WO2016210042A2 - Bailout assembly for surgical stapler - Google Patents

Bailout assembly for surgical stapler Download PDF

Info

Publication number
WO2016210042A2
WO2016210042A2 PCT/US2016/038879 US2016038879W WO2016210042A2 WO 2016210042 A2 WO2016210042 A2 WO 2016210042A2 US 2016038879 W US2016038879 W US 2016038879W WO 2016210042 A2 WO2016210042 A2 WO 2016210042A2
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
anvil
drive
driver
bailout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2016/038879
Other languages
English (en)
French (fr)
Other versions
WO2016210042A3 (en
Inventor
Mark D. Overmyer
Jason E. Zerkle
Craig S. Smith
Kevin D. SACKETT
Emily A. Schellin
Kevin L. Houser
Charles J. Scheib
Iv Frederick E. Shelton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethicon Endo Surgery LLC
Original Assignee
Ethicon Endo Surgery LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ethicon Endo Surgery LLC filed Critical Ethicon Endo Surgery LLC
Priority to CN201680037711.3A priority Critical patent/CN108112230B/zh
Priority to BR112017027922-3A priority patent/BR112017027922B1/pt
Priority to JP2017567151A priority patent/JP6957358B2/ja
Publication of WO2016210042A2 publication Critical patent/WO2016210042A2/en
Publication of WO2016210042A3 publication Critical patent/WO2016210042A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/1114—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
    • A61B17/1155—Circular staplers comprising a plurality of staples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/10—Surgical instruments, devices or methods for applying or removing wound clamps, e.g. containing only one clamp or staple; Wound clamp magazines
    • A61B17/105—Wound clamp magazines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B2017/1132—End-to-end connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs

Definitions

  • FIG. 2 depicts a perspective view of the circular stapler of FIG. 1, with a battery pack removed from a handle assembly and an anvil removed from a stapling head assembly;
  • FIG. 11 depicts a perspective view of an indicator member of the handle assembly of FIG. 9;
  • FIG. 18B depicts a side elevational view of the stapling head actuation assembly of FIG. 13, with the rotary cam in a second angular position and the cam follower in a second pivotal position;
  • FIG. 35 depicts a detailed side cross-sectional view of the knife bailout assembly of FIG. 34, the knife bailout assembly in a neutral position;
  • deck member (320) defines an inner diameter that is just slightly larger than the outer diameter defined by knife member (340). Deck member (320) is thus configured to allow knife member (340) to translate distally to a point where cutting edge (342) is distal to deck surface (322).
  • indicator member (520) pivots from the position shown in FIG. 12B to the position shown in FIG. I2C, the operator may observe the position of indicator needle (526) through window ( J 14) of handle assembly (110).
  • a series of hash marks, colored regions, and/or other fixed indicators may be positioned adjacent to window (114) in order to provide a visual context for indicator needle (526), thereby facilitating operator evaluation of the position of needle (526) within window (114). It should be understood that the position of needle (526) within window (J 14) will be indicative of the longitudinal position of trocar (330) and anvil (400).
  • Cam follower (600) thus drives knife member (340) and staple driver member (350) proximally via drive bracket (250) and stapling head assembly driver (240).
  • first surface region (732) has engaged and borne against bearing member (804), thereby pivoting rocker member (800) about the longitudinal axis defined by pin (802) at the stage shown in FIG. 20D.
  • Rocker member (800) is thus in the same state in FIG. 20D as shown in FIG. 19B.
  • Short circuit module (190) has thus been actuated at the stage shown in FIG. 20D.
  • washer (417) may also serve as a cutting board for knife member (340) to assist in cutting of tissue.
  • Such a cutting technique may be employed in addition to or in lieu of the above-noted shearing action between inner edge (416) and knife member (340).
  • staple driver member (350) drives staples (90) through the tissue of tubular anatomical structures (20, 40) and into staple forming pockets (414) of anvil (400). Staple forming pockets (414) deform the driven staples (90) into a "B" shape as is known in the art. The formed staples (90) thus secure the ends of tissue together.
  • instrument (8000) is controlled by an operator via knob (8030) and triggers (8040, 8042).
  • Knob (8030) like with knob (130) described above, is operativeiy connected to shaft assembly (8020) to actuate the anvil.
  • knob (8030) is rotatable to engage threads (not shown) of shaft assembly (8020) to translate a trocar actuation rod (8022), which ultimately actuates the anvil as similarly described above with respect to shaft assembly (200) of instrument (10).
  • Triggers (8040, 8042) function similarly as triggers (140, 150) described above.
  • a safety trigger (8140) may be first actuated by an operator to permit activation of the stapling head assembly.
  • Instrument (8100) further includes a firing trigger (8142), which is similar to firing trigger (150) described above.
  • firing trigger (8142) is operable to initiate actuation of the stapling head assembly.
  • Firing trigger (8142) includes a paddle (not shown), which is configured to engage a motor activation module (not shown) when firing trigger (8 42) is advanced by an operator.
  • the motor activation module of the present example initiates the stapling sequence by activating a motor (not shown).
  • Coupling member (81 80) is shown in FIGS. 31 -33.
  • coupling member (8180) comprises a generally cylindrical pin.
  • Coupling member (8180) extends laterally from lever portion (8176) of release member (8072).
  • coupling member (8180) is disposed in bore (8178) of lever portion (8176).
  • coupling member (8180) is held in bore (8178) by an interference or friction fit.
  • adhesives, other bonding agents, and/or other features may be used to secure coupling member (8180) to lever portion (8176).
  • coupling member (8180) is described herein as being a separate component from release member (8172), it should be understood that in some examples coupling member (8180) may be integral with release member (8172).
  • FIGS. 32 and 33 show an exemplary mode of operation of anvil bailout assembly (8170).
  • anvil bailout assembly (8170) initially begins in a neutral position. In the initial position, anvil bailout assembly (8170) is positioned such that operation of instrument (8100) is not substantially impacted by anvil bailout assembly (8170).
  • release member (8172) is disposed relatively flush with handle assembly (8110). With release member (8172) in such a position, coupling member (8180) is disposed in opening (8183) of trocar actuation rod (8122), thereby coupling proximal and distal ends (8124, 8126) of trocar actuation rod (8122) together.
  • trocar actuation rod (8122) is coupled via coupling member (8180), it should be understood that trocar actuation rod (8122) remains relatively free to translate as the operator rotates knob (8130).
  • Triggers (8340, 8342) function similarly as triggers (140, 150) described above.
  • FIG. 42 shows an exemplary stapling head actuation assembly (8470) that may be readily incorporated into instruments (10, 8000, 8100, 8200, 8300) described above. It should be understood that stapling head actuation assembly (8470) of the present example may be used in lieu of cam member (700) and cam follower (600) described above with respect to instrument (10).
  • Stapling head actuation assembly (8470) comprises a first drive shaft (8472), a second drive shaft (8480), and a lead screw assembly (8490).
  • First drive shaft (8472) is in communication with a motor (8450) that is similar to motor (160) described above with respect to instrument (10).
  • second drive shaft (8480) opposite to second slip gear (8482) includes a bevel gear (8486).
  • Bevel gear (8486) is configured to mesh with a corresponding spur gear (8492) of lead screw assembly (8490).
  • bevel gear (8486) generally configured to be driven by second drive shaft (8480) to drive shaft (8480) to drive lead screw assembly (8490).
  • gears (8486, 8492) comprise complementary helical gears.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Surgical Instruments (AREA)
PCT/US2016/038879 2015-06-26 2016-06-23 Bailout assembly for surgical stapler Ceased WO2016210042A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680037711.3A CN108112230B (zh) 2015-06-26 2016-06-23 用于外科缝合器的应急组件
BR112017027922-3A BR112017027922B1 (pt) 2015-06-26 2016-06-23 Instrumento cirúrgico
JP2017567151A JP6957358B2 (ja) 2015-06-26 2016-06-23 外科用ステープラー用緊急離脱組立体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/751,426 US10271841B2 (en) 2015-06-26 2015-06-26 Bailout assembly for surgical stapler
US14/751,426 2015-06-26

Publications (2)

Publication Number Publication Date
WO2016210042A2 true WO2016210042A2 (en) 2016-12-29
WO2016210042A3 WO2016210042A3 (en) 2017-03-16

Family

ID=56235702

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2016/038879 Ceased WO2016210042A2 (en) 2015-06-26 2016-06-23 Bailout assembly for surgical stapler

Country Status (6)

Country Link
US (1) US10271841B2 (https=)
EP (2) EP3488796B1 (https=)
JP (1) JP6957358B2 (https=)
CN (1) CN108112230B (https=)
BR (1) BR112017027922B1 (https=)
WO (1) WO2016210042A2 (https=)

Families Citing this family (313)

* Cited by examiner, † Cited by third party
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