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Movable three-dimensional rocker arc-shaped guide spinal puncture assistor and use method of movable three-dimensional rocker arc-shaped guide spinal puncture assistor
InactiveCN105125285AImprove puncture accuracyShort fluoroscopy timeDiagnosticsSurgical needlesSpinal columnX-ray
The invention relates to a movable three-dimensional rocker arc-shaped guide spinal puncture assistor, which comprises a ground movable support part, a three-dimensional rocker regulating part and an arc-shaped angle guide puncture part, wherein bottom feet of the ground movable support part are rolling wheels with brakes; a vertical rod which is sleeved by a round tube and is used for maintaining the integral balance is arranged above the ground movable support part; the three-dimensional rocker regulating part is of a three-dimensional regulating structure consisting of three rockers with screw threads and three extension rods, and also comprises a horizontal calibrator and a horizontal locking spanner; the arc-shaped angle guide puncture part comprises a 1 / 4 circular-arc rail with an angle, a rocker, two infrared fixed point instruments, a guide rod and a needle guide device; the rocker can realize 360-degree vertical rotation through regulating the circular-arc rail; the guide rail slides along the circular-arc rail; and the needle guide device can be dismounted for disinfection. The movable three-dimensional rocker arc-shaped guide spinal puncture assistor has the advantages that the puncture accuracy is high; the perspective time is short; the number of perspective times is small; the quantity of X-ray radiation received by medical care personnel and patients is low; the needle guide device can be disinfected and repeatedly used; and high molecular materials are radiotransparent, and the like. Therefore the movable three-dimensional rocker arc-shaped guide spinal puncture assistor can be widely applied to spinal surgeries such as intervertebral aperture mirror positioning puncture, epidural anesthesia, spinal tumor biopsy and spinal abscess puncture drainage.
Owner:SHANGHAI TENTH PEOPLES HOSPITAL
Lumbosacral vertebrae percutaneous pedicle screw placement positioner
InactiveCN104138293AFlexible perspective timesReduce the number of perspectivesInternal osteosythesisMedicinePedicle screw
The invention discloses a lumbosacral vertebrae percutaneous pedicle screw placement positioner which is used for determining pedicle puncture points according to imaging data of a patient, adjusting puncture paths in a three-dimensional manner and positioning multiple pedicles once. The positioner comprises a rectangular frame formed by connection of two long strips provided with guiding grooves and two short strips provided with guiding grooves, wherein each long strip or each short strip can move horizontally along the guiding grooves in the two adjacent short strips or along the guiding grooves in the two adjacent long strips; an adjusting rod provided with a guiding groove is mounted on one long strip, can move transversely along the guiding groove in the long strip and can also move longitudinally along the guiding groove of the adjusting rod; a large-angle plate provided with an arc-shaped guiding groove I is connected with one end of the adjusting rod, a sliding block I is arranged on the arc-shaped guiding groove I to be connected with a small-angle plate provided with an arc-shaped guiding groove II; the small-angle plate can rotate along the arc-shaped guiding groove I of the large-angle plate; a sliding block II is arranged on the arc-shaped guiding groove II of the small-angle plate to be connected with a guiding pipe; the guiding pipe can rotate along the arc-shaped guiding groove II of the small-angle plate and is used for guiding in puncture screws.
