技术领域Technical field
本发明涉及医疗器械技术领域，特别涉及一种基于产前诊断检查用的胎儿细胞检测装置。The present invention relates to the technical field of medical devices, and in particular to a fetal cell detection device for prenatal diagnosis and examination.
背景技术Background technique
产前诊断是指在出生前对胚胎或胎儿的发育状态、是否患有疾病等方面进行检测诊断，从而掌握先机，对可治性疾病，选择适当时机进行宫内治疗；对于不可治疗性疾病，能够做到知情选择，广义的产前诊断对象包括：反复早孕期自然流产；既往出生缺陷病史；家族分子遗传病史；神经管缺陷家族史；妊娠合并1型糖尿病、高血压、癫痫、哮喘；曾暴露于药物、病毒、环境危害；父母近亲等方面。Prenatal diagnosis refers to testing and diagnosing the developmental status of the embryo or fetus and whether it has diseases before birth, so as to seize the opportunity and choose the appropriate time for intrauterine treatment for treatable diseases; for untreatable diseases , capable of making informed choices, and broad prenatal diagnosis targets include: recurrent spontaneous abortion in early pregnancy; past history of birth defects; family molecular genetic history; family history of neural tube defects; pregnancy complicated by type 1 diabetes, hypertension, epilepsy, and asthma; Exposure to drugs, viruses, environmental hazards; close relatives, etc.
中国专利文献CN111513729B公开了一种一种高效的产前诊断间期胎儿细胞检测装置，包括抽液管，所述抽液管的内部滑动连接有抽液板，所述抽液板的顶部固定连接有抽液杆，所述抽液管的底部穿插设置有插针，所述抽液管的下方设置有承接箱，所述承接箱的底部穿插设置有承接管，所述承接杆的侧面且位于螺杆的上方滑动连接有顶杆，所述顶杆的侧面滑动连接有气管，所述气管远离承接杆的一侧固定连接有空气弹簧，所述空气弹簧的顶部固定连接有连接杆，两个所述单向卡块相对的一侧设置有弹簧杆，该方案通过吸盘与承接杆的配合使用，从而达到了在孕妇进行腹式呼吸时，自动调整插针深度，防止插针脱离或穿过脐带的效果，但在实际使用中，吸盘无法有效的将装置固定在孕妇的肚子上，同时，胎儿细胞的抽取需要根据胎儿的位置的不同进行调整，该装置只能将装置放置在孕妇肚子的上方，其他位置吸盘将无法进行有效的固定，影响装置的使用。Chinese patent document CN111513729B discloses an efficient prenatal diagnosis interval fetal cell detection device, which includes a liquid suction tube, a liquid suction plate is slidably connected to the inside of the liquid suction tube, and the top of the liquid suction plate is fixedly connected There is a liquid suction rod, and a pin is inserted through the bottom of the liquid suction pipe. A receiving box is provided below the liquid suction pipe. A receiving pipe is interspersed at the bottom of the receiving box. The side of the receiving rod is located at An ejector rod is slidably connected above the screw rod, and an air pipe is slidably connected to the side of the ejector rod. An air spring is fixedly connected to the side of the air pipe away from the receiving rod. A connecting rod is fixedly connected to the top of the air spring. The two The opposite side of the one-way clamping block is provided with a spring rod. This solution uses the suction cup and the receiving rod to automatically adjust the depth of the needle when the pregnant woman performs abdominal breathing, preventing the needle from detaching or passing through the umbilical cord. effect, but in actual use, the suction cup cannot effectively fix the device on the pregnant woman's belly. At the same time, the extraction of fetal cells needs to be adjusted according to the position of the fetus. The device can only be placed above the pregnant woman's belly. , the suction cup at other positions will not be able to be effectively fixed, affecting the use of the device.
发明内容Contents of the invention
本发明的主要目的在于提供一种基于产前诊断检查用的胎儿细胞检测装置，可以有效解决医护人员在抽取胎儿细胞时产生晃动的问题。The main purpose of the present invention is to provide a fetal cell detection device for prenatal diagnosis and examination, which can effectively solve the problem of shaking when medical staff extract fetal cells.
为实现上述目的，本发明采取的技术方案为：In order to achieve the above objects, the technical solutions adopted by the present invention are:
一种基于产前诊断检查用的胎儿细胞检测装置，包括支撑装置，所述支撑装置的外表面中部设置有定位装置，所述定位装置的一侧设置有提升装置，所述提升装置的内腔中部设置有限位装置，所述限位装置的上部设置有传动装置，所述传动装置靠近定位装置的一侧设置有固定装置，所述固定装置的内腔中部设置有注射器；A fetal cell detection device based on prenatal diagnosis and examination, including a support device, a positioning device is provided in the middle of the outer surface of the support device, a lifting device is provided on one side of the positioning device, and the inner cavity of the lifting device A limiting device is provided in the middle, a transmission device is provided on the upper part of the limiting device, a fixing device is provided on one side of the transmission device close to the positioning device, and a syringe is provided in the middle of the inner cavity of the fixing device;
所述支撑装置包括支撑杆，所述支撑杆的上端开设有传动槽，所述传动槽的内腔下表面设置有齿条，所述支撑杆的外表面两侧均设置有双腔定位杆，所述双腔定位杆的下部螺纹连接有螺纹杆一，所述螺纹杆一的上端设置有固定板一。The support device includes a support rod, a transmission groove is provided at the upper end of the support rod, a rack is provided on the lower surface of the inner cavity of the transmission groove, and double-cavity positioning rods are provided on both sides of the outer surface of the support rod. The lower part of the double-cavity positioning rod is threadedly connected to a threaded rod 1, and the upper end of the threaded rod 1 is provided with a fixing plate 1.
优选的，所述定位装置包括与支撑杆内壁滑动连接的定位杆一，所述定位杆一的内腔上下两侧均设置有直齿轮，两个所述直齿轮的两侧均缠绕有皮带，位于上部的所述直齿轮远离传动装置的一侧设置有，所述定位杆一的上部设置有两个定位板一，两个所述定位板一相互靠近的一侧设置有定位板二，所述定位板二的外表面阵列有齿环，所述定位板二的上部设置有定位杆二，所述定位杆二的外表面靠近提升装置的一侧开设有连接孔，所述定位杆二的内腔中部设置有螺纹杆二，且所述螺纹杆二的上端延伸至定位杆二的外部，所述螺纹杆二的上端设置有旋钮。Preferably, the positioning device includes a positioning rod one that is slidingly connected to the inner wall of the support rod. Spur gears are provided on the upper and lower sides of the inner cavity of the positioning rod one. Belts are wrapped around both sides of the two spur gears. The spur gear located in the upper part is provided on the side away from the transmission device. The upper part of the positioning rod one is provided with two positioning plates one. The two positioning plates one are provided with positioning plates two on the side close to each other. The outer surface of the positioning plate 2 is arrayed with a toothed ring. The upper part of the positioning plate 2 is provided with a positioning rod 2. The outer surface of the positioning rod 2 is provided with a connecting hole on one side close to the lifting device. The positioning rod 2 has a connecting hole. A threaded rod 2 is provided in the middle of the inner cavity, and the upper end of the threaded rod 2 extends to the outside of the positioning rod 2. A knob is provided at the upper end of the threaded rod 2.
优选的，所述包括与定位杆一内壁滑动连接的U形杆，所述U形杆靠近传动装置的一侧设置有两个齿牙，所述齿牙与直齿轮啮合连接。Preferably, the U-shaped rod includes a U-shaped rod slidingly connected to an inner wall of the positioning rod. The U-shaped rod is provided with two teeth on one side close to the transmission device, and the teeth are engaged and connected with the spur gear.
优选的，所述提升装置包括与螺纹杆二外表面螺纹连接的提升杆，所述提升杆的外表面与定位杆二上的连接孔滑动连接，所述提升杆的外表面远离定位装置的一侧下部设置有连接杆一，所述连接杆一的下端设置有弧形杆，所述弧形杆的中部开设有定位孔一，所述弧形杆的外表面上部阵列有固定孔一，所述定位孔一的内腔两侧开设有与固定孔一相通的滑槽。Preferably, the lifting device includes a lifting rod threadedly connected to the outer surface of the threaded rod 2, the outer surface of the lifting rod is slidingly connected to the connecting hole on the positioning rod 2, and the outer surface of the lifting rod is away from one side of the positioning device. A connecting rod is provided at the lower part of the side. An arc-shaped rod is provided at the lower end of the connecting rod. A positioning hole is provided in the middle of the arc-shaped rod. An array of fixing holes is arranged on the upper surface of the arc-shaped rod. There are slide grooves connected with the fixing hole 1 on both sides of the inner cavity of the positioning hole 1.
优选的，所述限位装置包括与滑槽内腔表面滑动连接的弧形板，所述弧形板的上端两侧均设置有限位杆，所述限位杆的内腔表面上部两侧均开设有限位孔一，所述限位杆的内腔中部设置有提升板，且所述提升板的下端延伸至弧形板的内部，所述提升板上部内壁两侧均设置有限位销，两个所述限位销相互靠近的一侧设置有弹簧二，所述提升板的外表面相互远离的一侧阵列有直角三角形长条块。Preferably, the limiting device includes an arc-shaped plate slidingly connected to the inner surface of the chute. Limiting rods are provided on both sides of the upper end of the arc-shaped plate. The upper portion of the inner cavity surface of the limiting rod is provided on both sides. A limiting hole is opened. A lifting plate is provided in the middle of the inner cavity of the limiting rod, and the lower end of the lifting plate extends to the inside of the arc plate. Limiting pins are provided on both sides of the upper inner wall of the lifting plate. Two springs are provided on the sides of each of the limiting pins that are close to each other, and there are right-angled triangular strips in an array on the side of the outer surface of the lifting plate that is far away from each other.
优选的，所述弧形板的上端中部开设有定位孔二，所述弧形板的两侧内壁中均设置有与限位杆下端固定连接的连接杆二，所述连接杆二的上端两侧均设置有弹簧一，两个所述弹簧一相互远离的一侧均设置有与连接杆二上端固定连接的固定销。Preferably, a positioning hole 2 is provided in the middle of the upper end of the arc-shaped plate. The inner walls of both sides of the arc-shaped plate are provided with connecting rods 2 fixedly connected to the lower end of the limiting rod. A spring is provided on both sides, and a fixing pin fixedly connected to the upper end of the connecting rod two is provided on the side of the two springs away from each other.
优选的，所述传动装置包括枪形外壳，所述枪形外壳靠近固定装置的一侧外表面上下两端均开设有固定孔二，所述枪形外壳的中部设置有传动块一，所述传动块一的外表面靠近固定装置的一侧下部设置有梯形块一，所述梯形块一靠近固定装置的一侧设置有与枪形外壳内腔表面滑动连接的梯形块二，所述梯形块二外表面靠近提升板的一侧阵列有摩擦粒，所述传动块一的外表面靠近固定装置的一侧上部设置有弹性钢条，所述弹性钢条靠近固定装置的一侧上方设置有与枪形外壳内壁转动连接的传动杆，且所述传动杆的一端延伸至枪形外壳的外部，所述传动杆的外表面设置有凸轮，所述传动杆延伸至枪形外壳外部的一端设置有传动块二，所述传动块一的上端设置有弹簧三，所述弹簧三的上端设置有固定板二。Preferably, the transmission device includes a gun-shaped casing. The gun-shaped casing is provided with fixing holes 2 on the upper and lower ends of one side close to the fixing device. A transmission block 1 is provided in the middle of the gun-shaped casing. A trapezoidal block is provided on the lower part of the outer surface of the transmission block one close to the fixing device. The trapezoidal block one is disposed on the side close to the fixing device and is slidably connected to the inner cavity surface of the gun-shaped housing. The trapezoidal block is There is an array of friction particles on the side of the two outer surfaces close to the lifting plate. An elastic steel bar is provided on the upper side of the outer surface of the transmission block one close to the fixing device. An elastic steel bar is provided on the upper side of the elastic steel bar close to the fixing device. A transmission rod is rotatably connected to the inner wall of the gun-shaped housing, and one end of the transmission rod extends to the outside of the gun-shaped housing. A cam is provided on the outer surface of the transmission rod, and one end of the transmission rod extends to the outside of the gun-shaped housing. Transmission block two, the upper end of the transmission block one is provided with a spring three, and the upper end of the spring three is provided with a fixed plate two.
优选的，所述弹性钢条包括与传动块一外表面固定连接的弹性钢片，所述弹性钢片的外表面下部设置有直角三角形连接块，所述直角三角形连接块与直角三角形长条块的外形相匹配。Preferably, the elastic steel bar includes an elastic steel sheet fixedly connected to an outer surface of the transmission block. A right-angled triangle connecting block is provided on the lower part of the outer surface of the elastic steel sheet. The right-angled triangle connecting block is connected with the right-angled triangle strip block. The appearance matches.
优选的，所述固定装置包括与枪形外壳外表面固定连接的固定外壳，所述固定外壳的上端开设有固定槽，所述固定槽的内腔与注射器的外套卷边尺寸与形状相匹配，所述固定外壳的外表面中部一侧开设有显示孔，所述固定外壳的上部设置有与枪形外壳外表面转动连接的限位板，所述限位板的上端中部开设有限位孔二，所述限位板的上端靠近枪形外壳的一侧开设有限位槽，所述限位槽的一侧开设有定位槽，且所述限位槽与定位槽相通，所述限位板的上部设置有定位件。Preferably, the fixing device includes a fixed shell fixedly connected to the outer surface of the gun-shaped shell, a fixing groove is provided at the upper end of the fixed shell, and the inner cavity of the fixing groove matches the size and shape of the outer flange of the syringe. A display hole is provided on one side of the middle part of the outer surface of the fixed housing. The upper part of the fixed housing is provided with a limiting plate that is rotationally connected to the outer surface of the gun-shaped housing. Two limiting holes are provided in the middle part of the upper end of the limiting plate. The upper end of the limit plate is provided with a limit groove on one side close to the gun-shaped housing. A positioning groove is provided on one side of the limit groove, and the limit groove is connected with the positioning groove. The upper part of the limit plate is Positioning parts are provided.
