cooperate to: support a circumference of vasculature, andfor
1. A cannula comprising: a first circumferential portion;a second circumferential portion; anda seal with a first clamping surface; wherein the first circumferential portion and the second circumferential portion are configured to mutually cooperate to: support a circumference of vasculature, andform a second clamping surface; andthe first clamping surface and the second clamping surface are configured to cooperate (i) such that, when the cannula is in a closed position, a center axis of the first clamping surface and a center axis of the second clamping surface are coaxial and (ii) to clamp an end of the vasculature between, and in contact with, the first clamping surface and the second clamping surface. 2. The cannula according to claim 1, wherein the first clamping surface and the second clamping surface comprise complementary conical surfaces. 3. The cannula according to claim 1, wherein the first circumferential portion and the second circumferential portion each include at least one fastening structure to cooperatively fasten the first circumferential portion and the second circumferential portion together around the circumference of the vasculature. 4. The cannula according to claim 1, wherein at least one of the first circumferential portion and the second circumferential portion is moveable with respect to the other of the first circumferential portion and the second circumferential portion. 5. The cannula according to claim 4, further comprising a first hinge connecting the first circumferential portion and the second circumferential portion. 6. The cannula according to claim 1, further comprising a flow passage disposed in the seal, the flow passage being configured to allow fluid communication with an interior of the vasculature. 7. The cannula according to claim 1, further comprising a chamber portion having a first opening and a second opening in fluid communication with a chamber, wherein the seal is configured to mate with the first opening. 8. The cannula according to claim 7, wherein the chamber portion comprises a third opening in fluid communication with the chamber. 9. The cannula according to claim 7, wherein the chamber portion is moveable with respect to at least one of the first circumferential portion and the second circumferential portion. 10. The cannula according to claim 7, wherein the chamber portion is connected to at least one of the first circumferential portion and the second circumferential portion by way of a hinge. 11. The cannula according to claim 7, wherein the seal is disposed between the chamber portion, the first circumferential portion, and the second circumferential portion when the cannula is in a position in which the end of the vasculature is secured. 12. The cannula according to claim 1, further comprising an optically clear portion configured to allow a user to view at least one of an interior of the vasculature and the seal when the cannula is in a position in which the end of the vasculature is secured, wherein the optically clear portion provides optical magnification. 13. The cannula according to claim 1, wherein the seal comprises an elastomeric material. 14. The cannula according to claim 13, wherein the elastomeric material has a shore A hardness not less than 32 and not greater than 70. 15. The cannula according to claim 14, wherein the elastomeric material has a shore A hardness not less than 60 and not greater than 65. 16. The cannula according to claim 1, wherein the second clamping surface comprises at least one of serrations and knurls. 17. The cannula according to claim 1, wherein the first circumferential portion and the second circumferential portion each comprise a tapered portion with a smaller diameter than that of a substantially cylindrical space formed between the first circumferential portion and the second circumferential portion. 18. The cannula according to claim 17, wherein the smaller diameter is no more than twelve percent smaller than a diameter of the substantially cylindrical space. 19. The cannula according to claim 1, wherein at least one of the first circumferential portion and the second circumferential portion comprises a notch configured to secure a suture or a side branch of the vasculature. 20. The cannula according to claim 1, wherein at least one of the first circumferential portion and the second circumferential portion comprises a surface located outside a diameter of the second clamping surface, the surface is approximately perpendicular to the circumference, and the surface comprises at least one serration or knurl. 21. The cannula according to claim 7, further comprising a fastening structure configured to secure the chamber portion to at least one of the first circumferential portion and the second circumferential portion when the cannula is in a closed state. 22. The cannula according to claim 21, wherein the fastening structure is an elastomeric strap. 23. The cannula according to claim 21, wherein the fastening structure is a snap fit. 24. The cannula according to claim 21, wherein the fastening structure is a ratcheting mechanism. 25. The cannula according to claim 1, wherein the first clamping surface is movable with respect to the first circumferential portion and the second circumferential portion. 26. The cannula according to claim 1, further comprising: a chamber configured to be in fluid communication with the vasculature disposed between the first circumferential portion and the second circumferential portion, wherein, the first circumferential portion and the second circumferential portion form a space therebetween, andthe chamber is coaxial with the space when (i) the first clamping surface and the second clamping surface mutually cooperate to form the second clamping surface and (ii) the chamber is in fluid communication with the vasculature. 27. The cannula according to claim 1, further comprising a hinge connected to the first clamping surface and configured to rotate the first clamping surface toward and away from the formed second clamping surface. 