1330 results about "Needle puncture" patented technology

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

To provide a needle that avoids needlestick injuries by not containing stainless steel but having a rigid needle body.SOLUTION: A needle (1) comprises a cylindrical body (10) extending along a longitudinal axis. At least one end (100) of the cylindrical body (10) is beveled. The body (10) is formed at least from a polymer. The needle (1) comprises at least one reinforcing thread (101) adapted to stiffen the body (10). The reinforcing thread (101) is formed at least from a shape memory material.SELECTED DRAWING: Figure 1

The invention discloses an accurate acupuncture positioning method under ultrasonic guidance, which relates to the technical field of medical health and comprises the following steps: acquiring a two-dimensional or three-dimensional ultrasonic image of a target area by utilizing ultrasonic image acquisition equipment; the Young modulus of the target area is calculated by measuring the shear wave propagation speed of the tissue of the target area; a sensor module is adopted to monitor the interaction force between the puncture needle and the tissue in real time, and mechanical data are obtained; according to Young modulus and modulus variance obtained through calculation of the shear wave elastography image and mechanical data fed back by a sensor, a time sequence feature vector is constructed; performing dynamic modeling and prediction on the tissue state in the puncture process by using a long-short-term memory neural network; the path offset of the needle head is judged, a correction signal is generated through a PID controller, and the posture or direction of the needle head is adjusted in real time; the problem of artifacts in a traditional ultrasonic image can be solved, more accurate acupuncture path planning is provided, and the method adapts to the change of tissue elasticity in real time.

The invention relates to the technical field of medical teaching aids, and provides an acupoint acupuncture manipulation auxiliary training system special for bone fracture rehabilitation, which comprises the following steps: acquiring acupuncture depths and change angles of a plurality of detection time periods under multiple acupuncture; analyzing the variation difference relationship of the acupuncture depths of adjacent detection time periods, and dividing a plurality of segmentation time periods; based on the variation trend and the variation amplitude of the acupuncture depth in each segmentation time period, quantifying the force application unbalance degree of each acupuncture; analyzing the change relation of the change angle along with the change of the detection time period when the needle is inserted and after the needle is stopped in the needling process, and determining the out-of-control degree of the angle of each needling; in combination with the force application unbalance degree and the needling depth change difference between needle insertion starting and needle insertion stopping in the needling process, the mold deformation degree of each time of needling is obtained; and the suggested needle application depth of subsequent needling is determined, and auxiliary prompting is carried out. The invention aims to solve the problem that the non-uniform mold material affects the judgment of the uniformity of needle applying force by students.

The inhaler comprises a shell provided with a suction nozzle, a containing piece provided with a capsule bin and a pricking needle connected with the containing piece in a sliding mode, the pricking needle is further connected with the containing piece through an elastic piece, and the pricking needle is provided with a matching part and a pricking end; a working part is arranged in the shell, the containing piece can enter and exit from the shell in the first direction, the working part and / or the matching part are / is provided with a working face, and the working face has the extending direction gradually approaching the movement path of the capsule bin in the direction of entering the shell in the first direction; when the containing piece enters the shell and the matching part passes through the working part, the matching part abuts against the working part through the working face and generates displacement close to the capsule bin, the puncturing end executes the puncturing action, and the elastic piece elastically deforms. In the process that the matching part leaves the working part, the matching part can generate displacement far away from the movement path of the capsule bin under the elastic force effect of the elastic piece, the puncturing end executes reset action, and when the capsule is filled, puncturing operation can be conducted on the capsule, and convenience is achieved.

The present invention is applicable to the field of battery safety testing, and discloses a battery pack puncture test device, including a test platform, a puncture needle module and a clamping assembly. The battery pack is placed on the test platform, a first installation area is arranged on the left side and / or the right side of the test platform, a second installation area is arranged on the front side and / or the rear side, a third installation area is arranged on the top, and a fourth installation area is arranged on the bottom. The puncture needle module is installed on any one of the first installation area, the second installation area, the third installation area and the fourth installation area, and the puncture needle module is detachably connected to the test platform. The puncture needle module is used to puncture the battery pack, and the clamping assembly is installed on the test platform to clamp the battery pack; the user can install the puncture needle module in the corresponding installation area according to the puncture position of different types of battery packs, thereby reducing production costs and improving economic benefits.

