Patent US3823212A successfully refreshed from Google Patents.
US3598128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead-storing pacer
Assignee: Medtronic Inc
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Filing: 1968-10-28
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Granted: 1971-08-10
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Expires: 1988-10-28
Abstract
Abstract An implantable electrical medical device, especially useful for pediatric implantations, wherein encapsulated electrical circuitry which is adapted to be connected to a lead extending to an electrode connected to the body, has a groove or the like extending around the external periphery of the encapsulating substance, the groove being of sufficient dimension to releasably receive extra lengths of the lead supplied for growth of the body.
Inventors
- 👤 William M Chardack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:43
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02; A; A61; A61B; A61B5/00; A61B5/07; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/372; A61N1/375; A61N1/3752
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
88 words
In electrical medical apparatus for implantation in the body of a living animal and including lead means adapted to connect to electrode means, electrical circuitry means, and connection means for connecting the circuitry means to the lead means, all the means being protected by a substance substantially inert to body fluids and tissue, the improvement comprising: lead storage means in operable connection with the substance protecting the circuitry means for receiving and releasably storing at least a portion of the lead means in addition to the connection means.
Claim 2
Dependent Claim
88 words
In electrical medical apparatus for implantation in the body of a living animal and including lead means adapted to connect to electrode means, electrical circuitry means, and connection means for connecting the circuitry means to the lead means, all the means being protected by a substance substantially inert to body fluids and tissue, the improvement comprising: lead storage means in operable connection with the substance protecting the circuitry means for receiving and releasably storing at least a portion of the lead means in addition to the connection means.
Claim 3
Dependent Claim
32 words
The apparatus of claim 1 in which: the substance protecting the circuitry means is generally disc shaped; and the lead storage means comprises a groove around the edge of the disc-shaped substance,
Claim 4
Dependent Claim
26 words
The apparatus of claim 2 in which: said groove stores at least one length of the lead means below the surface level of the disc-shaped substance.
Claim 5
Dependent Claim
27 words
The apparatus of claim 3 including: a connection aperture in the bottom of the groove through which the lead means extends for connection to the connection means.
Claim 6
Dependent Claim
38 words
The apparatus of claim 4 including: threaded means; a threaded aperture in the bottom of the groove and intersecting the connection aperture; the threaded aperture receiving the threaded means for holding the lead means in the connection aperture.
References Cited (Backward Citations)
US3253595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |