Stryker Corporation

Stryker Instruments

Jared P. Coffeen

Richard F. Huyser

Christopher M. Tague

Weston Persteiner

Dennis A. Stratton

Jared Paul Coffeen

Christopher Matthew Tague

Richard Franklin Huyser

Jeffery D Arnett

Bruce D Henniges

Christopher Scott Brockman

Dennis Alan Stratton

Christopher A Rossman

Weston Pernsteiner

Carlos Negroni

Marshall Proulx

Karen L Smit

Josh Butters

Theodore Leclere

Eric Charles Huynh

Frank J Cinder

Ryan Vanleeuwen

Christopher M Tague

Marshall K Proulx

Cristopher Matthew Tague

A system for cleaning a surgical scope of an endoscopic imager includes a control system communicatively connected to an apparatus for supplying fluids to a surgical scope cleaner, the control system configured to receive one or more images of a surgical field generated by the endoscopic imager, detect a deposit on a lens of the surgical scope by analyzing the one or more images, and send a command to the apparatus to provide one or more fluids to the surgical field for cleaning the surgical scope.

Systems and methods for intraoperative surgical scope cleaning

A bone cement delivery system including a mixer, a reservoir for holding bone cement, a cannula that is connected to the reservoir and through which the bone cement is delivered into living tissue. A plunger that is advanced by a drive assembly, pushes the bone cement out of the delivery tube into the cannula for discharge from the cannula. A valve is located upstream of the cannula. A control unit regulates both drive assembly and the setting of the valve. The control unit is configured to, when deactivating the valve so as to stop the advancement of the plunger, close the valve. The closing of the valve reduces the extent to which the bone cement, which is under pressure continues to flow into and be discharged out of the cannula.

Mechanised bone cement delivery system with a valve that closes to stop the flow of pressurized cement

A bone cement mixing and delivery system including a mixer, a delivery device, and a flexible extension tube. A connector is attached to a distal end of the flexible tube. The connector includes a housing, a fitting and an enlarged knob. A spindle that extends through the housing connects the fitting to the knob so the fitting rotates with the knob. A cannula is connected to the mixing and delivery system by placing the cannula fitting adjacent the connector fitting. The knob is rotated to result in the like rotation of the connector fitting. This causes the complementary threading on the connector fitting and the cannula fitting to engage.

Motorized bone cement mixing and delivery system with an enlarged connector for connecting to the cannula through which the cement is injected into the patient

A cartridge in which bone cement is mixed and from which the cement is discharged. A blade with plural vanes is disposed in the cartridge for mixing the cement. A piston located in one end of the cartridge is actuated to push the mixed cement out of the cartridge. The blade has plural vanes, one for scraping cement off the side of the cartridge, one for scraping cement off the piston and one for scraping cement off the end of the cartridge opposite the end in which the piston is normally located. The blade is collapsible so that when the piston is actuated the blade compresses to allow the cement in the cartridge to be pushed out.

Cartridge from which bone cement is discharged, the cartridge having a removably coupled nozzle

A cavity creator including a tube with a lumen. A tip able to penetrate bone extends forward from the distal end of the tube. A blade is moveably attached to the outer tube proximal to the tip so as to move between retracted and extended states. The tube has a discharge port adjacent the blade. The tip is used to position the upper tube in bone. The blade is extended to form a cavity in the bone. Once the cavity is created filler material can be introduced into the cavity by flowing the material through the tube lumen.

Cement delivery device for introducing cement into tissue, the device having a cavity creator

A bone cement mixing and delivery system including a mixer and a delivery device. The mixer includes a paddle for mixing the components and a piston that pushes the mixed cement into the attached delivery device. The delivery device includes a tube into which the bone cement is forced from the mixer, and a plunger that forces the cement out of the tube during the medical procedure. The tube includes an entry port through which cement is introduced into the tube from the mixer. A one-way valve attached to the tube allows the cement to flow from the mixer through the entry port. After the cement is loaded in the tube, the delivery device is removed from the mixer. The valve blocks flow out of the entry port when the plunger is depressed.

