CN203989157U - Disposable depression drainage device - Google Patents

Abstract

A disposable depression drainage device, belongs to medical devices technical field.Comprise negative pressure drainage vessel, comprise roof, diapire and sealing shroud; One group of spring, is distributed in the cavity volume of negative pressure drainage vessel; Drain base, is fixed on roof back to a side of cavity volume; Leakage fluid dram, is fixed on roof back to a side of cavity volume; One end of drainage tube connects with drain base, the other end is connected with one end of collecting pipe, the other end of collecting pipe connects stab knife, feature: form feed liquor valve seat on roof and in the position corresponding to drain base, in the position corresponding to feed liquor valve seat, set anti-reverse reflux liquid inlet check valve, sealing shroud is transparent sealing cover and establishes scale mark in its short transverse.By the hydrops of drawing in patient body and enter in cavity volume, there is reverse backflow in prevention; Medical worker can correctly grasp patient's drainage flow; One group of spring there will not be middle part bulging phenomenon, and coordinates reliably with top, diapire; Drainage effect is excellent and can shorten drainage time.

Description

Disposable depression drainage device

Technical field

This utility model belongs to medical devices technical field, is specifically related to a kind of disposable depression drainage device.

Background technology

Disposable depression drainage device is mainly used in the puncture postoperative drain and in order to facilitate doctor's operation to thoracic cavity, abdominal cavity patient, and the form of " set meal " of conventionally usining is equipped with the stab knife as puncture instrument.In patent documentation, have been reported, the multi-functional Thoracicoabdominal puncture depression drainage device of typically recommending as CN2782100Y, by tee T, drainage tube and negative pressure drainage container (patent claims depression drainage device), formed, because the negative pressure drainage container of this patent is simple gauffer body structure, therefore can expose following technical problem in use: when the air in negative pressure drainage container is displaced after receiving flat state, after negative pressure state, often have the anxiety of diastole difficulty.In addition,, because the inlet on the depression drainage device of this patent and outage are separately positioned on upper surface and lower surface, more precisely, because outage is positioned at the lower surface of depression drainage device, therefore there is the risk of leaking.

The Thoracentesis negative pressure drainage device that utility model patent Granted publication CN2848232Y provides, it is to be equipped with spring in negative pressure drainage container, and negative pressure drainage vessel still remains gauffer body; The Medical thorax puncture negative pressure drainage that utility model patent Granted publication CN201064579Y discloses is, in negative pressure drainage container, spring is set equally, and changes negative pressure drainage vessel into non-wrinkled body.In these two patents, the former structure is inferior to the latter, because the structure of gauffer body can increase the active force of spring to a great extent unnecessaryly.The common shortcoming of these two patents is: the self structure of spring is lost reasonability, from the schematic structure of these two patents, can find out, spring is upper and lower isodiametric structure, when oppressing negative pressure drainage container to air displaced, the middle part of spring can produce bulging phenomenon, exists and turns round the phenomenon of damaging negative pressure drainage container; How two patents all do not disclose the enlightenment that the upper and lower side of spring is fixed with the top diapire of negative pressure drainage container respectively, because, if the upper and lower side of spring can not be good fit with aforesaid top diapire, so very likely by spring bursting top diapire; The unreasonable structure of the drainage tube of two patent schemes (last patent is referred to as rubber hose) and syringe needle (a rear patent claims puncture needle), be embodied in, can only by syringe needle by puncture after hydrothorax in drainage tube causes negative pressure drainage container, this drainage way is owing to being that single-point type is single channel drain (only being drawn by syringe needle place), thereby drain process is tediously long, be unfavorable for shortening the treatment time to puncture patient.The concept of foregoing single channel drain refers to that the hydrops of (breast or intraperitoneal) in patient body can only be incorporated in drainage tube by a unique passage, by the through hole communicating with the pin hole of puncture needle, introduces drainage tube.

The technical scheme that invention patent mandate notification number CN102327662B introduces has overcome the aforementioned deficiency of aforementioned CN2848223Y and CN201064579Y, specifically can be referring to the 0011st section of the description of this patent.But still there is following shortcoming: the one, because the drain base being arranged on roof does not have anti-return function, thereby there is the anxiety of the liquid return in cavity volume, while particularly the position to the splanchnocoel height higher than patient being moved in the position of negative pressure drainage vessel under the unwitting situation of entourage and/or because of misoperation, the hydrops that had previously come from patient thoracic cavity or abdominal cavity in the cavity volume by drainage tube introducing negative pressure drainage vessel can go back to thoracic cavity or the abdominal cavity into patient in the mode of reverse flow, causes the accident that jeopardizes patient's life; The 2nd, although because the sealing shroud between roof and diapire is transparent and can estimates the hydrops amount in cavity volume according to vision, the appraisal of hydrops is lost correctly, be unfavorable for that medical worker correctly grasps patient's course of disease, affect drug treatment effect and; Or affect correct opportunity of administration; The 3rd, due to the stab knife as puncture instrument is lost to protective measure, thereby there is the anxiety that punctures packing material and even undermine people's limbs in the link of packed and transported storage and so on; The 4th, because the structure of stab knife self is lost rationally, be both unfavorable for operative doctor in operation process according to need bend out required angle, be also unfavorable for improving puncture speed.

For said circumstances, still have improved necessity, the applicant has done useful design for this reason, and has formed technical scheme described below.

Summary of the invention

Top priority of the present utility model is to provide a kind of hydrops helping avoid in the cavity volume that enters into negative pressure drainage vessel to occur reverse backflow and uses guarantee patient's drain safety and stop to have an accident, be conducive to correctly judge the liquid measure in cavity volume and use help medical worker and grasp patient's drain situation and take the measure for the treatment of accordingly, be of value to the spring of avoiding being arranged in negative pressure drainage vessel and in mechanism, occur that middle part bulging phenomenon and the guarantee upper and lower side of spring and the top diapire of negative pressure drainage container coordinate reliable and use and avoid undermining top by spring, diapire, have and be convenient to improve drainage speed and use the disposable depression drainage device shortening patient's drainage time.

Another task of the present utility model is to provide a kind of contributing to effectively to cover and protect and use the disposable depression drainage device of avoiding undermining operator's limbs in the link such as packed and transported stores the stab knife as puncture instrument.

Another task of the present utility model is to provide a kind of self structure of stab knife rationally to use to facilitate operative doctor to comply with and need be bent to required angle and can significantly improves the disposable depression drainage device to patient's puncture speed.

For having embodied top priority of the present utility model, the technical scheme that this utility model provides is: a kind of disposable depression drainage device, comprise a negative pressure drainage vessel, this negative pressure drainage vessel comprises roof, diapire and sealing shroud, top, the state setting of diapire to face each other, sealing shroud is tightly connected towards one end and the roof of roof, and sealing shroud is tightly connected towards one end and the diapire of diapire; One group of spring, this group spring each other with interval distributions in the cavity volume of negative pressure drainage vessel, and spring is bearing in roof towards a side of diapire towards one end of roof, and towards one end of diapire, is bearing in diapire towards a side of roof; One drain base, this drain base is fixed on described roof back to a side of described cavity volume and communicates with cavity volume; One leakage fluid dram, this leakage fluid dram is fixed on equally described roof back to a side of described cavity volume and communicates with cavity volume equally; one drainage tube and a collecting pipe, one end of drainage tube and described drain base connect, the other end is connected with one end of collecting pipe with pluggable mode, and the other end of collecting pipe has connected a stab knife with pluggable mode, wherein: at described roof, towards a side of described cavity volume and in the position of one group of spring corresponding to described, form and have the roof spring base equating with the quantity of one group of spring, and at described diapire towards a side of cavity volume and form in the position corresponding to one group of spring equally and have the diapire spring base equating with the quantity of one group of spring, the diameter of diapire spring base is larger than the diameter of roof spring base, one group of described spring is the large and little Pagoda-shaped spring of the other end in one end, little one end of this Pagoda-shaped spring is towards described roof and be bearing on roof spring base, and large one end of this Pagoda-shaped spring is towards described diapire and be bearing on diapire spring base, on described collecting pipe and the central region that is positioned at the length direction of collecting pipe with high density state, be distributed with the hole of confluxing that not only communicates with the external world but also communicate with the tube chamber that confluxes of collecting pipe, be characterised in that: on described roof and in the position corresponding to described drain base, form and have a feed liquor valve seat, in the position corresponding to this feed liquor valve seat and towards a side of described cavity volume, be equipped with an anti-reverse reflux liquid inlet check valve, described sealing shroud is that the short transverse that transparent sealing is overlapped and overlapped in sealing is provided with for disclosing the scale mark of the liquid measure in described cavity volume.

