CN221931974U - Disposable venous blood collection component - Google Patents
Disposable venous blood collection component Download PDFInfo
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- CN221931974U CN221931974U CN202323636194.8U CN202323636194U CN221931974U CN 221931974 U CN221931974 U CN 221931974U CN 202323636194 U CN202323636194 U CN 202323636194U CN 221931974 U CN221931974 U CN 221931974U
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- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 238000010241 blood sampling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
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- 206010018910 Haemolysis Diseases 0.000 description 3
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
本实用新型涉及医疗器械领域，尤其涉及一种一次性静脉采血组件。本实用新型包括采血针组件以及与采血针组件可拆卸连接的采血管；所述采血针组件包括穿刺针、活动套设于所述穿刺针外的穿刺针针帽、钝头尾针、活动套设于所述钝头尾针外的橡胶护套、活动套设于所述橡胶护套外的尾针针帽以及设于所述穿刺针与所述钝头尾针之间的软管。本实用新型的目的在于提供一种一次性静脉采血组件，其解决了现有采血针采血过程中针头滑动脱出、针刺伤等安全隐患且血液收集过程中易出现血液标本不合格的问题。
The utility model relates to the field of medical devices, and in particular to a disposable venous blood collection assembly. The utility model includes a blood collection needle assembly and a blood collection tube detachably connected to the blood collection needle assembly; the blood collection needle assembly includes a puncture needle, a puncture needle cap movably mounted outside the puncture needle, a blunt tail needle, a rubber sheath movably mounted outside the blunt tail needle, a tail needle cap movably mounted outside the rubber sheath, and a hose disposed between the puncture needle and the blunt tail needle. The purpose of the utility model is to provide a disposable venous blood collection assembly, which solves the safety hazards of needle slipping out and needle puncture during blood collection with existing blood collection needles, and the problem of unqualified blood specimens being prone to occur during blood collection.
Description
技术领域Technical Field
本实用新型涉及医疗器械领域，尤其涉及一种一次性静脉采血组件。The utility model relates to the field of medical instruments, in particular to a disposable venous blood sampling component.
背景技术Background Art
静脉采血针是一种在医疗检验过程中用于采集血样的采血针。现有采血针有持针器、接头、穿刺针、橡胶部分等组成，其一端的穿刺针用于穿刺血管，另一端的尾针用于刺入真空采血试管，尾针与穿刺针之间通过透明软管相连接。现有的采集针存在以下几点不足：A venous blood collection needle is a blood collection needle used to collect blood samples during medical examinations. Existing blood collection needles are composed of a needle holder, a joint, a puncture needle, a rubber part, etc. The puncture needle at one end is used to puncture a blood vessel, and the tail needle at the other end is used to pierce a vacuum blood collection tube. The tail needle and the puncture needle are connected by a transparent hose. Existing collection needles have the following shortcomings:
1、在采血过程中，由于需要更换采血管，在抽插尾针的过程中容易牵动穿刺针整体，造成针体在血管内滑动，损伤血管壁甚至直接脱出血管或是脱出皮肤的情况，不仅拉低医护人员的工作效率，也容易引起患者不适。1. During the blood collection process, since the blood collection tube needs to be replaced, the entire puncture needle is easily affected during the process of pulling out the tail needle, causing the needle body to slide in the blood vessel, damaging the blood vessel wall or even directly falling out of the blood vessel or the skin, which not only reduces the work efficiency of medical staff, but also easily causes discomfort to patients.
2、临床现有尾针的针尖部分为了穿过采血试管，其通常设置为尖锐针尖，操作者在操作过程中往往注意了穿刺针的针尖段，注意避免穿刺针刺伤自己，却忽略了尾针的危险，尾针的针尖端暴露在外，在操作过程中，容易出现意外。且在穿插尾针时，尾针部分易出现刺入采血管过程中未对好橡胶塞，导致尾针刺到操作者。或是套于尾针上的橡胶护套在与采血管分离后未及时回弹，导致拔针时不小心刺伤操作者或被采血者的情况。2. In order to pass through the blood collection tube, the tip of the existing tail needle is usually set as a sharp needle tip. During the operation, the operator often pays attention to the tip of the puncture needle to avoid stabbing himself, but ignores the danger of the tail needle. The tip of the tail needle is exposed to the outside, which is prone to accidents during the operation. When inserting the tail needle, the rubber plug of the tail needle is not aligned properly during the insertion of the blood collection tube, causing the tail needle to stab the operator. Or the rubber sheath on the tail needle does not rebound in time after being separated from the blood collection tube, resulting in the operator or the person whose blood is being drawn being accidentally stabbed when the needle is pulled out.