The invention relates to the technical field of pen-type injection devices, in particular to a self-driven automatic injection device which comprises a shell, a medicine bottle support, a driving device and a control device. A needle puncture-proof protection assembly is arranged on the lower portion in the shell, the needle puncture-proof protection assembly comprises a needle hiding sleeve, and the needle puncture-proof protection assembly is configured in the mode that in the injection process or after injection is completed and the needle hiding sleeve is pulled out, the needle hiding sleeve can be locked, and then injection cannot be continued; an energy storage locking assembly is arranged on the upper portion of the interior of the shell and is configured in the mode that before injection, the driving rod is locked by the needle hiding sleeve, when one end of the needle hiding sleeve is stressed to move towards the driving rod, the driving rod is unlocked, the torsional spring provides driving force to enable the driving rod to drive the push rod to move towards the medicine bottle, and injection is achieved. Stable and reliable injection power can be provided, and injection can be rapidly achieved; in addition, the needle hiding sleeve can be locked no matter the needle hiding sleeve is pulled out during injection or after injection is completed, so that the needle hiding sleeve does not retract inwards, secondary injection is prevented, and safety and reliability are achieved.

The present application relates to the technical field of battery puncture test, and specifically discloses a vehicle bottom puncture device, including a bottom plate and a ground rail, a roller is provided at the bottom of the bottom plate, the roller is located in the ground rail, a slide rail is provided on the bottom plate, the slide rail is vertically arranged with the ground rail, a mounting plate is slidably connected to the slide rail, a clamping assembly and a first cylinder for driving the clamping assembly are provided on the mounting plate, a plug bolt is threadedly connected to the bottom plate, a first spring is sleeved on the plug bolt, a top plate is slidably connected to the plug bolt, one end of the first spring is connected to the top plate, and the other end of the first spring is connected to the plug bolt, a first electromagnet is provided between the bottom plate and the ground rail, a guide column is connected to the first electromagnet, and one end of the guide column passes through the bottom plate and is connected to the top plate. The present application has the effect of taking into account both the test accuracy and responsiveness of the puncture test.

The invention provides an injection pen special for preventing acupuncture injury of insulin, and relates to the technical field of medical instruments, the injection pen comprises an injection pen body, the outer circumference of the injection pen body is provided with a metering observation window, the rear end face of the injection pen body is provided with an injection push key, and the front end face of the injection pen body is provided with a piston rod. The injection needle is sleeved with the inner needle cap and the outer needle cap, multiple protections are formed, it is ensured that the injection needle is properly protected in the transportation, storage and use processes, the probability of pricking injury is greatly reduced, the rubber column is fixedly installed at the front end of the outer needle cap, for old people with poor eyesight, a needle head can be inserted into the rubber column, and the rubber column is fixedly installed at the front end of the outer needle cap. The needle head can be hidden, and the problems that old people with poor eyesight are difficult to read metering scales, and a replaced injection needle is prone to hurting a user and other people are solved.

An apparatus and method for a stepped needle for an intraosseous device that uses the outer surface of the bone cortex as a reference point. Since the thickness of the bone cortex does not vary significantly between patients, the accuracy of needle placement can be improved. The device includes a needle with a stepped increase in outer diameter disposed along the needle shaft. The abrupt change in outer diameter provides a substantial increase in insertion force. The stepped increase prevents any further insertion into the bone cortex. Embodiments can include a tapered needle lumen for medullary access confirmation and an overtube that is rotatably and slidably engaged to protect surrounding tissues and prevent needle stick injuries. Further, a needle hub can be rotatable or slidable, and can transition an overtube to an extended position to prevent accidental needle stick injuries.

The invention discloses an auxiliary device for preventing an injector from needling. The auxiliary device aims to solve the problems that an existing passive protection device is prone to being started by mistake, a push rod is prone to inclining, protection is not achieved after injection, and adaptability is poor. The device comprises an outer shell, a compression spring, an inner shell, a disposable prefilled syringe and a push rod. The shell is an external support and is provided with a guide bone position, an elastic step, a guide channel, an elastic buckle and the like; the inner shell is assembled in the outer shell, bears the injector and is connected with the compression spring; the push rod is in threaded connection with the syringe piston, and the actuating rod is inserted into the shell guide channel. The device realizes single-hand operation and automatic protection, does not need an additional activation step, is adaptive to a medicine production process, effectively reduces the risk of pricking injury, and avoids waste of liquid medicine. And the clinical use safety and the operation convenience are improved.

