291 results about "Needle puncture" patented technology

The embodiment of the invention provides a detachable detection device and a needle assistor, the detection device is used for detecting blood glucose, the detection device comprises a detection assembly, a sensor assembly and a needling assembly, the detection assembly comprises a flat shell, the outer wall of the bottom of the flat shell is sunken inwards to form a containing cavity, the sensor assembly comprises a base and a probe, the base is provided with a second via hole, and the probe is arranged in the containing cavity. The base is detachably clamped in the containing cavity, part of the probe is located in the base, part of the probe extends out of the hole wall of the second through hole and extends towards the side away from the detection assembly, and when the base is located in the containing cavity, the probe is electrically connected with the detection circuit board. According to the embodiment of the invention, the detection assembly and the sensor assembly are mutually detachable and can be clamped, so that only the sensor assembly is sterilized instead of the detection assembly in the sterilization process, and the influence on the detection circuit board in the detection assembly in the electromagnetic wave or irradiation sterilization process can be avoided; the product yield of the detection device is improved.

The utility model discloses an analyte detection system, which comprises a mounting unit and an analyte detection device, an elastic pad is sleeved on an auxiliary needle at the contact position of the auxiliary needle and the analyte detection device, and when the auxiliary needle retracts, the elastic pad can press the wound caused by the auxiliary needle puncturing into the subcutaneous part. Blood is prevented from permeating into the analyte detection device and polluting the analyte detection device, so that the normal use of the analyte detection device is ensured.

The utility model provides an endoscope needle tube puncturing and suturing device. The endoscope needle tube puncturing and suturing device comprises a mounting shell, a needle tube assembly, a driving assembly and a suturing assembly. The control piece controls the driving piece to rotate relative to the mounting shell, and the driving piece drives the connecting piece to move relative to the mounting shell, so that the connecting piece drives the arc-shaped puncture needle tube to rotate relative to the mounting shell. The control piece directly drives the arc-shaped puncture needle tube to be opposite to the mounting shell through matching of the driving piece and the connecting piece. The influence of the length of the needle tube assembly and the elastic tube, the stress bending of the elastic tube and the friction between the needle tube assembly and the mounting shell on the puncture force borne by the arc-shaped puncture needle tube is small, that is, the acting force of the control piece is effectively converted into the puncture force of the arc-shaped puncture needle tube through the matching of the driving piece and the connecting piece; and the arc-shaped puncture needle tube has enough puncture force, so that the arc-shaped puncture needle tube can quickly penetrate through human tissues, and the suture efficiency and implementation reliability of the product are improved.

The application relates to an electroencephalogram monitoring sensor with intradermal needles, comprising an electroencephalogram monitoring sensor body with a plurality of electrode pieces, one or more of the electrode pieces being provided with an intradermal needle, the intradermal needle being fixed to the middle part of the inner side or the outer side of the electrode piece and being electrically connected with the electrode piece; when the electroencephalogram monitoring sensor body is pasted on the forehead of a patient, the intradermal needle penetrates into the subcutaneous tissue; the electroencephalogram monitoring sensor with the intradermal needles can acquire electroencephalogram biological signals in a more direct mode, can better avoid the problem of poor adhesion when the electroencephalogram monitoring sensor is pasted on the forehead of a patient, and has certain application prospect.

The invention relates to an inclined tip flexible needle puncture device capable of adjusting a needle entering angle based on worm and gear transmission, which belongs to the field of medical instruments and comprises a position adjusting mechanism, a feeding mechanism, a hexagonal supporting mechanism, a front posture adjusting mechanism and an inclined tip flexible needle. Before puncture, the multi-angle inclined tip flexible needle can be adjusted to puncture a needle entering point, so that multiple positions can be punctured; in the puncture process, the inclined tip flexible needle is supported by adopting the hexagonal supporting mechanism, and the needle shaft of the inclined tip flexible needle can be effectively prevented from buckling deformation in the puncture process; wherein the first motor and the second motor move in a combined mode to adjust the puncture position of the inclined tip flexible needle, the third motor controls needle inserting and needle withdrawing of the puncture device, the fourth motor controls rotation of the inclined tip flexible needle, and the fifth motor and the sixth motor move in a combined mode to achieve adjustment of the needle inserting angle of the inclined tip flexible needle. The posture of the needle tip is easier to adjust to complete puncture of a target spot, and the stability, accuracy and safety of puncture are further improved.

