CN215525203U

CN215525203U - Medical science inspection micro sampler

Info

Publication number: CN215525203U
Application number: CN202121370834.3U
Authority: CN
Inventors: 徐浩; 薛亚东
Original assignee: Jinhua central hospital
Current assignee: Jinhua central hospital
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a medical examination micro-sampler which comprises an air bag, wherein a mounting plate is fixed on the outer wall of one side of the air bag through screws, the outer wall of one side of the mounting plate is connected with a pipette through threads, the surface of the pipette is carved with scale marks, the outer wall of one side, close to the upper side of the pipette, of the mounting plate is connected with a drain pipe through threads, a valve is arranged on one side of the circumference of the drain pipe, an air cover is fixed on the outer wall of one side of the air bag through threads, a negative pressure liquid drawing mechanism is arranged in the air bag, a clamping hole is formed in the outer wall of one side of the top of the air bag, a push block is connected in a sliding mode in the clamping hole, the air bag is of a concave structure, finger grooves are formed in the outer walls of two sides of the concave structure of the air bag, and one end of the drain pipe is connected with the negative pressure liquid drawing mechanism through threads. The utility model has the advantages of simple structure, easy carrying, no cost, no energy consumption and wide application range, and simultaneously prevents trace liquid from leaking into the air bag laterally, thereby promoting the sealing effect of trace liquid absorption.

Description

Medical science inspection micro sampler

Technical Field

The utility model relates to the technical field of medical examination microsampling, in particular to a medical examination microsampling device.

Background

Medical examination is a subject of medical diagnosis by applying modern physical and chemical methods and means, and mainly studies how to provide basis for clinical diagnosis and treatment through laboratory technology and medical instruments and equipment. The micro-sampling is very critical and is related to the accuracy of the test result.

Through the retrieval, chinese patent application number is CN201810385855.9, discloses a medical science inspection micro sampler, and its structure includes body, button, presses the button, indicates to hold in the palm, holding rod, sets up the panel, be equipped with the button on the body, the button right side is equipped with presses the button, press the button and press button looks fixed connection, it indicates to hold in the palm to be equipped with on the press the button right side, indicate to hold in the palm and press the lever to agree with mutually to be connected, indicate to hold in the palm the right side and be equipped with the holding rod. One medical examination microsampler of the above patents suffers from the following disadvantages:

the whole device has accomplished the sample to medical science microelement, but whole device adopts electronic sample, and is not only with high costs power consumption, and overall structure needs use the electric energy moreover, then hardly is suitable for in the field, from this, needs a medical science inspection micro sampler urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a medical examination microsampler.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a medical science inspection micro sampler, which comprises an air bag, one side outer wall of gasbag has the mounting panel through the screw fixation, and one side outer wall of mounting panel has the pipette through threaded connection, the scale mark is carved with on the pipette surface, the mounting panel is close to pipette top one side outer wall and has the drain pipe through threaded connection, circumference one side of drain pipe is provided with the valve, gasbag one side outer wall has the gas cap through threaded connection, and be provided with the negative pressure in the gasbag and draw liquid mechanism, top one side outer wall of gasbag is opened there is the card hole, sliding connection has the ejector pad in the card hole, the structure of gasbag is concave type structure, and the concave type both sides outer wall of gasbag is opened respectively has the finger groove, the one end of drain pipe is connected through the screw with negative pressure mechanism.

As a still further scheme of the utility model: the negative pressure drawing mechanism comprises a guide rod, a sealing ring, a sealing box, a Z-shaped pipe, a guide pipe and a liquid storage ball, and the top end of the guide rod is bonded to the bottom of the push block.

As a still further scheme of the utility model: the sealing ring is bonded to the bottom of the guide rod, a connecting rod is bonded to one side of the guide rod, and the sealing box is bonded to the inner wall of one side of the air bag.

As a still further scheme of the utility model: the Z-shaped pipe is connected to one side of the sealing box through threads, the guide pipe is connected to one side of the top of the sealing box through threads, and the Z-shaped pipe is connected with one end of the liquid suction pipe through threads.

As a still further scheme of the utility model: the liquid storage ball is bonded at one end of the guide pipe, and the liquid outlet pipe is connected with one side of the liquid storage ball through threads.

As a still further scheme of the utility model: the rubber piston is bonded to one end of the connecting rod, the structure of one end of the connecting rod is a U-shaped structure, and a through hole is formed in the sealing box.

As a still further scheme of the utility model: the outer wall of one side of the sealing box is provided with a guide hole, and the outer wall of one side of the sealing box, which is close to the guide hole, is bonded with an arc-shaped baffle ring.