The present application relates to the technical field of battery puncture test, and specifically discloses a vehicle puncture detection system, including a water pool, a submerged frame and a driving assembly for driving the submerged frame to rise and fall, the submerged frame including a submerged part and a moving part, the moving part is located on both sides of the submerged part, the submerged part is located in the water pool, a puncture device is detachably connected to the submerged part, a lifting frame is provided above the water pool, the lifting frame is located above the puncture device, a lift is provided on the periphery of the water pool, and the lift is used to drive the lifting frame to rise and fall. The present application has the effect of improving the defects of high cost and insufficient safety of the puncture test equipment.

The invention provides a powder suction device which comprises a dustproof cover, a suction nozzle, a button, a capsule bin, a capsule base and a lower cover. The buttons comprise a left button and a right button, air inlet holes are formed in the upper ends of the left button and the right button, a second hollow pricking needle is arranged on the inner side wall of the left button and communicated with the air inlet hole in the left button, and a third hollow pricking needle is arranged on the inner side wall of the right button and communicated with the air inlet hole in the right button. The third hollow pricking needle is communicated with an air inlet hole in the right button; the second hollow pricking needle and the third hollow pricking needle are not located on the same axis, a first hollow pricking needle communicated with the airflow channel is further arranged below the suction nozzle, a capsule is pricked through the first hollow pricking needle, the second hollow pricking needle and the third hollow pricking needle, and air enters the capsule through the air inlet hole; airflow surrounds the outer wall of the first hollow pricking needle to form spiral airflow, reaches the bottom of the capsule bin and then is blocked, and the airflow moves upwards to drive powder in the capsule to finally enter the human body from the inner wall of the first hollow pricking needle.

The invention provides an ultrasonic-guided out-of-plane positioning and guiding method, system and device, a medium and a program product, and relates to the field of intelligent medical treatment. The method comprises the steps that an ultrasonic image containing a to-be-punctured target C is obtained, and the distance between the to-be-punctured target C and skin A is measured according to the image; the projection point of the edge midpoint of the detection end of the narrow surface of the ultrasonic probe in the transverse axis direction of the ultrasonic probe is a point A; acquiring one half of the length of the narrow surface of the ultrasonic probe as AB; lines of the AB and the AC are perpendicular to each other; calculating a predicted puncture depth BC according to AB and AC; the line segment AD is equal to the line segment AC on the basis that the image extends to the point D in the reverse direction of the AC; making a line segment DE perpendicular to the line segment AD, wherein the length of the line segment DE is twice that of the line segment AB; the puncture needle punctures the target object to be punctured in the directions of the point E and the point B, and the puncture depth is the BC length. The method calculates the predicted needle insertion depth through the right triangle function principle, does not need to calculate the needle insertion angle, is simple and effective, and is high in success rate.

The invention discloses a puncture needle track prediction method, system and device and a medium. The method comprises the following steps: acquiring continuous photoacoustic imaging image data when a puncture needle punctures in tissue; processing the photoacoustic imaging image data, extracting a needle point position, and converting each frame of image data into a feature vector about the needle point position; a Transformer model is established, the input quantity of the model is the feature vector of past image data about the position of the needle tip and priori knowledge, and the output quantity of the model is the center coordinate of the needle tip of future image data and the insertion angle of the needle tip in the surrounding tissue. Through data enhancement and constraint injection, a pure data driven model can fuse physical laws and clinical experience, finally real-time and accurate prediction of the motion trail of the puncture needle is achieved, medical employees can be helped to more accurately control the path of the puncture needle in a complex operation environment, the misoperation risk is reduced, and the operation efficiency is improved. And the safety and the accuracy of medical puncture operation are obviously improved.

The embodiment of the invention provides a diabetic foot screening device, and relates to the field of foot inspection equipment. The diabetic foot screening device comprises a base, two detection plates, two needling assemblies and a driving mechanism, the interior of the base is hollow, the detection plates are symmetrically arranged on the upper surface of the base, a plurality of needle holes are formed in the detection plates, the needling assemblies are symmetrically arranged on the upper surface of the base, a plurality of needle holes are formed in the detection plates, and the needling assemblies are symmetrically arranged on the upper surface of the base. The two needling assemblies are installed in the inner cavity of the base respectively, the two needling assemblies correspond to the two detection plates in position respectively, and the driving mechanism is installed in the inner cavity of the base. During use, acupuncture detection can be sequentially performed on the feet of a user, a patient can clearly perceive the positions of the painful feet without changing the feet, and convenience and rapidness are achieved; meanwhile, step-by-step pressure application is facilitated, and the patient feels time; the pressure acupuncture depth can be visually observed, and acupuncture depth data when the patient perceives the pain sense can be rapidly obtained.