The invention relates to the field of in-vivo temperature measurement, in particular to a needling type internal organ temperature detection shell and device, which comprises a cylinder body, a needle head and a reading instrument positioned on the cylinder body, the needle head is connected to the bottom end of the cylinder body, a screw hole communicated with the needle head is formed in the bottom of the cylinder body, and a vertical cavity is formed in the cylinder body; a pressing piece is slidably connected to the cylinder. According to the scheme, the problem that the temperature of internal organs in the body cannot be measured at present is solved.

The invention relates to the technical field of medical care, and discloses a chemotherapy nursing device for medical oncology, comprising: an infusion seat for infusion; the lower annular plate is arranged at the top of the infusion seat; the upper ring plate is arranged at the top of the lower ring plate; the diaphragm is arranged in the upper annular plate; the inner sealing piece is arranged on the inner side of the lower annular plate and used for connecting the lower annular plate with the inner wall of the upper annular plate; and the outer sealing piece is arranged on the outer side of the lower annular plate. Positioning of the upper annular plate by a positioning assembly is omitted, so that the position of the upper annular plate can be adjusted, the position of the diaphragm can be adjusted, the central needle inserting position of the diaphragm can avoid a disease skin area, normal needle inserting can be guaranteed, the upper annular plate is heated through a heating ring, and the needle inserting efficiency is improved. And heat is transferred to the skin, so that the skin cannot be tightened due to coldness, and the upper ring plate can be easily pushed subsequently.

1. Name of the product in this design: Sterile Round Needle. 2. Purpose of this design: Sterile round needle for acupuncture treatment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of medical simulation, in particular to an ablation needle puncture training auxiliary system, and aims to solve the problems of insufficient tactile feedback and low fineness when an existing ablation needle puncture training system simulates a needle tip to penetrate through multiple layers of biological tissues so as to improve the'needle feeling 'cognition and fine operation skills of doctors. The system is characterized by comprising a physical interaction module, a virtual simulation module, a central processing module and a visual presentation module, a high-fidelity virtual tissue model is constructed, real-time multi-mode tactile feedback is combined, and an accurate needle-tissue interaction mechanical simulation and multi-dimensional tactile rendering algorithm is adopted. By the adoption of the technical scheme, the problem of a touch gap is effectively solved, the authenticity and effectiveness of simulation training are improved, and the precision and safety of clinical puncture operation are remarkably improved.

The invention discloses a plasma-treated grain refinement surface energy self-power-generation acupuncture needle which is composed of a needle handle and a needle body needle point. The surface of a needle point of a stainless steel needle body of the acupuncture needle is processed into an acupuncture electrochemical acting surface with grain refinement surface energy through plasma. The traditional prejudice is overcome, the acting surface of the needle point of the needle body is cleaned and activated under the action of plasma (formed vacancies, interstitial atoms, grain refinement, amorphization and the like), and meanwhile, the surface energy and the specific surface area of the acting surface of the acupuncture needle are increased; therefore, the electrochemical effect of acupuncture (oxidation-reduction reaction) self-power generation of the acupuncture needle is greatly improved.

The utility model relates to the technical field of medical instruments, and discloses an ultrasonic guiding device for indwelling needle puncture, which comprises an ultrasonic probe, one side of the outer wall of the ultrasonic probe is fixedly connected with an object placing plate, the inside of the object placing plate is rotatably connected with a first rotating shaft, one end of the first rotating shaft is fixedly connected with a clamp, and the other end of the first rotating shaft is fixedly connected with a second rotating shaft. A remaining needle is arranged on one side of the outer wall of the clamp, a first threaded rod is rotationally connected to the interior of the first rotating shaft, a hand wheel is fixedly connected to one end of the first threaded rod, a reset assembly is arranged in the first rotating shaft, and a fixing assembly is arranged on the outer wall of the first threaded rod and used for fixing the first rotating shaft after rotation. According to the utility model, the operation is simple and convenient, the puncture angle can be ensured to be accurate and controllable, the accuracy in the puncture process is improved, the risk caused by improper angle adjustment is avoided, and the success rate of puncture and the safety of a patient are further improved.

