CN111513729B - An Efficient Prenatal Diagnosis Interphase Fetal Cell Detection Device - Google Patents

Abstract

Translated fromChinese

本发明公开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，该高效的产前诊断间期胎儿细胞检测装置，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。

The invention discloses an efficient prenatal diagnosis interphase fetal cell detection device, comprising a liquid suction tube, a liquid suction plate is slidably connected to the inside of the liquid suction tube, and a liquid suction rod is fixedly connected to the top of the liquid suction plate. The bottom of the suction pipe is interspersed with a pin, the bottom of the suction pipe is provided with a receiving box, the bottom of the receiving box is interspersed with a receiving pipe, and the side of the receiving rod is slidably connected above the screw. There is an ejector rod, the side of the ejector rod is slidably connected with a gas pipe, the side of the gas pipe away from the receiving rod is fixedly connected with an air spring, the top of the air spring is fixedly connected with a connecting rod, and the two one-way clamping blocks are The opposite side is provided with a spring rod. This efficient prenatal diagnosis interphase fetal cell detection device is used in conjunction with the suction cup and the receiving rod, so that the depth of the needle can be automatically adjusted when the pregnant woman performs abdominal breathing to prevent the insertion of the needle. The effect of needle detachment or passage through the umbilical cord.

Description

Efficient prenatal diagnosis interphase fetal cell detection device

Technical Field

The invention relates to the technical field of prenatal diagnosis, in particular to an efficient prenatal diagnosis interval fetal cell detection device.

Background

Prenatal diagnosis refers to the detection and diagnosis of the development state of the embryo or fetus before birth, whether the embryo or fetus has a disease, etc., so as to master the preoccupation and select a proper time for intrauterine treatment of a curable disease; for non-treatable diseases, informed choice can be made, and a broad spectrum of prenatal diagnostic subjects include: spontaneous abortion in the early pregnancy period is repeated; history of birth defects in the past; family molecular genetic history; family history of neural tube defects; pregnancy withtype 1 diabetes, hypertension, epilepsy, asthma; once exposed to drugs, viruses, environmental hazards; parents' relativity, etc.

Umbilical cord vascular puncture is an important one of many prenatal diagnostic categories by which fetal cells can be extracted for fetal cell detection.

When the pregnant woman carries out umbilical vessel puncture, for pregnant woman's belly is undulant by a wide margin, the doctor can require the pregnant woman to carry out chest breathing to the fetus appears fluctuating in order to avoid in the abdomen the fetus to appear, leads to the contact pin to insert the fetus umbilical cord and appears unusually, both the contact pin breaks away from or passes the umbilical cord, nevertheless in the puncture process, the pregnant woman can be difficult to avoid can appearing nervous mood, under unconscious condition, the pregnant woman just can the macrostoma panting, carries out abdominal breathing, causes the influence to going on of puncture.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an efficient prenatal diagnosis interval fetal cell detection device, which has the advantages of automatically adjusting the depth of a contact pin when a pregnant woman performs abdominal respiration, preventing the contact pin from separating from or penetrating through an umbilical cord and the like, and solves the problem that once the pregnant woman performs the abdominal respiration, the depth of the contact pin can only be adjusted by a doctor when the existing device performs puncture, so that the contact pin is easily separated from or penetrates through the umbilical cord.

(II) technical scheme

In order to realize the aim of automatically adjusting the depth of the insertion needle and preventing the insertion needle from separating from or penetrating through the umbilical cord when the pregnant woman carries out abdominal respiration, the invention provides the following technical scheme: an efficient prenatal diagnosis interphase fetal cell detection device comprises a liquid suction pipe, wherein a liquid suction plate is connected to the inside of the liquid suction pipe in a sliding manner, a liquid suction rod is fixedly connected to the top of the liquid suction plate, contact pins are arranged at the bottom of the liquid suction pipe in an inserting manner, a bearing box is arranged below the liquid suction pipe, a bearing pipe is arranged at the bottom of the bearing box in an inserting manner, a buffer rod is fixedly connected to the inner wall of the bearing pipe, a moving rod is arranged between the two buffer rods, a sucker is fixedly connected to the bottom of the moving rod, a bearing wheel is connected to the side surface of the bearing pipe in an engaging manner, a linkage rod is connected to the surface of the bearing wheel in a rotating manner, a T-shaped rod is connected to the top of the linkage rod in a rotating manner, a clamping rod is connected to one side of the two T-shaped rods opposite to each other in a sliding manner, one side, far away from the bearing rod, of the screw rod is connected with an air blowing rod in a meshed mode, the top of the air blowing rod is rotatably connected with an air box, the side face of the bearing rod and located above the screw rod are connected with an ejector rod in a sliding mode, the side face of the ejector rod is connected with an air pipe in a sliding mode, one side, far away from the bearing rod, of the air pipe is fixedly connected with an air spring, the top of the air spring is fixedly connected with a connecting rod, one-way clamping blocks are arranged below the connecting rod, and a spring;