优选的，所述定位件包括与枪形外壳外表面固定连接的连接杆三，所述连接杆三的外表面缠绕有弹簧四，所述弹簧四远离枪形外壳的一端设置有与连接杆三外表面滑动连接的滑块，所述滑块的下端与限位槽、定位槽的内壁滑动连接。Preferably, the positioning member includes a connecting rod 3 fixedly connected to the outer surface of the gun-shaped shell. The outer surface of the connecting rod 3 is wound with a spring 4. One end of the spring 4 away from the gun-shaped shell is provided with a connecting rod 3. The outer surface of the slider is slidingly connected, and the lower end of the slider is slidingly connected with the inner wall of the limiting groove and the positioning groove.
与现有技术相比，本发明具有如下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1、本发明中，通过设置有定位装置，在医护人员抽取胎儿细胞前，需通过推动定位杆一，通过两个直齿轮和皮带带动定位杆二摆动，然后按动U形杆，使两个齿牙与位于上侧的直齿轮啮合，此时直齿轮将不会再转动，进而使定位装置无法运动，以此对定位装置进行固定，在对定位装置固定后，通过转动旋钮，带动螺纹杆二转动，而与螺纹杆二螺纹连接的提升杆此时在定位杆二的内腔中运动，以此将弧形杆调节至接近孕妇肚子的位置，用以调整下针时的位置，同时设置有支撑装置，可将装置固定在操作台上，提高了装置的可靠性。1. In the present invention, a positioning device is provided. Before the medical staff extracts fetal cells, they need to push the positioning rod one and drive the positioning rod two to swing through two spur gears and belts, and then press the U-shaped rod to make the two The teeth mesh with the spur gear located on the upper side. At this time, the spur gear will no longer rotate, thereby making the positioning device unable to move. This is used to fix the positioning device. After the positioning device is fixed, the threaded rod is driven by turning the knob. 2 rotates, and the lifting rod threadedly connected to the second threaded rod now moves in the inner cavity of the positioning rod 2, thereby adjusting the arc-shaped rod to a position close to the pregnant woman's belly to adjust the position when lowering the needle, and at the same time set There is a support device to fix the device on the operating table, which improves the reliability of the device.
2、本发明中，通过设置有传动装置，将限位杆和提升板通过枪形外壳上的固定孔二进入到枪形外壳的内部，使直角三角形连接块与直角三角形长条块接触，通过移动传动装置带动限位装置在弧形杆的内腔中移动，移动到相应位置后，通过拉动传动块一，带动提升板向上运动，进而通过提升板和固定销的配合将限位装置与提升装置进行固定，然后枪形外壳沿着限位杆的外表面向靠近弧形杆的方向运动，此时，注射器上的PTC针头从定位孔二穿过后进入到孕妇的体内，当注射器上的PTC针头运动相应位置后，医护人员再次拉动传动块一，使传动块一带动梯形块一向上运动，梯形块一推动梯形块二向靠近提升板的相向运动，使梯形块二与限位杆与提升板紧密接触，直至传动块一无法在向上运动为止，然后可拉动注射器上的芯杆进行胎儿细胞的抽取，提高了装置的稳定性。2. In the present invention, a transmission device is provided so that the limiting rod and the lifting plate enter the inside of the gun-shaped housing through the second fixing hole on the gun-shaped housing, so that the right-angled triangle connecting block contacts the right-angled triangle strip block. The mobile transmission device drives the limit device to move in the inner cavity of the arc-shaped rod. After moving to the corresponding position, the lifting plate is driven to move upward by pulling the transmission block 1, and then the limit device and the lifting device are connected through the cooperation of the lifting plate and the fixed pin. Fix it, and then the gun-shaped shell moves along the outer surface of the limit rod in the direction close to the arc rod. At this time, the PTC needle on the syringe passes through the positioning hole 2 and enters the pregnant woman's body. When the PTC needle on the syringe moves After the corresponding position, the medical staff pulls the transmission block 1 again, so that the transmission block 1 drives the trapezoidal block 1 to move upward, and the trapezoidal block 1 pushes the trapezoidal block 2 to move toward the lifting plate in the opposite direction, so that the trapezoidal block 2 is closely connected with the limit rod and the lifting plate. Contact until the transmission block 1 cannot move upward, and then the core rod on the syringe can be pulled to extract fetal cells, which improves the stability of the device.
附图说明Description of the drawings
图1为本发明的整体结构示意图；Figure 1 is a schematic diagram of the overall structure of the present invention;
图2为本发明的定位装置结构示意图；Figure 2 is a schematic structural diagram of the positioning device of the present invention;
图3为本发明的图2中A处局部放大图；Figure 3 is a partial enlarged view of position A in Figure 2 of the present invention;
图4为本发明的图2中B处局部放大图；Figure 4 is a partial enlarged view of B in Figure 2 of the present invention;
图5为本发明的提升装置结构示意图；Figure 5 is a schematic structural diagram of the lifting device of the present invention;
图6为本发明的限位装置装配示意图；Figure 6 is a schematic assembly diagram of the limiting device of the present invention;
图7为本发明的提升板结构示意图；Figure 7 is a schematic structural diagram of the lifting plate of the present invention;
图8为本发明的传动装置结构示意图；Figure 8 is a schematic structural diagram of the transmission device of the present invention;
图9为本发明的固定装置装配示意图；Figure 9 is a schematic assembly diagram of the fixing device of the present invention;
图10为本发明的固定装置结构示意图。Figure 10 is a schematic structural diagram of the fixing device of the present invention.
