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US6626850B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Automated biopsy instruments

Assignee: CareFusion 2200 Inc
•
Filing: 1998-03-30
•
Granted: 2003-09-30
•
Expires: 2018-03-30
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Abstract

Abstract The present invention provides automated biopsy instruments especially useful for improving minimally invasive medical procedures to obtain soft tissue biopsy samples. The biopsy instruments provide side-by-side actuators which retract a stylet and a cannula in specific sequences. The biopsy instruments may include a single spring or two springs to sequentially fire the stylet and the cannula.

Inventors

  • 👤 Sonny Chau
  • 👤 Jan Como-Rodriguez
  • 👤 Thomas Kupec

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:44
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/0266; A61B10/0275; A61B2010/0208

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 134 words
A biopsy device comprising: a housing; a cannula slidably extending from the housing through an opening; a stylet slidably positioned within the cannula; a stylet actuator associated with the stylet to retract the stylet within the housing; and, a cannula actuator associated with the cannula to retract the cannula within the housing, the cannula actuator juxtaposed the stylet actuators; wherein the stylet actuator and the cannula actuator are actuable in three sequences: a first sequence wherein the cannula actuator is actuated independently of the stylet actuator and subsequently the stylet actuator is actuated; a second sequence wherein the cannula actuator and the stylet actuator are actuated simultaneously; and, a third sequence wherein the stylet actuator is actuated and engages the cannula actuator such that the cannula actuator is actuated simultaneously with the stylet actuator.
Claim 2
Dependent Claim 134 words
A biopsy device comprising: a housing; a cannula slidably extending from the housing through an opening; a stylet slidably positioned within the cannula; a stylet actuator associated with the stylet to retract the stylet within the housing; and, a cannula actuator associated with the cannula to retract the cannula within the housing, the cannula actuator juxtaposed the stylet actuators; wherein the stylet actuator and the cannula actuator are actuable in three sequences: a first sequence wherein the cannula actuator is actuated independently of the stylet actuator and subsequently the stylet actuator is actuated; a second sequence wherein the cannula actuator and the stylet actuator are actuated simultaneously; and, a third sequence wherein the stylet actuator is actuated and engages the cannula actuator such that the cannula actuator is actuated simultaneously with the stylet actuator.
Claim 3
Dependent Claim 27 words
The biopsy device of claim 1 further comprising means contained within the housing for biasing the stylet and the cannula toward a first end of the housing.
Claim 4
Dependent Claim 27 words
The biopsy device of claim 2 wherein the means for biasing comprises a first means for biasing the stylet and a second means for biasing the cannula.
Claim 5
Dependent Claim 26 words
The biopsy device of claim 3 wherein the first means for biasing is a first spring, and the second means for biasing is a second spring.
Claim 6
Dependent Claim 47 words
The biopsy device of claim 1 further comprising: a cannula slide attached to the cannula, the cannula actuator engagable with the cannula slide to retract the cannula; and, a stylet slide attached to the stylet, the stylet actuator engagable with the stylet slide to retract the stylet.
Claim 7
Dependent Claim 20 words
The biopsy device of claim 5 wherein the stylet actuator engages the cannula actuator when the stylet actuator is actuated.
Claim 8
Dependent Claim 140 words
A biopsy device comprising: a stylet slidably positioned within a cannula; a stylet actuator associated with the stylet to move the stylet from_a first stylet position to a second stylet position when the stylet actuator is actuated; and, a cannula actuator associated with the cannula to move the cannula from a first cannula position to a second cannula position when the cannula actuator is actuated; wherein the stylet actuator and the cannula actuator are actuatable in three sequences: a first sequence wherein the cannula actuator is actuated independently of the stylet actuator and subsequently the stylet actuator is actuated; a second sequence wherein the cannula actuator and the stylet actuator are actuated simultaneously; and, a third sequence wherein the stylet actuator is actuated and engages the cannula actuator such that the cannula actuator is actuated simultaneously with the stylet actuator.
Claim 9
Dependent Claim 140 words
A biopsy device comprising: a stylet slidably positioned within a cannula; a stylet actuator associated with the stylet to move the stylet from_a first stylet position to a second stylet position when the stylet actuator is actuated; and, a cannula actuator associated with the cannula to move the cannula from a first cannula position to a second cannula position when the cannula actuator is actuated; wherein the stylet actuator and the cannula actuator are actuatable in three sequences: a first sequence wherein the cannula actuator is actuated independently of the stylet actuator and subsequently the stylet actuator is actuated; a second sequence wherein the cannula actuator and the stylet actuator are actuated simultaneously; and, a third sequence wherein the stylet actuator is actuated and engages the cannula actuator such that the cannula actuator is actuated simultaneously with the stylet actuator.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-09-29 2007-03-31 2007-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-09-29 2011-03-31 2011-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-09-29 2015-03-31 2015-09-30 $7700.00 Window Closed / Lapsed

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