preferably, a concave block is arranged on the side surface of the adapting rod and inside the liquid pumping pipe, when the adapting rod moves upwards relative to the liquid pumping pipe, an inclined surface of the concave block arranged on the side surface of the adapting rod extrudes the ejector rod to enable the ejector rod to move relative to the air pipe, and air in the air pipe is extruded into the air spring;

preferably, a clamping groove is formed in the side face of the liquid pumping rod, and the clamping rod is inserted into the clamping groove when the abdomen fluctuates severely to prevent the liquid pumping rod from moving;

preferably, an arc-shaped bulge is arranged on one side, away from the linkage rod, of the T-shaped rod, and the T-shaped rod is not in contact with one side of the clamping rod when the T-shaped rod is static, so that the liquid pumping rod is prevented from being clamped when the abdomen of a pregnant woman slightly fluctuates;

preferably, a support rod is arranged on the side surface of the T-shaped rod;

preferably, the bottom of the air blowing rod is provided with an air blowing fan;

preferably, the side surface of the moving rod is provided with a stop lever, the stop lever and the buffer lever are arranged in a staggered manner, and the moving rod is fastened to be connected with the bearing pipe;

preferably, the air outlet of the air box is arranged at the edge of the insertion needle, so that the sprayed air flow blows away the disinfectant at the connection position of the insertion needle and the abdominal cavity along the edge of the insertion needle.

(III) advantageous effects

Compared with the prior art, the invention provides an efficient prenatal diagnosis interval fetal cell detection device, which has the following beneficial effects:

1. this efficient prenatal diagnosis interphase fetal cell detection device uses through the cooperation of sucking disc with the adapting rod, when carrying out umbilical cord blood vessel puncture to the pregnant woman, will pass the pregnant woman abdominal cavity with the contact pin now, passes the amniotic membrane afterwards, inserts the umbilical cord of foetus in the end, in order to prevent the shake, fixes the liquid suction pipe. After the contact pin is inserted into the umbilical cord, the movable rod is adjusted to enable the movable rod to extrude the buffer rod in the bearing pipe and move relative to the bearing pipe over the buffer rod, so that the suction cup at the bottom of the movable rod can suck the abdomen of the pregnant woman without extrusion force. When the pregnant woman does not carry out abdominal respiration, the fluctuation range of the abdomen is small, the fetus in the abdomen can not move, a doctor only needs to pull the liquid pumping rod, blood in the umbilical cord is pumped into the liquid pumping tube through the liquid pumping plate, when the pregnant woman does abdominal respiration because of tension unconsciousness, violent fluctuation appears in the abdomen, the sucker fluctuates along with fluctuation, and then the sucker drives the adapting tube synchronous movement through the moving rod, so that the adapting tube synchronous movement above the adapting tube is caused, when the adapting tube moves upwards relative to the liquid pumping tube, the inclined plane of the concave block arranged on the side face of the adapting tube extrudes the ejector rod, so that the adapting tube moves relative to the trachea, and gas in the trachea is extruded into the air spring. The air spring increases elasticity due to the increase of internal air pressure, the connecting rod is extruded, the spring rod used for fixing the contact pin and arranged on the side face of the contact pin crosses the one-way clamping block, the contact pin is driven by the connecting rod to move synchronously relative to the liquid pumping pipe, the contact pin moves upwards along with the upward fluctuation of the belly, and the contact pin cannot be separated from or penetrate through an umbilical cord due to the upward fluctuation of the fetus at the belly. In a similar way, when the abdomen fluctuates sharply downwards, the contact pins can move synchronously, so that the effect of automatically adjusting the depth of the contact pins and preventing the contact pins from being separated from or penetrating through the umbilical cord when the pregnant woman breathes in the abdominal mode is achieved.

