US5350382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical cutting guide
Assignee: Individual
•
Filing: 1993-01-05
•
Granted: 1994-09-27
•
Expires: 2013-01-05
Abstract
Abstract A cutting guide is provided for use in human maxillofacial surgery. The cutting guide has a bowed body portion adapted to substantially surround the interior surface of the mandible. The body portion has a substantially planar bottom surface to guide a saw blade to cut the mandible in a straight line, one or more elongated pins adapted for insertion into holes created in the mandible to locate the guide in a desired position on the mandible, and a gripper adapted to be gripped by the surgeon to stabilize the guide means while the cut is performed. The body portion is adapted for placement beneath a neurovascular bundle protruding from the surface of the mandible to avoid contact between the saw blade and the neurovascular bundle while the cut is being made. The body portion also includes retracting means to retract the neurovascular bundle to avoid contact with the saw blade.
Inventors
- 👤 Jerrold E. A. Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:51
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/14; A61B17/15; A61F; A61F2/00; A61F2/02; A61F2/28; A61F2/2803
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
171 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line comprising a substantially planar bottom surface on said body portion; (ii) a means to locate the guide in a desired position on said mandible comprising one or more elongate pins adapted for insertion into holes created in the mandible; (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed; (iv) a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible; and (v) a retracting means to retract a neurovascular bundle protruding from the surface of the mandible to avoid contact with said saw while making said cut, said retracting means comprising a part of said inner periphery closely spaced to said mandible and located beneath said bundle while said cut is being made.
Claim 2
Dependent Claim
171 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line comprising a substantially planar bottom surface on said body portion; (ii) a means to locate the guide in a desired position on said mandible comprising one or more elongate pins adapted for insertion into holes created in the mandible; (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed; (iv) a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible; and (v) a retracting means to retract a neurovascular bundle protruding from the surface of the mandible to avoid contact with said saw while making said cut, said retracting means comprising a part of said inner periphery closely spaced to said mandible and located beneath said bundle while said cut is being made.
Claim 3
Dependent Claim
41 words
The cutting guide of claim 1 wherein said body portion is adapted for placement beneath a neurovascular bundle protruding from the surface of the mandible and to avoid contact between said saw blade and said neurovascular bundle while making said cut.
Claim 4
Dependent Claim
71 words
The cutting guide of claim 2 wherein a first edge of said bottom surface is defined by said bowed inner periphery and a second edge of said bottom surface is defined by an outer periphery of said body portion spaced from said inner periphery away from said mandible, wherein a minimum distance is provided between said first and second edges to avoid rocking of said saw blade while making said cut.
Claim 5
Dependent Claim
19 words
The cutting guide of claim 3 wherein said minimum distance is at least the width of said saw blade.
Claim 6
Dependent Claim
21 words
The cutting guide of claim 1 wherein said retracting means includes a portion of a top surface of said body portion.
Claim 7
Dependent Claim
20 words
The cutting guide of claim 1 wherein said inner periphery has smooth, rounded edges to avoid cutting the neurovascular bundle.
Claim 8
Dependent Claim
20 words
The cutting guide of claim 1 wherein said pins comprise two pins equally spaced on either side of said gripper.
Claim 9
Dependent Claim
15 words
The cutting guide of claim 7 wherein said pins are spaced apart about 1 cm.
Claim 10
Dependent Claim
36 words
The cutting guide of claim 7 wherein each of said pins forms a smooth, slender, tubular shape which is tapered at its end furthest from said gripper to facilitate insertion of said pin into said hole.
Claim 11
Dependent Claim
17 words
The cutting guide of claim 1 wherein said gripper comprises a loop engageable by the user's thumb.
Claim 12
Dependent Claim
24 words
The cutting guide of claim 10 wherein said gripper is located at the apex of said bowed body portion on a top surface thereof.
Claim 13
Dependent Claim
16 words
The cutting guide of claim 1 wherein said body portion has a substantially planar top surface.
Claim 14
Dependent Claim
38 words
The cutting guide of claim 1 wherein said body portion has a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible, said inner periphery having smooth, rounded edges to avoid cutting the neurovascular bundle.
Claim 15
Dependent Claim
112 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line comprising a substantially planar bottom surface on said body portion; (ii) a means to locate the guide in a desired position on said mandible comprising one or more elongate pins adapted for insertion into holes created in the mandible; and (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed comprising a loop engageable by the user's thumb.
Claim 16
Dependent Claim
112 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line comprising a substantially planar bottom surface on said body portion; (ii) a means to locate the guide in a desired position on said mandible comprising one or more elongate pins adapted for insertion into holes created in the mandible; and (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed comprising a loop engageable by the user's thumb.
Claim 17
Dependent Claim
41 words
The cutting guide of claim 14 wherein said body portion is adapted for placement beneath a neurovascular bundle protruding from the surface of the mandible and to avoid contact between said saw blade and said neurovascular bundle while making said cut.
Claim 18
Dependent Claim
85 words
The cutting guide of claim 15 wherein a first edge of said bottom surface is defined by a bowed inner periphery of said body portion adapted for placement adjacent the anterior surface of the mandible, and a second edge of said bottom surface is defined by an outer periphery of said body portion spaced from said inner periphery away from said mandible, wherein a minimum distance is provided between said first and second edges to avoid rocking of said saw blade while making said cut.
Claim 19
Dependent Claim
19 words
The cutting guide of claim 16 wherein said minimum distance is at least the width of said saw blade.
