138results about How to "Promote vascularization" patented technology

An intramedullary nail, comprises a proximal portion, a middle portion and a distal portion. The proximal portion has a longitudinal slot and the distal portion has at least one transversal bore. The proximal portion has a longitudinal axis and a longitudinal bore extending over the longitudinal extension of the slot in the distal direction. The longitudinal bore has an internal thread. An insert which is intended to be inserted in the longitudinal bore. The insert comprises a guiding bore in the form of a slot which is intended to receive fixing elements. The alignment of the guiding bore of said insert is transverse with respect to the longitudinal axis of the proximal portion. The insert has a compression screw adapted to be screwed into said internal thread of the longitudinal bore of the proximal portion to move a fixing element in the direction of the longitudinal axis of the intramedullary nail.

The invention discloses a method for performing three-dimensional printing on a biological ceramic bracket based on light-cured molding. The method comprises the following steps: firstly, mixing biological ceramic, a biological glass sintering aid and resin premixed liquid uniformly to obtain photosensitive ceramic slurry; putting the photosensitive ceramic slurry on light-cured molding equipment, and performing three-dimensional printing on a biological ceramic bracket green body according to a three-dimensional model which is input into a forming machine; drying, degreasing and sintering the biological bracket green body to obtain the biological ceramic bracket. The biological ceramic bracket has the following characteristics: the three-dimensional size is not limited, the strength is high, 100 percent of three-dimensional holes are communicated, and the hole structure is accurately controllable, and the application prospect in the field of a bone defect repairing material is good.

The invention relates to a porous scaffold structure, in particular to a low-modulus medical implant porous scaffold structure, and belongs to the field of medical implant material. The low-modulus medical implant porous scaffold structure is formed by sequentially overlaying a plurality of basic units in three-dimensional space along three-dimensional directions, wherein each basic unit comprises a quadruple prism body or a hexagonal prism body with a center communicating hole, formed by four or six side walls; each side wall adopts an X-shaped framework structure formed by intersecting two square ribs; the center communicating holes of each two adjacent basic units along the axis of the quadruple prism body or the hexagonal prism body are mutually communicated. The structure not only reduces the implant modulus, ensures that the implant modulus is perfectly matched with the implant strength, improves the configuration of a traditional metal implant, optimizes the mechanical distribution and reduces the stress shielding effect, but also has a regular through hole structures, is beneficial to the ingrowth of bone tissue, and can also enhance the mutual locking between the bone tissue and the implant, and shorten the rehabilitation time of patients.

A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte includes a site housing and a resealable insertion site coupled to one end of the site housing. Preferably, the site housing is formed to have an interior cavity, and includes an outer membrane made of a material selected to promote vascularization and having a first pore size, and an inner membrane made of a material selected to be free of tissue ingress. Also, the site housing permits the analyte to pass through the site housing to the interior cavity to permit measurement by the replaceable analyte sensor. The resealable insertion site is provided for inserting the replaceable analyte sensor into the interior cavity of the site housing.

Tissue engineering devices and methods employing scaffolds made of absorbable material for use in the human body for tissue genesis and regenerative and cellular medicine including breast reconstruction and cosmetic and aesthetic procedures and supplementing organ function in vivo.