Stryker Corporation

Wenjie Deng

William H L Chang

Barry J Kauker

Dai D Tong

José Luis Moctezuma De La Barrera

Reid S Cover

Mark A Wasserman

Michael G Hilldoerfer

Don Malackowski

Chien Mien Pang

Sean Darby

Pedro Javier Muniz-Medina

James Keith Rains

Steve Tyler

Maziyar Keshtgar

Michelle Sun

Sean M Darby

An illuminator including a receptacle for connecting a light cable to an illuminator. The receptacle includes a clamp assembly having a plurality of clamping jaws that are moveable from an open configuration in which a connecter of the light cable can be positioned between the clamping jaws for receiving light traveling in a light pathway in the illuminator to a closed configuration in which the clamping jaws completely block the light pathway, and a clutch that is movable between an engaged position for holding the clamping jaws in the open configuration and a disengaged position for allowing the clamping jaws to move to a gripped configuration and to the closed configuration, the clutch can be pushed by the connector when the connector is positioned between the clamping jaws to move the clutch out of the engaged position so that the clamp assembly moves the clamping jaws to the gripped configuration.

Systems and methods for connecting a light cable to an illuminator

A housing for an instrument such as an endoscopic camera head is provided. The housing includes at least two parts which are attachable to each other by using tabs and grooves, creating a sealed and tamper-evident housing without the use of externally exposed fasteners. A tool for attaching the two parts and a method of its use are also provided.

Tamper-evident camera enclosure

A surgical tool system with a handpiece and a cutting accessory that has inner and outer hubs. The handpiece has a spring biased lock ring that abuts a complementary stop member integral with the accessory outer hub to hold the accessory to the handpiece. An RFID chip is disposed against an inner wall of the accessory outer hub. An elastomeric seal pressed against the inner wall of the accessory outer hub provides environmental protection for the RFID chip. The seal has a rib that extends around the outer perimeter of the proximal end of the outer hub so as to form a seal between the accessory and an adjacent inner wall of the handpiece. Stop tabs extend inwardly from the seal to prevent the drive hub disposed inside the outer hub from falling out.

Surgical tool system with quick release coupling assembly

A surgical tool arrangement a handpiece which is capable of accepting and operating a number of different surgical tools or instruments adapted for use with the handpiece, each having one or multiple functions. The handpiece incorporates a coupling arrangement located at a distal end thereof which serves to attach the desired surgical instrument to the hand-piece via a locking mechanism, and also provides an electrical contact arrangement to support the functioning of an electrosurgical probe as well as a combined mechanical cutting and electrosurgical tool. Additionally, the handpiece accepts a conventional cutter which only requires power for driving a movable cutting element.

Surgical tool arrangement having a handpiece usable with multiple surgical tools

A coupler for connecting an endoscope to a camera including a cylinder having a zoom lens and a focus lens therein. A zoom adjustment member engages the cylinder with a first coefficient of friction and is movable relative thereto to cause axial movement of the zoom lens. The zoom adjustment member is operatively connected to a focus adjustment member such that movement of the zoom adjustment member causes the focus adjustment member to move thereby moving both the zoom lens and the focus lens axially. The focus adjustment member engages the zoom adjustment member with a second coefficient of friction and is movable relative thereto to cause axial movement of the focus lens within the cylinder. The first coefficient of friction is greater than the second coefficient of friction such that movement of the focus adjustment member does not cause movement of the zoom adjustment member.

Parfocal coupler for endoscopic viewing system

A powered surgical handpiece that includes a motor for actuating a cutting accessory. The handpiece has a housing with a bore for receiving the cutting accessory and a coupling member internal to the bore that releasably engages and actuates the cutting accessory. A coil is mounted to the housing adjacent the bore. More particularly, the coil is located so that when the cutting accessory is seated in the bore, the coil is able to exchange signals with a complementary coil integral with the cutting accessory. A locking assembly mounted to the housing releasably holds the cutting accessory in the bore.

Powered surgical handpiece with an antenna for reading data from a memory integral with a cutting accessory attached to the handpiece

A cutting accessory for use with a powered surgical tool. The accessory includes a drive shaft to which an outer hub is attached. Internal to the outer hub is a self-contained transponder formed from an RFID chip and a coil of electrical conductor embedded within a solid substrate or encapsulated within a plastic enclosure. The transponder wirelessly communicates one or more pieces of information concerning the identity and operation of the accessory to the surgical tool when the accessory is attached to the surgical tool.

Surgical cutting accessory with encapsulated RFID chip

A powered surgical handpiece includes a chuck assembly with a chuck having apertures. The chuck assembly is surrounded by a collar having slots on an inner face. The apertures and slots receive balls. In use, the collar is moved axially toward the handpiece against a spring force so that the chuck is viewable. A base tab of a cutting accessory is inserted into the chuck. When the collar is released, detents of the base tab are radially aligned with at least two balls and apertures. When a biasing spring moves the collar outwardly, the respective balls move radially inwardly into the detents to fixedly lock the cutting accessory. The handpiece includes a single eccentric gear shaft that receives a rotary force at one end and moves about an orbital path at a second end. An oscillator receiver of an oscillator receives the barrel. Movement of the barrel about the orbital path results in oscillation of the oscillator about its axis. The oscillator is fixedly secured to the chuck and thus oscillates a cutting accessory mounted therein.

Powered surgical handpiece with improved latch mechanism and rotary to oscillating output drive

A control arrangement for use in a medical or surgical instrument, which arrangement includes a keypad for providing manual control functions to a user of the instrument, a retainer clip and a sealing member. The keypad and retainer clip are located within an opening formed in the instrument housing, whereby when the retainer clip is assembled to the housing, the retainer clip automatically causes the sealing member to sealingly engage with a corresponding sealing surface defined adjacent the housing opening, without the need for the use of additional sealing agents.

Self-sealing control arrangement for a medical instrument

A handpiece () for actuating a surgical cutting accessory (). The handpiece has a housing () with a bore () through which a suction is drawn. A valve () regulates the suction flow. The valve (), formed of metal, has an barrel (), formed of rubber, that surrounds the rotating valve stem (). The barrel defines a non-circular openings () through which there is suction flow. The openings are shaped to have small diameter sections () that initially come into registration with the suction bore when the stem is rotated to the open state. This ensures that, when the valve is open, there is only a relatively small surgeon-selected suction flow through the handpiece. The barrel is formed with ribs () the serve as seals between the valve and the adjacent surface of the housing. A suction fitting () is rotatably fitted to the proximal end of the handpiece.

Powered surgical handpiece with precision suction control

A surgical handpiece ( ) for performing medical procedures. The handpiece ( ) has a housing ( ) and a membrane switch assembly ( ) is mounted to the housing for regulating the operation of the handpiece. The membrane switch assembly has a switch plate ( ) mounted in a cavity ( ) formed in the housing. The switch plate includes a pair of spaced apart contact pads ( ). A dome ( ) formed of flexible metal is spaced over the contact pads. A keypad ( ) extends over the top of the switch cavity to cover the switch plate. A bezel plate ( ) is fitted over the keypad. The keypad is compressed between the bezel plate and the housing to form a seal around the switch cavity. Depression of the keypad results in the dome flexing inwardly and closing the connection between the contact pads.

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San Jose, CA, United States of America

Wenjie Deng