A protective member for a medical instrument includes a body portion having an inner side wall defining an interior, configured to receive at least a portion of the medical instrument. The body portion also includes a first end and a second end, wherein at least one of the first end and the second end is configured to at least partially close the respective first end and/or second end of the body portion. The at least partially closed first end and/or second end is configured to be opened for use of the medical instrument, such that the medical instrument can pass through both the first and second ends of the body portion during use, while the inner side wall surrounds a portion of the medical instrument. The body portion is configured for use during a medical procedure using the medical instrument, for example, as a tissue protector or a drilling guide.

A needling device includes a plurality of needles forming a needle array, and a motor assembly for driving the needle array, where each of the plurality of needles includes a needle tip at one end, and tapers at a taper angle and along a taper length to a maximum needle diameter at the other end, and in use, a skin reference surface of the needling device is in contact with a subject's skin.

Systems and methods for preventing the seeding of cancerous cells during morcellation of a tissue specimen inside a patient's body and removal of the tissue specimen from inside the patient through a minimally-invasive body opening to outside the patient are provided. One system includes a cut-resistant tissue guard removably insertable into a containment bag. The tissue specimen is isolated and contained within the containment bag and the guard is configured to protect the containment bag and surrounding tissue from incidental contact with sharp instrumentation used during morcellation and extraction of the tissue specimen. The guard is adjustable for easy insertion and removal and configured to securely anchor to the body opening. Protection-focused and containment-based systems for tissue removal are provided that enable minimally invasive procedures to be performed safely and efficiently.

A device is described. The device includes a suture guide and a tissue retracting surface to enable accurate and safe delivery of sutures through tissue.

A device and method is provided to gain access to interior body regions. The system includes a safety needle assembly, a stylet assembly, a blade assembly, an obturator assembly, and a dilator assembly. The safety needle assembly or stylet assembly accesses an interior body region, after which the blade assembly expands the pathway created by the safety needle assembly or stylet assembly. The obturator then further expands the pathway and delivers the dilator assembly to the desired location. The safety needle assembly, obturator assembly, and blade assembly are removed, leaving the dilator assembly in place for future procedures.

Embodiments of the invention include instruments (100, 200, 400, 1100, 1400, 2100, 2400, 3400) and methods useful in delivering graft material (1) to a surgical site. Some embodiments may particularly be directed to forming a graft (1) and accurately and effectively handling and delivering the graft (1) to a surgical site arthroscopically. Graft material (1) may include blood components such as clotted fibrin derived from a patient's or a donor's blood.

A tissue guard includes a body having a proximal end and a distal end and defining a lumen therethrough. The distal end has a long petal and a short petal disposed in substantial opposition relative to one another and the short petal is configured to move between a first position wherein the short petal is disposed within the lumen to facilitate insertion of the long petal within an incision and a second position wherein the short petal is extended relative to the lumen and in substantial opposition to the long petal to facilitate retention of the tissue guard within the incision.

A force sensor includes a substrate, a plurality of sensing elements, and a plate. The substrate includes a central aperture extending along a longitudinal axis of the substrate, and has a proximal surface, a distal surface, a first side surface, a second side surface, a top surface, and a bottom surface. A recess is defined in at least one of the distal surface, the first side surface, the second side surface, the top surface, or the bottom surface of the substrate. The plurality of sensing elements are disposed within the recess, and the plate is disposed over the recess and mounted to the substrate to hermetically seal the plurality of sensing elements within the substrate.

A system for intraosseous access can include an elongated instrument that is positioned within a cannula portion of a cannula assembly. The system can include a shield that is coupled with both the elongated instrument and the cannula assembly when in an unlocked state. The shield can permit proximal movement of the elongated instrument relative thereto when in the unlocked state. The shield can automatically transition to a locked state to attach to a distal end of the elongated instrument to restrict access to a distal tip of the elongated instrument.

A tissue retractor comprising an outer ring, an inner ring, and a flexible, metal sheath extending therebetween is described. Embodiments of the inner ring comprise a flat or wedge-shaped conformation useful for insertion between muscle layers. Other embodiments of the inner ring include variable diameter inner rings, where the diameter can be adjusted as required and optionally locked into place, and reshapeable inner rings that permit a user to conform the inner ring to the anatomy of the patient when placing the inner ring.