35results about How to "Short learning curve" patented technology

A novel mechanical system, based on a new cable driven mechanical transmission, able to provide sufficient dexterity, stiffness, speed, precision and payload capacity to actuate multi-DOF micro-manipulators. Besides the possibility of being used in several articulated surgical instruments and robotic systems for surgery or other applications involving remote manipulation, it enables the design of a novel fully mechanical surgical instrument, which offer the advantages of conventional laparoscopy (low cost, tactile feedback, high payload capacity) combined with the advantages of single port surgery (single incision, scarless surgery, navigation through several quadrants of the abdominal cavity) and robotic surgery (greater degrees of freedom, short learning curve, high stiffness, high precision, increased intuition). The unique design of the proposed system provides an intuitive user interface to achieve such enhanced manoeuvrability, allowing each joint of a teleoperated slave system to be driven by controlling the position of a mechanically connected master unit.

A novel mechanical system, based on a new cable driven mechanical transmission, able to provide sufficient dexterity, stiffness, speed, precision and payload capacity to actuate multi-DOF micro-manipulators. Besides the possibility of being used in several articulated surgical instruments and robotic systems for surgery or other applications involving remote manipulation, it enables the design of a novel fully mechanical surgical instrument, which offer the advantages of conventional laparoscopy (low cost, tactile feedback, high payload capacity) combined with the advantages of single port surgery (single incision, scarless surgery, navigation through several quadrants of the abdominal cavity) and robotic surgery (greater degrees of freedom, short learning curve, high stiffness, high precision, increased intuition). The unique design of the proposed system provides an intuitive user interface to achieve such enhanced maneuverability, allowing each joint of a teleoperated slave system to be driven by controlling the position of a mechanically connected master unit.

The invention relates to the technical field of biomedical polymer material, and provides an injectable hydrogel material for solving the problems that existing injectable hydrogel is slow in condensation, low in strength, and poor in biocompatibility and biodegradability, and consequently fixed point forming and long-term exercise tolerance of the hydrogel after injection are not facilitated. Theinjectable hydrogel material is generated from a component A and a component B in-situ through isovolumetric injection by adopting dual-linking injection technology; and the component A is carboxymethyl chitosan, and the component B is prepared from reaction of double hydroformylation polysaccharide and an auxiliary cross-linking agent and a formylation contrast agent. According to the injectablehydrogel material, the exercise tolerance is good, the requirements of the biocompatibility and the biodegradability are met, the functions of multimoding development and controlled degradation are further achieved, the effect that the multiple functions of protection, tracing, customized treatment and the like are integrated is achieved, and the wide application prospects in the field of integration of diagnosis and treatment are achieved.

The invention relates to the field of medical instruments, in particular to a sacroiliac joint through-screw positioning coaxial guide and an assembly thereof. The sacroiliac joint through-screw positioning coaxial guide comprises a first positioning rod for fixing a first puncture sleeve, a second positioning rod for fixing a second puncture sleeve, an adjusting device for adjusting a relative distance between the first positioning rod and the second positioning rod, and a fixing device for fixing the positions of the first positioning rod and the second positioning rod. The first positioningrod and the second positioning rod are respectively connected with the adjusting device, and the first positioning rod and the second positioning rod are axially symmetric by taking a vertical centerline of the adjusting device as an axis of symmetry, such that a horizontal centerline of the first puncture sleeve and a horizontal centerline of the second puncture sleeve are in the same line. Thefixing device is connected with the adjusting device. A sacroiliac joint screw can penetrate through a sacroiliac joint and can be accurately placed into the patient body, so that the surgical positioning is accurate, the stability is high, the safety is high, and complications such as vascular nerve injury are avoided.

The invention discloses a guide system for hip replacement and a using method thereof. The guide system comprises a handle, a guide connecting rod, an acetabular cup connector and a sleeve. The lower end of the handle is connected with the acetabular cup connector. One end of the guide connecting rod is connected with the side close to the upper end of the handle, a sleeve hole is formed in the other end of the guide connecting rod, and the sleeve is nested into the sleeve hole. The acetabular cup connector comprises a mounting shaft which can be connected with an acetabular cup in a rotating mode, and the center axis of the sleeve is roughly overlapped with the axis of the mounting shaft. According to the guide system for hip replacement and the using method thereof, the guide system is easy to assemble and disassemble and convenient, quick and accurate to use, the completion time of minimally invasive surgery is greatly shortened, any muscle and any joint capsule do not need to be cut off in the operation process, an acetabular component can be accurately positioned, inserted and pressed in a matched mode, and dislocation can be avoided.

