Needle biopsy device

• US 10,076,316 B2
• Filed: 11/17/2015
• Issued: 09/18/2018
• Est. Priority Date: 10/01/2008
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Mugan, John, Murphy, Brian, McWeeney, John O.
• Primary Examiner(s): TOWA, RENE T
• Application Number:
  US14/943,587
• Publication Number:
  US 20160066897A1
• Time in Patent Office: 1,036 Days
• CPC Class Codes: A61B 10/0233 Pointed or sharp biopsy instruments
• CPC Class Codes: A61B 10/0283 with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe A61B10/025, A61B10/0266 take precedence
• CPC Class Codes: A61B 10/04 Endoscopic instruments
• CPC Class Codes: A61B 2010/045 Needles pointed biopsy devices with vacuum aspiration A61B10/0283
• CPC Class Codes: A61B 2017/00424 ergonomic, e.g. fitting in fist
• CPC Class Codes: A61B 2017/3413 guided by ultrasound
• CPC Class Codes: A61B 2090/0801 Prevention of accidental cutting or pricking
• CPC Class Codes: A61B 2090/3925 ultrasonic
• CPC Class Codes: A61B 90/39 Markers, e.g. radio-opaque or breast lesions markers

Abstract

A device for needle biopsy is provided. The device includes a handle member having proximal and distal portions. A proximal handle member is disposed to the proximal portion of the handle member and a distal handle member is disposed to the distal portion of the handle member. A sheath lumen is disposed within the handle member and extends from the distal portion of the handle member. A needle housing member is partially disposed to the proximal portion of the handle member and a needle is disposed within the sheath lumen. A plurality of protrusions are disposed upon the needle.

Claims

1. A device for needle biopsy, comprising:

a handle member having proximal and distal portions;

a proximal handle member disposed to the proximal portion of the handle member, the proximal handle member including at least one adaptation member;

a distal handle member disposed to the distal portion of the handle member;

a sheath lumen disposed within the handle member and extending from the distal portion of the handle member;

a needle housing member partially disposed to the proximal portion of the handle member, wherein a longitudinal axis of the needle housing member is aligned with a longitudinal axis of the handle member, wherein the needle housing member includes at least one indentation and detaches from the proximal handle member by moving in a substantially transverse direction relative to the longitudinal axis of the handle member, thereby causing the at least one indentation to disengage from the at least one adaptation member, and wherein the needle housing member is reinsertable into the proximal portion of the handle member; and

a needle disposed within the sheath lumen.

2. The device of claim 1, further comprising a strain relief member, wherein the strain relief member provides a rigid transition between the at least one adaptation member and the needle to reduce deformation of the needle during removal from the proximal handle member.

3. The device of claim 1, wherein at least a portion of the needle includes materials or design features to enhance echogenicity and ultrasonic visibility.

4. The device of claim 1, wherein the needle further includes a stylet disposed therein.