16 results about "Minor surgery" patented technology

The invention discloses a minimally invasive decompression visual surgical instrument for femoral head necrosis, and relates to the technical field of medical instruments. The device comprises a handle, a semicircular needle body is fixedly installed on the left side of the handle, the semicircular needle body is composed of a solid part and a semicircular groove part, a plurality of right-angle sliding grooves are formed in the top of the solid part, a semicircular sliding sleeve is slidably connected to the top of the semicircular groove part in a sealed mode, and a hinge column is arranged at the top of the solid part; the hinged column is close to the puncturing end of the solid part, a cleaning and scraping head is rotationally installed on the outer side of the hinged column, a semicircular expansion piece is arranged at the top of the solid part, a plurality of sliding blocks are arranged at the bottom of the semicircular expansion piece, the sliding blocks are connected into the right-angle sliding grooves in a sliding mode, and an elastic connecting piece is arranged between the semicircular expansion piece and the cleaning and scraping head. The surgical instrument adopts a brand-new structural design, can integrally complete a femoral head decompression surgery, does not need to be repeatedly pulled and inserted, has small influence on internal tissues of the femoral head, and is high in surgical efficiency.

According to one embodiment, a method of designing, selecting, dispensing custom finished abutments or performing custom finished abutment minor surgery by a plurality of custom finished abutment sets designed or manufactured based on a patient database is disclosed, the method comprising the steps of: provisioning a plurality of custom finished abutment sets based on a patient database; picking up patient oral data; selecting a suitable abutment among the plurality of custom finished abutment sets using software based on the picked up patient oral data; and dispensing the selected custom finished abutment or performing custom finished abutment minor surgery.

The minimally invasive channel ring shear instrument comprises an outer pipe shear and an inner pipe shear, the outer pipe shear is of a tubular structure, the inner pipe shear is rotationally arranged in an inner hole of the outer pipe shear, an outer shear blade is arranged at the far end of the outer pipe shear, an inner shear blade is arranged at the far end of the inner pipe shear, and the outer shear blade and the inner shear blade are arranged in a staggered mode. When the outer pipe shear and the inner pipe shear rotate coaxially, the outer shear blade and the inner shear blade conduct shearing action. Human tissue is sheared in a rotary shearing mode, ring shear is formed, and the slender rod-shaped ring shear instrument is small in occupied channel diameter, small in damage to the human tissue, small in occupied space of an operation and not prone to damaging the human tissue except an operation site.

The application provides a 3D printing guide plate positioning system and method for posterior cruciate ligament reconstruction, and belongs to the technical field of ligament surgical instruments in sports medicine. The system comprises a positioning guide plate, a guide plate supporting frame and a drilling guide arm. The positioning guide plate is shaped according to a three-dimensional reconstruction model of a tibia, is manufactured through 3D printing, and is connected to the guide plate supporting frame. One side of the positioning guide plate is attached with a flexible sensor to detect the attached stress. The drilling guide arm is fixedly connected to the guide plate supporting frame after the positioning guide plate is placed at a set position to realize the positioning of drilling. The method is realized based on the system. Through the positioning system, the influence of human factors in surgery is reduced, the establishment of the tibial tunnel is more scientific and accurate by combining with the sensing technology, the problems of possible reconstruction and healing failure, bone damage and the like are solved, and the recovery of the movement ability of the patient is accelerated.

The invention relates to the technical field of surgical cutting devices, in particular to a gastrointestinal tissue electrosurgical cutting device for digestive surgery, which comprises a gun body, an operating rod is arranged on the gun body, a nail anvil, a nail box and a blade are arranged on the operating rod, and a driving motor and a battery for supplying energy to the driving motor are arranged in the gun body. The driving motor is used for driving the blade to move, a limiting groove is formed in the nail box, two expansion pieces used for expanding holes are arranged in the limiting groove, and auxiliary plates are fixedly installed on the expansion pieces. The expansion piece is provided with a straight part and a first elastic part, the first elastic part is fixedly connected with the straight part, and the first elastic part is bent outwards. According to the invention, the insertion performance of an existing electrosurgical cutting device through a tissue hole in a narrow operation space is improved, the operation difficulty is reduced, and the overall smoothness and safety of the operation are improved.

