CARTRIDGE ASSEMBLY AND SURGICAL STAPLER Russian patent published in 2025 - IPC A61B17/72 

FIELD: medicine.

SUBSTANCE: group of inventions relates to medical equipment, specifically to a cartridge assembly and a surgical stapler. Cartridge assembly for a surgical stapler comprises a cartridge, more than one staple configured to be positioned in the staple cavities, and an activation element. Cartridge comprises surface. Cartridge surface is provided with more than one staple cavity. Parts interacting with the bracket are provided on near sides of cavities for brackets. Each part interacting with the stapler comprises the first connecting part. Part interacting with the stapler is configured for connection with possibility of rotation with the cartridge surface underside by means of the first connecting part. Each bracket contains the second connecting part. Staple is configured for connection with possibility of rotation with the inner wall of the staple cavity by means of the second connecting part. Each staple interacting part is located on the near side of the second connecting part of the corresponding staple. Activation member is configured to allow the staples and staple engaging portions to rotate in the first direction as the activation member moves from the near side towards the far side of the cartridge. After rotation of each staple engaging part, the interacting with the staple part provides movement of the second connecting part of the corresponding staple in the direction from the cartridge with its separation from the staple cavity. Surgical stapler comprises said cartridge assembly.

EFFECT: use of the group of inventions makes it possible to ensure complete separation of staples from the cartridge after closing.

10 cl, 8 dwg