Claim 20
Dependent Claim
35 words
The cutting guide of claim 14 wherein said body portion includes retracting means to retract a neurovascular bundle protruding from the surface of the mandible, to avoid contact with said saw while making said cut.
Claim 21
Dependent Claim
21 words
The cutting guide of claim 18 wherein said retracting means comprises an obstruction between said neurovascular bundle and said guiding means.
Claim 22
Dependent Claim
67 words
The cutting guide of claim 19 wherein said body portion has a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible, and said obstruction comprises a part of said inner periphery adapted to be closely spaced to said mandible and to be located beneath said bundle while said cut is being made, and a portion of a top surface of said body portion.
Claim 23
Dependent Claim
20 words
The cutting guide of claim 14 wherein said pins comprise two pins equally spaced on either side of said gripper.
Claim 24
Dependent Claim
15 words
The cutting guide of claim 21 wherein said pins are spaced apart about 1 cm.
Claim 25
Dependent Claim
36 words
The cutting guide of claim 21 wherein each of said pins forms a smooth, slender, tubular shape which is tapered at its end furthest from said gripper to facilitate insertion of said pin into said hole.
Claim 26
Dependent Claim
24 words
The cutting guide of claim 14 wherein said gripper is located at the apex of said bowed body portion on a top surface thereof.
Claim 27
Dependent Claim
16 words
The cutting guide of claim 14 wherein said body portion has a substantially planar top surface.
Claim 28
Dependent Claim
87 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line; (ii) a means to locate the guide in a desired position on said mandible; and (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed comprising a loop engageable by the user's thumb.
Claim 29
Dependent Claim
87 words
A cutting guide for use in human maxillofacial surgery comprising a bowed body portion adapted to substantially surround the anterior surface of the mandible, said body portion having: (i) a means for guiding a saw blade to cut said mandible in a straight line; (ii) a means to locate the guide in a desired position on said mandible; and (iii) a gripper adapted to be gripped by a user to stabilize said guide means while said cut is performed comprising a loop engageable by the user's thumb.
Claim 30
Dependent Claim
25 words
The cutting guide of claim 26 wherein said locating means includes one or more elongate pins adapted for insertion into holes created in the mandible.
Claim 31
Dependent Claim
20 words
The cutting guide of claim 27 wherein said guiding means comprises a substantially planar bottom surface on said body portion.
Claim 32
Dependent Claim
41 words
The cutting guide of claim 28 wherein said body portion is adapted for placement beneath a neurovascular bundle protruding from the surface of the mandible and to avoid contact between said saw blade and said neurovascular bundle while making said cut.
Claim 33
Dependent Claim
85 words
The cutting guide of claim 29 wherein a first edge of said bottom surface is defined by a bowed inner periphery of said body portion adapted for placement adjacent the anterior surface of the mandible, and a second edge of said bottom surface is defined by an outer periphery of said body portion spaced from said inner periphery away from said mandible, wherein a minimum distance is provided between said first and second edges to avoid rocking of said saw blade while making said cut.
Claim 34
Dependent Claim
19 words
The cutting guide of claim 30 wherein said minimum distance is at least the width of said saw blade.
Claim 35
Dependent Claim
16 words
The cutting guide of claim 28 wherein said body portion has a substantially planar top surface.
Claim 36
Dependent Claim
35 words
The cutting guide of claim 26 wherein said body portion includes retracting means to retract a neurovascular bundle protruding from the surface of the mandible to avoid contact with said saw while making said cut.
Claim 37
Dependent Claim
21 words
The cutting guide of claim 33 wherein said retracting means comprises an obstruction between said neurovascular bundle and said guiding means.
Claim 38
Dependent Claim
56 words
The cutting guide of claim 34 wherein said body portion has a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible and said obstruction comprises a part of said inner periphery adapted to be closely spaced to said mandible and to be located beneath said bundle while said cut is being made.
Claim 39
Dependent Claim
21 words
The cutting guide of claim 35 wherein said obstruction further includes a portion of a top surface of said body portion.
Claim 40
Dependent Claim
45 words
The cutting guide of claim 26 wherein said body portion has a bowed inner periphery adapted for placement adjacent the anterior surface of the mandible, said inner periphery having smooth, rounded edges to avoid cutting a neurovascular bundle protruding from the surface of the mandible.
Claim 41
Dependent Claim
20 words
The cutting guide of claim 27 wherein said pins comprise two pins equally spaced on either side of said gripper.
Claim 42
Dependent Claim
15 words
The cutting guide of claim 38 wherein said pins are spaced apart about 1 cm.
Claim 43
Dependent Claim
36 words
The cutting guide of claim 38 wherein each of said pins forms a smooth, slender, tubular shape which is tapered at its end furthest from said gripper to facilitate insertion of said pin into said hole.
Claim 44
Dependent Claim
24 words
The cutting guide of claim 26 wherein said gripper is located at the base of said bowed body portion on a top surface thereof.
References Cited (Backward Citations)
US2362741A
Cited
US3577855A
Cited
US4211228A
Cited
US4335715A
Cited
US4342309A
Cited
US4515154A
Cited
US4672957A
Cited
US5002547A
Cited
US4836779A
Cited
US5049149A
Cited
US5112334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-09-26 | 1998-03-28 | 1998-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-09-26 | 2002-03-28 | 2002-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-09-26 | 2006-03-28 | 2006-09-27 | $7700.00 | Window Closed / Lapsed |