In a specific embodiment of the present utility model, on described stab knife and at the position of the cutter head corresponding to stab knife, dispose a blade protective jacket for the blade protection on cutter head.

In another specific embodiment of the present utility model, on described stab knife and at the position with described cutter head interfaces, form and have a diameter to be less than the narrow necking down of stab knife diameter, described blade is multiple-cutting-edge mouth blade.

In another specific embodiment of the present utility model, the shape of described top, diapire is identical.

In another specific embodiment of the present utility model, the shape of described top, diapire is all the shape of disc.

Of the present utility model, also have in a specific embodiment, on described diapire and around the marginal position of the circumferencial direction of diapire, be extended with a shirt rim, on this shirt rim, offer a hanging clamp hole, on this hanging clamp hole, be equipped with a hanging clamp.

More of the present utility model and in a specific embodiment, on described drain base, be extended with an insertion pipe, peg graft and coordinate with this insertion pipe in one end of described drainage tube, and be equipped with a Y shape connector at the other end of drainage tube, this Y shape connector has one first and expands joint formula and connect mouth and one second and expand joint formula and connect mouth, when one end of described collecting pipe is when connecting the matched state of mouth with the first expansion joint formula, the second expansion joint formula connects mouth in resting state, and when one end of collecting pipe is when connecting the matched state of mouth with the second expansion joint formula, the first expansion joint formula connects mouth in resting state.

In of the present utility model and then a specific embodiment, on described leakage fluid dram, be extended with a gag band, on this gag band, form and have a gag, this gag matches with leakage fluid dram.

Of the present utility model again more and in a specific embodiment, on described feed liquor valve seat, offer a pair of inlet opening, this communicates with described cavity volume to inlet opening, and communicate with described drain base simultaneously, at feed liquor valve seat, towards a side formation of cavity volume, have a check valve container cavity, described anti-return feed liquor check valve is arranged in this check valve container cavity.

In again of the present utility model and then a specific embodiment, described anti-return feed liquor check valve comprises valve block fixed leg, valve block cover and valve block, valve block fixed leg is positioned at described check valve container cavity and fixes towards a side of described cavity volume with described feed liquor valve seat, valve block inserting is solid on valve block fixed leg, and valve block is fixed on valve block in the position of a pair of inlet opening corresponding to described and puts.

The technical scheme that this utility model provides is owing to forming and having a feed liquor valve seat on roof and in the position corresponding to drain base, on feed liquor valve seat and at feed liquor valve seat, towards a side of cavity volume, set counterflow-preventing feed liquor check valve, thereby can stop by the hydrops of drawing in patient body and enter in cavity volume and occur reverse backflow, ensure that patient's drain safety also stops to occur malpractice; Owing to being provided with scale mark on sealing shroud, thereby can drive medical worker correctly to grasp patient's drainage flow, in order to taking the measure for the treatment of accordingly; Due to upper and lower spring base is designed to different sizes, and one group of spring design is become to Pagoda-shaped, and little one end of one group of spring is supported on upper spring seat, and large one end is supported on lower spring cup, thereby one group of spring there will not be middle part bulging phenomenon, and one group of spring coordinates reliably and not and can undermine top, diapire with top, diapire; Collecting pipe is inserted patient chest chamber or intraperitoneal under using state, by the hole of confluxing distributing on it, is played just as the excellent drainage effect of cigarette filter form and can be shortened drainage time.

Accompanying drawing explanation

Fig. 1 is structure chart of the present utility model.

Fig. 2 is the cutaway view of Fig. 1.

Fig. 3 is application examples schematic diagram of the present utility model.

