A medical valve has an interior flow path having a volume that is substantially the same when in either the closed mode (when the valve is closed) or the open mode (when the valve is open). To those ends, the medical valve has a housing forming an interior, and a valve mechanism (within the interior
A medical valve has an interior flow path having a volume that is substantially the same when in either the closed mode (when the valve is closed) or the open mode (when the valve is open). To those ends, the medical valve has a housing forming an interior, and a valve mechanism (within the interior) having a substantially rigid translating member with a bore. The interior of the housing has a flow path that includes at least a portion of the bore of the translating member. As noted above, the open mode volume is substantially equal to the closed mode volume.
대표청구항▼
What is claimed is: 1. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising: a housing forming an interior; a valve mechanism within the interior, the valve mechanism having a substantially rigid translating member wit
What is claimed is: 1. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising: a housing forming an interior; a valve mechanism within the interior, the valve mechanism having a substantially rigid translating member with a bore and an elastomeric member sealing the bore in the closed mode, the interior of the housing having a flow path that includes at least a portion of the bore of the translating member, the flow path having an open mode volume when the valve is in the open mode, the fluid path also having a closed mode volume when the valve is in the closed mode, the open mode volume being substantially equal to the closed mode volume, and movement of the translating member causing substantially no volumetric change within any part of the flow path when the valve transitions between the open and closed modes. 2. The medical valve as defined by claim 1 wherein the flow path has a volume that remains substantially constant as the valve transitions between the open mode and the closed mode. 3. The medical valve as defined by claim 1 wherein the flow path comprises the at least a portion of the bore and a second portion, the translating member extending through the second portion of the flow path. 4. The medical valve as defined by claim 1 wherein the interior also includes a receiving chamber that is outside of the flow path, the translating member extending into the receiving chamber when the valve is in the closed mode. 5. The medical valve as defined by claim 1 wherein the flow path comprises the at least a portion of the bore and a second portion, the second portion having a substantially constant volume as the valve transitions between modes. 6. The medical valve as defined by claim 1 wherein the translating member has a substantially static shape as the valve transitions between the open mode and the closed mode. 7. The medical valve as defined by claim 1 wherein the valve substantially has neither a positive push nor a drawback when the valve transitions from the open mode to the closed mode. 8. The medical valve as defined by claim 1 wherein the valve substantially has neither a positive push nor a drawback when the valve transitions from the closed mode to the open mode. 9. The medical valve as defined by claim 1 wherein the translating member includes a cannula. 10. The medical valve as defined by claim 1 wherein the valve mechanism has a proximal section, the housing also having a distal port, the flow path extending from the proximal section of the valve mechanism to the distal port. 11. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising: a housing forming an interior having a proximal port and a distal port, the interior forming a flow path between the proximal port and the distal port, a translating member having a bore, the translating member being longitudinally movable within the interior, the flow path comprising the bore and a second portion, the translating member bounding the second portion of the flow path, the flow path maintaining a substantially constant volume when the valve transitions between the open mode and the closed mode; and an elastomeric member normally biasing the translating member to close the valve, the elastomeric member sealing the bore when in the closed mode. 12. The medical valve as defined by claim 11 wherein the second portion remains substantially stationary within the interior when the valve transitions between the open and closed modes. 13. The medical valve as defined by claim 11 wherein the bore maintains a substantially constant volume between the open and closed modes. 14. The medical valve as defined by claim 11 wherein movement of the translating member causes substantially no volumetric change within any part of the flow path when the valve transitions between the open and closed modes. 15. The medical valve as defined by claim 11 wherein the elastomeric member is within the interior, the elastomeric member preventing fluid flow through the bore when the valve is in the closed mode. 16. The medical valve as defined by claim 15 wherein the bore has at least two longitudinally spaced openings, the elastomeric member occluding the at least two longitudinally spaced openings when the valve is in the closed mode. 17. The medical valve as defined by claim 11 further comprising a valve mechanism, the valve mechanism including the translating member and the elastomeric member, the valve mechanism being substantially flush with or extending proximally from the proximal port when the valve is in the closed mode. 18. The medical valve as defined by claim 11 wherein the translating member includes a tube. 19. The medical valve as defined by claim 18 wherein the tube has a side wall forming an opening, the side wall terminating at a closed distal end, the opening being occluded when the valve is in the closed mode. 20. The medical valve as defined by claim 11 wherein the interior has a receiving chamber outside the flow path, the translating member being at least partly within the receiving chamber when the valve is in the closed mode. 21. The medical valve as defined by claim 11 wherein the second portion of the flow path has a part with a first boundary and a second boundary, the translating member extending at least from the first boundary to the second boundary. 