图中：1、支撑装置；11、支撑杆；111、传动槽；12、齿条；13、双腔定位杆；14、螺纹杆一；15、固定板一；2、定位装置；21、定位杆一；22、直齿轮；23、皮带；24、定位板一；25、定位板二；251、齿环；26、定位杆二；27、定位件；271、U形杆；272、齿牙；28、螺纹杆二；29、旋钮；3、提升装置；31、提升杆；32、连接杆一；33、弧形杆；331、固定孔一；332、滑槽；333、定位孔一；4、限位装置；41、弧形板；411、定位孔二；412、连接杆二；413、弹簧一；414、固定销；42、限位杆；421、限位孔一；43、提升板；431、限位销；432、弹簧二；433、直角三角形长条块；5、传动装置；50、弹簧三；51、枪形外壳；511、固定孔二；52、传动块一；53、梯形块一；54、梯形块二；541、摩擦粒；55、弹性钢条；551、弹性钢片；552、直角三角形连接块；56、传动杆；57、传动块二；58、凸轮；59、固定板二；6、固定装置；61、固定外壳；611、固定槽；612、显示孔；63、限位板；631、限位孔二；632、限位槽；633、定位槽；64、定位件；641、连接杆三；642、弹簧四；643、滑块；7、注射器。In the picture: 1. Support device; 11. Support rod; 111. Transmission groove; 12. Rack; 13. Double-cavity positioning rod; 14. Threaded rod one; 15. Fixed plate one; 2. Positioning device; 21. Positioning Rod one; 22. Spur gear; 23. Belt; 24. Positioning plate one; 25. Positioning plate two; 251. Gear ring; 26. Positioning rod two; 27. Positioning piece; 271. U-shaped rod; 272. Teeth ; 28. Threaded rod two; 29. Knob; 3. Lifting device; 31. Lifting rod; 32. Connecting rod one; 33. Arc rod; 331. Fixing hole one; 332. Slide groove; 333. Positioning hole one; 4. Limiting device; 41. Arc plate; 411. Positioning hole two; 412. Connecting rod two; 413. Spring one; 414. Fixed pin; 42. Limiting rod; 421. Limiting hole one; 43. Lifting Plate; 431. Limit pin; 432. Spring two; 433. Right-angled triangle strip; 5. Transmission device; 50. Spring three; 51. Gun-shaped shell; 511. Fixing hole two; 52. Transmission block one; 53 , trapezoidal block one; 54, trapezoidal block two; 541, friction particles; 55, elastic steel bar; 551, elastic steel sheet; 552, right-angled triangle connecting block; 56, transmission rod; 57, transmission block two; 58, cam; 59. Fixed plate two; 6. Fixing device; 61. Fixed shell; 611. Fixed slot; 612. Display hole; 63. Limiting plate; 631. Limiting hole two; 632. Limiting slot; 633. Positioning slot; 64. Positioning piece; 641. Connecting rod three; 642. Spring four; 643. Slider; 7. Syringe.
具体实施方式Detailed ways
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本发明。In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific implementation modes.
实施例一Embodiment 1
如图1-6所示，本实施例公开了一种基于产前诊断检查用的胎儿细胞检测装置，包括支撑装置1，支撑装置1的外表面中部设置有定位装置2，定位装置2是为了在抽取胎儿细胞前将装置调节至适宜下针的位置，定位装置2的一侧设置有提升装置3，提升装置3起到支撑和固定的作用。As shown in Figures 1-6, this embodiment discloses a fetal cell detection device for prenatal diagnosis and examination, including a support device 1. A positioning device 2 is provided in the middle of the outer surface of the support device 1. The positioning device 2 is for Before extracting fetal cells, adjust the device to a suitable position for needle insertion. A lifting device 3 is provided on one side of the positioning device 2. The lifting device 3 plays a supporting and fixing role.
进一步的，支撑装置1包括支撑杆11，支撑杆11的上端开设有传动槽111，传动槽111的内腔下表面设置有齿条12，支撑杆11的外表面两侧均设置有双腔定位杆13，双腔定位杆13的下部螺纹连接有螺纹杆一14，螺纹杆一14的上端设置有固定板一15。Further, the support device 1 includes a support rod 11. The upper end of the support rod 11 is provided with a transmission groove 111. The lower surface of the inner cavity of the transmission groove 111 is provided with a rack 12. Both sides of the outer surface of the support rod 11 are provided with double-cavity positioning devices. Rod 13, the lower part of the double-cavity positioning rod 13 is threadedly connected with a threaded rod 14, and the upper end of the threaded rod 14 is provided with a fixing plate 15.
具体的，将双腔定位杆13的内腔放置于操作台的边缘处，然后转动螺纹杆一14，使固定板一15与操作台的边缘处接触，进而将装置固定在操作台上。Specifically, place the inner cavity of the double-cavity positioning rod 13 on the edge of the operating table, and then rotate the threaded rod 14 to make the fixing plate 15 contact the edge of the operating table, thereby fixing the device on the operating table.
为了在抽取胎儿细胞前将装置调节到合适的位置，如图2-5所示，定位装置2包括与支撑杆11内壁滑动连接的定位杆一21，定位杆一21的内腔上下两侧均设置有直齿轮22，两个直齿轮22的两侧均缠绕有皮带23，位于上部的直齿轮22远离传动装置5的一侧设置有27，定位杆一21的上部设置有两个定位板一24，两个定位板一24相互靠近的一侧设置有定位板二25，定位板二25的外表面阵列有齿环251，定位板二25的上部设置有定位杆二26，定位杆二26的外表面靠近提升装置3的一侧开设有连接孔，定位杆二26的内腔中部设置有螺纹杆二28，且螺纹杆二28的上端延伸至定位杆二26的外部，螺纹杆二28的上端设置有旋钮29。In order to adjust the device to a suitable position before extracting fetal cells, as shown in Figure 2-5, the positioning device 2 includes a positioning rod 21 that is slidingly connected to the inner wall of the support rod 11. The upper and lower sides of the inner cavity of the positioning rod 11 are both A spur gear 22 is provided. Belts 23 are wound around both sides of the two spur gears 22. The upper spur gear 22 is provided with a 27 on the side away from the transmission device 5. The upper part of the positioning rod 21 is provided with two positioning plates. 24. The two positioning plates 24 are provided with a positioning plate 25 on the side close to each other. The outer surface of the positioning plate 25 is arrayed with a toothed ring 251. The upper part of the positioning plate 25 is provided with a positioning rod 26. The positioning rod 26 is arranged on the upper part of the positioning plate 25. A connecting hole is provided on one side of the outer surface close to the lifting device 3. A threaded rod 28 is provided in the middle of the inner cavity of the positioning rod 26, and the upper end of the threaded rod 28 extends to the outside of the positioning rod 26. The threaded rod 28 The upper end is provided with a knob 29.
具体的，因为胎儿和胎盘在孕妇肚子中的位置不一致，在医护人员抽取胎儿细胞前，需通过推动定位杆一21，使定位杆一21在支撑杆11上滑动，同时，在定位杆一21滑动时，位于下侧的直齿轮22在齿条12的作用下转动，进而通过皮带23带动两个直齿轮22转动，位于上侧的直齿轮22通过带动定位板二25转动，从而带动定位杆二26摆动，此是为了适应孕妇的肚子，使针头与孕妇的肚子相对，便于对胎儿细胞的抽取。Specifically, because the positions of the fetus and the placenta in the pregnant woman's belly are inconsistent, before the medical staff extracts fetal cells, they need to push the positioning rod 21 so that the positioning rod 21 slides on the support rod 11. At the same time, the positioning rod 21 When sliding, the spur gear 22 on the lower side rotates under the action of the rack 12, and then drives the two spur gears 22 to rotate through the belt 23. The spur gear 22 on the upper side drives the positioning plate 22 to rotate, thereby driving the positioning rod. 26 swing, this is to adapt to the pregnant woman's belly, so that the needle is opposite to the pregnant woman's belly to facilitate the extraction of fetal cells.
