WO2011072415A1 - 骨髓注液枪 - Google Patents

骨髓注液枪 Download PDF

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Publication number
WO2011072415A1
WO2011072415A1 PCT/CN2009/001448 CN2009001448W WO2011072415A1 WO 2011072415 A1 WO2011072415 A1 WO 2011072415A1 CN 2009001448 W CN2009001448 W CN 2009001448W WO 2011072415 A1 WO2011072415 A1 WO 2011072415A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
bone marrow
positioning
outer needle
injection gun
Prior art date
Application number
PCT/CN2009/001448
Other languages
English (en)
French (fr)
Inventor
杨力
盛志勇
何忠杰
Original Assignee
Yang Li
Sheng Zhiyong
He Zhongjie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2009202928353U external-priority patent/CN201631892U/zh
Priority claimed from CN2009102505122A external-priority patent/CN101703822B/zh
Application filed by Yang Li, Sheng Zhiyong, He Zhongjie filed Critical Yang Li
Publication of WO2011072415A1 publication Critical patent/WO2011072415A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections

Definitions

  • the invention relates to a medical device, which is an bone marrow injection gun which is suitable for emergency rescue of an infusion channel suitable for field conditions (including earthquakes, fires, traffic accidents and the like and various natural disasters).
  • the principle of establishing the medullary canal channel is to use the vascular network rich in the medullary cavity, which communicates with the blood circulation through the capillary network. Therefore, the drugs and liquids input into the medullary cavity can enter the blood circulation quickly and effectively.
  • the channel is quickly established in a very short period of time, and any drug that can be used intravenously can be used in the medullary cavity, including blood transfusion. Therefore, it is especially suitable for the rescue site, which can greatly improve the success rate of rescue. Summary of the invention
  • the function of the bone marrow injection gun of the invention is: in a short period of time, safely and reliably establish a passage for the external bone marrow to the internal bone marrow cavity, thereby achieving the purpose of establishing an infusion channel and infusion of a first aid medicine.
  • the present invention includes a gun body, a propulsion system, and an ejection system.
  • the gun body consists of four parts: the pusher, the positioning sleeve, the trigger and the firing device, and the handle.
  • the positioning sleeve and the pusher are connected by a rotating thread to achieve accurate positioning of the penetration depth.
  • the firing device consists of a pawl, a leaf spring, and a pin.
  • the trigger cooperates with the firing device to complete the locking, driving, and unlocking actions, so that the propulsion system provides enough Description
  • the force puts the trocar into the inside of the marrow cavity.
  • the propulsion system consists of a pull rod, a lever handle, a positioning card shooter, a limit card shooter, and a propulsion spring.
  • the positioning card and the limit card shoots constitute a safety device to ensure safe operation.
  • the ejection system consists of four parts: the inner needle, the outer needle, the needle fixing device and the collet.
  • the outer needle is a hollow structure, and the inner needle is a solid body located in the cavity of the outer needle.
  • the trocar consisting of the inner needle and the outer needle is closely connected with the needle fixing device through the chuck, and the limit card shoot and the positioning sleeve control the depth of the trocar into the bone marrow cavity.
  • the main component materials are mainly surface treated low carbon alloy steel.
