CN203169664U

CN203169664U - Medical semi-automatic drainage metering device

Info

Publication number: CN203169664U
Application number: CN 201320194063
Authority: CN
Inventors: 周洪保
Original assignee: Changshu Kangbao Medical Appliance Factory
Current assignee: Changshu Kangbao Medical Appliance Factory
Priority date: 2013-04-17
Filing date: 2013-04-17
Publication date: 2013-09-04
Anticipated expiration: 2023-04-17

Abstract

A medical semi-automatic drainage metering device belongs to the technical field of medical instruments. The device comprises a box body, a liquid storage bag, a box body liquid discharging valve and a drainage mechanism. A box cover is fixed on the upper portion of the box body, an air discharging hole is formed in the box cover, an air film is arranged in the air discharging hole, accurate metering scale markers of the box body are arranged on one side of the box body, and a box body overflow port is formed at the middle position of the upper portion of one side of the box body. An overflow port matching nozzle is fixed on one side of the liquid storage bag, scale markers of the liquid storage bag are arranged on the surface of one side of the liquid storage bag, and a liquid discharging valve connection pipe is arranged at the bottom of the liquid storage bag. The box body liquid discharging valve comprises a valve seat, a valve sleeve, a spiral sleeve and a valve core. The drainage mechanism comprises a liquid guide funnel, a liquid guide pipe and a transition connector. The metering device has the advantages of being capable of shortening the size of the box body remarkably and increasing the total volume, enabling process metering and result metering to be conducted together, improving strength remarkably, being free of damage in package, transportation and storage processes, expanding functions, enabling medical workers to conduct sampling at any time, reducing liquid discharging times and reducing accompanying intensity.

Description

The medical semi-automatic drain metering device

Technical field

This utility model belongs to the medical devices technical field, is specifically related to a kind of medical semi-automatic drain metering device, is used for the urine metering to the urethral catheterization patient in medical treatment is clinical, understands patient's pathological condition in order to the medical worker.

Background technology

Previously, at the clinical drainage bag that generally adopts of medical treatment, its structure by plastic tube (claim again ground drainage tube) with form with the plastics urine storage bag of big capacity measurement sign, this drainage bag can only smart slightly be estimated patient's urine amount owing to can not measure exactly, it is big to cause error, the clinical monitoring quality is brought influence, therefore gradually eliminated.

So, the urine metering storing apparatus that is similar to by disclosed version in the following document has just been arranged.For example: " medical semi-automatic urine metering storing apparatus " that Chinese patent ZL02123886.3 introduces, ZL91225245.6 disclosed " disposable measurable plastics urinal ", " the electronics body fluid gauge " that ZL93224818.7 relates to, " the disposable accurate measurement two-chamber Urethral catheter " that ZL94242826.9 discloses, " a kind of metering urine bottle " that ZL97211613.3 provides, " Urinary measuring bottle " that ZL99209573.5 recommends, " the patient's urine discharging monitoring metering device " that ZL00221285.4 discloses and ZL01225226.3 and ZL01268645.X be all " a kind of urinal of accurate measurement and the urine meter " of public affairs respectively, etc.

The common shortcoming that the patent scheme that is not limited to exemplify above exists is by invention Granted publication CN1282451C(medical semi-automatic urine metering storing apparatus) remedy, specifically can walk to page 3 the 5th row reciprocal referring to the description page 1 the 6th of this patent.And the defective that this CN1282451C exists is by Granted publication CN200994924Y(medical semi-automatic drain liquid metering and storing apparatus) technical scheme eliminated, specifically can be referring to 6 page of the 4th row of description page 4 final stage to the of this CN200994924Y.In addition, CN202207340U(medical semi-automatic drain metering device) other shortcoming that also exists at aforementioned CN1282451Y has proposed improvement.

