6 results about "Needle track" patented technology

A suturing mechanism and a surgical robot, the suturing mechanism comprising a suturing needle and a suturing assembly, the suturing assembly comprising a needle track and a suturing needle driving mechanism. The needle track allows the suturing needle to pass through, and the suturing needle driving mechanism drives the suturing needle to move in the needle track; the suturing assembly comprises a first suturing assembly and a second suturing assembly which are spaced apart and opposite to each other, so that the first needle track of the first suturing assembly and the second needle track of the second suturing assembly are spaced apart and opposite to each other to form a suturing track; the first suturing needle driving mechanism of the first suturing assembly and the second suturing needle driving mechanism of the second suturing assembly drive the suturing needle to move in the suturing track alternately; one of the first needle track and the second needle track is in a minor arc shape, and the other is in an arc shape. The suturing mechanism enables the suturing needle to be guided and constrained on both sides of the tissue to be punctured, so that the motion track of the suturing needle can be kept stable, thereby improving the puncture effect.

This utility model discloses a breathable double-sided waffle knitted fabric with an outer and inner layer structure. Both the outer and inner layers are waffle structures with a raised and recessed network. The recessed patterns of the outer and inner layers are perpendicular. The fabric has a knitting structure with one needle track on the upper needle plate and one needle track on the lower needle cylinder. The knitting pattern consists of four rows forming a complete knitting cycle. According to the arrangement of the upper needle plate to the lower needle cylinder, the four rows of patterns are: the first and second rows are loops, loops; the third and fourth rows are floats, loops. The above-mentioned breathable double-sided waffle knitted fabric has a reasonable structure and a raised and recessed knitting structure. Through the perpendicularity of the recessed patterns of the outer and inner layers, small air cavities are formed. It has heat retention when static and good breathability, air circulation, and rapid heat dissipation when in motion.

Implementations of methods related to suturing devices are provided. A suturing device includes a housing defining an arcuate needle track having a first end and a second end and a gap between the first end and the second end of the arcuate needle track. The suturing device also includes a drive system to advance an arcuate needle along the arcuate needle track, the drive system including a drive member operably coupled to an elongate flexible member. The elongate flexible member can be reciprocated on at least one support surface that directs the elongate flexible member from a first path laid in a first plane parallel to a centerline of the arcuate needle track to a second path laid in a second plane different from the first plane.

Devices and methods for minimally invasive suturing are disclosed. An illustrative device includes a housing defining an arced needle track therein, the arced needle track having a first end and a second end separated by a gap in the housing configured to receive a tissue segment to be sutured, the arced needle track being configured to receive an arced needle therein. The device further includes a needle drive configured to drive the arced needle along the arced needle track in a first rotational direction, the needle drive being configured to releasably engage the arced needle and advance the arced needle along the arced needle track in the first rotational direction.

Tissue-cutting devices and methods thereof, where a tissue-cutting device is coupleable with a catheter. The tissue-cutting device includes a blade that cuts the skin during insertion of the device in a needle track to enlarge to needle tract. The tissue-cutting device is configured for lateral separation from the catheter and / or a guidewire. The tissue-cutting device includes a channel for receiving the catheter and / or a guidewire. The channel can be configured to (i) retain the catheter / guidewire within the channel in the absence of a deliberate action by the clinician and (ii) facilitate lateral removal of the catheter / guidewire from the channel in response to the deliberate action. A catheter assembly includes a catheter coupled with the tissue-cutting device. The tissue-cutting device may include a sheath extending along a distal portion of the tissue-cutting device.

A suturing mechanism and a surgical robot, the suturing mechanism comprising a suturing assembly, the suturing assembly comprising a suturing needle, a needle track and a suturing needle driving mechanism. The needle track is configured to allow the suturing needle to pass through and comprises an opening; the suturing needle driving mechanism comprises a suturing needle driving track and a suturing needle driving assembly, the suturing needle driving track and the needle track are communicated via the opening; the suturing needle driving assembly is configured to slide in the suturing needle driving track to drive the suturing needle to move in the needle track; the suturing needle driving assembly is configured to be detachably connected with the suturing needle located in the needle track to drive the suturing needle to move in the needle track. According to the suturing mechanism provided by the embodiment of the present disclosure, the suturing needle can be driven to move in the needle track by the suturing needle driving mechanism, and the cooperation design of the opening, the needle track and the suturing needle avoids complex design and the driving mode runs stably and reliably.