Device for receiving and actuating a biopsy needle

A - Human Necessities – 61 – B

Patent

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Details

A61B 10/00 (2006.01)

Patent

CA 2340376

A handpiece (10) receiving a biopsy needle, whereby said handpiece can be applied to an endoscope and includes receiving devices (12, 13) for accommodating a hollow needle associated with said biopsy needle and a cutting device that is introduced into the hollow needle. The receiving devices can be tightened by means of a spring/locking arrangement (18, 19, 32, 21, 33, 34), whereby the hollow needle and the cutting device are drawn into the handpiece (10). With respect to said receiving devices (12, 13), the device (13) receiving the cutting device is released first. The device (12) receiving the hollow needle is released afterwards.

Elément (10) à main applicable sur un endoscope et recevant une aiguille de biopsie, qui comporte des dispositifs récepteurs (12, 13) destinés à recevoir une aiguille creuse appartenant à l'aiguille de biopsie et un dispositif de coupe introduit dans l'aiguille creuse. Lesdits dispositifs récepteurs sont mis sous contrainte par un ensemble à ressorts et à encliquetage (18, 19, 32, 21, 33, 34) de manière telle que lorsqu'ils sont sous contrainte, l'aiguille creuse et le dispositif de coupe sont retenus dans l'élément (10) à main. Des deux dispositifs récepteurs (12, 13), c'est d'abord le dispositif récepteur (13) du dispositif de coupe qui est libéré, à la suite de quoi le dispositif récepteur (12) de l'aiguille creuse est lui aussi libéré.

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