Patent US5312420A successfully refreshed from Google Patents.
US5312420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical apparatus for removing fasteners
Assignee: LeMaitre Vascular Inc
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Filing: 1992-10-09
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Granted: 1994-05-17
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Expires: 2012-10-09
Abstract
Abstract A surgical apparatus for removing fasteners from the body includes a pair of fastener removing members which are configured and dimensioned to contact the legs of a fastener to be removed. The legs are then forced apart so as to caused the fastener legs to deform to a configuration suitable for removable from the body.
Inventors
- 👤 Kenneth E. Toso
- 👤 Michael Castro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:29
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/076; A61B17/30; A61B90/00; A61B90/03; A61B2090/033; A61B2090/034
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
140 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: first and second elongated members having proximal and distal ends; first and second contacting members having proximal and distal end portions, said first contacting member proximal end portion being pivotally pinned to said first elongated member distal end and said second contacting member proximal end portion being pivotally pinned to said second elongated member distal end; and a pin passing through each said contacting members, said pin defining a common pivot point for said contacting members, wherein when said elongated members are forced towards each other, the proximal end portions of said contacting members are caused to move towards each other and the distal end portions of said contacting members are caused to move away from each other.
Claim 2
Dependent Claim
140 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: first and second elongated members having proximal and distal ends; first and second contacting members having proximal and distal end portions, said first contacting member proximal end portion being pivotally pinned to said first elongated member distal end and said second contacting member proximal end portion being pivotally pinned to said second elongated member distal end; and a pin passing through each said contacting members, said pin defining a common pivot point for said contacting members, wherein when said elongated members are forced towards each other, the proximal end portions of said contacting members are caused to move towards each other and the distal end portions of said contacting members are caused to move away from each other.
Claim 3
Dependent Claim
24 words
An apparatus according to claim 1, wherein each of said contacting members further comprise an angled tip portion disposed on said distal end portions.
Claim 4
Dependent Claim
19 words
An apparatus according to claim 2, wherein said tip portion is angled from the horizontal plane of said apparatus.
Claim 5
Dependent Claim
21 words
An apparatus according to claim 3, wherein said tip portion is angled about 90° from the horizontal plane of said apparatus.
Claim 6
Dependent Claim
12 words
An apparatus according to claim 2, wherein said tip portion is tapered.
Claim 7
Dependent Claim
30 words
An apparatus according to claim 1, wherein said first and second elongated members converge towards their proximal ends and terminate in a single end portion, thereby forming a pivot point.
Claim 8
Dependent Claim
17 words
An apparatus according to claim 6, wherein said first and second elongated members are resiliently biased apart.
Claim 9
Dependent Claim
24 words
An apparatus according to claim 6, wherein said first and second elongated members are at least partially biased apart by a spring disposed therebetween.
Claim 10
Dependent Claim
17 words
An apparatus according to claim 6, further comprising means for limiting the movement of said contacting members.
Claim 11
Dependent Claim
32 words
An apparatus according to claim 9, wherein said limiting means comprises at least one stop member positioned on at least one of said elongated members and extending towards said other elongated member.
Claim 12
Dependent Claim
29 words
An apparatus according to claim 10, wherein when said elongated members are forced together, said at least one stop member contacts the opposing elongated member to limit movement thereof.
Claim 13
Dependent Claim
40 words
An apparatus according to claim 11, wherein said opposing elongated member has at least one recess configured and dimensioned to permit said at least one stop member to at least partially enter therein when said elongated members are forced together.
Claim 14
Dependent Claim
20 words
An apparatus according to claim 9, wherein said limiting means comprises at least one spring disposed between said elongated members.
Claim 15
Dependent Claim
38 words
An apparatus according to claim 13, wherein said opposing elongated member has at least one recess, said at least one recess being configured and dimensioned to permit said at least one spring to at least partially enter therein.
Claim 16
Dependent Claim
39 words
An apparatus according to claim 13, further comprising a stop member positioned on at least one of said elongated members and extending towards said other elongated member, wherein said at least one spring is disposed about said stop member.
Claim 17
Dependent Claim
137 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: a pair of contacting members having proximal and distal end portions, each said contacting members having an angled body portion disposed between said proximal and distal end portions; a pin passing through each said contacting member angled body portion, said pin defining a common pivot point for said contacting members, wherein said distal end portions of said contacting members are disposed in an overlying relationship distal of said pin; and first and second elongated members having proximal and distal ends, wherein one of said contacting members is pivotally secured to the distal end of said first elongated member and the other contacting member is pivotally secured to the distal end of said second elongated member.