The application discloses a catheter with a changeable tip state and a use method, relates to the technical field of interventional medical instruments, and comprises a catheter body, a deformation body and an adjusting assembly. The diameter of the deformation body is adjusted through the adjusting assembly, so that at least part of the deformation body gradually decreases in diameter from the proximal end direction to the distal end direction. During the movement of the catheter, the deformation body keeps a small size, the catheter is convenient to pass through the blood vessel bifurcation, the blood vessel wall is prevented from being damaged due to the window sill effect, the operation of the operator is facilitated, and the intervention difficulty is reduced. After reaching the position, the diameter of at least part of the deformation body gradually increases from the proximal end direction to the distal end direction through the adjusting assembly, the size of the deformation body is increased, a larger suction area is obtained in the suction process, the suction efficiency and the thrombus removal effect are improved, the operation time is reduced, and the operation risk is reduced.

An implantable electronic device (12) and an endoprosthesis activity monitoring system (10) with a knee prosthesis (11) are developed. Knee prosthesis (11) has at least two blind cavities (35.1, 35.2), one in a lateral aspect of a femoral component (11.1) or tibial component (11.2), within which devices (12) are removably mounted and remote device (18) in wireless communication with devices (12) to receive data transmitted from it. Devices (12) are configured to track movement of the prosthesis (11) and to report same to the remote device (18). Devices (12) are self-contained and include an accelerometer (13), memory (15), a wireless communication module (14), processor (17) and a battery (16). Activity information analysed allows for early diagnosis of implant specific problems like loosening of the prosthesis. Location of devices (12) in the lateral aspects improves accessibility. Devices can be removed by minor surgery without compromising structural integrity of the knee prosthesis.

The utility model discloses a boning and nerve protection guide plate for lower jawbone sagittal splitting, and belongs to the field of medical instruments in surgical operations. Comprising a fixing part used for being fixed to the lower jawbone and a positioning part used for positioning the boning position, and the fixing part and the positioning part are integrally formed; a positioning hole is formed in the positioning part, an osteotomy guide surface and a nerve protection guide surface are arranged on the side wall of the positioning hole, and the osteotomy guide surface and the nerve protection guide surface are connected in a co-edge mode. Compared with the prior art, the guide plate can accurately position the deboning position of a patient, the operation difficulty is reduced, and accurate deboning is achieved; meanwhile, the deboning and nerve protection guide plate can also utilize the nerve protection guide surface to help the surgeon to control the position of the inferior alveolar nerve, so that the inferior alveolar nerve is prevented from being injured during deboning, and the safety of the surgery is improved.

The invention discloses surgical universal forceps based on multi-angle rotation, and the forceps comprise a clamping mechanism which comprises a forceps head, a support and a forceps head control shaft for driving the forceps head to open and close, the forceps head control shaft comprises a flexible shaft, and the flexible shaft is arranged close to the forceps head; the bending mechanism comprises an outer pipe and an inner pipe which are arranged in a sleeved mode, a bending piece is arranged at one end of the outer pipe, the support is rotationally connected with the bending piece, the rotating axis of the support is perpendicular to the bending axis of the bending piece, the inner pipe is used for driving the bending piece to bend, and the flexible shaft penetrates through the bending piece and the inner pipe; the autorotation mechanism comprises a handle for installing the outer pipe and a first control assembly for driving the outer pipe to rotate around the axis of the outer pipe. According to the surgical universal forceps based on multi-angle rotation, the space required by surgical adjustment can be reduced, meanwhile, the adjustment operation is simplified, lesion parts at different positions can be conveniently and accurately clamped and cleaned in a limited channel, the limitation of various surgeries under a single-hole laparoscope or a multi-hole laparoscope is overcome, and the surgical universal forceps are convenient to use and high in practicability. And the surgical application range is widened.

The application relates to a navigation positioning structure for spine surgery and belongs to the medical instrument field. The navigation positioning structure comprises a first component, a second component, a third component, a fourth component and a fifth component; the first component comprises a supporting shaft and a fixing needle; the lower part of the fixing needle is fixed to the surface of a vertebral body spinous process; the second component is a driving component which drives the third component to rotate; the third component is a spherical hinge component; the fourth component is a calibration component which rotates relative to the third component under the driving of a second rotary motor; the fifth component is an operation component which comprises an operation arm and a second sleeve; the operation arm comprises a suspension beam arm, a sliding block and a fixed tube; the sliding block linearly slides along the upper surface of the fourth component under the driving of a second linear motor; the inside of the second sleeve is matched with a surgical instrument. The application can assist doctors in accurately positioning the spine anatomical structure, realize the simultaneous positioning of three vertebral bodies including a fixed segment vertebral body and upper and lower segment vertebral bodies and the navigation of subsequent surgery, and has small volume and high surgery efficiency.

