Surgical device and method of using same
Inventors
Miller, Michael E. • Flagle, Jake • Mark, Joseph L. • Nicoson, Zachary R.
Assignees
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Publication Number
US-8808200-B2
Publication Date
2014-08-19
Expiration Date
Abstract
A surgical system is disclosed. The surgical system comprises a housing, a surgical device and an adapter. The housing includes a distal end. The surgical device comprises, a cutting element extending from the housing at the distal end. The cutting element is selectively rotated and translated relative to a tissue biopsy area. The adapter is configured to selectively and detachably receive the surgical device. The adapter secures the surgical device thereto by at least one latching mechanism such that the surgical device is prevented from moving independently from the adapter.
Core Innovation
A breast biopsy surgical system includes a positioning housing/adapter and a disposable surgical device. The disposable surgical device includes a distal cutting element having an outer cannula and an inner cannula, and the cutting element is selectively rotated and translated at a target biopsy area.
An adapter mounts the surgical device to the positioning housing/adapter using a latch mechanism to prevent independent movement. The distal cutting element is actuated using console-controlled air pressure/vacuum, and the outer cannula is driven distally in a firing manner while the inner cannula is translated distally for severing tissue.
Vacuum aspirates resected tissue through an inner lumen to a remote tissue collection canister/filter. The system includes optional trocar/blunt-tip introducer pathway and stereotactic-table mounting, with compatibility for imaging modalities including MRI/PET/CT/ultrasound/terahertz, and remote valve actuation and sealing/latching are used to coordinate sample-collection/processing flow.
Claims Coverage
The partial content identifies one independent claim. The independent claim covers a spring-fired outer cannula and a fluid-pressure-responsive inner cannula, with reciprocal motion driven by a spring and fluid pressure.
Spring firing the outer cannula distally while moving the inner cannula proximally
A spring is configured to fire the outer cannula in a distal direction relative to the surgical device, and to move the inner cannula in a proximal direction relative to the surgical device.
Fluid-pressure retraction of the outer cannula and distal advance of the inner cannula
The outer cannula is configured to retract in the proximal direction relative to the surgical device in response to fluid pressure, and the inner cannula is configured to move in the distal direction relative to the surgical device in response to fluid pressure.
The core inventive coverage is a spring-actuated relationship between an outer cannula and an inner cannula, combined with fluid-pressure-responsive reciprocal motion where fluid pressure causes outer retraction proximally and inner advancement distally.
Stated Advantages
Documented Applications
No documented applications found
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