CN210170134U - Device for preparing ultrasonic guide puncture needle - Google Patents

Device for preparing ultrasonic guide puncture needle Download PDF

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Publication number
CN210170134U
CN210170134U CN201920095616.XU CN201920095616U CN210170134U CN 210170134 U CN210170134 U CN 210170134U CN 201920095616 U CN201920095616 U CN 201920095616U CN 210170134 U CN210170134 U CN 210170134U
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China
Prior art keywords
needle
puncture needle
guide
ultrasonic
laser
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CN201920095616.XU
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Chinese (zh)
Inventor
Wei Lou
楼伟
Lihua Sun
孙丽华
Yanping Kuang
匡延平
Yingwei Xia
夏颖伟
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SHANGHAI ANJIU BIOTECHNOLOGY CO Ltd
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SHANGHAI ANJIU BIOTECHNOLOGY CO Ltd
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Abstract

The utility model provides a device for preparing an ultrasonic guide puncture needle. Specifically, the device comprises a puncture needle, a clamp, a stepping motor, a controller and a display, wherein the ultrasonic guide puncture needle comprises a needle point guide area, a needle body and a needle tail and is arranged in the clamp; the clamp is connected with the stepping motor and is used for providing power for the ultrasonic guide puncture needle to perform rotary motion and axial motion; the controller is electrically connected with the stepping motor and is used for controlling and setting the speed of the rotary motion and the radial motion of the clamp connected with the stepping motor, so that the laser beam can accurately scan and irradiate a specific guide area of the puncture needle; the display is electrically connected with the controller. The device of the utility model is simple in structure, artificial intelligence operation degree is high, can high-efficient preparation have excellent ultrasonic reflectivity and good mechanical properties's pjncture needle.