The utility model relates to a needling machine technical field especially, more particularly to a needle -pricking machine of convenient loading and unloading needle, its technical scheme includes base, waste groove, fender and electric telescopic handle, the top front of base is fixedly installed with second side plate, and the top back of base is fixedly installed with first side plate, the top of first side plate and second side plate is fixedly installed with top plate, the top of base is fixedly installed with waste groove, the left side and the right side of base are fixedly installed with fender, the utility model discloses the inside installation of magnet in the protective curtain, through the mutual exertion of magnetic force between magnet and magnetite, make protective curtain close or far from the movement of mounting bracket, further make protective curtain swing frequently on the side of mounting bracket, and contact with the cloth surface transmission of driving roll, make cloth before needle -pricking processing and after needle -pricking processing, can remove the residue attached to cloth surface to guarantee the quality of device for cloth needle -pricking processing.

The utility model discloses an acupuncture mechanism and radiopharmaceutical subpackaging equipment comprising the same. The needling mechanism comprises a sliding shaft, an operating handle sliding up and down along the sliding shaft and a needle frame base plate, the sliding shaft is further sleeved with an elastic piece, the upper end of the elastic piece is connected with the operating handle, the lower end of the elastic piece is connected with the needle frame base plate, and a first buckle used for fixing an extraction needle is arranged on the needle frame base plate. The extraction needle moves up and down along with the needle frame base plate under the action of the operating handle, so that a soft bottle plug of a medicine bottle can be punctured. The operation handle and the needle frame base plate are arranged on the sliding shaft, the elastic piece is arranged between the operation handle and the needle frame base plate, buffering can be ingeniously provided for the extraction needle to pierce a soft bottle plug of a medicine bottle, buffering can also be provided when the extraction needle makes contact with the bottom of the medicine bottle, and bending of the extraction needle and damage to the bottom of the medicine bottle are avoided; the liquid medicine in the medicine bottle can be completely extracted to the maximum extent, the extraction requirement is met, radiation residues are reduced, and harm to operators is reduced.

This invention discloses a needlestick-proof syringe, comprising a syringe barrel, a needle hub, a piston head, and a needle. The syringe barrel has a liquid reservoir, and a connecting structure detachably connects the syringe barrel and the needle hub. The needle hub has a liquid outlet chamber, which connects to an opening on the top wall of the needle hub for the needle to pass through. A needle disc is coaxially connected to the end of the needle, and the needle disc is movably disposed in the liquid outlet chamber. The liquid outlet chamber has a limiting structure for restricting the sliding of the needle disc along the needle hub axis when the needle disc is not axially rotating. The piston head has an unlocking structure for driving the needle disc to rotate axially to release the limiting structure from restricting the needle disc. The liquid outlet chamber has a loading structure for applying a force towards the liquid reservoir to the needle disc when the limiting structure releases its restriction on the needle disc. This invention solves the problem of needlestick injuries that occur when medical personnel manually remove the needle after injection, which is common in traditional syringes.

The utility model belongs to the technical field of medical instruments, and particularly discloses an acupuncture needle convenient to retain, which comprises a needle body, the needle body extends along the vertical direction, a universal bearing is mounted at the top of the needle body, a soft needle handle is mounted at the free end of the universal bearing, and the needle handle is fixed to the needle body according to the angle of the needle body relative to an acupuncture position. When the free end of the universal bearing is connected with the soft needle handle, the soft needle handle can be folded at any angle relative to the vertical direction, so that one surface of the soft needle handle can be in surface contact with the skin around the acupuncture part, namely, the soft needle handle is flatly attached to the skin around the acupuncture part, and the width of the soft needle handle is larger than that of the needle body; the soft needle handle is prevented from entering the skin along with the needle body. The universal bearing is adopted to connect the soft leaf handle and the needle body, so that the soft leaf handle is folded relative to the needle body under the assistance of the universal bearing, and the skin around the acupuncture part can be covered with clothes for keeping warm, or cupping or suspended moxibustion at will without being influenced by the needle handle.

