CN209464011U - A kind of obstetrics and gynecology department amniotic fluid sampler - Google Patents

Abstract

The utility model relates to medical instruments fields, especially a kind of obstetrics and gynecology department amniotic fluid sampler, including sampling structure, collection structure and sampling test tube, the sampling structure includes pricker, probe tube, telescoping tube, hard tube and sampling sliding block, the probe tube is placed in inside pricker and is sequentially connected with telescoping tube, hard tube and communicates, and the sampling sliding block is fixed on sampling pipe end；The collection structure includes collecting pipe, collecting chamber, piston, connection handle and collects sliding block, and the piston is placed in collecting chamber and is connected with connection handle, and sliding block is collected in connection handle connection.The structure design of the utility model is reasonable, amniotic fluid is collected using negative pressure, it is convenient and efficient, stable when use, accurate and safety and comfort, the amniotic fluid sample that can be reduced in the pollution and sampling test tube of other body fluid simultaneously is inhaled into collecting chamber, and sampling test tube inspection is directly removed after sampling, amniotic fluid is facilitated to store, sampling test tube can also be quickly replaced, prevents from polluting.

Description

A kind of obstetrics and gynecology department amniotic fluid sampler

Technical field

The utility model relates to medical instruments field, especially a kind of obstetrics and gynecology department amniotic fluid sampler.

Background technique

When Hospitals at Present carries out gynemetrics's inspection, it sometimes may require that and carry out amniotic fluid sampling, to judge puerpera's reason to be generated Health condition and development of fetus situation.Sampling mostly uses the mode directly extracted greatly at present, and the sample of extraction is easy to mix blood Deng and it is impure, in addition current carried out amniotic fluid sampling work is relatively complicated, inconvenient, is also easy in sampling process Cause puerpera uncomfortable.In the utility model that notification number is CN206183303U, a kind of obstetrics and gynecology department amniotic fluid sampling dress is provided It sets, amniotic fluid is sucked out using negative pressure cavity, simple and fast, the fixing sucking disk on pricker can also play fixed function.But the present apparatus is still Old existing defects, puncture needle and probe tube are still easy to be mixed into impurity during entering pregnant woman uterus, the in addition storage of amniotic fluid Putting is also problem, needs again external connecting tube, meanwhile, then during withdrawing rubber stopper, probe tube will also be withdrawn together, When amniotic fluid will flow into shell in pollute.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical disadvantages to provide a kind of obstetrics and gynecology department amniotic fluid sampler, can Sampling test tube is directly disposed, while reducing being mixed into and polluting for other body fluid as far as possible using the sampling head of bending, is in addition sampled Structure is separated with collection structure, prevents collecting chamber contaminated.

The utility model solves the technical solution that technical problem uses are as follows: a kind of obstetrics and gynecology department amniotic fluid sampler, including Lever, sampling structure, collection structure and sampling test tube, the sampling structure include pricker, probe tube, telescoping tube, hard tube and take Sample sliding block, the pricker and probe tube are hollow structure, to facilitate the probe tube to be pierced by out of pricker and probe tube takes Sample, the pricker are located on the outside of lever, and probe tube is placed in inside pricker and lever and is sequentially connected with telescoping tube, hard tube and communicates, The sampling sliding block is fixed on sampling pipe end, pushes up sampling sliding block, then probe tube can be pierced by into pregnant woman out of pricker Intrauterine, amniotic fluid will flow into sampling test tube along probe tube, telescoping tube and hard tube when sampling, when telescoping tube guarantees to push sampling sliding block Hard tube will not be displaced；The collection structure includes collecting pipe, collecting chamber, piston, rubber pad, connection handle and collects sliding block, described Collecting pipe connect with collecting chamber and communicates, and the piston is placed in collecting chamber, and surface is equipped with rubber pad, and rubber pad seals, Stablize negative pressure to be formed in collecting chamber when piston upwards, the piston other side is connected with connection handle, the connection handle end Sliding block is collected in connection, pushes up collection sliding block, piston upwards can be made to form negative pressure, and to sample by collecting pipe Negative pressure is formed in test tube, then amniotic fluid will be sucked by sampling structure at this time；The sampling test tube opening be equipped with rubber stopper, hard tube and Collecting pipe both passes through rubber stopper, and sampling test tube inspection is directly removed after sampling, amniotic fluid is facilitated to store, can also be faster Sampling test tube is replaced on ground, prevents from polluting.

