CN102998150B - Body fluid detection preprocessing device - Google Patents
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- CN102998150B CN102998150B CN201210590399.4A CN201210590399A CN102998150B CN 102998150 B CN102998150 B CN 102998150B CN 201210590399 A CN201210590399 A CN 201210590399A CN 102998150 B CN102998150 B CN 102998150B
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Abstract
一种体液检测前期处理装置，包括处理盒、采集器，所述处理盒内腔设有过滤层将处理盒内腔分隔为上、下两个腔体，过滤层为高分子筛网，过滤层上方的腔体为混匀腔，过滤层下方的腔体为取样腔，取样腔壁上设有取样孔，取样孔中设有密封胶塞；所述采集器盖在处理盒上端，采集器上设有加液孔，所述采集器包括盒盖、采样勺、旋转连接套，盒盖与处理盒连接，盒盖轴向上设有通孔，旋转连接套间隙配合在盒盖的通孔中，旋转连接套下端连接采样勺，采样勺位于混匀腔中，旋转连接套上端用于连接旋转棒。所述体液检测前期处理装置可以安全、稳定、方便、快捷、低成本的完成体液或大便等排泄物的实验检测前期初步处理。
A pre-processing device for body fluid detection, including a processing box and a collector. The inner cavity of the processing box is provided with a filter layer to divide the inner cavity of the processing box into upper and lower cavities. The filter layer is a polymer sieve. The cavity is a mixing cavity, the cavity below the filter layer is a sampling cavity, a sampling hole is provided on the wall of the sampling cavity, and a sealing rubber plug is arranged in the sampling hole; the collector cover is on the upper end of the processing box, and the collector is provided with a There is a liquid filling hole. The collector includes a box cover, a sampling spoon, and a rotary connection sleeve. The box cover is connected to the processing box. The box cover is provided with a through hole in the axial direction, and the rotation connection sleeve is gap-fitted in the through hole of the box cover. The lower end of the rotary connecting sleeve is connected with a sampling spoon, the sampling spoon is located in the mixing chamber, and the upper end of the rotating connecting sleeve is used for connecting with a rotating rod. The pre-processing device for body fluid detection can safely, stably, conveniently, quickly, and low-cost complete the preliminary processing of body fluid or stool and other excreta in the early stage of experimental detection.
Description
技术领域 technical field
本发明涉及医疗检测处理器械，特别涉及体液检测前期处理装置。 The invention relates to a medical testing and processing device, in particular to a body fluid testing pre-processing device.
背景技术 Background technique
在临床上，体液或排泄物的检测能了解体液在生理和病理条件下的变化规律，对诊断、防治预防疾病具有重要意义。由于体液组成较复杂，针对不同的检测项目，检测前会对体液进行相应的初步处理。为取得较好镜检效果，目前对体液处理常用方法为稀释和染色。现有技术中，也有如美国DiaSys FE-2 Parasep粪便离心管、厦门信道生物技术有限公司粪便分析工作站100R型﹑ WLW—I型样本取样器﹑兰洁-2000型样本取样器等处理设备，但他们通常都采用试管作为盛装样本的容器。由于采用试管处理检测样本，没有专门的装置盛放、处理检测样本，处理过程中极易被外界污染，且处理步骤复杂、处理效果差、处理效率低。 Clinically, the detection of body fluids or excretions can understand the changes of body fluids under physiological and pathological conditions, which is of great significance for the diagnosis, prevention and treatment of diseases. Due to the complex composition of body fluids, corresponding preliminary treatment will be performed on body fluids before testing for different testing items. In order to obtain better microscopic examination results, the common methods of body fluid treatment are dilution and staining. In the prior art, there are also processing equipment such as DiaSys FE-2 Parasep stool centrifuge tube from the United States, Xiamen Channel Biotechnology Co., Ltd. stool analysis workstation 100R, WLW-I sample sampler, Lanjie-2000 sample sampler and other processing equipment, but They usually all adopt test tube as the container of splendid attire sample. Due to the use of test tubes to process test samples, there is no special device to hold and process test samples, which is easily contaminated by the outside during the process, and the processing steps are complicated, the processing effect is poor, and the processing efficiency is low.
