Biopsy device with slide-in probe

Patent metadata

Field	Value
Publication number	US-9486186-B2
Application number	US-201213693671-A
Country	US
Kind code	B2
Filing date	Dec 4, 2012
Priority date	Dec 5, 2011
Publication date	Nov 8, 2016
Grant date	Nov 8, 2016

Abstract

An exemplary ultrasound biopsy device includes a probe and a holster. The probe is insertable into the holster to form a completed assembly. To assemble the probe to the holster, the probe is initially slid laterally onto the holster and then slid forward to latch the probe into engagement with the holster. The holster is coupled to a vacuum control module by one or more conduits and a power cable. The conduits and/or power cable may be retracted into the vacuum control module. The probe of the biopsy device includes a blade assembly at the distal end. The blade assembly comprises a blade that snaps onto a nosecone via a pair of resilient notched ends. A frictional fitting needle cover can be inserted over the needle and blade assembly to protect the user from the sharp blade.

First claim

We claim:

1. A biopsy device, comprising:
(a) a probe portion, wherein the probe portion comprises:
(i) a probe body,
(ii) a needle extending distally from the probe body,
(iii) a cutter movable relative to the needle to sever tissue,
(iv) a tissue sample holder, and
(v) a holster receiving portion oriented on an exterior surface of the probe body, wherein the holster receiving portion comprises a top receiving portion; and

(b) a holster portion, wherein the holster portion comprises:
(i) a holster body, wherein the holster body includes a probe securing feature, wherein the probe securing feature includes an upright portion extending from an upper external surface of the holster body and an overhang portion extending transversely from the upright portion, wherein the upright portion and the overhang portion define a gap and are configured to partially encompass at least part of the top receiving portion of the holster receiving portion of the probe body within the gap, wherein the top receiving portion of the holster receiving portion is configured to directly abut the overhang portion and is adjacent to the upright portion when partially encompassed within the overhang portion and the upright portion,
(ii) at least one button, wherein the at least one button is disposed on the overhang portion of the probe securing feature such that the at least one button is positioned for activation from a distal end of the holster body, and
(iii) a cutter drive feature operable to drive the cutter.

2. The biopsy device of claim 1 , wherein the holster body includes a proximal portion and a distal portion, wherein the probe securing feature is located at the distal portion of the holster body.

3. The biopsy device of claim 1 , wherein the probe securing feature is configured to enable the probe body to slide longitudinally relative to the holster body for receipt of the at least part of the probe body in the probe securing feature.

4. The biopsy device of claim 1 , further comprising a latch, wherein the latch is configured to secure the longitudinal position of the probe body relative to the holster body upon receipt of the at least part of the probe body in the probe securing feature.

5. The biopsy device of claim 4 , wherein the probe securing feature is configured to prevent distal and lateral movement of the probe body relative to the holster portion upon receipt of the at least part of the probe body in the probe securing feature, wherein the latch is configured to prevent proximal movement of the probe body relative to the holster portion upon receipt of the at least part of the probe body in the probe securing feature.

6. The biopsy device of claim 1 , wherein the probe portion further includes a first cutter drive gear, wherein the cutter drive feature of the holster portion further includes a second cutter drive gear, wherein the first and second cutter drive gears are configured to mesh upon receipt of the at least part of the probe body in the probe securing feature.

7. The biopsy device of claim 6 , wherein the holster portion further includes a pair of spring energized seals operable to prevent ingress of fluids into the holster body adjacent to the second cutter drive gear.

8. The biopsy device of claim 1 , wherein the cutter drive feature of the holster portion includes a motor housed within the holster body.

9. The biopsy device of claim 1 , further comprising a vacuum control module in communication with one or both of the probe portion or the holster portion, wherein the vacuum control module is external to the probe portion and the holster portion.

10. The biopsy device of claim 9 , wherein the vacuum control module is operable to provide power to the holster portion.

11. The biopsy device of claim 9 , wherein the vacuum control module is operable to provide fluid communication to the probe portion.

12. The biopsy device of claim 1 , wherein the tissue sample holder comprises a plurality of chambers operable to receive a plurality of tissue samples, wherein the tissue sample holder comprises a rotatable feature operable to selectively index the chambers for serial receipt of tissue samples.

13. The biopsy device of claim 12 , wherein the rotatable feature comprises a manifold.

14. The biopsy device of claim 12 , wherein the tissue sample holder comprises a removable tray associated with the chambers, wherein the removable tray is operable to hold tissue samples received in the chambers, wherein the removable tray is removable from the tissue sample holder.

15. The biopsy device of claim 14 , wherein the holster portion further comprises a tissue sample holder drive feature operable to rotate the rotatable feature of the tissue sample holder.

16. A biopsy device, comprising:
(a) a probe portion, wherein the probe portion comprises:
(i) a probe body,
(ii) a needle extending distally from the probe body along a longitudinal axis,
(iii) a cutter movable relative to the needle to sever tissue,
(iv) a tissue sample holder, and
(v) a holster receiving portion oriented on an exterior surface of the probe body, wherein the holster receiving portion comprises a top receiving portion; and

(b) a holster portion, wherein the holster portion comprises:
(i) a holster body, wherein the holster body includes a probe securing feature, wherein the probe securing feature includes an upright portion extending from an upper external surface of the holster body and an overhang portion extending transversely from the upright portion at an orientation perpendicular to the longitudinal axis of the needle, wherein the overhang portion defines a longitudinal slot, wherein the longitudinal slot is configured to receive the holster receiving portion along a path transverse to the longitudinal axis from a side opposite of the upright portion, wherein the overhang portion is configured to engage the top receiving portion of the holster receiving portion, and
(ii) a cutter drive feature operable to drive the cutter.

17. The biopsy device of claim 16 , wherein the holster receiving portion of the probe portion is further oriented adjacent to a distal end of the probe body of the probe portion.

18. A biopsy device, comprising:
(a) a probe portion, wherein the probe portion comprises:
(i) a probe body, wherein the probe body comprises a holster coupling member,
(ii) a needle extending distally from the probe body,
(iii) a cutter movable relative to the needle to sever tissue, and
(iv) a tissue sample holder; and

(b) a holster portion, wherein the holster portion comprises:
(i) a holster body, wherein the holster body includes a probe securing feature, wherein the probe securing feature includes an upright portion extending from an upper external surface of the holster body and an overhang portion extending transversely from the upright portion, wherein the probe securing feature is configured to receive the holster coupling member of the probe body from both a lateral direction and a longitudinal direction, wherein the probe securing feature is disposed at a distal end of the holster body, and
(ii) a cutter drive feature operable to drive the cutter.

Assignees

• Devicor Medical Products Inc

Inventors

• Fiebig Kevin M
• Hibner John A
• Rhad Edward A
• Ehlert John S

Classifications

• A61B2017/0046

  with a releasable handle; with handle and operating part separable · CPC title

• A61B2010/0225

  for taking multiple samples · CPC title

• A61B10/0275

  with sample notch, e.g. on the side of inner stylet · CPC title

• A61B10/0283 Primary

  with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe (A61B10/025, A61B10/0266 take precedence) · CPC title

• A61B2010/0208

  Biopsy devices with actuators, e.g. with triggered spring mechanisms · CPC title