The invention provides a tear remote acquisition and analysis device and method for diagnosing dry eyes. The method comprises: 1, acquiring tear; 2, bearing tear; 3, imaging the tear; 4, using an image acquisition device; 5, transmitting a tear image to the analysis device to perform image analyzing; 6, thickness state and condition of tear center crystal and outer transparent belt. The device andmethod have the advantages that the method is based on tear fern test is low in cost and capable of quickly detecting tear at low cost and can include a tear remote acquisition and analysis system atlow cost. The medical treatment resource problem of the prior art is solved that patients can only take chemical therapy i a hospital and uses medical resources, causing high workload to medical staff.

The invention discloses a minimally-invasive S1 sacroiliac joint screw positioning guider which is characterized by including a sliding guide rail (1), a first positioning rod (2), a second positioning rod (3), an anterior superior spine locating sleeve rod (11), a posterior superior iliac spine sleeve rod (12), an S1 spinous process positioning needle (14), an S1 sacroiliac screw sleeve (7), a first guide buckle (4) and a second guide buckle (5). The positioning guider is universal and easy to operate and control, positioning is achieved through constant rules between bone landmarks, the positioning guider does not change along with postures in operations, operation time is reduced, fluoroscopy times are reduced, and learning curves are reduced.

A novel keyboard interface and input method are described. The interface is driven by a dynamic, general-purpose typing and data-entry software application, with a reduced number of keys to minimize screen real-estate requirements, especially for mobile devices. At any given time, the interface presents base characters with built-in key points on or around the base characters that can be selected and / or swiped to generate characters. The key points are strategically placed based on the intuitiveness of such placements, reducing the curve for learning how to use the interface. Its advantage over other methods of input such as handwriting, voice and gesture recognition is that it is less prone to error and privacy issues. The interface occupies a dramatically smaller area of the screen compared to traditional on-screen keyboards and can provide alternate placement as well as transparency to reveal text or images underneath. It can be implemented in most mobile and other computing platforms with reduced resource requirements.

The invention relates to an AR positioning system of radiotherapy. The system comprises a chassis, a positioning bed, an operating console, a computer, a HoloLens, a Kinect and a lead; the chassis iscomposed of base plate, bottom rollers, a height adjusting pedal, horizontal guide rails, a circular guide rail, a fixed block and an adjusting device; the positioning bed is composed of a bed board,supports, transparent synthetic glass and pushing handles; the chassis is connected to the operating console via the lead; and the computer and HoloLens are placed on the operating console. The systemhas the advantages that radiotherapy can be carried out on a patient without a body surface physical mark; the patient can be avoided form repeated positioning, and the radiation absorbed dose and medical cost of the patient can be reduced; the patient is avoided from decrease of positioning precision caused by unclear physical marks in the body surface, and the accuracy of radiotherapy is improved; a doctor draws positioning lines less frequently, and time is saved; the working efficiency is improved; the whole process is clear in ideal, easy to master and includes a shorter learning curve;and different body parts of the patients can be collected.

The invention relates to an acetabulum posterior column reverse motion percutaneous lag screw guiding device. The guiding device comprises a cross bar, cross bar legs, fixing loop bars and a longitudinal rod. The cross bar strides above the anterior superior spine and the posterior superior iliac spine. The two ends of the cross bar are connected with the cross bar legs respectively through a cross bar sliding device, wherein the cross bar leg at one end can slide on the cross bar along the cross bar sliding device, and the cross bar leg at the opposite end is locked on the cross bar. The fixing loop bars are arranged on the cross bar legs and are used for fixing the anterior superior spine osseous protruding point and the posterior superior iliac spine osseous protruding point respectively. A longitudinal rod leg is arranged at one end of the longitudinal rod, an ischium node loop bar is installed on the longitudinal rod leg, and the other end of the longitudinal rod is connected with the cross bar through a longitudinal rod sliding rotating device. The characteristic that a lag screw can be placed into a connected channel between the midpoint of the connecting line between the anterior superior spine osseous protruding point and the posterior superior iliac spine osseous protruding point and the center of the ischium node is utilized, one-time successful screw placing rate is high, a long enough posterior column screw can be struck into the connected channel, the operation is easy, the structure is simple, and the acetabulum posterior column reverse motion percutaneous lag screw guiding device is easy to sterilize, can be used repeatedly and is suitable for different pelvises.