The utility model discloses a biopsy puncture device, and belongs to the technical field of medical instruments.In the biopsy puncture device, a limiting piece is arranged on a second component, and the limiting piece is used for limiting a first component, so that the first component can drive the second component to move towards a third component; the guide pipe is connected with the second component, so that the guide pipe can move along with the second component; the puncture needle can be connected with the first component, so that the first component drives the puncture needle to move when moving, the catheter can be driven to penetrate through the tissue together when the puncture needle punctures, the puncture needle can be withdrawn, the catheter is left in the tissue for subsequent operative treatment, and damage to the tissue in an operation is reduced.

The utility model relates to an anti-needling injector which comprises a needle head, a needle cylinder, a needle sleeve and a fixing mechanism. The needle is arranged at the end of the needle cylinder. A through hole is formed in the lower end surface of the needle sleeve; the size of the through hole is larger than the maximum outer diameter of the needle; the needle sleeve is connected with the needle cylinder through a fixing mechanism; by changing the relative position of the needle sleeve and the needle cylinder, the needle head can penetrate through the through hole and is exposed in the working environment; or the needle head can be hidden in the needle sleeve. The rectangular hole of the needle sleeve penetrates through the side wing of the needle head and then is fixedly installed on the needle cylinder through the fixing mechanism and the needle sleeve, the needle head can be completely exposed, and a worker can conveniently and normally use the syringe. The needle sleeve is screwed or rotated, the needle sleeve is fixedly installed on the needle cylinder through the fixing mechanism, the needle head can be completely hidden in the needle sleeve, and when the needle head is in a discarded state, the needle head can be prevented from stabbing a worker; and in a needle preparation state, the needle preparation device can be used for needle preparation operation preparation of workers.

Provided is an acupuncture pain relief device, which comprises at least one conductive acupuncture needle and at least one capacitor; and the conductive acupuncture needle is conductively connected with the capacitor, so that free electrons can flow through the conductive acupuncture needle and be stored in the capacitor. This acupuncture pain relief device utilizes the characteristic that the capacitance of the capacitor is much larger than that of the human body of the acupuncturest, greatly improving the acupuncture analgesic effect; it uses the capacitance of the capacitor to replace the capacitance of the human body of the acupuncturest, greatly reducing the workload of the acupuncturest. Since this new acupuncture pain relief device can be inserted into the patient's acupoints for pain relief without time limitation, it can be used not only in hospital operations but also widely applied to alleviate the pain of patients, and has great market potential.

The present invention belongs to the technical field of angle locators for ablation biopsy needles. Disclosed is an angle locator for ablation biopsy needle puncture under CT guidance. During movement, a main gear at the outer end of a rotating rod drives a first driven gear and a second driven gear to perform linkage, so as to drive a right-hand threaded screw and a left-hand threaded screw to rotate; then during rotation, the right-hand threaded screw and the left-hand threaded screw push an abutting pad to extend outward for fixation, thereby realizing the fixation function during movement, and achieving a double-linkage function. The abutting pad also can be manually rotated to move outward and inward. By using an inner angle scanning member in cooperation with angle marking holes, the rotation angle of a biopsy needle angle adjustment member can be measured during rotation, thereby improving the rotation accuracy and also allowing quick focusing. Moreover, an alignment laser is used in cooperation with a biopsy needle placement slot, so that by correspondingly aligning the focus point of the alignment laser and the focus points of a fixed laser and a rotating laser, the function of independently adjusting a biopsy needle can be realized.

The present application relates to the technical fields of intravenous indwelling needle, especially to the positive pressure type intravenous indwelling needle assembly, comprising a needle structure, an indwelling hose is connected to one side of the needle structure, characterized in that: a first anti-reflux pre-pressing unit is connected to the liquid inlet end of the indwelling hose, one side of the first anti-reflux pre-pressing unit is connected to an infusion connection unit, the infusion connection unit is connected to the infusion tube of an external infusion device and delivers the liquid medicine into the human body through the indwelling hose, a second anti-reflux spinning unit is installed at the rear end of the needle structure, and a third tube sealing anti-reflux unit is installed on the indwelling hose. The positive pressure type intravenous indwelling needle assembly adopts the anti-reflux mode of positive pressure to effectively prevent the blood from flowing back to the inside of the needle structure and the indwelling hose by using the positive pressure after the infusion tube is pulled out, effectively reduces the thrombosis problem caused by blood reflux, and is safer and more reliable in use.

