44 results about "Tip position" patented technology

The artificial anus device comprises a fixing ring and a control panel, a valve is fixedly installed at the inner edge position of the top of the fixing ring, and a contraction line is fixedly connected to the tip position of the outer wall of the valve. And concave grooves are formed in the inner side wall of the fixing ring, and a light emitter and a light receiver are installed in inner cavities of the two concave grooves correspondingly. And an annular groove is formed in the top of the fixing ring, micro motors are installed in an inner cavity of the annular groove at equal intervals, winding wheels are installed on output shafts of the micro motors, and the other ends of the contraction lines are wound around the outer circles of the winding wheels. Precise defecation and defecation control can be carried out, the psychological pressure of permanent fistulization and anus loss of a patient is relieved, the trouble of poor postoperative defecation control capacity of the patient is relieved, rectum anal hand protection at a lower position is expected to be achieved, and meanwhile the patient can autonomously select defecation time and can regularly open the defecation device for regular defecation every day.

To provide a lure which moves like live fish in water and with which a lot of fishes can be caught.SOLUTION: A lure 1 is used for fishing and includes: a lure constitution part 3 constituting the lure 1; and a weight 10 provided inside the lure constitution part 3. A position where the weight 10 is set in the lure constitution part 3 corresponds to a position on a tip end side having 0.05 L to 0.4 L from a tip end part with respect to the whole length L from the tip end part to a rear end part of the lure 1. The lure constitution part 3 is made of a flexible raw material.SELECTED DRAWING: Figure 2

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

To provide an anchor for ALC which does not rust at all.SOLUTION: The anchor is premised on an anchor in which a plurality of slits are provided at equal intervals in the circumferential direction from the axial center to the tip of a cylindrical anchor body, with adjacent slits forming a biting foot, an expandable member inserted into the tip of the anchor body, and a female screw is provided at the rear end as a fixing portion for a fixed member. The anchor body is molded from resin and reinforced with a reinforcing metal fitting. The reinforcing metal fitting is configured to include reinforcing feet in the same number as the biting feet, each having a shape corresponding to the inside of the biting feet, and connecting rings that connect the reinforcing feet to each other at the rear end side of the plurality of reinforcing feet. The reinforcing metal fitting has a reinforcing structure in which reinforcing feet run along the inside of the biting feet of the anchor body and the connecting ring is positioned at the base of the biting feet, and the diameter of the connecting ring is made smaller than the diameter of the female screw of the mounting portion to form a step at the tip position of the female screw, and the step receives a driving jig.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.

This injection needle (1A) has a protrusion protruding from a sheet base (2), the protrusion including a hollow first protrusion (31) having an open hole (31a) at the tip and a second protrusion (32) not having an open hole at the tip, and has a puncture depth control unit (40) at an intermediate position that is lower than the tip position of the first protrusion (31) and higher than the surface of the sheet base (2). It is preferable that the height difference between the tip position of the first protrusion (31) and the position of the puncture depth control unit (40) is 1 [mu] m or more and 5000 [mu] m or less.

The invention provides a novel tool cutting edge characterization method, and relates to the field of tool modeling characterization. Comprising the step of accurately obtaining the position of a separation point through program calculation based on an ALE grid method. And the upper and lower optimal fitting circles are transformed, so that the positions of the separation points of the two different positions are obtained. According to the method, more meticulous parameterization expression can be carried out on the tool through the transformation of the positions of the separation points, the structure and cutting edge characteristics of the tool are represented more visually and conveniently, and the position of a tool nose of the tool is strengthened in the reverse modeling process of the tool. The method can solve the problem of insufficient characterization of tool morphology and cutting edge characteristics in an existing method, and improves the modeling efficiency and accuracy of the tool.

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.

The invention belongs to the technical field of thread machining, and particularly relates to a large-pitch arc thread machining method and device. The method comprises the following steps: determining an equivalent root width when an arc thread is equivalent to a trapezoid according to a tool nose radius and a thread angle of a tool; determining the equivalent crest width when the arc thread is equivalent to the trapezoid according to the radius of the tool nose, the actual tooth height and the thread angle of the tool; the actual tooth height serves as the equivalent tooth height when the arc thread is equivalent to the trapezoid; the equivalent tooth bottom width serves as the equivalent tool width when the tool is equivalent to the trapezoidal turning tool; setting a radial spacing, and determining the number of flank processing layers according to the equivalent tooth height; the tool nose positions of the adjacent layers of tools are controlled to be spaced by the radial distance in the radial feeding direction and spaced by the product of the radial distance and a half thread angle tangent value in the axial direction, and the offset coordinates of the tool noses of all the layers during tooth side machining are calculated through the equivalent tooth bottom width, the equivalent tooth crest width and the thread angle; layered machining is carried out on the tooth side according to the offset coordinates of each layer of tool nose, and the cutting force is reduced.