The invention relates to the technical field of intelligent recognition, and discloses an acupoint acupuncture guidance method and system based on a knowledge graph, and the method comprises the steps: obtaining a real-time three-dimensional coordinate of a target acupoint on a target object through employing a multi-mode positioning technology; the physical sign data and disease information of the target object are obtained, an improved random forest algorithm is used for correcting standard parameters in the acupoint knowledge graph, an acupuncture scheme is generated, the acupuncture device is controlled to select a target needling instrument from the storage bin based on the acupuncture scheme, and acupuncture operation is executed; monitoring needle tip pressure, needle inserting depth and angle deviation in real time; when parameter deviation or abnormal biological signals existing in the needle point pressure, the needle inserting depth and the angle deviation are detected, the actuating mechanism is guided and driven to conduct self-adaptive adjustment till the needling operation is completed. Through the implementation of the invention, the problem that the related technology cannot meet the requirements of modern acupuncture treatment with precision, standardization and safety is solved.

The application provides a prostate precise puncture system, comprising: an image acquisition module configured to acquire anus image data of a patient; an anus detection module configured to receive the anus image data to detect the anus position of the patient in real time based on the anus image data; the posture adjustment module is configured to control the mechanical arm to perform posture adjustment, so that the mechanical arm pushes the ultrasonic probe to pass through the anus position to obtain prostate ultrasonic image data; and the needle insertion correction module is configured to obtain a needle insertion puncture position based on the needle insertion parameters and transmit the needle insertion puncture position to the posture adjustment module, so that the posture adjustment module performs needle insertion puncture on the focus planning point of the prostate based on the needle insertion puncture position and the prostate ultrasonic image data. The difficulty of manually placing the probe and the posture of the mechanical arm in the prostate puncture operation is improved, the needle inserting position is corrected, the sampling precision is improved, anatomical structures such as the urethra and the pubis are avoided, and the occurrence rate of puncture related complications and the puncture failure rate are reduced.

The invention relates to an injection device, which belongs to the technical field of medical equipment and comprises a shell, an activation button is arranged on the upper surface of the shell, an adhesive tape liner is arranged on the lower surface of the shell, a needle puncture structure and a medicine infusion structure are arranged in the shell, and the adhesive tape liner is used for adhering the injection device to the body of a user. The activation button is used for driving the needle puncture structure to puncture the injection needle into the skin for subcutaneous infusion, the medicine infusion structure is used for storing medicine and driving the medicine to enter the injection needle, and the technical problems that in the prior art, the movement freedom degree of a patient is limited, the nursing workload of medical staff is increased, and the puncture risk exists can be solved.

The utility model discloses an automatic separating, bending and recycling device for an intravenous infusion apparatus needle head. The automatic separating, bending and recycling device comprises an intravenous infusion apparatus hose tensioning mechanism arranged in a shell and used for enabling a needle handle connected to a hose needle head to reach a designated position, and a needle head resin adhesive crushing mechanism used for crushing resin adhesive at the joint of the hose needle head and the needle handle; the needle head rolling and bending mechanism is used for pulling out the metal needle head from the needle handle with the crushed resin adhesive and rolling, bending and stripping the metal needle head; one side of the shell is provided with a venous infusion apparatus hose placing groove; and the venous infusion apparatus hose placing groove is arranged along the central line direction of the venous infusion apparatus hose tensioning mechanism and the needle resin adhesive crushing mechanism. According to the utility model, the plastic part and the metal needle head part of the vein infusion apparatus are automatically and thoroughly separated, the separated metal needle head is rolled, and then the hose plastic and the needle head are respectively recycled; the automation degree is high, and the problem that medical workers are punctured due to occupational exposure when the hose and the needle head are manually separated can be effectively solved.

The invention relates to an acupuncture test method and device, which can improve the acupuncture test performance. The method comprises the following steps: controlling a pricking needle to move towards the direction of pricking into a single battery; and under the condition that the voltage between the pricking needle and the first electrode terminal of the battery monomer exceeds the preset voltage, continuously controlling the pricking needle to prick into the preset depth.