Further, anti-slip layer, sliding when preventing from holding device are equipped on the outside of the lever.

Further, the probe tube front end is equipped with sampling head, and sampling head is fillet head and outwardly protrudes, two bulges Position bends inwards, and bending place is there are sampling hole, and pricker is during being pierced into uterus, the bodies such as blood that early period, sampling head touched Liquid will be walked along sampling both sides of head arc stream, and when pushing collection sliding block that collection structure is played a role, amniotic fluid will under the action of negative pressure Probe tube is sucked by sampling hole, to reduce the pollution of other body fluid, the sampling head of fillet head is also possible to prevent to be pierced into because of probe tube Uterus is too deep and stabs fetus.

Further, the sampling test tube wall is equipped with graduation mark, so as to more accurately hold the amount of amniotic fluid collection.

Further, the hard tube protrudes into sampling test tube bottom end, and collecting pipe is only pierced by rubber stopper, prevents in sampling test tube Amniotic fluid sample is inhaled into collecting chamber and pollutes.

Further, on the pricker have fixing sucking disk, can secure the device on pregnant woman's body, with reduce because It is uncomfortable that hand-held device shakes bring.

Beneficial effect possessed by the utility model is: the structure design of the utility model is reasonable, collects amniotic fluid using negative pressure, It is convenient and efficient；Anti-slip layer and fixing sucking disk can play stable effect, anti-locking apparatus sliding or shake；The sampling head of bending can To reduce the pollution of other body fluid；The sampling head of fillet head is also possible to prevent to stab fetus because probe tube piercing uterus is too deep； Sampling test tube wall is equipped with graduation mark, so as to more accurately hold the amount of amniotic fluid collection；Hard tube and collecting pipe protrude into sampling The length difference of test tube is polluted with preventing the amniotic fluid sample in sampling test tube to be inhaled into collecting chamber；It is directly taken after sampling Lower sampling test tube inspection, facilitates amniotic fluid to store, and can also quickly replace sampling test tube, prevents from polluting.

Detailed description of the invention

Attached drawing 1 is the structural schematic diagram of the utility model.

Attached drawing 2 is the structural schematic diagram of sampling head described in the utility model.

Specific embodiment

With reference to the accompanying drawing 1, attached drawing 2 is described below the utility model.

As shown in Figure 1 and 2, the utility model includes lever 1, sampling structure, collection structure and sampling test tube 13, described to take Spline structure includes pricker 2, probe tube 3, telescoping tube 4, hard tube 5 and sampling sliding block 6, and the pricker 2 and probe tube 3 are hollow knot Structure, to facilitate 3 pipes of sampling to be pierced by out of pricker 2 and the sampling of probe tube 3, the pricker 2 is located at 1 outside of lever, probe tube 3 are placed in pricker 2 and 1 inside of lever and are sequentially connected and communicate with telescoping tube 4, hard tube 5, and the sampling sliding block 6 is fixed on probe tube 3 End pushes up sampling sliding block 6, then probe tube 3 can be pierced by out of pricker 2 into pregnant woman uterus, and amniotic fluid is by edge when sampling Probe tube 3, telescoping tube 4 and hard tube 5 flow into sampling test tube 13, and telescoping tube 4 guarantees that hard tube 5 will not be displaced when pushing sampling sliding block 6； The collection structure includes collecting pipe 7, collecting chamber 8, piston 9, rubber pad 10, connection handle 11 and collects sliding block 12, the collection Pipe 7 connect with collecting chamber 8 and communicates, and the piston 9 is placed in collecting chamber 8, and surface is equipped with rubber pad 10, and rubber pad 10 plays sealing and makees With negative pressure is stablized in formation in collecting chamber 8 when moving upwards so as to piston 9, and 9 other side of piston is connected with connection handle 11, the company It connects the connection of 11 end of handle and collects sliding block 12, push up and collect sliding block 12, piston 9 can be made to move upwards to form negative pressure, and lead to It crosses collecting pipe 7 to form negative pressure in sampling test tube 13, then amniotic fluid will be sucked by sampling structure at this time；The sampling test tube 13 is opened Rubber stopper 14 is equipped at mouthful, hard tube 5 and collecting pipe 7 both pass through rubber stopper 14, sampling test tube 13 directly removed after sampling and is sent Inspection facilitates amniotic fluid to store, and can also quickly replace sampling test tube 13, prevent from polluting.

In the present embodiment, anti-slip layer 1-1, sliding when preventing from holding device are equipped on the outside of the lever 1.

In the present embodiment, 3 front end of probe tube is equipped with sampling head 3-1, and sampling head 3-1 is fillet head and outwardly protrudes, Two sides protruding parts bends inwards, bending place there are sampling hole 3-2, pricker 2 during being pierced into uterus, early period sampling head 3- The body fluid such as 1 blood touched will be walked along the two sides sampling head 3-1 arc stream, push collection sliding block 12 that collection structure is played a role When, amniotic fluid will suck probe tube 3 by sampling hole 3-2 under the action of negative pressure, to reduce the pollution of other body fluid, the sampling of fillet head Head 3-1 is also possible to prevent to stab fetus because the piercing of probe tube 3 uterus is too deep.

In the present embodiment, 13 wall of sampling test tube is equipped with graduation mark 13-1, so as to more accurately hold amniotic fluid The amount of collection.

In the present embodiment, the hard tube 5 protrudes into 13 bottom end of sampling test tube, and collecting pipe 7 is only pierced by rubber stopper 14, prevents from sampling Amniotic fluid sample in test tube 13 is inhaled into collecting chamber 8 and pollutes.

In the present embodiment, fixing sucking disk 15 is had on the pricker, can be secured the device on pregnant woman's body, to subtract Less because hand-held device shake bring is uncomfortable.

In use, first holding lever 1, pricker 2 is slowly pushed into pregnant woman uterus, and fixed by fixing sucking disk 15, with Sampling sliding block 6 is slowly pushed up afterwards, stretches out probe tube 3, then pushes and collects sliding block 12, by the effect of negative pressure by amniotic fluid Inspiration sampling test tube 13；Stopping rear enough to be sampled, which pushes, collects sliding block 12, and slowly withdraws and sample sliding block 6, makes the receipts of collecting pipe 3 It is back in pricker 2, then removes fixing sucking disk 15 and slowly extracts pricker 2, finally take sampling test tube 13 away and seal inspection.

Claims (6)

1. a kind of obstetrics and gynecology department amniotic fluid sampler, including lever, sampling structure, collection structure and sampling test tube, feature exist In: the sampling structure includes pricker, probe tube, telescoping tube, hard tube and sampling sliding block, and the pricker and probe tube are hollow Structure, the pricker are located on the outside of lever, and probe tube is placed in inside pricker and lever and is sequentially connected phase with telescoping tube, hard tube Logical, the sampling sliding block is fixed on sampling pipe end；The collection structure includes collecting pipe, collecting chamber, piston, rubber pad, company It connects handle and collects sliding block, the collecting pipe is connect with collecting chamber to be communicated, and the piston is placed in collecting chamber, and surface is equipped with rubber Pad, the piston other side are connected with connection handle, and sliding block is collected in the connection handle end connection；The sampling test tube opening is equipped with rubber Rubber plug, hard tube and collecting pipe both pass through rubber stopper.

2. a kind of obstetrics and gynecology department amniotic fluid sampler according to claim 1, it is characterised in that: be equipped on the outside of the lever Anti-slip layer.

3. a kind of obstetrics and gynecology department amniotic fluid sampler according to claim 1, it is characterised in that: the probe tube front end is set There is sampling head, sampling head is fillet head and outwardly protrudes that two sides protruding parts bends inwards, and there are sampling holes for bending place.

4. a kind of obstetrics and gynecology department amniotic fluid sampler according to claim 1, it is characterised in that: on the sampling test tube wall Equipped with graduation mark.

5. a kind of obstetrics and gynecology department amniotic fluid sampler according to claim 1, it is characterised in that: the hard tube protrudes into sampling Test tube bottom end, collecting pipe are only pierced by rubber stopper.

6. a kind of obstetrics and gynecology department amniotic fluid sampler according to claim 1, it is characterised in that: with solid on the pricker Determine sucker.