US3685059A - Prosthetic blood circulation device having a pyrolytic carbon coated blood contacting surface - Google Patents
Prosthetic blood circulation device having a pyrolytic carbon coated blood contacting surface Download PDFInfo
- Publication number
- US3685059A US3685059A US58921A US3685059DA US3685059A US 3685059 A US3685059 A US 3685059A US 58921 A US58921 A US 58921A US 3685059D A US3685059D A US 3685059DA US 3685059 A US3685059 A US 3685059A
- Authority
- US
- United States
- Prior art keywords
- pyrolytic carbon
- prosthetic device
- substrate
- accordance
- blood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/08—Carbon ; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L33/00—Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment
- A61L33/02—Use of inorganic materials
- A61L33/025—Carbon; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
- A61M60/232—Centrifugal pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/258—Piston pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
- A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
- A61M60/416—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted directly by the motor rotor drive shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/81—Pump housings
- A61M60/814—Volutes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/89—Valves
- A61M60/894—Passive valves, i.e. valves actuated by the blood
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/10—Pumps having fluid drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
- F04B53/124—Oscillating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00161—Carbon; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
Abstract
Description
Claims (13)
- 2. A prosthetic device in accordance with Claim 1 wherein said pyrolytic carbon has an apparent crystallite size of about 50A. or less.
- 3. A prosthetic device in accordance with Claim 2 wherein said pyrolytic carbon has an apparent crystallite size of at least about 20A.
- 4. A prosthetic device in accordance with claim 1 wherein said pyrolytic carbon coating is at least about 50 microns thick.
- 5. A prosthetic device in accordance with claim 4 wherein said substrate has no radius of curvature less than one-quarter inch and said pyrolytic carbon has a BAF between 1.0 and about 2.0.
- 6. A prosthetic device in accordance with claim 1 wherein said pyrolytic carbon has a thermal coefficient of expansion between about 3 and 6 X 10 6/* C. measured at about 20* C.
- 7. A prosthetic device in accordance with claim 6 wherein said pyrolytic carbon has a thermal coefficient of expansion plus or minus about 50 percent of the coefficient of thermal expansion of said substrate.
- 8. A prosthetic device in accordance with claim 1 wherein said pyrolytic carbon contains a carbide additive dispersed therein.
- 9. A prosthetic device in accordance with claim 8 wherein said pyrolytic carbon contains up to about 20 weight percent silicon in the form of silicon carbide.
- 10. A prosthetic device in accordance with claim 8 wherein said pyrolytic carbon contains silicon in an amount between about 20 and 10 weight percent in the form of silicon carbide.
- 11. A prosthetic device in accordance with claim 1 wherein said substrate has the shape of an element of a blood circulatory assist device.
- 12. A prosthetic device in accordance with claim 1 wherein said substrate has the shape of an element of an artificial heart valve.
- 13. A prosthetic device in accordance with claim 1 wherein said substrate has the shape of a cannula for implantation into the body of a human being.
