1582 results about "Needle insertion" patented technology

A holographic augmented reality ultrasound needle guide system and method includes an augmented reality display such as a headset wearable by a user. The augmented reality display is configured to depict a virtual ultrasound image. The augmented reality display is further configured to allow a user to select a desired reference point on the virtual ultrasound image. The system is configured to depict a holographic needle guide based on the selection of the desired reference point. The system is also configured to adjust a trajectory of the holographic needle guide to avoid intersecting undesired anatomical structures. The augmented reality display is further configured to stamp the holographic needle guide into a selectively locked trajectory and position.

The invention belongs to the technical field of medical robots, and particularly relates to a mammary gland puncture surgical robot navigation system and device based on multi-modal image fusion. The multi-mode image data are registered and fused, high-precision three-dimensional reconstruction of the mammary gland tissue is achieved, more visual and accurate surgical navigation information is provided for doctors, the position of the puncture needle is tracked in real time, space registration is conducted on the puncture needle and the image data, and therefore the precision and safety of the surgery are improved, and the operation efficiency is improved. Meanwhile, puncture force feedback information of a puncture needle in the needle moving process is collected in real time, the implementation effectiveness of a puncture navigation path is evaluated, when it is found that the puncture path has risks, dynamic adjustment is conducted immediately, a new puncture path bypassing an obstacle area and reaching a focus is planned again, and the risk of the puncture path is avoided. And if the safe path cannot be obtained, the system automatically stops needle insertion and gives an acousto-optic early warning prompt, so that the surgical risk caused by manual misoperation in the traditional surgery is avoided.

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.

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.

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.

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.

A method of assembling an integrated catheter includes forming a catheter and inserting a needle into the catheter. Forming the catheter includes forming a first lumen extending from a proximal end to a distal end of the catheter, the first lumen terminating at a distal port in the distal end of the catheter. Forming the catheter further includes forming a first lumen side port positioned between the proximal end and the distal end of the catheter and a channel extending from the first lumen side port to the first lumen at an angle transverse to a first lumen longitudinal axis. Inserting the needle into the catheter includes inserting the needle through the first lumen side port, through the channel and through the first lumen until a tip of the needle extends beyond the distal port with a proximal end of the needle extending proximal of the first lumen side port.

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.

The invention discloses an intelligent auxiliary acupuncture system based on the AR technology, and the system comprises the following modules: a multi-modal sensing module which is used for collecting a multi-modal sensing data set containing the surface information of a patient; the visual SLAM guiding module is used for outputting a relative pose between the camera and the skin of the patient; the three-dimensional reconstruction module is used for generating a three-dimensional skin grid model; the candidate acupoint generation module is used for generating a candidate acupoint set under the condition that the density threshold value and the minimum spacing are met; the stable matching module is used for outputting a stable matching result set; the trajectory planning module is used for binding the needle insertion trajectory to the three-dimensional skin grid model to form a needle insertion guide set; and the augmented reality rendering module is used for carrying out real-time visual rendering on the virtual acupuncture point target and the needle inserting track through an augmented reality display terminal. The invention constructs an intelligent acupuncture guide system which is oriented to a real clinical scene and has a real-time correction capability and a medical significance interpretation capability.

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.

Rapidly insertable central catheters (“RICCs”), RICC assemblies, and methods thereof. A RICC can include a catheter tube, a suture wing disposed over a medial portion of the catheter tube, a hub coupled to a proximal portion of the catheter tube, and a number of extension legs extending from the hub. The catheter tube can include a first section in a distal portion of the catheter tube and a second section proximal of the first section. The suture wing can include a projection opposite a patient-facing side of the suture wing and a needle through hole through the projection. The needle through hole can be configured to accept a needle therethrough for insertion of the needle into a primary lumen of the catheter tube, which passes through a catheter-tube through hole through the suture wing.

The invention relates to the technical field of medical instruments, and particularly discloses a high-precision automatic vein blood sampling system and method, and the system comprises an optimal puncture blood vessel decision module which determines an optimal puncture blood vessel data set; the dynamic ultrasonic data acquisition module is used for guiding an ultrasonic probe on a mechanical arm to perform skin fitting ultrasonic imaging based on the optimal puncture blood vessel coordinate under the camera coordinate system to obtain dynamic ultrasonic data of the optimal puncture area; the ultrasonic blood vessel data acquisition module performs enhancement and ROI extraction on blood vessel signals in the dynamic ultrasonic data; an ultrasonic blood vessel data analysis module extracts all potential blood vessel form distribution data sets from the time sequence blood vessel ROI candidate set, and performs puncture optimization degree and credibility analysis on all the potential blood vessel form distribution data sets to determine a final needle insertion point and a final puncture angle; the vein blood sampling puncture control module is used for controlling a puncture needle to perform puncture blood sampling at a final puncture position at a final puncture angle; the device is used for realizing high-precision automatic control of vein blood sampling.

The invention provides a method, device and equipment for determining the needle insertion depth in a fundus needle insertion image and a medium, and the method comprises the steps: obtaining a target fundus needle insertion image, and determining a plurality of first key points of a surgical needle in the target fundus needle insertion image based on a FAST corner detection algorithm; determining a plurality of second feature points of the target fundus needle insertion image based on the plurality of first key points, a plurality of first feature points of the reference image and a feature point matching algorithm; based on the plurality of second feature points and the first feature points, carrying out perspective transformation on the plurality of second feature points to a plane where the reference image is located, and obtaining a plurality of third feature points of the target fundus needle insertion image after perspective transformation; and based on the plurality of third feature points and the first feature point, determining the needle insertion depth of the surgical needle in the target fundus needle insertion image. The fundus needle insertion images of different shooting visual angles are converted to the same shooting visual angle as the reference image, the proportion of image pixels to the actual distance is unified, and the accuracy of needle insertion depth measurement in the fundus needle insertion images is improved.

An insertion tool for inserting a catheter into a patient's body is disclosed. The insertion tool unifies needle insertion, guidewire advancement, and catheter insertion in a single device. In one embodiment, the insertion tool comprises a housing (54) in which at least a portion of the catheter (42) is initially disposed, a hollow needle (16) distally extending from the housing with at least a portion of the catheter pre-disposed over the needle, and a guidewire (22) pre-disposed within the needle. A guidewire advancement assembly (20) is also included for selectively advancing the guidewire distally past a distal end of the needle in preparation for distal advancement of the catheter. A catheter advancement assembly (140) is also included for selectively advancing the catheter into the patient. The catheter advancement assembly includes a mechanical advantage mechanism (1200) coupled between the slide of the insertion tool and the catheter.

A method of inserting a catheter into a vasculature of a patient can include disposing the catheter into a housing. The housing can include a blood flash indicator, having a syringe plunger fixed to the housing and a syringe barrel slidable relative to the syringe plunger. The method can further include positioning the housing adjacent the vasculature, inserting a needle into the housing and through a lumen of the catheter until a distal tip of the needle extends from a distal end of the catheter, and accessing the vasculature via the distal tip of the needle. The method can further include sliding the syringe barrel in a proximal direction relative to the syringe plunger to create a vacuum in a lumen of the needle to thereby draw blood through the lumen of the needle and into the syringe barrel.

The present disclosure may include: an electrode unit including a plurality of needle-type electrodes that repeatedly perform insertion and withdrawal operations into and out of the skin; a drug injection unit for injecting a drug into the skin; an energy supply unit for selectively applying, to the plurality of electrodes, a first high-frequency current of a monopolar type and a second high-frequency current of a bipolar type; a transport unit for moving the electrode unit so that the plurality of electrodes reach different target depths in the skin through repeated insertion and withdrawal operations at the same position; and a processor that, when the plurality of electrodes reach the different target depths through repeated insertion and withdrawal operations, controls the energy supply unit to apply, to the plurality of electrodes, the first high-frequency current and the second high-frequency current at current intensities corresponding to the different target depths reached, and controls the drug injection unit to inject the drug at the different target depths.

An ultrasound probe for sustained spatial attention. The ultrasound probe can include a display screen on a visible side of the ultrasound probe, the display screen coupled to ultrasound imaging components in the ultrasound probe, the ultrasound imaging components configured to capture live subcutaneous images and render the live subcutaneous images on the display screen. The ultrasound probe can further include one or more needle trajectories depicted on the display over the live subcutaneous images, the one or more needle trajectories configured to assist a user in guided insertion of a needle into an anatomical target under the ultrasound probe. The ultrasound probe can further include a light-pattern projector on the visible side of the ultrasound probe adjacent the display screen, the light-pattern projector configured to project a light pattern corresponding to a subcutaneous depth accessible by a needle.

The invention relates to the technical field of medical equipment, in particular to application equipment for treating diabetes mellitus, which is good in use effect and comprises a shell and a placing shell. By arranging an electric telescopic rod, a movable plate, a detection needle and a blood glucose detector, before insulin injection, the movable plate is pulled through the electric telescopic rod, at the moment, a vertical rod moves in a triangular groove, the detection needle is inserted into the skin of a patient, then the blood of the patient is detected, and the blood glucose detector is used for detecting the insulin. The real-time blood glucose condition of the patient can be detected, and the blood glucose detection function of the patient is achieved; by arranging an electric telescopic rod and a movable plate, when the device is not used, the movable plate is moved to the center position opposite to the fixed plate through the electric telescopic rod, at the moment, a treatment needle and a detection needle are both located in an inner cavity of the shell, discomfort caused when a needle head is inserted into the skin for a long time is avoided, and the use effect is good. The device has the advantages of being good in use effect and diversified in function.

Provided are a needle-assisting device, an implantable analyte monitoring device, and an implantable analyte monitoring system. The needle-assisting device comprises a housing assembly, and a needle insertion support, a fixing plate and an implantation needle assembly that are arranged in the housing assembly. The needle insertion support comprises a sleeve, an accommodating groove, and at least two elastic clamping jaws arranged in the sleeve. A groove opening of the accommodating groove and a sleeve opening of the sleeve are oriented away from each other, and the accommodating groove is configured to accommodate a sensor assembly. The needle insertion support is arranged in the housing assembly, such that the needle insertion support can move in a first direction and can be limited to a first position and a second position of the housing assembly. The housing assembly and the needle insertion support can be separated by means of a trigger button on the housing assembly, and a through hole is formed at the bottom of the sleeve. The fixing plate can be locked to the elastic clamping jaws, and the housing assembly enables the separation of the fixing plate from the elastic clamping jaws. The implantation needle assembly comprises a needle base and an implantation needle connected to the needle base. The needle base is circumferentially clamped between the elastic clamping jaws and arranged between the elastic clamping jaws and the bottom of the sleeve, and the needle base can move towards the fixing plate.

This application discloses a renal puncture guidance method, system and computer device based on multi-modal fusion, the method comprises: acquiring a medical image sequence of an object to be examined, and performing three-dimensional reconstruction based on the medical image sequence to obtain a three-dimensional reconstruction model; obtaining a slice corresponding to an ultrasonic probe currently in the three-dimensional reconstruction model; displaying a fusion image obtained from a real-time ultrasound image acquired by the ultrasonic probe and the slice in a first region of a puncture guidance interface; acquiring a needle insertion angle of a puncture needle, and displaying a puncture guide line in the fusion image in real time; and displaying the ultrasonic probe model, the puncture needle model and the three-dimensional reconstruction model in real time in a second region of the puncture guidance interface.

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 invention discloses automatic assembling equipment for automobile door lock PIN needles. The automatic assembling equipment comprises a door lock shell line body, a first PIN needle assembling device and a second PIN needle assembling device. The door lock shell line body is sequentially provided with a first PIN assembly station and a second PIN assembly station in the conveying direction. Each of the first PIN assembling device and the second PIN assembling device comprises a PIN feeding assembly, a PIN feeding robot, a PIN positioning assembly and a PIN transferring and assembling assembly; the PIN transferring and assembling assembly is used for grabbing, transferring and assembling the first PIN or the second PIN located in the PIN positioning assembly into a first PIN hole or a second PIN hole of the door lock shell located in the PIN assembling station. The PIN transferring and assembling component comprises a PIN two-dimensional transferring plate and an assembling clamping jaw; the assembling clamping jaw comprises a left assembling clamping jaw body, a right assembling clamping jaw body and an assembling push plate. According to the pin inserting device, the pins can be accurately and automatically inserted into the door lock shell assembly, it is ensured that each pin can be correctly and consistently inserted into the preset position, and the pin inserting qualification rate is high.

A spiral excitation assembly of a prefilled automatic injection pen and a prefilled automatic injection pen comprising the spiral excitation assembly. The spiral excitation assembly of the prefilled automatic injection pen comprises: a cavity (6) for changing a rotary motion of a threaded push rod (5) into an axial forward movement; a nut (9), which is capable of being rotatably mounted in the cavity (6) relative to the cavity (6), with a torsion spring (7) capable of driving the nut (9) to rotate being arranged between the nut (9) and the cavity (6); the threaded push rod (5), which is in threaded connection with the interior of the nut (9) and driven by the rotation of the nut (9) to move forward and then drive a prefilled syringe (4) to move to complete automatic needle insertion; a clutch member (10), which is sleeved outside the nut (9) and capable of being driven by an excitation sleeve (3) of the prefilled automatic injection pen to move from an engaged position to an excitation position, wherein the clutch member engages with the nut (9) to stop the nut (9) when in the engaged position, and the nut (9) can rotate when the clutch member is in the excitation position; and a clutch spring (8), which is mounted between the clutch member (10) and an end cover (11) and is used for driving the clutch member (10) from the excitation position into a limiting position to limit backward movement of the excitation sleeve (3) to achieve needle protection post-injection, and to cause the clutch member (10) to collide with the nut (9) to produce a sound.

The invention discloses a buccal needle positioning navigation method and system based on multi-mode perception driving, and the method comprises the steps: collecting the image information and depth information of the face of a patient; generating an individualized face three-dimensional model according to the image information and the depth information; determining a standard meridian map according to a meridian database, and registering the standard meridian map to the individualized face three-dimensional model through non-rigid deformation to obtain acupuncture point positioning; according to the acupuncture point positioning and a pre-stored organization hierarchy model, needle insertion path guiding information is calculated and generated, and in an interactive interface, the acupuncture point positioning and the needle insertion path guiding information are displayed in an overlapped mode so as to execute the needle insertion guiding process; and in the needle insertion guiding process, collision detection is carried out according to the needle insertion path guiding information and the organization level model, and safety early warning is carried out when a collision risk is detected. The precision and safety of the acupuncture treatment process can be effectively improved.

The invention discloses a novel effusion extraction device for oncology department treatment and an extraction method thereof, and relates to the technical field of effusion extraction, the novel effusion extraction device comprises a sleeve with a sleeve cavity used for containing a syringe, one end of the sleeve is provided with an extension hole I used for penetrating out of a needle head, and the other end of the sleeve is open and used for penetrating out of a needle handle and an end handle cap; the sleeve is provided with a drawing mechanism and comprises a pressing part and a transmission part; the pressing part is arranged outside the sleeve wall of the sleeve, and the transmission part is arranged in the sleeve wall of the sleeve. The invention aims to solve the problems that in the prior art, when effusion extraction and needle insertion are carried out, an operator generally operates by two hands in the operation of withdrawing and needle insertion at the same time, and the other hand repeatedly draws a needle handle, so that the gravity center is difficult to control, the needle insertion is not stable enough and the like. The needle inserting device has the advantages that an operator can insert a needle with one hand and control repeated withdrawing of the needle handle with one hand, and the other hand can be put on a puncture position, so that operation is simpler and more convenient, and needle inserting is more stable.

The invention discloses a multifunctional guider for olecranal fracture and osteotomy and an implementation method, and belongs to the technical field of surgical auxiliary instruments. The guider comprises a guide fixing plate, a guide sleeve and an adjustable guide assembly, a plurality of sets of positioning holes are formed in the head portion of the guide fixing plate, each set of positioning holes comprises two collinear positioning holes located in the two sides of the head portion of the guide fixing plate respectively, the guide sleeve is installed in one positioning hole in the head portion of the guide fixing plate, and the adjustable guide assembly is installed in the other positioning hole in the head portion of the guide fixing plate. An adjustable guide assembly with an adjustable angle is arranged at the tail of the guide fixing plate, the adjustable guide assembly comprises two sighting device sleeves which are parallel to each other, olecranon hooks are arranged on the guide fixing plate on the two sides of the adjustable guide assembly respectively, and an osteotomy guide opening and a plurality of fixing holes are formed in the middle of the guide fixing plate; the olecranon fracture reduction and fixation device can assist in olecranon fracture reduction and fixation, accurate screw placement and needle insertion, accurate osteotomy can be achieved during olecranon osteotomy, follow-up reduction and fixation are completed, and good clinical prognosis is achieved.