Patent US4184183A successfully refreshed from Google Patents.
Patent US5814049A successfully refreshed from Google Patents.
US5814049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for applying suction to bone drilling and reaming operations
Assignee: Kinamed Inc
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Filing: 1995-10-27
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Granted: 1998-09-29
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Expires: 2015-10-27
Abstract
Abstract The tool of the present invention comprises a stem. Cutting teeth extend outward from the stem. The stem has a central, longitudinal passage, connects to a suction or evacuation line. An outlet of the passage is at or near the cutting site. As material is cut, the suction carries the material to the central passage where it is evacuated. In one embodiment, each tooth has a cutting edge and a back side. One or more tubes connect the central passage to the back side of the cutting teeth. Suction from the central passage acts on the tubes to create suction at the cutting site. In another embodiment, the central passage is open at the distal end of the tool. Suction at the distal end cut material toward the distal end of the tool and into the central passage where it is evacuated from the tool.
Inventors
- 👤 Clyde Pratt
- 👤 Roger Carignan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:47
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1659; A61B17/1662; A61B17/1664; A61B17/1666
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
78 words
A surgical method comprising: a. cutting tissue from of a bone with a cutting tool which has plurality of cutting teeth, each cutting tooth having a cutting edge and a back side, the cutting edge removing tissue and pushing the tissue toward the back side of the cutting tooth; b. applying suction to the back side of at least some of the plurality of the cutting teeth while cutting tissue to remove cut tissue from the back side.
Claim 2
Dependent Claim
78 words
A surgical method comprising: a. cutting tissue from of a bone with a cutting tool which has plurality of cutting teeth, each cutting tooth having a cutting edge and a back side, the cutting edge removing tissue and pushing the tissue toward the back side of the cutting tooth; b. applying suction to the back side of at least some of the plurality of the cutting teeth while cutting tissue to remove cut tissue from the back side.
Claim 3
Dependent Claim
64 words
A cutting tool comprising: a. a stem; b. cutting teeth extending outward from the stem, the cutting teeth having a cutting edge and a back side; c. a central passage at least partially through the stem, d. an evacuation line connected to the central passage; and e. a tube extending from the back side of at least one cutting tooth to the central passage.
Claim 4
Dependent Claim
64 words
A cutting tool comprising: a. a stem; b. cutting teeth extending outward from the stem, the cutting teeth having a cutting edge and a back side; c. a central passage at least partially through the stem, d. an evacuation line connected to the central passage; and e. a tube extending from the back side of at least one cutting tooth to the central passage.
Claim 5
Dependent Claim
30 words
The cutting tool of claim 2 wherein the cutting tool has a distal end and a proximal end; the evacuation line being connected to the proximal end of the tool.
Claim 6
Dependent Claim
72 words
The cutting tool of claim 2 wherein the cutting tool has a distal end and a proximal end; an evacuation housing receiving the stem at the proximal end of the cutting tool, the stem rotating relative to the evacuation housing, a manifold between the evacuation housing and the stem, the manifold being operably connected to the central passage; the evacuation line being connected to the evacuation housing and communicating with the manifold.
Claim 7
Dependent Claim
71 words
In a cutting tool for removing tissue, the tool having a stem, cutting teeth on the stem, the cutting teeth having a cutting edge and a back side, wherein the improvement comprises the provision of: a. a central passage at least partially through the stem, b. an evacuation line connected the central passage; c. a tube extending from the back side of at least one cutting tooth to the central passage.
Claim 8
Dependent Claim
71 words
In a cutting tool for removing tissue, the tool having a stem, cutting teeth on the stem, the cutting teeth having a cutting edge and a back side, wherein the improvement comprises the provision of: a. a central passage at least partially through the stem, b. an evacuation line connected the central passage; c. a tube extending from the back side of at least one cutting tooth to the central passage.
Claim 9
Dependent Claim
72 words
The improvement of claim 5 wherein the cutting tool has a distal end and a proximal end; an evacuation housing receiving the stem at the proximal end of the cutting tool, the stem rotating relative to the evacuation housing, a manifold between the evacuation housing and the cutting tool, the manifold being operably connected to the central passage; the evacuation line being connected to the evacuation housing and communicating with the manifold.
Claim 10
Dependent Claim
28 words
The cutting tool of claim 5 wherein each cutting tooth has at least one tube extending from the back side of the cutting tooth to the central passage.
Claim 11
Dependent Claim
45 words
The cutting tool of claim 7 wherein each cutting tooth has at least two cutting faces, each cutting face having a cutting edge and a back side, the cutting tool further comprising a tube extending from the back side of more than one cutting face.
Claim 12
Dependent Claim
16 words
The cutting tool of claim 7 further comprising at least one notch on each cutting edge.
Claim 13
Dependent Claim
41 words
The cutting tool of claim 9 wherein at least two cutting teeth are axially aligned with each other, the notch on the cutting edge of one tooth being circumferentially spaced to the notch on the cutting edge of an adjacent tooth.
Claim 14
Dependent Claim
56 words
A cutting tool comprising: a. a stem; b. cutting teeth extending outward from the stem; c. a central passage at least partially through the stem; and d. suction means extending between the central passage and the outside of the stem at adjacent cutting teeth for passing material cut by the cutting teeth to the central passage.
Claim 15
Dependent Claim
56 words
A cutting tool comprising: a. a stem; b. cutting teeth extending outward from the stem; c. a central passage at least partially through the stem; and d. suction means extending between the central passage and the outside of the stem at adjacent cutting teeth for passing material cut by the cutting teeth to the central passage.
Claim 16
Dependent Claim
38 words
The improvement of claim 11 wherein the cutting tool has a distal end and a proximal end; and rotating means between the stem and the suction means for permitting the stem to rotate relative to the suction means.
Claim 17
Dependent Claim
18 words
The improvement of claim 12, further comprising a sleeve surrounding the stem and rotating relative to the stem.
Claim 18
Dependent Claim
23 words
The improvement of claim 12 wherein the cutting teeth are on a generally hemispherical head attached to the distal end of the stem.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-09-28 | 2002-03-30 | 2002-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-09-28 | 2006-03-30 | 2006-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-09-28 | 2010-03-30 | 2010-09-29 | $7700.00 | Window Closed / Lapsed |