2. This efficient prenatal diagnosis interphase fetal cell detection device, use through the cooperation of bearing wheel and trace, when the adapter moves for the bearing wheel, the bearing wheel is driven, and then drive the trace, because the abdomen acutely fluctuates, so the displacement of trace is great, when the trace removed, T-shaped pole reverse displacement under the effect of the branch that the side set up, the arc arch of setting up through its side caused the extrusion to the card pole, make the card pole remove to being close to the liquid suction pole direction, insert in the jack that the liquid suction pole side was seted up, die the card of liquid suction pole, prevent that the liquid suction pipe from continuing to draw liquid when the belly is undulant, thereby reached and avoided the contact pin to draw liquid when the umbilical cord removes, prevent to be close to the umbilical cord inner wall and produce great hydraulic pressure to the umbilical cord, and then the effect of damage umbilical cord.

3. This efficient prenatal diagnosis interphase fetal cell detection device uses through the cooperation of bellows and screw rod, when the accepting lever removes for the liquid suction pipe, the screw rod takes place the meshing transmission with the accepting lever for the screw rod rotates, and the screw rod is connected with the meshing of blowing the pole again, so the pole that blows rotates, drives the fan of blowing of below and rotates, and the air current that the fan of blowing produced passes through the bellows blowout, and the export setting of bellows is at the edge of contact pin, so the surface of contact pin can produce decurrent air current. When the contact pin automatic adjustment degree of depth, can produce relative displacement with pregnant woman's abdominal cavity, and the fluctuation of pregnant woman's abdominal cavity is oval-shaped, consequently the contact pin can produce lateral extrusion force with the abdominal cavity, the phenomenon that antiseptic solution infiltrates the abdominal cavity appears in the junction of contact pin and abdominal cavity under the extrusion force effect most probably, and the air current along the contact pin side can blow away the antiseptic solution of contact pin and abdominal cavity junction, thereby reached and prevented when pregnant woman's abdominal type breathes, the antiseptic solution infiltrates the inside effect of abdominal cavity.

Drawings

FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 2 is an enlarged view of the inside of the liquid suction tube according to the present invention;

FIG. 3 is a schematic view of the connection between the liquid sucking rod and the clamping rod according to the present invention;

FIG. 4 is a schematic cross-sectional view of a structural receiver box of the present invention;

FIG. 5 is a schematic cross-sectional view of the bearing tube of the present invention;

FIG. 6 is an enlarged view of the structure and the connecting mechanism of the carrying rod of the present invention;

FIG. 7 is a schematic sectional view of a structural windbox of the present invention;

FIG. 8 is a schematic view of the present invention structure and air spring coupling mechanism.

In the figure: 1. liquid pumping pipe, 2, liquid pumping plate, 3, inserting pin, 4, liquid pumping rod, 5, adapting rod, 6, adapting pipe, 7, adapting wheel, 8, linkage rod, 9, adapting box, 10, T-shaped rod, 11, clamping rod, 12, buffer rod, 13, moving rod, 14, sucking disc, 15, screw rod, 16, bellows, 17, air blowing rod, 18, ejector rod, 19, air pipe, 20, air spring, 21, connecting rod, 22, spring rod, 23 and one-way clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, an efficient prenatal diagnosis interval fetal cell detection device comprises aliquid pumping tube 1, aliquid pumping plate 2 is slidably connected inside theliquid pumping tube 1, aliquid pumping rod 4 is fixedly connected to the top of theliquid pumping plate 2, a clamping groove is formed in the side surface of theliquid pumping rod 4, aclamping rod 11 is inserted into the clamping groove when the abdomen fluctuates severely to prevent theliquid pumping rod 4 from moving, acontact pin 3 is inserted into the bottom of theliquid pumping tube 1, thecontact pin 3 is made of stainless steel, so that the corrosion of equipment can be effectively prevented, the service life of the equipment is greatly prolonged, the production cost is reduced, an indispensable role is played for enterprises, a receivingbox 9 is arranged below theliquid pumping tube 1, areceiving tube 6 is inserted into the bottom of thereceiving box 9, abuffer rod 12 is fixedly connected to the inner wall of thereceiving tube 6, a movingrod 13 is arranged between the twobuffer rods 12, and a stop rod is arranged on the side surface of the moving rod, the device is staggered with thebuffer rods 12, the connection between themovable rod 13 and theadapting tube 6 is fastened, the bottom of themovable rod 13 is fixedly connected with asucker 14, the side surface of theadapting tube 6 is engaged with abearing wheel 7, the surface of thebearing wheel 7 is rotatably connected with alinkage rod 8, the top of thelinkage rod 8 is rotatably connected with a T-shaped rod 10, the side surface of the T-shaped rod 10 is provided with a support rod, one side of the T-shaped rod 10, which is far away from thelinkage rod 8, is provided with an arc-shaped bulge and is not contacted with one side of theclamping rod 11 when the device is static, so as to prevent theliquid pumping rod 4 from being clamped when the abdomen of a pregnant woman slightly fluctuates, one side, which is opposite to the two T-shaped rods 10, is slidably connected with theclamping rod 11, the top of theadapting tube 6 is fixedly connected with theadapting rod 5, the side surface of theadapting rod 5 and the inside of theliquid pumping tube 1 are, the air spring is driven to move relative to anair pipe 19, air in theair pipe 19 is extruded into anair spring 20, the side surface of abearing rod 5 is meshed and connected with ascrew rod 15, one side of thescrew rod 15, which is far away from thebearing rod 5, is meshed and connected with anair blowing rod 17, the bottom of theair blowing rod 17 is provided with an air blowing fan, the top of theair blowing rod 17 is rotatably connected with anair box 16, an air outlet of theair box 16 is arranged at the edge of acontact pin 3, so that sprayed air flow blows away disinfectant at the joint of thecontact pin 3 and an abdominal cavity along the edge of thecontact pin 3, the side surface of thebearing rod 5 and above thescrew rod 15 is slidably connected with anejector rod 18, the side surface of theejector rod 18 is slidably connected with anair pipe 19, one side of theair pipe 19, which is far away from thebearing rod 5, the, theelastic rod 22 is made of light plastic, so that the equipment can be effectively prevented from being corroded, the service life of the equipment is greatly prolonged, the production cost is reduced, and the elastic rod plays an indispensable role in enterprises.