22. The medical valve as defined by claim 11 wherein the second portion of the flow path has at least one radially extending wall. 23. The medical valve as defined by claim 11 wherein the distal port substantially has neither a positive push nor a drawback when the valve transitions from the open mode to the closed mode. 24. The medical valve as defined by claim 11 wherein the translating member bounds the second portion of the flow path in both the closed mode and in the open mode. 25. The medical valve as defined by claim 11 wherein the second portion of the flow path remains substantially static as the valve transitions between the open mode and the closed mode. 26. A method of controlling fluid flow through a valve having an interior, the valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the method comprising: forming a flow path within the interior, the flow path comprising a first portion and a second portion; inserting a nozzle into the valve; and longitudinally moving the first portion relative to the second portion to change the mode of the valve, each of the first portion and the second portion having a substantially static shape when the valve transitions between the open mode and the closed mode, the nozzle longitudinally moving the first portion relative to the second portion as the nozzle is inserted into the valve, the valve having an elastomeric member that seals the first portion of the flow path when in the closed mode. 27. The method as defined by claim 26 wherein the first portion has a substantially constant volume when the valve transitions between the open mode and the closed mode, the second portion having a substantially constant volume when the valve transitions between the open mode in the closed mode. 28. The method as defined by claim 26 wherein the valve has a distal port substantially having neither a positive push nor a drawback when the first portion longitudinally moves relative to second portion. 29. The method as defined by claim 26 wherein the flow path has a substantially constant volume when the first portion longitudinally moves relative the second portion. 30. The method as defined by claim 26 wherein a first component forms the first portion, the first component displacing a displacement volume within the second portion, the displacement volume remaining substantially constant as the valve transitions between the open mode and the closed mode. 31. The method as defined by claim 26 wherein the first portion bounds the second portion in both the open mode and the closed mode. 32. The method as defined by claim 26 wherein a line is connected to the valve, the first portion of the flow path being in a closed position when in the closed mode, the method further comprising: clamping the line when in the open mode, the first portion of the flow path returning to the closed position when the line is clamped. 33. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising: a housing having a distal port and an interior, a valve mechanism within the interior, the valve mechanism having an elastomeric sealing member, the interior having components forming a flow path extending from the elastomeric sealing member and terminating at the distal port, the elastomeric sealing member cooperating with at least one of the components to selectively open and close the valve, the elastomeric sealing member normally biasing at least one of the components to close the valve, and the components each maintaining substantially constant shapes as the valve transitions between the open mode and the closed mode, the distal port substantially having neither a positive push nor a drawback when the valve transitions from the open mode to the closed mode. 34. The medical valve as defined by claim 33 wherein the distal port substantially has neither a positive push nor a drawback when the valve transitions from the closed mode to the open mode. 35. The medical valve as defined by claim 33 wherein the components include: a first component forming a first portion of the flow path; and a second component forming a second portion of the flow path, the first component moving relative to the second component as the valve transitions from the open mode to the closed mode. 36. The medical valve as defined by claim 35 wherein the first portion and second portion of the flow path are not in fluid communication during the closed mode. 37. The medical valve as defined by claim 33 wherein the components comprise a translating member having a bore, the flow path comprising the bore and a second portion, the translating member bounding the second portion of the flow path during both the open mode and closed mode. 38. The medical valve as defined by claim 33 wherein the entire flow path maintains a substantially constant volume as the valve transitions from the open mode to the closed mode. 39. The medical valve as defined by claim 33 wherein the components define the entire flow path through the valve. 40. The medical valve as defined by claim 33 wherein the components comprise at least one of a translating member and an interior contour of the housing. 41. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising: a housing forming an interior; means for controlling fluid flow within the interior, the controlling means having a translating means with a bore and an elastomeric member sealing the bore in the closed mode, the interior of the housing having a flow path that includes at least a portion of the bore of the translating means, the flow path having an open mode volume when the valve is in the open mode, the fluid path also having a closed mode volume when the valve is in the closed mode, the open mode volume being substantially equal to the closed mode volume, and movement of the translating means causing substantially no volumetric change within any part of the flow path when the valve transitions between the open and closed modes. 42. The medical valve as defined by claim 41 wherein the translating means comprises a translating member. 43. The medical valve as defined by claim 41 wherein the controlling means comprises a valve mechanism. 44. The medical valve as defined by claim 41 wherein the flow path has a volume that remains substantially constant as the valve transitions between the open mode and the closed mode. 45. The medical valve as defined by claim 41 wherein the flow path comprises the at least a portion of the bore and a second portion, the translating means extending through the second portion of the flow path. 46. The medical valve as defined by claim 41 wherein the interior also includes means for receiving the translating means, the receiving means being outside of the flow path, the translating means extending into the receiving means when the valve is in the closed mode. 47. The medical valve as defined by claim 41 wherein the translating means has a substantially static shape as the valve transitions between the open mode and the closed mode. 48. The medical valve as defined by claim 41 wherein the valve substantially has neither a positive push nor a drawback when the valve transitions from the open mode to the closed mode. 49. The medical valve as defined by claim 41 wherein the valve substantially has neither a positive push nor a drawback when the valve transitions from the closed mode to the open mode. 50. The medical valve as defined by claim 41 wherein the interior housing has a receiving chamber for receiving the translating means, the receiving chamber having a tapered seal that seals the receiving chamber.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (142)
Pexa Charles E. (1200 Lyman Ave. Wayzata MN 55391), Air eliminator for intravenous tube.