Above-mentioned CN1282451C, CN200994924Y and CN202207340U and comprise that a top NM CN2778276Y(urine stores metering device) all have a following technical problem: one, owing to all adopted a unique hard box body, therefore the urine storage capacity is limited, yet, if in order to increase the box body volume, so easily cause the increase of manufacturing and use cost, and raw material is wasteful, the medical expense that finally causes the patient to bear increases; They are two years old, because metering method shows as result's metering, thereby be difficult to the delicate metering effect that embodiment process and result help mutually, they are three years old, because the structure of box body bleeder valve is lost rationally, therefore in finished product packing, transportation and storage, damage easily, in case and bleeder valve cause damage and can cause whole device to be scrapped; Its four owing to do not have stochastical sampling function to drain liquid, thereby the puzzlement when causing the medical worker to sample.

Shortcoming in view of above-mentioned prior art exists is necessary to be improved, and for this reason, the applicant has done positive and useful design, has formed technical scheme described below finally.

Summary of the invention

Task of the present utility model is to provide a kind of volume that helps significantly to dwindle the box body of hard, and can also increase population size significantly and use and save raw materials consumption and reduce cost and alleviate the patient medical cost burden, be conducive to the process metering combined with result's metering and use and satisfy the delicate metering requirement, be of value to remarkable and improve the structure of box body bleeder valve and use and avoid causing damage in the link such as packed and transported, have and be convenient to medical worker's randomization and use the medical semi-automatic drain metering device of expanding function of use.

Task of the present utility model is finished like this, a kind of medical semi-automatic drain metering device, comprise a box body and a liquid storing bag, top seal at this box body fixedly has a lid that is used for the box body chamber sealing of box body, offer a bleeder port at this lid, and in this bleeder port, be provided with the air film of a gas-permeable, liquid-impermeable, on outward the box wall of a side under the box body user mode and the short transverse of following box body be provided with box body delicate metering scale mark for the liquid measure that discloses the box body intracavity, box body on the box wall of a side of liquid storing bag and superposed middle position constitute a box body overfall, this box body overfall communicates with the box body chamber, there is an overfall that communicates with the liquid storing bag chamber of liquid storing bag to connect mouth at liquid storing bag towards a side of described box body and in the fixed-site corresponding to described box body overfall, this overfall connects mouth and the box body overfall connects, and be provided with the liquid storing bag scale mark at liquid storing bag towards the surface of a side of box body, this liquid storing bag scale mark is provided with a bleeder valve that communicates with the liquid storing bag chamber in the bottom of liquid storing bag and takes over along the short transverse setting of liquid storing bag; One box body bleeder valve, this box body bleeder valve comprises valve seat, valve sleeve, screw-casing and spool, the valve seat extension is formed on the diapire of box body, the upper end of valve sleeve probes in the valve support chamber of valve seat, and communicate with the box body chamber, the lower end of valve sleeve is stretched over outside the valve seat, and the outer wall in the lower end of this valve sleeve constitutes screw-casing and cooperates external screw thread, on the inwall of the spiral mantle cavity of screw-casing and be positioned at top and constitute screw-casing and cooperate female thread, this screw-casing cooperates female thread and screw-casing to cooperate external screw thread to match, spool is fixed on the bottom of spiral mantle cavity, and corresponding with the valve sleeve liquid outlet of the lower end of valve sleeve; One drain mechanism, this drain mechanism comprises drain funnel, catheter and transition union joint, the drain funnel is fixed on the described lid, and communicate with described box body chamber, one end and the drain funnel of catheter connect, the other end of transit joint and catheter connects, and this transit joint is provided with sampler; One liquid storing bag bleeder valve, this liquid storing bag bleeder valve are taken over described bleeder valve and are connected.

In a specific embodiment of the present utility model, be provided with a liquid dripping plate at the liquid storing bag intracavity of described liquid storing bag and in the position that connects mouth corresponding to described liquid storing bag, the edge of the upper end of this liquid dripping plate and the upper edge of liquid storing bag are fixed, and the lower end constitutes unfixed free end.