When carrying out umbilical vessel puncture to pregnant woman, will now passcontact pin 3 through pregnant woman's abdominal cavity, pass the amniotic membrane afterwards, insert the foetus in the umbilical cord finally, in order to prevent the shake, will extractliquid pipe 1 fixedly.

After theinsertion needle 3 is inserted into the umbilical cord, themovable rod 13 is adjusted to press thebuffer rod 12 inside thesocket 6 and move relative to thesocket 6 over thebuffer rod 12, so that thesuction cup 14 at the bottom of themovable rod 13 sucks the abdomen of the pregnant woman without pressing force.

When the pregnant woman does not perform abdominal respiration, the fluctuation amplitude of the abdomen is small, the fetus in the abdomen can not move, a doctor only needs to pull theliquid pumping rod 4, blood in the umbilical cord is pumped into theliquid pumping pipe 1 through theliquid pumping plate 2, when the pregnant woman does the abdominal respiration unconsciously due to tension, severe fluctuation occurs in the abdomen, thesucker 14 fluctuates along with the fluctuation, and then the movingrod 13 drives thebearing pipe 6 to move synchronously, so that thebearing pipe 6 above thebearing pipe 6 moves synchronously, when thebearing rod 5 moves upwards relative to theliquid pumping pipe 1, the inclined surface of the concave block arranged on the side surface of the bearing rod extrudes theejector rod 18, so that the bearing rod moves relative to theair pipe 19, and the air in theair pipe 19 is extruded into theair spring 20.

Theair spring 20 increases the elastic force due to the increase of the internal air pressure, and extrudes the connecting rod 21, so that thespring rod 22 arranged on the side surface of theinsertion pin 3 and used for fixing theinsertion pin 3 crosses the one-way clamping block 23, the connecting rod 21 drives theinsertion pin 3 to synchronously move relative to theliquid pumping pipe 1, theinsertion pin 3 moves upwards along with the upward fluctuation of the abdomen, and theinsertion pin 3 cannot be separated from or penetrate through the umbilical cord because the fetus at the abdomen can also fluctuate upwards.

In a similar way, when the abdomen fluctuates sharply downwards, theinserting pins 3 can move synchronously, so that the effect of automatically adjusting the depth of theinserting pins 3 and preventing theinserting pins 3 from separating from or penetrating through the umbilical cord when the pregnant woman breathes in the abdominal mode is achieved.

When the adaptingpipe 6 moves relative to the adaptingpipe 7, theadapting pipe 7 is driven, and then the interlockingrod 8 is driven, because the abdomen fluctuates violently, the moving distance of theinterlocking rod 8 is large, when the interlockingrod 8 moves, the T-shaped rod 10 moves reversely under the action of the supporting rod arranged on the side surface, the arc-shaped protrusion arranged on the side surface extrudes theclamping rod 11, theclamping rod 11 moves towards the direction close to theliquid pumping rod 4, the clamping rod is inserted into the jack arranged on the side surface of theliquid pumping rod 4, theliquid pumping rod 4 is clamped, theliquid pumping pipe 1 is prevented from continuously pumping liquid when the abdomen fluctuates, so that the liquid pumping when the umbilical cord is moved by theclamping rod 3 is avoided, the umbilical cord inner wall is prevented from generating large hydraulic pressure to the umbilical cord, and the umbilical cord is further damaged.

When thebearing rod 5 moves relative to the liquid extractingpipe 1, thescrew rod 15 and thebearing rod 5 are in meshing transmission, so that thescrew rod 15 rotates, thescrew rod 15 is in meshing connection with theair blowing rod 17, theair blowing rod 17 rotates to drive the air blowing fan below to rotate, air flow generated by the air blowing fan is sprayed out through theair box 16, the outlet of theair box 16 is arranged at the edge of thecontact pin 3, and downward air flow can be generated on the surface of thecontact pin 3.

When 3 automatic adjustment degree of depth of contact pin, can produce relative displacement with the pregnant woman abdominal cavity, and the fluctuation of pregnant woman abdominal cavity is become the ellipse circular, consequentlycontact pin 3 can produce lateral extrusion force with the abdominal cavity, the phenomenon that the antiseptic solution permeates the abdominal cavity appears in the junction ofcontact pin 3 and abdominal cavity under the extrusion force effect most probably, and the air current alongcontact pin 3 side can blow away the antiseptic solution ofcontact pin 3 with the abdominal cavity junction, thereby reached and prevented when pregnant woman abdominal type breathes, the antiseptic solution permeates the inside effect of abdominal cavity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. An efficient prenatal diagnosis interval fetal cell detection device, comprising an aspiration tube (1), characterized in that: the liquid extracting device is characterized in that a liquid extracting plate (2) is connected to the inside of the liquid extracting pipe (1) in a sliding mode, a liquid extracting rod (4) is fixedly connected to the top of the liquid extracting plate (2), inserting pins (3) are arranged at the bottom of the liquid extracting pipe (1) in an inserting mode, a bearing box (9) is arranged below the liquid extracting pipe (1), a bearing pipe (6) is arranged at the bottom of the bearing box (9) in an inserting mode, buffering rods (12) are fixedly connected to the inner wall of the bearing pipe (6), a moving rod (13) is arranged between the two buffering rods (12), a sucking disc (14) is fixedly connected to the bottom of the moving rod (13), a bearing wheel (7) is connected to the side face of the bearing pipe (6) in a meshing mode, a linkage rod (8) is connected to the surface of the bearing wheel (7) in a rotating mode, a T-shaped rod (10) is connected to the top of the linkage rod (8) in a, the top of the adapting pipe (6) is fixedly connected with an adapting rod (5), the side surface of the adapting rod (5) is connected with a screw rod (15) in a meshed mode, one side, far away from the adapting rod (5), of the screw rod (15) is connected with a blowing rod (17) in a meshed mode, the top of the blowing rod (17) is rotatably connected with an air box (16), the side surface of the adapting rod (5) and positioned above the screw rod (15) are connected with an ejector rod (18) in a sliding mode, the side surface of the ejector rod (18) is connected with an air pipe (19) in a sliding mode, one side, far away from the adapting rod (5), of the air pipe (19) is fixedly connected with an air spring (20), the top of the air spring (20) is fixedly connected with a connecting rod (21), one-way clamping blocks (23) are arranged below;

a concave block is arranged on the side surface of the bearing rod (5) and inside the liquid pumping pipe (1);

a clamping groove is formed in the side surface of the liquid pumping rod (4);

an arc-shaped bulge is arranged on one side, away from the linkage rod (8), of the T-shaped rod (10), and is not in contact with one side of the clamping rod (11) when the T-shaped rod is static;

a support rod is arranged on the side surface of the T-shaped rod (10);

an air blowing fan is arranged at the bottom of the air blowing rod (17);

the side surface of the moving rod (13) is provided with a stop rod, and the stop rod and the buffer rod (12) are arranged in a staggered manner;

the air outlet of the air box (16) is arranged at the edge of the inserting pin (3).

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