Stryker Corporation

Kalamazoo, MI, United States

Stryker Corporation

Kalamazoo, MI, United States
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Patent
Stryker Corporation | Date: 2017-02-08

A patient bed (100) includes a patient support, a base (200), said patient support mounted relative to said base, said base having a plurality of bearing members (202) for moving said base and said patient support across a surface, each of said bearing members including a brake operatively associated therewith. The patient bed further includes an electrical control system (1000), said electrical control system having a user actuatable device and being configured to actuate one or more of said brakes upon actuation of said user actuatable device.


Patent
Stryker Corporation | Date: 2017-02-01

A person support apparatus (10) includes a base (13), a controller, and a barrier (12) having at least one electrical device and mounting structures (15) for releasably mounting the barrier (12) to the base (13). A first electrical connector (24) is in communication with the at least one electrical device and mounted to the barrier (12). A second electrical connector (20) is in communication with the controller for connection with the first electrical connector (24) when the barrier (12) is mounted to the base (13) at the mounting structures (15). An obstruction indicator indicates an obtrusive object between the electrical connectors (20, 24). The mounting structures (15) include a protruding structure (16) protruding from the barrier (12) or the base (13). The protruding structure (16) comprises either the first or the second connector, and formes the obstruction indicator.


Patent
Stryker Corporation | Date: 2017-01-18

A patient support includes a gel-based cushioning layer and an air distribution manifold located beneath the cushioning layer. The cushioning layer includes a plurality of transverse passageways extending therethrough to allow airflow through the cushioning layer and to the patient interface with the cushioning layer.


Patent
Stryker Corporation | Date: 2017-01-25

A system for manipulating tissue comprises an access cannula having a lumen, a cannula adapter, rotationally and axially locked to said access cannula, and a deformable conduit assembly comprising a deformable conduit and a hub coupled to said deformable conduit. The lumen of the access cannula is dimensioned to allow the said deformable conduit to be disposed within said access cannula. Said cannula adapter is configured to cooperate with said hub to releasably fix said access cannula to said deformable conduit in the axial direction to prevent the access cannula from moving in a longitudinal direction relative to said hub.


Patent
Stryker Corporation | Date: 2017-03-22

A patient support apparatus including a seat section, a backrest section that is movable relative to the seat section, and an arm supported relative to the seat section. The arm is adapted to move between a first position adjacent the seat section for use as an arm rest for a person sitting on the patient support apparatus to a raised second position adjacent the backrest section. The arm and the backrest section are coupled together when the arm is in the raised second position wherein the arm moves with the backrest section.


A powered surgical tool that includes a housing with a head and a handle that extends from the head. An electric motor is disposed in the head. A trigger extends from the handle. There is a void space in the handle. A plate separates the motor from the handle. Internal to the handle void space there is a rotor sensor and a control circuit. The rotor sensor is able to monitor the magnetic fields emitted by the motor rotor and that pass through the plate. The control circuit receives signals from the rotor sensor representative of the rotational orientation of the rotor and is further able to monitor the actuation of the trigger. Based on the rotor orientation signals and the actuation of the trigger, the control circuit generates signals that result in the selective generation of power signals to the motor rotor.


Patent
Stryker Corporation | Date: 2017-01-12

An end effector includes a drive system to rotatably drive a removeable cutting accessory. The cutting accessory defines a bore. The drive system includes a drive member that defines a lumen. A cartridge is provided to deliver liquid from a liquid source, through the lumen of the drive member, through the bore of the cutting accessory, and to a surgical site.


Navigation systems and methods used to track objects moving in space. One navigation system and method employs trackers having light emitters for indicating when line-of-sight between tracking elements on the trackers and sensors is obstructed or for other errors. Another navigation system and method instructs users on how to place a tracker with respect to an object to reduce line-of-sight issues during a surgical procedure.


A lavage unit (50) includes a handpiece housing a pump (560, 620) to which an irrigation tube (550) is connected. The pump includes a bellows (560, 620) defining a pump chamber (576, 624). When the bellows is reciprocated by a linkage (602, 608), the bellows draws irrigation fluid from the irrigation tube (540) into the pump chamber and then discharges the fluid out of the pump chamber through an outlet (590). The pump further includes a section (566, 628) formed from compressible or flexible material that defines a supplemental chamber (568, 630). The linkage (602, 608) is connected to said pump to alternatively compress the bellows forming the pump chamber (576, 624) and the material forming the pump supplemental chamber (568, 630). During the movement of the linkage a valve (582, 638) located between the pump chamber and the supplemental chamber reciprocates with the linkage.


A powered surgical handpiece includes a housing, an electric motor disposed in the housing, the motor including plural windings, and a rotor having a longitudinal axis and an even number of magnets. The rotor is disposed within the windings. The powered surgical handpiece further includes an output drive shaft connected to the motor rotor to be rotated by the motor rotor, the output drive shaft having an elongated bore dimensioned to receive the shaft of a cutting accessory. Furthermore, the powered surgical handpiece includes a coupling assembly with at least one locking element that extends into the bore of the output drive shaft, the at least one locking element releasably holding the cutting accessory shaft to the output drive shaft so that the cutting accessory shaft rotates in unison with the output drive shaft. The rotor is formed with an axially extending bore and the magnets are disposed in the rotor bore, wherein each said magnet has an outer surface located adjacent the bore-defining inner surface of said rotor, and two side surfaces that extend away from the outer surface and towards the longitudinal axis of said motor rotor so as to define a corner between the inner side surfaces that is located adjacent the longitudinal axis of the rotor and spaced inwardly from the magnet outer surface. The magnets are arranged so that a first pole of a said magnet is located at the outer surface of the magnet and the opposed second pole is located at the corner of the magnet and said magnets are disposed in the rotor bore so that arcuately adjacent magnets have corners with opposed magnetic polarities.

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