- 14. A prosthetic device in accordance with claim 1 wherein said substRate is made of graphite.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5892170A | 1970-07-28 | 1970-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3685059A true US3685059A (en) | 1972-08-22 |
Family
ID=22019732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US58921A Expired - Lifetime US3685059A (en) | 1970-07-28 | 1970-07-28 | Prosthetic blood circulation device having a pyrolytic carbon coated blood contacting surface |
Country Status (5)
Country | Link |
---|---|
US (1) | US3685059A (en) |
CH (1) | CH554679A (en) |
DE (1) | DE2137782A1 (en) |
FR (1) | FR2110854A6 (en) |
GB (1) | GB1359007A (en) |
Cited By (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877080A (en) * | 1972-10-30 | 1975-04-15 | Atlantic Res Corp | Acicular silicon carbide dispersion in pyrolytic graphite matrix for use in biomedical implants |
US3885073A (en) * | 1970-08-21 | 1975-05-20 | Atlantic Res Corp | Pre-stressed pyrolytic graphite-refractory carbide microcomposites |
US3897582A (en) * | 1970-08-21 | 1975-07-29 | Atlantic Res Corp | Braking elements |
US3900668A (en) * | 1971-07-09 | 1975-08-19 | Atlantic Res Corp | Internal components for gas turbines of pyrolytic graphite silicon carbide codeposit |
US3900675A (en) * | 1970-08-21 | 1975-08-19 | Atlantic Res Corp | Rocket nozzle comprising pyrolytic graphite-silicon carbide microcomposite inserts |
US3924034A (en) * | 1970-08-21 | 1975-12-02 | Atlantic Res Corp | Process of making pyrolytic graphite-silicon carbide microcomposites |
US3925133A (en) * | 1970-08-21 | 1975-12-09 | Atlantic Res Corp | Method for making reinforced pyrolytic graphite-silicon carbide microcomposites |
US3935354A (en) * | 1970-08-21 | 1976-01-27 | Olcott Eugene L | Shaped articles of pyrolytic graphite-silicon carbide microcomposites |
US3952334A (en) * | 1974-11-29 | 1976-04-27 | General Atomic Company | Biocompatible carbon prosthetic devices |
US3969130A (en) * | 1973-02-05 | 1976-07-13 | General Atomic Company | Carbon-coated articles and method of making same |
DE2833724A1 (en) * | 1977-08-03 | 1979-02-15 | Gen Atomic Co | PROSTHESIS WITH A CARBON COVER |
EP0009148A1 (en) * | 1978-09-02 | 1980-04-02 | Schunk & Ebe GmbH | Joint endoprosthesis |
US4204542A (en) * | 1977-08-03 | 1980-05-27 | Carbomedics, Inc. | Multistrand carbon coated sutures |
USRE31040E (en) * | 1975-04-24 | 1982-09-28 | St. Jude Medical, Inc. | Heart valve prosthesis |
US4427470A (en) | 1981-09-01 | 1984-01-24 | University Of Utah | Vacuum molding technique for manufacturing a ventricular assist device |
US4473423A (en) | 1982-05-03 | 1984-09-25 | University Of Utah | Artificial heart valve made by vacuum forming technique |
US4838889A (en) * | 1981-09-01 | 1989-06-13 | University Of Utah Research Foundation | Ventricular assist device and method of manufacture |
US4892518A (en) * | 1987-12-04 | 1990-01-09 | Biocontrol Technology, Inc. | Hemodialysis |
US4938766A (en) * | 1987-08-28 | 1990-07-03 | Jarvik Robert K | Prosthetic compliance devices |
US4994078A (en) * | 1988-02-17 | 1991-02-19 | Jarvik Robert K | Intraventricular artificial hearts and methods of their surgical implantation and use |
US5084151A (en) * | 1985-11-26 | 1992-01-28 | Sorin Biomedica S.P.A. | Method and apparatus for forming prosthetic device having a biocompatible carbon film thereon |
US5092879A (en) * | 1988-02-17 | 1992-03-03 | Jarvik Robert K | Intraventricular artificial hearts and methods of their surgical implantation and use |
US5258022A (en) * | 1989-07-25 | 1993-11-02 | Smith & Nephew Richards, Inc. | Zirconium oxide and nitride coated cardiovascular implants |
US5282850A (en) * | 1989-07-25 | 1994-02-01 | Smith & Nephew Richards, Inc. | Artificial heart components with wear resistant coatings of reduced thrombogenicity |
