JPWO2019236977A5

JPWO2019236977A5 -

Info

Publication number: JPWO2019236977A5
Application number: JP2020568346A
Authority: JP
Publication date: 2022-06-15
Anticipated expiration: 2039-06-07

Claims

It ’s a biopsy device,
(A) Body and
(B) A needle extending distally from the body,
(C) A cutter that can be translated in the longitudinal direction with respect to the needle and that defines the lumen of the cutter.
(D) A cutter-driven assembly configured to selectively drive the rotation and translation of the cutter.
(E) A tissue sample holder proximally coupled to the body, wherein the cutter lumen of the cutter is at least a fluid tube extending between the distal end of the cutter and the tissue sample holder. With the tissue sample holder that defines a part,
( F) A sample stop assembly comprising a rotatable filter configured to selectively stop the movement of a tissue sample in the fluid tube between the cutter and the tissue sample holder, said rotation. The possible filter is further configured to move in response to loss of motion between the distal coupler associated with the cutter and the proximal coupler associated with the cutter driven assembly, said sample stop assembly. And the biopsy device including.

The biopsy device of claim 1, wherein the sample stop assembly comprises a sample inspection member adjacent to the rotatable filter.

The biopsy device of claim 2, wherein at least a portion of the sample inspection member is transparent so that the tissue sample can be visually inspected through the sample inspection member.

The biopsy of claim 2 , wherein the rotatable filter is movable relative to the body and the sample inspection member so that the rotatable filter is moved from the sample stop position to the transfer position. device.

The rotatable filter includes a plurality of vacuum openings, the sample inspection member defines a sample lumen, and the rotatable filter is such that the vacuum opening of the rotatable filter is the sample inspection. The biopsy device of claim 2, wherein the biopsy device is located relative to the sample inspection member so as to be in fluid contact with the sample lumen of the member.

The sample cavity of the sample inspection member, along with the vacuum opening of the rotatable filter, allows the flow of fluid through the rotatable filter when the tissue sample is adjacent to the rotatable filter. The biopsy device of claim 5, which is configured to facilitate.

The biopsy device of claim 2, wherein the rotatable filter is rigid.

2. The cutter drive assembly comprises a cutter drive member, wherein at least a portion of the cutter drive member is configured to secure the rotatable filter to the sample inspection member of the sample stop assembly. The biopsy device described.

The sample inspection member includes a lumen, the cutter drive member includes a lumen, and both the lumen of the sample inspection member and the lumen of the cutter drive member are the distal end of the cutter and the lumen. The biopsy device according to claim 8 , wherein a part of the fluid tube extending between the tissue sample holder and the fluid tube is defined.

The rotatable filter is configured to move between a sample stop position and a transfer position, the rotatable filter comprises a plurality of openings, and each opening of the plurality of openings is the said. The biopsy device of claim 2, wherein the rotatable filter is configured to allow communication of fluid through the rotatable filter when the sample stop position.

The biopsy device of claim 2 , wherein the sample stop assembly comprises a sensor that detects the presence of the tissue sample in the sample inspection member.

Further including a controller, the sensor is in contact with the controller, so that the controller reduces the vacuum supplied to the tissue sample holder in response to the sensor detecting the presence of the tissue sample. The biopsy device according to claim 11 .

12. The biopsy device of claim 12 , wherein the sensor comprises an impedance sensor, wherein the controller is configured to characterize the tissue sample based on a signal from the impedance sensor.

The sample inspection member includes an observation enclosure so that at least a portion of the sample stop assembly moves between open and closed configurations with respect to the observation enclosure so that the tissue sample can be removed from the sample stop assembly. 2. The biopsy device according to claim 2 .

It ’s a biopsy device,
(A) Body and
(B) A needle extending distally from the body,
(C) A cutter that can be translated in the longitudinal direction with respect to the needle and that defines the lumen of the cutter.
(D) A tissue sample holder proximally coupled to the body, wherein the cutter lumen of the cutter is at least a fluid tube extending between the distal end of the cutter and the tissue sample holder. With the tissue sample holder that defines a part,
(E) A cutter-driven assembly configured to translate and rotate the cutter.
(F) A sample stop assembly, wherein the sample stop assembly includes an inspection member and a filter gate, the filter gate is arranged between the inspection member and a part of the cutter drive assembly, and the sample stop assembly is The sample stop assembly, which is configured to move the filter gate between the sample stop position and the transfer position by relative rotation between the inspection member and the cutter drive assembly.
(G) An observation tube, the observation tube is configured to receive at least a portion of the inspection member of the sample stop assembly, and when the inspection member moves with respect to the observation tube, the observation tube is said to be said. The biopsy device comprising the observation tube, wherein the observation tube is secured to the body so as to be configured to open and close at least a portion of the inspection member of the sample stop assembly.

15. The biopsy device of claim 15 , wherein the cutter drive assembly is configured to rotate and translate the cutter so that the rotation and translation of the cutter can be controlled independently.

The cutter drive assembly is such that the rotation and translation of the cutter is linked to the rotation and translation of the cutter to provide a predetermined relationship between the rotation of the cutter and the translation of the cutter. The biopsy device according to claim 15 , which is configured to do so.

17. The biopsy device of claim 17 , wherein the cutter drive assembly comprises a translation member and a rotation member , wherein rotation of the translation member and the rotation member is configured to rotate and move the cutter in parallel.

It ’s a biopsy device,
(A) Holster and
(B) A probe comprising a needle extending distally from the probe and a cutter translating longitudinally with respect to the tissue receiving opening defined by the needle, wherein the cutter penetrates the cutter lumen. The probe and the specified
(C) A transmission tube that at least partially defines a conduit extending between the distal end of the cutter and the tissue sample holder.
(D) A sample stop assembly, wherein the sample stop assembly includes a first coupler, a second coupler, and a filter gate disposed between the first coupler and the second coupler. The first coupler and the second coupler are configured to move separately with respect to each other, and the sample stop assembly is said by relative motion between the first coupler and the second coupler. The biopsy device comprising said sample stop assembly, which is configured to move a filter gate between a sample stop position and a transfer position.