The invention discloses a prostate ablation operation needle insertion position construction method and a navigation system, and the method employs a three-dimensional model constructed by an MRI image, and determines the position of a needle insertion point and the number of inserted needles according to the ratio of the longitudinal axis distance between cystamen and verufugu to the diameter of a cylinder of single ablation needle ablation. If the upper and lower diameters of the prostate lateral lobes of the horizontal section corresponding to a single needle insertion point are smaller than 4cm, one needle is inserted into the horizontal plane; if the upper diameter and the lower diameter are greater than or equal to 4cm, entering two stitches; if the maximum diameter of the prostate lateral lobe at a certain longitudinal axis position in the horizontal direction is larger than 1 cm, a needle inserting point is additionally added, and if the length of the part protruding to the middle lobe of the bladder is larger than 1 cm, the needle inserting point is additionally added. The needle inserting point is utilized to enter a surgical navigation system, and the operation is accurately carried out in a unified mode under the guidance of the navigation system. A good treatment effect can be achieved when the hot steam ablation needle is punctured into a hyperplastic prostate near the urethra through the needle insertion point for ablation, the needle insertion point is constructed on the coronal section to ensure the ablation range, and the surgical risk is reduced.

The present disclosure provides an interventional needle fixing device for tumor clinical treatment, including an interventional needle adjustment mechanism. The interventional needle adjustment mechanism includes a roll adjustment assembly, a pitch adjustment assembly, a rotating assembly and a needle tube assembly. In the present disclosure, by arranging the interventional needle adjustment mechanism, when facing tumor lesions in different positions, doctors make the needle tube assembly realize left or right roll adjustment in a horizontal direction through the roll adjustment assembly, thereby accurately aligning a target area. At the same time, the pitch adjustment assembly can control the needle tube assembly to pitch upward or downward in a vertical direction, thereby meeting the diversified requirements of interventional needle angles in various complex surgical scenes, and improving the flexibility and accuracy of interventional needle puncture.

Acupuncture needles may be used for piercing tissue with less trauma than may occur when employing larger gauge needles. However, because acupuncture needles are fabricated and packaged differently than are larger gauge needles, acupuncture needles may be less compatible with certain manufacturing processes. Needle assemblies compatible with manufacturing processes may comprise a continuous support material having a plurality of apertures defined therein, and a first injection molded coupler that surrounds a proximal portion of an acupuncture needle and connects the acupuncture needle to a first location upon the continuous support material, such that the acupuncture needle is held in a pre-determined orientation with respect to a longitudinal axis of the first injection molded coupler. The acupuncture needles in adjacent apertures may also be spaced apart substantially uniformly.

The invention relates to the technical field of puncture needle position guidance, in particular to a method for performing surgical puncture navigation by applying a virtual reality technology. The method comprises the following steps: creating a three-dimensional space model conforming to a real space and a three-dimensional model of a puncture needle; a plurality of points are marked on the puncture path of the puncture needle planned in advance, and the nearest line of the three-dimensional model of the puncture needle close to the puncture path of the puncture needle planned in advance is planned. According to the method, the three-dimensional space model and the real space of the operation are combined together, and the real world and the virtual world are combined, so that a doctor obtains the position of a puncture needle in the three-dimensional space model through MR glasses in the process of puncturing a patient through the puncture needle; when the position of the puncture needle deviates from the pre-planned puncture path of the puncture needle, a path for guiding the puncture needle to move is formed between the puncture needle and the pre-planned puncture path of the puncture needle, so that a doctor can quickly find the puncture position of the puncture needle according to the path.

The invention discloses an angle positioner for ablation biopsy needle puncture under CT guidance, and belongs to the technical field of ablation biopsy needle angle positions.In the moving process, a driving gear at the outer end of a rotating rod drives a first driven gear and a second driven gear to be linked, a right-hand thread screw and a left-hand thread screw are driven to rotate, and the right-hand thread screw is driven to rotate; the right-hand thread screw and the left-hand thread screw push the abutting pad to extend outwards to be fixed in the rotating process, the fixing function can be achieved in the moving process, the double-linkage function is achieved, the abutting pad can also be rotated manually to move outwards and inwards, and the fixing effect is achieved. An inner angle scanning piece and an angle identification groove are matched for use, the rotating angle is measured in the rotating process of a biopsy needle angle adjusting piece, focusing can be rapidly carried out while the rotating precision is improved, alignment laser and a biopsy needle containing groove are matched for use, the alignment laser is correspondingly connected with the focusing point of fixed laser and the focusing point of rotating laser, and the alignment precision is improved. The function that the biopsy needle can be independently adjusted is achieved.