Purdy Edmund R. (Fruit Heights UT) Crawford Mark A. (Sandy UT) Erskine Timothy J. (Salt Lake City UT) Peterson Gerald H. (Salt Lake City UT), Apparatus and method for a catheter adapter with valve.
Collinson Michael (Goleta CA) Plyley Alan K. (Goleta CA) Redmond Russell J. (Goleta CA) Vidal Claude (Santa Barbara CA), Capless medical backcheck valve.
Akers Michael J. (Greenwood IN) Hargrove William W. (Indianapolis IN) Harris Dale C. (Fairland IN) Sperry Charles R. (Westport CT), Controlled release infusion system.
Cox Jeffrey A. (West Yorkshire GBX) Parapia Liakatali G. (Leeds GBX), Devices for sampling, drainage or infusion of liquids from or to the human or animal body.
Vigneau Jean-Louis (Varilhes FRX) Trenque Pierre (Ramonville St Agne FRX) Rivoire Bruno (Toulouse FRX), Fluid distribution connector, in particular for hospitals.
Picha George J. (Independence OH) Secrest Dean J. (Euclid OH) Bernard Steven L. (Cleveland OH), Fluid injection device for intravenous delivery system.
Hanover Barry K. (Salt Lake City UT) Jacobsen Stephen C. (Salt Lake City UT) Simon Eric M. (Salt Lake City UT) Petelenz Tomasz (Salt Lake City UT) Mladejovsky Michael G. (Murray UT), Implantable drug delivery system with piston actuation.
Aubin Norbert T. (P.O. Box 982 Loma Linda CA 92324), Method and surgically implantable apparatus for providing fluid communication with the interior of the body.
Sutherland Karl (Laguna Hills CA) Reinhart Frederick J. (Newport Beach CA) Sprague Terry (Chino Hills CA), Multi-functional valve with unitary valving member and improved safety.
Loo George D. H. (9814 Curwood Pl. Beverly Hills CA 90210) Wong Gordon A. (118 Northlite Cir. Sacramento CA 95831), Needle-less parenteral fluid injector.
Steven C. Jepson ; Thomas E. Dudar ; Rodrigo A. Montanez ; Algirdas J. Bindokas ; Michael J. Finley ; Jason J. White ; Camille Summer ; Samuel Ding ; Lewis E. Daniels, Needleless connector.
Thomas Joseph J. (Berwyn PA) Catlin David G. (West Chester PA) Armour Andrew (Delaware County PA) Thomas Robert W. (Wayne PA), Needleless introducer with hemostatic valve.
Schwab Egon (Otto-Schwabe Strasse 4 6203 Hochheim DEX) Padar Steve (Theresen Strasse 17 6235 Kelkheim DEX), Non-return valve for medical purposes in particular for balloon catheters.
George A. Lopez ; Thomas F. Fangrow, Jr. ; David C. Arnold ; Bruce M. Hubrecht ; Alison D. Brummett ; Thomas J. Gustus ; Dennis M. Bui, Positive-flow valve.
Dudar Thomas E. (Palatine IL) Jepson Steven C. (Palatine IL) Dobbie Robert P. (Lincolnshire IL) Graham Peter L. (Gurnee IL) Finley Michael J. (Park City IL) Rollins Richard A. (Mundelein IL), Pre-slit injection site.
Pelmulder John P. (Chatsworth CA) Gorton Lanny A. (Sunland CA) Guleserian Armen J. (Simi Valley CA) Livingston John H. (Santa Monica CA), Precision passive flat-top valve for medication infusion system.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.