WO2021109004A1 - 传动机构及给药装置 - Google Patents

传动机构及给药装置 Download PDF

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Publication number
WO2021109004A1
WO2021109004A1 PCT/CN2019/122807 CN2019122807W WO2021109004A1 WO 2021109004 A1 WO2021109004 A1 WO 2021109004A1 CN 2019122807 W CN2019122807 W CN 2019122807W WO 2021109004 A1 WO2021109004 A1 WO 2021109004A1
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WO
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Prior art keywords
transmission mechanism
transmission
drug delivery
mechanism according
sliding block
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PCT/CN2019/122807
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English (en)
French (fr)
Inventor
徐百
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苏州纳生微电子有限公司
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Publication of WO2021109004A1 publication Critical patent/WO2021109004A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin

Definitions

  • the utility model relates to the technical field of transdermal drug delivery, in particular to a transmission mechanism and a drug delivery device.
  • nanochips are being widely used.
  • the nano-chip is a special tool for nano-infiltration enhancement developed based on the structure of human skin. It is carved from monocrystalline silicon through a nano-technology process.
  • the surface of the nanochip is a series of microneedle arrays, which can open the outermost stratum corneum of the skin without damaging the dermis, greatly improving the penetration of drugs.
  • the biocompatibility of monocrystalline silicon ensures the safety of nanocrystalline during use.
  • the nanochip on the drug delivery head needs to reciprocate with the human skin so that the microneedles on it can open the outermost stratum corneum of the skin. Therefore, it is necessary to propose further solutions for how to drive the drug delivery head through the motor to perform drug delivery actions.
  • the utility model aims to provide a transmission mechanism and a drug delivery device to overcome the deficiencies in the prior art.
  • a transmission mechanism which includes:
  • a slider which slides back and forth along the chute
  • a transmission part is provided with a rotating shaft on both sides, the transmission part is pivotally connected between the connecting parts through the rotation shaft, and the transmission part is kept in a transmission connection with a sliding block, and the sliding block drives the transmission part Pivoting movement by means of the rotating shaft;
  • One end of the push rod is pivotally connected to one end of the transmission member.
  • the inner side wall of the sliding groove is provided with a platform contact surface arranged along the sliding direction, and the sliding block slides back and forth along the platform contact surface.
  • the table joint surface is symmetrically arranged in the chute.
  • a pivoting connection hole is correspondingly provided on the connecting portion
  • a guiding groove is provided on the connecting portion, and one end of the guiding groove extends to the pivoting connection hole, and One end extends to the end surface of the connecting portion.
  • the transmission member has an integrally extending bayonet, and the sliding block is provided with a mounting beam that is connected to the bayonet in transmission.
  • the transmission mechanism further includes an eccentric wheel, and the pivot shaft of the eccentric wheel is drivingly connected with the sliding block.
  • the slider has a mounting hole extending along the sliding direction of the slider, one end of the mounting hole is a flat surface, and the other end is away from the flat surface
  • the pivot axis of the eccentric wheel extends into the mounting hole.
  • the push rod includes: a linkage portion and a pushing portion, one end of the linkage portion has an opposite connection end, and one end of the transmission member is pivotally connected between the connection ends, The other end of the linkage part is connected with one end of the pushing part, and drives the pushing part to perform axial movement.
  • the transmission mechanism further includes a lower cover, and the lower cover is fixed to the other side of the upper cover by a fixing pin.
  • a drug delivery device comprising: a motor, a drug delivery head, and the transmission mechanism as described above;
  • the motor shaft of the motor directly or indirectly drives the sliding block to slide back and forth, and the other end of the push rod is drivingly connected with the drug delivery head.
  • the beneficial effect of the present utility model is that the transmission mechanism of the present utility model can be applied to a drug delivery device to convert the action of the motor into the axial reciprocating action of the push rod to drive the drug delivery head and the human body.
  • the skin performs reciprocating action to achieve transdermal drug delivery and promote the absorption of liquid medicine.
  • Fig. 1 is a three-dimensional schematic diagram of an embodiment of the transmission mechanism according to the utility model
  • Fig. 2 is a three-dimensional exploded schematic diagram of the transmission mechanism in Fig. 1.
  • the present invention provides a transmission mechanism, which includes: an upper cover 1, a slider 2, an eccentric wheel 3, a transmission member 4, a push rod 5, and a lower cover 6.
  • the upper cover 1 is used to connect the slider 2, the transmission member 4 and the lower cover 6.
  • the upper cover 1 is provided with a sliding groove 11, and the sliding block 2 slides back and forth along the sliding groove 11.
  • a step surface 12 arranged along the sliding direction is provided on the inner side wall of the sliding groove 11, and the slider 2 slides back and forth along the step surface 12.
  • the step surface 12 may be arranged on one side or both sides of the inner side wall of the sliding groove 11. In one embodiment, the stepped surface 12 is symmetrically arranged in the sliding groove 11.
  • One side of the upper cover 1 is provided with a connecting portion 13 located on both sides of the sliding groove 11, and a rotating shaft 41 is provided on both sides of the transmission member 4, and the transmission member 4 is pivotally connected to the Between the connection part 13.
  • the rotating shaft 41 preferably integrally extends from both sides of the transmission member 4.
  • the connecting portion 13 is correspondingly provided with a pivot connecting hole 131.
  • the connecting portion 13 is provided with a guiding groove 132, one end of the guiding groove 132 extends to the pivot connecting hole 131, and the other end extends to the connecting portion 13 on the end face. Therefore, during installation, the rotating shaft 41 of the connecting piece first slides into the guide groove 132, and at the same time, the connecting portion 13 is opened for a certain distance. Under the guidance of the guide groove 132, the rotating shaft 41 is finally assembled to the pivot connecting hole. 131 in.
  • the lower cover 6 is used to connect the transmission mechanism of the present invention with the applied drug delivery device. Specifically, the lower cover 6 is fixed to the other side of the upper cover 1 by a fixing pin 14 located on the upper cover 1. At the same time, the upper cover 1 and the lower cover 6 are also provided with bolts corresponding to the positions. Holes 15 and 61.
  • the sliding block 2 is used to drive the transmission member 4 to perform a reciprocating pivotal movement.
  • the transmission member 4 maintains a transmission connection with the sliding block 2, and the sliding block 2 drives the transmission member 4 to perform a pivotal movement via the rotating shaft 41.
  • the transmission member 4 in order to realize the transmission connection between the transmission member 4 and the slider 2, the transmission member 4 has a bayonet 42 extending integrally, and the slider 2 is provided with a transmission connection with the bayonet 42 Install the beam. Therefore, when the slider 2 reciprocally slides, a pivoting force can be applied to the transmission member 4 connected to it, so that it can synchronously perform a reciprocating pivotal movement.
  • the eccentric wheel 3 is used to drive the slider 2 to slide back and forth along the sliding groove 11.
  • the pivot shaft of the eccentric wheel 3 is in transmission connection with the sliding block 2.
  • the slider 2 has a mounting hole extending along the sliding direction of the slider 2, and the pivot axis of the eccentric wheel 3 extends into the mounting hole 21. Therefore, when the eccentric wheel 3 moves, its pivot axis drives the slider 2 to slide back and forth.
  • one end of the mounting hole 21 is a flat surface, and the other end is an arc-shaped surface away from the flat surface, where the flat surface is the acting surface.
  • the push rod 5 is used to convert the reciprocating pivotal movement of the transmission member 4 into a reciprocating axial movement.
  • the push rod 5 is pivotally connected to one end of the transmission member 4.
  • the push rod 5 includes: a linkage portion 51 and a pushing portion 52.
  • One end of the linkage portion 51 has an opposite connection end, one end of the transmission member 4 is pivotally connected between the connection ends, the other end of the linkage portion 51 is connected with one end of the pushing portion 52, and There is a certain included angle between the linkage part 51 and the pushing part 52. In this way, the transmission member 4 performs a reciprocating pivotal movement, and the linkage portion 51 connected to the transmission member 4 can drive the pushing portion 52 to perform axial movement.
  • the present invention also provides a drug delivery device, which is characterized in that the drug delivery device includes a motor, a drug delivery head, and the transmission mechanism described above.
  • the motor shaft of the motor directly or indirectly drives the slider 2 to slide back and forth.
  • the eccentric wheel 3 and the motor shaft of the motor can be designed as an integral type.
  • the motor shaft of the motor indirectly drives the slider 2, the motor The shaft of the motor extends into the hole on the eccentric wheel 3. The other end of the push rod 5 is drivingly connected with the drug delivery head.
  • the transmission mechanism of the present invention can be applied to a drug delivery device to convert the action of the motor into an axial reciprocating action of the push rod to drive the drug delivery head to perform reciprocating action with human skin to achieve transdermal drug delivery , Promote the absorption of liquid medicine.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dermatology (AREA)
  • Medical Informatics (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种传动机构及给药装置，其中，传动机构包括：上盖（1），其上开设有滑槽（11），上盖（1）的一面设置有位于滑槽（11）两侧的连接部（13）；滑块（2），其沿滑槽（11）进行往复滑动；传动件（4），其两侧设置有转轴（41），传动件（4）通过转轴（41）枢转连接于连接部（13）之间，且传动件（4）与滑块（2）保持传动连接，滑块（2）驱动传动件（4）借助转轴（41）进行枢转运动；推杆（5），其一端枢转连接于传动件（4）的一端。传动机构可应用于给药装置中，将电机的动作转化为推杆（5）的轴向往复动作，以带动给药头与人体皮肤进行往复作用，实现透皮给药，促进药液的吸收。

Description

传动机构及给药装置 技术领域
本实用新型涉及透皮给药技术领域，具体地是涉及一种传动机构及给药装置。
背景技术
目前，在透皮给药技术领域，纳米晶片正被广泛应用。其中纳米晶片是根据人体皮肤结构开发的纳米促渗专用工具，它是由单晶硅经过纳米技术工艺雕刻而成。纳米晶片的表面是一系列微针阵列，它们可以打开皮肤最外面的角质层，同时不会伤及真皮层，大大提高药物的渗透能力。单晶硅的生物兼容性又保证了纳晶在使用过程中的安全性。
在透皮给药时，给药头上的纳米晶片需要与人体皮肤进行往复作用，以使其上的微针打开皮肤最外面的角质层。因此，针对如何通过电机带动给药头进行给药动作，有必要提出进一步的解决方案。
实用新型内容
本实用新型旨在提供一种传动机构及给药装置，以克服现有技术中存在的不足。
为解决上述技术问题，本实用新型的技术方案是：
一种传动机构，其包括：
上盖，其上开设有滑槽，所述上盖的一面设置有位于所述滑槽两侧的连接部；
滑块，其沿所述滑槽进行往复滑动；
传动件，其两侧设置有转轴，所述传动件通过所述转轴枢转连接于所述连接部之间，且所述传动件与滑块保持传动连接，所述滑块驱动所述传动件借助所述转轴进行枢转运动；
推杆，其一端枢转连接于所述传动件的一端。
作为本实用新型的传动机构的改进，所述滑槽的内侧壁上设置有沿滑动方向设置的台接面，所述滑块沿所述台接面进行往复滑动。
作为本实用新型的传动机构的改进，所述台接面于所述滑槽中左右对称设置。
作为本实用新型的传动机构的改进，所述连接部上对应设置有枢转连接孔，所述连接部上设置有导引槽，所述导引槽一端延伸至所述枢转连接孔，另一端延伸至所述连接部的端面上。
作为本实用新型的传动机构的改进，所述传动件具有一体延伸而出的卡口，所述滑块上设置有与所述卡口传动连接的安装梁。
作为本实用新型的传动机构的改进，所述传动机构还包括：偏心轮，所述偏心轮的枢转轴与所述滑块传动连接。
作为本实用新型的传动机构的改进，所述滑块具有一安装孔，所述安装孔沿所述滑块的滑动方向延伸设置，所述安装孔的一端为平面，另一端为远离所述平面的弧形面，所述偏心轮的枢转轴伸入所述安装孔中。
作为本实用新型的传动机构的改进，所述推杆包括：联动部以及推动部，所述联动部的一端具有相对设置的连接端，所述传动件的一端枢转连接于连接端之间，所述联动部的另一端与所述推动部的一端相连接，并带动所述推动部进行轴向运动。
作为本实用新型的传动机构的改进，所述传动机构还包括：下盖，所述下盖通过固定销固定于所述上盖的另一面。
为解决上述技术问题，本实用新型的技术方案是：
一种给药装置，其包括：电机、给药头以及如上所述的传动机构；
所述电机的电机轴直接或者间接地驱动所述滑块进行往复滑动，所述推杆另一端与所述给药头传动连接。
与现有技术相比，本实用新型的有益效果是：本实用新型的传动机构可应用于给药装置中，将电机的动作转化为推杆的轴向往复动作，以带动给药头与人体皮肤进行往复作用，实现透皮给药，促进药液的吸收。
附图说明
图1为本实用新型所述的传动机构一实施例的立体示意图；
图2为图1中传动机构的立体分解示意图。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
如图1、2所示，本实用新型提供一种传动机构，其包括：上盖1、滑块2、偏心轮3、传动件4、推杆5、下盖6。
所述上盖1用于连接所述滑块2、传动件4和下盖6。
所述上盖1上开设有滑槽11，所述滑块2沿所述滑槽11进行往复滑动。同时，为了便于所述滑块2的滑动，所述滑槽11的内侧壁上设置有沿滑动方向设置的台阶面12，所述滑块2沿所述台阶面12进行往复滑动。所述台阶面12可设置于所述滑槽11内侧壁的一侧或者两侧。一个实施方式中，所述台阶面12于所述滑槽11中左右对称设置。
所述上盖1的一面设置有位于所述滑槽11两侧的连接部13，所述传动件4两侧设置有转轴41，所述传动件4通过所述转轴41枢转连接于所述连接部13之间。所述转轴41优选地自所述传动件4两侧一体延伸而出。
相应的，所述连接部13上对应设置有枢转连接孔131。为了方便所述传 动件4的枢转安装，所述连接部13上设置有导引槽132，所述导引槽132一端延伸至所述枢转连接孔131，另一端延伸至所述连接部13的端面上。从而，安装时，连接件的转轴41首先滑入导引槽132中，同时将连接部13撑开一定距离，在导引槽132的导引下，转轴41最终装配至所述枢转连接孔131中。
所述下盖6用于将本实用新型的传动机构与所应用的给药装置相连接。具体地，所述下盖6通过位于所述上盖1上的固定销14固定于所述上盖1的另一面，同时，所述上盖1和下盖6上还设置有位置对应的螺栓孔15和61。
所述滑块2用于带动所述传动件4进行往复的枢转运动。
具体地，所述传动件4与滑块2保持传动连接，所述滑块2驱动所述传动件4借助所述转轴41进行枢转运动。一个实施方式中，为了实现传动件4与滑块2的传动连接，所述传动件4具有一体延伸而出的卡口42，所述滑块2上设置有与所述卡口42传动连接的安装梁。从而，当滑块2往复滑动时，可对与其相连接的传动件4施加枢转作用力，使其同步地进行往复枢转运动。
所述偏心轮3用于带动所述滑块2沿所述滑槽11进行往复滑动。具体地，所述偏心轮3的枢转轴与所述滑块2传动连接。相应的，所述滑块2具有一安装孔，所述安装孔沿所述滑块2的滑动方向延伸设置，所述偏心轮3的枢转轴伸入所述安装孔21中。从而，所述偏心轮3动作时，其枢转轴带动所述滑块2进行往复滑动。
一个实施方式中，为了减少所述偏心轮3与滑块2作用时产生的噪音，所述安装孔21的一端为平面，另一端为远离所述平面的弧形面，其中平面为作用面。如此设置，所述偏心轮3的枢转轴一个枢转行程中，只与所述安装孔21的作用面接触一次，而不会与弧形面发生碰撞，降低了噪声产生的频率，有利于实现静音。
所述推杆5用于将所述传动件4往复的枢转运动转化为往复的轴向运动。
具体地，所述推杆5一端枢转连接于所述传动件4的一端。一个实施方 式中，所述推杆5包括：联动部51以及推动部52。所述联动部51的一端具有相对设置的连接端，所述传动件4的一端枢转连接于连接端之间，所述联动部51的另一端与所述推动部52的一端相连接，且所述联动部51与推动部52之间具有一定夹角。如此，所述传动件4进行往复的枢转运动，与其相连接的联动部51可带动所述推动部52进行轴向运动。
基于如上所述的传动机构，本实用新型还提供一种给药装置，其特征在于，所述给药装置包括：电机、给药头以及如上所述的传动机构。
其中，所述电机的电机轴直接或者间接地驱动所述滑块2进行往复滑动。所述电机的电机轴直接驱动所述滑块2时，可将偏心轮3与电机的电机轴设计为一体式，可替代地，所述电机的电机轴间接驱动所述滑块2时，电机的电机轴伸入到所述偏心轮3上的孔洞中。所述推杆5另一端与所述给药头传动连接。
综上所述，本实用新型的传动机构可应用于给药装置中，将电机的动作转化为推杆的轴向往复动作，以带动给药头与人体皮肤进行往复作用，实现透皮给药，促进药液的吸收。
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也 可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (10)

  1. 一种传动机构，其特征在于，所述传动机构包括：
    上盖，其上开设有滑槽，所述上盖的一面设置有位于所述滑槽两侧的连接部；
    滑块，其沿所述滑槽进行往复滑动；
    传动件，其两侧设置有转轴，所述传动件通过所述转轴枢转连接于所述连接部之间，且所述传动件与滑块保持传动连接，所述滑块驱动所述传动件借助所述转轴进行枢转运动；
    推杆，其一端枢转连接于所述传动件的一端。
  2. 根据权利要求1所述的传动机构，其特征在于，所述滑槽的内侧壁上设置有沿滑动方向设置的台接面，所述滑块沿所述台接面进行往复滑动。
  3. 根据权利要求2所述的传动机构，其特征在于，所述台接面于所述滑槽中左右对称设置。
  4. 根据权利要求1所述的传动机构，其特征在于，所述连接部上对应设置有枢转连接孔，所述连接部上设置有导引槽，所述导引槽一端延伸至所述枢转连接孔，另一端延伸至所述连接部的端面上。
  5. 根据权利要求1所述的传动机构，其特征在于，所述传动件具有一体延伸而出的卡口，所述滑块上设置有与所述卡口传动连接的安装梁。
  6. 根据权利要求1所述的传动机构，其特征在于，所述传动机构还包括：偏心轮，所述偏心轮的枢转轴与所述滑块传动连接。
  7. 根据权利要求6所述的传动机构，其特征在于，所述滑块具有一安装孔，所述安装孔沿所述滑块的滑动方向延伸设置，所述安装孔的一端为平面，另一端为远离所述平面的弧形面，所述偏心轮的枢转轴伸入所述安装孔中。
  8. 根据权利要求1所述的传动机构，其特征在于，所述推杆包括：联动部 以及推动部，所述联动部的一端具有相对设置的连接端，所述传动件的一端枢转连接于连接端之间，所述联动部的另一端与所述推动部的一端相连接，并带动所述推动部进行轴向运动。
  9. 根据权利要求1所述的传动机构，其特征在于，所述传动机构还包括：下盖，所述下盖通过固定销固定于所述上盖的另一面。
  10. 一种给药装置，其特征在于，所述给药装置包括：电机、给药头以及如权利要求1-9任一项所述的传动机构；
    所述电机的电机轴直接或者间接地驱动所述滑块进行往复滑动，所述推杆另一端与所述给药头传动连接。
PCT/CN2019/122807 2019-12-02 2019-12-03 传动机构及给药装置 WO2021109004A1 (zh)

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