This invention relates to the field of tea withering technology, specifically to a withering machine equipped with a syringe piercing module. The machine comprises a belt conveyor, a syringe assembly, and a driver. The syringe assembly includes a cylinder rotatably mounted on a frame and several needle-piercing components. The belt conveyor is positioned below the syringe assembly, with a transport gap formed between the conveying surface of the belt conveyor and the outer circumferential surface of the cylinder for the tea leaves to pass through. The radial extension length of the needle-piercing components is less than the radial height of the transport gap. The driver is used to drive the syringe assembly to rotate around its own axis. This invention transforms the traditional intermittent reciprocating lifting and lowering piercing action into a continuous rotating piercing action of the needle-piercing components as the cylinder rolls. When the needle-piercing components rotate to the bottom and enter the transport gap, their direction of movement coincides with the movement direction of the belt conveyor's conveying surface, thereby enabling uninterrupted mechanical piercing of continuously passing tea leaves, achieving continuous operation and significantly improving tea withering efficiency.

The invention discloses a vagina contracting rod for recovery of pelvic muscle relaxation in the gynecology department, and belongs to the technical field of medical instruments, the vagina contracting rod comprises a rod body and a liquid injection head mounted at one end of the rod body, a plurality of groups of groove bodies are formed in the rod body and are linearly distributed at equal intervals, and a medicine storage mechanism and an acupuncture mechanism are arranged in each groove body; the medicine storage mechanism comprises a medicine storage bag and a connecting groove, the medicine storage bag is arranged in the groove body, the connecting groove is formed in the side, close to the liquid injection head, of the groove body, the medicine storage bag is located between the connecting groove and the needling mechanism, and a needling head of the needling mechanism is arranged opposite to the connecting groove. Through the linkage design of the locking mechanism and the supporting mechanism, sequential release of the multiple medicine storage mechanisms is achieved, the requirement for repeated and continuous medicine administration in the treatment process is met, frequent medicine replacement or repeated injection is avoided, the medicine administration process can be automatically completed through unlocking operation of the locking mechanism, external auxiliary equipment is not needed, and the operation is convenient. The patient can conveniently use the device at home.

The invention discloses a head subcutaneous effusion drainage device which comprises a drainage needle (10) and a drainage tube (20). Wherein the drainage needle comprises a hollow flexible needle body (14) and a connecting device (12) located at one end of the flexible needle body, the connecting device is provided with a connecting cavity (13) communicated with an inner cavity of the needle body, and the connecting device is further provided with a separating film (15) for sealing the connecting cavity; a mounting part (22) is arranged at one end of the drainage tube, the mounting part comprises a mounting cavity (23) and a connecting needle (24) extending out of the mounting cavity, and a connecting port (25) communicated with the interior of the drainage tube is formed in the side wall of the connecting needle; wherein the connecting device can be in threaded connection with the mounting part, so that the connecting cavity and the mounting cavity form a closed drainage cabin, and the connecting device can drive the connecting needle to pierce the separation membrane. By means of the design mode, the sealing performance of connection between the drainage needle and the drainage tube is guaranteed, effusion is prevented from leaking out, meanwhile, effusion backflow is prevented, and the risk that the head of a patient is infected is reduced.

1. Name of the product in this design: Double-layer anti-needle-piercing needle assembly equipment. 2. Purpose of this design: For the production of medical devices that prevent needle puncture. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of microneedle transdermal drug delivery, in particular to a puncture depth self-adaptive microneedle system. The microneedle system comprises a microneedle array used for puncturing skin, providing a sampling point for detecting skin impedance at a skin layer touched by a needle tip of the microneedle array, and releasing drugs; the detection unit is connected with the microneedle array and is configured to acquire skin impedance at the sampling point in a short pulse mode and output a control signal when it is judged that the needle tip of the microneedle array penetrates through the cuticle according to the skin impedance; the execution unit is respectively connected with the microneedle array and the detection unit and is configured to receive a control signal from the detection unit to stop the microneedle array from continuously puncturing into the skin after the detection unit judges the penetration, so that the penetration depth of the microneedle can be actively limited based on the electrical characteristic change of the skin in the penetration process of the microneedle; the problem of skin individual difference is effectively solved, and the active recognition capability and the automatic adjustment capability of the real-time penetration state are achieved.

