43results about How to "Reduce trauma area" patented technology

The invention discloses a device capable of easily and endoscopically suturing and ligating a stomach wall, which comprises a suture line, two stomach wall puncture needles for puncturing the stomach wall, an abdominal cavity puncture needle for puncturing an abdominal cavity, a knotter and a pair of ligature forceps. By puncturing of the abdominal cavity and the stomach wall, both ends of the suture line respectively pass through both sides of a wound of the stomach wall from the outside of the stomach wall; and the suture line is knotted in the stomach to complete suturing and ligating the stomach wall, so that endoscopic suture and ligation of the stomach wall are implemented and implementation of a minimally invasive surgery is ensured. With the adoption of the device, suturing operation is easier to carry out; pain of a patient can be greatly relieved; and the area of the wound of the patient is reduced.

The invention provides a scalp clip which comprises a clip body and clamp holders. The clip body is a hollow cylinder (1); the lower part of the hollow cylinder (1) is axially provided with a clamping mouth (11); a first clamp holder (2) and a second clamp holder (3) are arranged on the outer surface of the upper part of the hollow cylinder (1); the hollow cylinder (1) is made of an elastic material; and when the first clamp holder (2) and the second clamp holder (3) are relatively pressed, the hollow cylinder (1) can be elastically deformed. At the time, the clamping mouth (11) is opened, the first clamp holder (2) and the second clamp holder (3) are loosened, the hollow cylinder (1) returns to the original shape and then the clamping mouth (11) is closed. By the scalp clip provided by the invention, the damage of clamping arms to the scalp and the skull can be effectively avoided and the connection and transmission performances are also ensured better when the scalp is clamped in a transmitter to be continuously used, and the scalp clip is more beneficial for being discharged.

The invention provides a ligament reserved assembled semi-knee-joint prosthesis for a tibial tumor. The prosthesis comprises a tibia pad, a tibial end prosthesis, a diaphysis elongation segment and amarrow cavity elongation handle, wherein the tibia pad and the tibial end prosthesis are connected with locking snapping grooves through matched locking structures and are fixed through locking nails,the tibial end prosthesis and the diaphysis elongation segment are connected by adopting an anti-revolving snapping structure, the diaphysis elongation segment and the marrow cavity elongation handleare connected by adopting an anti-revolving snapping structure. An upward-outstanding arc-shaped articular surface is arranged at the top of the tibia pad, two rows of longitudinal-distributed through holes are formed in the tibia pad located at a middle position of the arc-shaped articular surface, and a square groove encircling the through holes is formed in the bottom end of the tibia pad; andlongitudinal-distributed patellar ligament holes are formed in the front side of the tibial end prosthesis, and internal lateral ligament holes and external lateral ligament holes are separately formed in the left and right sides of the tibial end prosthesis. The prosthesis has a reserved thighbone articular surface, thighbone lateral osteoepiphysis and surrounding ligament tissue, and thus, thebone growth function of a children sufferer is guaranteed; and the prosthesis is low in cost, high in durability, small in wound area, convenient to implant and high in reliability.

A thoracoabdominal surgical instrument with a rigid laparoscope, comprising: a positioning sleeve; a rigid laparoscope is driven and telescopically arranged in the positioning sleeve, and the rigid laparoscope has an extended position extending out of the positioning sleeve and retracted into the positioning sleeve The retracted position of the tube; the surgical actuator is arranged in the positioning sleeve, and the operating end of the surgical actuator extends out of the positioning sleeve; the hard mirror cleaner includes: a medium conduit arranged in the positioning sleeve, and a medium conduit end The nozzle at the end; the medium conduit is a curved flexible tube whose end is bent towards the lens of the laparoscopic rigid mirror. The above-mentioned structure solves the problem in the prior art that the rigid laparoscope and the thoracoabdominal surgical instrument cannot be combined to enter the abdomen of the human body through a through hole in the abdomen of the human body.

The invention provides a surgical instrument and a surgical robot adopting the surgical instrument. The surgical instrument comprises a front end, a wrist part, a foundation base, a guide mechanism and a traction unit, wherein the front end is rotatably connected with the wrist part and a first rotation axis is formed, the wrist part is rotatably connected with the foundation base and a second rotation axis is formed, and the first rotation axis and the second rotation axis are non-coplanar and are vertical to each other; the traction unit comprises a first traction body, a second traction body, a third traction body and a fourth traction body; the four traction bodies surround and are partially fixedly connected with the front end, extend, are restrained by the guide mechanism, and then are connected with an external mechanism; the second traction body surrounds the front end in the direction opposite to that of the first traction body, and the fourth traction body surrounds the front end in the direction opposite to that of the third traction body; the first traction body and the second traction body are distributed on one side of the second rotation axis, and the third traction body and the fourth traction body are distributed on the other side of the second rotation axis.

The invention discloses a short cap nail holder, comprising a holder body, a clamping column is arranged at the front end of the holder body, a through hole is arranged in the clamping column, and the through hole is far away from an end of the holder body An inner edge protrusion is provided, a spring is arranged in the through hole, a pressing ball is arranged at a position corresponding to the through hole and the inner edge protrusion, and a clamping groove is arranged at the end of the clamping column far away from the holder body. The clamping groove is trumpet-shaped, the through hole communicates with the side wall of the clamping groove, and the side of the clamping column close to the clamping groove is provided with a nail entry opening, and the clamping groove and the nail entry opening pass through the clip The side of the holding column; the cooperation of the clamping groove and the pressure ball in the present invention makes the disassembly and assembly of the short cap nail very simple, and realizes rapid assembly and disassembly, and when the short cap nail is installed, there is instantaneous friction with the pressure ball, Vibration and sound are generated, and the sound can be used to judge whether the short cap nail is clamped successfully, which greatly facilitates the doctor's judgment and reduces the operation time.

The invention discloses an anti-tumor nano-preparation and its application in targeted treatment of malignant tumors. Polydopamine nanoparticles are used as a photothermal conversion material to prepare a bio An anti-tumor nano-preparation with good compatibility and almost no cytotoxicity; at the same time, the therapeutic effect of killing tumor cells can be achieved by combining photothermal therapy. After the tail vein injection of the preparation of the present invention into the body of BALB / C female mice inoculated with 4T1-luc cells, the therapeutic effect of photothermal therapy is significantly better than that of conventional treatment, and the treatment method has a small wound area and almost no toxic side effects. The dosage is reduced, and the pain is reduced compared with surgical treatment.