28. The cannula according to claim 1, wherein the first clamping surface and the second clamping surface are configured to cooperate to clamp the end of the vasculature between the first circumferential portion and the first clamping surface and between the second circumferential portion and the first clamping surface, such that the vasculature is in contact with the first clamping surface and the second clamping surface. 29. The cannula according to claim 1, in the form of a kit comprising a plurality of interchangeable seals configured for different sizes of vasculature. 30. A method of cannulating vasculature of an organ, the method comprising: contacting a circumference of the vasculature with a first circumferential portion of a cannula and a second circumferential portion of the cannula to support the vasculature while maintaining a capability to flow liquid through the vasculature;contacting an end of the vasculature with a sealing portion of the cannula in a manner that maintains the capability to flow liquid through the vasculature, wherein the vasculature is clamped between, and in contact with, (i) a surface formed by both the first circumferential portion of the cannula and the second circumferential portion of the cannula and (ii) the sealing portion of the cannula such that a center axis of the surface and a center axis of the sealing portion are coaxial. 31. The method according to claim 30, wherein the organ is a kidney and the vasculature does not include an aortic patch. 32. The method according to claim 30, wherein the circumference of the vasculature is compressed no more than twelve percent. 33. The method according to claim 30, further comprising clamping the end of the vasculature between the sealing portion and at least one of the first circumferential portion and the second circumferential portion. 34. The method according to claim 30, further comprising engaging at least one of serrations and knurls with the vasculature no more than two millimeters from the end of the vasculature. 35. A cannula for a vasculature of a kidney without an aortic patch, the cannula comprising: means for contacting a circumference of the vasculature with a first circumferential portion of the cannula and a second circumferential portion of the cannula to support the vasculature while maintaining a capability to flow liquid through the vasculature;means for contacting an end of the vasculature with a sealing portion of the cannula in a manner that maintains the capability to flow liquid through the vasculature, wherein the vasculature is clamped between, and in contact with, (i) a surface formed by both the first circumferential portion of a cannula and the second circumferential portion of the cannula and (ii) the sealing portion of the cannula such that a center axis of the surface and a center axis of the sealing portion are coaxial. 36. A cannula comprising: a first circumferential portion;a second circumferential portion; anda seal with a first clamping surface; wherein the first circumferential portion and the second circumferential portion are configured to mutually cooperate to: support a circumference of vasculature, andform a second clamping surface; andthe first clamping surface and the second clamping surface are configured to cooperate to secure an end of the vasculature between, and in contact with, the first clamping surface and the second clamping surface such that the first clamping surface and the second clamping surface do not damage the vasculature clamped therebetween. 37. A method of cannulating vasculature of an organ, the method comprising: contacting a circumference of the vasculature with a first circumferential portion of a cannula and a second circumferential portion of the cannula to support the vasculature while maintaining a capability to flow liquid through the vasculature;contacting an end of the vasculature with a sealing portion of the cannula in a manner that maintains the capability to flow liquid through the vasculature, wherein a surface formed by the first circumferential portion of the cannula and the second circumferential portion of the cannula cooperates with the sealing portion to secure the end of the vasculature between, and in contact with, the surface and the sealing portion such that the surface and the sealing portion do not damage the vasculature clamped therebetween.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (45)
Messier Kenneth A. (Cranston RI) Warner Nicholas F. (Belmont MA), Apparatus and method for storage and transporation of bioartificial organs.
Bradley Laurie (55 Alpine Avenue Surbiton ; Surrey GB2) Lilleystone Richard J. (32 High Pine Close Weybridge ; Surrey GB2) Cumner Clive S. (Surrey GB2), Container for the preservation and transportation of severed limbs or other body parts.
Guilhem Jacques R. J. (28 rue du Commandant Henry Vesco 78 310 Sainte-Adresse FRX) Wengler Roger L. L. (37 rue Mac Orlan 76 600 Le Havre FRX), Container for transporting grafts.
Bacchi Bernard (Garches FRX) Marchot Patrick (Colombes FRX) Mauriat Philippe (Vanves FRX) Touati Gilles (Tours FRX) Pouard Philippe (Clamart FRX) Magnard Alain (Longpont sur Orge FRX) Thomas Philippe, Controlled-environment medical container.
Valley Kirsten L. ; Snow David W. ; Corvi Timothy C. ; Donlon Brian S. ; Boyd Stephen W. ; Fan Sylvia W. ; Roth Alex T. ; Peters William S. ; Mueller ; Jr. Richard J. ; Gifford ; III Hanson S., Endovascular system for arresting the heart.
Bauer Dan O. (277 Kenwood Rd. Grosse Pointe Farms MI 48236) Bauer Neal W. (275 Merriweather Grosse Pointe Farms MI 48236), Kidney preservation machine.
Robinson, Janine; Samson, Wilfred J.; Macoviak, John A.; Young, Lisa M.; Esch, Brady; Lee, Mike; Olsen, Eric, Method and apparatus for differentially perfusing a patient during cardiopulmonary bypass.
Safar Peter (Pittsburgh PA) Stezoski S. William (Pittsburgh PA) Klain Miroslav (Pittsburgh PA), Portable and modular cardiopulmonary bypass apparatus and associated aortic balloon catheter and associated method.
Gardetto William W. ; Heacox John K. ; Matthews James L., Portable perfusion/oxygenation module having mechanically linked dual pumps and mechanically actuated flow control for.
Doerig Roland Karl (Nordstrasse 350 ; CH-8037 Zurich CH), Procedure for conservation of living organs and apparatus for the execution of this procedure.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.