Patent US3144017A successfully refreshed from Google Patents.
Patent US3828787A successfully refreshed from Google Patents.
US3828787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet for holding heart valve
Assignee: Medical Inc
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Filing: 1972-09-08
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Granted: 1974-08-13
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Expires: 1992-09-08
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. Integral with 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
- 👤 L Anderson
- 👤 B Bentzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:35
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
127 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 an annular 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 flexible means secured to the head section, said flexible means positionable over the arm means and disc, and means to secure the flexible means to the body to hold the flexible means in position over the arm means and disc.
Claim 2
Dependent Claim
127 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 an annular 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 flexible means secured to the head section, said flexible means positionable over the arm means and disc, and means to secure the flexible means to the body to hold the flexible means in position over the arm means and disc.
Claim 3
Dependent Claim
23 words
The collet of claim 1 wherein: said body is an elongated cylindrical member having means to attach the body to an elongated handle.
Claim 4
Dependent Claim
41 words
The collet of claim 2 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.
Claim 5
Dependent Claim
74 words
The collet of claim 1 wherein; the head has a passage for accommodating a first portion of the flexible means, said body having a transverse passage for receiving a second portion of the flexible means, said means to secure the flexible means in the body extended into the transverse passage and engageable with the second portion of the flexible means to hold the flexible means in position over the arm means and the disc.
Claim 6
Dependent Claim
46 words
The collet of claim 1 wherein: the elongated flexible means is an elongated flexible sheet member having an enlarged section positionable over the arms and disc and a ribbon section, said means securing the flexible means to the body comprising means engageable with the ribbon section.
Claim 7
Dependent Claim
22 words
The collet of claim 1 wherein: the elongated flexible means is a sheet member having a connecting portion molded into the head.
Claim 8
Dependent Claim
57 words
The collet of claim 1 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 the flexible means, and said means to secure the flexible means being located in the longitudinal passage for holding the flexible means in the transverse passage.
Claim 9
Dependent Claim
18 words
The collet of claim 1 wherein: the body, the head and flexible means are made of plastic material.
Claim 10
Dependent Claim
124 words
A collet for holding a heart valve having a base, a passage through the base, valving means movable 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, elongated flexible means secured to the body and adapted to cooperate with the heart valve to hold the base on the body, said flexible means having an end section, and means engageable with the end section to secure the end section to the body.
Claim 11
Dependent Claim
124 words
A collet for holding a heart valve having a base, a passage through the base, valving means movable 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, elongated flexible means secured to the body and adapted to cooperate with the heart valve to hold the base on the body, said flexible means having an end section, and means engageable with the end section to secure the end section to the body.
Claim 12
Dependent Claim
23 words
The collet of claim 9 wherein: said body is an elongated cylindrical member having means to attach the body to an elongated handle.
Claim 13
Dependent Claim
23 words
The collet of claim 10 wherein: the portion of the body has an outwardly directed annular section at one end of the body.
Claim 14
Dependent Claim
56 words
The collet of claim 9 wherein: the portion of the body has a passage for accommodating a first portion of the flexible means, said body having a transverse passage for receiving the end section of the flexible means, said means engageable with the end section extended into the transverse passage and engageable with the end section.
Claim 15
Dependent Claim
33 words
The collet of claim 9 wherein; the elongated flexible 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 16
Dependent Claim
23 words
The collet of claim 9 wherein: the elongated flexible means is a flexible sheet member having a connecting portion molded into the body.
Claim 17
Dependent Claim
51 words
The collet of claim 9 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 the end section of the flexible means, said means engageable with the end section being located in the longitudinal passage.
Claim 18
Dependent Claim
16 words
The collet of claim 9 wherein: the body, and flexible means are made of plastic material.
Claim 19
Dependent Claim
30 words
The collet of claim 9 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.
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |