Abstract: Systems and methods for retractor interference avoidance is provided. At least one retractor includes a base and one or more elongate members extending from the base. The one or more elongate members are movable. A position of the at least one retractor may be determined and a trajectory of a surgical device may be received. At least one elongate member of the one or more elongate members positioned to interfere with movement of the device along a trajectory may be identified based on the position of the retractor and the trajectory of the surgical device.

Abstract: Provided is a wearable fluid dispenser including a reusable holster and a disposable cartridge containing fluid, wherein the cartridge is made of material having a flexibility higher than the flexibility of the holster, and wherein applying pressure to the cartridge allows dispensing onto the palm of the user's hand by way of increased pressure within the bottle resulting in the silicone valve opening and gel dispensing downwards.

Abstract: Provided is a wearable fluid dispenser including a reusable holster and a disposable cartridge containing fluid, wherein the cartridge is made of material having a flexibility higher than the flexibility of the holster, and wherein applying pressure to the cartridge allows dispensing onto the palm of the user's hand by way of increased pressure within the bottle resulting in the silicone valve opening and gel dispensing downwards.