IT1081483B - Perfezionamento nelle protesi a valvola cardiaca - Google Patents

Perfezionamento nelle protesi a valvola cardiaca

Info

Publication number
IT1081483B
IT1081483B IT48000/77A IT4800077A IT1081483B IT 1081483 B IT1081483 B IT 1081483B IT 48000/77 A IT48000/77 A IT 48000/77A IT 4800077 A IT4800077 A IT 4800077A IT 1081483 B IT1081483 B IT 1081483B
Authority
IT
Italy
Prior art keywords
improvement
cardiac valve
valve prostheses
prostheses
cardiac
Prior art date
Application number
IT48000/77A
Other languages
English (en)
Original Assignee
Mkv Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mkv Corp filed Critical Mkv Corp
Application granted granted Critical
Publication of IT1081483B publication Critical patent/IT1081483B/it

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
    • A61F2/2406—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 without fixed axis
    • 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
    • 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
    • Y10T137/7903—Weight biased

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Check Valves (AREA)
  • External Artificial Organs (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
IT48000/77A 1976-09-13 1977-02-10 Perfezionamento nelle protesi a valvola cardiaca IT1081483B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/722,580 US4021863A (en) 1976-09-13 1976-09-13 Heart valve prosthesis

Publications (1)

Publication Number Publication Date
IT1081483B true IT1081483B (it) 1985-05-21

Family

ID=24902455

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48000/77A IT1081483B (it) 1976-09-13 1977-02-10 Perfezionamento nelle protesi a valvola cardiaca

Country Status (12)

Country Link
US (1) US4021863A (it)
JP (1) JPS5652904Y2 (it)
AU (1) AU499205B2 (it)
BR (1) BR7700905A (it)
CA (1) CA1087802A (it)
DE (1) DE2704353C2 (it)
FR (1) FR2364022A1 (it)
GB (1) GB1533096A (it)
IT (1) IT1081483B (it)
NL (1) NL180475C (it)
NO (1) NO141535C (it)
SE (1) SE424260B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276132A (en) * 1978-01-19 1981-06-30 Shiley Incorporated Electro-chemically machined ring and strut structure for prosthetic heart valves
US4197593A (en) * 1978-03-03 1980-04-15 Kastec Corporation Rotatably positionable heart valve and method
US4343049A (en) * 1979-03-08 1982-08-10 Shiley, Inc. Electro-chemically machined ring and strut structure for prosthetic heart valves
US4319364A (en) * 1979-10-24 1982-03-16 Robert L. Kaster Pivoting disc heart valve
DE3165924D1 (en) * 1980-03-27 1984-10-18 Medtronic Inc Pivoting disc heart valve
US4306319A (en) * 1980-06-16 1981-12-22 Robert L. Kaster Heart valve with non-circular body
AR221550A1 (es) * 1980-10-28 1981-02-13 Bicer D Protesis valvular cardiovascular y procedimiento de fabricacion de la misma
US4488318A (en) * 1982-04-07 1984-12-18 Kaster Robert L Prosthetic heart valve
US4601719A (en) * 1984-02-03 1986-07-22 Mitral Medical International, Inc. Single leaflet valve
SU1243721A1 (ru) * 1984-02-16 1986-07-15 Предприятие П/Я Р-6102 Протез клапана сердца
US4655772A (en) * 1984-09-19 1987-04-07 Liotta Holga E T De Cardiac valvular prosthesis
IT1218947B (it) * 1988-01-12 1990-04-24 Sorin Biomedica Spa Protesi valvolare cardiaca
DE19604881A1 (de) * 1996-02-10 1997-08-14 Klaus Prof Dr Ing Affeld Mechanische Herzklappe
DE69721550T2 (de) * 1996-09-13 2004-03-18 Medtronic, Inc., Minneapolis Herzklappenprothese mit nahtteil aus nicht-gleichförmiger radialer breite
US6797002B2 (en) * 2000-02-02 2004-09-28 Paul A. Spence Heart valve repair apparatus and methods
US20050070999A1 (en) * 2000-02-02 2005-03-31 Spence Paul A. Heart valve repair apparatus and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476143A (en) * 1967-04-17 1969-11-04 Univ Minnesota Pivoting disc heart valve
US3824629A (en) * 1969-03-24 1974-07-23 D Shiley Pivoted discoid heart valve having a changing pivot axis
US3737919A (en) * 1971-03-16 1973-06-12 Univ Minnesota Pivoted disc-type heart valve
US3835475A (en) * 1971-03-16 1974-09-17 Univ Minnesota Pivoting disc-type heart valve with two-piece base
US3959827A (en) * 1972-08-08 1976-06-01 Kaster Robert L Heart valve prosthesis
US3825957A (en) * 1972-08-08 1974-07-30 R Kaster Pivoting disc heart valve with rod guide

Also Published As

Publication number Publication date
NL180475B (nl) 1986-10-01
BR7700905A (pt) 1978-03-28
DE2704353C2 (de) 1985-12-19
NL7701520A (nl) 1978-03-15
FR2364022A1 (fr) 1978-04-07
JPS5652904Y2 (it) 1981-12-10
CA1087802A (en) 1980-10-21
SE424260B (sv) 1982-07-12
NO141535B (no) 1979-12-27
NO141535C (no) 1980-04-09
US4021863A (en) 1977-05-10
DE2704353A1 (de) 1978-03-16
AU2241077A (en) 1978-08-24
FR2364022B1 (it) 1982-05-21
SE7701641L (sv) 1978-03-14
NL180475C (nl) 1987-03-02
AU499205B2 (en) 1979-04-05
GB1533096A (en) 1978-11-22
NO770397L (no) 1978-03-14
JPS5340697U (it) 1978-04-08

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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: 19960227