CN110236567B - a blood collection device - Google Patents
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- 239000008280 blood Substances 0.000 title claims abstract description 74
- 210000004369 blood Anatomy 0.000 title claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000017531 blood circulation Effects 0.000 claims abstract description 18
- 238000010241 blood sampling Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000009489 vacuum treatment Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000000652 homosexual effect Effects 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
- A61B5/15123—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising magnets or solenoids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
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Abstract
Description
技术领域technical field
本发明属于医疗器械技术领域,具体涉及一种采血装置。The invention belongs to the technical field of medical devices, and in particular relates to a blood collection device.
背景技术Background technique
在医疗过程中,通常需要对人体进行血液的采集,多采用一次性采血针与采血笔配套使用的方式。这种类型的采血器件由采血针和采血笔两部分组成,采血针由带针体的针柄内设一套击发单元,使用时,将采血针装在采血笔头部。In the medical process, it is usually necessary to collect blood from the human body, and a disposable lancet and a lancing pen are often used together. This type of blood collection device consists of a blood collection needle and a blood collection pen. The blood collection needle is provided with a firing unit in a needle handle with a needle body. When in use, the blood collection needle is installed on the head of the blood collection pen.
上述采血装置,只能采集小部分的血样,当需要采集较多一些的血量时,需要挤压采血部位处或者多次扎破皮肤来增加采血量,挤压采血部位处或是多次扎针采样,给被采样人员增加了较多疼痛感。The above blood collection device can only collect a small amount of blood samples. When a larger amount of blood needs to be collected, it is necessary to squeeze the blood collection site or puncture the skin multiple times to increase the blood collection volume, squeeze the blood collection site or puncture the needle multiple times. Sampling adds more pain to the sampled person.
发明内容SUMMARY OF THE INVENTION
为了解决上述问题,本发明提供了一种采血装置,可以收集较多的血样,以供医疗检测。In order to solve the above problems, the present invention provides a blood collection device, which can collect more blood samples for medical testing.
本发明的技术方案为:一种采血装置,包括针筒以及设置于针筒上的针头,其特征在于,还包括用于收集血液的集液机构以及驱动针头相对于针筒运动以扎破皮肤的驱动机构,所述针筒包括安装针头的安装段,所述安装段上开设有供针头穿出的针头通道,所述集液机构包括:The technical scheme of the present invention is: a blood collection device, comprising a needle cylinder and a needle set on the needle cylinder, characterized in that it further comprises a liquid collecting mechanism for collecting blood and driving the needle to move relative to the needle cylinder to puncture the skin The drive mechanism, the syringe includes a mounting section for mounting the needle, the mounting section is provided with a needle channel for the needle to pass through, and the liquid collecting mechanism includes:
穿设于安装段内且与针头通道相连通的血流导管;a blood flow conduit passing through the installation section and communicating with the needle channel;
用于储存血液的真空集液筒;Vacuum collection cartridges for storing blood;
设置于真空集液袋上且与血流导管可拆卸连接的连接导管。A connecting conduit that is arranged on the vacuum collection bag and is detachably connected to the blood flow conduit.
使用本发明进行采血时,将连接导管与血流导管连接,然后通过驱动机构驱动针头穿出针头通道,以扎破皮肤,当血液出来之后,由于真空集液筒处于真空状态,血液将依次经由针头通道、血流导管、连接管,最终进入真空集液筒内,待采集完成之后,将真空集液筒与血流导管分离,进行无菌密封即可。若需要对该患者采集更多的血样,可以立即换上新的真空集液筒进行采集即可。When using the present invention for blood collection, the connecting catheter is connected with the blood flow catheter, and then the needle is driven out of the needle channel by the driving mechanism to puncture the skin. The needle channel, the blood flow conduit and the connecting tube finally enter the vacuum collecting cylinder. After the collection is completed, the vacuum collecting cylinder and the blood flow conduit are separated and aseptically sealed. If you need to collect more blood samples from this patient, you can immediately change to a new vacuum collection cartridge for collection.
