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Occlusion Remover and Method

a technology of occlusion and remover, which is applied in the field of removal devices, can solve the problems of not being widely used, compromising safety, and tying costs low

Inactive Publication Date: 2010-05-06
GENESIS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The solution reduces costs, simplifies the procedure, enhances safety, and achieves high effectiveness in removing occlusions while minimizing tissue trauma and maintaining a familiar procedure for medical professionals.

Problems solved by technology

A device, even though it performs a function in some improved manner, will not be widely used if it is considerably more costly than the alternatives available.
It will also tend to keep cost low.
Extreme simplicity and a very simple procedure might over compromise safety.

Method used

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  • Occlusion Remover and Method
  • Occlusion Remover and Method

Examples

Experimental program
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Embodiment Construction

[0044]FIG. 1 shows a typical synthetic graft 10 used in hemodialysis. The graft extends between a vein 12 and an artery 14. The graft 10 may be about thirty centimeters long with an inner diameter (I.D.) of 6 or 7 millimeters. A catheter 16 is inserted through the wall of the graft or vessel. Typically the catheter might have an outside diameter (O.D.) of 2.7 mm and an inner diameter (LD.) of 2.3 mm A malecot type expansion device 18 is covered with a membrane 20 (see FIG. 4). When expanded, it serves to block the annular space between the outside wall of the catheter 16 and the graft 10. A support wire 22 for a braided removal mechanism 24 will typically have an outside diameter of about one mm and has an internal actuator rod 26 (see FIG. 2) of approximately 0.5 mm. Because of the simplicity of the design, this outside diameter could be smaller than 0.5 mm. In FIG. 1, the malecot type blocking device 18 and the braided removal device 24 are both shown in their expanded state and a...

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Abstract

An occlusion may be removed from a graft or other body passageway using occlusion removing apparatus, comprising a catheter having a lumen through which an elongated occlusion engaging element can pass and a blocking mechanism at the open distal end thereof. The catheter is inserted into the body passageway with the blocking mechanism radially compressed during insertion. The blocking mechanism is radially expanded to near to the wall of the body passageway after insertion. After radially expanding the blocking mechanism, the occlusion engaging element is advanced into the occlusion. The expanded state of the blocking mechanism is used for blocking proximal passage of occlusion material around the outside of the catheter. Occlusion material may be moved proximally through the open end and into the lumen. The distal end of the occlusion engaging element may have an engagement mechanism, such as a balloon.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of Medical Devices and Methods, application Ser. No. 12 / 477,371 filed 3 Jun. 2009, attorney docket number GTEC 1004-1, which is a continuation in part of Body Passageway Occluder and Method, application Ser. No. 10 / 765,564 filed 27 Jan. 2004, attorney docket number GTEC 1001-5, which is a continuation of Tissue Removal Device and Method, application Ser. No. 09 / 819,350 filed 28 Mar. 2001, which is a continuation of Biological Passageway Occlusion Removal, application Ser. No. 09 / 189,547 filed 11 Nov. 1998, now U.S. Pat. No. 6,238,412 issued May 29, 2001, which claims the priority of U.S. Provisional Application, Ser. No. 60 / 065,118, filed on Nov. 12, 1997. The disclosures of each are incorporated by reference.[0002]Application Ser. No. 12 / 477,371 is a continuation in part of Biological Passageway Occlusion Removal, application Ser. No. 10 / 747,813 filed 29 Dec. 2003 attorney docket number GTEC 1001-4, whi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B17/22
CPCA61B6/502A61B10/02A61B10/0266A61B17/11A61B17/12022A61B17/12109A61B17/12113A61B17/12172A61B17/22004A61B17/221A61B17/32056A61B17/3421A61B18/14A61B2017/00287A61B2017/1107A61B2017/1135A61B2017/1205A61B2017/22034A61B2017/22067A61B2017/22079A61B2017/2212A61B2018/1407A61B17/12122A61M25/104A61B2017/00955A61B2017/2215A61M25/0119A61B2090/3904A61B2090/3962A61B90/40A61B90/39A61B2090/3908
Inventor DUBRUL, WILLIAM R.FULTON, III, RICHARD EUSTIS
Owner GENESIS TECH
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