Dennis W Coombs

US Patent:

48081574, Feb 28, 1989

Filed:

Jul 13, 1987

Appl. No.:

7/072428

Inventors:

Dennis W. Coombs - Etna NH

Assignee:

Neuro Delivery Technology, Inc. - Tempe AZ

International Classification:

A61M 532

US Classification:

604 44

Abstract:

The needle of the present invention is a multi-lumen needle and preferably a dual-lumen epidural-spinal needle. The needle of the present invention is provided with a hub, which allows for attachment of a syringe to one or more of the lumina, or alternatively the attachment of an adapter to which a syringe can be attached. Preferably the lumina have different cross sectional areas. The smaller of the lumina should be of sufficient size to allow a spinal neelde, guide wire, or micro-catheter to be inserted through the lumen. The larger of the two lumina should preferably be of sufficient size to allow an epidural catheter, spinal needle or guide wire to be introduced. The needle of the present invention has applications of regional anesthesia, chronic and post operative pain management, cricothyroid puncture, intracerebroventricular puncture and, access and drainage of concealed fluid collections within the body.

US Patent:

49589016, Sep 25, 1990

Filed:

Feb 27, 1989

Appl. No.:

7/316037

Inventors:

Dennis W. Coombs - Etna NH

Assignee:

Neurodelivery Technology, Inc. - Tempe AZ

International Classification:

A61M 300

US Classification:

604 44

Abstract:

The present invention discloses a method for producing a multi-lumen needle suitable for administrating spinal anesthesia. The method will provide a needle that will allow the simultaneous administration of spinal and epidural anesthetic from a single site. A preferred needle made by this method can optionally be made with a stock configuration which has means for holding a catheter during the insertion of a spinal needle and is configured so as to provide gripping sites to assist in positioning the needle. The preferred needle of the present invention has a lumen which can serve as a spinal introducer. The introducer lumen sheaths the spinal needle until the spinal needle is in the epidural space. This assures that the spinal needle will not be bent or fractured in use by impingement with bone or hard tissue.

US Patent:

D3534545, Dec 13, 1994

Filed:

Oct 15, 1992

Appl. No.:

D/000491

Inventors:

Dennis W. Coombs - Etna NH

Assignee:

Neurodelivery Technology, Inc. - Lebanon NH

US Classification:

D24112

Author:

Dennis W. Coombs

ISBN #:

0792303741