Abstract: A surgical helmet assembly including a ventilation system for circulating air around the head of a user. The surgical helmet assembly includes a surgical helmet including a brow bar to be positioned around the head of the user and a chin bar extending from the surgical helmet to be positioned in front of the chin of the user. The chin bar and brow bar include an airflow channel in fluid communication with a fan at the rear of the surgical helmet. The fan generates a flow of air from an airflow inlet at the rear of the surgical helmet through the airflow channel in the chin bar to an airflow outlet in the chin bar and past a user's face in an upward direction and through the airflow channel in the brow bar to an airflow outlet in the brow bar and upward over the user's head.

Abstract: A dermatome having a head, a neck, and a handle. The head of the dermatome may include a main housing at least partially defining a cavity and a removable member that may be configured to removably engage the main housing. The main housing may include one or more features configured to guide the removable member into alignment with the main housing and/or one or more features configured to engage the removable member. The removable member of the dermatome may be made from a different material than the main housing. The neck may include a first portion and a second portion, where the first portion is made from a different material than the second portion. The dermatome may be configured to connect to one or more of a fluid power source, a battery power source, and a wall power source.

Abstract: A skin graft mesher including a cutting roller and a guide roller rotatably mounted to a fixture. A skin graft may be advanced through the mesher between the rollers to form a pattern of perforations in the skin graft. The cutting roller includes cutting rings disposed on an axle and rotatable therewith. The cutting roller further includes a tissue clearing structure positioned between adjacent cutting rings with the axle extending through the tissue clearing structure and rotatable relative to the tissue clearing structure. The tissue clearing structure may clear tissue from between adjacent cutting rings during operation of the skin graft mesher. The tissue clearing structure may be eccentrically rotated about the axle between adjacent cutting rings with the tissue clearing structure extending radially outward beyond the outer diameter of the cutting ring around less than the entire outer circumference of the cutting ring.

Abstract: A method of cleaning a dermatome includes sealing an inlet fluid path and an outlet fluid path of a valve of the dermatome, the inlet fluid path configured to deliver a pressurized fluid to an interior of the dermatome to power the dermatome when open, and the outlet fluid path configured to expel an exhaust fluid from the interior of the dermatome when open. The method further includes washing the dermatome with the inlet and outlet fluid paths sealed.

Abstract: An instrument for facilitating the insertion of a pin or wire into a bone or other structure. The instrument includes a body, a first shaft and a second shaft at least partially positioned within the body, an actuator in communication with the second shaft, a first holding feature, and a second holding feature. The first shaft may include a lumen about a longitudinal axis, with the first shaft being rotatable about the longitudinal axis. The second shaft may be axially mobile and may be positioned at least partially around the first shaft. The first holding feature may be located adjacent a first position along the longitudinal axis and may be able to passively apply a first force to an elongated member received in the lumen. The second holding feature may be capable of applying a second force to the elongated member received in the lumen.

Abstract: A dermatome having a main body, a blade assembly and a blade guard, where the blade assembly has a blade edge and the blade guard has a base and a fence extending from the base toward the blade assembly so as to face the blade edge. The blade guard may include at least one blade assembly locator to facilitate the alignment of the blade guard with the blade assembly. A blade guard assembled on the blade assembly may operate so as to prevent unintended contact between the blade edge and objects.

Abstract: A tourniquet cuff has a body configured for being wrapped around a limb. The body has an unpressurized state and a pressurized state. A securing portion on the body is releasably engageable to the body. The cuff also has an indicator that operates in response to movement of the securing portion for locating where the securing portion engages the body in order to apply a predetermined amount of force sufficient to secure the body to a limb without causing significant venous occlusion at the limb when the body is in the unpressurized state.