As a still further scheme of the utility model: the arc-shaped baffle ring is matched with the sealing ring.

Compared with the prior art, the utility model provides a medical examination micro-sampler, which has the following beneficial effects:

1. this medical science inspection micro sampler, during the use, hold between the fingers groove, extrude its inside air through the extrusion gasbag, and extrude and press the ejector pad, make the ejector pad card go into in the card hole, insert the pipette in getting the liquid bottle, loosen the gasbag simultaneously, make the gasbag resume, at this moment, its inside negative pressure is drawn liquid mechanism and will be got in the negative pressure of the interior trace liquid suction gasbag of liquid bottle and draw in the mechanism, and simultaneously, through observing the scale mark on pipette surface, measure the volume of drawing, therefore, the sample work of trace liquid has been accomplished, and to integrated device, not only simple structure, easily carry, and there is not the low energy consumption of cost, application scope is wide.

2. This medical science inspection micro sampler, when ejector pad extrusion guide arm down, inside the seal box was blocked to the guide arm bottom, and when trace liquid was led in through Z type pipe, trace liquid can be leading-in to the stock solution ball in through the pipe to effectively guaranteed the sampling efficiency of trace liquid, also avoided the trace liquid side leakage to the gasbag simultaneously, promoted the sealed effect that trace liquid was drawn.

3. This medical science inspection micro sampler, when the connecting rod horizontal displacement in the through-hole, the rubber piston can effectively change Z type pipe tip cross-section size, has guaranteed the precision that trace liquid was drawn.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has the advantages of simple structure and convenient operation.

Drawings

FIG. 1 is a schematic diagram of a medical examination micro-sampler according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a medical examination microsampler according to the present invention;

fig. 3 is a schematic cross-sectional view of a seal box in a medical examination micro-sampler according to the present invention.

In the figure: 1-pipette, 2-mounting plate, 3-air bag, 4-air cover, 5-finger groove, 6-push block, 7-liquid outlet pipe, 8-guide rod, 9-sealing ring, 10-sealing box, 11-Z type pipe, 12-guide pipe, 13-liquid storage ball, 14-through hole, 15-connecting rod, 16-rubber piston and 17-arc baffle ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

A medical examination micro-sampler is shown in figures 1-2 and comprises an air bag 3, wherein a mounting plate 2 is fixed on the outer wall of one side of the air bag 3 through screws, a pipette 1 is connected to the outer wall of one side of the mounting plate 2 through threads, scale marks are carved on the surface of the pipette 1, a drain pipe 7 is connected to the outer wall of one side, close to the upper side of the pipette 1, of the mounting plate 2 through threads, a valve is arranged on one side of the circumference of the drain pipe 7, an air cover 4 is fixed on the outer wall of one side of the air bag 3 through threads, a negative pressure liquid drawing mechanism is arranged in the air bag 3, a clamping hole is formed in the outer wall of one side of the top of the air bag 3, a pushing block 6 is connected in the clamping hole in a sliding mode, the air bag 3 is of a concave structure, finger grooves 5 are formed in the outer walls of two concave sides of the air bag 3 respectively, and one end of the drain pipe 7 is connected with the negative pressure liquid drawing mechanism through threads.

When the device is used, the two finger grooves 5 are pinched, the air in the device is extruded out by extruding the air bag 3, the pushing block 6 is squeezed, the pushing block 6 is clamped into the clamping hole, the pipette 1 is inserted into the liquid taking bottle, the air bag 3 is loosened simultaneously, the air bag 3 is recovered, at the moment, the micro liquid in the liquid taking bottle is sucked into the negative pressure sucking mechanism of the air bag 3 by the negative pressure sucking mechanism in the device, and meanwhile, the sucked amount is measured by observing the scale lines on the surface of the pipette 1, so that the sampling work of the micro liquid is completed.

In order to effectively complete the negative pressure suction work, as shown in fig. 2-3, the negative pressure suction mechanism includes a guide rod 8, a sealing ring 9, a sealing box 10, a Z-shaped pipe 11, a guide pipe 12 and a liquid storage ball 13, wherein the top end of the guide rod 8 is bonded to the bottom of the push block 6, the sealing ring 9 is bonded to the bottom of the guide rod 8, a connecting rod 15 is bonded to one side of the guide rod 8, the sealing box 10 is bonded to the inner wall of one side of the airbag 3, the Z-shaped pipe 11 is connected to one side of the sealing box 10 through a thread, the guide pipe 12 is connected to one side of the top of the sealing box 10 through a thread, the Z-shaped pipe 11 is connected to one end of the liquid suction pipe 1 through a thread, the liquid storage ball 13 is bonded to one end of the guide pipe 12, and the liquid discharge pipe 7 is connected to one side of the liquid storage ball 13 through a thread.

