A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 10/00 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2215735
Aspiration instrument for cell biopsy purposes, comprising a cylinder (3) which at the dixtal end is provided with means for fastening a hypodermic needle (5), a plunger (6) whose distal end is in the form of a piston (8), whichpiston (8) is movable in the cylinder (3) between a first position and a second position, guide means (4) for guiding the plunger (6) pre-compression means (17) by means of which the plunger is pre-compressable in the direction of the first position, which pre-compression means (17) are activated when the plunger (6) is moved from the first to the second position, locking means (9, 10) by means of which the plunger (6) can be locked in the second position, means for unlocking the locking means, in order to make the plunger (6) move from the second to the first position under the influence of the pre-compression means (17), in which the plunger (6), the guide means (4) for the plunger, the pre-compression means (17), the lockingmeans and the unlocking means therefore are combined to form a unit (2) to whichthe cylinder (3) is detachably connected, which unit (2) is made of sterilizablematerial.
Instrument d'aspiration pour biopsie cellulaire, comprenant: un cylindre (3) dont l'extrémité distale est pourvue d'un moyen de fixation d'une aiguille hypodermique (5), un piston (6) dont l'extrémité distale est en forme de piston (8), lequel (8) est mobile dans le cylindre (3) entre une première et une seconde position, un moyen de guidage (4) conçu pour guider le piston (6), un moyen de pré-compression (17) permettant de pré-compresser le plongeur dans le sens de la première position, et actionné lorsque le piston est déplacé de la première à la seconde position, un moyen de blocage (9, 10) qui bloque le piston (6) dans la seconde position, un moyen pour débloquer le moyen de blocage et permettant de déplacer le piston de la seconde à la première position sous l'effet du moyen de pré-compression (17), le piston (6) et son moyen de guidage (4), le moyen de pré-compression, le moyen de blocage et son moyen de déblocage étant combinés pour former une unité (2) en matériau stérilisable à laquelle le cylindre (3) est accouplé de manière amovible.
Mccarthy Tetrault Llp
Oosterhof Okko Nanning
LandOfFree
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