In another specific embodiment of the present utility model, the shape of cross section of described liquid dripping plate is the S shape of English alphabet.

In another specific embodiment of the present utility model, constitute one on the top of described liquid storing bag and hang the bag chamber, be equipped with a hooking device in this extension bag chamber.

In another specific embodiment of the present utility model, outer wall at the matched end of described transit joint and described catheter is extended with a sampler seat, the sampler seat chamber of this sampler seat communicates with the transit joint chamber of transit joint, described sampler is arranged on sampler seat intracavity, constitutes one group of casing coupling formula flange at the outer wall of the other end of transit joint.

Also have in the specific embodiment of the present utility model, described sampler comprises a sampling pad and a restriction pad, sampling pad and restriction pad are arranged on described sampler seat intracavity with stacked state each other, and restriction pad is positioned at the outside of sampling pad, offers a sample tap at the middle position of this restriction pad.

More of the present utility model and in specific embodiment, the lower end of described drain funnel probes into described box body intracavity, and the upper end leans out described lid, in the drain funnel chamber of this drain funnel and the middle part that is positioned at the short transverse of drain funnel chamber constitute a check valve sheet ring for fixing that protrudes from the chamber wall of drain funnel chamber, this check valve sheet ring for fixing towards under a side be provided with a check valve sheet, this check valve sheet is corresponding with the center through hole of check valve sheet ring for fixing, the described upper end sealing of leaking head at drain is equipped with a drain filler cap, between the upper end end face of this drain filler cap and drain funnel, be provided with a ventilated membrane, and the middle position at this drain filler cap constitutes filler cap adapter, and on the drain filler cap and around what filler cap was taken over, offering one group for supplying described ventilated membrane and the extraneous ventilation fenestra that communicates with the interval state all around, a described end of described catheter and filler cap are taken over and are connected.

In of the present utility model and then specific embodiment, described liquid storing bag bleeder valve comprises a bleeder valve valve body, one bleeder valve spool and a bleeder valve limit seat, on the outer wall of bleeder valve valve body and a side that is positioned at outer wall be extended with one and take over union joint, and opposite side is extended with a tap hole, taking over the adapter of union joint and described bleeder valve connects, wherein: take over union joint and tap hole and all communicate with the bleeder valve valve body chamber of bleeder valve valve body, the bleeder valve spool is arranged on the bleeder valve valve body intracavity of bleeder valve valve body, offering a side from the bleeder valve spool at this bleeder valve spool connects to a valve opening of opposite side, in the time of between this valve opening is corresponding to described adapter union joint and tap hole, the liquid of described liquid storing bag intracavity effluxes, and when valve opening staggers with the position of taking over union joint and tap hole, the liquid of liquid storing bag intracavity is the carrier frequency channel break of discharging outwards, bleeder valve limits seat and is fixed on the described liquid storing bag, when the liquid storing bag bleeder valve was in non-initiate mode, described tapping interface was inserted in the restriction seat intracavity that bleeder valve limits seat.

Of the present utility model again more and in specific embodiment, described device for hanging bag comprises a hanger plate and a pair of hook, the bottom of hanger plate constitutes a connection strap, this connection strap is positioned at described extension bag intracavity, the top of hanger plate is stretched over and hangs outside the bag chamber, a pair of hook is formed in the corresponding both sides on the described top of hanger plate respectively, on the described top of hanger plate and constitute a catheter limit seat between described a pair of hook.

In again of the present utility model and then specific embodiment, be equipped with lanyard on the described top of described hanger plate.

One of technique effect of the technical scheme that this utility model provides, owing to box body and the combined structure that forms protection composite bag of liquid storing bag, thereby both can significantly dwindle the volume of box body, again can with the cooperation of liquid storing bag under increase population size, save the raw material of making box body and reduce cost and alleviate patient's bearing the medical device expense; Two owing to can carry out delicate metering to patient's discharge opeing process by box body, thereby process metering and result's metering are not carried out with being mutually exclusive; Three because the upper end of the valve seat of box body bleeder valve and valve sleeve forms double braid covering tubular type structure and have additional valve seat, so can significantly improve intensity, can be not impaired in packing, transportation and storage; Four owing to be provided with sampler at the transit joint of drain mechanism, thereby expanded function, make things convenient for the medical worker to take a sample at any time; Five because capacity increases, so the tapping frequency reduced, thereby alleviates entourage's the intensity of accompanying and attending to.

Description of drawings

Fig. 1 is example structure figure of the present utility model.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to this utility model scheme to the description of embodiment, any according to this utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

See also Fig. 1, provided one that preferably uses the transparent plastic making and be the box body 1 of hard, top seal at this box body 1 fixedly has a lid 12 that is used for box body chamber 11 sealings of box body 1, offer a bleeder port 121 that communicates with box body chamber 11 at this lid 12, and in this bleeder port 121, be provided with the air film 1211 of a gas-permeable, liquid-impermeable.Preferably the mode with printing is printed with box body delicate metering scale mark 13 on outward the box wall of a side under box body 1 user mode, this box body delicate metering scale mark 13 carries out delicate metering by it to the liquid in the box body chamber 11 such as urethral catheterization patient's urine along the short transverse setting of the box wall of box body 1.Why the applicant claims delicate metering, be because box body 1 can measure patient's urine in a certain amount of time according to the needs of clinical care, and can emit by the box body bleeder valve 3 on the following diapire that is arranged on box body chamber 11 that also will describe in detail behind the 11 full liquid of box body chamber, this metering process is aforesaid process metering.If do not need the metering separately in a certain amount of time to the patient, drain in the box body chamber 11 can be introduced in the liquid storing bag chamber 21 of liquid storing bags 2 by the box body overfall 14 of box body 1 on the box wall of a side of liquid storing bag 2 when expiring liquid so, thereby realizes result's metering.

Shown in figure, aforesaid box body overfall 14 is positioned at box body 1 towards the top of the middle position of the box wall of a side of liquid storing bag 2.Have an overfall that communicates with the liquid storing bag chamber 21 of liquid storing bag 2 to connect mouth 22 at liquid storing bag 2 towards a side of box body 1 and in the fixed-site corresponding to box body overfall 14, this overfall connects mouth 22 and box body overfall 14 matched (connecting by the heat fusing welding manner).Behind the full liquid in box body chamber 11, liquid connects mouth 22 through box body overfall 14 and overfall and enters in the liquid storing bag chamber 21.Be printed with liquid storing bag scale mark 23 at liquid storing bag 2 towards the surperficial same preferred mode of printing that adopts of a side of box body 1, liquid storing bag scale mark 23 is following the short transverse printing of liquid storing bag 2, by the liquid measure in its announcement liquid storing bag chamber 21.Fixedly there is a bleeder valve that communicates with liquid storing bag chamber 21 to take over 24 in the bottom of liquid storing bag 2.

Constitute one on the top of aforesaid liquid storing bag 2 and hang bag chamber 25, be equipped with a hooking device 6 in this extension bag chamber 25.Again, in the liquid storing bag chamber 21 of liquid storing bag 2 and in the position that connects mouth 22 corresponding to aforesaid liquid storing bag, be provided with a liquid dripping plate 211, the edge of the upper end of this liquid dripping plate 211 is with the upper edge solid welding of heat fusing welding manner and liquid storing bag 2, and the lower end of liquid dripping plate 211 constitutes unfixed free end.Preferably, the shape of cross section of liquid dripping plate 211 is designed to S shape, this shape helps to promote drops down the liquid effect, specifically, makes to connect mouth 22 by overfall and be incorporated into liquid runs down liquid dripping plates 211 tricklings in the liquid storing bag chamber 21.