The invention relates to the field of medical beauty devices, in particular to a needle-length-adjustable vacuum pump type seal microneedle which is characterized in that a vacuum pump assembly is arranged, bioactive liquid such as essence is stored, the liquid is directly conveyed to a needle wire through the negative pressure effect, and when the needle wire punctures the skin, the liquid can be directly guided into the subcutaneous part along the needle wire; and the trouble of step-by-step operation of firstly smearing liquid and then rolling the needle in the prior art is avoided. By arranging the adjusting assembly, a user is allowed to change the length of the needle wire extending out of the needle cover by rotating the adjusting knob, so that stepless adjustment of the needle length is realized. The necessity of purchasing a plurality of microneedle devices with fixed needle lengths is eliminated, and a user can quickly adjust the needle lengths according to different treatment parts such as the face and the body or different skin conditions. The problems that according to an existing micro-needle, the functions of micro-needle piercing and liquid leading-in of bioactive substances and the like are separated, and due to the fixed structure, switching of micro-needles of different specifications is not flexible, and the use cost is high are solved.

This invention discloses a self-puncturing, isolated sterilization process verification device and method for infection control sterilization, relating to the field of sterilization technology. This invention protects sterilization indicators from external air and humidity. Before sterilization, residual sterilization media does not interact with the sterilization indicators prematurely. Only when the sterilization program is initiated does the corrugated telescopic tube axially extend under vacuum, pushing a puncture needle to puncture the easily peelable membrane at the opening of the loading tube containing the sterilization indicators, allowing the sterilization media to smoothly enter the loading tube. At this point, the diffusion stage of the sterilization process begins, and the exposed sterilization indicators start to contact the injected sterilization media, allowing for monitoring of the sterilization effect. This invention improves the accuracy of sterilization monitoring results and avoids the influence of external air humidity, oxygen, residual sterilization media, and other factors on the sterilization monitoring results.

This invention discloses a robotic multi-needle puncture trajectory planning method for prostate cancer. By acquiring two-dimensional ultrasound images and spatial positioning data of the prostate, the coordinates of three-dimensional feature points of obstacles such as blood vessels and the pubic bone are obtained. The tumor contour is extracted using a combination of manual delineation and an improved target detection algorithm to complete three-dimensional reconstruction of the prostate and tumor, as well as implicit function modeling of obstacles, constructing a personalized three-dimensional surgical environment. This method employs a progressive planning strategy, solving for a collision-free reachable workspace for each needle, optimizing the needle insertion trajectory with the shortest path and minimal trauma as objectives, and establishing a tissue deformation compensation model to correct target point offset. Simultaneously, the implanted puncture needles are used as dynamic obstacle iterative update constraints to achieve cyclical optimization of the multi-needle trajectory. Finally, a six-degree-of-freedom robotic arm equipped with a needle guide device completes precise positioning and puncture assistance, achieving orderly, collision-free multi-needle implantation. This invention effectively improves puncture positioning accuracy and surgical safety, reduces manual intervention, and provides an automated, high-precision trajectory planning solution for prostate particle implantation.

The application discloses a safe indwelling needle for dialysis, which comprises an indwelling component, a puncture component, an anti-backflow device, a flow-stopping clamp and a needle-sticking prevention device; the indwelling component comprises a catheter, a catheter seat, an extension tube and an infusion interface; the puncture component comprises a puncture needle and a needle seat, the rear end of the puncture needle is fixedly connected with the needle seat, and the puncture needle is slidably connected with the inside of the anti-backflow device, the needle-sticking prevention device and the indwelling component; the front end of the anti-backflow device is connected with the infusion interface of the indwelling component, and the rear end is provided with an open end and connected with the needle-sticking prevention device; the needle-sticking prevention device penetrates the puncture needle, the front end is matched with the rear open end of the anti-backflow device, and the rear end is matched with the needle seat; when the puncture is successful and the puncture needle is retreated to the position of the needle-sticking prevention device, the needle head is limited in the needle-sticking prevention device; the flow-stopping clamp is used for temporarily compressing the extension tube after puncture. The application is safe and convenient to use, guarantees the treatment effect of blood dialysis, and reduces the risk of blood-borne diseases of medical staff.