18results about How to "Simplify the surgical process" patented technology

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

The invention discloses an automatic flushing type uterine curettage device for the gynecology department. The automatic flushing type uterine curettage device comprises a holding operation part, a uterine curettage assembly, a liquid supply device and a suction device. The uterine curettage assembly is connected with the first end of the holding operation part, and the uterine curettage assembly is used for curettage of endometrium or uterine cavity contents; the uterine curettage assembly is provided with a liquid outlet and a waste suction port; the waste suction port is positioned on a flushing path of the liquid outlet; the liquid supply device is connected with the uterine curettage assembly, and the liquid supply device is used for providing flushing liquid for the liquid outlet; the suction device is connected with the uterine curettage assembly and used for providing negative pressure suction force for the waste suction opening. According to the invention, the cleaning and waste suction processes are simplified, so that the operation efficiency is improved.

This invention relates to the field of interbody fusion device technology, specifically a 3D-printed porous interbody fusion device, comprising a fusion device body, a first filling hole penetrating through the middle of the fusion device body, and a plurality of internal reinforcing ribs evenly distributed circumferentially on the inner wall of the first filling hole. Based on the biomimetic mechanical design concept of the biomedical engineering industry, this interbody fusion device can break through the limitations of traditional fixed-width fusion devices, and can accurately match the anatomical width of the intervertebral space of different patients without the need for manual cutting and modification during surgery. It can fully adapt to the individualized needs of various heights, weights and disease segments, and fundamentally avoid the risks of endplate damage, infection and anchoring structure damage caused by cutting. After implantation, the self-locking component can achieve immediate rigid locking, completely blocking the reverse rebound path of the adjustment block. Combined with the multi-occlusal tooth structure, it forms a stable mechanical anchor, eliminating postoperative micromovement, displacement and slippage problems, and greatly improving the overall stability of the fusion device in the early stage of implantation.

The double-lamp telescopic electric knife pen comprises a handle, a telescopic knife head, an ultraviolet lamp set and an illuminating lamp set are installed at the front end of the handle, the ultraviolet lamp set and the illuminating lamp set are sequentially arranged from inside to outside with the telescopic knife head as the center, and the ultraviolet lamp set comprises a plurality of ultraviolet lamp beads evenly distributed around the telescopic knife head. The illuminating lamp set comprises a plurality of LED lamp beads evenly distributed around the telescopic tool bit, a control key for controlling the telescopic tool bit to work is installed on the front middle portion of the handle, and a toggle switch for switching the ultraviolet lamp set and the illuminating lamp set to work is installed on the rear middle portion of the handle. The embodiment of the utility model can provide a sufficient light source for an operation, and can help to identify the residual quantity and the distribution condition of cancer cells.

The utility model discloses a pair of novel medical surgical suture passing forceps, which comprises a tip tube, a needle tube and a needle tube, the tip jaw is arranged at one end of the tip tube; a needle containing tube is arranged in the tip jaw, and an opening in one end of the needle containing tube faces upwards; one end of the movable jaw is matched with one end of the tip jaw to form a tong head; the skylight through hole is formed in the movable jaw corresponding to the position of the needle accommodating tube opening; the movable skylight is arranged in the skylight through hole; one end of the movable skylight is zigzag, and the other end of the movable skylight is rotationally connected with the movable jaw; the connecting rod is arranged in the tip tube in a sliding manner; wherein the other end of the movable jaw is rotationally connected with one end of the connecting rod and the tip pipe; the needle head end of the suture needle is arranged in the needle containing tube in a sliding manner; the operating handle is connected with the tip tube, the connecting rod and the other end of the suture needle; and the handle self-locking mechanism is arranged on the operating handle.