The box body bleeder valve of having mentioned above 3 comprises valve seat 31, valve sleeve 32, screw-casing 33 and spool 34, material is that the valve seat 31 preferred mode of thermofussion welding and the diapires in aforementioned box body chamber 11 of adopting of plastics are fixed, insert in the valve support chamber of valve seat 32 upper end of valve sleeve 32, and communicate with box body chamber 11, the lower end of valve sleeve 32 is stretched over outside the valve support chamber of valve seat 31, and the outer wall in the lower end of valve sleeve 32 constitutes screw-casing and cooperates external screw thread 321, on the inwall of the spiral mantle cavity 331 of screw-casing 33 and be positioned at top and constitute screw-casing and cooperate female thread 3311, this screw-casing cooperates female thread 3311 to match with screw-casing cooperation external screw thread 321.Spool 34 is fixed on the valve core case 341, and valve core case 341 is fixed (constituting one each other) with the chamber wall of the bottom of spiral mantle cavity 331, and spool 34 is corresponding with the valve sleeve liquid outlet 322 of the lower end that is formed in valve sleeve 32.

When clockwise direction turn screw-casing 33, screw-casing 33 is up, make spool 34 be insinuated into valve sleeve liquid outlet 322, thereby stop the liquid in the box body chamber 11 to cause the screw-casing liquid outlet 332 of screw-casing 33 from the valve sleeve liquid outlet 322 of valve sleeve 32, otherwise with example.

Please continue to see Fig. 1, provided a drain mechanism 4, this drain mechanism 4 comprises drain funnel 41, catheter 42 and transit joint 43, drain funnel 41 is fixed on the aforesaid lid 12, and communicate with box body chamber 11, one end and the drain funnel 41 of catheter 42 connect, and transit joint 43 connects with the other end of catheter 42, and this transit joint 43 is provided with a sampler 421.

The lower end of aforesaid drain funnel 41 probes in the described box body chamber 11, and the upper end leans out described lid 12, in the drain funnel chamber 411 of this drain funnel 41 and the middle part that is positioned at the short transverse of drain funnel chamber 411 substantially constitute a check valve sheet ring for fixing 4111 that protrudes from the chamber wall of drain funnel chamber 411, this check valve sheet ring for fixing 4111 towards under a side be provided with a check valve sheet 412 in the cementation mode, this check valve sheet 412 is corresponding with the center through hole 41111 of check valve sheet ring for fixing 4111, leak a described upper end sealing of 41 at drain and be equipped with a drain filler cap 413, between the upper end end face of this drain filler cap 413 and drain funnel 41, be provided with a ventilated membrane 414, and the middle position at this drain filler cap 413 constitutes filler cap adapter 4131, and on drain filler cap 413 and around filler cap adapter 4131, offering one group for supplying described ventilated membrane 414 and the extraneous ventilation fenestra 4132 that communicates with the interval state, a described end of aforesaid catheter 42 and filler cap adapter 4131 connect.According to common practise, aforesaid check valve sheet 412 is fixing by the part of its edge and aforesaid check valve sheet ring for fixing 4111, and from illustrated state as can be known, the liquid that comes from catheter 42 can enter drain funnel chamber 411, and be in flat crouch or during other similar state when box body 1, then the liquid that can not in the box body chamber 11 outwards flows backwards from drain funnel chamber 411, because under this situation, check valve sheet 412 is in the closed state to drain funnel chamber 411.In addition, the air in the drain funnel chamber 411 can be driven to the external world by aforesaid ventilated membrane 414.

Outer wall at the matched end of aforesaid transit joint 43 and described catheter 42 is extended with a sampler seat 432, the sampler seat chamber 4321 of this sampler seat 432 communicates with the transit joint chamber of transit joint 43, described sampler 431 is arranged in the sampler seat chamber 4321, outer wall at the other end of transit joint 43 constitutes one group of casing coupling formula flange 433, in user mode, this transit joint 43 by one group of casing coupling formula flange 433 be implanted in patient's body in as intravesical pipeline be connected, and at the not enabled state, then can be on casing coupling formula flange 433 a sheathed sheath 4331.