WO1994009835A1 (en) * | 1992-10-30 | 1994-05-11 | Robert Jarvik | Cannula pumps for temporary cardiac support |
US5370694A (en) * | 1989-07-25 | 1994-12-06 | Smith & Nephew Richards, Inc. | Zirconium oxide and nitride coated endoprostheses for tissue protection |
US5370684A (en) * | 1986-12-12 | 1994-12-06 | Sorin Biomedica S.P.A. | Prosthesis of polymeric material coated with biocompatible carbon |
US5387247A (en) * | 1983-10-25 | 1995-02-07 | Sorin Biomedia S.P.A. | Prosthetic device having a biocompatible carbon film thereon and a method of and apparatus for forming such device |
US5496359A (en) * | 1989-07-25 | 1996-03-05 | Smith & Nephew Richards, Inc. | Zirconium oxide and zirconium nitride coated biocompatible leads |
US5514410A (en) * | 1994-09-08 | 1996-05-07 | Carbon Implants, Inc. | Pyrocarbon and process for depositing pyrocarbon coatings |
US5549667A (en) * | 1989-07-25 | 1996-08-27 | Smith & Nephew Richards, Inc. | Mechanical heart with wear resistant coatings of reduced thrombogenicity |
US5588443A (en) * | 1989-07-25 | 1996-12-31 | Smith & Nephew Richards, Inc. | Zirconium oxide and zirconium nitride coated guide wires |
US5628790A (en) * | 1989-07-25 | 1997-05-13 | Smith & Nephew, Inc. | Zirconium oxide zirconium nitride coated valvular annuloplasty rings |
US5681657A (en) * | 1995-02-02 | 1997-10-28 | Rainer H. Frey | Biocompatible porous hollow fiber and method of manufacture and use thereof |
US5713947A (en) * | 1989-12-21 | 1998-02-03 | Smith & Nephew, Inc. | Cardiovascular implants of enhanced biocompatibility |
US5851174A (en) * | 1996-09-17 | 1998-12-22 | Robert Jarvik | Cardiac support device |
US5965089A (en) * | 1996-10-04 | 1999-10-12 | United States Surgical Corporation | Circulatory support system |
US5998024A (en) * | 1995-02-02 | 1999-12-07 | Rainer H. Frey | Biocompatible material and method of manufacture and use thereof |
WO2001041826A1 (en) * | 1999-12-13 | 2001-06-14 | St. Jude Medical, Inc. | Pyrolytic carbon and metal/metalloid carbide composites |
EP1290984A2 (en) * | 1996-08-22 | 2003-03-12 | Advanced Cardiovascular Systems, Inc. | Protective coating for a stent with intermediate radiopaque coating |
US20030083741A1 (en) * | 2001-10-26 | 2003-05-01 | Yi-Ren Woo | Valved prosthesis with porous substrate |
US6596084B1 (en) | 1999-05-20 | 2003-07-22 | Medicalcv, Inc. | Pyrolytic carbon coating apparatus having feed gas actuator |
US6726718B1 (en) | 1999-12-13 | 2004-04-27 | St. Jude Medical, Inc. | Medical articles prepared for cell adhesion |
US6770024B1 (en) | 2000-03-28 | 2004-08-03 | Stony Brook Surgical Innovations, Inc. | Implantable counterpulsation cardiac assist device |
WO2004101017A2 (en) * | 2003-05-16 | 2004-11-25 | Blue Membranes Gmbh | Medical implants comprising biocompatible coatings |
US20050035452A1 (en) * | 2001-05-07 | 2005-02-17 | Broadcom Corporation | Die-up ball grid array package including a substrate having an opening and method for making the same |
US20050037132A1 (en) * | 2002-04-25 | 2005-02-17 | Roland Horres | Anti-thrombogenic surfaces and process for their production |
US20050079356A1 (en) * | 2003-05-16 | 2005-04-14 | Jorg Rathenow | Method for coating substrates with a carbon-based material |
US20050079201A1 (en) * | 2003-05-28 | 2005-04-14 | Jorg Rathenow | Implants with functionalized carbon surfaces |
US20060245959A1 (en) * | 2005-04-29 | 2006-11-02 | Larose Jeffrey A | Multiple rotor, wide blade, axial flow pump |
US20070013094A1 (en) * | 2003-05-16 | 2007-01-18 | Norman Bischofsberger | Method for the preparation of porous, carbon-based material |
WO2007040663A1 (en) * | 2005-10-05 | 2007-04-12 | Heartware, Inc. | Axial flow pump with multi-grooved rotor |
