Patent US3254645A successfully refreshed from Google Patents.
US3254645A
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Reciprocating heart resuscitation device means for adjusting pressure
Assignee: Rand Development Corp
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Filing: 1962-04-20
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Granted: 1966-06-07
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Henry J Rand
- 👤 John J Nawalanic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/004; A61H31/005; A61H31/006; A61H31/008; A61H2201/00; A61H2201/01; A61H2201/0173; A61M; A61M16/00; A61M16/10; A61M2202/00; A61M2202/02; A61M2202/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
APPARATUS FOR ARTIFICIALLY EFFECTING PERFUSION IN A HEART WHICH HAS CEASED BEATING, COMPRISING A PRESSURE APPLICATOR, MEANS FOR SUPPORTING SAID APPLICATOR IN A POSITION EXTERIORLY OF THE BODY OF A PATIENT AND SUBSTANTIALLY DIRECTLY OVER THE BREASTBONE OF THE PATIENT, AND POWER MEANS RHYTHMICALLY MOVING SAID PRESSURE APPLICATOR ALTERNATELY DOWNWARDLY AND UPWARDLY AT A RATE APPROXIMATELY EQUAL TO THE NORMAL RATE OF HEART BEAT AND WITH A STROKE OF SUFFICIENT AMPLITUDE TO ALTERNATELY DEPRESS AND RELEASE THE BREASTBONE AND THEREBY CAUSE AN ARTIFICIAL PUMPING ACTION OF THE HEART, THERE BEING MEANS TO ADJUST THE FORCE APPLIED BY SAID APPLICATOR IN A SMOOTHLY GRADU-
Claim 2
Dependent Claim
103 words
APPARATUS FOR ARTIFICIALLY EFFECTING PERFUSION IN A HEART WHICH HAS CEASED BEATING, COMPRISING A PRESSURE APPLICATOR, MEANS FOR SUPPORTING SAID APPLICATOR IN A POSITION EXTERIORLY OF THE BODY OF A PATIENT AND SUBSTANTIALLY DIRECTLY OVER THE BREASTBONE OF THE PATIENT, AND POWER MEANS RHYTHMICALLY MOVING SAID PRESSURE APPLICATOR ALTERNATELY DOWNWARDLY AND UPWARDLY AT A RATE APPROXIMATELY EQUAL TO THE NORMAL RATE OF HEART BEAT AND WITH A STROKE OF SUFFICIENT AMPLITUDE TO ALTERNATELY DEPRESS AND RELEASE THE BREASTBONE AND THEREBY CAUSE AN ARTIFICIAL PUMPING ACTION OF THE HEART, THERE BEING MEANS TO ADJUST THE FORCE APPLIED BY SAID APPLICATOR IN A SMOOTHLY GRADU-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |