Ultrasonic developing puncture needle structure and processing equipment

Abstract

The invention discloses an ultrasonic developing puncture needle structure and processing equipment, and relates to the field of medical treatment. The reflection lines are arranged on the surfaces of the needle tube and the needle tip of the puncture needle, ultrasonic waves can be reflected through the reflection lines, dynamic movement of the needle tube, especially the needle tip, of the puncture needle can be observed in real time through ultrasonic equipment in the nerve blocking process, it is guaranteed that the needle tip accurately reaches a target nerve, and therefore the blocking success rate is increased; the reflection pattern structure is engraved on the surface of the puncture needle through processing equipment, and does not need to be stamped through a stamping die, so that stress borne by the puncture needle during reflection pattern processing is reduced, cracks of the puncture needle due to overlarge stress are prevented, and the phenomenon of liquid leakage after local anesthetic injection in the nerve block process is prevented; the retarding effect is ensured; in addition, when the machining equipment is used for carving the reflection lines on the surface of the puncture needle, the puncture needle is fixedly installed in an internal supporting mode, the installation stability of the puncture needle can be improved, and the slender tubular puncture needle is prevented from deforming in the rotating machining process.

Description

Technical Field

[0001] The present invention belongs to the medical field, and in particular, relates to an ultrasonic imaging puncture needle structure and processing equipment. Background Art

[0002] Nerve block is a relatively mature anesthesia technique. It achieves anesthesia by injecting a certain dose of local anesthetic near the peripheral nerves and nerve endings. It is also often used as part of a combined analgesic technique, often combined with other analgesics and analgesic methods to control the patient's pain. During the nerve block, local anesthetics need to be injected through a puncture needle.

[0003] In order to enable the puncture needle to accurately puncture the target nerve during the nerve block process, patterns are provided on the needle tube and needle tip of the puncture needle so that the needle tube of the puncture needle, especially the dynamic movement of the needle tip, can be observed and tracked in real time by ultrasound equipment. This is the existing ultrasound-guided puncture needle.

[0004] Chinese patent CN101933829B discloses an ultrasonic puncture needle, which performs puncture while observing the puncture state through ultrasonic imaging, and has a needle tube body with a sharp tip at the front end; and a right-angle reflector arranged at a specified position of the needle tube body, the right-angle reflector has a first mirror surface to a third mirror surface, the first mirror surface to the third mirror surface have a bottom point E, the right-angle reflector is arranged on the outer surface of the needle tube body, and the right-angle reflector is formed in the circumferential direction of the needle tube body at a specified interval and in multiple rows. However, the three mirror surfaces formed by this type of ultrasonic guide needle converge at a bottom point, which easily causes the needle tube surface pressure of the guide needle to be concentrated and punctured, so that the production scrap rate of this type of ultrasonic guide needle is increased, and the wall of the ultrasonic guide puncture needle is punctured during the processing process, resulting in leakage of the needle tube during clinical use, and more seriously, the needle tube may be broken, resulting in an increased probability of medical accidents.

[0005] Chinese patent CN215018577U discloses an ultrasound-guided puncture needle, including a needle tube, a concave reflection groove on the surface of the needle tube, and a plurality of reflectors on the inner wall of the reflection groove; the bottom of the reflection groove is a reflective bottom surface, and the bottom of the reflector is connected to the edge of the reflective bottom. The corner position of the conical reflection groove is set to an arc structure, which makes the stamping die not concentrate too much pressure on the needle tube at one point when stamping the needle tube, reducing the possibility of the needle tube being punctured by the stamping die. However, due to the thin wall of the needle tube of the puncture needle, during the stamping process of the needle tube, the stress applied by the stamping die to the needle tube is concentrated at the reflection groove, which still easily causes the needle tube to be cracked and damaged by stamping, resulting in leakage of the needle tube during clinical use, resulting in an increased probability of medical accidents. Summary of the invention

[0006] In view of the problems in the related art, the present invention proposes an ultrasonic imaging puncture needle structure and processing equipment to overcome the above-mentioned technical problems existing in the existing related art.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The invention discloses an ultrasonic imaging puncture needle structure, comprising a needle tube and a needle tip arranged at one end of the needle tube, wherein the surfaces of the needle tube and the needle tip are engraved with reflective patterns by processing equipment.

[0009] Furthermore, the reflective pattern is two spiral patterns arranged on the surface of the needle tube and the needle tip, and the two spiral patterns are distributed in opposite directions and staggered.

[0010] Furthermore, the pitch of the spiral pattern gradually decreases along the needle tube toward the needle tip.

[0011] The present invention also discloses a processing device for an ultrasonic imaging puncture needle structure, comprising an engraving machine, on which a rotary drive component and an engraving component are installed, and on which a loading and unloading mechanism located at one end of the rotary drive component is installed, and on which a locking mechanism is installed;

[0012] When the puncture needle is engraved with reflective patterns, the needle tube is pushed and mounted on the surface of the rotating drive assembly through the loading and unloading mechanism, and then the inner wall of the needle tube is abutted and limited by the locking mechanism so that the needle tube is locked and fixed to the surface of the rotating drive assembly. Thereafter, the needle tube is driven to rotate by the rotating drive assembly, and then the reflective patterns are engraved on the surface of the rotating needle tube by the engraving assembly.

[0013] Furthermore, the rotary drive assembly includes a fixed seat, which is fixedly mounted on the working table of the engraving machine, one end of the fixed seat is rotatably mounted with a rotating shaft, and the other end of the fixed seat is fixedly mounted with a motor transmission-connected to the rotating shaft.

[0014] Furthermore, the loading and unloading mechanism includes a cylinder and a slide rail, the slide rail is fixedly installed on the working table of the engraving machine, a sliding seat is installed on the slide rail, an end plate is fixedly installed on the top surface of the sliding seat, a positioning sleeve is rotatably installed on one end of the end plate, the cylinder is fixedly installed on one end of the slide rail, and the telescopic end of the cylinder is fixedly connected to one end of the end plate.

[0015] Further, the locking mechanism includes a flexible expansion member, a through slot and a rotary joint, the flexible expansion member is arranged in the inner cavity of the rotating shaft, positioning plates are fixedly installed at both ends of the flexible expansion member, the positioning plates are fixedly connected to the inner wall of the rotating shaft, and a plurality of elastic support strips are fixedly installed between the two positioning plates;

[0016] The plurality of elastic support strips are evenly distributed along the outer ring of the flexible expansion member, and the surface of each of the elastic support strips is fixedly mounted with a plurality of evenly distributed limit blocks, and the plurality of through slots are evenly distributed and arranged on the surface of the rotating shaft, and the plurality of limit blocks are respectively slidably mounted in the plurality of through slots;

[0017] The rotary joint is rotatably mounted on one end of the rotating shaft, and the inner ring of the rotary joint is connected to the flexible expansion member through an air guide tube, and the outer ring of the rotary joint is connected to the air source through an external conduit.

[0018] Furthermore, the engraving component includes a translation linear motor fixedly installed above the working table of the engraving machine, a horizontal moving seat is installed on the translation linear motor, a lifting linear motor is fixedly installed on the horizontal moving seat, a lifting linear motor is installed on the lifting linear motor, and a milling cutter is installed on the bottom end of the lifting moving seat.

[0019] Furthermore, a through hole connected to the positioning sleeve is opened on the end plate, a push rod coaxially arranged with the through hole is fixedly installed on the top surface of the cylinder body, and a material receiving box located below the end plate is installed on the working table of the engraving machine.

[0020] Furthermore, a limiting boss abutting against the end of the needle tube is arranged inside the positioning sleeve, and an elastic sleeve located on one side of the limiting boss is fixedly installed inside the positioning sleeve.

[0021] The present invention has the following beneficial effects:

[0022] 1. In the present invention, reflective patterns are arranged on the surfaces of the needle tube and the needle tip of the puncture needle, and ultrasonic waves can be reflected by the reflective patterns, so that the needle tube of the puncture needle, especially the dynamic movement of the needle tip, can be observed in real time by ultrasonic equipment during nerve block, so as to ensure that the needle tip accurately reaches the target nerve, thereby improving the success rate of blockade; and the reflective pattern structure is engraved on the surface of the puncture needle by processing equipment without the need for stamping processing by a stamping die, thereby reducing the stress on the puncture needle during the processing of the reflective pattern, preventing the puncture needle from cracking due to excessive stress, and further preventing leakage of injected local anesthetics during nerve block, thereby ensuring the blocking effect.

[0023] 2. In the present invention, when the reflective pattern is engraved on the surface of the puncture needle by the processing equipment, the puncture needle is mounted on the surface of the rotary drive assembly, and then the inner wall of the needle tube is abutted and limited by the locking mechanism, so that the needle tube is locked and fixed to the surface of the rotary drive assembly. The puncture needle is fixedly installed by means of internal support, which can improve the stability of the installation of the puncture needle, prevent the slender tubular puncture needle from being flexibly deformed during the rotation processing process, ensure the normal processing of the processing, and there is no need to clamp and position the puncture needle during the processing process, so as to prevent the tubular puncture needle from being squeezed and deformed during the clamping process.

[0024] 3. In the present invention, when the puncture needle is engraved with reflective patterns, the needle tube is pushed and sleeved on the surface of the rotating drive component by the loading and unloading mechanism. After the engraving of the puncture needle is completed, the puncture needle is withdrawn from the surface of the rotating drive component by the loading and unloading mechanism, thereby realizing automatic loading and unloading of the puncture needle, making the loading and unloading process of the puncture needle more convenient and quick, and improving the engraving efficiency of the puncture needle; and after completing the loading of the puncture needle, the loading and unloading mechanism abuts against one end of the rotating drive component to limit the end of the rotating drive component to prevent the rotating drive component from causing the puncture needle to swing when rotating, thereby improving the stability of the puncture needle during rotation, and further improving the engraving effect of the puncture needle.

[0025] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, they can also obtain drawings based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the ultrasonic imaging puncture needle of the present invention;

[0028] Figure 2 This is one of the three-dimensional structural schematic diagrams of the ultrasonic imaging puncture needle structure processing equipment of the present invention;

[0029] Figure 3 For the present invention Figure 2 A local enlarged structural schematic diagram;

[0030] Figure 4 For the present invention Figure 2 A schematic diagram of the local enlarged structure at B;

[0031] Figure 5 For the present invention Figure 2 A schematic diagram of the local enlarged structure at C;

[0032] Figure 6 It is a three-dimensional structural schematic diagram of the ultrasonic imaging puncture needle structure processing equipment of the present invention;

[0033] Figure 7 For the present invention Figure 6 A schematic diagram of the local enlarged structure at D;

[0034] Figure 8 This is the second three-dimensional structural schematic diagram of the ultrasonic imaging puncture needle structure processing equipment of the present invention;

[0035] Fig. 9 For the present invention Figure 8 A schematic diagram of the local enlarged structure at E;

[0036] Fig.10 For the present invention Figure 8 Schematic diagram of the local enlarged structure at F.

[0037] In the figure: 1. needle tube; 2. needle tip; 3. reflective pattern; 4. engraving machine; 41. translation linear motor; 42. horizontal moving seat; 43. lifting linear motor; 44. lifting moving seat; 45. milling cutter; 46. motor; 47. fixed seat; 48. rotating shaft; 5. loading and unloading mechanism; 51. positioning sleeve; 52. cylinder; 53. slide rail; 54. sliding seat; 55. end plate; 56. material receiving box; 57. push rod; 58. through hole; 59. limiting boss; 510. elastic sleeve; 6. locking mechanism; 61. flexible expansion member; 62. positioning plate; 63. elastic support strip; 64. through groove; 65. limiting block; 66. air guide tube; 67. rotary joint; 68. external catheter. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the invention.

[0039] In the description of the present invention, it is necessary to understand that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the invention.

[0040] See also Figure 1As shown, the present invention is an ultrasonic imaging puncture needle structure, comprising a needle tube 1 and a needle tip 2 arranged at one end of the needle tube 1, and the surfaces of the needle tube 1 and the needle tip 2 are both engraved with a reflective pattern 3 by a processing device;

[0041] When the puncture needle of the present application is used for nerve block, after the needle tip 2 and the needle tube 1 are inserted into human tissue, when the inserted part of the puncture needle is tracked by an ultrasonic device, the reflective pattern 3 can reflect the ultrasonic wave, thereby cooperating with the ultrasonic device to develop and track the puncture needle, making it convenient for medical staff to observe the needle tube of the puncture needle, especially the dynamic movement of the needle tip, in real time; and the reflective pattern 3 is engraved on the surface of the puncture needle by a processing equipment without the need for stamping processing by a stamping die, thereby reducing the stress on the puncture needle during the processing of the reflective pattern 3, preventing the puncture needle from cracking due to excessive stress, and further preventing leakage after the injection of local anesthetics during nerve block, thereby ensuring the blocking effect.

[0042] See also Figure 1 As shown, in one embodiment, the reflective pattern 3 is two spiral patterns arranged on the surface of the needle tube 1 and the needle tip 2, and the two spiral patterns are staggered in opposite directions, and the spiral patterns are 360° continuous patterns, so that the reflective pattern 3 is 360° arranged on the surface of the puncture needle, so that the puncture needle has a better ultrasonic imaging effect when either side is facing up during puncture, and by setting two spiral patterns with opposite spiral directions, the reflection angle and reflection effect of the spiral pattern can be improved, further improving the ultrasonic imaging effect of the puncture needle.

[0043] See also Figure 1 As shown, in one embodiment, the pitch of the spiral pattern gradually decreases along the needle tube 1 toward the needle tip 2; during the puncture process, the puncture needle mainly needs to track the position of the needle tip 2, and thus relatively dense spiral patterns are arranged on the front end of the needle tube 1 and the needle tip 2, thereby improving the ultrasonic reflection effect of the spiral pattern, and further improving the ultrasonic imaging effect of the needle tip 2. The spiral pattern arranged at the rear end of the needle tube 1 has a large pitch, which can reduce the impact of the spiral pattern processing on the needle tube 1, prevent the needle tube 1 from being damaged or the flexibility reduced due to the processing of the spiral pattern, and ensure that the puncture needle can perform the puncture operation normally.

[0044] See also Figure 1-Figure 5As shown, in one embodiment, a processing device for an ultrasonic imaging puncture needle structure is also disclosed, including an engraving machine 4, on which a rotary drive component and an engraving component are installed, and on which a loading and unloading mechanism 5 located at one end of the rotary drive component is also installed, and on which a locking mechanism 6 is installed; when the puncture needle is engraved with a reflective pattern 3, the loading and unloading mechanism 5 is used to push the needle tube 1 onto the surface of the rotary drive component, and then the inner wall of the needle tube 1 is abutted and limited by the locking mechanism 6, so that the needle tube 1 is locked and fixed to the surface of the rotary drive component, and then the needle tube 1 is driven to rotate by the rotary drive component, and then the reflective pattern 3 is engraved on the surface of the rotating needle tube 1 by the engraving component, and when the engraving of the puncture needle is completed, the puncture needle is withdrawn from the surface of the rotary drive component by the loading and unloading mechanism 5, so that the puncture needle is automatically unloaded;

[0045] When the reflective pattern 3 is engraved on the surface of the puncture needle by the processing equipment in the present invention, the puncture needle is mounted on the surface of the rotating drive assembly, and the inner wall of the needle tube 1 is abutted and limited by the locking mechanism 6, so that the needle tube 1 is locked and fixed on the surface of the rotating drive assembly. The puncture needle is fixedly installed by means of internal support, which can improve the stability of the installation of the puncture needle, prevent the slender tubular puncture needle from being flexibly deformed during the rotation processing process, ensure the normal processing process, improve the processing accuracy of the reflective pattern 3, and prevent the puncture needle from being damaged by engraving due to deformation and dislocation, and there is no need to perform the puncture during the processing. The needle is clamped and positioned to prevent the tubular puncture needle from being squeezed and deformed during the clamping process; when the puncture needle is engraved with the reflective pattern 3, the loading and unloading mechanism 5 can realize automatic loading and unloading of the puncture needle, making the loading and unloading process of the puncture needle more convenient and quick, and improving the engraving efficiency of the puncture needle; and after completing the loading of the puncture needle, the loading and unloading mechanism 5 abuts against one end of the rotary drive component to limit the end of the rotary drive component to prevent the rotary drive component from causing the puncture needle to swing when rotating, thereby improving the stability of the puncture needle during rotation, and thereby improving the engraving effect of the puncture needle.

[0046] See also Figure 2 , Figure 5-Figure 7 As shown, in one embodiment, the rotary drive assembly includes a fixed seat 47, the fixed seat 47 is fixedly mounted on the working table of the engraving machine 4, a rotating shaft 48 is rotatably mounted on one end of the fixed seat 47, and a motor 46 drivingly connected to the rotating shaft 48 is fixedly mounted on the other end of the fixed seat 47;

[0047] Among them, the locking mechanism 6 is installed on the rotating shaft 48. When the puncture needle is engraved, the needle tube 1 is inserted into the surface of the rotating shaft 48 through the loading and unloading mechanism 5, and then the locking mechanism 6 is abutted against the inner side of the needle tube 1 to lock the needle tube 1 on the rotating shaft 48. At the same time, the slender needle tube 1 is internally supported by the rotating shaft 48 and the locking mechanism 6 to improve the stability of the installation of the needle tube 1 and prevent the slender needle tube 1 from being flexibly deformed under the action of the rotating centrifugal force when the subsequent motor 46 drives the rotating shaft 48 and the needle tube 1 to rotate synchronously, thereby improving the stability of the needle tube 1 during rotation.

[0048] See also Figure 2-Figure 7 As shown, in one embodiment, the loading and unloading mechanism 5 includes a cylinder 52 and a slide rail 53, the slide rail 53 is fixedly mounted on the working table of the engraving machine 4, a sliding seat 54 is mounted on the slide rail 53, an end plate 55 is fixedly mounted on the top surface of the sliding seat 54, a positioning sleeve 51 is rotatably mounted on one end of the end plate 55, the cylinder 52 is fixedly mounted on one end of the slide rail 53, and the telescopic end of the cylinder 52 is fixedly connected to one end of the end plate 55;

[0049] When loading the puncture needle, the end of the puncture needle tube 1 opposite to the needle tip 2 is inserted into the positioning sleeve 51, and then the cylinder 52 drives the end plate 55 and the sliding seat 54 to move along the slide rail 53 toward the rotating shaft 48, thereby driving the positioning sleeve 51 and the puncture needle to move toward the rotating shaft 48 until the front ends of the puncture needle and the positioning sleeve 51 are both sleeved on the surface of the rotating shaft 48; accordingly, when the puncture needle needs to be removed after processing, the cylinder 52 drives the end plate 55 and the sliding seat 54 to move and reset along the slide rail 53 away from the rotating shaft 48, thereby driving the positioning sleeve 51 and the puncture needle to gradually move to the right from the rotating shaft 48, so that the positioning sleeve 51 and the puncture needle are removed from the rotating shaft 48, and the unloading of the puncture needle is completed.

[0050] See also Figure 2 , Figure 4-Figure 9As shown, in one embodiment, the locking mechanism 6 includes a flexible expansion member 61, a through slot 64 and a rotary joint 67. The flexible expansion member 61 is arranged in the inner cavity of the rotating shaft 48. Positioning plates 62 are fixedly installed at both ends of the flexible expansion member 61. The positioning plates 62 are fixedly connected to the inner wall of the rotating shaft 48, and a plurality of elastic support strips 63 are fixedly installed between the two positioning plates 62; the plurality of elastic support strips 63 are equidistantly distributed along the outer ring of the flexible expansion member 61, and each of the elastic support strips 63 is equidistantly distributed along the outer ring of the flexible expansion member 61. 3, a plurality of equally spaced stop blocks 65 are fixedly mounted on the surface of the rotating shaft 48, a plurality of through slots 64 are provided, and the plurality of through slots 64 are evenly distributed and arranged on the surface of the rotating shaft 48, and the plurality of stop blocks 65 are slidably mounted in the plurality of through slots 64 respectively; the rotating joint 67 is rotatably mounted on one end of the rotating shaft 48, and the inner ring of the rotating joint 67 is connected to the flexible expansion member 61 through an air guide tube 66, and the outer ring of the rotating joint 67 is connected to the air source through an external conduit 68;

[0051] Among them, the positioning plate 62 is used to position the flexible expansion piece 61 to prevent the flexible expansion piece 61 from moving in the inner cavity of the rotating shaft 48, and the elastic support strip 63 cooperates with the positioning plate 62 to support and limit the limit stop block 65, thereby improving the stability of the installation of the limit stop block 65 and preventing the limit stop block 65 from sliding out of the through groove 64. The rotary joint 67 includes an outer air guide ring connected to the external conduit 68 and an inner air guide ring connected to the air guide tube 66, and the outer air guide ring and the inner air guide ring are rotatably connected and provided with a gas connection channel, and the inner air guide ring is fixedly installed on the rotating shaft 48, so that the connection between the external conduit 68 and the air guide tube 66 inside the rotating shaft 48 is realized through the rotary joint 67; when it is necessary to lock and fix the puncture needle sleeved on the surface of the rotating shaft 48, the gas source supplies gas to the rotary joint 67 through the external conduit 68, and the rotary joint 67 transports the gas to the flexible expansion piece 61 through the air guide tube 66, so that the flexible expansion piece 61 is inflated and expanded. The flexible expansion member 61 is expanded, and during the inflation process, the elastic support strip 63 is squeezed and deformed outwardly, and then the limit stop block 65 on the elastic support strip 63 is moved toward the outer side of the through groove 64, so that the outer end of the limit stop block 65 extends to the outer side of the rotating shaft 48 and abuts against the inner surface of the needle tube 1, thereby locking and fixing the needle tube 1 on the surface of the rotating shaft 48 through the friction resistance between the multiple limit stop blocks 65 and the needle tube 1, so that the subsequent rotation shaft 48 drives the needle tube 1 to rotate; correspondingly, when the puncture needle is engraved, the air source inhales air to the flexible expansion member 61 through the external catheter 68, the rotating joint 67 and the air guide tube 66, so that the flexible expansion member 61 contracts and no longer abuts and deforms the elastic support strip 63 outwardly. At this time, the elastic support strip 63 moves inwardly to reset, thereby driving the limit stop block 65 to slide and shrink inwardly along the through groove 64, so that the limit stop block 65 no longer abuts against the inner side surface of the needle tube 1, so as to release the lock of the puncture needle;

[0052] Furthermore, when the locking mechanism 6 is working, the limiting abutment 65 at the rightmost end of the elastic support strip 63 abuts against the inner circle of the positioning sleeve 51, thereby locking the connection between the rotating shaft 48 and the positioning sleeve 51, so as to support and limit the end of the rotating shaft 48 through the positioning sleeve 51, thereby improving the stability of the rotating shaft 48 and preventing the rotating shaft 48 from swinging when rotating.

[0053] See also Figure 2 , Figure 6 , Figure 7 As shown, in one embodiment, the engraving assembly includes a translation linear motor 41 fixedly installed above the working table of the engraving machine 4, a horizontal moving seat 42 is installed on the translation linear motor 41, a lifting linear motor 43 is fixedly installed on the horizontal moving seat 42, a lifting linear motor 43 is installed on the lifting linear motor 43, a lifting moving seat 44 is installed on the lifting linear motor 43, and a milling cutter 45 is installed at the bottom end of the lifting moving seat 44;

[0054] When the rotating shaft 48 drives the puncture needle to rotate, the lifting linear motor 43 first drives the lifting seat 44 and the milling cutter 45 downward, so that the milling cutter 45 abuts against the surface of the needle tube 1 of the puncture needle, and then the translation linear motor 41 drives the horizontal moving seat 42 to move left, thereby driving the lifting linear motor 43, the lifting seat 44 and the milling cutter 45 to move left, so that the milling cutter 45 moves along the needle tube 1 toward the needle tip 2, thereby engraving and processing the surface of the needle tube 1 and the needle tip 2 to form a reflective pattern 3.

[0055] See also Figure 2 , Figure 3 , Figure 8 , Fig.10 As shown, in one embodiment, a through hole 58 communicating with the positioning sleeve 51 is opened on the end plate 55, a push rod 57 coaxially arranged with the through hole 58 is fixedly installed on the top surface of the cylinder body of the cylinder 52, and a receiving box 56 located below the end plate 55 is installed on the working table of the engraving machine 4;

[0056] When the puncture needle engraving process is completed, the cylinder 52 drives the positioning sleeve 51 and the puncture needle to move to the right. As the positioning sleeve 51 continues to move to the right, the push rod 57 is inserted into the interior of the positioning sleeve 51 from the through hole 58, and the puncture needle is pushed to the left from the positioning sleeve 51, thereby pushing the puncture needle from the positioning sleeve 51 to the receiving box 56 below, thereby realizing automatic unloading and recovery of the puncture needle, making the unloading and recovery process of the puncture needle more convenient and quick. After the puncture needle is unloaded, the positioning sleeve 51 is driven by the cylinder 52 to move a distance to the left, so that the push rod 57 is retracted to the right side of the opening of the positioning sleeve 51, which will not hinder the new puncture needle from being inserted and fixed on the positioning sleeve 51, thereby facilitating the continuous installation and processing of the puncture needle.

[0057] See also Figure 2 , Figure 4 As shown, in one embodiment, a limiting boss 59 abutting against the end of the needle tube 1 is provided inside the positioning sleeve 51, and an elastic sleeve 510 located on one side of the limiting boss 59 is fixedly installed inside the positioning sleeve 51;

[0058] When the needle tube 1 of the puncture needle is inserted into the positioning sleeve 51, the elastic sleeve 510 is elastically sleeved on the outer edge surface of the needle tube 1, thereby improving the stability of the needle tube 1 in the positioning sleeve 51 and preventing the needle tube 1 from falling out of the positioning sleeve 51. During insertion, the end of the needle tube 1 abuts against the limiting boss 59 to limit the needle tube 1 through the limiting boss 59, making the insertion position of the needle tube 1 more precise and preventing the needle tube 1 from being over-inserted into the positioning sleeve 51.

[0059] Specific working principle:

[0060] Insert the end of the puncture needle tube 1 opposite to the needle tip 2 into the positioning sleeve 51, and then drive the end plate 55 and the sliding seat 54 to move along the slide rail 53 toward the rotating shaft 48 through the cylinder 52, thereby driving the positioning sleeve 51 and the puncture needle to move toward the rotating shaft 48 until the front ends of the puncture needle and the positioning sleeve 51 are both sleeved on the surface of the rotating shaft 48;

[0061] The gas source supplies gas to the rotary joint 67 through the external conduit 68, and the rotary joint 67 conveys the gas to the flexible expansion member 61 through the air guide tube 66, so that the flexible expansion member 61 is inflated. During the inflation process, the flexible expansion member 61 squeezes the elastic support strip 63 outward to deform, and then moves the limit stopper 65 on the elastic support strip 63 toward the outer side of the through groove 64, so that the outer end of the limit stopper 65 extends to the outer side of the rotating shaft 48 and abuts against the inner surface of the needle tube 1, so that the needle tube 1 is locked and fixed on the surface of the rotating shaft 48 through the friction resistance between the multiple limit stoppers 65 and the needle tube 1;

[0062] The motor 46 drives the rotating shaft 48 and the needle tube 1 to rotate synchronously, and then the lifting linear motor 43 drives the lifting movable seat 44 and the milling cutter 45 downward, so that the milling cutter 45 abuts against the surface of the needle tube 1 of the puncture needle, and then the translation linear motor 41 drives the horizontal movable seat 42 to move leftward, thereby driving the lifting linear motor 43, the lifting movable seat 44 and the milling cutter 45 to move leftward, so that the milling cutter 45 moves along the needle tube 1 toward the needle tip 2, thereby engraving and processing the surface of the needle tube 1 and the needle tip 2 to form a reflective pattern 3;

[0063] When the puncture needle is engraved, the air source inhales the flexible expansion member 61 through the external conduit 68, the rotary joint 67 and the air guide tube 66, so that the flexible expansion member 61 contracts and no longer deforms the elastic support strip 63 outwardly. At this time, the elastic support strip 63 moves inward to reset, thereby driving the limit stop block 65 to slide inward along the through groove 64 and contract, so that the limit stop block 65 no longer abuts against the inner side of the needle tube 1, so as to release the lock of the puncture needle;

[0064] The cylinder 52 drives the end plate 55 and the sliding seat 54 to move and reset along the slide rail 53 away from the rotating shaft 48, thereby driving the positioning sleeve 51 and the puncture needle to gradually move to the right from the rotating shaft 48, so that the positioning sleeve 51 and the puncture needle are removed from the rotating shaft 48. As the positioning sleeve 51 continues to move to the right, the push rod 57 is inserted into the interior of the positioning sleeve 51 from the through hole 58, and pushes the puncture needle to the left from the positioning sleeve 51, thereby pushing the puncture needle from the positioning sleeve 51 to fall into the receiving box 56 below, thereby realizing automatic unloading and recovery of the puncture needle.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The preferred embodiments of the invention disclosed above are only used to help explain the invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the invention, so that those skilled in the art can understand and use the invention well.

Claims

1. An ultrasonic imaging puncture needle structure, comprising a needle tube (1) and a needle tip (2) arranged at one end of the needle tube (1), characterized in that: The surfaces of the needle tube (1) and the needle tip (2) are both engraved with reflective patterns (3) by processing equipment.

2. The ultrasonic imaging puncture needle structure according to claim 1, characterized in that: The reflective pattern (3) is two spiral patterns arranged on the surface of the needle tube (1) and the needle tip (2), and the two spiral patterns are distributed in opposite directions and staggered.

3. The ultrasonic imaging puncture needle structure according to claim 2, characterized in that: The pitch of the spiral pattern gradually decreases along the needle tube (1) towards the needle tip (2).

4. A processing device for an ultrasound imaging puncture needle structure according to any one of claims 1 to 3, characterized in that: The engraving machine (4) comprises a rotary drive assembly and an engraving assembly installed on the engraving machine (4), a loading and unloading mechanism (5) located at one end of the rotary drive assembly installed on the engraving machine (4), and a locking mechanism (6) installed on the rotary drive assembly; When the puncture needle is engraved with a reflective pattern (3), the needle tube (1) is pushed and mounted on the surface of the rotating drive component by the loading and unloading mechanism (5), and then the inner wall of the needle tube (1) is abutted and limited by the locking mechanism (6) so that the needle tube (1) is locked and fixed on the surface of the rotating drive component. Thereafter, the needle tube (1) is driven to rotate by the rotating drive component, and then the reflective pattern (3) is engraved on the surface of the rotating needle tube (1) by the engraving component.

5. The processing equipment for ultrasonic imaging puncture needle structure according to claim 4, characterized in that: The rotary drive assembly comprises a fixed seat (47), the fixed seat (47) is fixedly mounted on the working table of the engraving machine (4), a rotating shaft (48) is rotatably mounted on one end of the fixed seat (47), and a motor (46) drivingly connected to the rotating shaft (48) is fixedly mounted on the other end of the fixed seat (47).

6. The processing equipment for ultrasonic imaging puncture needle structure according to claim 4, characterized in that: The loading and unloading mechanism (5) comprises a cylinder (52) and a slide rail (53); the slide rail (53) is fixedly mounted on the working table of the engraving machine (4); a sliding seat (54) is mounted on the slide rail (53); an end plate (55) is fixedly mounted on the top surface of the sliding seat (54); a positioning sleeve (51) is rotatably mounted on one end of the end plate (55); the cylinder (52) is fixedly mounted on one end of the slide rail (53); and the telescopic end of the cylinder (52) is fixedly connected to one end of the end plate (55).

7. The processing equipment for ultrasonic imaging puncture needle structure according to claim 5, characterized in that: The locking mechanism (6) comprises a flexible expansion member (61), a through slot (64) and a rotary joint (67); the flexible expansion member (61) is arranged in the inner cavity of the rotating shaft (48); positioning plates (62) are fixedly installed at both ends of the flexible expansion member (61); the positioning plates (62) are fixedly connected to the inner wall of the rotating shaft (48); and a plurality of elastic support strips (63) are fixedly installed between the two positioning plates (62); The plurality of elastic support strips (63) are evenly distributed along the outer ring of the flexible expansion member (61); the surface of each elastic support strip (63) is fixedly mounted with a plurality of evenly distributed limiting blocks (65); a plurality of through slots (64) are provided; the plurality of through slots (64) are evenly distributed and arranged on the surface of the rotating shaft (48); and the plurality of limiting blocks (65) are respectively slidably mounted in the plurality of through slots (64); The rotary joint (67) is rotatably mounted on one end of the rotating shaft (48), and the inner ring of the rotary joint (67) is connected to the flexible expansion member (61) via an air guide tube (66), and the outer ring of the rotary joint (67) is connected to the air source via an external conduit (68).

8. The processing equipment for ultrasonic imaging puncture needle structure according to claim 4, characterized in that: The engraving assembly comprises a translation linear motor (41) fixedly mounted above a working table of an engraving machine (4); a horizontal moving seat (42) is installed on the translation linear motor (41); a lifting linear motor (43) is fixedly mounted on the horizontal moving seat (42); a lifting moving seat (44) is installed on the lifting linear motor (43); and a milling cutter (45) is installed at the bottom end of the lifting moving seat (44).

9. The processing equipment for ultrasonic imaging puncture needle structure according to claim 6, characterized in that: The end plate (55) is provided with a through hole (58) communicating with the positioning sleeve (51); a push rod (57) coaxially arranged with the through hole (58) is fixedly mounted on the top surface of the cylinder body of the air cylinder (52); and a material receiving box (56) located below the end plate (55) is mounted on the working table of the engraving machine (4).

10. The processing equipment for ultrasonic imaging puncture needle structure according to claim 6, characterized in that: The positioning sleeve (51) is provided with a limiting boss (59) abutting against the end of the needle tube (1), and an elastic sleeve (510) located on one side of the limiting boss (59) is fixedly installed inside the positioning sleeve (51).

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