Method and devices for performing vascular anastomosis
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United States of America Patent
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May 30, 2000
Issued Date -
N/A
app pub date -
Aug 29, 1996
filing date -
Oct 3, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and devices are provided for performing end-to-side anastomoses between the severed end of a first hollow organ and the side-wall of a second hollow organ utilizing transluminal approach with endoscopic assistance, wherein the first and second hollow organs can be secured utilizing a biocompatible glue, clips or by suturing. In an alternative embodiment, the method utilizes a modified cutter catheter which is introduced into the first hollow organ in combination with a receiver catheter which is introduced into the second hollow organ. The distal end of the receiver catheter includes a receiver cavity and a selectively activatable magnetic material. The magnetic material is selected so that it will interact with a magnetically susceptible material disposed in the distal end of the modified cutter catheter when the modified cutter catheter is disposed in proximity to the proposed site for anastomosis whereby the severed end of the first hollow organ is matingly engaged with the sidewall of the second hollow organ. Thereafter, the severed end of the first hollow organ can be attached in sealing engagement with the side-wall utilizing clips, a biocompatible glue, or other suitable methods. The cutter is then activated to remove a portion of the side-wall of the second hollow organ, thereby creating an opening within the region of securement and establishing the anastomosis. In the preferred embodiment, the portion of the sidewall of the second hollow organ is engaged in the receiver cavity by the attractive force between the magnetically susceptible material and the magnetic material. The magnetically susceptible material is then released from the modified cutter catheter and withdrawn along with the portion of the sidewall removed by the cutter when the receiver catheter is withdrawn from the second hollow organ. These methods and devices find particular utility in coronary bypass surgery, including, in particular, where the first hollow organ is the left internal mammary artery (LIMA) and the second hollow organ is the left anterior descending coronary artery (LAD).
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CEDARS-SINAI MEDICAL CENTER
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Barath, Peter A | Oak Brook, IL | 1 | 264 |
Popov, Alexander | Los Angeles, CA | 13 | 670 |
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Maintenance Fees
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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