The invention relates to the technical field of medical instruments, and discloses a puncture device and a hydrocephalus interventional therapy system. The puncture device comprises a needle tip, a sheath, a puncture catheter and a first handle; the puncture catheter is composed of an inner layer, a hypotube and an outer layer, the outer layer is provided with a wire drawing cavity and a traction wire, the far end of the hypotube is connected with the needle tip, the far end of the traction wire is connected with the sheath, and the first handle controls the traction wire through the sliding block to achieve controllable recovery of the sheath. The hydrocephalus interventional therapy system is integrated with a puncture device. According to the puncture device, hardness gradient distribution is achieved through multiple sections of cutting areas of the hypotube, and the trafficability in a bent blood vessel is improved; the outer layer symmetrical wire drawing cavity balances the stress of the drawing wire; and a handle knob transmission mechanism realizes linear accurate control. The control precision, safety and stability of puncture operation in the hydrocephalus interventional therapy process are improved, accurate exposure of the needle tip is achieved, the tissue damage risk is reduced, and the overall operation efficiency is improved.

The utility model discloses an object taking device for endoscopic surgery, and belongs to the technical field of medical instruments. The device comprises an outer sheath rod, the inner side of the outer sheath rod is movably connected with an inner sheath rod, a memory steel wire is installed at the end, located on the inner side of the outer sheath rod, of the inner sheath rod, a collection bag is arranged on the memory steel wire, and a liquid suction assembly is arranged on the outer sheath rod; the liquid suction assembly comprises an installation sleeve installed on the outer side of the outer sheath rod. A liquid suction assembly is arranged at the front end of an outer sheath rod, when the outer sheath rod goes deep into a body, a mounting sleeve of the outer sheath rod is also located in the body, a liquid suction device of the outer sheath rod is connected with a connecting base at one end of a liquid drainage pipe, suction force is generated by a liquid suction hole of the outer sheath rod through starting of the liquid suction device, and waste liquid in the body is sucked into a liquid suction cavity; and then the liquid enters the liquid absorption device through the liquid discharge pipe, so that a doctor or a nurse does not need to pause an operation to carry out manual liquid absorption operation, the operation process is simplified, the operation efficiency is greatly improved, and the operation time is shortened.

The invention relates to the technical field of intelligent implantable medical instruments, in particular to a magnetohydrodynamic pulse negative pressure micropump system integrated with wireless parameter monitoring, which comprises a fully implantable magnetohydrodynamic intelligent sensitive micropump, an in-vitro multifunctional driving read-out unit and an intelligent terminal, the fully-implanted magnetomotive intelligent-sensitive micropump is of a hollow titanium alloy screw structure, a magnetomotive power pump module and a wireless passive sensing module are arranged in the fully-implanted magnetomotive intelligent-sensitive micropump, the fully-implanted magnetomotive intelligent-sensitive micropump can be implanted into a bone in a minimally invasive mode, pulse negative pressure is generated, and intraosseous tissue gap hydraulic data are wirelessly transmitted. The in-vitro unit provides a driving magnetic field and radio frequency energy; and the intelligent terminal realizes data display, analysis and parameter adjustment to form intelligent closed-loop control. The system realizes integration of treatment and monitoring, is minimally invasive, has no infection risk, is accurate in monitoring and efficient in treatment, solves the problem of pain points in the prior art, and has important clinical application value.

The invention relates to a targeted drug delivery device for improving coronary microcirculation disturbance. The targeted drug delivery device comprises a targeted drug carrying support and an implantation mechanism. One side of the far end of the implantation mechanism is provided with a targeted medicine carrying support installed in a blood vessel; the targeted drug-loading stent comprises a stent body, and micro grooves which are uniformly distributed are formed in the outer surface of the stent body; one side, facing the blood flow of the lumen, of the stent body is coated with a microcirculation improving coating; one side, facing the blood vessel wall, of each micro groove is coated with an anti-proliferation layer; the implantation mechanism comprises a catheter, a guide wire cavity and a drug delivery cavity are formed in the catheter, the guide wire cavity is used for passing of a guide wire, and the drug delivery cavity is used for targeted drug delivery; compared with the prior art, the invention has the following beneficial effects: by physically anchoring a focus through the targeted drug-loaded stent and intelligently responding to a microenvironment through the drug coating, "physical and chemical" dual precise positioning is realized, the local drug concentration is significantly improved, and the untoward effects of the whole body are reduced.

