CN209624146U - A kind of medical inspection sampler - Google Patents

Abstract

The utility model belongs to the field of medical instrument technology, in particular a kind of medical inspection sampler, including cylinder, annular compartment is offered on the cylinder, the bottom of the cylinder is fixedly installed with conduit, the conduit is connected with annular compartment, and injection needle is slidably fitted on conduit, disk is slidably fitted in the annular compartment, circular hole is offered in the top inner wall of the annular compartment, connecting rod is slidably fitted in the circular hole, the bottom end of the connecting rod extend in annular compartment and be fixedly connected at the top of disk, the top of the connecting rod extends to outside circular hole and is fixedly installed with platen, spring is fixedly installed at the top of the cylinder, the top of the spring is fixedly connected with the bottom of platen, and spring slide is set on connecting rod.The utility model is easy to operate, easy to use, can not only extract quantitative liquid to be detected, and bring conveniently to medical staff.

Description

A kind of medical inspection sampler

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of medical inspection samplers.

Background technique

Currently, oneself is widely applied automatic analyzer and carries out biochemical investigation in medical test, wherein microsampling is just very Key, it be related to inspection result it is accurate whether, some samples needs carried out under conditions of being protected from light move sample sampling, slightly not The careful sample that will cause goes bad, and then influences the accuracy of inspection result, carries out needing microsampling when micro assay analysis Sampling is matched, and when extracting liquid to be detected, medical staff is typically all to use syringe.

But traditional syringe does not have metric function generally, so causing when taking quantitatively liquid to be detected It is very inconvenient, and since traditional syringe is all by manual extraction, very arduously, for this purpose, proposing a kind of doctor Learn check sampling device.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of medical test proposed takes Sample device.

To achieve the goals above, the utility model adopts the technical scheme that a kind of medical inspection sampler, including Cylinder offers annular compartment on the cylinder, and the bottom of the cylinder is fixedly installed with conduit, the conduit and annular compartment It is connected, and is slidably fitted with injection needle on conduit, disk is slidably fitted in the annular compartment, the annular compartment Circular hole is offered in top inner wall, connecting rod is slidably fitted in the circular hole, and the bottom end of the connecting rod extends in annular compartment And be fixedly connected at the top of disk, it is outer and be fixedly installed with platen that the top of the connecting rod extends to circular hole, the cylinder Top is fixedly installed with spring, and the top of the spring is fixedly connected with the bottom of platen, and spring slide is set on connecting rod, Screw rod and slide bar are fixedly installed at the top of the cylinder, the screw rod and slide bar are located at the two sides of connecting rod, set on the slide bar There are measure scales, is opened up on the platen there are two through-hole, the screw rod and slide bar are slided with the inner wall of corresponding through-hole respectively Connection, and the top of screw rod and slide bar extends respectively to be threaded with nut, the spiral shell on the screw rod outside corresponding through-hole Mother is located at the top of platen.

Preferably, the first sealing ring, the inner wall sliding of the connecting rod and the first sealing ring are fixedly installed in the circular hole Connection.

Preferably, ring limit block, the fixed company of the inner wall of the connecting rod and ring limit block are equipped in the annular compartment It connects.

Preferably, the top of the screw rod and slide bar is fixedly installed with limit plate.

Preferably, the second sealing ring, the outer wall and annular compartment of second sealing ring are fixedly installed on the disk Inner wall be slidably connected.

Preferably, the two sides of the cylinder are fixedly installed with curved rod.