Motorized bone cement mixing and delivery system that allows a user to detach the delivery device from the mixer for delivery

Cartridge in which bone cement is mixed and from which bone cement is delivered, the cartridge having a compressible blade with plural vanes

A mixing assembly for mixing bone cement includes a housing, a lid, a handle, and two mixing paddles, a first and a second mixing paddle. The lid is removably attachable to the housing. The handle has a portion that extends through the lid and that is rotatable in a first rotational direction. The first mixing paddle is operatively coupled to the portion of the handle. As a result, the first mixing paddle rotates with the portion of the handle in the first rotational direction. The second mixing paddle is operatively coupled to the first mixing paddle for rotating opposite the portion. As such, when the portion of the handle and the first mixing paddle rotate in the first rotational direction, the second mixing paddle rotates in a second rotational direction that is opposite the first rotational direction.

Bone cement mixer with two paddles, the paddles arranged to limit longitudinal movement

A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a paddle for mixing the components in a mixing chamber and a piston that pushes the mixing cement into an attached delivery device. The system further includes a switch that disconnects the drive assembly that actuates the paddle and piston from its power source. The switch is automatically tripped by a follower that moves upon actuation of the drive assembly. Once the cement is mixed and transferred to the delivery device, the follower trips the switch to automatically deactivate the drive assembly.

Motorized bone cement mixing and delivery system that automatically transfers bone cement between the mixer and the delivery device and that automatically terminates the mixing and transfer processes

A bone cement mixing and delivery system is provided. The system includes a mixing cartridge for receiving liquid and powder components of bone cement, a mixing blade for mixing the components, and a delivery gun for discharging the bone cement from the mixing cartridge. The mixing cartridge comprises a cylinder having proximal and distal ends with a cylinder wall extending between the ends. A piston is locked at the distal end by a locking member that includes a pair of locking tabs protruding into slots in the cylinder wall. With the piston in the locked position, the mixing blade mixes the components. After mixing, the cartridge is placed in the delivery gun and release buttons on the locking member are engaged by a release mechanism on the delivery gun to release the piston from the locked position.

Bone cement cartridge with a releasably locked drive piston, the piston configured to be unlocked by a delivery device

A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a mixing paddle and a mixing shaft connected to the mixing paddle. A motor operatively engages the mixing shaft to rotate the mixing shaft and the mixing paddle to mix the components in a mixing chamber. The motor also operatively engages a transfer mechanism. After a predetermined mixing period has elapsed, the motor automatically actuates the transfer mechanism to transfer the mixture to a delivery device. The mixture is then delivered to a target site, such as a vertebral body of a patient or other anatomical site.

Bone cement mixing and delivery system with automated bone cement transfer between mixer and delivery device

Method of mixing bone cement with two mixing paddles

A bone cement mixing and delivery system is provided. The system includes a mixing cartridge for receiving liquid and powder components of bone cement, a mixing device for mixing the components, and a delivery gun for discharging the bone cement from the mixing cartridge. The mixing cartridge comprises a cylinder having proximal and distal ends with a cylinder wall extending between the ends. A piston is locked at the distal end by a locking member that includes a pair of locking tabs protruding into slots in the cylinder wall. With the piston in the locked position, the mixing device, e.g., a mixing shaft and blade, mixes the components. After mixing, the cartridge is placed in the delivery gun and release buttons on the locking member are engaged by a release mechanism on the delivery gun to release the piston from the locked position.

Bone cement mixing and delivery system including a delivery gun and a cartridge having a piston, the delivery gun configured to release the piston

A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and deliver the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle and a mixing blade releasably coupled to the handle to mix the components of the bone cement. A quick-release connector and a release device are used to lock and unlock the mixing blade from the removable handle.

Bone cement mixing and delivery device with releasable mixing blade

A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.

Growing community of inventors

Paw Paw, MI, United States of America

Jared Paul Coffeen