  • the invention can make the trocar composed of the inner needle and the outer needle enter the marrow cavity within a few seconds, and take out the inner needle, and the emergency needle can be used for emergency infusion, sampling and the like.
  • the present invention is very suitable for establishing an infusion channel for rescue under field conditions (including various accidents caused by earthquakes, fires, traffic accidents, and natural disasters), and is a general-purpose medical device for military and civilian use.
  • the invention can be repeatedly used repeatedly, which greatly reduces the original use cost of such medical devices, and has broad application prospects in clinical practice.
  • the present invention has a simple structure, is light in weight, is portable, can be operated by one hand, and can be left in the body for a long time, and meets medical requirements in a broad sense.
  • the invention is safe, convenient and fast to use.
  • the puncture depth can be accurately positioned, administered to the patient in a very short period of time, for rescue or treatment purposes, and the wound is small and the risk of complications is low.
  • Figure 1 is a front view showing the structure of the present invention.
  • Figure 2 is a view of the firing device of the present invention.
  • Figure 3 is a view of the needle positioning device of the present invention.
  • Figure 4 is a diagram of the safety device of the present invention.
  • the invention includes a gun body, a propulsion system, and an ejection system.
  • the gun body is composed of a pusher, a positioning sleeve, a trigger 11, a firing device, and a handle 13.
  • the positioning sleeve 2 and the pusher 1 are connected by a rotating thread to achieve accurate positioning of the penetration depth.
  • the firing device consists of a leaf spring 3, a claw 5, and a pin 10.
  • the trigger 11 cooperates with the firing device to complete the locking, driving, and unlocking actions, so that the propulsion system provides sufficient force to inject the trocar into the medullary cavity.
  • the propulsion system consists of a propulsion spring 9, a positioning card bamboo shooter 14, a drawbar 15, a limit card shooter 16, and a drawbar handle 17 in total.
  • the positioning card bamboo shooter 14 and the limit card bamboo shoot 16 constitute an insurance device to ensure safe operation.
  • the ejection system consists of 4 parts: outer needle 4, inner needle 8, needle positioning device 6, and chuck 7.
  • the outer needle 4 is a hollow crust
  • the inner needle 8 is a solid body located in the cavity of the outer needle.
  • the trocar consisting of the inner needle 8 and the outer needle 4 is closely coupled with the needle positioning device 6 through the collet 7, and the trocar is controlled to enter the depth of the medullary cavity by the positioning sleeve 1 and the restriction rod 17 .
  • the needle positioning device 6 is tightly coupled to the tie rod 15, and is clamped and fixed by a fixing bolt 18.
  • the main component materials of the present invention are mainly surface treated low carbon alloy steels.
  • Position card shooter 16 Start the safety device. After finding the puncture site, the positioning sleeve 2 is aligned with the puncture site, and the trigger 11 is pulled to provide sufficient force to push the trocar into the marrow cavity. When the trocar composed of the inner needle 8 and the outer needle 4 enters the medullary cavity, the needle is stopped immediately, the inner needle 8 is separated from the outer needle 4, and the inner needle 8 is taken out, and the quick passage established by the outer needle 4 is realized.
  • the present invention is capable of ⁇ Desc/Clms Page number>> Without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims and the maximum scope of the principles and features disclosed herein.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

,、
说 明 书 骨髓注液枪
技术领域
本发明涉及一种医疗器械， 是一种适合野战条件下 （包括地震、 火灾、 交 通事故等各种事故和自然灾害的环境条件）紧急建立输液通路,用于抢救的骨髓 注液枪。
发明背景
目前， 大多数的临床急救过程中 ， 尤其对危重患者抢救时， 建立静脉输液 通道 ，及时给药可以为抢救赢得宝贵的时间。 但常有一些危重症病人由于脱水、 休克、 大出血等原因 ，不能快速有效的建立静脉通时 ，丧失最佳给药时机、 抢 救失败。 在这种情况下 ， 通过在极短时间内建立骨髓腔通道， 确保救治的药物 和液体及时给予是抢救的关键。
建立骨髓腔通道的原理是利用骨髓腔内含丰富的血管网， 经毛细血管网与 血循环相通， 因此， 输入骨髓腔内的药物、 液体可迅速、 有效地进入血循环。 在极短的时间内迅速建立通道， 且只要能静脉内使用的药物均可在骨髓腔内应 用， 包括输血。 因而特别适用于抢救现场， 可以大大提高抢救成功率。 发明内容
本发明骨髓注液枪的功能是： 在最短的时间内， 安全、 可靠的建立一条骨 质外部通往内部骨髓腔体的通道， 达到建立输液通路、 输注急救药物的目的。
为达到上述目的， 本发明包括枪体、 推进***和弹射***。 枪体由推进简、 定位套筒、 扳机与击发装置、 枪柄共 4部分组成。 定位套简与推进简通过旋转 螺紋连接， 实现穿刺深度的准确定位。 击发装置由击爪、 片簧、 销轴组成。 扳 机与击发装置配合配合完成闭锁、 驱动、 解锁的动作， 使推进***提供足够 说 明 书
的力量将套针射入骨髓腔内部。 推进***由拉杆、 拉杆手柄、 定位卡笋、 .限位 卡笋、 推进弹簧共 5部分组成。 由定位卡笋和限位卡笋构成保险装置， 以确保 安全操作。 弹射***由内针、 外针、 注射针固定装置、 夹头共 4部分组成。 外 针为空心结构， 内针为实心体， 位于外针的空腔内。 由内针， 外针组成的套针 通过夹头与注射针固定装置紧密衔接， 限位卡笋和定位套简控制套针进入骨髓 腔的深度。 主要零部件材料以经过表面处理的低碳合金钢为主。 本发明可以在 几秒钟之内， 让内针， 外针组成的套针进入骨髓腔内， 取出内针， 通过外针可 以实现紧急输液， 采样检测等工作。
综上所述本发明的主要优点有：
( 1 )本发明非常适合野战条件下（包括地震、 火灾、 交通事故等各种事故 和自然灾害造成的环境条件下）建立输液通路用于抢救， 是一种具有军民通用 型的医疗器械。
( 2 )本发明可以多次重复使用， 大幅度的降低原有的该类医疗器械的使用 成本， 在临床上有广泛的应用前景。
( 3 )本发明完全机械， 无任何能源要求。
( 4 )本发明结构简单、 重量轻、 便携式、 单手可以操作、 可以长时间留置 在体内， 符合广泛意义上的医学要求。
( 5 )本发明使用安全、 方便、 快捷。 在紧急情况下， 可以对穿刺深度精确 定位， 能够在极短的时间内， 对病患处给药， 达到抢救或治疗的目的， 并且创 面小， 并发症的风险较低。
附图说明
下面结合附图对本发明进一步详细的说明。 ,
说 明 书
图 1是本发明的结构主视图。
图 2是本发明的击发装置图。
图 3是本发明的注射针定位装置图。
图 4是本发明的保险装置图。
图中 1.推进简 2.定位套简 3.片簧 4.外针 5.击爪 6. 注射针固定装 置 7.夹头 8.内针 9.推进弹簧 10.销轴 11.扳机 12.定位销 13. 枪柄 14.定位卡笋 15.拉杆 16.限位卡笋 17.拉杆手柄 18.固定螺栓
具体实施方案
图中， 本发明包括枪体、 推进***和弹射***。 枪体由推进简 1、 定位套简 2、 扳机 11及击发装置、 枪柄 13组成。 定位套简 2与推进简 1通过旋转螺紋连 接， 实现穿刺深度的准确定位。 击发装置由片簧 3、 击爪 5、 销轴 10组成。 扳 机 11与击发装置配合完成闭锁、 驱动、 解锁的动作， 使推进***提供足够的力 量将套针射入骨髓腔内部。 推进***由推进弹簧 9、 定位卡笋 14、 拉杆 15、 限 位卡笋 16、拉杆手柄 17共 5部分组成。 由定位卡笋 14和限位卡笋 16构成保险 装置， 以确保安全操作。 弹射***由外针 4、 内针 8、 注射针定位装置 6、 夹头 7共 4部分组成。 外针 4为空心结抅， 内针 8为实心体， 位于外针的空腔内。 由 内针 8、 外针 4组成的套针通过夹头 7与注射针定位装置 6紧密衔接， 通过定位 套简 1和限位卡笋 17控制套针进入骨髓腔深度。 注射针定位装置 6与拉杆 15 紧密连接， 用固定螺栓 18将其夹紧固定。 本发明的主要零部件材料以经过表面 处理的低碳合金钢为主。
使用前， 取下定位套简 2 , 选择所需的套针， 用注射针定位装置 6与夹头 7 将其固定， 拉动拉杆手柄 17 , 压缩推进弹簧 9到预定位置， 用定位卡笋 14和限 ,、
说 明 书
位卡笋 16启动保险装置， 找好穿刺部位后， 定位套简 2对准穿刺部位， 扣动扳 机 11 , 使推进***提供足够的力量将套针射入骨髓腔内部。 当内针 8和外针 4 组成的套针进入骨髓腔后，立即停止进针，把内针 8与外针 4分离，取出内针 8， 通过外针 4建立的快速通道就实现了。 根据上述说明使得本领域技术人员能够制造和利用本发明， 但本发明并不 限于所示实施方案， 本领域技术人员可以很容易地依据本文所述原理和特征进 行本文优选实施方案的各种修改， 而不会偏离本发明的精神和范围。 本发明的 保护范围是由所附杈利要求所限定的与本文公开的原理和特征一致的最大范 围。

Claims

权 利 要 求 书
1、 一种骨髓注液枪， 其特征在于： 包括枪体、 推进***和弹射***。 枪体 由推进简、 定位套简、 扳机与击发装置、 枪柄 4 部分组成。 推进***由拉杆、 拉杆手柄、 定位卡笋、 限位卡笋、 推进弹簧 5 部分组成。 弹射***由内针、 外 针、 注射针固定装置、 夹头 4部分组成。 外针为空心结构， 内针为实心体， 位 于外针的空腔内。
2、 根据杈利要求 1所述的一种骨髓注液枪， 其特征在于： 所述的定位套筒 与推进简通过旋转螺紋连接， 实现穿刺深度的准确定位。
3、 根据杈利要求 1所述的一种骨髓注液枪， 其特征在于： 所述的由定位卡 笋和限位卡笋构成保险装置， 实现在机械势能完成后的闭锁状态， 以确保安全 操作。
4、 根据杈利要求 1所述的一种骨髓注液枪， 其特征在于： 所述由内针， 外 针组成的套针通过夹头与注射针固定装置紧密衔接。
5、 根据权利要求 1所述的一种骨髓注液枪， 其特征在于： 通过限位卡笋和 定位套简控制套针进入骨髓腔的深度。
6、 根据杈利要求 1所述的一种骨髓注液枪， 其特征在于： 所述的主要零部 件材料以低碳合金钢为主。
PCT/CN2009/001448 2009-12-14 2009-12-15 骨髓注液枪 WO2011072415A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200920292835.3 2009-12-14
CN2009202928353U CN201631892U (zh) 2009-12-14 2009-12-14 骨髓注液枪
CN2009102505122A CN101703822B (zh) 2009-12-14 2009-12-14 骨髓注液枪
CN200910250512.2 2009-12-14

Publications (1)

Publication Number Publication Date
WO2011072415A1 true WO2011072415A1 (zh) 2011-06-23

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87204864U (zh) * 1987-03-17 1988-11-02 程耀文 兽用万能进针器
CN2187928Y (zh) * 1994-03-11 1995-01-25 威海市文登中心医院 多功能弹射诊治器
US20050165403A1 (en) * 2004-01-26 2005-07-28 Miller Larry J. Impact-driven intraosseous needle
CN101198367A (zh) * 2005-07-27 2008-06-11 维达保健公司 用于向骨髓中注射的装置和方法
CN201324278Y (zh) * 2008-10-21 2009-10-14 杜蕾 骨穿刺针发射枪

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87204864U (zh) * 1987-03-17 1988-11-02 程耀文 兽用万能进针器
CN2187928Y (zh) * 1994-03-11 1995-01-25 威海市文登中心医院 多功能弹射诊治器
US20050165403A1 (en) * 2004-01-26 2005-07-28 Miller Larry J. Impact-driven intraosseous needle
CN101198367A (zh) * 2005-07-27 2008-06-11 维达保健公司 用于向骨髓中注射的装置和方法
CN201324278Y (zh) * 2008-10-21 2009-10-14 杜蕾 骨穿刺针发射枪

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