The specific embodiment

Embodiment 1:

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, applicant elaborates the mode with embodiment below, but to the description of embodiment, be not all the restriction to this utility model scheme, 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.

The concept of every directivity that relates to upper and lower, left and right, front and rear (or claiming directionality) is all for the residing location status of figure being described in the following description, object is to facilitate public understanding, thereby can not be understood as being particularly limited of technical scheme that this utility model is provided.

Refer to Fig. 1 and Fig. 2, provided a negative pressure drainage vessel 1, this negative pressure drainage vessel 1 can be called left plate by roof 11(), diapire 12(can be referred to as right plate) and be sealedly attached to the sealing shroud that is used to form cavity volume 14 13 between top, diapire 11,12, preferably: roof 11 and diapire 12 are filled the post of by plastics, by plastic production, and the transparent or semitransparent plastic sheeting of sealing shroud 13 use is filled the post of; Top, diapire 11,12 are all designed to the shape of the disc that shape is identical.On roof 11, be provided with a drain base 3 and leakage fluid dram 4, be extended with a gag band 41 on leakage fluid dram 4, on gag band 41, form and have a gag 411, this gag 411 matches with the outage 42 of leakage fluid dram 41.At the position, edge of diapire 12, form and have a shirt rim 122, on this shirt rim 122, offer a hanging clamp hole 1221, and be equipped with a hanging clamp 1222 on this hanging clamp hole 1221.

In aforesaid cavity volume 14, be provided with one group of spring 2, in the present embodiment, the quantity of one group of spring 2 has three, equidistant intervals distributes each other, particularly this group spring 2 cavity volume 14 in around the circumferencial direction of cavity volume 14 around pushing up, the circumferencial direction of base plate 11,12 with each other 120 ° spaced apart.As shown in Figure 1, at roof 11, towards a side of diapire 12 and in position corresponding to one group of spring 2, form and have tri-of the roof spring base 111(that equate with the quantity of one group of spring 2), and form towards a side of existing roof 11 and in the position corresponding to roof spring base 111 at diapire 12, have tri-of the diapire spring base 121(that equate with the quantity of roof spring base 111).The left end of each spring in one group of spring 2 is bearing on roof spring base 111 to be nested with mode towards one end of roof spring base 111, and the right-hand member of each spring is in the diapire spring cavity 1211 of diapire spring base 121 that shape is basin shape is located in one end of diapire spring base 121.One end of the drainage tube 5 providing in figure and aforesaid drain base 3 connect, by this drainage tube 5, thoracic cavity or abdominal paracentesis patient's thoracic cavity or Intraabdominal hydrops are introduced in cavity volume 14, the other end of drainage tube 5 connects one end of collecting pipe 8 with pluggable mode, and the other end of collecting pipe 8 connects a stab knife 6 with pluggable mode.

The diameter of aforesaid roof spring base 111 is designed to less than the diameter of aforesaid diapire spring base 121, that is to say, the diameter of diapire spring base 121 is larger than the diameter of roof spring base 111.And one group of spring 2 is all designed to the little and Pagoda-shaped spring that the other end is large in one end, little one end of this Pagoda-shaped spring is towards roof 11 and be bearing on (being nested with mode) roof spring base 111, and large one end of Pagoda-shaped spring is towards diapire and be located in aforesaid diapire spring cavity 1211.One group of spring 2 of this version is with the technique effect that top, diapire spring base 111,121 match: under using state, there will not be the situation of middle part bulging, and coordinate ideal with roof 11 and diapire 12, can not undermine top, diapire 11,12.Aforesaid collecting pipe 8 is inserted patient chest chamber or intraperitoneal under using state, and in the central region of the length direction of collecting pipe 8, with high density state, be distributed with the hole 82 of confluxing that not only communicates with the external world but also communicate with the tube chamber 81 of collecting pipe 8, thereby make collecting pipe 8 there is the saturating liquid effect as cigarette filter, favourablely improve drainage effect and accelerate drainage speed, shorten drainage time.As shown in Figure 1, on the pipeline of drainage tube 5, be equipped with a pipe clamp 52, by this pipe clamp 52, controlled the on-off of the tube chamber 51 of drainage tube 5, that is to say that pipe clamp 52 is for opening or close the tube chamber 51 of drainage tube 5.On aforementioned drain base 3, be extended with an insertion pipe 31, one end of aforementioned drainage tube 5 and this insertion pipe 31 connect, and be equipped with and be fixed with a Y shape connector 53 at the other end of drainage tube 5, Y shape connector 53 has one first and expands joint formula and connect mouth 531 and one second and expand joint formula and connect mouth 532, when one end of collecting pipe 8 is in when the first expansion joint formula connects mouth 531 and pegs graft the state of (coordinating), the second expansion joint formula connects mouth 532 in resting state so, be essentially the standby mouth that connects, otherwise, when one end of collecting pipe 8 is when connecting with the second expansion joint formula the state that mouth 532 plugs, first expands joint formula and connects mouth 531 and develop into the standby mouth that connects in resting state so.