US20070100196A1 (en) * | 2004-12-03 | 2007-05-03 | Larose Jeffrey A | Axial flow pump with mult-grooved rotor |
US20070118221A1 (en) * | 2002-10-04 | 2007-05-24 | Zimmer Trabecular Metal Technology, Inc. | Prosthetic disc and vertebral body replacement device having pyrolytic carbon bearing members |
US20080188725A1 (en) * | 2007-02-06 | 2008-08-07 | Markle David R | Optical systems and methods for ratiometric measurement of blood glucose concentration |
US20090018418A1 (en) * | 2007-05-10 | 2009-01-15 | Glumetrics, Inc. | Equilibrium non-consuming fluorescence sensor for real time intravascular glucose measurement |
US20090138067A1 (en) * | 1993-10-21 | 2009-05-28 | Leonard Pinchuk | Expandable supportive branched endoluminal grafts |
US20090203957A1 (en) * | 2008-02-08 | 2009-08-13 | Larose Jeffrey A | Ventricular assist device for intraventricular placement |
US20090226293A1 (en) * | 2005-07-06 | 2009-09-10 | Sumco Techxiv Kabushiki Kaisha | Method and Apparatus for Manufacturing Semiconductor Wafer |
US7699586B2 (en) | 2004-12-03 | 2010-04-20 | Heartware, Inc. | Wide blade, axial flow pump |
WO2010090767A3 (en) * | 2009-02-09 | 2011-03-10 | St. Jude Medical, Inc. | Enhancing biocompatibility of a medical device |
US20120053427A1 (en) * | 2010-08-31 | 2012-03-01 | Glumetrics, Inc. | Optical sensor configuration and methods for monitoring glucose activity in interstitial fluid |
US8715589B2 (en) | 2009-09-30 | 2014-05-06 | Medtronic Minimed, Inc. | Sensors with thromboresistant coating |
US8979790B2 (en) | 2007-11-21 | 2015-03-17 | Medtronic Minimed, Inc. | Use of an equilibrium sensor to monitor glucose concentration |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603456C2 (en) * | 1976-01-30 | 1984-04-05 | Robert Bosch Gmbh, 7000 Stuttgart | Process for the production of a bone implant |
US6206659B1 (en) | 1995-06-01 | 2001-03-27 | Advanced Bionics, Inc. | Magnetically driven rotor for blood pump |
US5924848A (en) * | 1995-06-01 | 1999-07-20 | Advanced Bionics, Inc. | Blood pump having radial vanes with enclosed magnetic drive components |
US5685700A (en) * | 1995-06-01 | 1997-11-11 | Advanced Bionics, Inc. | Bearing and seal-free blood pump |
US5938412A (en) * | 1995-06-01 | 1999-08-17 | Advanced Bionics, Inc. | Blood pump having rotor with internal bore for fluid flow |
US7052253B2 (en) | 2003-05-19 | 2006-05-30 | Advanced Bionics, Inc. | Seal and bearing-free fluid pump incorporating a passively suspended self-positioning impeller |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298921A (en) * | 1965-10-22 | 1967-01-17 | Jack C Bokros | Pyrolytic carbon coated particles for nuclear applications |
US3330698A (en) * | 1962-05-28 | 1967-07-11 | Drexel Inst Of Technology | Method of making thermoelectric cooling device |
US3369920A (en) * | 1964-11-24 | 1968-02-20 | Union Carbide Corp | Process for producing coatings on carbon and graphite filaments |
US3399969A (en) * | 1966-02-10 | 1968-09-03 | Gulf General Atomic Inc | Deposition of massive pyrolytic carbon |
US3526906A (en) * | 1965-11-05 | 1970-09-08 | Lorraine Carbone | Prosthetic implants made from carbonaceous materials |
-
1970
- 1970-07-28 US US58921A patent/US3685059A/en not_active Expired - Lifetime
-
1971
- 1971-07-23 FR FR7127011A patent/FR2110854A6/fr not_active Expired
- 1971-07-26 GB GB3501371A patent/GB1359007A/en not_active Expired
- 1971-07-27 CH CH1105571A patent/CH554679A/en not_active IP Right Cessation
- 1971-07-28 DE DE19712137782 patent/DE2137782A1/en active Pending
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Also Published As
Publication number | Publication date |
---|---|
FR2110854A6 (en) | 1972-06-02 |
GB1359007A (en) | 1974-07-03 |
DE2137782A1 (en) | 1972-02-03 |
CH554679A (en) | 1974-10-15 |
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