Above mentioned sampler 431 comprises a sampling pad 4311 and one restriction pad 4312, sampling pad 4311 and restriction pad 4312 are arranged in the aforesaid sampler seat chamber 4321 with closed state each other, and restriction pad 4312 is positioned at the outside of sampling pad 4311, offers a sample tap 43121 at the middle position that limits pad 4312.

The function of aforesaid sampler and principle can not have the needle sampler joint referring to Chinese invention patent application publication number CN102908170A().In the time will taking a sample, so, the medical worker needs only and syringe is aimed at sample tap 43121 and pass sampling pad 4311, thereby can extract the liquid of the transit joint intracavity of the transit joint 43 of flowing through, for chemical examination.Sampling pad 4311 has the self-closing function.

Still see also Fig. 1, provided a liquid storing bag bleeder valve 5, this liquid storing bag bleeder valve 5 preferably but not the structure that definitely is limited to is as follows: comprise that a bleeder valve valve body 51, a bleeder valve spool 52 and a bleeder valve limit seat 53, on the outer wall of bleeder valve valve body 51 and a side that is positioned at outer wall be extended with one and take over union joint 511, and opposite side is extended with a tap hole 512, take over union joint 511 and connect with aforesaid bleeder valve adapter 24, and communicate with the tube chamber of bleeder valve adapter 24.Undoubtedly, taking over union joint 511 and tap hole 512 all communicates with the bleeder valve valve body chamber of bleeder valve valve body 51.Bleeder valve spool 52 is arranged on the bleeder valve valve body intracavity of bleeder valve valve body 51, offers a side from bleeder valve spool 52 at this bleeder valve spool 52 and connects a valve opening 521 to opposite side.Under manual operation, when bleeder valve spool 52 is pushed to bleeder valve valve body intracavity, and make valve opening 521 simultaneously corresponding to aforementioned adapter union joint 511 and tap hole 512, the liquid in the liquid storing bag chamber 21 is drawn by tap hole 512 by way of bleeder valve adapter 24, adapter union joint 511 and valve opening 521 backs successively so.Otherwise when bleeder valve spool 52 is pulled out outside the chamber of bleeder valve valve body 51, and when valve opening 521 was staggered with the position of taking over union joint 511 and tap hole 512, the fluid passages in the liquid storing bag chamber 21 were blocked (obstruct) so.Bleeder valve limits seat 53 and is fixed on the liquid storing bag 2 in the thermofussion welding mode, when aforementioned liquid storing bag bleeder valve 5 is in holding state and namely is in non-tapping state, so aforesaid tapping interface 512 is insinuated in the restriction seat chamber 531 that bleeder valve limits seat 53.Bleeder valve limits the setting of seat 53 and can protect bleeder valve valve body 51 and make overall structure have succinct sight effect.

Above mentioned device for hanging bag 6 comprises a hanger plate 61 and a pair of hook 62, the bottom of hanger plate 61 constitutes a connection strap 611, this connection strap 611 is positioned at aforesaid extension bag chamber 25, the top of hanger plate 61 is stretched over and hangs outside the bag chamber 25, one of them hook 62 in a pair of hook 62 is formed in a side on the top of hanger plate 61, and another hook 62 in a pair of hook 62 is formed in the opposite side on the top of hanger plate 61.That is to say that a pair of hook 62 is distributed in the both sides on the top of hanger plate 61 respectively with symmetry status.Shown in figure, on the top of hanger plate 61 and constitute a catheter limit seat 612 between a pair of hook 62, above mentioned catheter 42 passes this catheter and limits seat 612 backs and take over 4131 grafting with filler cap and cooperate.

Preferably, place a lanyard 613 by means of the rope hole 614 that is opened on the hanger plate 61, select as required with hook 62 and/or lanyard 613 for user.

