EP0809969A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Bone cutting guide
Assignee: HOWMEDICA INTERNATIONAL S DE RL
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Filing: 1997-05-23
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Granted: —
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Expires: 2017-05-23
Abstract
Abstract Surgical apparatus comprising a base, first and second tissue engaging means mounted on said base and being displaceable towards and away from each other, one of said tissue engaging means being adapted to be orientated by the tissue engaged thereby and guide means adjustable in relation to said base and one of said tissue engaging means for positioning first location means to locate a cutting guide provided with co-operating second location means on a bone to be resectioned.
Inventors
- 👤 Alan Miles Badger's Wood Ashby
- 👤 Mark Alasdair Cowling
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 23:28
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/14; A61B17/15; A61B17/154; A61B17/155; A61B17/157; A61B17/02; A61B17/025; A61B2017/0268
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
78 words
Surgical apparatus comprising a base, first and second tissue engaging means mounted on said base and being displaceable towards and away from each other, one of said tissue engaging means being adapted to be orientated by the tissue engaged thereby and guide means adjustable in relation to said base and one of said tissue engaging means for positioning first location means to locate a cutting guide provided with co-operating second location means on a bone to be resectioned.
Claim 2
Dependent Claim
16 words
Surgical apparatus as claimed in claim 1 in which said guide means include a guide bore.
Claim 3
Dependent Claim
31 words
Surgical apparatus as claimed in claim 2 in which said guide bore is dimensioned to receive said first location means which is an elongate element to be inserted into said bone.
Claim 4
Dependent Claim
19 words
Surgical apparatus as claimed in claim 3 in which said elongate element is a drill, screw, nail or pin.
Claim 5
Dependent Claim
26 words
Surgical apparatus as claimed in claim 3 or claim 4 in which the second location means is provided by a location opening in said cutting guide.
Claim 6
Dependent Claim
33 words
Surgical apparatus as claimed in claim 2 in which said first location means is an opening in said bone which can be formed by an elongate forming means guided through said guide bore.
Claim 7
Dependent Claim
33 words
Surgical apparatus as claimed in claim 6 in which said second location means is provided by an abutment on said cutting guide which is dimensioned to locate in said opening in said bone.
Claim 8
Dependent Claim
34 words
Surgical apparatus as claimed in any one of preceding claims 1 to 7 in which said cutting guide is provided with additional openings to receive attachment elements to further locate it on said bone.
Claim 9
Dependent Claim
42 words
Surgical apparatus as claimed in any one of the preceding claims 1 to 8 in which the tissue engaging means each include a tissue engaging surface, each of said tissue engaging surfaces being arranged so that it faces away from the other.
Claim 10
Dependent Claim
39 words
Surgical apparatus as claimed in any one of the preceding claims 1 to 9 in which said guide means is arranged to move in relation to the base in accordance with movement of one of the tissue engaging surfaces.
Claim 11
Dependent Claim
19 words
Surgical apparatus as claimed in claim 10 in which the guide means are carried by the tissue engaging means.
Claim 12
Dependent Claim
31 words
Surgical apparatus as claimed in claim 10 in which said guide means are movably located on the base and can be moved in only one direction by the tissue engaging means.
Claim 13
Dependent Claim
27 words
Surgical apparatus as claimed in any one of the preceding claims 1 to 12 in which said guide means is carried by a releasable ratchet locking means.
Claim 14
Dependent Claim
35 words
Surgical apparatus as claimed in any one of the preceding claims 1 to 13 in which two guide means are included, arranged in spaced apart relationship in relation to one of said tissue engaging means.
Claim 15
Dependent Claim
76 words
Surgical apparatus as claimed in any one of the preceding claims 1 to 14 in which the first tissue engaging means is located in fixed relationship to the base and said second tissue engagement means can move in relation to said base, said second tissue engaging means comprising a movable head carrying a tissue engaging element provided with a tissue engaging surface and said guide means being carried on or moved by engaging said movable head.
Claim 16
Dependent Claim
28 words
Surgical apparatus as claimed in claim 15 in which said guide means can engage the movable head and is carried on a support movably mounted on the base.
Claim 17
Dependent Claim
32 words
Surgical apparatus as claimed in any one of the preceding claims in which the second tissue engaging means is adapted to be orientated by the tissue engaged thereby, the movement being rotatable.
Claim 18
Dependent Claim
24 words
Surgical apparatus as claimed in claim 17 in which said tissue engaging means is carried by a rotatable spindle mounted in said movable head.
Claim 19
Dependent Claim
22 words
Surgical apparatus as claimed in claim 18 including means for locking said second tissue engaging means in two or more angular positions.
Claim 20
Dependent Claim
52 words
Surgical apparatus as claimed in any one of preceding claims 17, 18 or 19 including measuring means to measure the degree of rotary deflection of said second tissue engaging surface away from a position of parallelism with the first tissue engaging surface when first and second tissue engaging surfaces engage the tissue.
Claim 21
Dependent Claim
29 words
Surgical apparatus as claimed in any one of the preceding claims including means to displace the tissue engaging means away from each other and which include a geared drive.
Claim 22
Dependent Claim
19 words
Surgical apparatus as claimed in claim 21 in which said geared drive mechanism includes a rack and pinion assembly.
References Cited (Backward Citations)
No citation records indexed.
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