Hand Actuated Tetherless Biopsy Device with Pistol Grip
First Claim
1. A biopsy device for acquiring one or more tissue samples from a patient, the biopsy device comprising:
- a hollow needle configured to penetrate tissue, wherein the hollow needle defines a lumen, the hollow needle having a tissue receiving port in communication with the lumen; and
a hand-held body, comprising;
a handle configured to be held in an operator'"'"'s hand,a vacuum pump in communication with the needle, wherein the vacuum pump is operable to draw tissue into the tissue receiving port,a hollow tissue cutter movable within the lumen of the needle, wherein the tissue cutter is operable to sever tissue drawn into the tissue receiving port, wherein cutter defines lumen in communication with the vacuum pump, anda hand actuated lever engaged with the handle for transferring motive power from the operator'"'"'s hand to at least one of the vacuum pump or the cutter to acquire one or more severed tissue samples from the patient.
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Accused Products
Abstract
A hand actuated biopsy device comprises a vacuum generation mechanism and a tissue cutting mechanism manually actuated by a trigger of the hand actuated biopsy device. Hand manipulation or actuation of the trigger is used to power a vacuum pump to generate vacuum and to power the tissue cutting mechanism. The hand actuated biopsy device has a tissue piercing needle with a tissue receiving aperture. A tissue cutter translates and rotates within the needle and is powered by actuations of the trigger. When the needle is placed into tissue and the trigger is actuated to power the vacuum pump and the tissue cutter, tissue is drawn into the tissue receiving aperture and severed by the hand powered cutter. A tissue collection chamber can be attached to the hand actuated biopsy device to receive severed tissue samples within.
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Citations
20 Claims
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1. A biopsy device for acquiring one or more tissue samples from a patient, the biopsy device comprising:
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a hollow needle configured to penetrate tissue, wherein the hollow needle defines a lumen, the hollow needle having a tissue receiving port in communication with the lumen; and a hand-held body, comprising; a handle configured to be held in an operator'"'"'s hand, a vacuum pump in communication with the needle, wherein the vacuum pump is operable to draw tissue into the tissue receiving port, a hollow tissue cutter movable within the lumen of the needle, wherein the tissue cutter is operable to sever tissue drawn into the tissue receiving port, wherein cutter defines lumen in communication with the vacuum pump, and a hand actuated lever engaged with the handle for transferring motive power from the operator'"'"'s hand to at least one of the vacuum pump or the cutter to acquire one or more severed tissue samples from the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A biopsy device for acquiring one or more tissue samples from a patient, the biopsy device comprising:
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a hollow needle configured to penetrate tissue, wherein the hollow needle defines a needle lumen, the hollow needle having a tissue receiving port in communication with the needle lumen, the tissue receiving port being transverse to the needle lumen; and a hand-held body, comprising; a pistol grip configured to be held in an operator'"'"'s hand, a hollow tissue cutter movable within the needle lumen, wherein the tissue cutter is operable to sever tissue drawn into the tissue receiving port, wherein cutter defines cutter lumen, a vacuum pump in communication with the cutter lumen, wherein the vacuum pump is operable to draw tissue into the tissue receiving port via the cutter lumen, a cutter actuation mechanism, wherein the cutter actuation mechanism is manually operable perform one or both of translating the cutter or rotating the cutter, and a hand actuated lever engaged with the pistol grip, wherein the hand actuated lever is in communication with the vacuum pump and the cutter actuation mechanism, wherein the hand actuated lever is manually operable to simultaneously actuate the vacuum pump and the cutter actuation mechanism. - View Dependent Claims (17)
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18. A method of acquiring one or more tissue samples from a patient comprising:
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providing a biopsy device, wherein the biopsy device comprises; a tissue penetrating needle having a tissue receiving port, a hand-held body, wherein the needle extends distally from the body, wherein the body comprises; a vacuum pump in communication with the needle, wherein the vacuum pump is operable to draw tissue into the tissue receiving port, a hollow tissue cutter having a cutting edge, wherein the tissue cutter is disposed within the needle, the tissue cutter being movable within the needle for cutting tissue drawn into the tissue receiving port, and a hand lever movable from an open position to a closed position; inserting the needle into a patient'"'"'s breast; manually moving the hand lever from the open position to the closed position to apply motive power to the vacuum pump, wherein the motive power delivered to the vacuum pump creates a negative pressure in the vacuum pump to draw tissue into the tissue receiving port; and removing the needle from the patient'"'"'s breast. - View Dependent Claims (19, 20)
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Specification