Multiple-load cartridge assembly for a linear surgical stapling

Details Multiple-load cartridge assembly for a linear surgical stapling Multiple-load cartridge assembly for a linear surgical stapling

1984-03-30

1986-09-23

Thaler, Michael H.

Surgery

Truss

Pad

227 19, 227DIG1, A61B 1704

Patent

active

046129332

ABSTRACT:
A multiple-load cartridge assembly for use with a linear surgical stapling instrument of the type which, when actuated, simultaneously implants at least one row of staples in the tissue of a patient and forms or clinches the staples of the row against the instrument anvil. The cartridge assembly comprises a cartridge having a row of staple-containing forming pockets and a driver having a plurality of blades equal in number to the number of forming pockets and configured to drive the staples from the forming pockets through the tissue to be sutured and against the instrument anvil to be clinched, when the surgical stapling instrument is actuated. The cartridge has at least one row of storage pockets, equal in number to the forming pockets, and each containing at least one staple. An indexing mechanism is provided to shift the at least one staple in each storage pocket to the line of action between the driver and the anvil after the first actuation of the surgical stapling instrument, for at least another actuation of the surgical stapling instrument. A safety interlock within the cartridge assembly assures correct sequential operation of the cartridge assembly and prevents jamming thereof. An indicator visually shows the number of the load of staples ready to be implanted and formed.

REFERENCES:
patent: 3601302 (1971-08-01), Potekhina et al.
patent: 4086926 (1978-05-01), Green et al.
patent: 4202480 (1980-05-01), Annett
patent: 4296881 (1981-10-01), Lee
patent: 4391401 (1983-07-01), Moshofsky
patent: 4412539 (1983-11-01), Jarvik

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