CA1154903A - Bileaflet valve with improved pivot - Google Patents

Bileaflet valve with improved pivot

Info

Publication number: CA1154903A
Authority: CA; Canada
Prior art keywords: leaflets; edge; valve body; heart valve; closed position
Prior art date: 1979-07-30
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

Application number

CA000355273A

Other languages

English (en)

French (fr)

Inventor

Jack C. Bokros

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CARBO MEDICS Inc

Original Assignee

CARBO MEDICS Inc

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.)

1979-07-30

Filing date

1980-07-03

Publication date

1983-10-11

1979-07-30 Priority claimed from US06/061,660 external-priority patent/US4254508A/en

1980-07-03 Application filed by CARBO MEDICS Inc filed Critical CARBO MEDICS Inc

1983-10-11 Application granted granted Critical

1983-10-11 Publication of CA1154903A publication Critical patent/CA1154903A/en

Status Expired legal-status Critical Current

Links

210000003709 heart valve Anatomy 0.000 claims abstract description 22
238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
239000008280 blood Substances 0.000 claims description 17
210000004369 blood Anatomy 0.000 claims description 17
230000036772 blood pressure Effects 0.000 claims description 2
230000017531 blood circulation Effects 0.000 claims 3
230000001154 acute effect Effects 0.000 claims 1
230000000903 blocking effect Effects 0.000 claims 1
230000000295 complement effect Effects 0.000 abstract description 2
210000005069 ears Anatomy 0.000 description 22
239000013598 vector Substances 0.000 description 3
238000005086 pumping Methods 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
210000000709 aorta Anatomy 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
210000002837 heart atrium Anatomy 0.000 description 1
210000005003 heart tissue Anatomy 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000000463 material Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000001453 nonthrombogenic effect Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
238000009958 sewing Methods 0.000 description 1

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

Landscapes

Health & Medical Sciences (AREA)
Cardiology (AREA)
Oral & Maxillofacial Surgery (AREA)
Transplantation (AREA)
Engineering & Computer Science (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Prostheses (AREA)

CA000355273A 1979-07-30 1980-07-03 Bileaflet valve with improved pivot Expired CA1154903A (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US61,660		1979-07-30
US06/061,660 US4254508A (en)	1979-07-30	1979-07-30	Bileaflet heart valve with improved pivot
US14944780A	1980-05-13	1980-05-13
US149,447		1980-05-13

Publications (1)

Publication Number	Publication Date
CA1154903A true CA1154903A (en)	1983-10-11

Family

ID=26741343

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000355273A Expired CA1154903A (en)	1979-07-30	1980-07-03	Bileaflet valve with improved pivot

Country Status (5)

Country	Link
CA (1)	CA1154903A (it)
DE (1)	DE3028981A1 (it)
FR (1)	FR2462149B1 (it)
GB (1)	GB2055452B (it)
IT (1)	IT1128539B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3701704C1 (de) *	1987-01-22	1988-08-18	Braun Melsungen Ag	Herzklappenprothese
DE3828830A1 (de) *	1988-08-25	1990-03-08	Braun Melsungen Ag	Herzklappenprothese
IT1224479B (it) *	1988-10-11	1990-10-04	Sorin Biomedica Spa	Otturatore per protesi valvolari cardiache protesi valvolare cardiaca provvista di un tale otturatore e relativo procedimento di fabbricazione
US5554186A (en) *	1994-12-22	1996-09-10	Baxter International Inc.	Bileaflet mechanical heart valve having cropped slot pivot configuration and method for preventing blood stagnation therein
AU2583200A (en)	1998-12-28	2000-07-31	Andrei Vasilievich Agafonov	Heart valve prosthesis
RU2146906C1 (ru) *	1998-12-28	2000-03-27	Иофис Наум Абрамович	Протез клапана сердца