A magnetic control visualization tracheal intubation pre-guide apparatus comprises an internal part and an external part, wherein the internal part comprises an insertion main body, the insertion mainbody is of a hollow pipe structure, the head end of the insertion main body is connected with a head end magnetic control camera module through a bending part, the tail end of the insertion main bodyis connected with a wireless transmitting module, an output cable of the head end magnetic control camera module is connected with an input of the wireless transmitting module through the bending part and the insertion main body, the external part comprises an external navigation magnet and wireless receiving apparatus, the external navigation magnet guides a movement posture in vivo of the headend magnetic control camera module in vitro, and the wireless receiving apparatus receives image information sent by the wireless transmitting module. The controllable free steering of the front section of the pre-guide apparatus can be realized, at the same time the real-time feedback of an intubation path is realized, and thereby a success rate of tracheal intubation is greatly improved.

The invention relates to interlocking intramedullary nails, in particular to an improved interlocking tibia intramedullary nail and belongs to the technical field of orthopedic surgery medical instruments. The improved interlocking tibia intramedullary nail comprises an interlocking intramedullary nail of which the distal end is provided with a taper positioning hole, an intramedullary nail lock pin with low notch and an intramedullary nail fixing tail cap with low notch; the interlocking intramedullary nail of which the distal end is provided with a taper positioning hole is composed of threeparts, namely a proximal forerake bending area, a middle vertical area and a distal forerake bending area; a distal interlocking pin hole and a distal taper positioning hole are formed in the distalforerake bending area; the intramedullary nail lock pin with low notch is mounted in a proximal interlocking pin hole and the distal interlocking pin hole of the interlocking intramedullary nail, andcomprises a lock pin head and a threaded rod; the intramedullary nail fixing tail cap with low notch is mounted at the top of the proximal end of the interlocking intramedullary nail of which the distal end is provided with the taper positioning hole, and comprises a tail cap head and a threaded rod.

The invention belongs to the field of medical auxiliary equipment, which applies a medical spicule, a gyroscope real-time monitoring sensor and main control equipment. The method comprises the following steps that: firstly, a gyroscope suspended by the bone needle of the standard reference surface monitors the sensor in real time to obtain the space standard plane (cross section) required for measurement; then a medical bone needle is respectively placed at the relatively constant positions of the near end and the far end of the fracture; the absolute angle of each medical bone needle to thatground in the standard plane is measured by the gyroscope real-time monitor sensor; and a spatial relative rotation angle between the near end and the far end of the bone is calculated. The measuringsystem is concise in equipment, is easily operated by a single person, is low in manufacturing cost, is suitable for a narrow site, acquires real-time accurate data wirelessly, monitors the rotating alignment condition of the bone setting operation in an assisted mode in real time, requires no large medical equipment or professional teams, greatly saves the medical cost, also requires no X-ray fluoroscopy or CT scanning before or during the operation, causes no extra body injuries, and facilitates medical units of all levels to carry out the technology.

The invention discloses an extraction and multiplication culture method and application of urine mesenchymal stem cells. The urine mesenchymal stem cells are separated from human urine, and are cultured and multiplied in a culture medium containing cell growth factors. The urine mesenchymal stem cells extracted and multiplication-cultured by the invention can repair various tissue and organ damage. The invention has the advantages that the sources of the cells are wide, the extraction and the multiplication culture are simple and feasible, and the popularization and the implementation are facilitated. The extraction method of the urine mesenchymal stem cells has the characteristics of no damage and wide sources, can induce and differentiate the urine mesenchymal stem cells into multiple cells, and has a wide application prospect in tissue engineering and regenerative medicine.

