11results about How to "Improve seam quality" patented technology

The invention provides a robot-assisted wound suturing method and system based on artificial intelligence, and relates to the technical field of artificial intelligence, and the robot-assisted wound suturing method comprises the steps: obtaining multi-modal perception data of a wound area, constructing multi-modal three-dimensional representation of a wound, and determining a plurality of suturing points based on the multi-modal three-dimensional representation of the wound; for each suture point, calculating a candidate suture point, and for the adjacent suture points, generating a needle tip track of a needle tip in the wound, and sampling on the needle tip track to obtain a suture scheme adapted to the wound form and the tissue attribute; based on the obtained stitching scheme, an optimal control sequence of the stitching robot is obtained, meanwhile, a robust compensation control law is constructed through coordinate transformation and a feedback control law, and the optimal control sequence and the robust compensation control law are integrated into a stitching robot real-time control system; the output of a real-time control system of the suturing robot is converted into an actuator control instruction, and the suturing robot is controlled to assist in wound suturing.

The invention relates to a construction process of a joint occlusion water stop reinforced ultra-deep hectometer-level milling groove ground wall. The construction process comprises the working procedure steps of grooving, groove bottom sediment treatment, reinforcement cage hoisting, guide pipe lowering, bottom sealing concrete pouring, broken stone backfilling, joint box hoisting, overall concrete pouring and the like. Grooving adopts a grabbing and milling combined process and is divided into a first-stage groove section and a second-stage groove section, the first-stage groove is designed to be full-head scutching and two-cutter grooving, H-shaped steel water stop joints are arranged at the two ends of a reinforcement cage, the reinforcement cage is fully wrapped with anti-streaming slurry stop iron sheets, after the reinforcement cage is hung in sections, bottom sealing concrete is poured, broken stones are backfilled and compacted, and pouring is continued to form a wall body. The second-stage groove is designed to be in a full-closed range, three-knife grooving is conducted, and after a wall brushing device is adopted at the joint for wall brushing, remaining procedures are completed. And the first-stage groove and the second-stage groove are constructed in a sequence of a warehouse jumping method, and a continuous wall body is formed in a circulating manner. According to the process, the existing ultra-deep casing milling joint ground wall construction process is innovated, and the problems that the casing milling joint is low in concrete milling speed, poor in water stopping effect, large in reinforcement cage hoisting weight and the like are solved.

The invention discloses a laparoscopic surgery suture device, which relates to the technical field of medical instruments, and comprises a shell, a forceps seat arranged at the front end of the shell, a forceps clip assembly arranged on the forceps seat, and a movable handle, a fixed handle and a reset reed which are arranged at the rear end of the shell, the forceps clip assembly comprises a rotating shaft rotationally mounted on the forceps seat, and a first forceps clip arm and a second forceps clip arm which can be relatively rotationally mounted on the rotating shaft; the forceps clip assembly is provided with a squeezing assembly used for squeezing a notch, and the squeezing assembly comprises a driving part which is installed on the arc-shaped outer wall of the first forceps clip arm and the arc-shaped outer wall of the second forceps clip arm in a mirror image mode; and the driven piece is slidably connected to the first forceps clip arm and the second forceps clip arm, and the bottom surface of the driven piece is fixedly connected with a supporting spring. Effective extrusion of an incision can be achieved in the suturing process, the situation that the incision is sutured only through the pulling force of a suture line is avoided, and therefore the wound closing stability and the healing effect are remarkably improved, and tissue damage is reduced.

The application belongs to the technical field of fabricated wall construction, and particularly relates to a combined ALC window opening outer wall structure and a construction method, comprising a plurality of adjustable connecting assemblies, a plurality of limiting stoppers and at least one ALC wallboard, pretreatment work such as ALC wallboard anchor planting and flat steel welding is completed on the ground in advance, which maximally reduces the content and time of high-altitude work, and through systematic innovation, the construction safety, installation quality and work efficiency are successfully improved in cooperation, the core of which is to transform high-risk and high-difficulty work at high altitude into a safe and controllable prefabrication process on the ground, and relying on an adjustable, anti-loose and strengthened integrated connecting and positioning system, the drawbacks of traditional methods are fundamentally overcome, and the application has the comprehensive advantages of intrinsic safety, precision and efficiency, firmness and reliability, and provides an advanced solution for the construction of the window opening of the fabricated building outer wall.

The utility model relates to the technical field of zipper sewing machines, and discloses a rapid zipper sewing device which comprises a supporting seat, a sewing machine is arranged at the top of the supporting seat, a sewing adjusting assembly is arranged in the supporting seat, a limiting assembly is arranged at the top of the supporting seat, and the sewing adjusting assembly comprises a limiting groove. The inner wall of the limiting groove is slidably connected with a zipper splicing block, a limiting block sliding groove is formed in the inner wall of the limiting groove, the inner wall of the limiting block sliding groove is slidably connected with a limiting block, and the bottom of the limiting block is slidably connected to the surface of the zipper splicing block. By rotating the rotating handle, the rotating handle drives the two-way threaded rod to rotate on the inner wall of the supporting seat, so that the limiting block slides towards the inner wall of the limiting block sliding groove along the outer wall of the two-way threaded rod, the limiting block is separated from the surface of the zipper splicing block, the zipper splicing block loses limitation, and then the zipper splicing block is replaced. And the flexibility and the applicability of replacing zipper splicing blocks with different sizes are improved.