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3370305A (en) *	1965-05-28	1968-02-27	Goott Bernard	Heart valve with magnetic hinge means
US3448465A (en) *	1966-07-11	1969-06-10	Us Health Education & Welfare	Pivoted butterfly type heart valve
GB1160008A (en) *	1967-12-21	1969-07-30	Rhone Poulenc Sa	Cardiac Valvular Prosthesis
US3579645A (en) *	1969-04-30	1971-05-25	Gulf Energy & Environ Systems	Cardiac valve occluder having a density approximately equal to blood
US3835475A (en) *	1971-03-16	1974-09-17	Univ Minnesota	Pivoting disc-type heart valve with two-piece base
US3903548A (en) *	1973-05-14	1975-09-09	Ahmad Aref Nakib	Heart valve with two valving members
US4078268A (en) *	1975-04-24	1978-03-14	St. Jude Medical, Inc.	Heart valve prosthesis
FR2331997A1 (fr) *	1975-11-19	1977-06-17	Rhone Poulenc Ind	Prothese valvulaire cardiaque
US4114202A (en) *	1977-01-28	1978-09-19	Roy Henry A	Prosthetic valve assembly for use in cardiovascular surgery
DE2846299C2 (de) *	1977-11-02	1983-11-17	St. Jude Medical, Inc., St. Paul, Minn.	Herzklappenprothese
US4178639A (en) *	1978-04-06	1979-12-18	Carbomedics, Inc.	Two-leaflet heart valve

1980
- 1980-07-03 CA CA000355273A patent/CA1154903A/en not_active Expired
- 1980-07-07 GB GB8022163A patent/GB2055452B/en not_active Expired
- 1980-07-24 IT IT49317/80A patent/IT1128539B/it active
- 1980-07-28 FR FR8016555A patent/FR2462149B1/fr not_active Expired
- 1980-07-30 DE DE19803028981 patent/DE3028981A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
IT1128539B (it)	1986-05-28
FR2462149B1 (fr)	1985-01-25
GB2055452A (en)	1981-03-04
FR2462149A1 (fr)	1981-02-13
IT8049317A0 (it)	1980-07-24
DE3028981A1 (de)	1981-02-26
GB2055452B (en)	1983-08-03

Legal Events

Date	Code	Title	Description
2000-10-11	MKEX	Expiry

Publication	Publication Date	Title
CA1147905A (en)	1983-06-14	Heart valve prosthesis
US4357715A (en)	1982-11-09	Heart valve prosthesis
US5354330A (en)	1994-10-11	Heart valve prosthesis
CA1196152A (en)	1985-11-05	Edge guided heart valves
US4178639A (en)	1979-12-18	Two-leaflet heart valve
US4451937A (en)	1984-06-05	Heart valve having ear guided occluders
US4308624A (en)	1982-01-05	Heart valve prosthesis
US4254508A (en)	1981-03-10	Bileaflet heart valve with improved pivot
US5628791A (en)	1997-05-13	Prosthetic trileaflet heart valve
US5522886A (en)	1996-06-04	Heart valve prostheses
US5078739A (en)	1992-01-07	Bileaflet heart valve with external leaflets
US5314467A (en)	1994-05-24	Composite curvature bileaflet prosthetic heart valve with serpentine curve hinge recesses
US4272854A (en)	1981-06-16	Bi-leaflet heart valve
CA1163753A (en)	1984-03-20	Heart valve with pivoted occluder
EP1011539B1 (en)	2005-01-05	Central opening curved bileaflet heart valve prosthesis
US4692165A (en)	1987-09-08	Heart valve
JPS6268454A (ja)	1987-03-28	人工心臓弁
US5908451A (en)	1999-06-01	Prosthetic heart valve
US5116366A (en)	1992-05-26	Prosthetic heart valve
EP0207594B1 (en)	1992-03-25	Heart valve
CA1197057A (en)	1985-11-26	Heart valve
US5123920A (en)	1992-06-23	Prosthetic heart valve
US5192313A (en)	1993-03-09	Heart valve prosthesis with improved bi-leaflet pivot design
US5147390A (en)	1992-09-15	Heart valve prosthesis with improved bi-leaflet pivot design
JPH0468949B2 (it)	1992-11-04