The invention discloses a minimally invasive S1 sacroiliac joint screw positioning guide, which is characterized in that it comprises a sliding guide rail (1), a first positioning rod (2), a second positioning rod (3), and an anterior superior iliac spine positioning sleeve Rod (11), Posterior Superior Iliac Spine Positioning Sleeve Rod (12), S1 Spinous Process Positioning Needle (14), S1 Sacroiliac Screw Sleeve (7), First Guide Buckle (4) and Second Guide Buckle ( 5). It is universal, easy to operate and easy to master. It uses the constant law between bony landmarks to locate, does not change with the change of body position during operation, reduces operation time, reduces the number of perspectives, and reduces the learning curve.

The invention relates to the technical field of medical polymer materials, in order to solve the problem of slow coagulation, low strength, poor biocompatibility and biodegradability of the existing injectable hydrogel, which is not conducive to fixed-point molding of the gel after injection and long-term exercise tolerance To solve the problem of sex, an injectable hydrogel material is provided, the injectable hydrogel material is generated in situ by equal-volume injection of component A and component B using a double injection process; the component A is carboxylated Methyl chitosan, the B component is obtained by reacting dialdehyde polysaccharide with auxiliary cross-linking agent and formaldehyde contrast agent. The injectable hydrogel material of the present invention has good motion tolerance, meets the requirements of biocompatibility and biodegradability, and also has the functions of multi-modal development and controllable degradation, achieving integrated protection, tracing, and customization It has a broad application prospect in the field of diagnosis and treatment integration.

The present invention discloses a lens nucleus pre-splitting device suitable for a micro-incision cataract ultrasonic emulsification operation. A head end of the device and a connecting rod can come in and out of eyes from a 2-mm micro-incision. The lens nucleus pre-splitting device comprises a connecting rod, a middle of the connecting rod is hollow tubular, a Y-shaped double-channel structure isformed in the hollow tubular connecting rod, an elastic handle is arranged at a rear end of the connecting rod and comprises two elastic slices, one ends of the elastic slices are connected to a rodbody of the connecting rod, the other ends of the elastic slices are a movable end, a silk thread structure is arranged in the hollow tubular connecting rod, one end of the silk thread structure is connected to the movable ends of the elastic slice, and the other end of the silk thread structure is divided into two strands at the double-channel structure to form a ring-shaped ring sleeve. The lensnucleus pre-splitting device is convenient in operation and short in learning curve, can easily and completely split nuclei of cataract crystalline lens, especially the hard nuclei, also has little damage to intraocular tissues, greatly improves efficiency and safety of nucleus splitting and is beneficial to smooth proceeding of the subsequent ultrasonic emulsification operation.

The invention belongs to the technical field of medical treatment and ophthalmology, and discloses a post-bulbous block anesthesia technology, which comprises the following specific operation steps: dotting an eye for 1-2 times by using a surface anesthetic in advance, after 5 minutes, making an incision on a conjunctiva at the bottom of a dome corresponding to a lacrimal punctum under an operation eye under direct vision of a microscope, and then performing post-bulbous block anesthesia on the conjunctiva at the bottom of the dome; the bulbar conjunctiva, the bulbar fascia and the sclera are fully separated, and the porcelain white sclera is exposed. Repeated experiments show that an incision with the size of about 2mm is formed in the dome bottom conjunctiva corresponding to the lacrimal punctum under the operation eye, bulbar conjunctiva, bulbar fascia and sclera are fully separated, the porcelain white sclera is exposed, then medicine injection is conducted through a self-made improved injection needle, the good anesthesia effect can be achieved, and the technical scheme is standard, simple and normative in operation, low in cost and suitable for large-scale popularization and application. The learning curve is short, the anesthetic effect of conventional postglobular retardation anesthesia (5-6 ml) can be achieved by using a small amount of anesthetic (about 4 ml), and no serious anesthesia complications are generated.

