Abstract: A suturing apparatus and method thereof using autotransfer are provided. The suturing apparatus includes a tube that has a rod movable there within and a needle that has an insertion portion. A suture engages with a tip of the needle or the tube. The insertion portion of the needle is inserted through a material prior to engagement with the suture and is withdrawn with the suture back through the material. The suturing system allows for single hand operation, thus simplifying a suturing process.

Abstract: A K-nearest neighbour rock burst prediction method and device based on big data visualization analysis are provided. The method includes the following steps: S1, obtaining spectrum characteristics and amplitude/energy characteristics of rocks according to rock data; and S2, accurately predicting rock burst by a K-nearest neighbour algorithm according to the spectrum characteristics and the amplitude/energy characteristics. By adopting the technical scheme, the rock burst can be accurately predicted to avoid huge economic and casualties.

Abstract: A suturing system is provided. The suturing system includes a rod having a magnetic tube extending from an end thereof. Additionally, the system includes a magnetic needle having one end attracted into the tube to magnetically engage therewith. The engagement of the needle and the tube is released after the needle is inserted through a material.

Abstract: A suturing device is provided that includes a handle with a rod extending therefrom and a needle member into which the rod is inserted to engage therewith. A suture is attached to an outer surface of the needle member. The needle member includes expandable fins formed at a proximate end thereof that expand after the needle member is passed through a tissue to prevent a backward movement of the needle member in a suturing procedure.

Abstract: A suturing apparatus and method thereof using autotransfer are provided. The suturing apparatus includes a tube that has a rod movable there within and a needle that has an insertion portion. A suture engages with a tip of the needle or the tube. The insertion portion of the needle is inserted through a material prior to engagement with the suture and is withdrawn with the suture back through the material. The suturing system allows for single hand operation, thus simplifying a suturing process.

Abstract: A suturing system and a method thereof are provided. The suturing system includes a tube that has a first rod moveable therein and a second rod that is coupled to an outer surface of the tube. A needle is coupled to an end of the tube and includes an insertion portion. In addition, a suture lock is inserted onto the second rod and a first end of a suture engages with a tip of the needle or the tube. A second end of the suture is fixed within the suture lock. The insertion portion is engaged with the first end of the suture prior to insertion through the material. The suturing system allows for single handed operation, thus simplifying a suturing process while improving accuracy.

Abstract: A suture lock device is provided that includes a tube and a plurality of protrusions. The tube has a passageway formed therethrough and the protrusions extend from at least a portion of an inner surface of the tube to pierce a suture. The tube receives both ends of the suture through the passageway and is then moved to abut a surgical site. The protrusions are deformable in one direction to lock the suture in place and maintain the tube to abut the surgical site.

Abstract: Provided is a device for optimizing a diffusion section of an electron beam, comprising two groups of permanent magnets, a magnetic field formed by the four magnetic poles extending the electron beam in a longitudinal direction, and compressing the electron beam in a transverse direction, so that the electron beam becomes an approximate ellipse; another magnetic field formed by the eight magnetic poles optimizing an edge of a dispersed electron-beam bunch into an approximate rectangle; by controlling the four longitudinal connection mechanisms so that the upper magnetic yoke and the lower magnetic yoke of the first group of permanent magnets move synchronously towards the center thereof thereby longitudinally compressing the electron beam in the shape of an approximate ellipse, and the upper magnetic yoke and the lower magnetic yoke of the second group of permanent magnets move synchronously towards the center thereof thereby longitudinally compressing the electron beam in the shape of an approximate rectangl

Abstract: Stitching apparatus and methods are provided for placing a stitch through a layer of material such as tissue. Preferred methods include piercing a needle element through tissue, engaging a thread with the needle, and pulling the thread through the tissue. The needle suitably releasably engages the thread, e.g. magnetic engagement of the needle and thread.

Abstract: Provided is a device for optimizing a diffusion section of an electron beam, comprising two groups of permanent magnets, a magnetic field formed by the four magnetic poles extending the electron beam in a longitudinal direction, and compressing the electron beam in a transverse direction, so that the electron beam becomes an approximate ellipse; another magnetic field formed by the eight magnetic poles optimizing an edge of a dispersed electron-beam bunch into an approximate rectangle; by controlling the four longitudinal connection mechanisms so that the upper magnetic yoke and the lower magnetic yoke of the first group of permanent magnets move synchronously towards the center thereof thereby longitudinally compressing the electron beam in the shape of an approximate ellipse, and the upper magnetic yoke and the lower magnetic yoke of the second group of permanent magnets move synchronously towards the center thereof thereby longitudinally compressing the electron beam in the shape of an approximate rectangl

Abstract: The present invention provides a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight. The invention also provides a method of forming a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight.

Abstract: The present invention provides a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight. The invention also provides a method of forming a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight.