35 results about "Tip position" patented technology

The present invention provides a tube connector and a tube with a connector that allow for precise alignment of the tip position of a medical tube when attaching it. [Solution] A tube connector 12 for connecting a medical tube 11 to a medical device, comprising a female member 21 into which the medical tube 11 is inserted, a male member 22 that screws into the female member 21, and a packing 23 that is housed in the female member 21 and deforms as the male member 22 screws into the female member 21, thereby fixing the medical tube 11, wherein at least the male member 22 of the female member 21 and male member 22 is translucent.

The invention relates to a locking device (10) for movable furniture parts (3), comprising a guide rail (11) on which a plurality of locking elements (20) are slidably held, and a plurality of latches (16), which are each couplable to a movable furniture part (3), are movable between a locked position and an unlocked position and in the locked position block the opening of the movable furniture part (3), wherein the locking elements (20) are movable into a closed position in which they block all latches (16) from moving into the unlocked position, and into an anti-tip position in which they are slidable along the guide rail (11) and over one of the latches (16) from the locked position into the unlocked position and, when one of the latches (16) is positioned in the unlocked position, block all other latches (16) from moving into the unlocked position, so that only one of the movable furniture parts (3) can be moved into an open position, wherein the locking elements (20) are movable into a release position in which all latches (16) are movable from the locked position into the unlocked position on or in a receptacle of the locking element (20). The locking device is thus flexibly lockable or unlockable for all movable furniture parts and additionally allows positioning of only a single movable furniture part to be opened in an anti-tip position.

To provide a learning device for generating a learning model capable of generating teaching data of an articulated robot.SOLUTION: The learning device includes a setting unit that sets a task including a first target value range for a tip position of the articulated robot and a second target value range for a direction in which the tip position is to be directed, a determination unit that determines whether first tip position information indicating the tip position of the articulated robot after the articulated robot is driven is within the first target value range and whether first direction information indicating a direction of the tip position of the articulated robot is within the second target value range, a learning unit that learns a correspondence relationship among a second tip position of the articulated robot before the articulated robot is driven by a drive control unit, second direction information indicating a direction in which the tip position is directed, a control value, the first tip position information, the first direction information, and a determination result, and an update unit that updates the task when one or more determination results by the determination unit satisfy a predetermined condition.SELECTED DRAWING: Figure 1

The invention provides a fine needle tip detection method, system and device and a storage medium, and the method comprises the steps: calculating the needle cone length of a fine needle through a first needle tip position of a fine needle image and an actual inflection point position obtained through linear fitting; acquiring a needle cone image of the fine needle, extracting a needle point position II and all contour points, and fitting by applying a least square method according to the initial threshold value coordinate to obtain a fitting straight line I and a fitting straight line II; calculating the distance of the fitting straight line 1 according to a preset initial needle diameter size, and comparing the distance with the initial needle diameter size to position a target position; and determining a needle diameter measurement position based on the target position and the backward distance, and obtaining a needle diameter measurement value of the needle cone image. Double-station staged measurement is utilized, the contradiction between the measurement range and the measurement precision is successfully solved, automatic extraction of the tip size of the fine needle and automatic positioning and detection of two-stage measurement are achieved, the detection efficiency is greatly improved, meanwhile, it is guaranteed that the tip is not damaged during detection, and development of the fine needle quality detection technology is powerfully promoted.

To provide a surgical cutting bur with improved cooling effect.SOLUTION: There is provided a surgical cutting bur comprising a shaft part rotating about a rotation axis, and a cutting part provided at a tip of the shaft part, where the cutting part has a spherical shape, and includes diamond abrasive grains on a surface and a longitudinal groove extending in an axial direction from the tip side, where the longitudinal groove is formed to be inclined in a rotation direction such that the tip position side is located closer to a rotation direction side than the shaft part side. This configuration can thus efficiently cool heat generated in the cutting part when the surgical bur is used by using the cooling water. Further, this makes it possible to provide a surgical bur with higher cooling efficiency at a site where precise surgical procedures for removing tissue around a nerve are performed.SELECTED DRAWING: Figure 1

The utility model discloses a PICC tip positioning body position fixing bag for premature infants, and relates to the technical field of medical auxiliary products. The utility model comprises a main body bag, wherein a cotton cloth cover is arranged on the outer side of the main body bag, two head limiting cotton bags are arranged above one side of the main body bag, and two first upper limb limiting cotton bags are arranged on one side of the main body bag and below the head limiting cotton bags. The utility model has the following beneficial effects: through the cooperation of the head limiting cotton bag, the first upper limb limiting cotton bag, the first upper limb binding, the first button, the second upper limb limiting cotton bag, the second upper limb binding, the first buttonhole, the lower limb limiting cotton bag, the first lower limb binding, the second button, the second lower limb binding and the second buttonhole, the premature infant can be fixed, the infant can be passively placed in a standard body position for filming, the difficulty of filming can be reduced, the head, trunk and limbs of the infant can be fixed and limited, and then the infant can better maintain the PICC filming position, and the accuracy of the one-time positioning of the tip is increased.

The present disclosure relates to an outer shafts with flexible atraumatic members at distal portions thereof. In an example, a delivery apparatus comprises an outer shaft and a plurality of atraumatic flexible members disposed around a circumference of a distal portion of the outer shaft, each of the atraumatic flexible members includes an extension extending along at least part of, and affixed to, the distal portion of the outer shaft, an atraumatic tip positioned distal to the distal end of the outer shaft, and optionally a bendable portion extending between the extension and the atraumatic tip. The atraumatic flexible members are configured to move between a first configuration and a second configuration, such that the atraumatic tips are positioned, in the second configuration, radially outwards relative to their radial position in the first configuration.

A scanning probe microscope (10) is described, comprising a probe (1) with a cantilever (11) carrying a tip (12), the scanning probe microscope configured to generate a first actuating motion changing a distance of the tip (12) with respect to a sample surface, a detector (4) configured to detect a tip position and to output a tip position signal, a control circuit (5) configured to generate a first control signal using the tip position signal, the scanning probe microscope being configured to generate a second actuating motion adapting a distance between the probe (1) and the sample surface using the first control signal, wherein the control circuit (5) is configured to generate a second control signal, the scanning probe microscope being configured to generate, using the second control signal, a third actuating motion at least partially opposing detachment-induced oscillations of the cantilever (11) induced by detaching of the tip (12) from the sample surface while retracting the probe (1).

The application provides a device and method for camera and CT coordinate system registration in oral implant surgery, the device comprising: a tooth socket, a probe, a U-shaped groove with a scribe groove, an infrared binocular camera, the method comprising: obtaining an oral CBCT image; preparing the device and system; calibrating the probe tip position; obtaining a scribe groove point cloud and registering with the U-shaped groove; and performing registration of the infrared binocular camera coordinate system and the CT coordinate system. The application replaces the original registration point by planning multiple curves on the U-shaped groove, omits the process of lifting the hand and moving to the next registration point after selecting a registration point, simplifies the point collection process, optimizes the user interaction mode, and reduces the operation difficulty. In addition, compared with collecting multiple points, the method provided by the application has fewer operation times but more overall collected points, which makes the registration accuracy better and has higher practicability in clinical application.

An apparatus includes a body and a shaft assembly extending distally from the body. The shaft assembly includes a malleable distal portion and an enlarged tip positioned at a distal end of the malleable distal portion. The shaft assembly further includes a position sensor positioned within the enlarged tip. The position sensor is configured to generate a signal indicating a position of the enlarged tip in three-dimensional space. The shaft assembly further includes an illuminating element positioned within the enlarged tip. The illuminating element is configured to emit light. The shaft assembly further includes an inflatable balloon positioned proximal to the enlarged tip. The inflatable balloon is configured to dilate a passageway in an ear, nose, or throat of a patient.

The invention discloses a method for calibrating a needle tip and a needle axial direction. The method comprises the following steps: obtaining the position of the needle tip through first-time rotary calibration of a calibration needle; the calibration needle is turned over by 180 degrees in the length direction of the calibration needle, the needle tip and the needle tail are inverted, and then the calibration needle is subjected to second-time rotation calibration to obtain the center position of a hemisphere at the needle tail end; calculating the spatial axial direction of the calibration needle by using a needle point coordinate difference vector obtained by two times of rotation calibration; outputting the coordinate of the needle tip in the coordinate system of the pose sensor and the axial vector of the needle body of the calibration needle to obtain a pose matrix of the calibration needle in the coordinate system of the pose sensor; the needle tip position and the needle body direction can be obtained at the same time, external equipment and a structural device are not depended on, the simplicity and the universality of the calibration process are improved, only two times of normal Pivot rotation are needed for the needle, fine placement and contact control are not needed, and the user experience and the operation stability are greatly improved; and the calibration precision and robustness are enhanced.

To provide a method and a system for determining the location of a cannula tip in a body, which provide advantages over conventional techniques.SOLUTION: A method for determining the position of a cannula tip within a body, comprising the steps of coupling an ultrasound signal into the body, receiving the ultrasound signal, wherein the ultrasound signal is received by a plurality of sensors, wherein the plurality of sensors are attached to a cannula located within the body and are arranged at a known axial distance to the cannula tip and at a known axial distance to each other along a longitudinal axis of the cannula, comparing the received ultrasound signals, and determining the position of the catheter tip relative to the ultrasound probe, wherein: And wherein the position is determined by the evaluation device depending on a comparison of signal amplitudes and signal waveforms of the received ultrasonic signals.SELECTED DRAWING: Figure 8

Provided are a probe and a socket with which tip position accuracy of the probe can be improved. Provided is a probe having a plunger inserted into a probe hole of a housing, the outer diameter of a part or the whole of the outer periphery of the plunger coinciding with the inner diameter of the probe hole or being larger than the inner diameter, and a slit that enables the outer diameter to be elastically reduced being formed in the plunger.

The present invention provides a fastening member that can avoid the problem in which fibers or the like constituting an object get hooked on a knob part or get caught in a gap between retention components. In this fastening member, a horizontal bar part (5) for retention is connected to one end of a fiber part (2) penetrating through an object, a retention component (8) is disposed on the other-end side, and the other-end side of the fiber part (2) has a bent part (6) that bends at a prescribed angle to the extension direction of the one-end side and extends in the bent direction. The retention component (8) is formed in a U-shape with two portions (8a), (8b) extending parallel to the direction of extension of the bent part (6) and connected to each other. One portion (8a) is connected to the bent part (6) via a breakable part (7), and the position of the tip of the one portion (8a) is set in the vicinity of the position of the tip of the bent part (6). The other portion (8b) has a knob part (10), and the position of the tip of the other portion (8b) is set at the same position as, or a retracted position from, the position of the tip of the one portion (8a).

The utility model discloses a music metronome, which comprises a base on which a metronome body is arranged, and further comprises a rectangular groove arranged on the base, the adjusting gear I is rotatably arranged in the rectangular groove, and only half of the tooth tip of the adjusting gear I is arranged; the adjusting gear II is rotatably arranged in the rectangular groove, the tooth top of the adjusting gear II is only half, the adjusting gear I and the adjusting gear II are meshed with each other, and the initial tooth top positions are all right opposite to the bottom surface of the rectangular groove; the fan-shaped opening and closing shell is formed by detachably connecting a shell body I and a shell body II, the shell body I is connected with the half, without the tooth tip, of the adjusting gear I, and the shell body II is connected with the half, without the tooth tip, of the adjusting gear II; and twisting a handle. According to the music beat device, the problems that an existing external needle pendulum is prone to being damaged or fractured under the action of external force, and the overall protection performance is poor are solved.

To provide a prober control device and a prober control method that can more accurately predict the tip position of a probe needle.SOLUTION: A prober controlling device that brings a probe needles (35) into contact with an inspection target for electrical characteristics includes: an input data acquisition unit (42) that acquires input data including temperature data of at least one of a probe card (26) and a card holder (25); a prediction unit (46) that predicts a tip position of the probe needle on the basis of the input data acquired by the input data acquisition unit, using a prediction model (47) that receives the input data as input and outputs the tip position of the probe needle; and a determination unit (50) that determines whether or not to execute prediction by the prediction unit on the basis of the input data used as training data for machine learning of the prediction model and the input data acquired by the input data acquisition unit, before the prediction by the prediction unit.SELECTED DRAWING: Figure 5

A clamping device (10) for movable furniture parts (3) comprises a guide rail (11) with a plurality of locking elements (20) that are movably retained along the guide rail (11), wherein each locking element (20) comprises a rising slope (23) that can come into contact with an actuator (16) attached to a movable furniture part (3), and each clamping element (20) comprises a wall (22) that can form a stop for the actuator (16) in order to clamp the movable furniture part (3) with the actuator (16).In a closed position, the guide rail (11) with the locking element (20) can be moved between an anti-tip position, in which all the actuators (16) are arranged adjacent to an upward slope (23) on different locking elements (20), and a locking position, in which all the actuators (16) arranged in the closed position are arranged adjacent to a wall (22) on different locking elements (20). In the anti-tip position, when an actuator (16) moves against an upward slope (23), the guide rail (11) can be displaced to the locking position and is held in the locking position by a retaining device (40, 41, 50). Furthermore, the invention relates to a method for retaining at least one movable furniture part within a furniture body using a clamping device.

The utility model discloses an orbital septum fat release internal fixation guide needle, and relates to the technical field of guide needles. Needle points are arranged at the two ends of the guide needle body, two sets of scale marks are arranged on the guide needle body and close to the needle points, a threading hole is formed in the guide needle body, a thread inlet is formed in the inner side end, close to the guide body, of the threading hole, and the side, away from the threading hole, of the thread inlet is of an arc-shaped structure. During threading, the guide needle body is sleeved with a suture line, the suture line slides on the inner side of the guide needle body, and when the suture line moves to the suture inlet, the suture line slides into the threading hole from the suture inlet; due to the structural design of the thread inlet, the threading process is smoother, the problem that a traditional guide needle is difficult to thread is effectively solved, and the operation time is shortened. Meanwhile, the matching groove and the elastic plate are tightly attached in a natural state, so that the suture line is effectively prevented from sliding out of the line inlet, and normal use of the device is guaranteed.

The invention discloses a genital tract dilation device for early and middle stage pregnancy termination, relates to the technical field of genital tract dilation instruments, and provides the following scheme that the genital tract dilation device comprises a valve type cervical orifice dilator and a pair of genital tract dilation forceps, and the valve type cervical orifice dilator is clamped at the tip position of the front side of the genital tract dilation forceps; the valve type cervical orifice dilator comprises 6-8 arc-shaped side plates which are arranged in an annular array. According to the technical scheme, the expansion control mechanisms are arranged on the forceps arms of the oval forceps, and by means of an arc-shaped strip and a rectangular clamping groove in the left forceps arm, after the two forceps arms are expanded by a certain angle, a rectangular coupling clamping block in the right forceps arm is pushed forwards to be clamped into the rectangular clamping groove in the arc-shaped strip, and then the forceps arms are expanded by a certain angle. The opening and closing angle of the pliers is stably and firmly limited; in addition, by arranging the valve type cervical orifice dilator, the cervical orifice is dilated in multiple directions in a pneumatic mode, amniotic fluid can be helped to flow out when the pregnancy is terminated, and a space for clamping a pregnancy object can also be provided.

The method for measuring the position of the front end of a fin includes: a fixture installation step, in which a fixture having a flat measuring surface extending in the circumferential direction and the axial direction is installed at the front end of at least one of a plurality of sealing fins that protrude radially relative to an axis, extend circumferentially, and are arranged along the direction in which the axis extends; a first measuring step, in which the distance from the axis to the measuring surface is measured by scanning the measuring surface with a laser; and a first calculation step, in which the distance from the axis to the front end of the sealing fin is calculated by adding the radial dimension of the fixture to the distance to the measuring surface.

Provided are: a catheter tip position confirmation device which makes it possible to ascertain the positional relationship between the tip portion of a catheter and a target object such as an inner wall of a visceral organ of a living body and the like; and a medical catheter set provided with the same.　A catheter tip position confirmation device 2 has: an optical fiber 10 which has a base end portion 10b and a tip portion 10t and is disposed such that the tip portion 10t is positioned at or near the tip 3t of a catheter 3; a first light source 20 which allows measurement light to enter the optical fiber 10 from the base end portion 10b; a second light source 20 which allows visible light to enter the optical fiber 10 from the base end portion 10b; and an analyzer 30 which comprises a function of measuring the distance between the tip portion 10t of the optical fiber 10 and a target object 4 on the basis of signal information regarding the measurement light and signal information regarding return light resulting from reflection, on the target object 4, of the measurement light emitted from the tip portion 10t of the optical fiber 10, or a function of examining information regarding the state of the target object 4 and / or the tip 3t of the catheter 3. The visible light is emitted from the tip portion 10t of the optical fiber 10 and the proximity thereof.

A robot (1) includes an arm (10), a tool (30) attached to the arm (10), a measurement jig (50) attached to a front end of the tool (30) in a detachable manner, and a control device (20) that identifies a reference coordinate system (201) for controlling the arm (10) and controls the arm (10). The control device (20) stores data indicating a positional relationship between a front end of the tool (30) and the measurement jig (50) or data for calculating the positional relationship. The control device (20) calculates a position coordinate of the front end of the tool (30) in the reference coordinate system (201) based on position data of the measurement jig (50) detected using image data of a vision sensor (40) that is positionally associated with the reference coordinate system (201) and the positional relationship.

The invention relates to the technical field of automatic control of medical equipment, in particular to a pipetting needle position confirmation method and a sample analyzer, which comprises the steps of setting a calibration part, detecting and determining position coordinates on the calibration part so as to calculate and determine the working position of a pipetting needle, and determining the working position coordinates one by one dimensionality in the process so as to determine the working position of the pipetting needle. And firstly determined coordinate values are introduced to calculate and determine subsequent coordinate values, so that the fluctuation influence in the process is eliminated. In the debugging stage when the position of the pipetting needle is uncertain after the analytical instrument is produced and assembled, the working position of the liquid adding needle is automatically determined by adopting the calibration part based on the liquid level detection technology, so that the production debugging cost of the instrument is obviously reduced; a strategy of repeated detection and detection parameter comparison judgment is adopted, and the calibration precision of the target position is improved; and an anti-collision function is used for monitoring whether the position of the pipetting needle is normally confirmed, so that the reliability of a position confirmation scheme is ensured.

The invention relates to the field of playing digitization, in particular to a hand recognition method in musical instrument playing, an intelligent musical instrument, equipment and a medium. The method comprises the following steps: acquiring a plurality of groups of playing images, wherein the playing images comprise hand image areas; based on a first preset model, first-class key points and second-class key points of each finger structure are identified from the hand image area, the first-class key points are used for positioning finger tip positions of the finger structures, and the second-class key points are used for positioning interphalangeal positions of the finger structures; determining a predicted inter-finger region of each finger structure from the hand image region based on the class of key points of each finger structure; and based on the predicted inter-finger region of each finger structure, calibrating the position coordinates of the second-class key points, and based on the first-class key points and the calibrated second-class key points, outputting a hand recognition result of the playing image. The precision, robustness and practicability of hand motion capture are improved, and the manual intervention cost is reduced.

The lathe is provided with: a tool holder having a holder reference point and to which a tool having a cutting edge can be mounted; the knife rest comprises a plurality of mounting surfaces and is provided with a knife rest original point; and a numerical control device having a memory and a processor. The memory stores a first distance in a first direction between a holder reference point of the tool holder and a holder origin when a mounting surface on which the tool holder is mounted among the plurality of mounting surfaces is disposed at the indexing position and the mounted tool is mounted to the tool holder. The processor acquires an identifier of a mounted tool, and stores a first correspondence between an identifier of a candidate tool that can be mounted on the tool holder and a second distance between a holder tool reference point and a tool nose in a first direction when the mounting surface is disposed at the indexing position and the candidate tool is mounted on the tool holder. A second distance corresponding to the identifier of the candidate tool that matches the identifier of the mounted tool is acquired, and a third distance in the first direction between the original point of the tool holder and the tip of the mounted tool is estimated on the basis of the second distance and the first distance.

A steerable surgical device includes tubular body members and at least one moveable joint, with a moveable tray member arranged to permit tissue extraction and a retractable tip member for removal of a sample while a remainder of the surgical device remains in the tissue. A method utilizes sensed shape memory alloy (SMA) electrical properties and sensed compressive force to determine joint deflection that is used with a joint deflection model to map tip position in tissue. Another method for determining position of a tip of a steerable instrument within tissue utilizes transverse ultrasound probe images and image processing together with saved and predicted tip information. A method for sequentially removing a plurality of samples from tissue utilizes a steerable surgical device, without requiring complete removal of the device from the tissue.