Owner:刘瑾
Puncture point locating device and puncture point locating method
ActiveCN107582147APrecise positioningSuccessfully determinedSurgical needlesInstruments for stereotaxic surgeryLaser transmitterX ray image
The invention discloses a puncture point locating device, and relates to the technical field of medical apparatuses. The locating device comprises a locating part and a laser transmitter, wherein thelocating part is located between a detector and an examination area, the locating part is grid-shaped, an X-ray image formed by superimposing images of the locating part and a target object can be obtained after X-rays penetrate through the locating part, the laser transmitter is used for projecting a grid-shaped pattern to the examination area, and the grid-shaped pattern corresponds to the imageof the locating part in the X-ray image. The invention discloses a puncture point locating method adopting the puncture point locating device. According to the puncture point locating device and thepuncture point locating method, laser beams with the grid-shaped pattern and the grid-shaped locating part are utilized to assist a doctor in locating puncture points of the body surface, the locatingprecision is improved, the operation time is shortened, the frequency of fluoroscopy of a C-shaped arm X-ray machine is reduced, and the radiation dosage during an operation is reduced.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE
Positioning device for assisting C-arm in fluoroscopy, C-arm X-ray machine and positioning method
ActiveCN107773262AAvoid out-of-image area problemsAvoid radiationRadiation diagnosticsFluoroscopic imagingMedical equipment
The invention discloses a positioning device for assisting a C-arm in fluoroscopy, a C-arm X-ray machine and a positioning method and relates to the technical field of medical equipment. The positioning device comprises a first laser assembly and a second laser assembly, wherein a laser beam emitted by the first laser assembly and a laser beam emitted by the second laser assembly are intersected at a target point, the target point is located in the intersection area of an X-ray beam when the C-arm is in the normal position and an X-ray beam when the C-arm is in the lateral position. The targetpoint is positioned through the first laser assembly and the second laser assembly, the region of interest is put at the target point, fluoroscopy imaging of the region of interest in two directionscan be realized through one-time positioning, so that the adjustment frequency of the region of interest is reduced, the working efficiency is improved, besides, the radiation quantity of the X-rays is reduced, and radiation injury of X-rays to a patient is reduced.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE
Puncturing positioning device of operation of intervertebral foramen of lumbar vertebra and using method thereof
PendingCN109009357AEasy to determineAvoid injuryOperating tablesSurgical needlesEngineeringIntervertebral foramen
The invention discloses a puncturing positioning device of operation of intervertebral foramen of lumbar vertebra and a using method thereof, and belongs to the field of medical instruments. The operation puncturing positioning device comprises an operation bed fixing clamp, an upright column which is perpendicular to a bed surface is connected with the fixing clamp, the end of a cross bar is slidably connected with the upright column, the other end of the cross bar is a rotary shaft, an adjusting rotary tube is rotatably connected with the rotary shaft, a positioning tube which is perpendicular to the axial center of the rotary shaft is arranged on the side, close the end, of the adjusting rotary tube, a positioning needle is arranged in the positioning tube, a horizontal length measuringbar and a tilting length measuring bar are arranged on a rotary shaft and an adjusting rotary tube which are located on the side of the positioning tube, arc-shaped long holes which are formed in therotary direction are formed in the outer circumference of the adjusting rotary tube, and the arc-shaped long holes move along the horizontal length measuring bar when the adjusting rotary tube is rotated. By means of the puncturing positioning device, the puncturing direction and angle can be accurately positioned, the operation time can be shortened, the smooth processing of the operation is ensured, the pain of a patient is relieved, and the overstrain of a doctor is reduced.
Owner:李国胜
In-vitro dynamic hip screw guider
InactiveCN103393462ARelieve painIncrease painSurgeryIntertrochanteric fractureFemoral Neck Fractures
The invention discloses an in-vitro dynamic hip screw guider comprising guide needle cannulas and a guide block. The guide block is provided with a bottom edge and guide edges. The bottom edge is provided with two parallel puncture needles. The bottom edge is provided with a plurality of guide needle holes parallel to the guide edges. The guide needle cannulas are inserted into the guide needle holes. With the in-vitro dynamic hip screw guider, the positioning operation in needle passing and fixation for femoral intertrochanteric fracture and femoral neck fracture is simplified, a needle feeding point can be positioned quickly and accurately, and the needle feeding angle can be kept quickly and accurately; the guider has the advantages of avoidance of heavy wound, high cost, radiation and the like; through using the guider, the number of photographing or raying times is reduced, surgical time is shortened, surgical bleeding is less, and patients feel less pain; in addition, the guider guarantees safety and reliability of operation and is simple in structure, easy to disassemble, convenient to carry, economical, practical and suitable for final popularization and application.
Owner:陈立军
Navigation template for vertebral pedicle locating and real-time screw path monitoring and manufacturing method thereof
ActiveCN104905869AMonitor location in real timePlace stableOsteosynthesis devicesVertebral pedicleVertebral surface
The invention discloses a navigation template for vertebral pedicle locating and real-time screw path monitoring and a manufacturing method thereof. The navigation template comprises a vertebral surface attachment template body and an external vertebral pedicle template body, at least one connecting rod is arranged between the vertebral surface attachment template body and the external vertebral pedicle template body, a screw inlet area is arranged on the vertebral surface attachment template body, the vertebral surface attachment template body is obtained by thickening after needed surgical vertebral surface data are extracted, the external vertebral pedicle template body is obtained through a mirror image vertebral pedicle template, and the vertebral pedicle template is obtained by thickening after needed surgical vertebral pedicle surface data are extracted. The vertebral surface attachment template body is obtained by thickening after the needed surgical vertebral surface data are extracted, and therefore in the screw arrangement process, the navigation template is placed firmly. The external vertebral pedicle template body is obtained through the mirror image vertebral pedicle template, therefore, the position of a screw in the vertebral pedicle can be monitored in real time, and screw inlet accuracy is improved. The navigation template is suitable for the field of medical instruments.
Owner:SOUTHERN MEDICAL UNIVERSITY
Minimally invasive guider for spines
PendingCN111134798AReduce radiationReduce the number of perspectivesSurgical needlesInstruments for stereotaxic surgerySpinal columnGonial angle
The invention provides a minimally invasive guider for spines. The guider consists of a grid, a ruler, guider bodies, a drill bush and a puncture needle, and is used for guiding of spine puncture. Before surgery, the grid is stuck to the surface of skin; a puncture point and a puncture angle on the skin are determined by computerized tomography (CT) imaging; during the surgery, the ruler is attached to the surface of the skin, and a guider body is placed on the ruler, and the angle of the guider body can be adjusted longitudinally and transversely relative to the ruler to make a puncture direction and angle fit in with a puncture line, and thereby, the goal of puncture guiding is achieved.
Owner:SHANDONG HANGWEI ORTHOPEDICS MEDICAL INSTR
Auxiliary device used in PFNA (proximal femoral nail anti-rotation) internal fixation surgery
ActiveCN105615979AFixed and accurateAccurate locationInternal osteosythesisLess invasive surgeryIntertrochanteric fracture
The invention discloses an auxiliary device used in PFNA (proximal femoral nail anti-rotation) internal fixation surgery and relates to the technical field of minimally invasive orthopaedic surgery instruments so as to solve the problems that an existing implantation instrument can not position the PFNA entry point easily, and a screw blade can not be accurately implanted into the neck of femur at a time.The auxiliary device used in PFNA internal fixation surgery comprises a positioning and guiding base plate and a guide pin positioning and guiding mechanism connected with the positioning and guiding base plate through a positioning rod assembly.The positioning and guiding base plate is arranged above the hip joint and corresponds to a PFNA to be implanted into the femur in position in the vertical direction, and the positioning and guiding base plate can be used for preliminarily determining the implantation position, depth and diameter of the PFNA.The guide pin positioning and guiding mechanism can be used for further accurately determining the implantation position and depth of the PFNA and a screw blade.The positioning rod assembly can be used for adjusting the implantation direction of the screw blade.The auxiliary device is mainly applied to closed reduction PFNA internal fixation treatment of femoral intertrochanteric fractures.
Owner:高开拓
Minimally-invasive S1 sacroiliac joint screw positioning guider
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.
Owner:王钢
Portable puncture outfit and puncture device and method composed of same
ActiveCN112137698AEasy to clean and disinfectControl needle depthSurgical needlesSurgical navigation systemsSurgeryBiomedical engineering
The invention discloses a portable puncture outfit. The portable puncture outfit comprises a target, a working sheath, a puncture needle and a handle; the working sheath is of a hollow structure; thepuncture needle comprises a needle base, a needle tube, a lining core and a limiting block; one end of the lining core is fixedly connected with the bottom end of the limiting block, and the other endof the lining core is embedded into the working sheath and is in threaded connection with the working sheath; the top end of the limiting block is detachably connected with the needle base; the top end of the needle tube is fixedly connected with the needle base, and the bottom end of the needle tube penetrates through the limiting block, the lining core and the working sheath and extends out ofthe working sheath; the lining core rotates along the inner wall of the working sheath in a threaded mode and can limit the length of the portion, extending out of the outer end of the working sheath,of the needle tube; the handle is fixed under the working sheath; and the target is fixed right above the working sheath. The puncture needle is convenient to disinfect and clean, puncture deviationor slipping is prevented, and the accuracy and safety of a puncture operation can be effectively improved.
Owner:珠海康弘健康投资管理有限公司
Spinal bullseye positioning pathway forming device
PendingCN110123423AAccurate and stable establishmentHigh precisionSurgical needlesDiagnostic markersX-rayBiomedical engineering
The invention belongs to the technical field of medical instruments and particularly relates to a spinal bullseye positioning pathway forming device, comprising an arc support connected with a universal mechanical arm; the arc support is provided with an arc slide slot that penetrates the inner and outer surfaces of the arc support; one ends of a plurality of puncture corrective sleeves are slidably connected inside the arc slide slot, and the other ends of the puncture corrective sleeves are extended in a direction approaching the arc center of the arc slide slot; a puncture mechanism is slidably connected inside each puncture corrective sleeve. The spinal bullseye positioning pathway forming device also comprises a bullseye reference rod which may slide to approach or leave the arc center of the arc support. Through preoperative puncture approach design, the bullseye reference rod assists in intraoperative bullseye positioning, a working pathway is established precisely and stably, the working pathway can be established with better precision and higher success rate, the number of required X-ray times is decreased, X-ray radiation to surgeons and a patient is reduced, surgical time is shortened, and fewer puncture positioning and working pathway establishment complications occur.
Owner:江苏道道新医疗科技有限公司
Positioning device for force line measuring angle of osteotomy around knee
The invention provides a positioning device for the force line measuring angle of an osteotomy around a knee. The positioning device comprises an angled force line measuring rod, a fixing assembly, asupporting needle and clamping board bases; the angled force line measuring rod comprises a fixing rod, a first movable rod and a second movable rod; one surface of the fixing assembly is connected with one end of the fixing rod, the portion, located on the opposite surface of the connected surface of the fixing rod and the fixing assembly, on the fixing assembly is movably connected with one endof the first movable rod, and the other end of the first movable rod is pivoted on the second movable rod through a pivoting shaft; the supporting needle penetrates a thighbone or shin bone of a lowerlimb of a human body, and the two ends of the supporting needle are fixed onto the clamping board bases; the fixing assembly is located above the lower limb and movably connected with the clamping board bases. The device has the advantages that a product is simple to operate, convenient to use, stable and reliable; surgical time is shortened, the precision of osteotomy orthopaedics is improved, and the number of times of fluoroscopy and the radiant quantity are greatly reduced, so that it is avoided that the patient and doctors receive too much radiation, so that physical health is affected.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA
Fine adjustment aiming device for far-end locking of femoral intramedullary nail
PendingCN112155706AWith multi-directional adjustment functionFast implantInternal osteosythesisEngineeringIliac screw
A fine adjustment aiming device for far-end locking of femoral intramedullary nail comprises an aiming arm used for being detachably connected with an intramedullary nail handle, wherein an adjustingassembly is arranged on the aiming arm and comprises a transverse sliding block arranged on the aiming arm in a sliding mode, a longitudinal sliding block perpendicular to the sliding direction of thetransverse sliding block is arranged in the transverse sliding block, an aiming frame is arranged at the bottom of the longitudinal sliding block, a first adjusting block and a second adjusting blockwhich are opposite are arranged in the aiming frame in a sliding mode, a navigation hole is formed in each of the first adjusting block and the second adjusting block, a first adjusting screw is in threaded connection with a left end screw hole of the aiming frame and then rotationally connected with the first adjusting block, and a second adjusting screw is in threaded connection with a right end screw hole of the aiming frame and then is rotationally connected with the second adjusting block. The implantation position of far-end locking screws can be accurately determined through independent fine adjustment of the adjusting blocks, the operation time is shortened, the perspective frequency is reduced, medical staff and patients are protected, and the fine adjustment aiming device can beconnected and matched with various intramedullary nail handles on the market for use and has extremely high universality.
Owner:LUOYANG ORTHOPEDIC TRAUMATOLOGICAL HOSPITAL
Three-dimensional adjustable nail locking guider for long intramedullary nail
InactiveCN110680494ASolve problemsPrecise drillingInternal osteosythesisEngineeringReoperative surgery
The invention discloses a three-dimensional adjustable nail locking guider for a long intramedullary nail. Three-dimensional deformation of a far end of the long intramedullary nail is decomposed intodeformation in two planes perpendicular to each other to be solved step by step. The deformation of the intramedullary nail is the displacement of a far-end nail locking hole; the displacement of thenail locking hole in one plane realizes re-accurate aiming of a guide hole and the nail locking hole through hinged rotation of a fixed guide arm and an adjusting guide arm, and accurate aiming in the plane is realized by adjusting the distance and the direction between the guide hole and the corresponding nail locking hole in the other plane; when the two planes correspond to each other, all theguide holes can be accurately aimed; according to the three-dimensional adjustable nail locking guider for the long intramedullary nail, accurate nail locking can be achieved, the problem that nail locking of the intramedullary nail is difficult is solved, the operation time can be shortened, radiation of X-rays to a patient and a doctor is reduced, bleeding is reduced, the infection proportion is reduced, and rehabilitation of the patient is facilitated.
Owner:郝晓艳
Phalangeal fracture kirschner wire internal fixation guider and using method thereof
InactiveCN106175913AImprove accuracyReduce the number of needle threadsInternal osteosythesisInternal fixationSoft tissue injury
The invention discloses a phalangeal fracture kirschner wire internal fixation guider and a using method thereof. The guider comprises a hollow guide needle, a direction pointer and a handle. The direction pointer parallel to the hollow guide needle is arranged above the hollow guide needle, and the direction pointer and the handle are both connected with a guide needle body through sleeves and can rotate around the longitudinal axis of the guide needle. The phalangeal fracture kirschner wire internal fixation guider is simple in structure, convenient to manufacture and low in cost. A kirschner wire can stably drill holes in the smooth inner wall of a finger marrow cavity through a slop at the far end of the hollow guide needle; meanwhile, the outlet position of the kirschner wire can be judged before kirschner wire is threaded, and soft tissue damage caused by multiple times of needle threading can be avoided. The one-time needle threading success rate can be increased, damage of X rays to the bodies of a doctor and a patient in an operation can be relieved, and dependence on the physical strength and experience of the doctor is reduced.
Owner:TIANJIN HOSPITAL
A femoral neck fracture fixation device
ActiveCN108720914BPrevent inversionPrevent rotationInternal osteosythesisBone platesThighFemoral bone
The invention discloses a femoral neck fracture fixing device. The femoral neck fracture fixing device comprises side steel plates, three sleeves, three head nails matched with the sleeves and at least one cortical bone locking screw. The inner surfaces of the side steel plates are matched with the anatomic form of the near-end outer side wall of the thigh bone. The head side of each side steel plate is provided with three conical threaded locking holes, and the tail side of locking the steel plates is provided with at least one cortical bone locking screw. The sleeves of hollow structures. The tail portions of the sleeves are matched with the conical threaded locking holes. The cortical bone locking screws are matched with cortical bone locking screw locking holes. The femoral neck fracture fixing device produces small wounds and is good in fixing effect, simple in operation and accurate in positioning.
Owner:GENERAL HOSPITAL OF PLA
Locating guide plate for spine fluoroscopy
ActiveCN108378931AGuaranteed accuracyImprove accuracyInstruments for stereotaxic surgeryIntraoperative fluoroscopySurgical incision
The invention discloses a locating guide plate for spine fluoroscopy. The locating guide plate comprises a guide plate body and stabilizing assemblies, wherein one side of the guide plate body is provided with an attaching locating face corresponding to the shape of the spine of a surgery patient, the attaching locating face is obtained by carrying out curved surface fitting according to the spinefluoroscopy data of the surgery patient, a vertebra line chart is marked on the guide plate body according to the spine fluoroscopy data of the surgery patient, and different symbols are used for marking the vertebra lines, so that the vertebra lines can be distinguished; the surgical incision position is marked on the guide plate body according to the spine fluoroscopy data; the stabilizing assemblies are arranged on two sides of the guide plate body, and are fixedly connected with the guide plate body in a detachable manner, so that the guide plate body can be stabilized. With the locatingguide plate for spine fluoroscopy, the accuracy of the surgery can be improved, the times of fluoroscopy in the surgery is reduced, and radiation is reduced.
Owner:THE GENERAL HOSPITAL OF ARMY PLA
Percutaneous vertebroplasty (PVP) operating system capable of bilaterally injecting bone cement at same time
InactiveCN106974721AReduce the chance of leaksEnsure normal injectionInternal osteosythesisBone cementPercutaneous vertebroplasty
The invention provides a percutaneous vertebroplasty (PVP) operating system capable of bilaterally injecting bone cement at the same time. The system comprises a puncture needle 1, a puncture needle 2, a connection pipe 3, a connection pipe 4, a three-way device 5 and a conveyor 6, the puncture needle 1 is connected with the connection pipe 3, the puncture needle 2 is connected with the connection pipe 4, the other end of the connection pipe 3 and the other end of the connection pipe 4 are connected with two ends of the three-way device 5, and the conveyor 6 is connected with the other end of the three-way device 5, wherein the three-way device 5 is provided with a switch 7.
Owner:姜树东
Movable three-dimensional rocker arc-guided spinal puncture aid and method of use thereof
InactiveCN105125285BImprove puncture accuracyShort fluoroscopy timeSurgical needlesTrocarJoystickX-ray
Owner:SHANGHAI TENTH PEOPLES HOSPITAL
Pedicle screw
InactiveCN101803944BEasy to installEasy resetInternal osteosythesisFastenersScrew threadPedicle screw
Owner:王春
Acetabulum implanting device with adjustable anteversion angle and abduction angle and application method thereof
ActiveCN111134915AAccurateReduce incidenceJoint implantsAcetabular cupsPostoperative complicationOphthalmology
The invention provides an acetabulum implanting device with an adjustable anteversion angle and abduction angle. The acetabulum implanting device comprises an implanting rod, wherein a first guide rodand a second guide rod are hinged on the implanting rod; a first fastening unit is arranged on the first guide rod and can fix the first guide rod and the driving rod; and a second fastening unit isarranged on the second guide rod and can fix the second guide rod and the implanting rod. According to the invention, different abduction angles and anteversion angles can be simultaneously adjusted;the accuracy of prosthesis implantation is achieved; meanwhile, the number of fluoroscopy times in an operation can be reduced; the time of the operation can be shortened; the occurrence rate of postoperative complications can be reduced; and more benefits are brought to a patient. The invention also discloses an application method for the acetabulum implanting device. Through the acetabulum implanting device which can adjust different abduction angles and anteversion angles, the accuracy of prosthesis implantation is achieved; meanwhile, the number of fluoroscopy times in the operation can bereduced; the time of the operation can be shortened; the occurrence rate of postoperative complications can be reduced; and more benefits are brought to the patient.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Auxiliary device in intramedullary nail internal fixation operation
ActiveCN105615979BFixed and accurateAccurate locationInternal osteosythesisLess invasive surgerySpiral blade
The invention discloses an auxiliary device for intramedullary nail internal fixation, relates to the technical field of orthopedic minimally invasive surgical instruments, and solves the difficulty in positioning the nail entry point of PFNA with the existing insertion device, and the helical blade cannot be accurately inserted into the femur at one time. Problems in the neck. The auxiliary device in the intramedullary nail internal fixation operation of the present invention comprises: a positioning guide base plate and a guide wire positioning guide mechanism connected by a positioning rod assembly; The position of the inserted PFNA corresponds up and down, and the positioning guide substrate can be used to preliminarily determine the insertion position, depth, and diameter of the PFNA; the guide pin positioning guide mechanism can be used to further accurately determine the insertion position and depth of the PFNA and the helical blade; positioning The rod assembly can be used to adjust the insertion direction of the helical blade. The invention is mainly used in closed reduction and PFNA internal fixation treatment of femoral intertrochanteric fracture.
Owner:高开拓
Method and device for treatment of scaphoid fracture
PendingCN107854168ASolve technical problems that cannot be accurately inserted into the needleAccurate needle insertionSurgeryTransverse incisionDouble compression
The invention provides a method and device for the treatment of scaphoid fracture in the technical field of medical treatment. The method includes the following steps that a wrist fixation base is used for fixing wrist joints to the dorsal extension position, and carpalbone-navicular bone joints are determined and labeled; a sterilized auxiliary treatment device is connected to the wrist fixationbase; a 1cm transverse incision is formed at the labeling position of the skin, subcutaneous tissue is separated until the gap of the carpalbone-navicular bone joints is reached; a bone hook hooks a navicular bone and pries the navicular bone toward the radial side, and a guide sleeve pierces the distal-pole surface of the navicular bone so as to lock the device; the angle of the guide sleeve is adjusted; the direction of the sleeve is determined through a photoscopy, and it is ensured that a guide needle can be correctly inserted inside; an anti-rotation kirschner pin is inserted along the guide needle, and the auxiliary treatment device is removed; the guide needle is inserted in the distal end of the radius through drilling, and a hollow drill is used for passing through the guide needle for drilling; a double-head compression screw passes through the guide needle and is screwed into the navicular bone; the position of the screw is determined again through photoscopy, the anti-rotation kirschner pin is pulled out, bleeding is stopped, and a wound is sutured. The method and the device ensure accurate needle insertion, and the number of the times of needle insertion and the numberof the times of photoscopy are reduced.
Owner:YANGZHOU FIRST PEOPLES HOSPITAL
Scaphoid Kirschner wire guiding device and use method thereof
PendingCN107184268AAccurate placementFewer needle threadsOsteosynthesis devicesWrist supportEngineering
The invention discloses a scaphoid Kirschner wire guiding device and a use method thereof. The wrist joint is fixed in a fully stretching position, an ulnar inclination position and a thumb fixation retraction position through a wrist and palm fixing support so that a Kirschner wire can be placed from a scaphoid nodule easily; the wrist and palm fixing support is fixed through a fixing belt, and an inverted regular frustum type Kirschner wire positioning guiding plate is fixed on the front side of a wrist support of the wrist and palm fixing support through a fixing belt; the inverted regular frustum type Kirschner wire positioning guiding plate comprises an upper-layer porous plate, a lower-layer porous plate and a connecting rod between the two porous plates, the area of the upper-layer porous plate is large, the area of the lower-layer porous plate is small, the two porous plates are square, the two porous plates are connected through the connecting rod and then are in an inverted frustum shape, and round holes in the uniform size are uniformly formed in the two layers of porous plates. It is guaranteed that the Kirschner wire can be accurately placed in, the puncture frequency the Kirschner wire in the scaphoid is low, the damage to blood supply in the scaphoid can be effectively reduced, the fluoroscopy frequency can be reduced, and radiation hazards can be reduced.
Owner:NINGBO SIXTH HOSPITAL
Intraoperative fluoroscopy laser positioner
PendingCN110063746AAvoid pollutionPrecise positioningRadiation beam directing meansChinese charactersIntraoperative fluoroscopy
The invention provides an intraoperative fluoroscopy laser positioner, which comprises a fixing belt, two laser emitters shaped like a Chinese character 'yi' and a power supply system; the fixing beltsleeves an X-ray receiving screen of an mobile fluoroscopy machine and comprises a non-elastic belt, an elastic belt and a pair of connecting pieces, the three parts are connected with each other, the closing of the fixing belt is achieved through the connection of the two connecting pieces, and the total length of the fixing belt is slightly smaller than the circumference of the X-ray receivingscreen of the mobile fluoroscopy machine; the two laser emitters are arranged on the fixing belt, and the distance between the two laser emitters is 1 / 4 of the circumference of the X-ray receiving screen of the mobile fluoroscopy machine, so that a laser cross point is positioned at the central point of an X-ray emitting bulb tube of the mobile fluoroscopy machine; and the power supply system is connected with the laser emitters to supply power for the laser emitters. The positioner can be directly installed on a prior fluoroscopy machine, the fluoroscopy center point of the fluoroscopy machine is formed through the laser positioner, and the fluoroscopy center of the fluoroscopy machine can be accurately positioned.
Owner:福州市第二医院
Femoral head necrosis medullary core decompression device
PendingCN109998633AExpand the scope of operationFlexible adjustment of operating rangeDiagnosticsBone drill guidesMedicineStraight tube
The invention discloses a femoral head necrosis medullary core decompression device. The device comprises an outer guiding tube, an inner guiding tube and a soft drill bit assembly; the outer guidingtube is a straight tube; the inner guiding tube comprises a straight tube section and a bending section which are connected with each other, and the bending section deflects towards one side of the straight tube section, extends from one end of the outer guiding tube and protrudes from the other end of the outer guiding tube; the soft drill bit assembly comprises a drill bit, a soft drill rod anda hard drill rod which are sequentially connected, and the drill bit penetrates through the straight tube section and protrudes out of the bending section. The femoral head necrosis medullary core decompression device has the advantages that the bending section can protrude out of the outer guiding tube, the drill bit penetrates out of the bending section, the operation range of the drill bit is enlarged, the necrotic bone tissue is effectively and completely removed, and the full decompression is facilitated.
Owner:中国人民解放军联勤保障部队第九0四医院
A force line measurement angle positioning device for osteotomy around the knee joint
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA
Femoral intramedullary distributed anti-rotation fixing device
The invention discloses a femoral intramedullary distributed anti-rotation fixing device, which comprises a medullary nail fixed to the center of a femur, a screw transversely penetrates through the medullary nail, the medullary nail is hollow and comprises an obliquely-arranged top and a vertically-arranged bottom, and the diameter of the top of the medullary nail is larger than that of the bottom of the medullary nail. Through holes are formed in the side portion of the medullary nail, the screw transversely penetrates through the through holes, the through holes are designed in a distributed mode, and the through holes are obliquely formed and comprise a first through hole, a second through hole, a third through hole and a fourth through hole. Wherein the screw is an anti-rotation hollow compression screw and comprises a fixed part and an anti-rotation part, threads are arranged at the end part of the fixed part, a tail cap is arranged at the end part of the anti-rotation part, andthe anti-rotation part is hollow; furthermore, the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially formed in the top of the medullary nail from top to bottom. According to the invention, the screw imbedding accuracy can be obviously improved, so that bone blocks can be stabilized, the probability of healing of fracture blocks is increased, and the probability of fracture of bones and bone nails is reduced.
Owner:孙立山
A minimally invasive s1 sacroiliac joint screw positioning guide
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.
Owner:王钢
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