发明内容 Contents of the invention
针对现有技术中的缺点，本发明提供一种简易、稳定、安全、快速、高效的体液检测前期处理装置。 Aiming at the shortcomings in the prior art, the present invention provides a simple, stable, safe, fast and efficient body fluid detection pre-processing device.
本发明的技术方案是： 一种体液检测前期处理装置，包括处理盒、采集器，所述处理盒内腔设有过滤层将处理盒内腔分隔为上、下两个腔体，过滤层为高分子筛网，过滤层上方的腔体为混匀腔，过滤层下方的腔体为取样腔，取样腔壁上设有取样孔，取样孔中设有密封胶塞；所述采集器盖在处理盒上端，采集器上设有加液孔，所述采集器包括盒盖、采样勺、旋转连接套，盒盖与处理盒连接，盒盖轴向上设有通孔，旋转连接套间隙配合在盒盖的通孔中，旋转连接套下端连接采样勺，采样勺位于混匀腔中，旋转连接套上端用于连接旋转棒。 The technical solution of the present invention is: a kind of pre-processing device for body fluid detection, comprising a processing box and a collector, the inner cavity of the processing box is provided with a filter layer to separate the inner cavity of the processing box into upper and lower cavities, and the filter layer is Polymer sieve, the cavity above the filter layer is a mixing cavity, the cavity below the filter layer is a sampling cavity, a sampling hole is provided on the wall of the sampling cavity, and a sealing rubber plug is provided in the sampling hole; the collector cover is processed At the upper end of the box, a liquid filling hole is provided on the collector. The collector includes a box cover, a sampling spoon, and a rotary connection sleeve. The box cover is connected to the processing box. In the through hole of the box cover, the lower end of the rotating connecting sleeve is connected to the sampling spoon, the sampling spoon is located in the mixing chamber, and the upper end of the rotating connecting sleeve is used to connect to the rotating rod.
所述旋转连接套为轴向通孔套，采样勺的杆部从旋转连接套下端插入旋转连接套的轴向通孔内固定，旋转连接套的轴向通孔上端设置旋转棒固定胶头，固定胶头的中心设有用于周向固定旋转棒的孔，旋转棒下端插入固定胶头的孔中与固定胶头固定连接。 The rotary connection sleeve is an axial through-hole sleeve, and the rod portion of the sampling spoon is inserted into the axial through hole of the rotary connection sleeve from the lower end of the rotary connection sleeve to fix, and the upper end of the axial through hole of the rotary connection sleeve is provided with a rotating rod to fix the rubber head. The center of the fixed rubber head is provided with a hole for circumferentially fixing the rotating rod, and the lower end of the rotating rod is inserted into the hole of the fixed rubber head to be fixedly connected with the fixed rubber head.
所述固定胶头的用于周向固定旋转棒的孔为十字槽孔或多边形孔；旋转棒下端为与固定胶头的孔相对应的十字花键或多边形结构。 The hole of the fixed rubber head for circumferentially fixing the rotating rod is a cross-recessed hole or a polygonal hole; the lower end of the rotating rod is a cross spline or a polygonal structure corresponding to the hole of the fixed rubber head.
所述旋转连接套为阶梯套，盒盖轴向设置的通孔为阶梯孔，该阶梯孔的下端为小径端，旋转连接套位于盒盖的阶梯孔中，旋转连接套的轴肩定位于阶梯孔的孔肩。 The rotary connecting sleeve is a stepped sleeve, the through hole provided in the axial direction of the box cover is a stepped hole, the lower end of the stepped hole is a small diameter end, the rotary connecting sleeve is located in the stepped hole of the box cover, and the shaft shoulder of the rotary connecting sleeve is positioned on the stepped hole. The shoulder of the hole.
所述旋转连接套为圆锥套，盒盖轴向设置的通孔为圆锥孔，圆锥孔的下端为小径端，旋转连接套位于盒盖的圆锥孔中轴定位。 The rotary connection sleeve is a conical sleeve, the through hole provided in the axial direction of the box cover is a conical hole, the lower end of the conical hole is a small diameter end, and the rotary connection sleeve is positioned in the center of the conical hole of the box cover.
所述采集器上的加液孔设于采样勺杆部，该加液孔从采样勺杆部上端沿轴向延伸，并从采样勺杆部的中段穿出形成通孔。 The liquid filling hole on the collector is arranged on the sampling spoon shaft, the liquid filling hole extends axially from the upper end of the sampling spoon shaft, and passes through the middle section of the sampling spoon shaft to form a through hole.
所述旋转棒设有轴心通孔，该轴心通孔中间隙配合一加液针，加液针的长度长于旋转棒。 The rotating rod is provided with an axial through hole, and a liquid-feeding needle is fitted in the axial through-hole, and the length of the liquid-feeding needle is longer than that of the rotating rod.
所述过滤层由支架和滤布组成，支架安装固定在处理盒上，滤布铺满并固定在支架上。 The filter layer is composed of a bracket and a filter cloth, the bracket is installed and fixed on the processing box, and the filter cloth is covered and fixed on the bracket.
所述取样腔底部的面积小于上部横截面的面积。 The area of the bottom of the sampling cavity is smaller than the area of the upper cross-section.
所述处理盒、盒盖、采样勺、旋转连接套均采用塑料制作成型。 The processing box, the box cover, the sampling spoon and the rotating connecting sleeve are all made of plastic.
由于采用了上述方案，本发明有以下优点： Owing to adopted above-mentioned scheme, the present invention has following advantage:
1.试验用体液处理简单、快捷、高效，处理后体液更易于检测，处理后实验液取液方便，实验液不易被污染。 1. The treatment of body fluids for testing is simple, fast, and efficient. After treatment, body fluids are easier to detect. After treatment, it is convenient to take out the experimental fluids, and the experimental fluids are less likely to be contaminated.
2.采集器结构简易，使用效果良好。 2. The structure of the collector is simple and the use effect is good.
3. 稀释液等实验用液加液方便快捷稳定，不易被污染。 3. It is convenient, quick and stable to add diluent and other experimental liquids, and it is not easy to be polluted.
4.处理后实验液易于收集。 4. The experimental solution is easy to collect after treatment.
5.旋转棒与旋转胶头连接稳定。 5. The connection between the rotating rod and the rotating rubber head is stable.
附图说明 Description of drawings
图1为体液检测前期处理装置结构示意图； Fig. 1 is a schematic structural diagram of a body fluid detection pre-processing device;
图2为体液检测前期处理装置半剖视图； Figure 2 is a half-sectional view of the body fluid detection pre-processing device;
图3为旋转棒结构示意图； Fig. 3 is a schematic diagram of the structure of the rotating rod;
图4为采样勺结构示意图； Fig. 4 is the structural representation of sampling spoon;
图5为旋转棒安装结构示意图。 Fig. 5 is a schematic diagram of the installation structure of the rotating rod.
附图中，1为处理盒，2为盒盖，3为混匀腔，4为取样腔，5为采样勺，6为过滤层，7为取样孔，8为旋转棒，9为进液针，10为采样勺杆部，11为采样勺勺部，12为采样勺上的加液孔，13为旋转连接套，14为固定胶头,15为旋转连接套轴向通孔。 In the drawings, 1 is the processing box, 2 is the box cover, 3 is the mixing chamber, 4 is the sampling chamber, 5 is the sampling spoon, 6 is the filter layer, 7 is the sampling hole, 8 is the rotating rod, and 9 is the liquid inlet needle , 10 is the sampling spoon rod, 11 is the sampling spoon spoon, 12 is the liquid filling hole on the sampling spoon, 13 is the rotary connection sleeve, 14 is the fixed rubber head, and 15 is the axial through hole of the rotary connection sleeve.
具体实施方式 Detailed ways
下面结合附图和实施例对本发明作进一步说明。 The present invention will be further described below in conjunction with drawings and embodiments.
参见图1至图5，一种体液检测前期处理装置，包括处理盒1、采集器，所述处理盒1内腔设有过滤层6将处理盒内腔分隔为上、下两个腔体，过滤层为高分子筛网，过滤层上方的腔体为混匀腔3，过滤层下方的腔体为取样腔4，取样腔4壁上设有取样孔7，取样孔7中设有密封胶塞。当过滤生物细胞时，一般采用滤孔为7微米的高分子筛网，过滤寄生虫时，一般采用滤孔为76微米的高分子筛网，由于过滤层为上述孔径的高分子筛网，当过滤层上下气压差不大时，实验样本或者实验液不会渗漏到取样腔之中，取样前，实验样本和实验液会留存在混匀腔中，提高精确混匀比例及效果，当实验样本液混匀后，取样器的抽取针穿透密封胶塞进入取样腔进行抽取，取样腔中空气被取样器抽走后，取样腔气压远小于混匀腔气压，混匀后的检测用实验液即被混匀腔内气压压力作用而穿透过滤层进入取样腔中，然后取样器就可以抽取进入取样腔中的检测用实验液，取样器可以直接采用注射器等安全、简易的抽取设备。所述采集器盖在处理盒2上端，采集器上设有加液孔，加液孔用于加入稀释液、染色液等实验液。所述采集器包括盒盖2、采样勺3、旋转连接套13。盒盖与处理盒连接，盒盖和处理盒间可以采用螺纹连接或过盈配合，便于盒盖的取下和盖严；为便于加工，也可直接在盒盖内外周边沿处设置卡槽，卡槽与处理盒口部配合进行盖严定位；也可以根据不同的需要采用不同的连接方式。盒盖2轴向上设有通孔，旋转连接套13间隙配合在盒盖2的通孔中，旋转连接套13下端连接采样勺杆部10，采样勺位于混匀腔3中，旋转连接套13上端用于连接旋转棒8；处理混匀时，旋转棒与电机等旋转器相连，旋转器带动旋转棒转动，旋转棒带动旋转连接套转动，旋转连接套带动采样勺转动，转动的采样勺混匀实验液，如特殊环境下没有可带动旋转的相关设备，也可以直接震荡实验处理盒达到混匀效果；采样勺设置为勺状可以用于搅拌实验液，被检测人员也可以用它进行试样的采集，标准化大小的采样勺，可以限定一次采样的量，便于实验人员进行实验加液，为便于制造，一般将采样勺的勺部制造为半球型或半椭球型；被检测人员采集实验样本时，直接取下采集器，持采集器用采样勺采集实验样本，将实验样本置入处理盒内，盖严合理盒，将处理盒交由实验人员进行检测前期处理，由于处理过程中实验样本不需要在多个容器间转移，实验样本基本和外界隔绝，减少了实验样本被污染的概率，加快了实验处理效率；旋转连接套和盒盖间采用间隙配合，利于旋转连接套在盒盖通孔中的转动，让混匀腔和外界相通，防止加液时混匀腔气压增大，避免混匀腔和取样腔之间形成过大的气压差，防止加液时实验液穿透过滤层；过滤层即可对实验液进行初步过滤处理，也将混匀腔和取样腔分离，实验人员即可在混匀过程中或混匀后随时进行实验液取液操作，以满足不同的实验需求。 Referring to Figures 1 to 5, a body fluid detection pre-processing device includes a processing box 1 and a collector, the inner cavity of the processing box 1 is provided with a filter layer 6 to separate the inner cavity of the processing box into upper and lower cavities, The filter layer is a polymer sieve, the cavity above the filter layer is the mixing cavity 3, the cavity below the filter layer is the sampling cavity 4, and a sampling hole 7 is provided on the wall of the sampling cavity 4, and a sealing rubber plug is provided in the sampling hole 7 . When filtering biological cells, a polymer sieve with a filter hole of 7 microns is generally used. When filtering parasites, a polymer sieve with a filter hole of 76 microns is generally used. When the air pressure difference is small, the experimental sample or experimental liquid will not leak into the sampling chamber. Before sampling, the experimental sample and experimental liquid will remain in the mixing chamber to improve the precise mixing ratio and effect. When the experimental sample liquid is mixed After uniformity, the extraction needle of the sampler penetrates the sealing rubber plug and enters the sampling chamber for extraction. After the air in the sampling chamber is sucked away by the sampler, the air pressure in the sampling chamber is much lower than the air pressure in the mixing chamber. The air pressure in the mixing chamber penetrates the filter layer and enters the sampling chamber, and then the sampler can extract the test liquid for testing that enters the sampling chamber. The sampler can directly use safe and simple extraction equipment such as syringes. The cover of the collector is on the upper end of the processing box 2, and the collector is provided with a liquid filling hole, which is used for adding diluent, staining liquid and other experimental liquids. The collector includes a box cover 2 , a sampling spoon 3 , and a rotary connection sleeve 13 . The box cover is connected with the processing box, and the box cover and the processing box can be connected by thread or interference fit, which is convenient for the removal of the box cover and the sealing; for the convenience of processing, it is also possible to directly set the card slot on the inner and outer peripheral edges of the box cover. The card slot cooperates with the mouth of the processing box to carry out the tight positioning; different connection methods can also be adopted according to different needs. The box cover 2 is provided with a through hole in the axial direction, and the rotating connecting sleeve 13 is gap-fitted in the through hole of the box cover 2. The lower end of the rotating connecting sleeve 13 is connected to the sampling spoon rod 10, and the sampling spoon is located in the mixing chamber 3. The rotating connecting sleeve 13 The upper end is used to connect the rotating rod 8; when processing and mixing, the rotating rod is connected with a rotator such as a motor, the rotator drives the rotating rod to rotate, the rotating rod drives the rotating connecting sleeve to rotate, and the rotating connecting sleeve drives the sampling spoon to rotate, and the rotating sampling spoon Mix the test solution. If there is no related equipment that can drive the rotation in a special environment, you can also directly shake the experimental processing box to achieve a mixing effect; the sampling spoon is set to a spoon shape and can be used to stir the test solution, and the person to be tested can also use it. For the collection of samples, the sampling spoon of standardized size can limit the amount of sampling at one time, which is convenient for experimenters to add liquid in the experiment. When collecting experimental samples, remove the collector directly, hold the collector and use a sampling spoon to collect experimental samples, put the experimental samples into the processing box, cover the box tightly, and hand over the processing box to the experimenter for pre-testing processing. The experimental sample does not need to be transferred between multiple containers, and the experimental sample is basically isolated from the outside world, which reduces the probability of experimental sample contamination and speeds up the experimental processing efficiency; the clearance fit is adopted between the rotary connection sleeve and the box cover, which is conducive to the rotation of the connection sleeve in the box. The rotation in the through hole of the cover allows the mixing chamber to communicate with the outside world, preventing the air pressure in the mixing chamber from increasing when adding liquid, avoiding an excessive pressure difference between the mixing chamber and the sampling chamber, and preventing the test liquid from penetrating when adding liquid Filter layer; the filter layer can perform preliminary filtration treatment on the experimental liquid, and also separate the mixing chamber from the sampling chamber, so that the experimenter can take the experimental liquid at any time during the mixing process or after mixing to meet different needs. Experimental needs.
旋转连接套13为轴向通孔套，采样勺的杆部10从旋转连接套13下端插入旋转连接套13的轴向通孔内固定，旋转连接套13的轴向通孔上端设置旋转棒的固定胶头14，固定胶头14的中心设有用于周向固定旋转棒的孔，旋转棒8下端插入固定胶头14的孔中与固定胶头固定连接。采样勺和旋转连接套之间连接固定，可以采用螺纹连接、过盈配合或教授粘接等方式；固定胶头便于旋转棒的固定，同时固定胶头可以将旋转连接套轴向通孔的上端密封，当加液针穿透旋转胶头通过加液孔对处理盒进行加液时，所加实验液不会从旋转连接套上端泄漏；固定胶头上的孔可以为通孔，使用时利用旋转棒堵住该孔形成密封，防止加液针加液泄漏，也可以采用盲孔，利用加液针穿透固定胶头形成更好的密封效果；为便于固定胶头的安装，固定胶头与旋转连接套间可以采用过盈配合或者用胶水粘接，旋转连接套轴向通孔上端也可设置为阶梯型孔，防止固定胶头过度沉入旋转连接套轴向通孔内；将所述旋转搅拌装置分为旋转连接套、采样勺、固定胶头四个部件的既利于制造，也利于组装。 The rotary connection sleeve 13 is an axial through hole sleeve, the rod portion 10 of the sampling spoon is inserted into the axial through hole of the rotary connection sleeve 13 from the lower end of the rotary connection sleeve 13 and fixed, and the upper end of the axial through hole of the rotary connection sleeve 13 is provided with a rotating rod. Fixed rubber head 14, the center of fixed rubber head 14 is provided with the hole that is used for circumferentially fixing the rotating rod, and the lower end of rotating rod 8 is inserted in the hole of fixed rubber head 14 and is fixedly connected with fixed rubber head. The connection between the sampling spoon and the rotating connecting sleeve can be fixed by thread connection, interference fit or teaching bonding; the fixed rubber head is convenient for fixing the rotating rod, and at the same time, the fixed rubber head can connect the upper end of the axial through hole of the rotating connecting sleeve Sealing, when the liquid-feeding needle penetrates the rotating rubber head to add liquid to the processing box through the liquid-filling hole, the added experimental liquid will not leak from the upper end of the rotating connection sleeve; the hole on the fixed rubber head can be a through hole, which can be used when using The rotating rod blocks the hole to form a seal to prevent liquid leakage from the liquid injection needle. A blind hole can also be used to use the liquid injection needle to penetrate the fixed rubber head to form a better sealing effect; in order to facilitate the installation of the fixed rubber head, the fixed rubber head Interference fit or glue bonding can be used with the rotating connecting sleeve, and the upper end of the axial through hole of the rotating connecting sleeve can also be set as a stepped hole to prevent the fixed glue head from sinking too much into the axial through hole of the rotating connecting sleeve; The rotary stirring device is divided into four parts: a rotary connection sleeve, a sampling spoon, and a fixed glue head, which is not only convenient for manufacturing, but also convenient for assembly.
固定胶头14的用于周向固定旋转棒8的孔为十字槽孔或多边形孔；旋转棒下端为与固定胶头的孔相对应的十字花键或多边形结构。设置成所述连接孔槽形状，旋转棒和固定胶头连接更稳定，不会打滑，工作效果更好。 The hole for fixing the rotating rod 8 in the fixed rubber head 14 is a cross-slotted hole or a polygonal hole; the lower end of the rotating rod is a cross spline or a polygonal structure corresponding to the hole for fixing the rubber head. If it is set in the shape of the connecting hole, the connection between the rotating rod and the fixed rubber head is more stable without slipping, and the working effect is better.
旋转连接套13可为阶梯套，盒盖2轴向设置的通孔为阶梯孔，该阶梯孔的下端为小径端，旋转连接套位于盒盖的阶梯孔中，旋转连接套的轴肩定位于阶梯孔的孔肩。旋转连接套13也可为圆锥套，盒盖2轴向设置的通孔为圆锥孔，圆锥孔的下端为小径端，旋转连接套位于盒盖的圆锥孔中轴定位。上述结构利于旋转连接套的转动，防止旋转连接套掉入混匀腔中，同时可在采样勺勺柄中部设置一定位台阶，定位台阶定位在盒盖通孔下端外，可以防止旋转连接套和搅拌勺向上退出盒盖通孔。 The rotary connecting sleeve 13 can be a stepped sleeve, the through hole provided axially in the box cover 2 is a stepped hole, the lower end of the stepped hole is a small-diameter end, the rotating connecting sleeve is located in the stepped hole of the box cover, and the shaft shoulder of the rotating connecting sleeve is positioned on the The shoulder of the stepped hole. The rotary connection sleeve 13 can also be a tapered sleeve, and the through hole that the box cover 2 axially sets is a conical hole, and the lower end of the conical hole is a small diameter end, and the rotary connection sleeve is positioned at the central axis of the tapered hole of the box cover. The above structure is conducive to the rotation of the rotary connection sleeve, preventing the rotary connection sleeve from falling into the mixing chamber. At the same time, a positioning step can be set in the middle of the handle of the sampling spoon. The positioning step is positioned outside the lower end of the through hole of the box cover, which can prevent the rotation connection sleeve and The mixing spoon goes up and out of the lid through hole.
采集器上的加液孔12设于采样勺杆部10，该加液孔从采样勺杆部上端沿轴向延伸，并从采样勺杆部的中段穿出形成通孔。旋转棒8设有轴心通孔，该轴心通孔中间隙配合一加液针9，加液针9的长度长于旋转棒8。加液针通过采样勺上的加液孔进行加液，加液针不直接进入混匀腔，防止加液针被混匀腔中的实验样本污染；加液针长度超过旋转棒且间隙配合在旋转棒轴心通孔中，加液针即可自由穿出旋转棒下端，即便于穿透固定胶头后进行加液，也可在加液完成后退入旋转棒内，保护加液针，防止加液针被污染。 The liquid filling hole 12 on the collector is arranged on the sampling spoon shaft 10, the liquid filling hole extends axially from the upper end of the sampling spoon shaft, and passes through the middle section of the sampling spoon shaft to form a through hole. The rotating rod 8 is provided with an axial through hole, and a liquid-feeding needle 9 is fitted in the axial through-hole, and the length of the liquid-feeding needle 9 is longer than that of the rotating rod 8 . The dosing needle is added through the dosing hole on the sampling spoon, and the dosing needle does not directly enter the mixing chamber to prevent the dosing needle from being contaminated by the experimental samples in the mixing chamber; the dosing needle is longer than the rotating rod and the gap fits in In the through hole of the rotating rod axis, the liquid filling needle can freely pass through the lower end of the rotating rod. Even if the liquid is added after penetrating the fixed rubber head, it can also be retracted into the rotating rod after the liquid filling is completed to protect the liquid adding needle and prevent The dosing needle is contaminated.
所述过滤层2由支架和滤布组成，支架安装固定在处理盒上，滤布铺满并固定在支架上。支架张紧滤布，使过滤层达到最佳过滤效果，同时支撑滤布，防止滤布在取样器抽取时因上下气压差过大而破损。 The filter layer 2 is composed of a bracket and a filter cloth, the bracket is installed and fixed on the processing box, and the filter cloth is covered and fixed on the bracket. The bracket tensions the filter cloth to make the filter layer achieve the best filtering effect, and at the same time supports the filter cloth to prevent the filter cloth from being damaged due to the excessive pressure difference between the upper and lower sides when the sampler is drawn.
所述取样腔4底部的面积小于上部横截面的面积。取样腔下端小于上端后，过滤后的实验液会集中在底部，利于实验液的抽取，为便于制造，取样腔可制造为锥形；由于取液器抽取时，过滤层上下会形成很大的压差，一部分细小的固体杂质可能会穿透过滤层后沉入取样腔底部，将取样孔设置于取样腔中部即可避过沉入取样腔底部的杂质。 The area of the bottom of the sampling cavity 4 is smaller than the area of the upper cross section. After the lower end of the sampling chamber is smaller than the upper end, the filtered test liquid will be concentrated at the bottom, which is beneficial to the extraction of the test liquid. For the convenience of manufacturing, the sampling chamber can be made into a cone; when the liquid extractor is drawn, a large gap will be formed up and down the filter layer. Due to the pressure difference, some small solid impurities may penetrate the filter layer and sink to the bottom of the sampling chamber. Setting the sampling hole in the middle of the sampling chamber can avoid the impurities sinking to the bottom of the sampling chamber.
所述处理盒1、盒盖2、采样勺5、旋转连接套13均采用塑料制作成型。为降低实验液被污染的概率，处理装置必须为一次性使用器具，塑料可以降低制造使用成本，便于各部件的制造，便于使用后集中处理和材料回收；处理盒采用透明塑料还可便于实验人员对于混匀状态的观察。 The processing box 1, the box cover 2, the sampling spoon 5, and the rotating connection sleeve 13 are all made of plastic. In order to reduce the probability of experimental liquid being contaminated, the processing device must be a disposable device. Plastic can reduce manufacturing and use costs, facilitate the manufacture of various components, and facilitate centralized processing and material recovery after use; the use of transparent plastic for the processing box can also facilitate experimenters. Observation of the state of mixing.
在使用时，首先由被检测人员取下采集器，持采集器使用采样勺装取实验样本，将采集器盖在处理盒上，利用采集器上的凹槽或螺纹使采集器和处理盒连接固定紧密，然后交给实验人员，实验人员将处理盒与旋转搅拌装置相连，旋转棒插入固定胶头，加液针穿出旋转棒后穿透固定胶头，加液针与加液孔连通，加液针输入实验用稀释液或染色液，加液针退出固定胶头并退入旋转棒，旋转棒带动旋转连接套转动，旋转连接套带动采样勺转动搅拌实验样本，实验液搅拌均匀后，旋转棒停止转动，实验人员取下体液检测前期处理装置，将取样器的取液针穿透密封胶塞进入取样腔，取样器抽取取样腔内空气，取样腔内气压降低，实验液穿透过滤层进入取样腔，取样器抽取初步处理后的实验液，抽取出的实验液用于进一步实验使用，如需取得不同比例稀释、染色或其他效果的实验液，在计算好次序后，重复加液、搅拌、取液等处理步骤即可，一个处理器可得到多次处理结果。实验时，实验人员还可以在注入稀释液或染色液前，称出置入实验样本的处理盒重量，减去空处理盒的重量后确认实验样本的精确重量，精确稀释液或染色液的注入量，达到最佳处理效果。该体液检测前期处理装置为一次性使用医疗器具，防止多次使用实验液可能存在交叉污染。 When in use, the inspected person first removes the collector, holds the collector and uses a sampling spoon to take the experimental sample, covers the collector on the processing box, and uses the groove or thread on the collector to connect the collector to the processing box Fix it tightly, and then hand it over to the experimenter. The experimenter connects the processing box with the rotating stirring device, inserts the rotating rod into the fixed glue head, and the liquid adding needle penetrates the fixed glue head after passing through the rotating rod. The liquid adding needle communicates with the liquid adding hole. The liquid addition needle enters the diluent or dyeing solution for the experiment, the liquid addition needle exits the fixed rubber head and retreats into the rotating rod, the rotating rod drives the rotating connecting sleeve to rotate, and the rotating connecting sleeve drives the sampling spoon to rotate and stir the experimental sample, after the experimental liquid is stirred evenly, The rotating rod stops rotating, and the experimenter removes the body fluid detection pre-processing device, and the liquid sampling needle of the sampler penetrates the sealant plug into the sampling chamber, the sampler extracts the air in the sampling chamber, the air pressure in the sampling chamber decreases, and the test liquid penetrates the filter layer into the sampling cavity, the sampler extracts the experimental liquid after preliminary treatment, and the extracted experimental liquid is used for further experiments. If you need to obtain experimental liquids with different dilutions, dyeing or other effects, after calculating the order, repeat adding liquids , Stirring, liquid extraction and other processing steps are enough, and one processor can obtain multiple processing results. During the experiment, the experimenter can also weigh the processing box placed in the experimental sample before injecting the diluent or staining solution, and confirm the exact weight of the experimental sample after subtracting the weight of the empty processing box, and the injection of the precise dilution or staining solution amount to achieve the best treatment effect. The body fluid detection pre-processing device is a disposable medical device, which prevents possible cross-contamination of the experimental fluid used for many times.
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| CN105403434A (en) * | 2015-12-29 | 2016-03-16 | 佛山市第一人民医院 | Night soil sampler |
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| CN112619506B (en) * | 2020-12-25 | 2022-05-10 | 江苏集萃复合材料装备研究所有限公司 | Liquid adding and mixing equipment and using method thereof |
| CN114720676A (en) * | 2022-04-02 | 2022-07-08 | 珠海科域生物工程股份有限公司 | Disposable Specimen Collection Box |
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