Why applicant connects mouth 531 and second and expands joint formula and connect mouth 532 being formed in the spigot joint first expansion joint formula that is called of on Y shape connector 53 two, because along with the different of patient individual difference and along with the difference of puncture operation wound and/or drainage flow etc., the diameter of collecting pipe 8 is also in requisition for replacing, generally, collecting pipe 8 has the specification of five to six different-diameters, therefore the first expansion joint formula is connected to mouth 531 formations and have three sections, the diameter of these three sections expands to base portion gradually from end, particularly, the diameter that is positioned at a sections of end is less than the diameter of a sections at middle part, and the diameter that is positioned at a sections at middle part is less than the diameter of a sections that is positioned at base portion, accordingly, applicant is referred to as the first expansion joint formula and connects mouth 531, second expands joint formula connects mouth 532 with example.So first, second expands joint formula and connects the interconnection demands that mouth 531,532 can meet the different size of collecting pipe 8.Connect mouth 531 or second and expand joint formula and connect mouth 532 when matched collecting pipe 8 and first being expanded to joint formula, as long as connect and wipe out corresponding sections on mouth 532 as shears connects mouth 531 or the second expansion joint formula in the first expansion joint formula with instrument.

On aforesaid roof 11 and in the position corresponding to drain base 3, form and have a feed liquor valve seat 112, in the position corresponding to this feed liquor valve seat 112 and be positioned at feed liquor valve seat 112 and be equipped with an anti-reverse reflux liquid inlet check valve 7 towards a side of cavity volume 14, and the short transverse at aforesaid sealing shroud 13 is provided with for disclosing the scale mark 131 of the liquid measure in cavity volume 14, hence one can see that, and sealing shroud 13 is transparent sealing cover.

On aforesaid feed liquor valve seat 112, offer a pair of inlet opening 1121, this communicates with cavity volume 14 to inlet opening 1121 and communicates with drain base 3 simultaneously, at feed liquor valve seat 112, towards a side formation of cavity volume 14, have check valve container cavity 1122, aforesaid anti-return feed liquor check valve 7 is arranged in check valve container cavity 1122.

Aforesaid anti-return feed liquor check valve 7 comprises valve block fixed leg 71, valve block cover 72 and valve block 73, valve block fixed leg 71 is positioned at check valve container cavity 1122, and fix towards a side of cavity volume 14 with aforementioned feed liquor valve seat 112, valve block cover 72 is inserted solid on valve block fixed leg 71, that is to say by valve block fixed leg 71 and insert in the valve block trepanning of valve block cover 72, thereby valve block cover 72 is fixing with fixed leg 71, and valve block 73 is fixed on valve block cover 72 in the position corresponding to a pair of inlet opening 1121.

The liquid (aforementioned patient thoracic cavity or Intraabdominal hydrops) that comes from collecting pipe 8 expands joint formula through Y shape connector 53, first successively and connects mouth 531(or second and expand joint formula and connect mouth 532), drainage tube 5, the insertion pipe inlet 311 of insertion pipe 31, the inlet opening 1121 of feed liquor valve seat 112 and valve block 73 enter in cavity volume 14, enters liquid in cavity volume 14 because valve block 73 is by a pair of inlet opening 1121 shutoff and cannot reverse outflow cavity volume 14.