The invention relates to the field of medical repair, in particular to an acetabular bone defect repair system which comprises a moldable complex module made of a flowable composite material formed by mixing porous metal particles and bone cement according to a predetermined volume mixing ratio, and the moldable complex module is configured to be positioned in an acetabular bone defect area after being implanted, the bionic support frame module is used for providing mechanical support for the moldable complex module and the acetabular cup prosthesis; the inclusive cushion film can also be included; the bionic supporting frame module provides initial mechanical stability and has a space structure allowing the flowable composite material to permeate and be solidified, so that the bionic supporting frame module and the flowable composite material form a mechanically-interlocked integrated bearing structure. The inclusive cushion film is laid in the acetabular bone defect area, and a filling space is defined by the inclusive cushion film and the host bone. According to the acetabular cup prosthesis, the technical effects of anatomical matching and long-term biological integration of the irregular bone defect surface and the acetabular cup prosthesis are achieved.

This utility model relates to a modular miniature visual endoscope, comprising a miniature visual endoscope body, a surgical blade, and an interventional channel. The distal end of the miniature visual endoscope body is connected to an endoscope assembly, which includes a hollow tubular endoscope guide tube capable of extending into the target surgical site. The interventional channel and the surgical blade are detachably connected to the miniature visual endoscope body, respectively, by being sleeved on the outside of the endoscope guide tube. The size of the surgical blade matches the size of the interventional channel, allowing the miniature visual endoscope body with the surgical blade installed to deliver the endoscope assembly into the internal cavity of the interventional channel at the target surgical site, and ensuring that the distal end of the surgical blade reaches the distal end of the interventional channel. The surgical blade includes a blade body with a fixing sleeve at its proximal end. The surgical blade can be detachably connected to the miniature visual endoscope body by the engagement of the internal thread of the fixing sleeve with the external thread surrounding the proximal outer wall of the endoscope guide tube.

The utility model discloses an appendix support, including leading in device, moving device and support, the movable moving device is arranged in the leading in device, the output of leading in device is provided with the support, the moving device can drive the support to export outward through leading in device, above all, can prevent the component unexpected and hurt that comes out, can carry out the fine adjustment of support to the support design and fit appendix lumen structure, can better fixed, and the device simple operation realizes the single -handed operation of main knife doctor, and the other hand can operate endoscope, need not auxiliary tool, improve operation efficiency and accuracy.

This invention relates to an adjustable medical reamer, comprising: an outer tube having an inner channel and a through-hole communicating with the inner channel, one end of the inner channel being an open opening located at the beginning of the outer tube, and the through-hole located at the end of the side wall of the outer tube; a drive rod inserted into the inner channel and rotatable relative to the inner channel; a drive head located in the inner channel and connected to the end of the drive rod, the drive head being configured to move along the extension direction of the inner channel as the drive rod rotates; and two sets of cutting tools disposed opposite to each other on the drive head, the two sets of cutting tools being located in the inner channel and their cutting edges extending from the through-hole; the distance between the cutting edges of the two sets of cutting tools changing with the movement of the drive head, so as to realize the control of the movement of the drive head by rotating the drive rod, thereby controlling the cutting diameter of the adjustable medical reamer.

The application provides a kind of with suspension function's ligature suture device and its using method, the ligature suture device includes gun handle, gun rod, push mechanism, shooting mechanism and trigger mechanism, through the cooperation of push mechanism, shooting mechanism and trigger mechanism, multiple biological clips placed in the gun rod can be sequentially shot to corresponding ligature point for ligature, multiple biological clips are strung into a biological clip group by tightening line and one-way lock, and after continuous ligature, the first and last ends are connected by the tightening line to form suspension, compared with prior art, the operation time is shortened, the treatment accuracy is improved, the local tissue is smoothly healed and repaired during operation, the postoperative complications and long-term recurrence rate are reduced, the operation process is standardized and simplified.