为了对定位装置2进行固定，如图4所示，27包括与定位杆一21内壁滑动连接的U形杆271，U形杆271靠近传动装置5的一侧设置有两个齿牙272，齿牙272与直齿轮22啮合连接。In order to fix the positioning device 2, as shown in Figure 4, 27 includes a U-shaped rod 271 slidingly connected to the inner wall of the positioning rod 21. The U-shaped rod 271 is provided with two teeth 272 on one side close to the transmission device 5. The teeth 272 are meshed with the spur gear 22 .
具体的，当将定位杆一21移动至相应位置后，通过按动U形杆271，使两个齿牙272与位于上侧的直齿轮22啮合，此时直齿轮22将不会再转动，进而使定位装置2无法运动，以此对定位装置2进行固定。Specifically, after moving the positioning rod 21 to the corresponding position, by pressing the U-shaped rod 271, the two teeth 272 are meshed with the spur gear 22 located on the upper side. At this time, the spur gear 22 will no longer rotate. Then, the positioning device 2 cannot move, thereby fixing the positioning device 2 .
为了进一步对抽取胎儿细胞前的位置进行调节，如图6所示，提升装置3包括与螺纹杆二28外表面螺纹连接的提升杆31，提升杆31的外表面与定位杆二26上的连接孔滑动连接，提升杆31的外表面远离定位装置2的一侧下部设置有连接杆一32，连接杆一32的下端设置有弧形杆33，弧形杆33的中部开设有定位孔一333，弧形杆33的外表面上部阵列有固定孔一331，定位孔一333的内腔两侧开设有与固定孔一331相通的滑槽332。In order to further adjust the position before extracting fetal cells, as shown in Figure 6, the lifting device 3 includes a lifting rod 31 threadedly connected to the outer surface of the threaded rod 28, and the outer surface of the lifting rod 31 is connected to the positioning rod 26 The holes are slidingly connected. The lower part of the outer surface of the lifting rod 31 away from the positioning device 2 is provided with a connecting rod 32. The lower end of the connecting rod 32 is provided with an arc-shaped rod 33. A positioning hole 333 is provided in the middle of the arc-shaped rod 33. , there is an array of fixing holes 331 on the upper outer surface of the arc-shaped rod 33, and slide grooves 332 communicating with the fixing hole 331 are provided on both sides of the inner cavity of the positioning hole 333.
具体的，在对定位装置2固定后，通过转动旋钮29，带动螺纹杆二28转动，而与螺纹杆二28螺纹连接的提升杆31此时在定位杆二26的内腔中运动，以此将提升杆31调节至接近孕妇肚子的位置。Specifically, after the positioning device 2 is fixed, the knob 29 is rotated to drive the threaded rod 28 to rotate, and the lifting rod 31 threadedly connected to the threaded rod 28 moves in the inner cavity of the positioning rod 26, so that Adjust the lifting rod 31 to a position close to the pregnant woman's belly.
综上所述，其具体的实施方式为：因为胎儿和胎盘在孕妇肚子中的位置不一致，在医护人员抽取胎儿细胞前，需通过推动定位杆一21，通过两个直齿轮22和皮带23带动定位杆二26摆动，然后按动U形杆271，使两个齿牙272与位于上侧的直齿轮22啮合，此时直齿轮22将不会再转动，进而使定位装置2无法运动，以此对定位装置2进行固定，在对定位装置2固定后，通过转动旋钮29，带动螺纹杆二28转动，而与螺纹杆二28螺纹连接的提升杆31此时在定位杆二26的内腔中运动，以此将弧形杆33调节至接近孕妇肚子的位置，用以调整下针时的位置。To sum up, the specific implementation method is: because the position of the fetus and the placenta in the pregnant woman's belly is inconsistent, before the medical staff extracts the fetal cells, it is necessary to push the positioning rod 21 and drive it through the two spur gears 22 and the belt 23 The positioning rod 26 swings, and then the U-shaped rod 271 is pressed, so that the two teeth 272 mesh with the spur gear 22 on the upper side. At this time, the spur gear 22 will no longer rotate, thereby making the positioning device 2 unable to move. The positioning device 2 is fixed. After the positioning device 2 is fixed, the knob 29 is rotated to drive the threaded rod 28 to rotate, and the lifting rod 31 threadedly connected to the threaded rod 28 is now in the inner cavity of the positioning rod 26 During the movement, the arc-shaped rod 33 is adjusted to a position close to the pregnant woman's belly to adjust the position of the needle.
实施例二Embodiment 2
本实施例在实施例一的基础上对提升装置3中的弧形杆33进行进一步的改进，如图6-10所示，提升装置3的内腔中部设置有限位装置4，限位装置4是为了在抽取胎儿细胞前再次调节下针的位置，限位装置4的上部设置有传动装置5，传动装置5是为了便于医护人员在抽取胎儿细胞时对装置的操作，传动装置5靠近定位装置2的一侧设置有固定装置6，固定装置6是为了对注射器7进行固定，固定装置6的内腔中部设置有注射器7，注射器7为现有技术，用以对胎儿细胞进行抽取。This embodiment further improves the arc-shaped rod 33 in the lifting device 3 on the basis of the first embodiment. As shown in Figures 6-10, a limiting device 4 is provided in the middle of the inner cavity of the lifting device 3. The limiting device 4 It is to adjust the position of the needle again before extracting fetal cells. The upper part of the limiting device 4 is provided with a transmission device 5. The transmission device 5 is to facilitate the medical staff to operate the device when extracting fetal cells. The transmission device 5 is close to the positioning device. A fixing device 6 is provided on one side of 2. The fixing device 6 is used to fix the syringe 7. A syringe 7 is provided in the middle of the inner cavity of the fixing device 6. The syringe 7 is an existing technology and is used to extract fetal cells.
为了在抽取胎儿细胞时固定和限定运动方向，避免医生在操作时产生晃动对产妇和胎儿产生影响，如图6-7所示，限位装置4包括与滑槽332内腔表面滑动连接的弧形板41，弧形板41的上端两侧均设置有限位杆42，限位杆42的内腔表面上部两侧均开设有限位孔一421，限位杆42的内腔中部设置有提升板43，且提升板43的下端延伸至弧形板41的内部，提升板43上部内壁两侧均设置有限位销431，两个限位销431相互靠近的一侧设置有弹簧二432，提升板43的外表面相互远离的一侧阵列有直角三角形长条块433。In order to fix and limit the movement direction when extracting fetal cells and avoid the impact of shaking on the mother and fetus caused by the doctor during the operation, as shown in Figure 6-7, the limiting device 4 includes an arc slidingly connected to the inner cavity surface of the chute 332. Shape plate 41, the upper end of the arc plate 41 is provided with limit rods 42 on both sides, the limit rod 42 is provided with limit holes 421 on both sides of the upper part of the inner cavity surface, and the middle part of the inner cavity of the limit rod 42 is provided with a lifting plate 43, and the lower end of the lifting plate 43 extends to the inside of the arc plate 41. Limiting pins 431 are provided on both sides of the upper inner wall of the lifting plate 43. Two springs 432 are provided on the side of the two limiting pins 431 that are close to each other. The lifting plate 43 has an array of right-angled triangular strips 433 on one side of the outer surface away from each other.
为了对限位装置4进行固定，如图8所示，弧形板41的上端中部开设有定位孔二411，弧形板41的两侧内壁中均设置有与限位杆42下端固定连接的连接杆二412，连接杆二412的上端两侧均设置有弹簧一413，两个弹簧一413相互远离的一侧均设置有与连接杆二412上端固定连接的固定销414。In order to fix the limiting device 4, as shown in Figure 8, a positioning hole 411 is provided in the middle of the upper end of the arc-shaped plate 41, and the inner walls of both sides of the arc-shaped plate 41 are provided with two holes that are fixedly connected to the lower end of the limiting rod 42. The two connecting rods 412 are provided with springs 413 on both sides of the upper end of the second connecting rod 412. The sides of the two springs 413 away from each other are provided with fixing pins 414 that are fixedly connected to the upper end of the second connecting rod 412.
具体的，当提升板43向上运动时，带动连接杆二412向上运动，进而通过连接杆二412带动两个弹簧一413进入到相对应的两个固定孔一331的内腔中，进而使弧形板41与弧形杆33进行固定，同时，在提升板43向上运动时，限位销431也随着提升板43向上运动，当弹簧一413进入到固定孔一331内后，限位销431与限位孔一421对齐，限位销431在弹簧二432的推动下，进入到限位孔一421的内腔中，以此使提升板43与限位杆42之间固定，从而使弹簧一413与固定孔一331无法脱离接触，当需要将弧形板41与弧形杆33解除固定的状态时，通过相应的工具，将两个限位销431向相互靠近的一侧推动，使限位销431与限位孔一421的内腔脱离接触，然后在弹簧一413的推动下，提升板43向下运动，回到原来的位置，同时，固定销414也与固定孔一331的内腔脱离接触，从而将弧形板41与弧形杆33的固定状态解除。Specifically, when the lifting plate 43 moves upward, it drives the connecting rod 412 to move upward, and then drives the two springs 413 through the connecting rod 412 to enter the inner cavities of the two corresponding fixing holes 331, thereby causing the arc to move upward. The shaped plate 41 is fixed to the arc rod 33. At the same time, when the lifting plate 43 moves upward, the limit pin 431 also moves upward with the lifting plate 43. When the spring 413 enters the fixed hole 331, the limit pin 431 moves upward. 431 is aligned with the limit hole one 421. The limit pin 431 is pushed by the spring two 432 and enters the inner cavity of the limit hole one 421, so that the lifting plate 43 and the limit rod 42 are fixed. The spring one 413 cannot be out of contact with the fixing hole one 331. When it is necessary to release the arc plate 41 and the arc rod 33 from the fixed state, use the corresponding tool to push the two limit pins 431 to the side closer to each other. The limit pin 431 is disengaged from the inner cavity of the limit hole 421, and then, driven by the spring 413, the lifting plate 43 moves downward and returns to its original position. At the same time, the fixing pin 414 is also in contact with the fixing hole 331. The inner cavity is out of contact, thereby releasing the fixed state of the arc plate 41 and the arc rod 33.
为了便于医护人员对胎儿细胞检测装置的操作，同时配合提升板43对限位装置4进行固定，如图8-9所示，传动装置5包括枪形外壳51，枪形外壳51靠近固定装置6的一侧外表面上下两端均开设有固定孔二511，枪形外壳51的中部设置有传动块一52，传动块一52的外表面靠近固定装置6的一侧下部设置有梯形块一53，梯形块一53靠近固定装置6的一侧设置有与枪形外壳51内腔表面滑动连接的梯形块二54，梯形块二54外表面靠近提升板43的一侧阵列有摩擦粒541，传动块一52的外表面靠近固定装置6的一侧上部设置有弹性钢条55，弹性钢条55靠近固定装置6的一侧上方设置有与枪形外壳51内壁转动连接的传动杆56，且传动杆56的一端延伸至枪形外壳51的外部，传动杆56的外表面设置有凸轮58，传动杆56延伸至枪形外壳51外部的一端设置有传动块二57，传动块一52的上端设置有弹簧三50，弹簧三50的上端设置有固定板二59。In order to facilitate the operation of the fetal cell detection device by medical staff, the limiting device 4 is fixed with the lifting plate 43. As shown in Figure 8-9, the transmission device 5 includes a gun-shaped shell 51, and the gun-shaped shell 51 is close to the fixing device 6 There are fixing holes 2 511 on the upper and lower ends of one side of the outer surface. A transmission block 52 is provided in the middle of the gun-shaped housing 51. A trapezoidal block 53 is provided on the lower part of the outer surface of the transmission block 52 close to the fixing device 6. , the trapezoidal block one 53 is provided with a trapezoidal block two 54 that is slidingly connected to the inner cavity surface of the gun-shaped housing 51 on one side of the trapezoidal block 53 close to the fixing device 6. The outer surface of the trapezoidal block two 54 is provided with an array of friction particles 541 on one side close to the lifting plate 43. The transmission An elastic steel bar 55 is provided on the upper side of the outer surface of the block 52 close to the fixing device 6. A transmission rod 56 is provided on the upper side of the elastic steel bar 55 close to the fixing device 6 and is rotatably connected to the inner wall of the gun-shaped housing 51. One end of the rod 56 extends to the outside of the gun-shaped housing 51, the outer surface of the transmission rod 56 is provided with a cam 58, one end of the transmission rod 56 extends to the outside of the gun-shaped housing 51 is provided with a transmission block 57, and the upper end of the transmission block 52 is provided with a cam 58. There is a spring three 50, and a fixing plate two 59 is provided at the upper end of the spring three 50.
为了对提升板43进行提升，以便通过提升板43带动固定销414，将限位装置4固定在弧形杆33上，如图8所示，弹性钢条55包括与传动块一52外表面固定连接的弹性钢片551，弹性钢片551的外表面下部设置有直角三角形连接块552，直角三角形连接块552与直角三角形长条块433的外形相匹配。In order to lift the lifting plate 43 so as to drive the fixing pin 414 through the lifting plate 43, the limiting device 4 is fixed on the arc rod 33. As shown in Figure 8, the elastic steel bar 55 includes an elastic steel bar 55 fixed to the outer surface of the transmission block 52 The elastic steel piece 551 is connected, and a right-angled triangle connecting block 552 is provided on the lower part of the outer surface of the elastic steel piece 551. The right-angled triangle connecting block 552 matches the shape of the right-angled triangle strip block 433.
具体的，在抽取胎儿细胞前，将限位杆42和提升板43通过枪形外壳51上的固定孔二511进入到枪形外壳51的内部，使直角三角形连接块552与直角三角形长条块433接触，通过移动传动装置5带动限位装置4在弧形杆33的内腔中移动，移动到相应位置后，通过拉动传动块一52，带动弹性钢条55向上运动，在直角三角形连接块552与直角三角形长条块433的配合下，从而带动提升板43向上运动，进而将限位装置4与提升装置3进行固定，然后转动传动块二57，使传动杆56带动凸轮58转动，从而通过凸轮58离传动杆56较远的一侧将弹性钢片551推动，使直角三角形连接块552与直角三角形长条块433脱离接触，然后沿着限位杆42的外表面向靠近弧形杆33的方向运动，此时，注射器7上的PTC针头从定位孔二411穿过后进入到孕妇的体内，当注射器7上的PTC针头运动相应位置后，医护人员再次拉动传动块一52，使传动块一52带动梯形块一53向上运动，在梯形块一53向上运动一定距离后，与梯形块二54接触，当梯形块一53继续向上运动时，梯形块一53推动梯形块二54向靠近提升板43的相向运动，使梯形块二54与限位杆42与提升板43紧密接触，直至传动块一52无法再向上运动为止，摩擦粒541可增大与限位杆42、提升板43之间的摩擦力，避免梯形块二54与限位杆42、提升板43之间产生相对滑动，影响到胎儿细胞的抽取，然后可拉动注射器7进行胎儿细胞的抽取。Specifically, before extracting fetal cells, the limiting rod 42 and the lifting plate 43 are inserted into the interior of the gun-shaped housing 51 through the second fixing hole 511 on the gun-shaped housing 51, so that the right-angled triangle connecting block 552 and the right-angled triangle strip block are connected 433 contacts, the moving transmission device 5 drives the limiting device 4 to move in the inner cavity of the arc-shaped rod 33. After moving to the corresponding position, the elastic steel bar 55 is driven to move upward by pulling the transmission block 52, and the elastic steel bar 55 is moved upward in the right triangle connecting block 552. With the cooperation of the right-angled triangle strip block 433, the lifting plate 43 is driven to move upward, and the limiting device 4 and the lifting device 3 are fixed, and then the transmission block 2 57 is rotated, so that the transmission rod 56 drives the cam 58 to rotate, thereby passing The side of the cam 58 far away from the transmission rod 56 pushes the elastic steel piece 551 to disengage the right-angled triangle connecting block 552 from the right-angled triangle strip block 433, and then faces along the outer surface of the limiting rod 42 toward the arc-shaped rod 33 At this time, the PTC needle on the syringe 7 passes through the positioning hole 2 411 and enters the pregnant woman's body. When the PTC needle on the syringe 7 moves to the corresponding position, the medical staff pulls the transmission block 1 52 again, so that the transmission block 1 52 drives the trapezoidal block one 53 to move upward. After the trapezoidal block one 53 moves upward for a certain distance, it contacts the trapezoidal block two 54. When the trapezoidal block one 53 continues to move upward, the trapezoidal block one 53 pushes the trapezoidal block two 54 toward the lifting plate. The relative movement of 43 makes the trapezoidal block 54, the limit rod 42 and the lifting plate 43 come into close contact until the transmission block 52 can no longer move upward. The friction particles 541 can increase the distance between the limit rod 42 and the lifting plate 43. The friction force prevents relative sliding between the trapezoidal block 2 54 and the limiting rod 42 and the lifting plate 43, which affects the extraction of fetal cells. Then the syringe 7 can be pulled to extract the fetal cells.
为了对注射器7进行固定，如图9-10所示，固定装置6包括与枪形外壳51外表面固定连接的固定外壳61，固定外壳61的上端开设有固定槽611，固定槽611的内腔与注射器7的外套卷边尺寸与形状相匹配，固定外壳61的外表面中部一侧开设有显示孔612，固定外壳61的上部设置有与枪形外壳51外表面转动连接的限位板63，限位板63的上端中部开设有限位孔二631，限位板63的上端靠近枪形外壳51的一侧开设有限位槽632，限位槽632的一侧开设有定位槽633，且限位槽632与定位槽633相通，限位板63的上部设置有定位件64。In order to fix the syringe 7, as shown in Figures 9-10, the fixing device 6 includes a fixed shell 61 fixedly connected to the outer surface of the gun-shaped shell 51. The upper end of the fixed shell 61 is provided with a fixing groove 611, and the inner cavity of the fixing groove 611 Matching the size and shape of the curling edge of the syringe 7, a display hole 612 is provided on the middle side of the outer surface of the fixed housing 61. The upper part of the fixed housing 61 is provided with a limiting plate 63 that is rotationally connected to the outer surface of the gun-shaped housing 51. A limiting hole 631 is provided in the middle of the upper end of the limiting plate 63. A limiting groove 632 is formed on one side of the upper end of the limiting plate 63 close to the gun-shaped housing 51. A positioning groove 633 is formed on one side of the limiting groove 632. The groove 632 communicates with the positioning groove 633, and a positioning member 64 is provided on the upper part of the limiting plate 63.
为了对限位板63进行固定，以此对注射器7进行固定，如图10所示，定位件64包括与枪形外壳51外表面固定连接的连接杆三641，连接杆三641的外表面缠绕有弹簧四642，弹簧四642远离枪形外壳51的一端设置有与连接杆三641外表面滑动连接的滑块643，滑块643的下端与限位槽632、定位槽633的内壁滑动连接。In order to fix the limiting plate 63 and thereby fix the syringe 7, as shown in Figure 10, the positioning member 64 includes a connecting rod 641 fixedly connected to the outer surface of the gun-shaped housing 51, and the outer surface of the connecting rod 641 is wrapped around There is a spring 642. One end of the spring 642 away from the gun-shaped housing 51 is provided with a slider 643 that is slidingly connected to the outer surface of the connecting rod 641. The lower end of the slider 643 is slidably connected to the inner walls of the limiting groove 632 and the positioning groove 633.
具体的，将注射器7放入到固定外壳61的内腔中，固定外壳61上部的固定槽611可以将注射器7的外套卷边放置在其内腔中，然后转动限位板63，使滑块643在限位槽632内滑动，当限位板63转动移动角度后，限位板63与固定外壳61的上部相吻合，此时，滑块643在弹簧四642的拉动进而到定位槽633的内腔中，此时限位板63无法在转动，同时，位于固定外壳61内腔中的注射器7也无法移动，而注射器7上的芯杆通过限位孔二631放置在限位板63的上部，可进行拉动。Specifically, put the syringe 7 into the inner cavity of the fixed housing 61. The fixed groove 611 on the upper part of the fixed housing 61 can place the crimped outer cover of the syringe 7 in the inner cavity, and then rotate the limiting plate 63 so that the slider 643 slides in the limiting groove 632. When the limiting plate 63 rotates and moves through the angle, the limiting plate 63 matches the upper part of the fixed housing 61. At this time, the slider 643 is pulled by the spring 642 and then moves to the positioning groove 633. In the inner cavity, the limit plate 63 cannot rotate at this time. At the same time, the syringe 7 located in the inner cavity of the fixed housing 61 cannot move, and the core rod on the syringe 7 is placed on the upper part of the limit plate 63 through the limit hole 2 631. , can be pulled.
综上所述，其具体的实施方式为：在将定位装置2和提升装置3固定完毕后，将限位杆42和提升板43通过枪形外壳51上的固定孔二511进入到枪形外壳51的内部，使直角三角形连接块552与直角三角形长条块433接触，通过移动传动装置5带动限位装置4在弧形杆33的内腔中移动，移动到相应位置后，通过拉动传动块一52，带动弹性钢条55向上运动，在直角三角形连接块552与直角三角形长条块433的配合下，从而带动提升板43向上运动，进而通过提升板43和固定销414的配合将限位装置4与提升装置3进行固定，然后转动传动块二57，使传动杆56带动凸轮58转动，从而通过凸轮58离传动杆56较远的一侧将弹性钢片551推动，使直角三角形连接块552与直角三角形长条块433脱离接触，然后枪形外壳51沿着限位杆42的外表面向靠近弧形杆33的方向运动，此时，注射器7上的PTC针头从定位孔二411穿过后进入到孕妇的体内，当注射器7上的PTC针头运动相应位置后，医护人员再次拉动传动块一52，使传动块一52带动梯形块一53向上运动，在梯形块一53向上运动一定距离后与梯形块二54接触，当梯形块一53继续向上运动时，梯形块一53推动梯形块二54向靠近提升板43的相向运动，使梯形块二54与限位杆42与提升板43紧密接触，直至传动块一52无法再向上运动为止，摩擦粒541可增大与限位杆42、提升板43之间的摩擦力，避免梯形块二54与限位杆42、提升板43之间产生相对滑动，影响到胎儿细胞的抽取，然后可拉动注射器7进行胎儿细胞的抽取。To sum up, the specific implementation mode is: after the positioning device 2 and the lifting device 3 are fixed, the limiting rod 42 and the lifting plate 43 are inserted into the gun-shaped housing 51 through the second fixing hole 511 on the gun-shaped housing 51. 51, the right-angled triangle connecting block 552 is in contact with the right-angled triangle strip block 433, and the limiting device 4 is driven by moving the transmission device 5 to move in the inner cavity of the arc-shaped rod 33. After moving to the corresponding position, the limiting device 4 is moved by pulling the transmission block. 52, driving the elastic steel bar 55 to move upward, with the cooperation of the right-angled triangle connecting block 552 and the right-angled triangle strip block 433, thereby driving the lifting plate 43 to move upward, and then through the cooperation of the lifting plate 43 and the fixed pin 414, the limiting device 4. Fix it with the lifting device 3, and then rotate the transmission block 57 to make the transmission rod 56 drive the cam 58 to rotate, thereby pushing the elastic steel piece 551 through the side of the cam 58 far away from the transmission rod 56, so that the right-angled triangle connecting block 552 It is out of contact with the right-angled triangle strip block 433, and then the gun-shaped housing 51 moves along the outer surface of the limiting rod 42 in the direction close to the arc-shaped rod 33. At this time, the PTC needle on the syringe 7 passes through the positioning hole 2 411 and then enters. into the pregnant woman's body, when the PTC needle on the syringe 7 moves to the corresponding position, the medical staff pulls the transmission block 52 again, so that the transmission block 52 drives the trapezoidal block 53 to move upward. After the trapezoidal block 53 moves upward for a certain distance, it The second trapezoidal block 54 is in contact. When the trapezoidal block 153 continues to move upward, the trapezoidal block 53 pushes the trapezoidal block 54 to move closer to the lifting plate 43, so that the trapezoidal block 54 is in close contact with the limit rod 42 and the lifting plate 43. , until the transmission block 52 can no longer move upward, the friction particles 541 can increase the friction with the limit rod 42 and the lifting plate 43 to avoid the generation of friction between the trapezoidal block 2 54 and the limit rod 42 and the lifting plate 43 The relative sliding affects the extraction of fetal cells, and then the syringe 7 can be pulled to extract fetal cells.
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310116538.8ACN116807523A (en) | 2023-02-15 | 2023-02-15 | Fetal cell detection device based on prenatal diagnosis and inspection is used |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310116538.8ACN116807523A (en) | 2023-02-15 | 2023-02-15 | Fetal cell detection device based on prenatal diagnosis and inspection is used |
| Publication Number | Publication Date |
|---|---|
| CN116807523Atrue CN116807523A (en) | 2023-09-29 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310116538.8AWithdrawnCN116807523A (en) | 2023-02-15 | 2023-02-15 | Fetal cell detection device based on prenatal diagnosis and inspection is used |
| Country | Link |
|---|---|
| CN (1) | CN116807523A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118726058A (en)* | 2024-09-02 | 2024-10-01 | 上海昂玳医学技术有限公司 | Device and method for obtaining fetal trophoblast cells from cervical mucus samples of pregnant women |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118726058A (en)* | 2024-09-02 | 2024-10-01 | 上海昂玳医学技术有限公司 | Device and method for obtaining fetal trophoblast cells from cervical mucus samples of pregnant women |
| Publication | Publication Date | Title |
|---|---|---|
| CN116807523A (en) | Fetal cell detection device based on prenatal diagnosis and inspection is used | |
| CN107715215B (en) | Paediatrician is with paediatrics negative pressure gastric lavage device | |
| CN218105941U (en) | A biopsy capsule controlled back and forth to different traces by the same swing control mechanism | |
| CN114955241A (en) | Gene diagnostic kit for systemic lupus erythematosus and method of using the same | |
| CN110123383A (en) | A clinical biopsy sampling analysis device for gastroenterology | |
| CN115120275A (en) | Clinical amniotic fluid puncture sampling device that uses of obstetrical department | |
| CN210903288U (en) | Clinical artificial membrane rupture device | |
| CN220577881U (en) | Pathological section placing box | |
| CN204158438U (en) | The reset labor-saving structure of anastomat | |
| CN114983493A (en) | Female reproductive system examination sampling system and use method thereof | |
| CN113925543A (en) | A Novel Semi-Automatic Biopsy Device | |
| CN213759902U (en) | A contrast agent injection device for dual-source CT pancreatic perfusion imaging | |
| CN221752013U (en) | A drug guide instrument coupled with a patch taking device | |
| CN213490137U (en) | Gynecological examination device | |
| CN214804909U (en) | Clinical sampling device of vagina secretion | |
| CN112168232A (en) | Focus-closing thermal cutting device for genital tract tumor in vivo sampling and operation method | |
| CN222778115U (en) | A HCG test sampling detection device | |
| CN218407200U (en) | Protective lead door for X-ray room | |
| CN218047959U (en) | Blood sample collection box for hematology nursing | |
| CN113144335B (en) | Infusion pump with liquid stopping clamp | |
| CN221691430U (en) | A surgical retractor for animal husbandry and veterinary medicine | |
| CN216249646U (en) | A sow pregnancy diagnosis teaching aid | |
| CN219331845U (en) | a fetal membrane needle | |
| CN221432721U (en) | Chemical medicine agitated vessel convenient to clearance | |
| CN114180219B (en) | Intracardiac branch of academic or vocational study contrast medium firing equipment |
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | Application publication date:20230929 | |
| WW01 | Invention patent application withdrawn after publication |