Compared with prior art, the utility model has the beneficial effects that firstly, the device passes through cylinder, annular compartment, leads The cooperation of the devices such as pipe, injection needle, disk, circular hole, connecting rod, platen, spring, slide bar, screw rod, through-hole, nut, curved rod, The stiffness factor of spring is 5N/m, and the bottom end of the cross bar is that zero graduation line first rotates when extracting quantitative liquid to be detected Nut, nut rotate on screw rod and close to circular holes, so that nut pushes platen close to circular hole again, platen is moved to the direction of circular hole When dynamic and in the last sliding of slide bar, when driving platen to reach assigned scale on slide bar, stop operating nut, at this time again Platen is pressed toward the direction of circular hole, then platen will by the air of the cooperation discharge annular compartment quantification of connecting rod and disk Injection needle is put into liquid to be detected, unclamps again platen at this time, and under the action of the spring, platen drives connecting rod rapidly close to circle Hole, thus the liquid to be detected of prescribed dose can be sucked in annular compartment, it is again that annular chamber is indoor to be detected later Liquid is released by disk.

The utility model is easy to operate, easy to use, can not only extract quantitative liquid to be detected, and give medical care people Member brings conveniently.

Detailed description of the invention

Fig. 1 faces schematic cross-sectional view for the utility model；

Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.

In figure: 1, cylinder；2, annular compartment；3, conduit；4, injection needle；5, disk；6, circular hole；7, connecting rod；8, platen； 9, spring；10, slide bar；11, screw rod；12, through-hole；13, nut；14, curved rod.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-2 is please referred to, the utility model provides a kind of technical solution: a kind of medical inspection sampler, including cylinder 1, Annular compartment 2 is offered on cylinder 1, the bottom of cylinder 1 is fixedly installed with conduit 3, and conduit 3 is connected with annular compartment 2, and leads It is slidably fitted with injection needle 4 on pipe 3, disk 5 is slidably fitted in annular compartment 2, is opened up in the top inner wall of annular compartment 2 There is circular hole 6, connecting rod 7 is slidably fitted in circular hole 6, the bottom end of connecting rod 7, which extends in annular compartment 2, simultaneously to be consolidated with the top of disk 5 Fixed connection, the top of connecting rod 7 extend to outside circular hole 6 and are fixedly installed with platen 8, and the top of cylinder 1 is fixedly installed with spring 9, The top of spring 9 is fixedly connected with the bottom of platen 8, and spring 9 is slidably located on connecting rod 7, and the top of cylinder 1 is fixedly mounted There are screw rod 11 and slide bar 10, screw rod 11 and slide bar 10 are located at the two sides of connecting rod 7, and slide bar 10 is equipped with measure scales, opens on platen 8 If there are two through-holes 12, the inner wall of screw rod 11 and slide bar 10 respectively with corresponding through-hole 12 is slidably connected, and screw rod 11 and slide bar 10 top extends respectively to outside corresponding through-hole 12, and nut 13 is threaded on screw rod 11, and nut 13 is located at platen 8 On；

It is fixedly installed with the first sealing ring in circular hole 6, the inner wall of connecting rod 7 and the first sealing ring is slidably connected, annular compartment 2 Interior to be equipped with ring limit block, connecting rod 7 is fixedly connected with the inner wall of ring limit block, the fixed peace in the top of screw rod 11 and slide bar 10 Equipped with limit plate, the second sealing ring, the inner wall sliding of the outer wall and annular compartment 2 of the second sealing ring are fixedly installed on disk 5 Connection, the two sides of cylinder 1 are fixedly installed with curved rod 14, pass through cylinder 1, annular compartment 2, conduit 3, injection needle 4, disk 5, the cooperation of the devices such as circular hole 6, connecting rod 7, platen 8, spring 9, slide bar 10, screw rod 11, through-hole 12, nut 13, curved rod 14, bullet The stiffness factor of spring 9 is 5N/m, and the bottom end of cross bar 10 is that zero graduation line first rotates spiral shell when extracting quantitative liquid to be detected Mother 13, nut 13 rotate on screw rod 11 and close circular hole 6, so that nut 13 pushes platen 8 close to circular hole 6 again, platen 8 is to circle Stop when driving platen 8 to reach assigned scale on slide bar 10 when the direction in hole 6 is mobile and in the last sliding of slide bar 10 Only rotating nut 13, press platen 8 toward the direction of circular hole 6 again at this time, and annular is discharged by the cooperation of connecting rod 7 and disk 5 in platen 8 The air of 2 quantification of chamber, then puts injection needle 4 in liquid to be detected into, unclamps again platen 8 at this time, in the effect of spring 9 Under, platen 8 drives connecting rod 7 rapidly close to circular hole 6, to can suck the liquid to be detected of prescribed dose in annular compartment 2 , the liquid to be detected in annular compartment 2 is released by disk 5 again later, the utility model is easy to operate, user Just, quantitative liquid to be detected can not only be extracted, and is brought conveniently to medical staff.