Abstract: A dermatome having a blade assembly, where the blade assembly includes a blade and a blade mount. The blade may include a blade edge, a reference edge and at least one hole or receiver positioned between the blade edge and the reference edge. The blade mount may include a base, a blade locator extending from the base and at least one reference fence abutting the reference edge of the blade. The blade locator may include a protrusion for inserting into the hole or receiver of the blade. The blade and blade mount of the blade assembly may self align and provide for a simple and permanent connection.

Abstract: A skin graft mesher including a cutting roller and a guide roller rotatably mounted to a fixture. A skin graft may be advanced through the mesher between the rollers to form a pattern of perforations in the skin graft. The cutting roller includes cutting rings disposed on an axle and rotatable therewith. The cutting roller further includes a tissue clearing structure positioned between adjacent cutting rings with the axle extending through the tissue clearing structure and rotatable relative to the tissue clearing structure. The tissue clearing structure may clear tissue from between adjacent cutting rings during operation of the skin graft mesher. The tissue clearing structure may be eccentrically rotated about the axle between adjacent cutting rings with the tissue clearing structure extending radially outward beyond the outer diameter of the cutting ring around less than the entire outer circumference of the cutting ring.

Abstract: A surgical helmet assembly including a ventilation system for circulating air around the head of a user. The surgical helmet assembly includes a surgical helmet including a brow bar to be positioned around the head of the user and a chin bar extending from the surgical helmet to be positioned in front of the chin of the user. The chin bar and brow bar include an airflow channel in fluid communication with a fan at the rear of the surgical helmet. The fan generates a flow of air from an airflow inlet at the rear of the surgical helmet through the airflow channel in the chin bar to an airflow outlet in the chin bar and past a user's face in an upward direction and through the airflow channel in the brow bar to an airflow outlet in the brow bar and upward over the user's head.

Abstract: A dermatome having a handle and an attachment including a valve, where the valve may include a first bobbin at least partially defining a first flow path and a second flow path, a second bobbin at least partially defining a first flow path, an inlet port at least partially defined by the second bobbin and an outlet port at least partially defined by the first bobbin. The ports of the valve may open in response to an application of a mechanical act to the attachment and the ports may close in response to the absence or removal of the mechanical act.

Abstract: A tourniquet cuff has a body configured for being wrapped around a limb. The body has an unpressurized state and a pressurized state. A securing portion on the body is releasably engageable to the body. The cuff also has an indicator that operates in response to movement of the securing portion for locating where the securing portion engages the body in order to apply a predetermined amount of force sufficient to secure the body to a limb without causing significant venous occlusion at the limb when the body is in the unpressurized stated.

Abstract: A dermatome has a blade that generally defines a plane and a body generally defining a longitudinal axis. The body also that has at least one flat outer surface for engaging the tissue and an end portion that is configured to hold the blade so that the plane of the blade is generally parallel to the longitudinal axis and non-parallel to the flat outer surface at a predetermined angle.

Abstract: A skin graft mesher including a cutting roller and a guide roller rotatably mounted to a fixture. A skin graft may be advanced through the mesher between the rollers to form a pattern of perforations in the skin graft. The cutting roller includes cutting rings disposed on an axle and rotatable therewith. The cutting roller further includes a tissue clearing structure positioned between adjacent cutting rings with the axle extending through the tissue clearing structure and rotatable relative to the tissue clearing structure. The tissue clearing structure may clear tissue from between adjacent cutting rings during operation of the skin graft mesher. The tissue clearing structure may be eccentrically rotated about the axle between adjacent cutting rings with the tissue clearing structure extending radially outward beyond the outer diameter of the cutting ring around less than the entire outer circumference of the cutting ring.

Abstract: A dermatome having a main body, a blade assembly and a blade guard, where the blade assembly has a blade edge and the blade guard has a base and a fence extending from the base toward the blade assembly so as to face the blade edge. The blade guard may include at least one blade assembly locator to facilitate the alignment of the blade guard with the blade assembly. A blade guard assembled on the blade assembly may operate so as to prevent unintended contact between the blade edge and objects.