Please still see Fig. 1, the pluggable mode of take on aforesaid stab knife 6 and at the position of the cutter head 61 corresponding to stab knife 6 disposes one for the blade 611 blade protective jacket 6111 protection and that material is plastics on cutter head 61.In addition, for the ease of operative doctor, before operation that patient is punctured, according to requirements of operation, the cutter head of stab knife 6 61 is bent into required angle, thereby between stab knife 6 and cutter head 61, form and have a diameter to be significantly less than the narrow necking down 62 of the diameter of stab knife 6 at the position of stab knife 6 and cutter head 61 interfaces, and blade 61 is designed to multiple-cutting-edge mouth blade.Narrow necking down 62 is convenient to operative doctor in the bending and make to form between cutter head 62 and cutter hub required angle easily of when operation.

Refer to Fig. 3 and in conjunction with Fig. 1 and Fig. 2, during use, open gag 411, close the tube chamber 51 of pipe clamp 53(blocking-up drainage tube 5), with hands, roof 11 is pressed towards the direction of diapire 12, the air in cavity volume 14 is discharged from the outage 42 of leakage fluid dram 4, one group of spring 2 compresses and energy storage, until roof 11 is depressed into and is tending towards pasting and touching with diapire 12, gag 411 is covered to outage 42.By 6 pairs of patient's Thoracicoabdominal punctures of the hand-held stab knife of operative doctor; After puncture has been moved, open pipe clamp 53, because collecting pipe 8 is placed in puncture patient's thoracic cavity or intraperitoneal after completing puncture, so the hydrops in thoracic cavity or abdominal cavity enters the tube chamber 81 of collecting pipe 8 through the hole 82 of confluxing, by the superincumbent explanation of applicant, introduce in cavity volume 14, implement negative pressure drainage.When the interior full liquid of cavity volume 14, drainage tube 5 is pulled away in drain base 3, open gag 411, fall except the drainage-fluid in cavity volume 14, if need, continue drain, repeat said process, only need by drainage tube 5 again inserting on drain base 3.In to the process of patient's drain, once occur that negative pressure drainage vessel 1 is improper for exceeding the situation of drain patient's position because hanging, lifting, so by valve block 73 by a pair of inlet opening 1121 shutoff, stop and previously to introduce the liquid reverse reflux in cavity volume 14.

Embodiment 2:

Only the quantity of one group of spring 2 is changed into equally distributed four, circumferencial direction around cavity volume 14 is spaced apart with 90 °, spaced apart with 90 ° around the circumferencial direction of top, base plate 11,12, the quantity of roof spring base 111 and diapire spring base 121 all changes four into, and all the other are all with the description to embodiment 1.

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

Claims (10)

1. a kind of disposable depression drainage device, comprise a negative pressure drainage vessel (1), this negative pressure drainage vessel (1) comprises roof (11), diapire (12) and sealing shroud (13), top, the state setting of diapire (11,12) to face each other, sealing shroud (13) is tightly connected towards one end and the roof (11) of roof (11), and sealing shroud (13) is tightly connected towards one end and the diapire (12) of diapire (12); One group of spring (2), this group spring (2) each other with interval distributions in the cavity volume (14) of negative pressure drainage vessel (1), and spring (2) is bearing in roof (11) towards a side of diapire (12) towards one end of roof (11), and towards one end of diapire (12), is bearing in diapire towards a side of roof (11); One drain base (3), this drain base (3) is fixed on described roof (11) and communicates back to a side of described cavity volume (14) and with cavity volume (14); One leakage fluid dram (4), this leakage fluid dram (4) is fixed on equally described roof (11) back to a side of described cavity volume (14) and communicates with cavity volume (14) equally; one drainage tube (5) and a collecting pipe (8), one end of drainage tube (5) and described drain base (3) connect, the other end is connected with one end of collecting pipe (8) with pluggable mode, and the other end of collecting pipe (8) has connected a stab knife (6) with pluggable mode, wherein: at described roof (11), towards a side of described cavity volume (14) and in the position of the one group of spring (2) corresponding to described, form and have the roof spring base (111) equating with the quantity of one group of spring (2), and at described diapire (12) towards a side of cavity volume (14) and form in position corresponding to one group of spring (2) equally and have the diapire spring base (121) equating with the quantity of one group of spring (2), the diameter of diapire spring base (121) is larger than the diameter of roof spring base (111), described one group of spring (2) is the large little Pagoda-shaped spring of the other end in one end, little one end of this Pagoda-shaped spring is towards described roof (11) and be bearing on roof spring base (111), and large one end of this Pagoda-shaped spring is towards described diapire (12) and be bearing on diapire spring base (121), central region upper at described collecting pipe (8) and that be positioned at the length direction of collecting pipe (8) is distributed with the hole of confluxing (82) that not only communicates with the external world but also communicate with the tube chamber that confluxes (81) of collecting pipe (8) with high density state, it is characterized in that: at described roof (11), above and in the position corresponding to described drain base (3) form and have a feed liquor valve seat (112), in the position corresponding to this feed liquor valve seat (112) and towards a side of described cavity volume (14), be equipped with an anti-reverse reflux liquid inlet check valve (7), described sealing shroud (13) is provided with for disclosing the scale mark (131) of the liquid measure in described cavity volume (14) for transparent sealing cover and in the short transverse of sealing cover (13).

