US3895636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible forceps
Assignee: Individual
•
Filing: 1973-09-24
•
Granted: 1975-07-22
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Expires: 1993-09-24
Abstract
Abstract Flexible forceps including a flexible sheath having a flexible element extending therethrough, a handle on one end for moving said flexible element axially and a pair of jaws on the other end pivoted to a sleeve joined to the sheath and to a trocar assembly connected to the flexible element and slidably disposed in said sleeve.
Inventors
- 👤 William Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:29
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/06; A61B17/00; A61B17/32; A61B17/3205; A61B17/32053; A61B17/28; A61B17/29; A61B2017/2926; A61B2017/2932; A61B2017/2939; A61B2017/294; A61B2017/320064
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
161 words
Flexible forceps comprising an elongated flexible tubular member having proximal and distal ends, a flexible element extending through and slidably disposed within said tubular member, the distal end of said tubular member including a jaw assembly comprising a sleeve secured to and extending from the end of said tubular member, a trocar assembly including a cylindrical member slidably disposed within said sleeve and secured to the distal end of said flexible element, a trocar carried by said cylindrical member and extending therefrom, a pair of hollow hemispherical jaws each having a rearwardly extending supporting member, means pivoting the supporting members to said sleeve for movement of the jaws between open and closed positions, means coupling said supporting members to said trocar assembly so that movement of said assembly in one direction will open said jaws and movement in the other direction will close said jaws and means on the proximal end for moving said flexible element relative to said tubular member.
Claim 2
Dependent Claim
161 words
Flexible forceps comprising an elongated flexible tubular member having proximal and distal ends, a flexible element extending through and slidably disposed within said tubular member, the distal end of said tubular member including a jaw assembly comprising a sleeve secured to and extending from the end of said tubular member, a trocar assembly including a cylindrical member slidably disposed within said sleeve and secured to the distal end of said flexible element, a trocar carried by said cylindrical member and extending therefrom, a pair of hollow hemispherical jaws each having a rearwardly extending supporting member, means pivoting the supporting members to said sleeve for movement of the jaws between open and closed positions, means coupling said supporting members to said trocar assembly so that movement of said assembly in one direction will open said jaws and movement in the other direction will close said jaws and means on the proximal end for moving said flexible element relative to said tubular member.
Claim 3
Dependent Claim
17 words
Flexible forceps according to claim 1, wherein retraction of said trocar assembly effects closure of said jaws.
Claim 4
Dependent Claim
18 words
Flexible forceps according to claim 1, wherein said jaws are provided with cutting edges about the peripheries thereof.
Claim 5
Dependent Claim
25 words
Flexible forceps according to claim 1, wherein said jaws each include hemispherical inserts which protrude from the edges of said cups and form cutting edges.
Claim 6
Dependent Claim
56 words
Flexible forceps according to claim 1, wherein said jaws each include hemispherical inserts which protrude from the edges of said cups and form cutting edges, the cutting edge of at least one of said cups defining a helix whereby one of said cutting edges slidably engages the other cutting edge to produce a shearing-like cutting action.
Claim 7
Dependent Claim
30 words
Flexible forceps according to claim 1, wherein the means coupling the supporting means to said trocar assembly comprises a pin engaging aligned openings in said supporting means and said trocar.
Claim 8
Dependent Claim
30 words
Flexible forceps according to claim 1, wherein the means coupling the supporting means to said trocar assembly comprises cooperating engagable elements carried by said supporting means and said trocar assembly.
Claim 9
Dependent Claim
70 words
Flexible forceps according to claim 7, wherein said cooperating engagable means comprises pairs of studs extending from opposite sides of said trocar and angularly spaced notches carried by each of said supporting means and positioned equidistant from the first said pivotal means, the notches in each of said supporting means engaging successive studs upon axial movement of the trocar assembly to move said jaws between the open and closed positions.
Claim 10
Dependent Claim
107 words
Flexible forceps according to claim 1, wherein said means on the proximal end of said tubular member includes a sleeve-like member having an enlarged end portion secured to said tubular member with the enlarged portion extending outwardly, a pair of spaced rods secured to and extending outwardly of said sleeve-like member, an actuating rod extending through and slidably engaging said sleeve-like member, the last said rod lying between said pair of rods and secured to said flexible element, an actuating element slidably carried by said pair of rods and secured to said actuating rod and a handle secured to the outer ends of said pair of rods.
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) | 1978-07-21 | 1979-01-20 | 1979-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-21 | 1983-01-20 | 1983-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-21 | 1987-01-20 | 1987-07-22 | $7700.00 | Window Closed / Lapsed |