In sum, the technical scheme that this utility model provides has remedied the shortcoming in the prior art all sidedly, has successfully finished the invention task, has cashed the technique effect described in the superincumbent technique effect of the applicant hurdle.

Claims

1. A kind of medical semi-automatic drain metering device, it is characterized in that comprising a box body (1) and a liquid storing bag (2), top seal at this box body (1) fixedly has a lid (12) that is used for box body chamber (11) sealing of box body (1), offer a bleeder port (121) at this lid (12), and in this bleeder port (121), be provided with the air film (1211) of a gas-permeable, liquid-impermeable, under box body (1) user mode on outward the box wall of a side and the short transverse of following box body (1) be provided with for the box body delicate metering scale mark (13) that discloses the liquid measure in the box body chamber (11), box body (1) on the box wall of a side of liquid storing bag (2) and superposed middle position constitute a box body overfall (14), this box body overfall (14) communicates with box body chamber (11), there is an overfall that communicates with the liquid storing bag chamber (21) of liquid storing bag (2) to connect mouth (22) at liquid storing bag (2) towards a side of described box body (1) and in the fixed-site corresponding to described box body overfall (14), this overfall connects mouth (22) and connects with box body overfall (14), and be provided with liquid storing bag scale mark (23) at liquid storing bag (2) towards the surface of a side of box body (1), this liquid storing bag scale mark (23) is provided with a bleeder valve that communicates with liquid storing bag chamber (21) in the bottom of liquid storing bag (2) and takes over (24) along the short transverse setting of liquid storing bag (2); One box body bleeder valve (3), this box body bleeder valve (3) comprises valve seat (31), valve sleeve (32), screw-casing (33) and spool (34), valve seat (31) extension is formed on the diapire of box body (1), the upper end of valve sleeve (32) probes in the valve support chamber of valve seat (32), and communicate with box body chamber (11), the lower end of valve sleeve (32) is stretched over outside the valve seat (31), and the outer wall in the lower end of this valve sleeve (32) constitutes screw-casing and cooperates external screw thread (321), on the inwall of the spiral mantle cavity (331) of screw-casing (33) and be positioned at top and constitute screw-casing and cooperate female thread (3311), this screw-casing cooperates female thread (3311) and screw-casing to cooperate external screw thread (321) to match, spool (34) is fixed on the bottom of spiral mantle cavity (331), and corresponding with the valve sleeve liquid outlet (322) of the lower end of valve sleeve (32); One drain mechanism (4), this drain mechanism (4) comprises drain funnel (41), catheter (42) and transition union joint (43), drain funnel (41) is fixed on the described lid (12), and communicate with described box body chamber (11), one end of catheter (42) and drain funnel (41) connect, transit joint (43) connects with the other end of catheter (42), and this transit joint (43) is provided with sampler (431); One liquid storing bag bleeder valve (5), this liquid storing bag bleeder valve (5) are taken over (24) with described bleeder valve and are connected.

2. Medical semi-automatic drain metering device according to claim 1, it is characterized in that in the liquid storing bag chamber (21) of described liquid storing bag (2) and in the position that connects mouth (22) corresponding to described liquid storing bag, being provided with a liquid dripping plate (211), the upper edge of the edge of the upper end of this liquid dripping plate (211) and liquid storing bag (2) is fixed, and the lower end constitutes unfixed free end.

3. Medical semi-automatic drain metering device according to claim 2 is characterized in that the shape of cross section of described liquid dripping plate (211) is the S shape of English alphabet.

4. Medical semi-automatic drain metering device according to claim 1 and 2 is characterized in that constituting one on the top of described liquid storing bag (2) hangs bag (25), is equipped with a hooking device (6) in this extension bag chamber (25).