本发明中驱动机构的结构形式可以采用现有多种方式即可,并且本发明中真空集液筒在使用前的真空状态,可以采用真空处理装置进行真空处理,使其处于真空状态。The structural form of the driving mechanism in the present invention can be in various existing ways, and the vacuum liquid collecting cylinder in the present invention can be in a vacuum state before being used for vacuum treatment by a vacuum treatment device to make it in a vacuum state.
本发明中操作处理各个步骤时,需采用医疗标准,例如进行消毒,以避免污染。In the present invention, medical standards, such as sterilization, are required to avoid contamination during the various steps of the operation and treatment.
为了防止针头被污染,作为优选,所述安装段包括设置于针头通道端口处的圆锥形导流部,所述圆锥形导流部上设置封口薄膜。当需要扎针采集血液时,撕下封口薄膜即可。本发明住那个封口薄膜采用现有多种医用无菌薄膜即可。In order to prevent the needle from being polluted, preferably, the installation section includes a conical guide portion disposed at the port of the needle channel, and a sealing film is provided on the conical guide portion. When it is necessary to puncture the needle to collect blood, just tear off the sealing film. The sealing film of the present invention can use various existing medical sterile films.
作为优选,所述针筒还包括与安装段可拆卸连接且穿套于真空集液筒外部的储液段。Preferably, the syringe further includes a liquid storage section that is detachably connected to the installation section and is sheathed outside the vacuum liquid collecting cylinder.
作为优选,所述储液段上设置有刻度线。本发明可以根据刻度线初步确定采集的血量,对血量的采集起到参考指导作用。Preferably, a scale line is provided on the liquid storage section. The invention can preliminarily determine the blood volume to be collected according to the scale line, and plays a reference and guiding role in the collection of the blood volume.
本发明中驱动机构的结构形式有多种,作为优选,所述驱动机构包括:There are various structural forms of the driving mechanism in the present invention. Preferably, the driving mechanism includes:
与安装段内壁滑动配合的滑块;The sliding block slidingly matched with the inner wall of the installation section;
与滑块固定连接且用于安装针头的安装座;A mounting seat that is fixedly connected to the slider and is used to install the needle;
设置于安装座上的永磁铁;A permanent magnet arranged on the mounting seat;
与永磁铁相对布置的电磁铁;Electromagnets arranged opposite to permanent magnets;
启闭电磁铁的开关。The switch that turns the electromagnet on and off.
使用本发明时,若需要扎针进行血液的采集时,打开电磁铁的开关,电磁铁通电之后,将产生磁性,本发明中将电磁铁通电之后的磁性与永磁铁的磁性设置为相同磁性,因此当通电之后,根据磁性同性排斥原理,在磁力的作用下,滑块沿着安装段内壁滑动,进而使得针头从针头通道处穿出,进而扎破皮肤。本发明使用时,若只需采集小部分血样,例如采集血样用于血糖仪检测时,针头扎破皮肤之后,移开本发明,使得真空集液筒不对血液进行真空吸取,若需要较多血样时,则经由真空吸取血样进入真空集液筒内即可。When using the present invention, if it is necessary to puncture the needle for blood collection, turn on the switch of the electromagnet, after the electromagnet is energized, it will generate magnetism. After power-on, according to the principle of magnetic homogeneity repulsion, under the action of magnetic force, the slider slides along the inner wall of the installation section, so that the needle is pierced through the needle channel and the skin is pierced. When the present invention is used, if only a small part of blood sample needs to be collected, for example, when collecting blood samples for blood glucose meter testing, after the needle pierces the skin, the present invention is removed so that the vacuum collecting cylinder does not vacuum the blood. If more blood samples are required When it is, the blood sample can be sucked into the vacuum collecting cylinder through vacuum.
作为优选,还包括用于固定采血部位的固定机构。Preferably, a fixing mechanism for fixing the blood sampling site is also included.
作为优选,所述固定机构包括穿套于安装段外壁上的拉紧环以及设置于拉紧环上的绑扎带。采集手臂血样时,例如可以将帮扎带绑扎与手臂上,以便于采血。Preferably, the fixing mechanism includes a tension ring which is sheathed on the outer wall of the installation section and a binding band arranged on the tension ring. When collecting blood samples from an arm, for example, a tie can be tied around the arm to facilitate blood collection.
作为优选,所述安装段与储液段之间通过卡槽机构连接。卡槽机构的结构形式有多种,本发明中安装段与储液段之间的卡槽机构形式采用现有多种结构均可。Preferably, the installation section and the liquid storage section are connected by a slot mechanism. There are various structural forms of the slot mechanism, and the slot mechanism between the installation section and the liquid storage section in the present invention may adopt various existing structures.
作为优选,所述针头通道的内壁开设有环形凹槽,所述安装段上开设有与环形凹槽相连通的安装通道,所述血流导管的一端穿设于安装通道内,并延伸至环形凹槽处。采集血液时,血液进入环形凹槽内,然后再经由血流导管进入真空集液筒内。环形凹槽的设计可以避免血液进入安装段内部。Preferably, the inner wall of the needle channel is provided with an annular groove, the installation section is provided with an installation channel that communicates with the annular groove, and one end of the blood flow conduit is penetrated in the installation channel and extends to the annular groove groove. When blood is collected, the blood enters the annular groove, and then enters the vacuum collecting cylinder through the blood flow conduit. The annular groove is designed to prevent blood from entering the interior of the mounting section.
与现有技术相比,本发明的有益效果体现在:Compared with the prior art, the beneficial effects of the present invention are embodied in:
本发明可以采集较多血液,以供血液的多种项目的检测,也可以根据需要,只采集小部分血液,本发明使用起来非常方便,适合医疗中多种场合的使用。The present invention can collect more blood for the detection of various blood items, and can also collect only a small part of blood according to needs. The present invention is very convenient to use and is suitable for use in various medical occasions.
附图说明Description of drawings
图1为本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为图1中A处的放大结构示意图。FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 .
具体实施方式Detailed ways
如图1和图2所示,本发明包括针筒2以及设置于针筒2上的针头1,还包括用于收集血液的集液机构3以及驱动针头1相对于针筒2运动以扎破皮肤的驱动机构4,针筒2包括安装针头1的安装段21,安装段21上开设有供针头1穿出的针头通道212,集液机构3包括:As shown in FIG. 1 and FIG. 2 , the present invention includes a syringe 2 and a needle 1 disposed on the syringe 2 , and also includes a liquid collecting mechanism 3 for collecting blood and driving the needle 1 to move relative to the syringe 2 to puncture The driving mechanism 4 of the skin, the syringe 2 includes a mounting section 21 for mounting the needle 1, the mounting section 21 is provided with a
穿设于安装段21内且与针头通道相连通的血流导管31;a
用于储存血液的真空集液筒32;a vacuum collecting cartridge 32 for storing blood;
设置于真空集液袋上且与血流导管31可拆卸连接的连接导管33。The connecting
使用本发明进行采血时,将连接导管33与血流导管31连接,然后通过驱动机构4驱动针头1穿出针头通道,以扎破皮肤,当血液出来之后,由于真空集液筒32处于真空状态,血液将依次经由针头通道、血流导管31、连接管,最终进入真空集液筒32内,待采集完成之后,将真空集液筒32与血流导管31分离,进行无菌密封即可。若需要对该患者采集更多的血样,可以立即换上新的真空集液筒32进行采集即可。When using the present invention for blood collection, connect the connecting
如图1所示,本发明还包括用于固定采血部位的固定机构。本发明中固定机构的结构形式有多种,例如固定机构包括穿套于安装段21外壁上的拉紧环5以及设置于拉紧环5上的绑扎带6。采集手臂血样时,例如可以将帮扎带绑扎与手臂上,以便于采血。As shown in FIG. 1 , the present invention further includes a fixing mechanism for fixing the blood sampling site. There are various structural forms of the fixing mechanism in the present invention. For example, the fixing mechanism includes a tensioning ring 5 sheathed on the outer wall of the installation section 21 and a binding band 6 arranged on the tensioning ring 5 . When collecting blood samples from an arm, for example, a tie can be tied around the arm to facilitate blood collection.
本发明中驱动机构4的结构形式可以采用现有多种方式即可,并且本发明中真空集液筒32在使用前的真空状态,可以采用真空处理装置进行真空处理,使其处于真空状态。The structural form of the driving mechanism 4 in the present invention may adopt various existing methods, and the vacuum liquid collecting cylinder 32 in the present invention can be in a vacuum state before using a vacuum treatment device for vacuum treatment to make it in a vacuum state.
本发明中操作处理各个步骤时,需采用医疗标准,例如进行消毒,以避免污染。In the present invention, medical standards, such as sterilization, are required to avoid contamination during the various steps of the operation and treatment.
针头通道的内壁开设有环形凹槽211,安装段21上开设有与环形凹槽211相连通的安装通道,血流导管31的一端穿设于安装通道内,并延伸至环形凹槽211处。采集血液时,血液进入环形凹槽211内,然后再经由血流导管31进入真空集液筒32内。环形凹槽的设计可以避免血液进入安装段21内部。An
为了防止针头1被污染,安装段21包括设置于针头通道端口处的圆锥形导流部213,圆锥形导流部上设置封口薄膜214。当需要扎针采集血液时,撕下封口薄膜214即可。本发明住那个封口薄膜采用现有多种医用无菌薄膜即可。In order to prevent the needle 1 from being polluted, the installation section 21 includes a
针筒2还包括与安装段21可拆卸连接且穿套于真空集液筒32外部的储液段22。本发明中安装段21与储液段22之间通过卡槽机构连接。卡槽机构的结构形式有多种,本发明中安装段21与储液段22之间的卡槽机构形式采用现有多种结构均可。在储液段22上设置有刻度线221。本发明可以根据刻度线初步确定采集的血量,对血量的采集起到参考指导作用。The syringe 2 also includes a liquid storage section 22 that is detachably connected to the mounting section 21 and is sheathed outside the vacuum liquid collecting cylinder 32 . In the present invention, the installation section 21 and the liquid storage section 22 are connected by a slot mechanism. There are various structural forms of the slot mechanism, and the slot mechanism between the installation section 21 and the liquid storage section 22 in the present invention may adopt various existing structures. A scale line 221 is provided on the liquid storage section 22 . The invention can preliminarily determine the blood volume to be collected according to the scale line, and plays a reference and guiding role in the collection of the blood volume.
本发明中驱动机构4的结构形式有多种,如图1所示,驱动机构4包括:There are various structural forms of the driving mechanism 4 in the present invention. As shown in FIG. 1 , the driving mechanism 4 includes:
与安装段21内壁滑动配合的滑块41;The slider 41 slidingly matched with the inner wall of the mounting section 21;
与滑块41固定连接且用于安装针头1的安装座42;A mounting
设置于安装座上的永磁铁43;The permanent magnet 43 arranged on the mounting seat;
与永磁铁相对布置的电磁铁44;The
启闭电磁铁的开关45。
使用本发明时,若需要扎针进行血液的采集时,打开电磁铁44的开关45,电磁铁44通电之后,将产生磁性,本发明中将电磁铁44通电之后的磁性与永磁铁43的磁性设置为相同磁性,因此当通电之后,根据磁性同性排斥原理,在磁力的作用下,滑块41沿着安装段21内壁滑动,进而使得针头1从针头通道处穿出,进而扎破皮肤。本发明使用时,若只需采集小部分血样,例如采集血样用于血糖仪检测时,针头扎破皮肤之后,移开本发明,使得真空集液筒不对血液进行真空吸取,若需要较多血样时,则经由真空吸取血样进入真空集液筒内即可。When using the present invention, if it is necessary to puncture the needle for blood collection, turn on the
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CN201910526727.6A CN110236567B (en) | 2019-06-18 | 2019-06-18 | a blood collection device |
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CN201910526727.6A CN110236567B (en) | 2019-06-18 | 2019-06-18 | a blood collection device |
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