Daniel P Bacon

US Patent:

20110046512, Feb 24, 2011

Filed:

Aug 9, 2010

Appl. No.:

12/852938

Inventors:

Daniel BACON - Fitchburg MA, US
John Griego - Blackstone MA, US
Michal Weisman - Fairlawn NJ, US

International Classification:

A61B 10/02

US Classification:

600566

Abstract:

A device for gathering tissue samples includes a needle defining a distal tissue penetrating tip. The needle includes an increased diameter proximal portion extending proximally from the distal tip. An outer diameter of the distal tip is smaller than an outer diameter of the proximal portion. The needle defines a lumen extending therethrough from a distal opening in the distal tip thereof to a proximal opening at a proximal end thereof. The lumen includes a distal portion having a first inner diameter and a proximal portion having a second diameter greater than the first diameter. The device also includes a stylet slidably received within the lumen. An outer diameter of a distal portion of the stylet is substantially equal to the inner diameter of the distal portion of the lumen so that, when the stylet is in an extended position extending to the distal opening of the lumen, the lumen is substantially sealed thereby, and when, in a retracted position in which a distal end of the stylet is received within the proximal portion of the lumen, an annular space surrounding the stylet defines an aspiration path for samples exiting the distal portion of the lumen.

US Patent:

20230110289, Apr 13, 2023

Filed:

Dec 14, 2022

Appl. No.:

18/065922

Inventors:

- Maple Grove MN, US
Robert DeVRIES - Northborough MA, US
Michal WEISMAN - Winchester MA, US
Shawn RYAN - Littleton MA, US
Daniel BACON - Fitchburg MA, US

International Classification:

A61B 1/00
A61B 1/018
A61B 10/04

Abstract:

A handle for a medical device includes a proximal segment defining a proximal lumen extending therethrough and sized and shaped to receive an endoscopic medical device therein. A medial segment is received within a distal portion of the proximal segment and has an outer diameter smaller than an inner diameter thereof. A medial lumen extends through the proximal segment and is open to the proximal lumen. A distal segment is received within a distal portion of the medial segment and defines a distal lumen extending therethrough open to the medial lumen. The distal segment has an outer diameter smaller than an inner diameter of the medial segment. The medial segment includes a first movement limiting mechanism limiting movement of an endoscopic medical device inserted therethrough along an axis of the distal lumen and a second movement limiting mechanism limiting advancement of an endoscope attached to the distal body portion.