US3677795A - Method of making a prosthetic device - Google Patents
Method of making a prosthetic device Download PDFInfo
- Publication number
- US3677795A US3677795A US821080A US3677795DA US3677795A US 3677795 A US3677795 A US 3677795A US 821080 A US821080 A US 821080A US 3677795D A US3677795D A US 3677795DA US 3677795 A US3677795 A US 3677795A
- Authority
- US
- United States
- Prior art keywords
- pyrolytic carbon
- substrate
- carbon
- coating
- coated
- 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
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000002296 pyrolytic carbon Substances 0.000 abstract description 79
- 239000000758 substrate Substances 0.000 abstract description 47
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 29
- 229910052799 carbon Inorganic materials 0.000 abstract description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 21
- 239000007789 gas Substances 0.000 abstract description 21
- 239000001294 propane Substances 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 19
- 230000008021 deposition Effects 0.000 abstract description 15
- 239000000203 mixture Substances 0.000 abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052710 silicon Inorganic materials 0.000 abstract description 11
- 239000010703 silicon Substances 0.000 abstract description 11
- 229910052715 tantalum Inorganic materials 0.000 abstract description 10
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract description 10
- 238000002513 implantation Methods 0.000 abstract description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011261 inert gas Substances 0.000 abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 8
- 239000011733 molybdenum Substances 0.000 abstract description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 abstract description 8
- 239000010937 tungsten Substances 0.000 abstract description 8
- 239000001273 butane Substances 0.000 abstract description 7
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 abstract description 7
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 abstract description 7
- 229930195733 hydrocarbon Natural products 0.000 abstract description 6
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010936 titanium Substances 0.000 abstract description 4
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052796 boron Inorganic materials 0.000 abstract description 3
- 229910052735 hafnium Inorganic materials 0.000 abstract description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052758 niobium Inorganic materials 0.000 abstract description 3
- 239000010955 niobium Substances 0.000 abstract description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract description 3
- 230000001453 nonthrombogenic effect Effects 0.000 abstract description 3
- 239000011236 particulate material Substances 0.000 abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 abstract description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 45
- 239000011248 coating agent Substances 0.000 description 38
- 239000008280 blood Substances 0.000 description 14
- 210000004369 blood Anatomy 0.000 description 14
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 11
- 239000001307 helium Substances 0.000 description 11
- 229910052734 helium Inorganic materials 0.000 description 11
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 11
- 229960002897 heparin Drugs 0.000 description 11
- 229920000669 heparin Polymers 0.000 description 11
- 241000282414 Homo sapiens Species 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 229960000686 benzalkonium chloride Drugs 0.000 description 8
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 7
- 238000000197 pyrolysis Methods 0.000 description 7
- 206010053567 Coagulopathies Diseases 0.000 description 6
- 230000035602 clotting Effects 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 229910021383 artificial graphite Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000005055 methyl trichlorosilane Substances 0.000 description 4
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000002965 anti-thrombogenic effect Effects 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
- 235000015241 bacon Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 208000006670 Multiple fractures Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GKTWGGQPFAXNFI-HNNXBMFYSA-N clopidogrel Chemical compound C1([C@H](N2CC=3C=CSC=3CC2)C(=O)OC)=CC=CC=C1Cl GKTWGGQPFAXNFI-HNNXBMFYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002885 thrombogenetic effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2403—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with pivoting rigid closure members
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