The utility model discloses a multifunctional delivery metering pad which comprises a first-layer structure, a second-layer structure and a third-layer structure. The first-layer structure is used for being laid under the buttocks of a puerpera and collecting and metering amniotic fluid flowing out during delivery of the puerpera. The second-layer structure is fixed on the first-layer structure and is used for covering the area near the delivery part of the puerpera and collecting and measuring the vaginal bleeding amount of the puerpera after delivery of the baby; and the storage structure is fixed on the second-layer structure and is used for storing gauze required in the delivery process of the puerpera. According to the multifunctional delivery metering pad, the comfort degree of a puerpera is improved, the bleeding amount and amniotic fluid amount can be accurately metered in real time, metering is convenient, postpartum bleeding early warning is convenient, the sterile suture range is guaranteed, anus shielding is convenient, pollution and wound infection are reduced, delivery towels and pad towels which are repeatedly disinfected and used can be abandoned, and gauze can be conveniently collected and counted.

The present application relates to the technical field of medical devices, and discloses a radially retractable absorbable intestinal anastomosis support stent, which comprises a stent body, the stent body is a hollow mesh tube structure, a plurality of mesh holes are arranged on the stent body, and the stent body has elasticity. The stent of the present application adopts an elastic mesh structure, the specification is slightly larger than the inner diameter of the intestinal tube, the elastic constraint of the intestinal wall is utilized to make the final outer diameter consistent, and the seamless fitting and non-supporting and non-collapsing are realized. The present application has uniform structure and is simple to manufacture. The present application is moderately soft and hard, safe and effective, can significantly improve the suturing quality and prevent mis-suturing, can continuously support after operation and prevent stenosis and leakage, does not need a special placement device, is simple to operate, and is suitable for open and laparoscopic operations.

The utility model discloses a film sealer mechanism and the film blowing machine of application thereof applied to film blowing machine relates to film production technical field, including frame, be provided with the cross bar on the frame, be provided with the sliding block on the cross bar slidably, and the clamping block is connected to the sliding block lower extreme, and the clamping block one side is provided with the seal knife, wherein, heating element is arranged in the clamping block, and the clamping block will heat transfer to the seal knife after being heated by heating element, still be provided with the backboard on the frame, and the backboard is opposite to the seal knife and is provided, and the film passes through between the backboard and the seal knife, the utility model discloses through setting up the seal knife to the film and carry out seal, make the upper and lower two layers of film hot melt bonding, and the space in the film is divided into two spaces, thereby satisfy the production demand of making the film bag with two chambers, can reduce production step, improve production efficiency, and cool the seal place after seal and form the shape fast, avoid hot melt bonding place and separate again and occur bonding when winding.

This utility model provides an outdoor tent fabric sewing device, relating to the technical field of outdoor product processing equipment. It includes a workbench with a sewing head fixedly connected to the top right side. A connecting groove is formed on the top left side of the workbench, and a conveying component is fixedly connected to the inner surface of the connecting groove. This utility model utilizes a rotating knob to drive a threaded column, which, through the threaded engagement, causes an annular pressure plate to move downwards via a sliding insert. A ball bearing, under the action of a spring, presses the fabric firmly, ensuring that the lower surface of the fabric is in contact with the rotating ring. An electric motor drives a feeding roller to achieve linear fabric conveying. The drive motor, through a bevel gear, drives the rotating ring to rotate within the annular groove, thereby adjusting the fabric angle. This structure solves the problems of easy fabric shifting and inconvenient angle adjustment in existing devices, making tent fabric sewing more precise, adapting to different sewing angle requirements, and improving operational convenience.

The invention relates to the technical field of building construction, in particular to a prefabricated outer wall abutted seam construction method which comprises the steps that vertical connecting holes are formed in a bottom beam and the bottom face of a first prefabricated outer wall correspondingly; mounting a vertical connecting bolt; smearing an adhesive; one end, coated with the adhesive, of the vertical connecting bolt is inserted into the vertical connecting hole, and after the adhesive is dried, the formwork and the supporting structure are installed, and grouting and joint filling are conducted; judging whether the construction of the horizontal abutted seam meets a preset standard or not according to the transverse limit cracking characteristic value; transverse connecting holes are formed, and transverse connecting bolts are installed; the end, coated with the adhesive, of the transverse connecting bolt is inserted into the transverse connecting hole, and whether construction of the vertical abutted seam meets the preset standard or not is judged according to the amplitude characteristic value of the wall; the splicing construction of the prefabricated outer wall is completed according to the vertical splicing construction method conforming to the preset standard and the horizontal splicing construction method conforming to the preset standard, and the splicing construction quality of the prefabricated outer wall is improved.