Working principle: the stiffness factor of spring 9 is 5N/m, and the bottom end of cross bar 10 is zero graduation line, quantitative to be checked extracting When surveying liquid, first rotating nut 13, nut 13 rotates on screw rod 11 and close to circular hole 6, so that nut 13 pushes platen 8 again Close to circular hole 6, when platen 8 is mobile to the direction of circular hole 6 and in the last sliding of slide bar 10, platen 8 is driven to reach slide bar 10 When upper assigned scale, stop operating nut 13, presses platen 8 toward the direction of circular hole 6 again at this time, and platen 8 passes through 7 He of connecting rod The air of cooperation discharge 2 quantification of annular compartment of disk 5, then injection needle 4 is put into liquid to be detected, unclamp again at this time Platen 8, under the action of spring 9, platen 8 drives connecting rod 7 rapidly close to circular hole 6, thus can be by the to be checked of prescribed dose It surveys in liquid sucking annular compartment 2, later again releases the liquid to be detected in annular compartment 2 by disk 5.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of medical inspection sampler, including cylinder (1), it is characterised in that: offer annular compartment on the cylinder (1) (2), the bottom of the cylinder (1) is fixedly installed with conduit (3), and the conduit (3) is connected with annular compartment (2), and conduit (3) it is slidably fitted with injection needle (4), is slidably fitted with disk (5) in the annular compartment (2), the annular compartment (2) on Top inner wall on offer circular hole (6), is slidably fitted with connecting rod (7) in the circular hole (6), the bottom end of the connecting rod (7) is prolonged Extend in annular compartment (2) and be fixedly connected at the top of disk (5), the top of the connecting rod (7) extends to circular hole (6) outside simultaneously It is fixedly installed with platen (8), is fixedly installed with spring (9) at the top of the cylinder (1), the top of the spring (9) and platen (8) bottom is fixedly connected, and spring (9) is slidably located on connecting rod (7), is fixedly installed with spiral shell at the top of the cylinder (1) Bar (11) and slide bar (10), the screw rod (11) and slide bar (10) are located at the two sides of connecting rod (7), and the slide bar (10) is equipped with degree Measure scale, open up on the platen (8) there are two through-hole (12), the screw rod (11) and slide bar (10) respectively with corresponding through-hole (12) inner wall is slidably connected, and the top of screw rod (11) and slide bar (10) extends respectively to corresponding through-hole (12) outside, described It is threaded on screw rod (11) nut (13), the nut (13) is located at the top of platen (8).

2. a kind of medical inspection sampler according to claim 1, it is characterised in that: be fixedly mounted in the circular hole (6) There is the first sealing ring, the inner wall of the connecting rod (7) and the first sealing ring is slidably connected.

3. a kind of medical inspection sampler according to claim 1, it is characterised in that: be equipped in the annular compartment (2) Ring limit block, the connecting rod (7) are fixedly connected with the inner wall of ring limit block.

4. a kind of medical inspection sampler according to claim 1, it is characterised in that: the screw rod (11) and slide bar (10) Top be fixedly installed with limit plate.

5. a kind of medical inspection sampler according to claim 1, it is characterised in that: be fixedly mounted on the disk (5) There is the second sealing ring, the outer wall of second sealing ring and the inner wall of annular compartment (2) are slidably connected.

6. a kind of medical inspection sampler according to claim 1, it is characterised in that: the two sides of the cylinder (1) are solid Dingan County is equipped with curved rod (14).