WO2023160468A1 - 超声探头旋转装置 - Google Patents
超声探头旋转装置 Download PDFInfo
- Publication number
- WO2023160468A1 WO2023160468A1 PCT/CN2023/076713 CN2023076713W WO2023160468A1 WO 2023160468 A1 WO2023160468 A1 WO 2023160468A1 CN 2023076713 W CN2023076713 W CN 2023076713W WO 2023160468 A1 WO2023160468 A1 WO 2023160468A1
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- WIPO (PCT)
- Prior art keywords
- docking
- ultrasonic probe
- inner core
- butt joint
- rotating
- Prior art date
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- 239000000523 sample Substances 0.000 title claims abstract description 36
- 238000003032 molecular docking Methods 0.000 claims description 91
- 210000001503 joint Anatomy 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Definitions
- the invention relates to the technical field of medical instruments, in particular to an ultrasonic probe rotating device.
- Ultrasound devices especially fiber-type ultrasonic endoscopes, have a slender structure, so that the ultrasonic transducer fixed at one end of the ultrasonic probe can go deep into the deeper parts of the human body; in addition, the ultrasonic transducer communicates with the The drive at the other end of the ultrasound probe is connected to the imaging system. Driven by an external motor, the ultrasound transducer can rotate freely in the ultrasound probe to generate a circular or cross-sectional image of the tissue section in the vertical axis. It can be seen that the device for driving the ultrasonic transducer to rotate freely and returning the sensing signal generated by the ultrasonic transducer has a great influence on the imaging quality.
- the rotating components commonly used in ultrasonic probes in the prior art are usually formed by butting different components along the radial direction, as shown in Figure 1, the first docking part 1 and the second docking part of an ultrasonic probe rotating component in the prior art 2, in the docking process, the two poles of the first docking part 1 and the two poles of the second docking part 2 need to be staggered and corresponded.
- the first docking part 1 and the second docking part 2 pass through The two struts are interlaced for transmission.
- the rotating assembly needs to be used under high-speed rotation, long-term use may easily cause some components in the rotating assembly to slip and rotate and separate.
- the purpose of the present invention is to provide a rotating device for an ultrasonic probe, which is convenient for quick installation and docking, and avoids rotation separation.
- the ultrasonic probe rotating device of the present invention includes:
- the first butt joint part includes a first butt joint and a mandrel sleeve surrounding the first butt joint, one end of the mandrel sleeve is provided with a number of limiting slots, and the top end of the adjacent limiting slot is formed by
- the guide surface is connected, and the guide surface is inclined to the axis of the mandrel sleeve;
- the second butt joint includes a second butt joint and a rotating inner core surrounding the second butt joint, the second butt joint is adapted to the first butt joint, and the rotating inner core is connected to the core
- One end of the shaft sleeve is arranged oppositely;
- the end of the rotating inner core moves toward the limiting groove after contacting the guiding surface and is locked in the limiting groove.
- the beneficial effect of the ultrasonic probe rotating device of the present invention is that: one end of the mandrel sleeve of the first docking part is provided with a plurality of limiting grooves, and the top ends of the adjacent limiting grooves are connected by a guide surface, and the first During the rotation of the rotating inner core of the two docking parts, since the guide surface is inclined to the axis of the mandrel sleeve, the end of the rotating inner core moves toward the limiting groove after contacting the guiding surface and Locked in the limit slot, so as to facilitate fast installation and docking, and avoid rotation separation.
- the end of the rotating inner core includes at least two protrusions, and the at least two protrusions move toward the limiting groove after contacting the guide surface and are locked in the limiting groove .
- the number of the limiting grooves is not less than the number of the protrusions.
- the guide surfaces between adjacent limiting grooves extend in a direction away from the axis of the mandrel sleeve.
- the two guide surfaces connected to the same limiting groove are mirror images of each other.
- each of the limiting slots includes opposite first side walls and second side walls, the height of the first side walls is greater than the height of the second side walls, and one end of the guide surface is adjacent to A limit in the limit slot
- the first side walls of the positioning slots meet, and the other end meets the second side wall of another limiting slot in the adjacent limiting slots.
- the second docking portion further includes a socket sleeve surrounding the rotating inner core, and the inner diameter of the socket sleeve is adapted to the outer diameter of the mandrel sleeve.
- the ultrasonic probe rotation device further includes a locking part and a triggering part, the locking part is arranged on the outer wall of the first docking part, the triggering part is arranged on the outer wall of the second docking part, and the first docking part During the docking process of the first docking part and the second docking part, the trigger part acts on the locking part and is stuck on the locking part.
