Dynamic Biometric Mesh

Abstract

A dynamic biometric mesh ( 10 ) has a plurality of radial members ( 30 ) and a plurality of catenaries ( 20 ). Each catenary ( 20 ) extends between and is fixed to at least one pair of adjacent radial members ( 30 ). The plurality of catenaries ( 20 ) and radial members ( 30 ) form a low mass structural system arranged in an architecture configured to be structurally stable in tension and pliable for deployment and integration with biologic tissue.

What is claimed is: 
     
         1 . A dynamic biometric mesh comprises:
 a plurality of radial members;   a plurality of catenaries, each catenary extending between and fixed to at least one pair of adjacent radial members; and   wherein the plurality of catenaries and radial members form a low mass structural system arranged in an architecture configured to be structurally stable in tension and pliable for deployment and integration with biologic tissue.   
     
     
         2 . The dynamic biometric mesh of  claim 1  further comprises:
 a central region or opening from which the radial members extend outwardly to ends defining an outer perimeter; and 
 wherein the plurality of catenaries are arranged in circumferential extending rows spaced along lengths of the radial members. 
 
     
     
         3 . The dynamic biometric mesh of  claim 2  wherein adjacent circumferential extending rows are more closely spaced near the center region and increase in spacing towards the outer perimeter. 
     
     
         4 . The dynamic biometric mesh of  claim 1  wherein the plurality of catenaries are fixed to radial members and the sag or hang between the radial members in the rage from 0, a straight line, or greater than 0 evidencing a curved hanging path, each catenary having zero tension in a flat plane when formed as a mesh. 
     
     
         5 . The dynamic biometric mesh of  claim 1  wherein one or more catenaries has a positive sag or hang (a), (a) being a drop or sag between a straight line passing through the fixed ends at the radial member. 
     
     
         6 . The dynamic biometric mesh of  claim 1  wherein the catenaries are elastic having a defined stretch under tension. 
     
     
         7 . The dynamic biometric mesh of  claim 6  wherein the radial members are elastic having a defined stretch under tension. 
     
     
         8 . The dynamic biometric mesh of  claim 1  wherein the mesh is conformable about a convex curvature. 
     
     
         9 . The dynamic biometric mesh of  claim 8  wherein the outer perimeter has a plurality of attachment or anchoring points to attach the mesh to tissue. 
     
     
         10 . The dynamic biometric mesh of  claim 9  wherein the mesh can be stretched to the attachment points to pre-tension the mesh along the attachments. 
     
     
         11 . The dynamic biometric mesh of  claim 10  wherein the pre-tensioning of the mesh places a tension on the catenaries and wherein the catenaries achieve a tensioned equilibrium after being affixed. 
     
     
         12 . The dynamic biometric mesh of  claim 11  wherein the catenaries stretch under expansion or retract under contraction in relation to the movement of the tissue to which the mesh is affixed. 
     
     
         13 . The dynamic biometric mesh of  claim 1  wherein the mesh has an asymmetric configuration having an upper hemisphere extending above the central opening of increased elasticity or stretch and a lower hemisphere having a reduced elasticity or stretch. 
     
     
         14 . The dynamic biometric mesh of  claim 13  wherein the lower hemisphere has a plurality of struts, each strut extending diagonally between adjacent catenaries and adjacent radial members. 
     
     
         15 . The dynamic biometric mesh of  claim 14  wherein the struts are attached to intersections of a respective catenary and radial members. 
     
     
         16 . The dynamic biometric mesh of  claim 12  wherein at least an upper portion or hemisphere of the mesh can expand under tension at least to 150% from its as formed unattached structure. 
     
     
         17 . The dynamic biometric mesh of  claim 16  wherein the radial members and the catenaries have the same elasticity. 
     
     
         18 . The dynamic biometric mesh of  claim 14  wherein the struts, radial members and catenaries have the same elasticity. 
     
     
         19 . The dynamic biometric mesh of  claim 14  wherein the struts of the lower hemisphere are positioned diagonally at each intersection and can be selectively removed by cutting one or more struts to tune the structure of the mesh to accommodate the tissue to which the mesh is attached. 
     
     
         20 . The dynamic biometric mesh of  claim 1  wherein one or more of the plurality of catenaries is formed as a shelf having a width (w) and a length (l) creating top and bottom surface areas to affix biological materials, chemicals or pharmaceuticals to enhance tissue integration. 
     
     
         21 . The dynamic biometric mesh of  claim 1  wherein the mesh is formed by weaving monofilaments in a multi-ply configuration. 
     
     
         22 . The dynamic biometric mesh of  claim 21  wherein the mesh is a three ply configuration. 
     
     
         23 . The dynamic biometric mesh of  claim 1  wherein the mesh redirects forces from lateral tension into rostral-caudal alignment to direct reconstitution and normalize tissue repair. 
     
     
         24 . The dynamic biometric mesh of  claim 1  wherein the mesh is a multi-tiered structure having two or more connected layers of mesh. 
     