When 6 extrusion guide arms 8 of ejector pad were down, inside 8 bottoms of guide arm blocked seal box 10, and when trace liquid led in through Z type pipe 11, trace liquid can lead in to stock solution ball 13 through pipe 12 to effectively guaranteed the sampling efficiency of trace liquid, also avoided the trace liquid side leakage to gasbag 3 simultaneously, promoted the sealed effect that trace liquid was drawn.

The working principle is as follows: during the use, hold two finger grooves 5, extrude its inside air through extrusion gasbag 3, and extrude and press ejector pad 6, make ejector pad 6 block go into the card downthehole, insert pipette 1 in getting the liquid bottle, loosen gasbag 3 simultaneously, make gasbag 3 resume, at this moment, when ejector pad 6 extrusion guide arm 8 is down, inside seal box 10 was blocked to 8 bottoms of guide arm, and trace liquid when leading through Z type pipe 11, trace liquid can lead into in stock solution ball 13 through pipe 12, simultaneously, through observing the scale mark on pipette 1 surface, measure the volume of drawing, from this, accomplished the sample work of trace liquid, open the valve at last, make trace liquid lead out through drain pipe 7.

Example 2

In order to effectively control the drawing amount of trace liquid, as shown in fig. 3, one end of a connecting rod 15 is bonded with a rubber piston 16, one end of the connecting rod 16 is in a U-shaped structure, a through hole 14 is formed in a sealing box 10, the outer wall of one side of the sealing box 10 is provided with a guide hole, the outer wall of one side of the sealing box 10 close to the guide hole is bonded with an arc-shaped retaining ring 17, and the arc-shaped retaining ring 17 is matched with a sealing ring 9; when the connecting rod 16 horizontally displaces in the through hole 14, the rubber piston 16 can effectively change the size of the section of the end part of the Z-shaped pipe 11, and the precision of drawing trace liquid is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A medical examination micro-sampler comprises an air bag (3), and is characterized in that the outer wall of one side of the air bag (3) is fixed with a mounting plate (2) through screws, the outer wall of one side of the mounting plate (2) is connected with a liquid suction pipe (1) through threads, scale marks are carved on the surface of the liquid suction pipe (1), the outer wall of one side of the mounting plate (2) close to the upper part of the liquid suction pipe (1) is connected with a liquid outlet pipe (7) through threads, a valve is arranged on one side of the circumference of the liquid outlet pipe (7), an air cover (4) is fixed on the outer wall of one side of the air bag (3) through threads, a negative pressure liquid drawing mechanism is arranged in the air bag (3), a clamping hole is arranged on the outer wall of one side of the top of the air bag (3), a push block (6) is connected in the clamping hole in a sliding way, the structure of the air bag (3) is a concave structure, finger grooves (5) are respectively formed in the outer walls of the two concave sides of the air bag (3), and one end of the liquid outlet pipe (7) is connected with the negative pressure drawing mechanism through threads.

2. A medical examination microsampler according to claim 1, wherein the negative pressure drawing mechanism comprises a guide rod (8), a sealing ring (9), a sealing box (10), a Z-shaped tube (11), a guide tube (12) and a liquid storage ball (13), and the top end of the guide rod (8) is bonded to the bottom of the push block (6).

3. A medical examination microsampler according to claim 2, wherein the sealing ring (9) is bonded to the bottom of the guide rod (8), one side of the guide rod (8) is bonded with a connecting rod (15), and the sealing box (10) is bonded to one side of the inner wall of the air bag (3).

4. A medical examination microsampler according to claim 2, wherein the Z-shaped tube (11) is screw-connected to one side of the sealing box (10), the guide tube (12) is screw-connected to one side of the top of the sealing box (10), and the Z-shaped tube (11) is screw-connected to one end of the pipette (1).

5. A medical examination microsampler according to claim 2, wherein the reservoir ball (13) is glued to one end of the guide tube (12) and the outlet tube (7) is connected to one side of the reservoir ball (13) by a screw thread.

6. A medical examination microsampler according to claim 3, wherein one end of the connecting rod (15) is bonded with a rubber piston (16), and one end of the connecting rod (15) is of a U-shaped structure, and a through hole (14) is opened in the sealing box (10).

7. A medical examination microsampler according to claim 6, wherein the seal box (10) has a guide hole formed in an outer wall thereof on one side, and an arc-shaped retaining ring (17) is bonded to an outer wall of the seal box (10) on a side close to the guide hole.

8. A medical examination microsampler according to claim 7, characterised in that the arcuate collar (17) is adapted to the sealing ring (9).