The invention relates to an AR positioning system of radiotherapy. The system comprises a chassis, a positioning bed, an operating console, a computer, a HoloLens, a Kinect and a lead; the chassis iscomposed of base plate, bottom rollers, a height adjusting pedal, horizontal guide rails, a circular guide rail, a fixed block and an adjusting device; the positioning bed is composed of a bed board,supports, transparent synthetic glass and pushing handles; the chassis is connected to the operating console via the lead; and the computer and HoloLens are placed on the operating console. The systemhas the advantages that radiotherapy can be carried out on a patient without a body surface physical mark; the patient can be avoided form repeated positioning, and the radiation absorbed dose and medical cost of the patient can be reduced; the patient is avoided from decrease of positioning precision caused by unclear physical marks in the body surface, and the accuracy of radiotherapy is improved; a doctor draws positioning lines less frequently, and time is saved; the working efficiency is improved; the whole process is clear in ideal, easy to master and includes a shorter learning curve;and different body parts of the patients can be collected.

The invention discloses a bone transport device used for massive bone defects. The device comprises an intramedullary main nail used for being beaten into sclerotin in the axial direction, and the two ends of the intramedullary main nail are provided with fixing screw holes. The device further comprises a fixing support and a plurality of fixing screws. The rear ends of the fixing screws are connected with the fixing support, and the front ends of the fixing screws are matched and connected with the fixing screw holes in the intramedullary main nail. The device further comprises a plurality of transport needles capable of moving in the axial direction of the intramedullary main nail, one end of each transport needle is implanted into a bone block, and the other end of each transport needle is connected to the fixing support.

The invention discloses a long bone locking steel plate traction external fixator and a using method thereof. The external fixator comprises an inner ring groove steel plate, an outer traction support, a clamping needle traction base, a traction rod and a bone needle, the inner ring groove steel plate is fixedly connected to a long bone and located in a body, the outer traction support is connected to the inner ring groove steel plate through a connecting rod and located outside the body, the clamping needle traction base is arranged on the outer traction support and slides in the length direction of the outer traction support, the traction rod is parallel to the outer traction support, both ends of the traction rod are connected to the outer traction support and the clamping needle traction base respectively, and the bone needle is arranged on the clamping needle traction base. The clamping needle traction base can be connected to the outer traction support in a bidirectional mode torealize bidirectional sliding movement and has a wide range of applications. An adjusting bolt is adjusted to enable the traction rod to drive the clamping needle traction base to move outwards, thenthe bone block is drawn at a fixed speed to slide to the far end, which is easy and stable to control, and the operation success efficiency is high.

The invention discloses a bone transport device used for massive bone defects. The device comprises an intramedullary main nail used for being beaten into sclerotin in the axial direction, and the two ends of the intramedullary main nail are provided with fixing screw holes. The device further comprises a fixing support and a plurality of fixing screws. The rear ends of the fixing screws are connected with the fixing support, and the front ends of the fixing screws are matched and connected with the fixing screw holes in the intramedullary main nail. The device further comprises a plurality of transport needles capable of moving in the axial direction of the intramedullary main nail, one end of each transport needle is implanted into a bone block, and the other end of each transport needle is connected to the fixing support.

The invention discloses a bracket type sticking piece for adult inguinal hernia TAPE surgical repairing. The bracket type sticking piece comprises an elliptical plugging net piece, wherein a semielliptical inner bracket is fixedly arranged on the outer side surface of the inner side part of the plugging net piece; a meniscate outer bracket is fixedly arranged on the outer side surface of the outer side part of the plugging net piece; the outer side of the inner bracket is overlapped with the edge of the plugging net piece; the inner side of the inner bracket adopts an arc-shaped side which is hunched up towards the outer side; the outer arc-shaped side of the outer bracket is overlapped with the edge of the plugging net piece; a sharp part below the outer bracket can be eliminated. The bracket type sticking piece has the advantages of being solid in mechanical fixation, good in surgical operability, good in long-term mechanical stability in bodies, free of displacement or coiling deformation and the like.

The invention discloses a distal radius fracture reduction and force measurement device. The device comprises a forearm and elbow joint supporting system, a biplanar arc-shaped guide rail system, an upper arm fixing system, a thumb traction system and a palm traction system, wherein the biplanar arc-shaped guide rail system and the upper arm fixing system are arranged on the forearm and elbow joint supporting system, and the thumb traction system and the palm traction system are arranged on the biplanar arc-shaped guide rail system. According to the device, all key assemblies can allow X rays to transmit, and therefore a doctor can conveniently monitor and judge the reduction effect during an operation; after a satisfactory fracture reduction effect is achieved, the device can be locked to keep the reduction state, and reduction losing possibly occurring in the plaster immobilization process is avoided; most importantly, the device can measure some biomechanical key parameters in the reduction process in real time, and a theoretical basis and a possible way are provided for normalized, quantified and precise operation of fracture reduction.

The invention provides an intramedullary lock nail with a low cutting track, relates to a lock nail which cooperates with an intramedullary nail, and belongs to the technical field of medical instruments for orthopedic surgery. The intramedullary lock nail with the low cutting track consists of a lock nail head and a threaded rod; the lock nail head is arranged on the upper portion of the threadedrod, a screwing structure with an internal polyhedral angle sinking hole is arranged in the lock nail head, and is positioned in the center of the top end surface of the lock nail head; and a handheld structure is arranged in the lock nail head, and is positioned in the center of the bottom of the internal polyhedral angle sinking hole. The coronal plane of the lock nail head is a trapezoidal plane or a semispherical plane, wherein the range of a base angle of the trapezoidal plane is 15 degrees to 90 degrees, and edges of the periphery of the trapezoidal plane are subjected to rounding; andthe spherical height of the semispherical plane is smaller than half of a circle. The internal polyhedral angle sinking hole is an internal hexahedral angle sinking hole. The handheld structure is arranged to be a threaded hole of which the diameter is smaller than the diameter of the internal polyhedral angle sinking hole, and is positioned in the center of the bottom of the internal polyhedral angle sinking hole.

A novel keyboard interface and input method are described. The interface is driven by a dynamic, general-purpose typing and data-entry software application, with a reduced number of keys to minimize screen real-estate requirements, especially for mobile devices. At any given time, the interface presents base characters with built-in key points on or around the base characters that can be selected and / or swiped to generate characters. The key points are strategically placed based on the intuitiveness of such placements, reducing the curve for learning how to use the interface. Its advantage over other methods of input such as handwriting, voice and gesture recognition is that it is less prone to error and privacy issues. The interface occupies a dramatically smaller area of the screen compared to traditional on-screen keyboards and can provide alternate placement as well as transparency to reveal text or images underneath. It can be implemented in most mobile and other computing platforms with reduced resource requirements.

The invention discloses a simple type bone cutter specially designed for spinal surgery. The bone cutter comprises the following parts: a container, wherein at least one pair of second through-holes is symmetrically disposed on the bottom of the container; a fixator installed at the bottom end of the container; a cutting device, wherein the cutting device comprises a cover plate matched with the wall of the container, a knife array disposed on the lower surface of the cover plate, a hollow connecting rod fixedly connected to the cover plate, a rotating handle disposed at the top end of the connecting rod and a force transducer disposed on the hollow connecting rod and located between the rotating handle and the cover plate; and a push device, wherein the push device comprises a push rod, apush plate and a tapping plate disposed at the two ends of the push rod respectively, the push rod is sleeved in the hollow connecting rod and the two ends of the push rod penetrate through the hollow connecting rod, and the push plate can slide longitudinally on the knife array. The bone cutter provided by the invention has a smaller volume and can be disinfected together with a common surgicalinstrument. The bone cutter can reduce the risk of pollution without the need for external power supply. The small bone pieces cut by using the bone cutter are evenly sized for easy transplantation and are especially suitable for spinal surgery.

The invention discloses a direct insertion type guide device for hip replacement. The direct insertion type guide device comprises a handle, a guide connecting rod, an acetabular cup connector and a sleeve, wherein the lower end of the handle is connected to the acetabular cup connector; one end of the guide connecting rod is connected to one side, close to the upper end, of the handle, and the other end of the guide connecting rod is provided with a sleeve hole into which the sleeve is inserted; the acetabular cup connector comprises an installing shaft, the center shaft of the sleeve is approximately overlapped with the axis of the installing shaft, and the handle and the guide connecting rod are fixedly connected through a first insertion rod and a first socket matched with each other; the lower ends of the acetabular cup connector and the handle are fixedly connected through a second insertion rod and a second socket matched with each other. The guide device is easy to assemble and disassemble, and can be used for accurately locating, inserting and press-matching an acetabular prosthesis without dislocation.