IT1222840B - Struttura di valvola cardiaca artificiale ad elevato rendimento - Google Patents
Struttura di valvola cardiaca artificiale ad elevato rendimentoInfo
- Publication number
- IT1222840B IT1222840B IT2216787A IT2216787A IT1222840B IT 1222840 B IT1222840 B IT 1222840B IT 2216787 A IT2216787 A IT 2216787A IT 2216787 A IT2216787 A IT 2216787A IT 1222840 B IT1222840 B IT 1222840B
- Authority
- IT
- Italy
- Prior art keywords
- high performance
- valve structure
- cardiac valve
- artificial cardiac
- performance artificial
- Prior art date
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7838—Plural
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7898—Pivoted valves
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2216787A IT1222840B (it) | 1987-10-06 | 1987-10-06 | Struttura di valvola cardiaca artificiale ad elevato rendimento |
US07/249,947 US4878909A (en) | 1987-10-06 | 1988-09-27 | High efficiency cardiac valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2216787A IT1222840B (it) | 1987-10-06 | 1987-10-06 | Struttura di valvola cardiaca artificiale ad elevato rendimento |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8722167A0 IT8722167A0 (it) | 1987-10-06 |
IT1222840B true IT1222840B (it) | 1990-09-12 |
Family
ID=11192495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2216787A IT1222840B (it) | 1987-10-06 | 1987-10-06 | Struttura di valvola cardiaca artificiale ad elevato rendimento |
Country Status (2)
Country | Link |
---|---|
US (1) | US4878909A (it) |
IT (1) | IT1222840B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2239690A (en) * | 1989-12-20 | 1991-07-10 | Cardio Carbon Ltd | Heart valve prosthesis. |
IT1238603B (it) * | 1990-01-25 | 1993-08-18 | Roberto Parravicini | Valvola cardiaca artificiale, con elevatissimo grado di sicurezza |
US5078739A (en) * | 1990-07-20 | 1992-01-07 | Janus Biomedical, Inc. | Bileaflet heart valve with external leaflets |
US6319281B1 (en) | 1999-03-22 | 2001-11-20 | Kumar R. Patel | Artificial venous valve and sizing catheter |
US20030204250A1 (en) * | 2002-04-26 | 2003-10-30 | Demetrio Bicer | Heart valve |
RU2373900C1 (ru) * | 2008-07-23 | 2009-11-27 | Закрытое Акционерное Общество Научно-Производственное Предприятие "Мединж" | Протез клапана сердца |
US10478288B2 (en) * | 2015-09-30 | 2019-11-19 | Clover Life Sciences Inc. | Trileaflet mechanical prosthetic heart valve |
EP3581232B1 (en) * | 2018-06-11 | 2021-02-17 | Dentsply IH AB | Urethral stent and bladder control assembly comprising such a urethral stent |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178638A (en) * | 1977-08-01 | 1979-12-18 | Louis C. Meyer | Split leaflet check valves |
US4357715A (en) * | 1980-01-14 | 1982-11-09 | Hemex Incorporated | Heart valve prosthesis |
IT1129530B (it) * | 1980-01-16 | 1986-06-04 | Roberto Parravicini | Protesi valvolare cardiaca |
US4406022A (en) * | 1981-11-16 | 1983-09-27 | Kathryn Roy | Prosthetic valve means for cardiovascular surgery |
-
1987
- 1987-10-06 IT IT2216787A patent/IT1222840B/it active
-
1988
- 1988-09-27 US US07/249,947 patent/US4878909A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4878909A (en) | 1989-11-07 |
IT8722167A0 (it) | 1987-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971028 |