Description

Device for preparing ultrasonic guide puncture needle
Technical Field
The utility model relates to the field of medical equipment, in particular to a device for preparing an ultrasonic guide puncture needle.
Background
Clinically, ultrasound-guided puncture is commonly used for sampling, drawing, injecting, etc. of specific tissues and organs of the human body. Such as puncturing tissue to obtain living cells, drug infusion in interventional procedures. The clear, efficient and accurate ultrasonic guide area directly influences the safety and the effectiveness of the puncture needle operation.
At present, most of the ultrasonic guide areas of puncture needles used clinically are formed by machining, but the ultrasonic guide areas cause burrs on the inner wall and the outer wall of the guide areas and uneven thinning of materials, so that the ultrasonic guide areas have adverse effects such as mechanical strength. For example, machining the ultrasound guide region of the needle also has a range of adaptation to the wall, diameter, etc. of the needle, with smaller diameter and thinner wall, which cannot be directly machined and requires a cannula. Large bore trocars undoubtedly add complexity to the procedure and trauma to the patient.
Currently, various configurations of guide regions have been used to increase the intensity of the ultrasound reflection. For example, CN 101227862B discloses a puncture needle with a guide area processed into a right-angled prism shape, but many studies show that the processing can cause safety problems such as strength reduction of the puncture needle, breakage of the puncture needle and the like; the puncture needles of a plurality of small right-angle reflectors on the needle tube form strong reflection under ultrasound, so that strong echo displayed by the needle tube generates certain interference on the development of surrounding tissues, particularly tissues behind the needle tube. In addition, there are puncture needles that increase the ultrasound reflection by welding a machined balloon, but the welded balloon has a risk of breaking and falling into the tissue.
In view of the above, there is a strong need in the art to develop a device capable of manufacturing an ultrasound guided puncture needle having excellent ultrasound reflectivity and excellent mechanical properties so as to improve the accuracy of puncture.
Disclosure of Invention
The utility model aims at providing a device of preparation supersound guide pjncture needle can prepare the supersound guide pjncture device that has good ultrasonic reflectivity and mechanical properties to improve the precision and the accuracy of puncture. Just the device of the utility model is simple in structure, artificial intelligence operation degree is high.
In a first aspect of the present invention, there is provided an apparatus for preparing an ultrasound guided puncture needle, the apparatus comprising a clamp for clamping the puncture needle, a stepping motor, a controller, a display, and a laser source; the ultrasonic guide puncture needle comprises a needle point guide area, a needle body and a needle tail; what is needed is
The clamp comprises a needle tail clamp, the needle tail clamp is provided with a cavity for accommodating the needle tail of the ultrasonic guide puncture needle and a retractable clamping jaw, and the clamping jaw is of a retractable type, wherein the needle tail clamp clamps the ultrasonic guide puncture needle when the clamping jaw is in a retracted state, and the ultrasonic guide puncture needle is released when the clamping jaw is in a non-retracted state;
the needle tail clamp is also provided with a connecting rod, the connecting rod is connected with the stepping motor, and the stepping motor leads the ultrasonic guide puncture needle to rotate and move back and forth along the axial direction of the puncture needle through the connecting rod;
the controller is electrically connected with the stepping motor and is used for setting and controlling the rotary motion and the back-and-forth motion of the clamp connected with the stepping motor, so that the section to be processed by laser of the needle point guide area of the ultrasonic guide puncture needle is positioned under the irradiation of the laser beam of the laser source; and
the display is electrically connected with the controller and is used for displaying the position of the section to be laser-processed of the ultrasonic guide puncture needle and the image of the bowl-shaped recess formed by the laser-processed section after laser irradiation.
In another preferred embodiment, the needle tail clamp is further provided with a screw mechanism, the screw mechanism is used for tightening or loosening the clamping jaws, and when the screw mechanism rotates around the axis of the puncture needle in one direction (such as clockwise direction or anticlockwise direction), the clamping jaws are tightened; and when the screw mechanism is rotated about the axis of the needle in the opposite direction (e.g., counterclockwise or clockwise), the jaws are released. And vice versa.
In another preferred embodiment, the clamping jaws comprise single-point clamping type clamping jaws, or multi-point clamping type clamping jaws, or a combination thereof.
In another preferred embodiment, the needle tail clamp is provided with a plurality of groups of clamping jaws for clamping the ultrasonic guide puncture needle at a plurality of positions of the needle tail.
In another preferred embodiment, at least one of the jaws is a multi-point gripping jaw.
In another preferred embodiment, the needle tail clamp is used for clamping an ultrasonic guide puncture needle workpiece with the outer diameter of 0.3-3mm (preferably 0.3-1.0 mm).
In another preferred embodiment, the pin tail clamp has the shape of a cylinder.
In another preferred embodiment, the inner surface of the pin tail clamp and/or the clamping part of the clamping jaw is provided with threads.
In another preferred example, the pin tail clamp is a precision multi-point type clamping jaw clamp.
In another preferred embodiment, the fixture further comprises an auxiliary fixture, and the auxiliary fixture is disposed at the front end, the middle end, and/or the rear end of the laser processing area of the device.
In another preferred example, when the ultrasound guide puncture needle is fixed by the clamping of the needle tail clamp, the position of the auxiliary clamp corresponds to the position to be laser-processed in the needle tip guide area of the ultrasound guide puncture needle.
In another preferred embodiment, the pin tail clamp is provided with a clamping force display device.
In another preferred example, the rotational movement and the back-and-forth movement are used for regulating the back-and-forth position and the rotational angle (corresponding to the initial position) of the ultrasound guide puncture needle, so that the section to be laser-processed is in the irradiation region of the laser beam of the laser source.
In another preferred embodiment, the device of the present invention can realize 1/100 degrees of rotation precision and can freely rotate between 0-360 degrees.
In another preferred embodiment, the device of the present invention can achieve a precision of 0.01mm for the back and forth movement and a movement amplitude of 2-25 cm, preferably 5-18 cm.
In another preferred embodiment, the rotational movement and the axial movement of the gripper connected to the stepper motor may be alternated or synchronized.
In another preferred example, the laser beam is an n-point beam, and n is a positive integer from 3 to 9.
In another preferred embodiment, the spot diameter of the laser beam is 0.01-0.5 mm.
In another preferred embodiment, the device further comprises a camera for acquiring images of the section to be laser-machined of the ultrasound guide puncture needle before, during and/or after machining.
In another preferred embodiment, the spot diameter is 0.01-0.5mm, preferably 0.04-0.2mm,
in another preferred embodiment, the length of the guide zone of the ultrasonic guide puncture needle is 2-30 mm.
In another preferred example, the wire gauge of the ultrasonic guide puncture needle is 16-23G.
In another preferred example, the needle tip guide area comprises a puncturing end and a guide part (corresponding to a section to be laser processed of a workpiece), and the guide part of the needle tip guide area irradiated by laser is formed with a plurality of bowl-shaped depressions and extends to the back of the incision of the puncture needle, so that the ultrasonic guide puncture needle is prepared;
the sum of the areas of the bowl-shaped depressions of the prepared puncture needle is StotalThe outer surface area of the guide part is S, S total15% -90% of S.
In another preferred example, the laser irradiation is scanning irradiation.
In another preferred example, the controller includes a computer.
In another preferred example, the display comprises an HMI touch screen.
It is understood that within the scope of the present invention, the above-mentioned technical features of the present invention and those specifically described below (e.g. in the examples) can be combined with each other to constitute new or preferred technical solutions. Not to be reiterated herein, but to the extent of space.
Drawings
FIG. 1 is a schematic view of the device for preparing an ultrasound guided puncture needle according to the present invention;
fig. 2 is a schematic structural view of the back surface of an ultrasound guided puncture needle according to embodiment 1 of the present invention;
fig. 3 is a front side view of the ultrasound guided puncture needle with an incision according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the back surface of an ultrasound guided puncture needle according to embodiment 2 of the present invention.
The various symbols in the drawings are as follows:
11-puncture needle
12 clamping apparatus
13-step motor
14-controller
15-display
16-laser source
1-needle tip guide region
2-needle body
3-needle tail
4-needle tip
5-guide (corresponding to the zone of the workpiece to be laser machined)
6-bowl-shaped depression
Detailed Description
The present inventors have conducted extensive and intensive studies and, through extensive screening and testing, have for the first time developed an apparatus for manufacturing an ultrasound guide puncture needle having a unique structure and an enhanced ultrasound reflection.
Term(s) for
In the present invention, the terms "ultrasound guided needle", "puncture needle" and "guided needle" are used interchangeably and refer to a needle for ultrasound guided puncture that has a depressed bowl-like guiding region and high ultrasound reflection performance.
The terms "guiding needle tip", "needle tip guiding area", "guiding needle tip" are used interchangeably and refer to an end (or referred to as a patient end) having a piercing end for piercing skin, tissue and a guide for reflecting ultrasonic echoes, i.e. a piercing needle tip.
It is to be noted that, in the claims and the specification of the present patent, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
In the present invention, for the convenience of description, the terms "above", "below", "left side", "right side", "front end", "rear end", "distal end", "proximal end" are used. It should be understood that these positional relationships are relative and do not provide additional limitations to the scope of the present invention.
Ultrasonic guide puncture needle
In one embodiment, an ultrasound guided needle is provided that includes a needle tip guide region, a needle body, and a needle tail.
Typically, the wire gauge of the ultrasonic guide puncture needle is 16-23G, and the needle tail is a universal or special interface for connecting transfusion and suction.
Preferably, the needle tip guide area includes puncture end and guide portion, the pipe wall surface of guide portion on be equipped with one or more supersound reinforcing segment, be equipped with a plurality of bowl form on the superficial layer of supersound reinforcing segment and sunken and extend to puncture needle incision back, bowl form sunken surface is burr-free, just bowl form sunken not pierce through the pipe wall of guide portion and puncture end.
Preferably, the guide area, the needle body and the needle tail of the ultrasonic guide puncture needle are integrated and made of the same material, such as stainless steel.
Needle body
In the present invention, the shape of the needle body is not particularly limited. In addition, the material of the ultrasonic guide puncture needle is common medical material, such as medical stainless steel, as long as the material can be connected with the needle point guide area and the needle tail.
The needle body is generally a cylindrical tubular structure connected with a needle tip guiding area. Generally, the diameter, wall and material of the needle are the same as those of the guide part of the needle tip guide area.
Needle tail
The shape of the needle tail which can be used for the puncture needle of the utility model is not limited specially and the material is medical material. Generally, the needle tail of the present invention is also called as an operator end, and can be configured to be connected with any clinically needed liquid pipeline or syringe for a general or special interface for delivering and absorbing liquid.
Preparation device
See fig. 1. The device of the utility model comprises a puncture needle, a clamp, a stepping motor, a controller, a display and a laser source. The ultrasonic guide puncture needle comprises a needle point guide area, a needle body and a needle tail.
The utility model discloses an in the device, anchor clamps include a backshank anchor clamps, backshank anchor clamps are equipped with one and hold the cavity and the collapsible clamping jaw of supersound guide pjncture needle backshank, the clamping jaw is the contraction type clamping jaw.
In the device of the present invention, the needle tail clamp is further provided with a connecting rod, the connecting rod is connected to the stepping motor, and the stepping motor passes through the connecting rod makes the ultrasonic guided puncture needle rotate and move back and forth along the axis direction of the puncture needle.
In the apparatus of the present invention, the controller is electrically connected to the stepping motor for setting and controlling the rotational movement and the back-and-forth movement of the jig connected to the stepping motor.
In the device of the present invention, the display is electrically connected to the controller for displaying the position of the ultrasonic guided needle in the section to be laser-processed and the recessed bowl-shaped image of the laser-processed section after laser irradiation.
Preparation method
The utility model also provides a method for preparing the ultrasonic guide puncture needle by using the device of the utility model. Generally, the method comprises: (i) clamping the needle tail of the ultrasonic guide puncture needle by using the clamp; (ii) starting processing, wherein the stepping motor drives the clamp to rotate and/or axially move according to preset parameters of a controller, so that a region to be subjected to laser processing of the puncture needle is irradiated by laser; (ii i) activating the laser source to irradiate the laser to the region to be laser-processed of the puncture needle, thereby forming the required bowl-shaped recess in the laser-processed region.
Typically, in one embodiment, the following steps may be included:
a) designing different guide areas according to different diameters of the ultrasonic guide puncture needle;
b) before the puncture needle workpiece is installed, the clamping jaw of the clamp is loosened so as to avoid accidentally injuring the puncture needle tail;
c) the clamping force display value is seen to clamp the workpiece, and meanwhile, the installation position of the puncture needle is observed in real time in the display, so that the guide area to be processed of the puncture needle is ensured to be in the irradiation range of laser;
d) starting a controller processing key, wherein the stepping motor drives the clamp to rotate and move back and forth according to preset parameters of the controller;
e) the laser is irradiated in a scanning manner, so that a required bowl-shaped recess is formed in a laser processing area of the puncture needle workpiece (corresponding to a guide part of the ultrasonic guide puncture needle).
The utility model discloses a main advantage includes:
(a) the device for preparing the ultrasonic guide puncture needle has simple structure and high degree of artificial intelligent operation, and can obtain the puncture needle with excellent ultrasonic reflectivity and excellent mechanical property;
(b) the controller of the utility model is matched with the stepping motor, so that the puncture needle moves axially and rotationally, and the laser beam can be accurately swept to a specific position of the puncture needle guide area according to the output requirement of the controller;
(c) the utility model has the advantages that the inner surface of the tube wall of the puncture needle is flat, the tube wall is thin, the difficult problem of forming a reflecting area is solved on the ultrasonic guide needle, the defect of fuzzy images of the puncture needle with thin tube diameter under the ultrasonic is improved, and the accuracy and the safety of the puncture are greatly improved;
(d) the shallow surface of the ultrasonic enhancement section of the puncture needle manufactured by the utility model is provided with a plurality of bowl-shaped depressions, and the patterns of the bowl-shaped depressions are more favorable for the operation of laser on the puncture needle with thinner tube wall and thinner tube diameter, thereby reducing the probability of burrs and breakage in the guide area;
(e) the utility model discloses the pjncture needle of waiting to process not only can firmly be grasped to the homoenergetic in the rotatory or back-and-forth movement of work piece to anchor clamps among the equipment to make the laser beam that the laser source launched can shine the relevant position in the predetermined needle point guide area of pjncture needle very accurately.
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The experimental procedures, in which specific conditions are not noted in the following examples, are generally carried out under conventional conditions or conditions recommended by the manufacturers.
Example 1
Ultrasonic guide puncture needle No.1
Fig. 1 is a schematic diagram of an apparatus for preparing an ultrasound guide puncture needle, fig. 2 is a schematic diagram of a structure of a back surface of the ultrasound guide puncture needle, and fig. 3 is a schematic diagram of a structure of a front surface with a notch of the ultrasound guide puncture needle.
As shown in fig. 2 to 3, a conventional ultrasound guide puncture needle is provided as a blank, wherein the ultrasound guide puncture needle has a specification of 20G and is made of medical stainless steel 304. The ultrasonic guide puncture needle embryo body comprises a needle point guide area 1, a needle body 2 and a needle tail 3.
The needle point guide area 1 comprises a puncture end 4 and a guide part 5, the needle point guide area is clamped by the clamp, axial and rotary motion is carried out according to the design requirement of the controller, the guide part 5 of the needle point guide area 1 of the embryo body is scanned by laser, a plurality of bowl-shaped depressions 6 are formed on the guide part 5 and the puncture end 4, and meanwhile, the preparation process of the ultrasonic guide puncture needle is observed in real time on a display, so that the ultrasonic guide puncture needle No.1 is prepared.
The ultrasonic guide puncture needle No.1 comprises a needle point guide area, a needle body and a needle tail, wherein the needle point guide area and the needle body are partially enlarged as shown in figure 4.
The needle point guiding area comprises a puncture end and a guiding part, one or more ultrasonic enhancement sections are arranged on the outer surface of the tube wall of the guiding part, a plurality of bowl-shaped depressions are formed in the shallow surface of each ultrasonic enhancement section and extend to the back of the tip of the ultrasonic guiding puncture needle, no burr is arranged on the surfaces of the bowl-shaped depressions, and the bowl-shaped depressions do not penetrate through the tube walls of the guiding part and the tip of the puncture needle.
The sum of the areas of the bowl-shaped depressions is determined to be StotalThe outer surface area of the guide part is S, StotalThe ratio to said S is about 0.80.
The tube wall thickness of the guide portion is about 0.15 mm.
The depth of the bowl-like depression is about 1/15 of the tube wall thickness of the guide portion.
The bowl-like depression has a depth of about 0.010 mm; and the spacing is about 0.1 mm; the bowl-like depression has a diameter of about 0.1 mm. The bowl-shaped depressions are staggered and extend to the back of the tips of the ultrasonic guide puncture needles.
The needle point guide area is 20mm long.
The tip of the puncture needle is conical.
The length of the ultrasonic guide puncture needle is 350 mm.
The inner surface of the tube wall of the ultrasonic guide puncture needle is flat.
The material of the ultrasonic guide puncture needle is medical stainless steel 304.
In addition, compared with the same ultrasonic guide puncture needle blank (specification of 20G, material of medical stainless steel 304) which is not processed by laser scanning, the reflection intensity of the ultrasonic wave of the ultrasonic guide puncture needle No.1 with the bowl-shaped recess is obviously improved (figure 4). The ratio of the reflection intensity S1 for ultrasound of the ultrasound-guided puncture with the bowl-like depression to the reflection intensity S0 for ultrasound of the same specification without the bowl-like depression (S1/S0) was 3.0.
Example 2
Ultrasonic guide puncture needle No.2
Fig. 4 is a structural diagram of the back surface of the ultrasonic guide puncture needle, and as shown in fig. 4, a conventional ultrasonic guide puncture needle is provided as a blank, wherein the specification of the ultrasonic guide puncture needle is 23G, and the material is 316 type stainless steel. The ultrasonic guide puncture needle embryo body comprises a needle point guide area 1, a needle body 2 and a needle tail 3.
The needle point guide area 1 comprises a puncture needle tip 4 and a guide part 5, is clamped by the clamp, performs axial and rotary motion according to the design requirement of the controller, simultaneously scans the guide part 5 and the puncture needle tip 4 of the needle point guide area 1 of the embryo body by laser, forms a plurality of bowl-shaped depressions 6 at the guide part 5 and the puncture end 4, and simultaneously observes the preparation process of the ultrasonic guide puncture needle in real time in a display, thereby preparing the ultrasonic guide puncture needle No. 2.
The ultrasonic guide puncture needle No.2 comprises a needle point guide area, a needle body and a needle tail.
The needle point guide area comprises a puncture end and a guide part, one or more ultrasonic enhancement sections are arranged on the outer surface of the tube wall of the guide part, a plurality of bowl-shaped depressions are arranged on the shallow surface of each ultrasonic enhancement section and extend to the back of the tip of the ultrasonic guide puncture needle, and the bowl-shaped depressions do not penetrate through the tube walls of the guide part and the puncture end.
The sum of the areas of the bowl-shaped depressions is StotalThe outer surface area of the guide part is S, StotalThe ratio to said S is 0.90.
The tube wall thickness of the guide part is 0.12 mm.
The ultrasonic guide puncture needle is provided with a flat inner surface of a tube wall.
The depth of the bowl-shaped concave part is 1/3 of the pipe wall thickness of the guide part.
The depth of the bowl-shaped recess is 0.040 mm.
The bowl-shaped depressions are regularly arranged.
The diameter of the bowl-shaped concave is 0.05 mm.
The bowl-shaped depressions are arranged on the surface of the tube wall of the guiding part in a staggered manner along the long axis direction of the ultrasonic guiding puncture needle.
The needle point guide area is 19mm in length.
The puncture end is in a single-bevel conical shape.
The length of the ultrasonic guide puncture needle is 320 mm.
The irradiation is computer-aided scanning irradiation and point irradiation, and the bowl-shaped recess is a blind end bowl-shaped recess.
In addition, compared with the same ultrasonic guide puncture needle blank (23G in specification and 316 type stainless steel material) which is not subjected to laser irradiation treatment, the reflection intensity of the ultrasonic guide puncture needle No.2 with the bowl-shaped recess is obviously improved. The ratio of the reflection intensity S1 for ultrasound-guided lancing with bowl-like depression to the reflection intensity S0 for ultrasound-guided lancing of the same specification without the bowl-like depression (S1/S0) was 2.5.
All documents mentioned in this application are incorporated by reference into this application as if each were individually incorporated by reference. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the above teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims (10)

1. A device for preparing an ultrasonic guide puncture needle is characterized by comprising a clamp for clamping the puncture needle, a stepping motor, a controller, a display and a laser source; the ultrasonic guide puncture needle comprises a needle point guide area, a needle body and a needle tail;
the clamp comprises a needle tail clamp, the needle tail clamp is provided with a cavity for accommodating the needle tail of the ultrasonic guide puncture needle and a retractable clamping jaw, and the clamping jaw is of a retractable type, wherein the needle tail clamp clamps the ultrasonic guide puncture needle when the clamping jaw is in a retracted state, and the ultrasonic guide puncture needle is released when the clamping jaw is in a non-retracted state;
the needle tail clamp is also provided with a connecting rod, the connecting rod is connected with the stepping motor, and the stepping motor leads the ultrasonic guide puncture needle to rotate and move back and forth along the axial direction of the puncture needle through the connecting rod;
the controller is electrically connected with the stepping motor and is used for setting and controlling the rotary motion and the back-and-forth motion of the clamp connected with the stepping motor, so that the section to be processed by laser of the needle point guide area of the ultrasonic guide puncture needle is positioned under the irradiation of the laser beam of the laser source; and
the display is electrically connected with the controller and is used for displaying the position of the section to be laser-processed of the ultrasonic guide puncture needle and the image of the bowl-shaped recess formed by the laser-processed section after laser irradiation.
2. The device of claim 1 wherein said shank holder is further provided with a screw mechanism for tightening or loosening said jaws to tighten said jaws when said screw mechanism is rotated in one direction about the axis of the needle; and when the screw mechanism is rotated in the other, opposite direction about the axis of the needle, the jaws are released.
3. The apparatus of claim 1, wherein the jaws comprise single point gripping jaws, or multi-point gripping jaws, or a combination thereof.
4. The apparatus of claim 1, wherein the needle clip is provided with a plurality of sets of jaws for holding the ultrasound introducer needle at a plurality of locations on the needle tail.
5. The apparatus of claim 1, wherein the needle tail clamp is used to hold an ultrasound guide puncture needle workpiece with an outer diameter of 0.3-3 mm.
6. The apparatus of claim 1, wherein the fixture further comprises an auxiliary fixture disposed at a front end, a middle end, and/or a rear end of the laser machining region of the apparatus.
7. The apparatus of claim 1, wherein the laser beam is an n-spot beam, n being a positive integer from 3 to 9.
8. The apparatus of claim 1, wherein the laser beam has a spot diameter of 0.01mm to 0.5 mm.
9. The device of claim 1, further comprising a camera for obtaining images of the section of the ultrasound guided needle to be laser machined before, during and/or after machining.
10. The apparatus of claim 1, wherein the display comprises an HMI touchscreen.
CN201920095616.XU 2019-01-21 2019-01-21 Device for preparing ultrasonic guide puncture needle Active CN210170134U (en)

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Application Number Priority Date Filing Date Title
CN201920095616.XU CN210170134U (en) 2019-01-21 2019-01-21 Device for preparing ultrasonic guide puncture needle

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Application Number Priority Date Filing Date Title
CN201920095616.XU CN210170134U (en) 2019-01-21 2019-01-21 Device for preparing ultrasonic guide puncture needle

Publications (1)

Publication Number Publication Date
CN210170134U true CN210170134U (en) 2020-03-24

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Country Link
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