The application discloses a three-dimensional image registration method, comprising the steps of: obtaining the position of a mark point on a phantom in a phantom coordinate system; obtaining a three-dimensional image of the phantom through a C-arm scanner, periodically obtaining the pose of the C-arm in the scanning process, and constructing a C-arm coordinate system; identifying the position of the mark point in the three-dimensional image, and calculating the transformation relationship between the image coordinate system and the phantom coordinate system; calculating the transformation relationship between the C-arm coordinate system and the phantom coordinate system according to the pose of the C-arm and the phantom identified by an optical tracking system, and calculating the transformation relationship between the C-arm coordinate system and the image coordinate system. In the application, the use of intraoperative positioning mark points is removed, the registration accuracy is ensured, the surgical process is simplified, and the surgical efficiency is improved.

The application relates to the technical field of cardiovascular interventional medical instruments, in particular to a balloon catheter, which comprises a catheter and a balloon, the balloon is arranged on the catheter and can be collapsed and filled; the catheter is defined with a balloon injection channel, the balloon injection channel is communicated with the internal cavity of the balloon and is used for injecting liquid contrast agent into the balloon; at least one pressure relief hole is arranged on the balloon wall of the balloon, the pressure relief hole is configured to release the contrast agent outwards when the filling pressure in the balloon reaches a preset pressure value, and the contrast agent outflow can be detected by a medical imaging device. When the pressure in the balloon reaches a preset safe critical pressure, the contrast agent outflow at the pressure relief hole is clearly visible under X-ray perspective, which serves as an intuitive visual alarm to prompt an operator to immediately stop the injection of the contrast agent, so that the risk of tearing of the atrial septum and other tissues caused by excessive filling of the balloon is fundamentally eliminated while the diameter of the defect "waist" is accurately measured.

The invention provides an intravascular shock wave balloon catheter capable of conducting ultrasonic imaging and a control method. The intravascular shock wave balloon catheter comprises an inner tube, a balloon, an annular circuit board, an ultrasonic imaging assembly and a shock wave generating assembly. The balloon is connected to the far end of the inner tube; the annular circuit board is sleeved on the inner tube in the balloon; the ultrasonic imaging assembly comprises a plurality of ultrasonic transducer array elements, and the ultrasonic transducer array elements are circumferentially arranged, fixed to the annular circuit board and used for transmitting and receiving ultrasonic signals to generate a blood vessel cross section image; the shock wave generating assembly comprises at least one electrode assembly, and the electrode assembly is independent of the ultrasonic transducer array element, fixed to the annular circuit board and used for generating shock waves in the balloon through the liquid-electric effect when the high-voltage pulse acts. The catheter can be used for treatment while diagnosis, the operation process is greatly simplified, the operation time is shortened, the ultrasonic imaging assembly does not need to be rotated, and the problem of non-uniform rotation false images is avoided.

The utility model relates to the technical field of medical instruments, and discloses a hockey rod-like steel plate which is used for fixing tibia and comprises an extension section, a turning section and a bending section, the turning section is of a curved structure with a corner, one end of the turning section is connected with the extension section, the extension section extends in the vertical direction, a fixing part is arranged on the extension section, and the bending section is of a curved structure with a corner. The steel plate is fixed on the tibia; the other end of the turning section is connected with the bending section, the bending section extends in a surrounding mode along the peripheral side of the tibia in the horizontal direction, the bending section is of an arc-shaped structure with a curved surface, and an adjusting part is arranged on the bending section so that the bending section can be attached to the tibia. The steel plate is attached to the anatomical structure of the inner side of the proximal tibia, and through the hockey rod-like design and the shaping characteristic, the dependence of an operation on an accurate body position is reduced, and the operation difficulty is reduced; the steel plate penetrates through the goose foot tendon to be placed, so that damage to the medial collateral ligament and the goose foot tendon is avoided, and the risk that the knee joint is unstable after operation is reduced.