- Y10S623/901—Method of manufacturing prosthetic device
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Gastroenterology & Hepatology (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Materials For Medical Uses (AREA)
- External Artificial Organs (AREA)
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82108069A | 1969-05-01 | 1969-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3677795A true US3677795A (en) | 1972-07-18 |
Family
ID=25232444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US821080A Expired - Lifetime US3677795A (en) | 1969-05-01 | 1969-05-01 | Method of making a prosthetic device |
Country Status (6)
Country | Link |
---|---|
US (1) | US3677795A (en) |
JP (1) | JPS5014837B1 (en) |
CA (1) | CA948352A (en) |
DE (1) | DE2021320C3 (en) |
FR (1) | FR2041786A6 (en) |
GB (1) | GB1282685A (en) |
Cited By (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791852A (en) * | 1972-06-16 | 1974-02-12 | Univ California | High rate deposition of carbides by activated reactive evaporation |
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 |
US3969130A (en) * | 1973-02-05 | 1976-07-13 | General Atomic Company | Carbon-coated articles and method of making same |
US3972818A (en) * | 1974-08-22 | 1976-08-03 | General Atomic Company | Blood filter using glassy carbon fibers |
US4126924A (en) * | 1977-02-07 | 1978-11-28 | General Atomic Company | Socket and joint prostheses |
US4127659A (en) * | 1976-01-02 | 1978-11-28 | Avco Corporation | Silicon carbide filaments and method |
US4164794A (en) * | 1977-04-14 | 1979-08-21 | Union Carbide Corporation | Prosthetic devices having coatings of selected porous bioengineering thermoplastics |
US4194027A (en) * | 1975-04-21 | 1980-03-18 | General Atomic Company | Method of coating with homogeneous pyrocarbon |
US4300244A (en) * | 1979-09-19 | 1981-11-17 | Carbomedics, Inc. | Cardiovascular grafts |
US4338358A (en) * | 1978-06-12 | 1982-07-06 | U.S. Philips Corporation | Method of producing cuvettes for the flameless atomic absorption spectroscopy |
US4534761A (en) * | 1981-08-14 | 1985-08-13 | Bentley Laboratories, Inc. | Implant device |
US4537791A (en) * | 1984-03-27 | 1985-08-27 | Cordis Corporation | Carbon coating of grafts or catheters |
US4617024A (en) * | 1982-03-26 | 1986-10-14 | Ernst Leitz Wetzlar Gmbh | Auditory ossicle prosthesis and process for its manufacture |
US4668579A (en) * | 1984-02-01 | 1987-05-26 | The United States Of America As Represented By The Secretary Of The Air Force | Interstitially protected oxidation resistant carbon-carbon composite |
US4846834A (en) * | 1986-05-27 | 1989-07-11 | Clemson University | Method for promoting tissue adhesion to soft tissue implants |
US4871366A (en) * | 1986-05-27 | 1989-10-03 | Clemson University | Soft tissue implants for promoting tissue adhesion to same |
US5037438A (en) * | 1989-07-25 | 1991-08-06 | Richards Medical Company | Zirconium oxide coated prosthesis for wear and corrosion resistance |
US5049409A (en) * | 1985-03-20 | 1991-09-17 | Sharp Kabushiki Kaisha | Method for metal or metal compounds inserted between adjacent graphite layers |
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 |
US5147590A (en) * | 1990-05-02 | 1992-09-15 | Siemens Aktiengesellschaft | Method of making the electrode |
US5152794A (en) * | 1989-07-25 | 1992-10-06 | Smith & Nephew Richards Inc. | Zirconium oxide and nitride coated prothesis for reduced microfretting |
US5180394A (en) * | 1989-07-25 | 1993-01-19 | Davidson James A | Zirconium oxide and nitride coated prosthesis for wear and corrosion resistance |
US5258022A (en) * | 1989-07-25 | 1993-11-02 | Smith & Nephew Richards, Inc. | Zirconium oxide and nitride coated cardiovascular implants |
US5273778A (en) * | 1985-03-20 | 1993-12-28 | Sharp Kabushiki Kaisha | Method for producing graphite intercalation compound |
US5282861A (en) * | 1992-03-11 | 1994-02-01 | Ultramet | Open cell tantalum structures for cancellous bone implants and cell and tissue receptors |
US5282850A (en) * | 1989-07-25 | 1994-02-01 | Smith & Nephew Richards, Inc. | Artificial heart components with wear resistant coatings of reduced thrombogenicity |
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 |
US5509933A (en) * | 1989-12-21 | 1996-04-23 | Smith & Nephew Richards, Inc. | Medical implants of hot worked, high strength, biocompatible, low modulus titanium alloys |
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US5683442A (en) * | 1989-12-21 | 1997-11-04 | Smith & Nephew, Inc. | Cardiovascular implants of enhanced biocompatibility |
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US5954724A (en) * | 1997-03-27 | 1999-09-21 | Davidson; James A. | Titanium molybdenum hafnium alloys for medical implants and devices |