2. disposable depression drainage device according to claim 1, is characterized in that on described stab knife (6) and at the position of the cutter head corresponding to stab knife (6) (61), disposes a blade protective jacket (6111) for blade (611) protection on cutter head (61).

3. disposable depression drainage device according to claim 2, it is characterized in that upper at described stab knife (6) and form and have a diameter to be less than the narrow necking down (62) of stab knife (6) diameter at the position with described cutter head (61) interfaces, described blade (611) is multiple-cutting-edge mouth blade.

4. disposable depression drainage device according to claim 1, is characterized in that the shape of described top, diapire (11,12) is identical.

5. according to the disposable depression drainage device described in claim 1 or 4, it is characterized in that the shape of described top, diapire (11,12) is all the shape of disc.

6. disposable depression drainage device according to claim 5, it is characterized in that upper at described diapire (12) and be extended with a shirt rim (122) around the marginal position of the circumferencial direction of diapire (12), on this shirt rim (122), offer a hanging clamp hole (1221), on this hanging clamp hole (1221), be equipped with a hanging clamp (1222).

7. disposable depression drainage device according to claim 1, it is characterized in that being extended with an insertion pipe (31) on described drain base (3), peg graft and coordinate with this insertion pipe (31) in one end of described drainage tube (5), and be equipped with a Y shape connector (53) at the other end of drainage tube (5), this Y shape connector (53) has one first and expands that joint formula connects mouth (531) and one second expansion joint formula connects mouth (532), when one end of described collecting pipe (8) is when connecting the matched state of mouth (531) with the first expansion joint formula, the second expansion joint formula connects mouth (532) in resting state, and when one end of collecting pipe (8) is when connecting the matched state of mouth (532) with the second expansion joint formula, the first expansion joint formula connects mouth (531) in resting state.

8. disposable depression drainage device according to claim 1, it is characterized in that being extended with a gag band (41) on described leakage fluid dram (4), in the upper formation of this gag band (41), have a gag (411), this gag (411) matches with leakage fluid dram (4).

9. disposable depression drainage device according to claim 1, it is characterized in that offering a pair of inlet opening (1121) on described feed liquor valve seat (112), this communicates with described cavity volume (14) to inlet opening (1121), and communicate with described drain base (3) simultaneously, at feed liquor valve seat (112), towards a side formation of cavity volume (14), have a check valve container cavity (1122), anti-return feed liquor check valve (7) is arranged in this check valve container cavity (1122).

10. disposable depression drainage device according to claim 9, it is characterized in that described anti-return feed liquor check valve (7) comprises valve block fixed leg (71), valve block cover (72) and valve block (73), valve block fixed leg (71) is positioned at described check valve container cavity (1122) and fixes towards a side of described cavity volume (14) with described feed liquor valve seat (112), valve block cover (72) is inserted solid upper at valve block fixed leg (71), and valve block (73) is fixed on valve block cover (72) in the position of a pair of inlet opening (1121) corresponding to described.