30 results about "Tissue Harvesting" patented technology

Devices and methods are provided for extracting and macerating tissue, and optionally for depositing the tissue onto a tissue scaffold. The device generally includes an outer tube having a substantially open distal end that is adapted to be placed on and preferably to form a seal with a tissue surface, and a shaft rotatably disposed within the outer tube and movable between a first, proximal position in which the shaft is fully disposed within the outer tube, and a second, distal position in which a portion of a distal end of the shaft extends through the opening in the distal end of the outer tube. The device also includes a tissue harvesting tip formed on the distal end of the shaft that is effective to excise a tissue sample when the shaft is moved to the distal position, and a cutting member that is coupled to the shaft at a position proximal to the tissue harvesting tip. The cutting member is effective to macerate a tissue sample excised by the tissue harvesting tip.

The present invention relates to methods and device for extracting and collecting tissue, which can be used for example in tissue engineering and grafting applications. In one embodiment, a device can include an outer tube. A rotatable shaft can be disposed within the outer tube and can have a tissue harvesting tip formed on its distal end, the tissue harvesting tip being effective to excise tissue upon rotation thereof. A tissue collection device can be included to receive and collected excised tissue, and the tissue collection device can indicate the amount of tissue collected therein. For example, the tissue collection device can include a straining element which collects excised tissue and an indicator by which to assess the amount of collected tissue. In some embodiments, the tissue collection device can translate to indicate the amount of collected tissue. In many cases, devices disclosed herein can include driving mechanisms that are adapted to drive a tissue harvesting tip such that the tip excises soft tissue, but stops when contacting bone (or soon after contacting bone). In some embodiments, the tissue harvesting tip can be effective to excise viable tissue samples, such that the samples can exhibit desirable proportions of viable cells. Further, in some embodiments, the tissue harvesting tips can excise a tissue sample with tissue particles falling in certain size ranges.

Methods and device for extracting and collecting tissue, which can be used for example in tissue engineering and grafting applications, are disclosed. In one embodiment, a device (90) can include an outer tube (102). A rotatable shaft (110) can be disposed within the outer tube can have a tissue harvesting tip (106) formed on its distal end, the tissue harvesting tip being effective to excise tissue upon rotation thereof. A tissue collection device (128) can be included to receive and collected excised tissue, and the tissue collection device can indicate the amount of tissue collected therein. For example, the tissue collection device can include a straining element (1616) which collects excised tissue and an indicator by which to assess the amount of collected tissue. In some embodiments, the tissue collection device can translate to indicate the amount of collected tissue. In many cases, devices disclosed herein can include driving mechanisms (112) that are adapted to drive a tissue harvesting tip such that the tip excises soft tissue, but stops when contacting bone (or soon after contacting bone). In some embodiments, the tissue harvesting tip can be effective to excise viable tissue samples, such that the samples can exhibit desirable proportions of viable cells. Further, in some embodiments, the tissue harvesting tips can excise a tissue sample with tissue particles falling in certain size ranges.

A tissue separating device (100) is provided. The tissue separating device (100) includes a canister device (20) including a canister body (21) defining a volume. A tissue retrieval port (36) can be arranged on the canister device (20) and is capable of being arranged in fluid communication with a harvesting device (300) for directing a fatty liposuction aspirate into the volume of the canister device (20). An adjustable height filtration mesh assembly (50) can be arranged within the canister body (21) and can include a filtering mesh (62). A tissue harvesting port (24) can be arranged in the sidewall of the canister body (21) and can be capable of being arranged in communication with a collection device (400) to allow the tissue harvesting port (24) to atraumatically receive a filtered pure fat collected on the filtering mesh (62). The filtration mesh assembly (50) can be movably arranged within the canister body (21) such that the filtering mesh (62) is adjustable with respect to the tissue harvesting port (24).

A tissue harvesting device (1), comprising a rotary cutting tool (10) adapted to cut soft tissue and a collection container (20) including a central bore (21) extending in a longitudinal direction and with a distal opening (22), wherein the cutting tool is arranged in the central bore of the collection container and adapted to pass through the distal opening and draw harvested soft tissue fragments into the collection container, and a housing (30) accommodating the cutting tool and the collection container, wherein the collection container is axially movable with respect to the housing.