5. Medical semi-automatic drain metering device according to claim 1, it is characterized in that being extended with a sampler seat (432) at the outer wall of the matched end of described transit joint (43) and described catheter (42), the sampler seat chamber (4321) of this sampler seat (432) communicates with the transit joint chamber of transit joint (43), described sampler (431) is arranged in the sampler seat chamber (4321), constitutes one group of casing coupling formula flange (433) at the outer wall of the other end of transit joint (43).

6. Medical semi-automatic drain metering device according to claim 5, it is characterized in that described sampler (431) comprises a sampling pad (4311) and a restriction pad (4312), sampling pad (4311) and restriction pad (4312) are arranged in the described sampler seat chamber (4321) with stacked state each other, and restriction pad (4312) is positioned at the outside of sampling pad (4311), offers a sample tap (43121) at the middle position of this restriction pad (4312).

7. Medical semi-automatic drain metering device according to claim 1, the lower end that it is characterized in that described drain funnel (41) probes in the described box body chamber (11), and the upper end leans out described lid (12), in the drain funnel chamber (41) of this drain funnel (41) and the middle part that is positioned at the short transverse of drain funnel chamber (411) constitute a check valve sheet ring for fixing (4111) that protrudes from the chamber wall of drain funnel chamber (411), this check valve sheet ring for fixing (4111) towards under a side be provided with a check valve sheet (412), this check valve sheet (412) is corresponding with the center through hole (41111) of check valve sheet ring for fixing (4111), the described upper end sealing of leaking head (41) at drain is equipped with a drain filler cap (413), between the upper end end face of this drain filler cap (413) and drain funnel (41), be provided with a ventilated membrane (414), and the middle position at this drain filler cap (413) constitutes filler cap adapter (4131), and drain filler cap (413) go up and take over around filler cap (4131) around offer one group with the interval state and be used for for described ventilated membrane (414) and the extraneous ventilation fenestra (4132) that communicates, a described end of described catheter (42) and filler cap adapter (4131) connect.

8. Medical semi-automatic drain metering device according to claim 1, it is characterized in that described liquid storing bag bleeder valve (5) comprises a bleeder valve valve body (51), one bleeder valve spool (52) and a bleeder valve limit seat (53), on the outer wall of bleeder valve valve body (51) and a side that is positioned at outer wall be extended with one and take over union joint (511), and opposite side is extended with a tap hole (512), taking over union joint (511) connects with described bleeder valve adapter (24), wherein: take over union joint (511) and tap hole (512) and all communicate with the bleeder valve valve body chamber of bleeder valve valve body (51), bleeder valve spool (52) is arranged on the bleeder valve valve body intracavity of bleeder valve valve body (51), offer a side from bleeder valve spool (52) at this bleeder valve spool (52) and connect a valve opening (521) to opposite side, in the time of between this valve opening (521) is corresponding to described adapter union joint (511) and tap hole (512), liquid in the described liquid storing bag chamber (21) effluxes, and when valve opening (521) staggers with the position of taking over union joint (511) and tap hole (512), liquid in the liquid storing bag chamber (21) is the carrier frequency channel break of discharging outwards, bleeder valve limits seat (53) and is fixed on the described liquid storing bag (2), when liquid storing bag bleeder valve (5) when being in non-initiate mode, described tapping interface (512) is inserted in the restriction seat chamber (531) that bleeder valve limits seat (53).

9. Medical semi-automatic drain metering device according to claim 4, it is characterized in that described device for hanging bag (6) comprises a hanger plate (61) and a pair of hook (62), the bottom of hanger plate (61) constitutes a connection strap (611), this connection strap (611) is positioned at described extension bag chamber (25), the top of hanger plate (61) is stretched over and hangs outside the bag chamber (25), a pair of hook (62) is formed in the corresponding both sides on the described top of hanger plate (61) respectively, on the described top of hanger plate (61) and be positioned at and constitute a catheter between the described a pair of hook (62) and limit seat (612).

10. Medical semi-automatic drain metering device according to claim 9 is characterized in that being equipped with lanyard (613) on the described top of described hanger plate (61)