- the locking part includes an L-shaped channel and a movable lock structure, one end of the L-shaped channel is arranged on one end of the outer wall of the first docking part to form an open end, and the other end is connected to the movable lock structure
- the width of the L-shaped channel allows the trigger part to pass through and perform relative movement.
- the inner diameter of the first docking portion is equivalent to the outer diameter of the second docking portion, so that after the first docking portion and the second docking portion are docked, the first docking portion A part of the outer wall is attached to a part of the outer wall of the second docking portion.
- an elastic ring is sheathed on the outer wall of the second docking portion, so as to realize the sealing function between the first docking portion and the second docking portion.
- the ultrasonic probe rotating device further includes a rotating drive part electrically contacting the rotating inner core.
- Fig. 1 is a structural schematic diagram of a first docking part and a second docking part of an ultrasonic probe rotating assembly in the prior art
- Fig. 2 is a schematic structural diagram of a first docking part according to an embodiment of the present invention.
- Fig. 3 is a schematic structural diagram of a second docking part according to an embodiment of the present invention.
- Fig. 4 is a schematic structural diagram of another second docking part according to an embodiment of the present invention.
- Fig. 5 is a structural schematic diagram of another first docking part of the present invention.
- Fig. 6 is a schematic structural diagram of an ultrasonic probe rotating device according to an embodiment of the present invention.
- An embodiment of the present invention provides a rotating device for an ultrasonic probe, which facilitates fast installation and docking, and avoids rotational separation.
- the ultrasonic probe rotating device includes a first docking part and a second docking part.
- Fig. 2 is a schematic structural diagram of a first docking portion according to an embodiment of the present invention.
- the first butt joint 1 includes a first butt joint 11 and a mandrel sleeve 12 surrounding the first butt joint 11, one end of the mandrel sleeve 12 is provided with a number of limiting grooves 13, corresponding to Top ends adjacent to the limiting groove 13 are connected by a guide surface 14 , and the guide surface 14 is inclined to the axis 121 of the mandrel sleeve 12 .
- the guide surfaces 14 between adjacent limiting grooves 13 extend in a direction away from the axis 121 of the mandrel sleeve 12 .
- the two guide surfaces 14 connected to the same limiting groove 13 namely, the first guide surface 141 and the second guide surface 142 are mirror images of each other.
- Fig. 3 is a schematic structural diagram of a second docking portion according to an embodiment of the present invention.
- Fig. 4 is a schematic structural diagram of another second docking portion according to an embodiment of the present invention.
- the second docking part 2 includes a second butt joint 21 and surrounds the second butt joint
- the rotating inner core 22 of the joint 21 , the second butt joint 21 is adapted to the first butt joint 11 , and the rotating inner core 22 is arranged correspondingly to one end of the mandrel sleeve 12 .
- the outer diameter of the second butt joint 21 is equivalent to the inner diameter of the first butt joint 11 to achieve matching.
- the end portion of the rotating inner core 22 includes a first protrusion 221 and a second protrusion 222 .
- the first protruding portion 221 and the second protruding portion 222 contact the first butt joint 21 .
- the first guiding surface 141 and the second guiding surface 142 respectively slide towards the adjacent limiting grooves 13 and are respectively defined by the limiting grooves 13 .
- the number of protrusions at the end of the rotating inner core 22 is at least two.
- the number of the limiting slots 13 is not less than the number of the protrusions.
- the second docking portion 2 further includes a socket sleeve 25 surrounding the rotating inner core 22 , the inner diameter of the socket sleeve 25 is the same as that of the mandrel sleeve 12 .
- the outer diameters are adapted so that the inner wall of the socket sleeve 25 can fit the outer wall of the mandrel sleeve 12 to enhance the sealing performance of the ultrasonic probe rotating device and reduce the interference of external signals.
- Fig. 5 is a schematic structural diagram of another first docking part of the present invention.
- the ultrasonic probe rotation device includes a first docking portion and a second docking portion.
- the first butt joint includes a first butt joint and a mandrel sleeve surrounding the first butt joint, one end of the mandrel sleeve is provided with a number of limiting grooves, and The top ends are connected by guide surfaces.
- the second docking part, the second docking part is docked with the first docking part
- the second docking part includes a second butt joint and a rotating inner core surrounding the second butt joint, the second docking
- the joint is adapted to the first butt joint
- the rotating inner core is arranged opposite to one end of the mandrel sleeve; during the rotation of the rotating inner core, the end of the rotating inner core first meets the The guide surface contacts to form a plurality of unlocked positions, and then moves toward the limiting groove and finally locked in the limiting groove to form a locked position, so that the first docking part and the second docking part are docked locking.
- first guide surfaces 41 top ends of adjacent first limiting grooves 42 and second limiting grooves 43 are connected by first guide surfaces 41 .
- the height of the first side wall 421 of the first limiting groove is greater than the height of the second side wall 422 of the oppositely arranged first limiting groove
- the second limiting groove In the slot 43 the height of the first side wall 431 of the second limiting slot is greater than the height of the second side wall 432 of the opposite second limiting slot.
- the height of the four side walls refers to the height of the four side walls along the extension direction of the axis 121 of the mandrel sleeve 12 .
- One end of the first guiding surface 41 meets the second sidewall 422 of the first limiting groove, and the other end meets the first sidewall 431 of the second limiting groove.
- Fig. 6 is a schematic structural diagram of an ultrasonic probe rotating device according to an embodiment of the present invention.
- the ultrasonic probe rotation device shown in FIG. 6 also includes a trigger part 23, and a V-shaped lock structure 53, an elastic member 54 and an L-shaped groove 52, and is arranged on the outer wall of the first docking part 1. lock section.
- the V-shaped lock structure 53 and the elastic member 54 constitute a movable lock structure.
- the trigger part 23 is arranged on the outer wall of the second docking part 2, and during the docking process of the first docking part 1 and the second docking part 2, the trigger part 23 acts on the locking part (in the figure not marked) and locked in the locking part (not marked in the figure).
- one end of the L-shaped channel 52 is disposed on one end of the outer wall of the first docking portion 1 to form an open end, and the other end is connected to the movable lock structure (not shown in the figure).
- the V-shaped lock structure 53 is provided correspondingly, and the width of the L-shaped channel 52 allows the trigger part 23 to pass through and perform relative movement.
- the V-shaped lock structure 53 is movably disposed on the outer wall of the first docking portion 1 and is movably contacted with the elastic member 54 .
- the triggering part 23 moves toward the V-shaped lock structure 53 through the L-shaped channel 52 , and is restricted inside the V-shaped lock structure 53 by the V-shaped lock structure 53 and the elastic member 54 In the space, the locking between the first docking part 1 and the second docking part 2 is realized.
- the inner diameter of the first docking portion 1 is equivalent to the outer diameter of the second docking portion 1, so that after the first docking portion 1 and the second docking portion 2 are docked, the A part of the outer wall of the first docking part 1 is attached to a part of the outer wall of the second docking part 2 .
- an elastic ring 24 is sheathed on the outer wall of the second docking portion 2 to realize the sealing effect between the first docking portion 1 and the second docking portion 2 .
- the ultrasonic probe rotating device further includes a rotation driving part electrically contacting the rotating inner core 22 to drive the rotating inner core 22 to rotate at a high speed.
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Abstract
一种超声探头旋转装置，包括第一对接部（1）和第二对接部（2），第一对接部（1）的芯轴套（12）一端部设置有若干限位槽（13，42，43），相邻限位槽（13，42，43）的顶端由导向面（14，41）连接，第二对接部（2）的旋转内芯（22）旋转的过程中，由于导向面（14，41）倾斜于芯轴套（12）的轴线（121），旋转内芯（22）的端部与导向面（14，41）接触后朝向限位槽（13，42，43）移动并锁定于限位槽（13，42，43）内，以便于快速安装对接，并避免了发生旋转分离。
Description
本申请要求于2022年2月22日提交中国专利局、申请号为CN202220360034.1、发明名称为“超声探头旋转装置”的中国专利申请的优先权。
本发明涉及医疗器械技术领域，尤其涉及超声探头旋转装置。
超声装置，特别是纤维式超声内窥镜，其具有细长的结构，使得固定在超声探头一端的超声换能器能够深入人体内部较深的部位；另外，超声换能器通过同轴电缆与超声探头另一端的驱动以及成像系统连接，在外部的马达驱动下，超声换能器能够在超声探头内自由旋转，以产生垂直轴向的组织截面环形影像或剖面影像。可见，驱动所述超声换能器进行自由旋转以及回传超声换能器产生的传感信号的装置对成像质量具有较大的影响。
现有技术中超声探头常用的旋转组件通常由不同的组件沿径向方向对接而成，如图1所示现有技术中的一种超声探头旋转组件的第一对接部1与第二对接部2的结构图，在对接过程中需要将第一对接部1的两个支杆与第二对接部2的两个支杆交错对应，转动时，第一对接部1与第二对接部2通过两个支杆交错进行传动，然而由于旋转组件需要在高速旋转下使用，长期使用容易造成旋转组件中部分组件的滑脱并发生旋转分离现象。
因此，有必要设计一种新型的超声探头旋转装置以避免现有技术中存在的上述问题。
发明内容
本发明的目的在于提供一种超声探头旋转装置，以利于快速安装对接，并避免发生旋转分离。
为实现上述目的，本发明的所述超声探头旋转装置包括：
第一对接部，包括第一对接接头和围设于所述第一对接接头的芯轴套，所述芯轴套的一端部设置有若干限位槽，相邻所述限位槽的顶端由导向面连接，所述导向面倾斜于所述芯轴套的轴线；
第二对接部，包括第二对接接头和围设于所述第二对接接头的旋转内芯，所述第二对接接头与所述第一对接接头适配，所述旋转内芯与所述芯轴套的一端部相对设置；
所述旋转内芯旋转的过程中，所述旋转内芯的端部与所述导向面接触后朝向所述限位槽移动并锁定于所述限位槽内。
本发明的所述超声探头旋转装置的有益效果在于：所述第一对接部的芯轴套一端部设置有若干限位槽，相邻所述限位槽的顶端由导向面连接，所述第二对接部的旋转内芯旋转的过程中，由于所述导向面倾斜于所述芯轴套的轴线，所述旋转内芯的端部与所述导向面接触后朝向所述限位槽移动并锁定于所述限位槽内，以便于快速安装对接，并避免了发生旋转分离。
优选的，所述旋转内芯的端部包括至少两个凸起部，所述至少两个凸起部与所述导向面接触后朝向所述限位槽移动并锁定于所述限位槽内。
进一步优选的，所述限位槽的数目不少于所述凸起部的数目。
优选的，相邻所述限位槽之间的所述导向面沿远离所述芯轴套轴线的方向延伸。
进一步优选的，同一所述限位槽所连接的两个所述导向面互为镜像。
优选的，每个所述限位槽包括相对的第一侧壁和第二侧壁，所述第一侧壁的高度大于所述第二侧壁的高度，所述导向面的一端与相邻所述限位槽中一个限
位槽的第一侧壁交汇，另一端与相邻所述限位槽中另一个限位槽的第二侧壁交汇。
优选的，所述第二对接部还包括围设于所述旋转内芯的插座套，所述插座套的内径与所述芯轴套的外径相适应。
优选的，所述超声探头旋转装置还包括锁定部和触发部，所述锁定部设置于所述第一对接部外壁，所述触发部设置于所述第二对接部外壁，所述第一对接部和所述第二对接部对接过程中，所述触发部作用于所述锁定部并卡设于所述锁定部。
进一步优选的，所述锁定部包括L型槽道和活动锁结构，所述L型槽道的一端设置于所述第一对接部外壁的一端以构成开口端，另一端与所述活动锁结构对应设置，所述L型槽道的宽度允许所述触发部通过并进行相对运动。
进一步优选的，所述第一对接部的内径与所述第二对接部的外径相当，以在所述第一对接部和所述第二对接部实现对接后，所述第一对接部的部分外壁与所述第二对接部的部分外壁贴合。
进一步优选的，所述第二对接部外壁套设有弹性圈，以实现所述第一对接部和所述第二对接部之间的密封作用。
优选的，所述超声探头旋转装置还包括电接触所述旋转内芯的旋转驱动部。
图1为现有技术中一种超声探头旋转组件的第一对接部与第二对接部的结构示意图；
图2为本发明实施例的一种第一对接部的结构示意图；
图3为本发明实施例的一种第二对接部的结构示意图；
图4为本发明实施例的另一种第二对接部的结构示意图；
图5为本发明另一种第一对接部的结构示意图；
图6为本发明实施例的一种超声探头旋转装置的结构示意图。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。除非另外定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本文中使用的“包括”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。
本发明实施例提供了一种超声探头旋转装置，以利于快速安装对接，并避免发生旋转分离。
本发明实施例的所述超声探头旋转装置包括第一对接部和第二对接部。
图2为本发明实施例的一种第一对接部的结构示意图。
参照图2，第一对接部1包括第一对接接头11和围设于所述第一对接接头11的芯轴套12，所述芯轴套12的一端部设置有若干限位槽13，相邻所述限位槽13的顶端由导向面14连接，所述导向面14倾斜于所述芯轴套12的轴线121。
一些实施例中，参照图2，相邻所述限位槽13之间的所述导向面14沿远离所述芯轴套12轴线121的方向延伸。
一些实施例中，参照图2，同一所述限位槽13所连接的两个所述导向面14，即第一导向面141和第二导向面142互为镜像。
图3为本发明实施例的一种第二对接部的结构示意图。图4为本发明实施例的另一种第二对接部的结构示意图。
参照图2至图4，第二对接部2包括第二对接接头21和围设于所述第二对接
接头21的旋转内芯22，所述第二对接接头21与所述第一对接接头11适配，所述旋转内芯22与所述芯轴套12的一端部对应设置。
一些实施例中，所述第二对接接头21的外径与所述第一对接接头11的内径相当，以实现适配。
一些实施例中，所述旋转内芯22旋转以及所述第二对接接头21和所述第一对接接头11适配的过程中，由于所导向面14倾斜于所述芯轴套12的轴线121，所述旋转内芯22的端部与所述导向面14接触后朝向所述限位槽13移动并锁定于所述限位槽13内，以便于快速安装对接，并避免了发生旋转分离。
一些实施例中，参照图2至图4，所述旋转内芯22的端部包括第一凸起部221和第二凸起部222。所述旋转内芯22旋转以及所述第二对接接头21和所述第一对接接头11适配的过程中，所述第一凸起部221和所述第二凸起部222接触所述第一导向面141和所述第二导向面142后分别朝向相邻的所述限位槽13滑动，并分别为所述限位槽13所限定。
一些实施例中，所述旋转内芯22端部的凸起部数目至少为2。
一些实施例中，所述限位槽13的数目不少于所述凸起部的数目。
一些实施例中，参照图2和图3，所述第二对接部2还包括围设于所述旋转内芯22的插座套25，所述插座套25的内径与所述芯轴套12的外径相适应，使所述插座套25的内壁能够与所述芯轴套12的外壁贴合以加强对所述超声探头旋转装置的密封性能，减少外界信号的干扰。
图5为本发明另一种第一对接部的结构示意图。
如图5，在本发明的实施例中，所述超声探头旋转装置包括第一对接部和第二对接部。所述第一对接部，包括第一对接接头和围设于所述第一对接接头的芯轴套，所述芯轴套的一端部设置有若干限位槽，相邻所述限位槽的顶端由导向面连接。第二对接部，所述第二对接部与所述第一对接部对接，所述第二对接部包括第二对接接头和围设于所述第二对接接头的旋转内芯，所述第二对接
接头与所述第一对接接头适配，所述旋转内芯与所述芯轴套的一端部相对设置；在所述旋转内芯旋转的过程中，所述旋转内芯的端部先与所述导向面接触形成多个未锁止位置，之后朝向所述限位槽移动并最终锁定于所述限位槽内形成锁止位置，从而使得所述第一对接部与第二对接部进行对接锁定。
参照图2和图5，图5所示的四个限位槽中，相邻的第一限位槽42的顶端和第二限位槽43的顶端通过第一导向面41连接。具体的，所述第一限位槽42中，第一限位槽的第一侧壁421的高度大于相对设置的第一限位槽的第二侧壁422的高度，所述第二限位槽43中，第二限位槽的第一侧壁431的高度大于相对设置的第二限位槽的第二侧壁432的高度。这四个侧壁的高度指这四个侧壁沿所述芯轴套12的轴线121延伸方向的高度。所述第一导向面41的一端与第一限位槽的第二侧壁422交汇，另一端与第二限位槽的第一侧壁431交汇。
图6为本发明实施例的一种超声探头旋转装置的结构示意图。
参照图6，图6所示的超声探头旋转装置还包括触发部23，以及由V型锁结构53、弹性件54和L型槽道52构成，并设置于所述第一对接部1外壁的锁定部。所述V型锁结构53和所述弹性件54构成了活动锁结构。所述触发部23设置于所述第二对接部2的外壁，所述第一对接部1和所述第二对接部2对接过程中，所述触发部23作用于所述锁定部(图中未标示)并卡设于所述锁定部(图中未标示)。
一些实施例中，参照图6，所述L型槽道52的一端设置于所述第一对接部1外壁的一端以构成开口端，另一端与所述活动锁结构(图中未标示)中的所述V型锁结构53对应设置，所述L型槽道52的宽度允许所述触发部23通过并进行相对运动。所述V型锁结构53活动设置于所述第一对接部1外壁并与所述弹性件54活动抵接。所述触发部23通过所述L型槽道52朝向所述V型锁结构53运动，被所述V型锁结构53和所述弹性件54限制在所述V型锁结构53所围的内部空间内，从而实现了所述第一对接部1和所述第二对接部2之间的锁定。
一些实施例中，所述第一对接部1的内径与所述第二对接部1的外径相当，以在所述第一对接部1和所述第二对接部2实现对接后，所述第一对接部1的部分外壁与所述第二对接部2的部分外壁贴合。
一些实施例中，参照图3，所述第二对接部2外壁套设有弹性圈24，以实现所述第一对接部1和所述第二对接部2之间的密封作用。
一些实施例中，所述超声探头旋转装置还包括电接触所述旋转内芯22的旋转驱动部，以带动所述旋转内芯22的高速旋转。
虽然在上文中详细说明了本发明的实施方式，但是对于本领域的技术人员来说显而易见的是，能够对这些实施方式进行各种修改和变化。但是，应理解，这种修改和变化都属于权利要求书中所述的本发明的范围和精神之内。而且，在此说明的本发明可有其它的实施方式，并且可通过多种方式实施或实现。
Claims (12)
- 一种超声探头旋转装置，其特征在于，包括：第一对接部，包括第一对接接头和围设于所述第一对接接头的芯轴套，所述芯轴套的一端部设置有若干限位槽，相邻所述限位槽的顶端由导向面连接，所述导向面倾斜于所述芯轴套的轴线；第二对接部，所述第二对接部与所述第一对接部对接，所述第二对接部包括第二对接接头和围设于所述第二对接接头的旋转内芯，所述第二对接接头与所述第一对接接头适配，所述旋转内芯与所述芯轴套的一端部相对设置；所述旋转内芯旋转的过程中，所述旋转内芯的端部与所述导向面接触后朝向所述限位槽移动并锁定于所述限位槽内。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，所述旋转内芯的端部包括至少两个凸起部，所述至少两个凸起部与所述导向面接触后朝向所述限位槽移动并锁定于所述限位槽内。
- 根据权利要求2所述的超声探头旋转装置，其特征在于，所述限位槽的数目不少于所述凸起部的数目。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，相邻所述限位槽之间的所述导向面沿远离所述芯轴套轴线的方向延伸。
- 根据权利要求4所述的超声探头旋转装置，其特征在于，同一所述限位槽所连接的两个所述导向面互为镜像。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，每个所述限位槽包括相对的第一侧壁和第二侧壁，所述第一侧壁的高度大于所述第二侧壁的高度，所述导向面的一端与相邻所述限位槽中一个限位槽的第一侧壁交汇，另一端与相邻所述限位槽中另一个限位槽的第二侧壁交汇。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，所述第二对接部还 包括围设于所述旋转内芯的插座套，所述插座套的内径与所述芯轴套的外径相适应。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，还包括锁定部和触发部，所述锁定部设置于所述第一对接部外壁，所述触发部设置于所述第二对接部外壁，所述第一对接部和所述第二对接部对接过程中，所述触发部作用于所述锁定部并卡设于所述锁定部。
- 根据权利要求8所述的超声探头旋转装置，其特征在于，所述锁定部包括L型槽道和活动锁结构，所述L型槽道的一端设置于所述第一对接部外壁的一端以构成开口端，另一端与所述活动锁结构对应设置，所述L型槽道的宽度允许所述触发部通过并进行相对运动。
- 根据权利要求8所述的超声探头旋转装置，其特征在于，所述第一对接部的内径与所述第二对接部的外径相当，以在所述第一对接部和所述第二对接部实现对接后，所述第一对接部的部分外壁与所述第二对接部的部分外壁贴合。
- 根据权利要求8所述的超声探头旋转装置，其特征在于，所述第二对接部外壁套设有弹性圈，以实现所述第一对接部和所述第二对接部之间的密封作用。
- 根据权利要求1所述的超声探头旋转装置，其特征在于，还包括电接触所述旋转内芯的旋转驱动部。
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| CN217338622U (zh) * | 2022-02-22 | 2022-09-02 | 声索生物科技(上海)有限公司 | 超声探头旋转装置 |
| CN217447836U (zh) * | 2022-08-09 | 2022-09-20 | 深圳皓影医疗科技有限公司 | 一种转子与驱动器的插装结构及血管内超声导管 |
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| JPH04102448A (ja) * | 1990-08-22 | 1992-04-03 | Olympus Optical Co Ltd | 超音波診断装置 |
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