Surgical retractor having low-friction actuating means and contoured blade arms
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United States of America Patent
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May 24, 2005
Issued Date -
N/A
app pub date -
May 31, 2002
filing date -
Jun 26, 1998
priority date (Note) -
Expired
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Abstract
A retractor for performing surgery, for instance cardiac surgery on the coronary organs of a patient, which has a driving member to which the surgeon input is applied in the form of a mechanical force or torque, a thoracic structure engaging member which interfaces and retracts the patient's thoracic structure when surgeon input is applied to the movable driving member, and a surgeon input load-reducing and load-normalizing mechanism provided in at least one mechanical interface between retractor components where relative motion therebetween occurs. The load-reducing and load-normalizing mechanisms are preferably non-lubricated, thereby tending to ensure an inert and sterile environment during surgery. The retractor is comprised of a locking arrangement allowing a retractor spreader arm to be secured at any longitudinal position along the rack bar, independently of the pinion's position. The thoracic retractor according to this invention tends to improve the efficiency and safety of surgery by reducing the surgeon input required to achieve retraction, and by allowing said input to be applied more uniformly and in a controlled manner free from sudden movements through the normalization of retractor variables.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CORONEO, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cartier, Raymond | Montreal, CA | 29 | 1336 |
Paolitto, Anthony | St. Leonard, CA | 38 | 1331 |
Valentini, Valerio | Montreal, CA | 35 | 1201 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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