US6596084B1 (en) | 1999-05-20 | 2003-07-22 | Medicalcv, Inc. | Pyrolytic carbon coating apparatus having feed gas actuator |
US6777029B2 (en) | 2002-04-27 | 2004-08-17 | Carbomedics Inc. | Method for determining product coating rates for fluidized beds |
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US20060233944A1 (en) * | 2005-04-19 | 2006-10-19 | Zimmer Technology, Inc. | Method for producing a zirconia-layered orthopedic implant component |
US20070154514A1 (en) * | 2005-12-30 | 2007-07-05 | Demakas John J | Therapeutic Structures |
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US7635447B2 (en) | 2006-02-17 | 2009-12-22 | Biomet Manufacturing Corp. | Method and apparatus for forming porous metal implants |
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Families Citing this family (6)
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US3737919A (en) * | 1971-03-16 | 1973-06-12 | Univ Minnesota | Pivoted disc-type heart valve |
US4101984A (en) * | 1975-05-09 | 1978-07-25 | Macgregor David C | Cardiovascular prosthetic devices and implants with porous systems |
DE2811591C2 (en) * | 1978-03-17 | 1986-08-14 | Sigri GmbH, 8901 Meitingen | Biliary endoprosthesis |
IT1159433B (en) * | 1983-07-25 | 1987-02-25 | Sorin Biomedica Spa | PROCEDURE AND EQUIPMENT FOR THE MANUFACTURE OF VALVE FLAPS FOR CARDIAC VALVE PROSTHESIS AND CARDIAC VALVE PROSTHESIS PROVIDED WITH SUCH FLAPS |
FR2676355A1 (en) * | 1991-05-14 | 1992-11-20 | De Crepy Bruno | Surgical prosthesis for vascular surgery |
WO2020184414A1 (en) | 2019-03-13 | 2020-09-17 | 日本製鉄株式会社 | Method for monitoring welding of electric resistance welded steel pipe, method for manufacturing electric resistance welded steel pipe, device for monitoring welding of electric resistance welded steel pipe, and device for manufacturing electric resistance welded steel pipe |
-
1969
- 1969-05-01 US US821080A patent/US3677795A/en not_active Expired - Lifetime
-
1970
- 1970-04-17 CA CA080,404A patent/CA948352A/en not_active Expired
- 1970-04-23 GB GB09493/70A patent/GB1282685A/en not_active Expired
- 1970-04-30 DE DE2021320A patent/DE2021320C3/en not_active Expired
- 1970-04-30 FR FR7015896A patent/FR2041786A6/fr not_active Expired
- 1970-05-01 JP JP45036916A patent/JPS5014837B1/ja active Pending
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US3900668A (en) * | 1971-07-09 | 1975-08-19 | Atlantic Res Corp | Internal components for gas turbines of pyrolytic graphite silicon carbide codeposit |
US3791852A (en) * | 1972-06-16 | 1974-02-12 | Univ California | High rate deposition of carbides by activated reactive evaporation |
US3877080A (en) * | 1972-10-30 | 1975-04-15 | Atlantic Res Corp | Acicular silicon carbide dispersion in pyrolytic graphite matrix for use in biomedical implants |
US3969130A (en) * | 1973-02-05 | 1976-07-13 | General Atomic Company | Carbon-coated articles and method of making same |
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US4127659A (en) * | 1976-01-02 | 1978-11-28 | Avco Corporation | Silicon carbide filaments and method |
US4126924A (en) * | 1977-02-07 | 1978-11-28 | General Atomic Company | Socket and joint prostheses |
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US5049409A (en) * | 1985-03-20 | 1991-09-17 | Sharp Kabushiki Kaisha | Method for metal or metal compounds inserted between adjacent graphite layers |
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US5690670A (en) * | 1989-12-21 | 1997-11-25 | Davidson; James A. | Stents of enhanced biocompatibility and hemocompatibility |
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US5676632A (en) * | 1989-12-21 | 1997-10-14 | Smith & Nephew Richards, Inc. | Ventricular assist devices of enhanced hemocompatibility |
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US5573401A (en) * | 1989-12-21 | 1996-11-12 | Smith & Nephew Richards, Inc. | Biocompatible, low modulus dental devices |
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US5562730A (en) * | 1989-12-21 | 1996-10-08 | Smith & Nephew Richards, Inc. | Total artificial heart device of enhanced hemocompatibility |
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US5282861A (en) * | 1992-03-11 | 1994-02-01 | Ultramet | Open cell tantalum structures for cancellous bone implants and cell and tissue receptors |
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Also Published As
Publication number | Publication date |
---|---|
FR2041786A6 (en) | 1971-02-05 |
JPS5014837B1 (en) | 1975-05-30 |
GB1282685A (en) | 1972-07-19 |
DE2021320A1 (en) | 1970-11-12 |
DE2021320C3 (en) | 1982-03-04 |
DE2021320B2 (en) | 1979-06-07 |
CA948352A (en) | 1974-06-04 |
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