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

Abstract RU 2839421 C2

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

Similar patents RU2839421C2

Title Year Author Number
SURGICAL INSTRUMENT EQUIPPED WITH FLEXIBLE ACTUATOR 2016
  • Nie, Honglin
  • Yang, Guang
  • Zhang, Xiliang
  • Jiang, Yang
  • Shi, Xiufeng
  • Li, Anhua
RU2719947C2
MEDICAL DEVICE FOR ANASTOMOSIS 2015
  • Chen, Wangdong
  • Ding, Shuicheng
  • Shi, Yanbo
RU2657204C2
RELEASABLE LAYER OF MATERIAL AND SURGICAL END EFFECTOR HAVING THE SAME 2014
  • Shelton Frederik E. Iv
  • Svejzi Dzheffri S.
  • Shmid Ketrin Dzh.
RU2661143C2
IMPLANTABLE ARRANGEMENTS FOR SURGICAL STAPLE CARTRIDGES 2014
  • Shelton Iv Frederik E.
  • Morgan Dzherom R.
RU2669022C2
CIRCULAR SUTURING DEVICE 2019
  • Chen Zhi
  • Guo Yi
  • Lin Jiang
RU2773639C1
LAYER ARRANGEMENTS FOR SURGICAL STAPLE CARTRIDGES 2014
  • Svajz Dzheffri S.
  • Morgan Dzherom R.
  • Shmid Ketrin Dzh.
  • Shelton Frederik E.
RU2661149C2
ROTARY HANDLE SWITCH CONFIGURATION FOR SURGICAL INSTRUMENTS 2014
  • Kokh Robert L. Ml.
  • Bejber Deniel L.
  • Lejmbakh Richard L.
RU2690595C2
TISSUE THICKNESS COMPENSATION LAYER COMPRISING DEPLOYABLE ATTACHMENT MEMBERS FOR ANVIL OF STAPLER 2014
  • Shmid Ketrin Dzh.
  • Svajz Dzheffri S.
  • Khenderson Kortni E.
  • Smit Bret U.
  • Vendli Majkl Dzh.
  • Shelton Iv Frederik E.
  • Aronkholt Tejlor V.
RU2675665C2
SURGICAL INSTRUMENT COMPRISING CLOSING DRIVE AND FIRING DRIVE OPERATED FROM SAME ROTATABLE OUTPUT 2014
  • Parikhar Shajlendra K.
  • Khibner Dzhon A.
RU2650585C2
STERILISABLE SURGICAL INSTRUMENT 2010
  • Jehjts Dehvid K.
  • Shelton Frederik Eh.
RU2524114C2

RU 2 839 421 C2

Authors

Ding, Shuicheng

Dates

2025-05-05Published

2022-12-13Filed