3、临床现有尾针针头的出血孔通常设计于尾针针头尖端处，采血管为方便血液流入，都为负压真空管。尾针针头刺入采血管时，由于采血管内的负压作用，血液往往直接冲击管底，血液震荡起泡，易造成血细胞破裂、溶血，从而导致血液标本不合格，浪费人力物力财力。3. The bleeding hole of the existing tail needle is usually designed at the tip of the tail needle. To facilitate blood flow, the blood collection tube is a negative pressure vacuum tube. When the tail needle pierces the blood collection tube, due to the negative pressure in the blood collection tube, the blood often directly impacts the bottom of the tube, causing blood vibration and bubbling, which can easily cause blood cell rupture and hemolysis, resulting in unqualified blood specimens and a waste of manpower, material and financial resources.
因此如何设计一种能解决上述技术问题的一种一次性静脉采血组件是需要解决的技术问题。Therefore, how to design a disposable venous blood collection component that can solve the above technical problems is a technical problem that needs to be solved.
实用新型内容Utility Model Content
为了解决上述问题，本实用新型的目的在于提供一种一次性静脉采血组件，其解决了现有采血针采血过程中针头滑动脱出、针刺伤等安全隐患且血液收集过程中易出现血液标本不合格的问题。In order to solve the above problems, the purpose of the utility model is to provide a disposable venous blood collection assembly, which solves the safety hazards of needle slipping and needlestick injuries during blood collection, and the problem of unqualified blood specimens during blood collection.
为实现上述目的，本实用新型采用以下技术方案：包括采血针组件以及与采血针组件可拆卸连接的采血管；所述采血针组件包括穿刺针、活动套设于所述穿刺针外的穿刺针针帽、钝头尾针、活动套设于所述钝头尾针外的橡胶护套、活动套设于所述橡胶护套外的尾针针帽以及设于所述穿刺针与所述钝头尾针之间的软管；所述穿刺针针体一侧设有持针翼，所述持针翼一侧端面上粘贴设有固定胶条；所述橡胶护套顶端设有针孔。To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes a blood collection needle assembly and a blood collection tube detachably connected to the blood collection needle assembly; the blood collection needle assembly includes a puncture needle, a puncture needle cap movably mounted on the outside of the puncture needle, a blunt tail needle, a rubber sheath movably mounted on the outside of the blunt tail needle, a tail needle cap movably mounted on the outside of the rubber sheath, and a hose arranged between the puncture needle and the blunt tail needle; a needle holding wing is provided on one side of the puncture needle body, and a fixing rubber strip is adhered to the end surface of one side of the needle holding wing; a pinhole is provided on the top of the rubber sheath.
进一步的，所述采血管包括玻璃管身以及活动套设于所述玻璃管身端口的塑料顶盖；所述塑料顶盖内开设有贯穿塑料顶盖上下端面的通孔，所述通孔内设有橡胶塞，所述橡胶塞顶端面预留开设有入针孔，所述橡胶塞内位于入针孔的正下方开设有入针道，且所述入针道接近所述橡胶塞底部。Furthermore, the blood collection tube includes a glass tube body and a plastic top cover movably mounted on the end of the glass tube body; a through hole penetrating the upper and lower end surfaces of the plastic top cover is provided in the plastic top cover, a rubber plug is provided in the through hole, a needle entry hole is reserved on the top surface of the rubber plug, a needle entry channel is provided in the rubber plug directly below the needle entry hole, and the needle entry channel is close to the bottom of the rubber plug.
进一步的，所述固定胶条远离持针翼一侧端面上设有回折式离型纸，所述回折式离型纸一侧与所述固定胶条粘贴连接，另一侧回折设于所述穿刺针针体远离持针翼一侧。Furthermore, a folded release paper is provided on the end surface of the fixing adhesive strip away from the needle holding wing, one side of the folded release paper is adhesively connected to the fixing adhesive strip, and the other side is folded back and arranged on the side of the puncture needle body away from the needle holding wing.
进一步的，所述持针翼包括与穿刺针针体固定连接且水平设置的固定翼部以及弧形翼部。Furthermore, the needle holding wing includes a fixed wing portion and an arc-shaped wing portion which are fixedly connected to the puncture needle body and arranged horizontally.
进一步的，所述弧形翼部其弯曲弧度为30°-40°。Furthermore, the curvature of the arc-shaped wing portion is 30°-40°.
进一步的，所述钝头尾针针体外周壁上开设有出血孔。Furthermore, a bleeding hole is provided on the outer peripheral wall of the blunt-headed tail needle.
本实用新型具有如下有益效果：The utility model has the following beneficial effects:
1、临床现有采血针，在采血过程中，由于需更换尾针上的采血管，牵动针体，会出现针体在血管内滑动，损伤血管壁甚至直接脱出血管或是脱出皮肤的情况。本实用新型在持针翼的固定翼部一侧端面设置用于紧贴皮肤的固定胶带，并在所述固定胶条的另一侧设置回折式离型纸，方便分离回折式离型纸与固定胶条，操作实用方便，能够有效防止针体晃动、针体滑脱的问题。1. In the existing clinical blood collection needles, during the blood collection process, the blood collection tube on the tail needle needs to be replaced, which pulls the needle body, causing the needle body to slide in the blood vessel, damage the blood vessel wall, or even directly fall out of the blood vessel or the skin. The utility model is provided with a fixing tape for close contact with the skin on one end face of the fixed wing of the needle holding wing, and a folded release paper is provided on the other side of the fixed tape, so as to facilitate the separation of the folded release paper and the fixed tape. The operation is practical and convenient, and can effectively prevent the problem of the needle body shaking and slipping.
2、临床现有采血针的尾针部分为尖锐针尖，操作者在操作过程中往往注意了穿刺针段小心不刺伤自己却往往忽略了尾针的危险。且在操作过程中，尾针部分易出现刺入采血管过程中未对好橡胶塞，导致尾针刺到操作者。或是套于尾针上的橡胶护套在与采血管分离后未及时回弹，导致拔针时不小心刺伤操作者或被采血者。本实用新型将尾针针头改为圆润钝头，并在所述钝头尾针上活动套设橡胶护套，并在所述橡胶护套顶部设计与钝头尾针相对应的针孔，保证了钝头尾针针头不会再出现针刺伤的情况。同时，为保证采血管内负压真空环境不受时间、环境影响，虽在橡胶塞处预留了入针孔与入针道，但入针道未完全穿透橡胶塞，需钝头尾针插入后才完全穿透。2. The tail needle of the existing clinical blood collection needle is a sharp needle tip. During the operation, the operator often pays attention to the puncture needle section to be careful not to stab himself, but often ignores the danger of the tail needle. In addition, during the operation, the tail needle part is prone to piercing the rubber plug when piercing the blood collection tube, causing the tail needle to stab the operator. Or the rubber sheath on the tail needle does not rebound in time after being separated from the blood collection tube, causing the operator or the person whose blood is being drawn to be accidentally stabbed when the needle is pulled out. The utility model changes the tail needle needle head to a rounded blunt head, and movably sets a rubber sheath on the blunt tail needle, and designs a needle hole corresponding to the blunt tail needle on the top of the rubber sheath, ensuring that the blunt tail needle needle will not cause needle stab injuries. At the same time, in order to ensure that the negative pressure vacuum environment in the blood collection tube is not affected by time and environment, although the needle entry hole and needle entry channel are reserved at the rubber plug, the needle entry channel does not completely penetrate the rubber plug, and the blunt tail needle needs to be inserted before it can be completely penetrated.
3、本实用新型将尾针针端出血口移至针体头端侧面，血液进入采血管时会斜射至管壁，再沿管壁缓冲流入管底，有效防止血细胞破裂、溶血等问题的产生。3. The utility model moves the bleeding port of the tail needle end to the side of the needle head end. When the blood enters the blood collection tube, it will be obliquely sprayed to the tube wall, and then flow along the tube wall to the bottom of the tube, effectively preventing the occurrence of problems such as blood cell rupture and hemolysis.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本实用新型示意图；Fig. 1 is a schematic diagram of the utility model;
图2为本实用新型钝头尾针部份截面示意图；FIG2 is a partial cross-sectional schematic diagram of a blunt-end tail needle of the present invention;
图3为本实用新型塑料顶盖截面示意图；Figure 3 is a schematic cross-sectional view of the plastic top cover of the utility model;
图4为本实用新型穿刺针使用示意图；FIG4 is a schematic diagram of the use of the puncture needle of the utility model;
图5为本实用新型使用状态示意图。FIG5 is a schematic diagram of the utility model in use.
附图标记说明：Description of reference numerals:
1-采血组件、11-穿刺针、12-穿刺针针帽、13-钝头尾针、131-出血孔、14-橡胶护套、141-针孔、15-尾针针帽、16-软管、17-持针翼、171-固定胶条、172-固定翼部、173-弧形翼部、18-回折式离型纸；1-blood collection assembly, 11-puncture needle, 12-puncture needle cap, 13-blunt tail needle, 131-bleeding hole, 14-rubber sheath, 141-needle hole, 15-tail needle cap, 16-hose, 17-needle holding wing, 171-fixing rubber strip, 172-fixing wing, 173-arc wing, 18-folded release paper;
2-采血管、21-玻璃管身、22-塑料顶盖、221-通孔、222-橡胶塞、2221-入针孔、2222-入针道。2-blood collection tube, 21-glass tube body, 22-plastic top cover, 221-through hole, 222-rubber stopper, 2221-needle entrance hole, 2222-needle entrance channel.
具体实施方式DETAILED DESCRIPTION
以下结合附图和具体实施例对本实用新型做进一步详细说明：The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
参见图1-5所示，该方案包括采血针组件1以及与采血针组件1可拆卸连接的采血管2；As shown in FIGS. 1-5 , the solution includes a blood collection needle assembly 1 and a blood collection tube 2 detachably connected to the blood collection needle assembly 1;
所述采血针组件1包括穿刺针11(用于穿过皮肤，置于血管内采集血液)、活动套设于所述穿刺针11外的穿刺针针帽12(用于保护穿刺针11不受污染，防止针刺伤)、钝头尾针13、活动套设于所述钝头尾针13外的橡胶护套14(密闭钝头尾针13保证采血针组件1内气压，避免钝头尾针13未连接采血管2时血液流出)、活动套设于所述橡胶护套14外的尾针针帽15(用于保护钝头尾针13不受污染，防止针刺伤)以及设于所述穿刺针11与所述钝头尾针13之间的软管16。The blood collection needle assembly 1 includes a puncture needle 11 (used to penetrate the skin and be placed in a blood vessel to collect blood), a puncture needle cap 12 movably mounted on the outside of the puncture needle 11 (used to protect the puncture needle 11 from contamination and prevent needlestick injuries), a blunt tail needle 13, a rubber sheath 14 movably mounted on the outside of the blunt tail needle 13 (sealing the blunt tail needle 13 to ensure the air pressure in the blood collection needle assembly 1 and prevent blood from flowing out when the blunt tail needle 13 is not connected to the blood collection tube 2), a tail needle cap 15 movably mounted on the outside of the rubber sheath 14 (used to protect the blunt tail needle 13 from contamination and prevent needlestick injuries) and a hose 16 arranged between the puncture needle 11 and the blunt tail needle 13.
穿刺针11针体一侧设有用于方便医护人员手持的持针翼17，所述持针翼17一侧端面上粘贴设有固定胶条171；所述橡胶护套14顶端设有针孔141；A needle holding wing 17 is provided on one side of the needle body of the puncture needle 11 for the convenience of holding by medical personnel, and a fixing rubber strip 171 is attached to one end surface of the needle holding wing 17; a needle hole 141 is provided on the top of the rubber sheath 14;
采血管2包括玻璃管身21以及活动套设于所述玻璃管身21端口的塑料顶盖22；所述塑料顶盖22内开设有贯穿塑料顶盖22上下端面的通孔221，所述通孔221内设有橡胶塞222，所述橡胶塞222顶端面预留开设有入针孔2221，所述橡胶塞222内位于入针孔2221的正下方开设有入针道2222，且所述入针道2222接近所述橡胶塞222底部(即入针道2222未穿透橡胶塞222)。The blood collection tube 2 includes a glass tube body 21 and a plastic top cover 22 movably mounted on the end of the glass tube body 21; a through hole 221 penetrating the upper and lower end surfaces of the plastic top cover 22 is provided in the plastic top cover 22, a rubber plug 222 is provided in the through hole 221, a needle entry hole 2221 is reserved on the top surface of the rubber plug 222, a needle entry channel 2222 is provided in the rubber plug 222 just below the needle entry hole 2221, and the needle entry channel 2222 is close to the bottom of the rubber plug 222 (i.e., the needle entry channel 2222 does not penetrate the rubber plug 222).
上述固定胶条171可为双面胶体、水胶体或胶块，固定胶条171远离持针翼17一侧端面上设有回折式离型纸18，所述回折式离型纸18一侧与所述固定胶条171粘贴连接，另一侧回折设于所述穿刺针11针体远离持针翼17一侧。方便医护人员撕除回折式离型纸18。The fixing adhesive strip 171 can be a double-sided colloid, a hydrocolloid or an adhesive block. A folded release paper 18 is provided on the end surface of the fixing adhesive strip 171 away from the needle holding wing 17. One side of the folded release paper 18 is glued and connected to the fixing adhesive strip 171, and the other side is folded back and arranged on the side of the puncture needle 11 away from the needle holding wing 17. It is convenient for medical staff to tear off the folded release paper 18.
持针翼17包括与穿刺针11针体固定连接且水平设置的固定翼部172以及方便医护人员拿持的弧形翼部173，所述固定胶条171设于所述固定翼部172。最优的，弧形翼部173其弯曲弧度为30°-40°，持针翼17部远离患者手背，方便医护人员进针。The needle holding wing 17 includes a fixed wing portion 172 fixedly connected to the needle body of the puncture needle 11 and arranged horizontally, and an arc-shaped wing portion 173 for convenient holding by medical staff, and the fixed rubber strip 171 is arranged on the fixed wing portion 172. Optimally, the arc-shaped wing portion 173 has a curvature of 30°-40°, and the needle holding wing 17 is away from the back of the patient's hand, which is convenient for medical staff to insert the needle.
钝头尾针13针体外周壁上开设有出血孔131，钝头尾针13针头处圆润，钝头尾针13为侧开孔型针头，一方面相较于正孔型针头，其针头顶端圆钝避免使用时扎伤医护人员，另一方面侧开孔在穿过橡胶塞222时，能有效减少胶塞屑的产生。使用时与采血管2橡胶塞222相连，导血入采血管2，血液进入采血管2时会斜射至管壁，再沿管壁缓冲流入管底，有效防止血细胞破碎、溶血等问题。A bleeding hole 131 is provided on the outer peripheral wall of the blunt-tip needle 13. The blunt-tip needle 13 is rounded. The blunt-tip needle 13 is a side-opening needle. On the one hand, compared with a straight-hole needle, the tip of the needle is rounded to avoid stabbing medical staff during use. On the other hand, the side opening can effectively reduce the generation of rubber plug scraps when passing through the rubber plug 222. When in use, it is connected to the rubber plug 222 of the blood collection tube 2 to guide blood into the blood collection tube 2. When the blood enters the blood collection tube 2, it will be obliquely injected to the tube wall, and then flow into the tube bottom along the tube wall as a buffer, effectively preventing problems such as blood cell fragmentation and hemolysis.
工作原理大致如下：The working principle is roughly as follows:
1、确定患者血管位置并对皮肤进行消毒。2、分离穿刺针针帽12和尾针针帽15，手持持针翼17，将穿刺针11针尖送入静脉内，见软管16头端少量回血，确定针尖位于静脉内。3、右手手持持针翼17，将针角度放平紧贴皮肤，左手拉除回折式离型纸18，通过固定胶条171将持针翼17黏贴于皮肤上。4、左手持钝头尾针13针体底部塑料底座，右手持采血管2，将钝头尾针13从塑料顶盖22的橡胶塞222顶部上入针孔2221穿过，通过入针道2222并扎穿橡胶塞222与采血管2进行连接。5、血液通过钝头尾针13侧面的出血孔131并沿管壁流入管底，待标本量达标，分离钝头尾针13及采血管2。6、右手轻黏持针翼17的弧形翼部173，将持针翼17立起垂直于皮肤，分离固定胶条171与皮肤黏贴部分。7、拔除穿刺针11，棉签按压穿刺点。1. Determine the location of the patient's blood vessels and disinfect the skin. 2. Separate the puncture needle cap 12 and the tail needle cap 15, hold the needle wing 17, and insert the tip of the puncture needle 11 into the vein. When a small amount of blood returns from the end of the hose 16, confirm that the needle tip is in the vein. 3. Hold the needle wing 17 with your right hand, and place the needle flat against the skin. Pull off the folded release paper 18 with your left hand, and stick the needle wing 17 to the skin with the fixing tape 171. 4. Hold the plastic base at the bottom of the blunt-tipped tail needle 13 with your left hand, hold the blood collection tube 2 with your right hand, and insert the blunt-tipped tail needle 13 through the needle hole 2221 on the top of the rubber stopper 222 of the plastic top cover 22, and connect it to the blood collection tube 2 through the needle channel 2222 and pierce the rubber stopper 222. 5. The blood flows through the bleeding hole 131 on the side of the blunt-tip needle 13 and along the tube wall to the bottom of the tube. When the sample volume reaches the standard, separate the blunt-tip needle 13 and the blood collection tube 2. 6. Use your right hand to gently stick the arc-shaped wing 173 of the needle holding wing 17, stand the needle holding wing 17 vertically to the skin, and separate the fixing tape 171 from the skin sticking part. 7. Remove the puncture needle 11 and press the puncture point with a cotton swab.
以上所述仅为本实用新型的具体实施方式，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括在本实用新型的专利保护范围内。The above description is only a specific implementation method of the utility model, and does not limit the patent scope of the utility model. Any equivalent structural transformation made using the contents of the utility model specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.
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