WO2017166881A1 - Mécanisme de poussée de corps d'aiguille pour distribuer un médicament, et son procédé d'utilisation - Google Patents

Mécanisme de poussée de corps d'aiguille pour distribuer un médicament, et son procédé d'utilisation Download PDF

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Publication number
WO2017166881A1
WO2017166881A1 PCT/CN2016/113428 CN2016113428W WO2017166881A1 WO 2017166881 A1 WO2017166881 A1 WO 2017166881A1 CN 2016113428 W CN2016113428 W CN 2016113428W WO 2017166881 A1 WO2017166881 A1 WO 2017166881A1
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WO
WIPO (PCT)
Prior art keywords
needle
slider
needle body
pushing mechanism
dispensing
Prior art date
Application number
PCT/CN2016/113428
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English (en)
Chinese (zh)
Inventor
郑永强
柏轲
Original Assignee
成都杰仕德科技有限公司
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Publication date
Application filed by 成都杰仕德科技有限公司 filed Critical 成都杰仕德科技有限公司
Publication of WO2017166881A1 publication Critical patent/WO2017166881A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting

Definitions

  • the invention relates to the field of medical device dispensing, in particular to a medicine needle pushing mechanism and a using method.
  • the structure of the existing dispensing needle is mostly as shown in Fig. 1.
  • the needle body 101 is provided.
  • the needle body has a needle tip 102 at one end and a needle 103 at one end.
  • the needle body is provided with a drug solution channel 104.
  • the inlet of the drug solution channel 104 is located at the end of the needle tip 102 or the side wall of the needle body 101.
  • the needle tip 102 is designed as a sharp end; since the needle tip 102 has a sharp shape, the sharp segment is generally long, about 3-8 mm. Therefore, in order to avoid damage to the sharp portion of the needle tip 102 during dispensing, the needle tip 102 is generally avoided.
  • the object of the present invention is to overcome the prior art that the needle tip of the dispensing needle is a sharp portion, and the dispensing method of the needle body by the hand-held needle body or the mechanical jaw when dispensing the medicine, in order to avoid damage to the needle body, it is impossible to Insert the needle into the bottom of the ampoule or vial bottle, and need to tilt the ampoule or the vial to pump it thoroughly, which brings the above-mentioned deficiencies of dispensing trouble and low dispensing efficiency, and provides a needle pushing mechanism and use. method.
  • the present invention provides the following technical solutions:
  • a medicinal needle pushing mechanism comprises a bracket, the bracket is slidably provided with a slider and a clamping member, and an elastic member is connected between the slider and the clamping member, and the clamping member is detachable a needle body is connected, the needle tip end portion of the needle body is in a flat bottom shape; the slider is driven to move by a driving member, and the slider drives the clamping member to slide up and down relative to the bracket under the action of the elastic member For inserting the needle into the dispensing bottle or withdrawing from the dispensing bottle.
  • the medicine needle pushing mechanism adopts a slider and a clamping member which are slidably disposed on the bracket, wherein an elastic member is disposed between the slider and the clamping member, and when the slider is driven by the driving component, the slider The elastic member is subjected to a compressive force relative to the movement of the bracket, and the elastic force thereof pushes the clamping member to move downward.
  • the clamping member is provided with a needle body. Therefore, the needle body is inserted into the dispensing bottle body under the pushing action of the clamping member (as it is now) There are commonly used ampoules or vials) until the needle tip of the needle contacts the bottom of the dispensing bottle.
  • the needle tip of the needle has a flat bottom shape and elastic members are provided between the clamping member and the slider, When the needle contacts the flat bottom of the dispensing bottle, the slider is still in the buffering effect of the movement, avoiding damage to the needle tip of the needle body, and at the same time, since the tip end portion of the flat bottom shape can directly contact the flat bottom of the dispensing bottle for suction, it is convenient to dispense the medicine bottle
  • the internal drug solution is sucked clean once, and the pushing mechanism has a simple structure, convenient drug dispensing, and effectively improves the dispensing efficiency, and the needle body can be inserted into the bottom of the dispensing bottle of various specifications and lengths. Suck, wide adaptability.
  • the side of the needle body is provided with a chemical liquid inflow opening which communicates with the medical liquid passage in the needle body and extends to the flat bottom surface of the needle tip end portion of the needle body.
  • the medical fluid passage in the needle body forms a through hole from the needle to the tip end of the needle, which is convenient for processing and manufacturing, and at the same time, an opening is arranged on the side of the needle body, and the medical liquid passage at the tip end portion of the needle is connected, which can increase the inlet area of the medical liquid passage. Improve the efficiency of liquid medicine suction.
  • the top end of the needle body is connected with a collet, and the clamping end portion of the clamping member is provided with a groove adapted to the collet, and the pin body is convenient for the clamping part by means of the clamping The upper clamping end is removed.
  • the slider is provided with a limiting slot
  • the clamping top of the clamping component is provided with a limiting protrusion
  • the limiting slot is provided with a position sensor, and when the limiting protrusion enters the limit Within the bit slot, the position sensor sends a control signal to the drive component that stops driving the slider motion.
  • a limiting slot is arranged on the slider, and a position sensor is arranged in the limiting slot, and is matched with a limiting protrusion on the clamping component.
  • the position detector When the slider and the clamping component are close to each other, until the limiting protrusion on the clamping component enters the limiting slot of the slider, the limiting protrusion
  • the position detector immediately sends a signal to stop the driving component, and the slider stops sliding at this time; at this time, due to the elastic force of the elastic member, the needle tip portion of the needle body remains at all times.
  • the state of the bottom of the dispensing bottle prepares for the next suction process; the stop slot, the limit projection and the position sensor cooperate to determine the stop time of the needle inserted into the bottom of the dispensing bottle bottle, with high automation and good reliability. To further improve the efficiency of dispensing.
  • the position sensor can be replaced with a contact limit switch adapted to the limit projection, or the position sensor can be replaced by a non-contact photoelectric limit switch.
  • the driving component is a driving motor mounted on the bracket, and the bracket is further provided with a screw rod and a slide rail, and the slider is sleeved on the screw rod and is provided with the sliding A chute adapted to the track.
  • the clamping member is provided with a sliding stop block adapted to the slide rail.
  • the bracket is further provided with a motor limit switch, and when the slider triggers the motor limit switch, the motor stops running.
  • the invention also provides a method for using a medicine needle pushing mechanism, comprising the above-mentioned medicine needle pushing mechanism, comprising the following steps:
  • Step 1 Prepare, connect the needle pushing mechanism to the catheter and the liquid bag, and place the dispensing bottle body under the needle body;
  • Step 2 pushing the needle body, starting the driving component, the driving component drives the sliding block to move downward, and under the elastic force of the elastic component, pushing the clamping component and the needle body to move downward;
  • Step 3 inserting the needle body, after the needle body is inserted into the dispensing bottle body, the driving component continues to drive the slider movement, and under the elastic force of the elastic component, until the needle tip end portion of the needle body on the clamping component contacts the bottom of the dispensing bottle body, the driving The part stops and the push of the needle is completed.
  • the needle By using the dispensing needle pushing mechanism to insert the needle into the dispensing bottle, the needle can be easily and quickly inserted into the bottom of the dispensing bottle and then sucked, and the needle tip of the needle can be prevented from being damaged, thereby effectively improving the dispensing.
  • the needle body can be adapted to a variety of different specifications and lengths of the bottom of the dispensing bottle bottle for a wide range of adaptability.
  • the needle body in the first step is provided with a chuck for facilitating connection on the clamping member, and the chuck, the needle body and the catheter are integrally formed structural members, so that the pushing mechanism is facilitated after the dispensing is completed.
  • the needle body is replaced at one time, and the assembly of the needle body structure is also simpler and more convenient, thereby effectively saving replacement time.
  • the medicinal needle pushing mechanism adopts a slider and a clamping member which are slidably disposed on the bracket, wherein an elastic member is disposed between the slider and the clamping member, and when the slider is driven by the driving component When the force is pushed, the slider moves relative to the bracket, the elastic member receives a compressive force, and the elastic force pushes the clamping member downward, and the clamping member is provided with a needle body. Therefore, the needle body is inserted under the pushing action of the clamping member.
  • Dispensing the bottle body (such as the commonly used ampoules or vials) until the needle tip end of the needle body contacts the bottom of the dispensing bottle, since the needle tip end portion of the needle body has a flat bottom shape, and the clamping member and the slider are also disposed
  • the elastic part can play the buffering effect of the slider when the needle body contacts the flat bottom of the dispensing bottle, avoiding damage to the needle tip end of the needle body, and at the same time, the tip end portion of the flat bottom shape can directly contact the flat bottom of the dispensing bottle for pumping.
  • the pushing mechanism is simple in structure, convenient in dispensing, effectively improving the dispensing efficiency, and the needle body can be inserted into various specifications and lengths.
  • the medicinal needle pushing mechanism according to the present invention forms a through hole from the needle to the tip end of the needle in the needle body of the needle body, which is convenient for processing and manufacturing, and at the same time, an opening is arranged on the side of the needle body, and the tip end portion of the needle is connected.
  • the liquid medicine channel can increase the inlet area of the liquid medicine channel and improve the liquid medicine suction efficiency;
  • the medicinal needle pushing mechanism according to the present invention, the limiting slot is arranged on the slider, the position sensor is arranged in the limiting slot, and the limiting protrusion on the clamping component is adapted, when the needle contacts When the bottom of the dispensing bottle is closed, the clamping member is stopped by the outside and stops moving.
  • the slider continues to move under the action of the driving member, and the elastic member is compressed, when the slider and the clamping member are close to each other until the limit on the clamping member
  • the protrusion enters the limit slot of the slider, and the position detector detects when the limit protrusion contacts or enters the monitoring range of the position detector
  • the slider stops sliding at this time; due to the elastic force of the elastic part, the needle tip end of the needle body remains in the state of the bottom of the dispensing bottle, preparing for the next suction process;
  • the position groove, the limit protrusion and the position sensor cooperate to determine the stopping time of the needle body inserted into the bottom of the dispensing bottle bottle, the degree of automation is high, the reliability is good, and the dispensing efficiency is further improved;
  • the needle body is inserted into the dispensing bottle, and the needle can be inserted into the bottom of the dispensing bottle bottle simply and quickly, and then sucked without damaging the needle body.
  • the tip end of the needle can effectively improve the dispensing efficiency, and the needle body can be adapted to the bottom of the dispensing bottle bottle of various specifications and lengths, and has wide adaptability.
  • Figure 1 is a schematic view showing the structure of a conventionally used dispensing needle
  • FIG. 2 is a schematic structural view of the needle pushing mechanism of the medicine according to the present invention.
  • Figure 3 is a front elevational view of Figure 2;
  • Figure 4 is a side view of Figure 3;
  • Figure 5 is a schematic view of the limiting groove of the slider of Figure 2 and the limiting protrusion of the clamping member;
  • Figure 6 is a cross-sectional view showing the partial structure of the needle body of Figure 1;
  • Fig. 7 is a schematic view showing the needle of the dispensing needle of the present invention in the dispensing bottle.
  • a medicinal needle body 7 pushing mechanism includes a bracket 1 in which a slider 4 and a clamping member 5 are slidably mounted thereon, and a connection between the slider 4 and the clamping member 5 is provided.
  • the elastic member 6 has a needle body 7 detachably coupled to the clamping member 5, and the needle tip end portion 72 of the needle body 7 has a flat bottom shape; the slider 4 is driven and moved by the driving member, and under the action of the elastic member 6, the slider 4
  • the clamping member 5 is slid up and down relative to the bracket 1 for inserting the needle body 7 into or out of the dispensing bottle.
  • the side of the needle body 7 is provided with a chemical solution inflow opening 73, and the opening 73 communicates with the drug solution passage 71 in the needle body 7 and extends to the flat bottom surface of the needle tip end portion 72 of the needle body 7. That is, the drug solution passage 71 in the needle body 7 forms a through hole from the needle to the needle tip end portion 72, which is convenient for processing, and is provided with an opening 73 on the side of the needle body 7 and communicates with the drug solution passage 71 of the needle tip end portion 72, which can be increased.
  • the inlet area of the large liquid passage 71 improves the liquid suction efficiency.
  • the top end of the needle body 7 is also connected with a collet 8 , and the clamping end portion 53 of the clamping member 5 is provided with a groove adapted to the collet 8 , and the pin body 7 is conveniently clamped by means of a snapping manner.
  • the grip end portion 53 on the holding member 5 is detached.
  • the above driving component is selected from a driving motor 2 mounted on the bracket 1, and the bracket 1 is further provided with a screw 3 And a slide rail 11, on which the slider 4 is fitted and provided with a slide 41 adapted to the slide rail 11.
  • the clamping member 5 is provided with a sliding stop 54 adapted to the slide rail 11.
  • the bracket 1 is also provided with a motor limit switch 12, and when the slider 4 triggers the motor limit switch 12, the motor 2 stops running.
  • the medicinal needle body 7 pushing mechanism adopts a slider 4 and a clamping member 5 which are slidably disposed on the bracket 1, wherein an elastic member 6 is disposed between the slider 4 and the clamping member 5 (the elastic member 6 can be commonly used The compression spring or the return spring), when the slider 4 is subjected to the urging force of the driving member, the slider 4 moves relative to the bracket 1, and the elastic member 6 receives a compressive force, and the elastic force pushes the clamping member 5 downward, the clamping member
  • the needle body 7 is provided on the needle 5, and therefore, the needle body 7 is inserted into the dispensing bottle under the urging action of the holding member 5 until the needle tip end portion 72 of the needle body 7 contacts the bottom of the dispensing bottle due to the needle tip end portion 72 of the needle body 7.
  • the needle tip end portion 72 is damaged, and at the same time, since the flat-bottomed needle tip end portion 72 can directly contact the flat bottom of the dispensing bottle for suction, it is convenient to suck the liquid in the dispensing bottle at a time, and the pushing mechanism has a simple structure and convenient dispensing, and effectively improves the needle portion 72. Dispensing efficiency, the needle body 7 can be inserted into each Bottle bottom with different sizes and lengths of suction, wide adaptability.
  • the dispensing bottle described in the present application is suitable for use in existing ampoules or vials.
  • a limiting slot 42 is disposed on the slider 4, wherein the clamping top 51 of the clamping member 5 is provided with a limiting protrusion 52, and the limiting slot 42 is disposed.
  • a position sensor is provided. When the limiting protrusion 52 enters the limiting slot 42, the position sensor sends a control signal to the driving component, and the driving component stops driving the slider 4 to move. That is, the limiting groove 42 and the position sensor disposed on the slider 4 are matched with the limiting protrusions 52 on the clamping member 5, and the clamping member 5 is received when the needle body 7 contacts the bottom of the dispensing bottle bottle.
  • the position detector When the limiting protrusion 52 contacts or enters the monitoring range of the position detector, the position detector immediately sends a signal to stop the driving component, and the slider 4 is now Stopping the sliding; at this time, due to the elastic force of the elastic member 6, the needle tip end portion 72 of the needle body 7 is kept in the state of the bottom of the dispensing bottle, preparing for the next suction process; passing the limiting groove 42, the limit convex The 52 and the position sensor cooperate to determine the stopping time of the needle body 7 inserted into the bottom of the dispensing bottle bottle, the degree of automation is high, the reliability is good, and the dispensing efficiency is further improved.
  • the limiting slot 42 and the position sensor may also be disposed on the clamping member 5, and the limiting protrusion 52 is disposed on the slider 4.
  • the two setting schemes are selected according to actual needs.
  • the above position sensor can be replaced with a contact type limit switch adapted to the limit protrusion 52, or the position sensor can be replaced by a non-contact type photoelectric limit switch.
  • the present invention also provides a method for using the medicine needle 7 pushing mechanism, comprising the medicine needle 7 pushing mechanism in the above embodiment 1, comprising the following steps:
  • Step 1 Prepare, connect the needle 7 pushing mechanism to the catheter and the liquid bag, and place the dispensing bottle body under the needle body 7;
  • Step 2 pushing the needle body 7, starting the driving component, the driving component drives the slider 4 to move downward, and under the elastic force of the elastic component 6, pushing the clamping component 5 and the needle body 7 to move downward;
  • Step 3 the needle body 7 is inserted, and after the needle body 7 is inserted into the dispensing bottle body, the driving member continues to drive the slider 4 to move, and under the elastic force of the elastic member 6, until the needle tip end portion 72 of the needle body 7 on the holding member 5 contacts.
  • the driving member is stopped, and the pushing of the needle body 7 is completed.
  • the needle body 7 in the first step is provided with a collet 8 for easy connection to the clamping member 5.
  • the collet 8, the needle body 7 and the catheter are integrally formed structural members, which are convenient for pushing the drug after the dispensing is completed. Needle body 7 For one-time overall replacement, the assembly of the needle body 7 structure is also simpler and more convenient, and the replacement time is effectively saved.
  • the needle body 7 By using the dispensing needle 7 pushing mechanism to insert the needle body 7 into the dispensing bottle, the needle body 7 can be easily and quickly inserted into the dispensing bottle bottom and then sucked without damaging the needle tip end portion 72 of the needle body 7,
  • the utility model can effectively improve the dispensing efficiency, and the needle body 7 can be adapted to the bottom of the dispensing bottle bottle of various specifications and lengths, and has wide adaptability.

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  • Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Basic Packing Technique (AREA)

Abstract

La présente invention concerne un mécanisme de poussée de corps d'aiguille pour distribuer un médicament, et un procédé d'utilisation de celui-ci; le mécanisme de poussée de corps d'aiguille comprend un cadre (1); le cadre (1) est pourvu de façon coulissante d'un curseur (4) et d'un élément de serrage (5); un élément flexible (6) est raccordé entre le curseur (4) et l'élément de serrage (6); un corps d'aiguille (7) est raccordé de façon amovible à l'élément de serrage (5), et la partie d'extrémité (72) de la pointe de l'aiguille a une forme à fond plat; le curseur (4) est entraîné pour se déplacer au moyen d'un élément d'entraînement; sous l'effet de l'élément flexible (6), le curseur (4) entraîne l'élément de serrage (5) pour coulisser vers le haut et vers le bas par rapport au cadre (1), et est utilisé pour insérer le corps d'aiguille (7) dans un corps de flacon de distribution de médicament ou retirer celui-ci du corps de flacon de distribution de médicament; le procédé d'utilisation du mécanisme de poussée comprend la préparation, la poussée du corps d'aiguille (7), et l'insertion du corps d'aiguille (7) au fond du flacon de distribution de médicament. Dans le mécanisme de poussée, un curseur (4) et un élément de serrage (5) sont disposés de façon coulissante sur un cadre (1), et un élément flexible (6) est disposé entre le curseur (4) et l'élément de serrage (5); sous l'effet de la poussée de l'élément de serrage (5), le corps d'aiguille (7) peut être inséré, pour aspiration, au fond de flacons de distribution de médicament ayant différentes spécifications et longueurs sans endommager la partie d'extrémité (72) de la pointe du corps d'aiguille (7); la structure est simple et la distribution de médicament est pratique, de façon à améliorer l'efficacité de distribution de médicament, et l'invention est largement adaptable.
PCT/CN2016/113428 2016-03-31 2016-12-30 Mécanisme de poussée de corps d'aiguille pour distribuer un médicament, et son procédé d'utilisation WO2017166881A1 (fr)

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CN201610200393.XA CN105853220B (zh) 2016-03-31 2016-03-31 配药用针体推送机构及使用方法
CN201610200393.X 2016-03-31

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CN108014015A (zh) * 2018-01-03 2018-05-11 深圳市博为医疗机器人有限公司 一种同轴式自动配药机器人
CN108663379A (zh) * 2018-07-25 2018-10-16 德玛克（长兴）自动化系统有限公司 一种回转式药瓶智能灯检系统
CN113509381A (zh) * 2021-08-06 2021-10-19 四川省医学科学院·四川省人民医院 用于配药机器人的液剂抽取组件
CN113616518A (zh) * 2021-08-06 2021-11-09 四川省医学科学院·四川省人民医院 新型注射液剂配制机器人
CN114917803A (zh) * 2022-06-02 2022-08-19 华中科技大学同济医学院附属协和医院 一种多类型化疗药物防污染综合配药系统
CN115919432A (zh) * 2023-03-15 2023-04-07 吉林大学第一医院 一种用于预防骨髓回输液内脂肪颗粒输入装置

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CN105853220B (zh) * 2016-03-31 2018-12-11 成都杰仕德科技有限公司 配药用针体推送机构及使用方法
WO2018161198A1 (fr) * 2017-03-05 2018-09-13 肖丽芳 Système d'irrigation goutte à goutte entièrement automatique basé sur une technologie biologique
CN110108248A (zh) * 2018-02-01 2019-08-09 深圳市卫邦科技有限公司 一种钢针插入到位检测机构、配药机器人及检测方法
CN110101574A (zh) * 2018-02-01 2019-08-09 深圳市卫邦科技有限公司 一种可倒置溶媒的装置、配药机器人及实现方法
CN112520665B (zh) * 2019-09-19 2023-07-28 深圳三林生物技术有限公司 安瓿瓶夹紧机构及其控制系统

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CN108014015A (zh) * 2018-01-03 2018-05-11 深圳市博为医疗机器人有限公司 一种同轴式自动配药机器人
CN108663379A (zh) * 2018-07-25 2018-10-16 德玛克（长兴）自动化系统有限公司 一种回转式药瓶智能灯检系统
CN108663379B (zh) * 2018-07-25 2024-02-23 德玛克（长兴）注塑系统有限公司 一种回转式药瓶智能灯检系统
CN113509381A (zh) * 2021-08-06 2021-10-19 四川省医学科学院·四川省人民医院 用于配药机器人的液剂抽取组件
CN113616518A (zh) * 2021-08-06 2021-11-09 四川省医学科学院·四川省人民医院 新型注射液剂配制机器人
CN113509381B (zh) * 2021-08-06 2023-09-22 四川省医学科学院·四川省人民医院 用于配药机器人的液剂抽取组件
CN114917803A (zh) * 2022-06-02 2022-08-19 华中科技大学同济医学院附属协和医院 一种多类型化疗药物防污染综合配药系统
CN115919432A (zh) * 2023-03-15 2023-04-07 吉林大学第一医院 一种用于预防骨髓回输液内脂肪颗粒输入装置

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