US3800784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical instrument for examining a fetus during delivery
Assignee: Medicor Muvek
•
Filing: 1972-07-11
•
Granted: 1974-04-02
•
Expires: 1992-07-11
Abstract
Abstract A medical instrument for examining a fetus during delivery, comprising an electrode carried by a normally closed clip spring for connection to the fetus, and an electrode for engaging the mother, both electrodes being connected to wires that extend through an electric cable. A tool slides on the cable and has filaments connected to it such that when the tool is pulled toward the user, the filaments spread the springs to open and release the device; and when the tool is released, then it is pulled forward on the cable by the filaments and permits the spring to close on the fetus for connection or for insertion and removal of the instrument.
Inventors
- 👤 J Kiszel
- 👤 L Papp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/271; A61B5/273
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
120 words
A medical instrument for examining a fetus during delivery, comprising a first electrode in the form of a clip, spring means urging the clip closed for attachement to the fetus, a second electrode for contacting the mother, a cable on which said first and second electrodes are carried, separate electric wires extending through said cable from said first and second electrodes, a tool slidable on the cable, and filament means interconnecting said first electrode and said tool whereby upon sliding of the tool away from said electrodes, said filament means opens the clip of said first electrode and upon release of said tool, said spring means closes said first electrode and draws said tool toward said electrodes on said cable.
Claim 2
Dependent Claim
120 words
A medical instrument for examining a fetus during delivery, comprising a first electrode in the form of a clip, spring means urging the clip closed for attachement to the fetus, a second electrode for contacting the mother, a cable on which said first and second electrodes are carried, separate electric wires extending through said cable from said first and second electrodes, a tool slidable on the cable, and filament means interconnecting said first electrode and said tool whereby upon sliding of the tool away from said electrodes, said filament means opens the clip of said first electrode and upon release of said tool, said spring means closes said first electrode and draws said tool toward said electrodes on said cable.
Claim 3
Dependent Claim
25 words
An instrument as claimed in claim 1, said clip having a pair of jaws, said spring means comprising a spring for each of said jaws.
Claim 4
Dependent Claim
13 words
An instrument as claimed in claim 2, both of said jaws being electrodes.
Claim 5
Dependent Claim
14 words
An instrument as claimed in claim 1, in which said second electrode is annular.
Claim 6
Dependent Claim
14 words
An instrument as claimed in claim 1, in which said filament means is flexible.
Claim 7
Dependent Claim
23 words
An instrument as claimed in claim 1, said filament means being a pair of flexible members one connected to each of said jaws.
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |