Patent WO1985000511A1 successfully refreshed from Google Patents.
US3860005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet for holding heart valve
Assignee: Individual
•
Filing: 1973-09-05
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Granted: 1975-01-14
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Expires: 1993-09-05
Abstract
Abstract A holder for a pivoting disc heart valve used to implant the valve in a heart. The holder has an elongated handle carrying a disposable collet. The collet has a body adapted to be releasably connected to the end of the handle. One end of the body has an enlarged head having a groove for accommodating a portion of the valve disc to hold the disc in the open position. Secured to the head is an elongated flexible band adapted to be positioned over the side arms and disc of the valve to cover the side arms and disc. A portion of the band is attached to the body to hold the band in engagement with the side arms and disc.
Inventors
- 👤 Lawrence Anderson
- 👤 Bruce D Bentzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:05
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
150 words
A collet for holding a heart valve having a base, a passage through the base, a disc positionable in the passage for movement to open and closed positions, and arm means secured to the base cooperating with the disc to retain the disc in assembled relation with the base comprising: a body having a head, said head having a portion engageable with one side of the base, a groove for accommodating a portion of the disc to hold the disc in the open position, an elongated means having a first portion secured to said head, means located in said head to secure the first portion to said head, said elongated means extended through the passage and positionable over the arm means and disc, and means to secure a second portion of the elongated means to the body to hold the elongated means in posiTion over the arm means and disc.
Claim 2
Dependent Claim
150 words
A collet for holding a heart valve having a base, a passage through the base, a disc positionable in the passage for movement to open and closed positions, and arm means secured to the base cooperating with the disc to retain the disc in assembled relation with the base comprising: a body having a head, said head having a portion engageable with one side of the base, a groove for accommodating a portion of the disc to hold the disc in the open position, an elongated means having a first portion secured to said head, means located in said head to secure the first portion to said head, said elongated means extended through the passage and positionable over the arm means and disc, and means to secure a second portion of the elongated means to the body to hold the elongated means in posiTion over the arm means and disc.
Claim 3
Dependent Claim
69 words
The collet of claim 1 wherein: the head has an outwardly directed annular section at one end of the body, said section having an annular portion engageable with one side of the base when the valve is mounted on the collet, said groove being located in one side of the portion of the head and said first portion attached to and extended from the side opposite said one side.
Claim 4
Dependent Claim
92 words
The collet of claim 1 wherein: the head has an opening for accommodating a first portion of the elongated means, said opening in the head being located adjacent said groove, said body having a passage aligned with the opening in the head for receiving a second portion of the elongated means, said means to secure the elongated means in the body extended into the passage in the body and engageable with the second portion of the elongated means to hold the elongated means in position over the arm means and the disc.
Claim 5
Dependent Claim
46 words
The collet of claim 1 wherein: the elongated means is an elongated flexible sheet member having an enlarged section positionable over the arm means and disc and a ribbon section, said means securing the sheet member to the body comprising means engageable with the ribbon section.
Claim 6
Dependent Claim
42 words
The collet of claim 1 wherein: the means located in the head is a member embedded in said head and the elongated means is a sheet member having a portion cooperating with said member to secure the sheet member to the head.
Claim 7
Dependent Claim
29 words
The collet of claim 1 wherein: the body, the head and elongated means are made of plastic material and the means located in the head is a metal member.
Claim 8
Dependent Claim
168 words
A collet for holding a heart valve having a base, a passage through the base, valving means movable for movement to open and closed positions, and means secured to the base cooperating with the valving means to retain the valving means in assembled relation with the base comprising: a body having a portion engageable with one side of the base, said portion having a means for accommodating a portion of the valving means to hold the valving means in the open position, an elongated means having a first portion secured to said body and extended adjacent the portion of the body engageable with one side of the base, means located in said body to secure said first portion to said body, said elongated means extended through the passage in the base and adapted to cooperate with the heart valve to hold the base on the body, said elongated means having an end section, and means engageable with the end section to secure the end section to the body.
Claim 9
Dependent Claim
168 words
A collet for holding a heart valve having a base, a passage through the base, valving means movable for movement to open and closed positions, and means secured to the base cooperating with the valving means to retain the valving means in assembled relation with the base comprising: a body having a portion engageable with one side of the base, said portion having a means for accommodating a portion of the valving means to hold the valving means in the open position, an elongated means having a first portion secured to said body and extended adjacent the portion of the body engageable with one side of the base, means located in said body to secure said first portion to said body, said elongated means extended through the passage in the base and adapted to cooperate with the heart valve to hold the base on the body, said elongated means having an end section, and means engageable with the end section to secure the end section to the body.
Claim 10
Dependent Claim
82 words
The collet of claim 7 wherein: the body has a head with an outwardly directed annular section, said section having an annular portion engageable with one side of the base of the valve when the valve is mounted on the collet, said means for accommodating a portion of the valving means comprising a groove located in one side of the portion of the head and said elongated means attached to and extended from the side opposite said one side of the head.
Claim 11
Dependent Claim
95 words
The collet of claim 8 wherein: said head has an opening for accommodating a first portion of the elongated means, said opening in the head being located adjacent the means for accommodating a portion of the valving means, said body having a passage alinged with the opening in the head for receiving a second portion of the elongated means, said means to secure the elongated means to the body extended into the passage in the body and engageable with the second portion of the elongated means to hold the elongated means in a fixed position.
Claim 12
Dependent Claim
30 words
Th collet of claim 7 wherein: the means for accommodating a portion of the valving means includes a groove in the body for receiving said portion of the valving means.
Claim 13
Dependent Claim
33 words
The collet of claim 7 wherein: the elongated flexible means is an enlongated flexible sheet member having an enlarged section, said end section being an elongated ribbon section attached to the enlarged section.
Claim 14
Dependent Claim
51 words
The collet of claim 7 wherein: said body is a cylindrical member having a longItudinal threaded passage open to a transverse passage, said transverse passage adapted to receive a portion of said end section of the elongated means, said means engageable with the end section being located in the longitudinal passage.
Claim 15
Dependent Claim
80 words
A collet comprising a body having a head, said head having an annular portion and a face, a first groove through said head open to said face, a second groove in said head open to said face adjacent to said first groove, elongated means secured to the head, said elongated means having an end section extended through said first groove, and means engageable with the end section extended through said first groove to secure the end section to the body.
Claim 16
Dependent Claim
80 words
A collet comprising a body having a head, said head having an annular portion and a face, a first groove through said head open to said face, a second groove in said head open to said face adjacent to said first groove, elongated means secured to the head, said elongated means having an end section extended through said first groove, and means engageable with the end section extended through said first groove to secure the end section to the body.
Claim 17
Dependent Claim
23 words
The collet of claim 13 wherein: said body is an elongated cylindrical member having means to attach the body to an elongated handle.
Claim 18
Dependent Claim
20 words
The collet of claim 14 wherein: the head has an outwardly directed annular section at one end of the body.
Claim 19
Dependent Claim
45 words
The collet of claim 13 wherein: said body has a passage aligned with the first groove in the head for receiving the end section of the elongated means, said means engageable with the end section extended into the passage and engageable with the end section.
Claim 20
Dependent Claim
36 words
The collet of claim 16 wherein: said body is a cylindrical member having a longitudinal passage open to said passage in the body, said means engageable with the end section being located in the longitudinal passage.
Claim 21
Dependent Claim
32 words
The collet of claim 13 wherein: the elongated means is an elongated flexible sheet member having an enlarged section, said end section being an elongated ribbon section attached to the enlarged section.
Claim 22
Dependent Claim
36 words
The collet of claim 13 wherein: a member is embedded in said body, the elongated means is a flexible sheet member having a portion cooperating with said member to secure the sheet member to the body.
Claim 23
Dependent Claim
22 words
The collet of claim 19 wherein: the body, head and flexible means are made of plastic material, and said member is metal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |