51 results about "Puncture - action" patented technology

The invention discloses an auxiliary robot for tumor puncture of four degrees of freedom, and belongs to the technical field of surgical instruments. The robot comprises a needle inserting device, a first swing drive device, a second swing drive device, a first parallel moving drive device and a second parallel moving drive device. The needle inserting device is used for finishing puncture actions, the first swing drive device is used for driving the needle inserting device to swing around Y axis, the second swing drive device is used for driving the needle inserting device to swing around X axis, the first parallel moving drive device is used for driving the needle inserting device to move in parallel along the X axis, and the second parallel moving drive device is used for driving the needle inserting device to move in parallel along the Y axis. By utilizing the robot, the automation and intelligence of mechanical needle inserting can be achieved, the surgery process is standardized,the influence of human and experience factors is reduced, the working strength of physicians is reduced, the working efficiency of the physicians is improved, and the accuracy and success rate of thesurgeries are improved.

The invention relates to an intelligent spinal anesthesia puncture robot system, which is characterized by comprising two parts, namely a robot main body and an image processing system, wherein the robot main body and the image processing system are in data communication by virtue of a wireless network; the robot main body is provided with an executing module, a control module, a pressure sensor module, an A/D conversion (analog-to-digital conversion) unit and a motor driving module; and the image processing system comprises a PC (personal computer), a calibration module and a binocular vision system. By virtue of an image processing technology, route planning for preoperative puncture is achieved by the system; preoperative puncture actions are implemented by virtue of a robot automatic control technology; axial stress of a puncture needle adopted in the puncture is detected and collected in real time by virtue of the integrated pressure sensor module, so that the whole course of the puncture process is monitored and possible accidents caused by manual puncture are effectively avoided; and the entire system is simple in structure and logics and is high in reliability.

The invention discloses an acoustic wave puncture auxiliary system and a method for applying the same. The acoustic wave puncture auxiliary system comprises a loudspeaker, a voltage-controlled oscillator, a display and recording module, a pressure signal amplifier, a pressure sensor, a piston tee, an infusion pump, an epidural puncture needle, a polyvinyl chloride extension tube and a polyethylene extension tube. The loudspeaker is connected with the display and recording module and the pressure signal amplifier by the voltage-controlled oscillator, the pressure signal amplifier is connected with the polyvinyl chloride extension tube and the polyethylene extension tube by the pressure sensor, the other end of the polyvinyl chloride extension tube is connected with the infusion pump, and the other end of the polyethylene extension tube is connected with the epidural puncture needle. The acoustic wave puncture auxiliary system and the method have the advantages that the position of the epidural puncture needle can be judged by the aid of acoustic waves and screen waveforms, accordingly, direct effects can be realized, an anesthetist can hold the puncture needle by the two hands, the stability and the controllability of puncture actions can be facilitated, the puncture success rate can be increased and nearly reaches 100%, and the acoustic wave puncture auxiliary system further can assist in judging the positions of indwelling catheters or can be used for clinically teaching new anesthetists.

The present invention discloses a fixing guiding flexible puncture device. The device comprises a puncture frame and puncture needles, wherein the puncture frame comprises a vertical lifting frame, a change-over body, a horizontal expansion bracket, a puncture fixing support and a puncture guide support, wherein the change-over body can be installed on the upper end of the vertical lifting frame in a 360-degree freely rotating manner, a head end of the horizontal expansion bracket is telescopically installed on the change-over body, a head end of the puncture fixing support can be freely fixed on a tail end of the horizontal expansion bracket in all directions, the puncture guide support is fixedly connected at a tail end of the puncture fixing support, both an upper surface and a lower surface of the puncture guide support are provided with at least one puncture guide hole, and the puncture needles are installed on the puncture guide holes. The fixing guiding flexible puncture device provided by the present invention is convenient to operate, flexible to use, and convenient, rapid and stable in puncture actions, and guiding and fixing problems of the puncture needles in the puncture process are overcome.

The invention provides a preparation method of guanidinated chitosan. By guanidination modification for chitosan, the biological alkalinity and the water solubility of the chitosan are improved, and the action capacity of the chitosan to an electronegative cell membrane is enhanced; the provided preparation method of the guanidinated chitosan aims to increase the grafting rate of chitosan guanidination and avoid side reaction. The invention further provides a method for preparing antibacterial nano microspheres from the guanidinated chitosan. The method comprises the steps of by taking dextran sulfate as a crosslinking agent, preparing the lysozyme-coated guanidinated chitosan nano microspheres; by the use of the puncture action of the guanidinated chitosan to the cell membrane, the stability of the outer membrane lipid structure of gram negative bacteria (G-) is destroyed to expose peptidoglycan on the inner wall layer, and the peptidoglycan is hydrolyzed through lysozyme; under the synergistic action of the guanidinated chitosan and the lysozyme-coated guanidinated chitosan nano microspheres, the inhibition effect on G- is enhanced.

The invention discloses an automatic medicine delivery system which can adapt to intravenous injection operation needing to add medicine powder into medicine liquid. The whole process is completed automatically and convenient and quick; a screw transmission mechanism is used to as a driving source of puncture action of a needle tube, so that puncture stroke can be controlled accurately; the screwtransmission mechanism can provide puncture force which is more stable and bigger; electromagnets and iron blocks are used as clutch means, rotation of a motor is converted into the puncture action ofthe needle tube by means of swing rod driving, so that conversion of the action can be completed while vertical size is reduced; the system is ingenious in structure; the whole delivery system does not dispensing operation for input of the medicine liquid and the medicine powder and can deliver liquid during dispensing, so that efficiency is improved.

The invention provides a CT real-time positioning accurate puncture robot. The CT real-time positioning accurate puncture robot comprises a case, a mechanical arm, a robot arm, a puncture angle controller, a system control box and a computer. The robot can be placed right behind a CT machine in use. The case comprises an upper case and a lower case; the upper case comprises a basically cylindricalrobot hole, and when the robot is placed right behind the CT machine, the central axis of the robot hole coincides with the central axis of a rack of the CT machine; the lower case is used for mounting the system control box; the computer and the control device of the CT machine are placed adjacently, so that cooperative operation is facilitated. The far end of the mechanical arm is arranged in the robot hole, is parallel to the central axis of the robot hole, and can do arc-shaped motion close to the excircle of the hole at the upper part in the CT machine hole; the puncture angle controlleris arranged at the far end of the mechanical arm and used for controlling the angle of the puncture action of the robot arm.

The invention provides a vibration type thick material sealing and sewing device which comprises a vibration shell, wherein the vibration shell is assembled at the lower part of a sewing machine head; a vertical sliding cavity is designed inside the vibration shell; a sliding block which can slide up and down is assembled inside the sliding cavity; the bottom of the sliding block is connected with the lower part of the sliding cavity through a spring; a sewing needle which vertically extends outside the vibration shell is connected to the lower part of the sliding block; a lower magnet of which the magnetic line of force faces vertically is mounted at the upper part of the sliding block; a vibration wheel which can rotate along a horizontal shaft is assembled at the upper part of the sliding block; and upper magnets are uniformly distributed on an annular loop of the vibration wheel. When the vibration type thick material sealing and sewing device is used, the vibration shell moves downwards as a whole along the sewing machine head, and the sewing needle can puncture a fabric to be sewn in an up-down rapid vibration manner, so that multiple times of puncture action can be completed in the process that the sewing machine head moves downwards once, a relatively thick fabric can be relatively smoothly punctured, and the whole sewing process can be smoothly completed.

The invention relates to an automatic sample injector bottle pressing assembly, which comprises a needle seat, a needle assembly, a bottle pressing guide rail, a tension spring, a position limiting frame and a bottle pressing block, wherein a sliding block is fixed on the needle seat, the needle assembly is fixed on the needle seat, the bottle pressing guide rail is provided with a sliding groove,the sliding groove and the sliding block form a sliding pair in a matched manner so as to make the bottle pressing guide rail slide relative to the needle seat in a direction parallel to the needle assembly, the upper end of the tension spring is fixed on the bottle pressing guide rail, the lower end of the tension spring is fixed on the needle seat, the position limiting frame is fixed on the bottle pressing guide rail and is used for detecting whether the bottle is deficient by matching with a bottle deficiency detection opticalcoupler, the bottle pressing block is fixed on the lower end ofthe bottle pressing guide rail and is provided with a through hole concentric with the needle assembly, and the needle assembly can penetrate through the through hole of the bottle pressing block. According to the present invention, the automatic sample injector bottle pressing assembly can detect the bottle deficiency, can prevent the automatic sample injector from idle walking, can reduce the failure probability of the puncture action of the automatic sample injector, can improve the reliability, can effectively balance the pressures inside and outside the sample injection bottle, and can ensure the accuracy of the sample injection volume.

The invention relates to a blood collection instrument, which comprises a main body, a scanning device, a mechanical arm, a processor system and a driving system. The scanning device can be movably set on the main body to obtain a distribution diagram of a patient's arm section tissue. The mechanical arm is movably connected with the main body to connect blood vessels and needles. The processor system is connected with the scanning device by communication, and the processor system can determine the position of the blood vessel based on the distribution diagram of the arm's section tissue. Thedriving system is connected with the processor system by communication to drive the scanning device to move, the position adjustment of the mechanical arm and the performing of the puncture action according to the position of the blood vessel. The blood collection instrument improves the accuracy of blood collection puncture. At the same time, the blood collection process can be carried out automatically, which reduces the work intensity of hospital nurses, saves human resources and improves the efficiency of blood collection.

The invention discloses an automatic replacement device for intravenous injection. The device can adapt to an intravenous injection operation needing to add medicine powder into liquid medicine, the whole process is automatically completed, and convenience and quickness are achieved. A lead screw transmission mechanism is used as a driving source of the needle tube puncture action, and the puncture stroke can be accurately controlled. The lead screw transmission mechanism can provide more stable and larger puncture force. Meanwhile, an electromagnet and an iron block are used as clutch means,rotation of a motor is converted into puncture action of a needle tube through a swing rod driving mode, conversion of the action can be completed while the vertical size is reduced, the structure isingenious, the whole device can be flexibly and correspondingly arranged according to an infusion object, and the universality of the device is improved.

The invention provides blood cell analysis equipment and a puncture locking assembly thereof.The puncture locking assembly comprises a synchronous belt, a first clamping arm and a second clamping arm, and the synchronous belt is in a ring shape and comprises a first side belt part and a second side belt part which are oppositely arranged in parallel; the first clamping arm is fixed with the first sideband part so as to synchronously move with the first sideband part when the synchronous belt rotates; the second clamping arm is fixed with the second sideband part so as to synchronously move with the second sideband part when the synchronous belt rotates; when the synchronous belt rotates clockwise, the first clamping arm and the second clamping arm are far away from each other, and when the synchronous belt rotates anticlockwise, the first clamping arm and the second clamping arm are close to each other so as to clamp and centralize a test tube to be punctured and sampled. According to the blood cell analysis equipment and the puncture locking assembly thereof, the opening and closing actions of the first clamping arm and the second clamping arm are achieved through clockwise or anticlockwise rotation of the synchronous belt so as to clamp and straighten the test tube in the test tube holder, the structure is novel, use is convenient, and the reliability and stability of the puncture action can be improved.

The invention discloses a puncture assembly. The puncture assembly comprises a control handle and a puncture needle, wherein the control handle comprises a body part and a pushing part, the pushing part is mounted on the body part, and the pushing part can move on the body part in the first direction; the puncture needle comprises an extension part extending in the first direction and a needle point part used for puncturing biological tissue, and the extension part is fixedly connected to the pushing part; and when the control part moves on the body part, the control part can drive the puncture needle to move in the first direction so as to control the puncture needle to puncture out and withdraw. According to the puncture assembly provided by the invention, through the arrangement of the control handle, the pushing part on the control handle is moved, so that the puncture needle can be controlled to puncture out and withdraw, a user can conveniently control the puncture needle, the puncture action of the puncture needle is controlled by the pushing part, and the user can conveniently control puncture force.

The invention relates to a visual puncture needle system with a protection function. The visual puncture needle system comprises a puncture needle tube and a tube body used for human body puncture. The needle tube connecting piece is connected to the rear end of the puncture needle tube and used for being held by an operator; the image acquisition mechanism is detachably connected with the needle tube connecting piece; and the bouncing core mechanism is detachably connected with the needle tube connecting piece. Compared with the prior art, the device has the beneficial effects that the image acquisition mechanism and the bouncing core mechanism are matched at the same time; the bouncing core mechanism can ensure that an operator can timely know the puncture condition in the puncture process, and the puncture action can be timely stopped after the puncture is completed, so that other tissues are prevented from being accidentally injured; and the image acquisition mechanism can know the condition in the body of the patient in real time, so that the safety of the operation is improved through double assurance.

The invention discloses a supporting device for thoracic diagnosis puncture of a pneumothorax patient, and belongs to the technical field of medical instruments. The supporting device comprises a supporting seat; the top of the supporting seat is provided with a first penetrating port; and a puncture needle is inserted into the first penetrating port. According to the supporting device, under the mutual cooperation of the designed structures such as a first anti-slip film, contraction openings, a circular-truncated-cone-shaped threaded cylinder, a circular-truncated-cone-shaped threaded hole, a spherical body, a spherical sleeve, a pressing sheet, a driving gear, a driven gear, a first anti-slip sleeve, a second anti-slip sleeve and the like, the adjustable range of the angle is large, and the supporting device can adapt to different types of puncture operations; the precision of the thoracic surgery is effectively improved, the surgery effect is enhanced, the fine adjustment effect can be achieved, the precision of the puncture action of the puncture needle can be further improved, and the medical level of medical staff can be improved to a certain extent by improving the precision of the puncture action of the puncture needle; and secondary injury to a patient due to misoperation of medical staff can be effectively avoided.

The invention discloses a puncture auxiliary device for the nephrology department. The puncture auxiliary device comprises a suspension frame and a puncture mechanism, wherein the puncture mechanism is arranged on the suspension frame and comprises a needle clamp, a first driving mechanism, a carrier plate and a second driving mechanism; a needle clamp assembly is arranged on the carrier plate andis suitable for clamping a puncture needle; the first driving mechanism is arranged on the carrier plate and connected with the needle clamp assembly so as to drive the needle clamp assembly to movein the vertical direction; the carrier plate is installed on the second driving mechanism; and the second driving mechanism is installed on the suspension frame so as to drive the carrier plate to move in the vertical direction through the second driving mechanism. According to the puncture auxiliary device for the nephrology department, the puncture action is completed by the second driving mechanism and the first driving mechanism, the operation is more stable and reliable, the problems of more repeated puncture times and the like caused by unstable manual puncture are reduced, the punctureaction of rapid insertion and rapid extraction can be accurately simulated, and the puncture accuracy and success rate are improved.

The invention relates to the technical field of medical treatment, and discloses a medical appliance. The medical appliance comprises a puncture module, a 3D probe module and an execution module, wherein the puncture module is used for puncturing tissues; the 3D probe module comprises a probe case and an ultrasonic transducer rotationally arranged inside the probe case; the ultrasonic transducer is configured to scan the punctured tissues and form an ultrasonic image of the punctured tissues; the puncture module is arranged in a way capable of partially penetrating through the execution module; and the execution module can control the position, the direction and the depth of the puncture action of the puncture module according to an information image obtained by the 3D probe module. The medical appliance provided by the invention can adapt to organ deformation, and can accurately position a position to be treated of the prostate glands, so that the treatment precision is improved.

The invention relates to a micro adjustable automatic puncture device suitable for deep subcutaneous anesthesia puncture. The puncture device includes a protective shell module, a transmission drive module, an actuating mechanism module and a posture adjustment module; and the puncture device is provided with a puncture needle cooperating with the puncture device. The puncture device is divided into four modules, and through the collaboration of the four modules, automatic puncture functions can be successfully accomplished; the auxiliary device is simple in shape design and convenient in using and carrying; through the cooperation of a drive motor and drive capsules, each gear can drive friction wheels to rotate, so that a puncture needle can be controlled to automatically move downward,and puncture action can be realized; the puncture device overcomes the uncertainty and interference of artificial puncture, decreases the possibility of puncture failure due to muscle stress responsebrought by artificial puncture and simplifies the difficulty of operations; and the puncture device is significantly progressive, and has good practicality and creativity and wide market prospects andvalues.

The invention discloses a puncture abnormality detection method, a device, a puncture device and a computer storage medium. The puncture abnormality detection method comprises the following steps: acquiring motion data, a joint current and a puncture action force induction value of a mechanical arm in real time; fusing the joint current and the puncture action force induction value to obtain a puncture action force fusion value; based on a relationship between motion of the mechanical arm and puncture action force, performing calculating to obtain a puncture action force ideal value accordingto the motion data; and comparing the puncture action force fusion value with a puncture action force ideal value, and judging whether puncture abnormality occurs or not according to a comparison result. According to the method, the fusion value of the puncture acting force can be calculated in real time according to relevant parameters of the mechanical arm, and the fusion value is compared withthe ideal value of the puncture acting force under a motion condition of the current mechanical arm, so that whether a puncture abnormal condition occurs or not can be automatically and accurately judged, and accidental injury to a puncture object is prevented.

The invention relates to the field of a medical device, and particularly to an intravenous injection needle. The intravenous injection needle comprises a needle tube, a needle seat and a transfusion tube. The needle tube is fixed to the front end of the needle seat. The transfusion tube is connected with the back end of the needle seat. The side surface of the needle seat is provided with a fin. The intravenous injection needle is characterized in that the fin is provided with a sheet-shaped structure which is vertical to the axis of the needle tube, thereby forming a holding plate. Accordingto the intravenous injection needle, through arranging the sheet-shaped structure which is vertical to the axis of the needle tube for forming the holding plate, an in use, an operator can hold the intravenous injection needle through a thumb and an index finger for performing a puncture action, thereby according with ergonomics and realizing no easy fatigue.

A puncturing system with the automatic gap adjusting function comprises an operating table and a puncturing system installed on the end face of the operating table; the puncturing system comprises a horizontal puncturing system, a vertical puncturing system and a positioning device and further comprises a data collecting system, an MES system and a control system. During work, the MES system searches for data information corresponding to an information card in a database and transmits the data information to the control system to generate control signals, a motor, a horizontal air cylinder and a vertical air cylinder receive the control signals of the control system, and the horizontal puncturing system and the vertical puncturing system are controlled to execute puncturing actions. Manual gap adjustment is not needed, the gap can be adjusted automatically according to read information of the material information card, the working procedures are reduced, and machining accuracy is improved.

The invention relates to an image-guided interventional puncture system, the image-guided interventional puncture system comprises an image device, a control module and a surgical robot, the image device is used for obtaining image data of a surgical object; the surgical robot is used for executing surgical actions; the control module is integrated on the surgical robot and used for controlling the motion state of the surgical robot according to the motion state of the imaging equipment or controlling the motion state of the imaging equipment according to the motion state of the surgical robot. The motion state of the other end is controlled according to the motion state of one end of the imaging equipment and the surgical robot, the technical problem that unexpected relative motion possibly exists between the surgical robot and the CT imaging equipment is solved, and the safety of the CT imaging equipment for guiding the surgical robot to complete the puncture action is improved.

The invention provides a fat transplantation extraction mechanism applied to a face or a chest, and the mechanism comprises only one group of puncture needles, wherein the puncture needles are used for puncturing the skin of the face or the chest only once; a connecting mechanism which is connected with the puncture needle in a matched mode, wherein the connecting mechanism is used for injecting medicine and extracting fat for multiple times; and at least two sets of injectors, wherein the injectors are connected with the connecting mechanism, the first set of injectors are used for injecting expansion liquid, and the second set of injectors are used for extracting fat. The invention has the beneficial effects that the connecting mechanism arranged on the puncture needle can be effectively connected with multiple sets of syringes, when fat is extracted, multiple puncture actions can be reduced to one puncture action, pain of a patient can be effectively relieved, workers can conveniently operate the puncture needle, and the operation difficulty is lowered.

The microcolumn gel card puncturing device comprises a driving mechanism, a mounting plate, a gear assembly, a guide rail assembly and a puncturing mechanism, the driving mechanism comprises a first motor and a second motor, and output shafts of the first motor and the second motor penetrate through the mounting plate and the gear assembly correspondingly; comprising a first gear arranged on an output shaft of a first motor, a second gear arranged on an output shaft of a second motor, a guide rail assembly, a first guide rail, a second guide rail, a third guide rail, sliding blocks arranged on the guide rails in a sleeving mode, a puncturing mechanism, a first puncturing base, a second puncturing base and a third puncturing base, and the puncturing mechanism is fixedly connected with the sliding blocks on the guide rails. The puncture mechanism can move up and down along the guide rail, and a rack matched with the gear assembly is arranged on the side face of the puncture mechanism. The micro-column gel card puncture device can respectively complete puncture actions of three groups of samples of a nine-hole-site micro-column gel card, is high in puncture efficiency, high in accuracy, good in stability and small in occupied space, and well meets clinical detection requirements.

The invention discloses a capsule which comprises an outer skin, a support plate and an internal puncture needle, wherein a sealed accommodating space is limited in the outer skin; the support plate is arranged in the accommodating space and comprises a bottom plate for placing brewing raw materials and a moving column, the moving column extends upwards from the upper surface of the bottom plate, and a first circulating channel is arranged on the bottom plate; one part of the internal puncture needle is movably placed in the moving column, and the internal puncture needle is constructed to puncture the bottom wall of the outer skin by an internal puncture end when the internal puncture needle moves downwards. The capsule provided by the invention enables the puncture action to be realized more easily, and the internal puncture needle is arranged inside the capsule, so as to avoid the risk of puncturing a hand.