     
         25 . The dynamic biometric mesh of  claim 1  wherein the mesh distributes tension across the catenaries and radial members to dissipate dynamic forces at the anchoring points. 
     
     
         26 . The dynamic biometric mesh of  claim 1  wherein the mesh is configured for attachment to an abdominal wall for use in repair of abdominal wall hernias. 
     
     
         27 . The dynamic biometric mesh of  claim 1  wherein the mesh is configured to provide dynamic stabilization and support of breast tissue. 
     
     
         28 . The dynamic biometric mesh of  claim 1  wherein the mesh is degradably defined by the material composition to be selectively absorbed or biologically integrated into the tissue to which it is attached. 
     
     
         29 . The dynamic biometric mesh of  claim 1  wherein the mesh is formed using one or more techniques such as cast, printed, corrugated, embossed, extruded, die cut, welded, laser etched, laser modified tissue mimetic biodynamic or any combination thereof. 
     
     
         30 . The dynamic biometric mesh of  claim 29  wherein the mesh has random or preferred surface orientation and roughness. 
     
     
         31 . The dynamic biometric mesh of  claim 1  wherein intrinsic cell instruction properties are engineered into fibers which make up the catenaries and radial members using laser etching, the cell instruction properties of the mesh promotes incorporation of the mesh into surrounding tissues by promoting tissue ingrowth. 
     
     
         32 . The dynamic biometric mesh of  claim 1  wherein metal salts are incorporated into fiber of the catenaries and radial members to act as competitive inhibitors to mediators of inflammatory response. 
     
     
         33 . The dynamic biometric mesh of  claim 32  wherein these metal salts include titanium dioxide as a competitive inhibitor of metalloprotease mediators of the inflammatory response. 
     
     
         34 . The dynamic biometric mesh of  claim 1  wherein the mesh is conditioned with autologous mesenchymal stem cells (MSCs) derived from processed adipose tissue, and consistent with the stromal vascular fraction (SVF). 
     
     
         35 . The dynamic biometric mesh of  claim 34  wherein the mesh is conditioned with the MSCs in a bioreactor in advance of insertion into the hernia defect. 
     
     
         36 . The dynamic biometric mesh of  claim 35  wherein the mesh has a matrix to enhance cell attachment, stimulate differentiation and accentuate force transduction in alignment of the cell orientation. 
     
     
         37 . The dynamic biometric mesh of  claim 36  wherein the mesh is a biosynthetic composite structure customized to the subject and accelerates incorporation into adjacent tissues. 
     
     
         38 . The dynamic biometric mesh of  claim 1  wherein the mesh is manufactured using a 3-D printing technology. 
     
     
         39 . The dynamic biometric mesh of  claim 38  wherein the mesh is made on demand and to precisely match the hernia defect in the subject based on non-invasive measurements including physical examination. 
     
     
         40 . The dynamic biometric mesh of  claim 1  wherein the mesh is formed as a broad platform of uniform isotropic distributed radial members and catenaries or struts formed by either printed, laser cut, die cut, embossed, sprayed on suitable differential electrodes to align charge, or other means. 
     
     
         41 . The dynamic biometric mesh of  claim 40  wherein the catenaries, radial members or struts are over sprayed with collagen, PGLA, PCL, Poly-imides, or other bio-absorbable polymers. 
     
     
         42 . The dynamic biometric mesh of  claim 1  wherein the mesh emulates zoomorphic design, specifically that of a spider web, and is intended to possess an open architecture thus reducing infection and inflammation. 
     
     
         43 . The dynamic biometric mesh of  claim 42  wherein the stress or elongation characteristics of the mesh are suited to accommodating the cyclical load bearing properties of the ventral abdominal wall and the interstices of the mesh are smaller than 12 mm or less. 
     
     
         44 . The dynamic biometric mesh of  claim 1  wherein the mesh incorporates one or more features in cross section of a woody stem, of a plant branching interface, demonstrates regular and randomized cells, Fibonacci and ordered arrays, varying diameters and regular, ordered arrays of inner cells any of which imparting structural tension to lateral distortion without imposing material stiffness. 
     
     
         45 . The dynamic biometric mesh of  claim 1  wherein the tensile strength of the catenaries or radial members are formed as fibers having a tensile strength in the range of 50 to 150 N/m. 
     
     
         46 . The dynamic biometric mesh of  claim 45  wherein the tensile strength of the catenaries or radial members are formed as fibers having a tensile strength of 100 N/m. 
     
     
         47 . The dynamic biometric mesh of  claim 1  wherein the catenaries and radial members have a fiber diameter of 0.2 mm or greater. 
     
     
         48 . The dynamic biometric mesh of  claim 47  wherein the catenaries and radial members have a fiber diameter of 0.26 mm. 
     
     
         49 . The dynamic biometric mesh of  claim 45  wherein the Young's modulus of component fibers is 34 GPa or greater. 
     
     
         50 . The dynamic biometric mesh of  claim 9  wherein the suture pull out strength is at least 5.5 kg at the outer perimeter of the mesh.