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 Title: |
US5022414:
Tissue separator method
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Muller, George H.; Ann Arbor, MI
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| Assignee: |
Berke; Joseph J., Detroit, MI
A.I.R. Foundation, Ann Arbor, MI
Detroit Neurosurgical Foundation, Detroit, MI
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| Published / Filed: |
1991-06-11
/ 1986-06-16
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| Application Number: |
US1986000874445
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| IPC Code: |
Advanced:
A61B 17/00;
A61B 19/00;
A61B 17/32;
Core:
more...
IPC-7:
A61B 17/00;
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| ECLA Code: |
A61B17/00; A61B19/00; K61B17/00N4; K61B17/32H; K61B17/3203G;
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| U.S. Class: |
Current:
128/898;
606/190;
Original:
128/898;
606/190;
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| Field of Search: |
128/304,305,305.1,310,755,24 A,20,303 R,898
604/022
015/405,316 R
222/003
239/DIG. 21,DIG. 20,DIG. 22
030/123.3
606/190
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| Priority Number: |
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| Abstract: |
A method of and structure for separating tissue. The method comprises the step of directing a fluid medium under pressure from a tissue separator including a floating tip at the tissue while floating the tip of the separator on the fluid medium. The tissue may be living tissue and in accordance with the method of the invention may be separated along natural cleavage planes. The fluid medium may be a gas or liquid and may be regulated in pressure and formed in pulses. It may be passed around and/or through the floating tip. The tissue to be separated may also be nudged by the floating tip. The fluid medium may be treated water from a municipal water supply or separate container and may be passed over a high surface to fluid interacting soap-like, replaceable cartridge made of at least one of an abrading, cleansing, polishing, and geriocidal material within the tissue separator structure prior to being directed at the tissue to be separated. The tissue separator, in addition to including a floating tip and means for performing the above method steps, may also include means for suctioning from the area of the tissue being or to be separated.
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| Primary / Asst. Examiners: |
Thaler, Michael H.;
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Parent Case: |
CROSS REFERENCE TO RELATED APPLICATION
This Application is a Contiuation in Part of application Ser. No. 582,971, filed Nov. 21, 1983, now U.S. Pat. No. 4,709,697, which is a Contiuation of appliction Ser. No. 214,006, filed Dec. 9, 1980, now abandoned, which is a Continuation in Part of application Ser. No. 103,206, filed Dec. 13, 1979, now U.S. Pat. No. 4,357,940.
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| Family: |
Show 8 known family members
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First Claim:
Show all 24 claims |
I claim:
1. A method of use of a tissue separator having a tip which floats relative to the rest of the tissue separator comprising the step of directing a fluid medium under pressure from the tissue separator at the tissue while floating the tip of the tissue separator relative to the rest of the tissue separator on the fluid medium.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 8 U.S. patent(s) that reference this one
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