Claim 18
Dependent Claim
137 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: a pair of contacting members having proximal and distal end portions, each said contacting members having an angled body portion disposed between said proximal and distal end portions; a pin passing through each said contacting member angled body portion, said pin defining a common pivot point for said contacting members, wherein said distal end portions of said contacting members are disposed in an overlying relationship distal of said pin; and first and second elongated members having proximal and distal ends, wherein one of said contacting members is pivotally secured to the distal end of said first elongated member and the other contacting member is pivotally secured to the distal end of said second elongated member.
Claim 19
Dependent Claim
37 words
An apparatus according to claim 16, wherein said first and second elongated members converge towards their proximal ends and terminate in a single body portion and wherein said first and second elongated members are resiliently biased apart.
Claim 20
Dependent Claim
32 words
An apparatus according to claim 16, wherein when said elongated members are forced towards each other, the distal end portions of said contacting members are caused to move away from each other.
Claim 21
Dependent Claim
26 words
An apparatus according to claim 16, further comprising means for limiting the movement of said contacting members when said elongated members are forced towards each other.
Claim 22
Dependent Claim
32 words
An apparatus according to claim 16, wherein said elongated members further comprise an irregular surface formed in an outer surface of said elongated members to facilitate grasping of said apparatus during use.
Claim 23
Dependent Claim
14 words
An apparatus according to claim 20, wherein said irregular surface comprises a ridged surface.
Claim 24
Independent Claim
145 words
A method of removing a surgical fastener having a pair of legs joined by a backspan comprising: a) providing an apparatus comprising two fastener contacting members configured and dimensioned to contact said fastener legs, said contacting members being pivotally pinned to two biased apart elongated members, said elongated members providing means for moving said contacting members from a first position, wherein the distal ends of said contacting members are disposed in an overlying relationship, to a second position, wherein the distal ends of said contacting members are at least partially spaced apart; b) positioning said apparatus such that said contacting members are located between said fastener legs; and c) forcing together said elongated members to cause said contacting members to move from said first position to said second position, further causing said fastener legs to spread to a configuration suitable for removal from the body.
Claim 25
Independent Claim
145 words
A method of removing a surgical fastener having a pair of legs joined by a backspan comprising: a) providing an apparatus comprising two fastener contacting members configured and dimensioned to contact said fastener legs, said contacting members being pivotally pinned to two biased apart elongated members, said elongated members providing means for moving said contacting members from a first position, wherein the distal ends of said contacting members are disposed in an overlying relationship, to a second position, wherein the distal ends of said contacting members are at least partially spaced apart; b) positioning said apparatus such that said contacting members are located between said fastener legs; and c) forcing together said elongated members to cause said contacting members to move from said first position to said second position, further causing said fastener legs to spread to a configuration suitable for removal from the body.
Claim 26
Dependent Claim
23 words
The method according to claim 22, wherein the step of providing said apparatus further comprises providing elongated members which are resiliently biased apart.
Claim 27
Dependent Claim
24 words
The method according to claim 22, wherein the step of providing said apparatus further comprises providing a spring member disposed between said elongated members.
Claim 28
Dependent Claim
25 words
The method according to claim 22, wherein the step of providing said apparatus further comprises providing means for limiting the movement of said contacting members.
Claim 29
Dependent Claim
46 words
The method according to claim 25, wherein the step of providing said limiting means further comprises providing at least one stop member further comprises providing at least one stop member positioned on at least one of said elongated members and extending towards the other elongated member.
Claim 30
Dependent Claim
128 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: first and second elongated members having proximal and distal ends, each said elongated member proximal ends converging and terminating in a single end portion to form a common pivot point, each said elongated member distal ends being resiliently spaced apart; first and second contacting members having proximal and distal end portions, said first contacting member proximal end portion being secured to said first elongated member distal end and said second contacting member proximal end portion being secured to said second elongated member distal end; and at least one pin passing through each said contacting members, said pin defining a common pivot point for said contacting members.
Claim 31
Dependent Claim
128 words
A surgical apparatus for removing from the body a fastener having a pair of legs joined by a backspan, the apparatus comprising: first and second elongated members having proximal and distal ends, each said elongated member proximal ends converging and terminating in a single end portion to form a common pivot point, each said elongated member distal ends being resiliently spaced apart; first and second contacting members having proximal and distal end portions, said first contacting member proximal end portion being secured to said first elongated member distal end and said second contacting member proximal end portion being secured to said second elongated member distal end; and at least one pin passing through each said contacting members, said pin defining a common pivot point for said contacting members.
Claim 32
Dependent Claim
50 words
An apparatus according to claim 27, wherein when said elongated member distal ends are forced towards each other, the proximal end portions of said contacting members are caused to move towards each other and the distal end portions of said contacting members are caused to move away from each other.
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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) | 1997-05-16 | 1997-11-15 | 1998-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-16 | 2001-11-15 | 2002-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-16 | 2005-11-15 | 2006-05-17 | $7700.00 | Window Closed / Lapsed |