A marking device for rapid intraoperative identification of target lymph nodes includes a medical titanium clip. One end of the clip is connected to a marking line, the other end of which is a free end. The marking line is a non-absorbable medical suture, 15-20 cm in length. This invention does not require changes to the way the titanium clip is used. Under real-time ultrasound guidance, the medical titanium clip is placed on the target lymph node via puncture, and the severed outer end of the marking line is buried superficially under the skin. When the target lymph node needs to be removed, under real-time ultrasound guidance, the position of the medical titanium clip is initially determined. Then, an incision is made at the puncture site from the insertion point, and the non-absorbable medical suture is located. The patient is then guided along the non-absorbable medical suture until the medical titanium clip is reached. This allows for rapid identification of the target lymph node in the surgical field, providing a highly intuitive and convenient method, thus avoiding the omission of target lymph nodes. This benefits patient treatment decisions and prognosis, reduces surgical time, and minimizes the surgical area.

The present application relates to a kind of visual funnel chest guide system, system includes: visual funnel chest guide system, including: guide body, for long strip shape structure, inside being provided with longitudinally extending hollow passage, the hollow passage is provided with guide head end exit in the head end of the guide body, is provided with guide tail end entrance in the tail end of the guide body;Inner core, when the guide enters and exits human tissue, insertion inner core can block hollow pipe entrance, and reduce resistance, prevent blood from entering hollow passage;Insertable tee pipe, insertion guide tail end entrance is used for simultaneously entering and exiting gas and optical cable;Visual module, including optical cable and external display device.Compared with prior art, the present application has the advantages of improving surgical safety, realizing the whole process visualization of surgical operation process;Reduce surgical trauma, avoid additional incision;Simplify surgical procedure, improve surgical efficiency etc..

A system for passing suture into and through soft tissue that includes a multi-function jaw mechanism, and a needle adapted to engage a suture and pierce into the soft tissue. The multi-function jaw mechanism adapted to capture the soft tissue, provide highly reliable suture loading and retrieval with minimal visual guidance, and measure stitch placement positions in the soft tissue in a confined surgical site for accurate and precise provision of complex stitch patterns. The system also includes system control means for synchronizing articulation of the jaw mechanism, articulation of the needle, and engagement of the suture by the needle and release of the suture therefrom.

The utility model discloses an embodiment provides a kind of multi-angle operation's surgical dissector, it is related to medical instrument technical field, to improve the dissector of existing straight pipe form when facing narrow operation space or special situation, surgical angle is difficult to find or cannot operate problem.It includes handle, the cutter body being set on handle and the rotating adjusting wheel being set on cutter body and being used to realize the rotation of cutter body.The cutter body includes metal pipe, the one end of metal pipe is formed with bending part, and metal hook is arranged at the one end of bending part away from metal pipe;The other end of metal pipe is rotatably connected with handle;Suction module and electrode conduction module are respectively arranged in handle;Metal pipe is connected with suction module and electrode conduction module respectively;The utility model can realize the rotation adjustment of metal hook and the suction of target position smoke and liquid simultaneously, it is convenient to operate, and it is flexible to use.

The invention discloses a surgical robot which comprises a trolley, a first joint, a second joint, a first rotating assembly, a third joint, a conveying device and a second rotating assembly. The first joint and the second joint are arranged on the trolley; the first rotating assembly is hinged to the first joint; the first rotating assembly rotates in the horizontal direction. The third joint is arranged on the first rotating assembly; the conveying device is hinged to the third joint; the conveying device is used for carrying surgical instruments; the second rotating assembly is hinged to the second joint; the second rotating assembly is used for carrying the display assembly. By arranging the first joint and the third joint, the conveying device has multiple degrees of freedom, the surgical instrument can swing in multiple directions, the operation flexibility of the surgical instrument is improved, and the problems that an existing surgical robot is limited in movement in a narrow surgical space and insufficient in flexibility are solved.

This invention relates to the field of surgical robot technology, and discloses a surgical operating arm and a surgical robot. The surgical operating arm includes a connecting seat, a first link, a second link, a third link, and an instrument seat. The connecting seat is rotatably mounted on a first rotating shaft; the first end of the first link is connected to the first rotating shaft; the first end of the second link is rotatably connected to the second end of the first link via a second rotating shaft; the first end of the third link is rotatably connected to the second end of the second link via a third rotating shaft, with the centers of mass of the second and third links located on opposite sides of the axis of the first rotating shaft; the instrument seat is rotatably connected to the second end of the third link via a fourth rotating shaft, and the axis of the first rotating shaft passes through the distal fixed point of the instrument seat, with the second link and the instrument seat both located on the same side of the third link. This invention reduces the weight difference between the two sides of the first rotating shaft axis, which helps to reduce the rotational inertia of the surgical operating arm around the first rotating shaft, reduce the rotation radius of the surgical operating arm, and improve surgical safety.