CN217745165U - Drainage device for negative pressure liquid suction - Google Patents

Abstract

The utility model discloses a can be used to drainage ware of negative pressure drawing liquid relates to medical equipment technical field, including the drainage tube that is used for drainage gastric juice and to the sacculus that produces negative pressure state in the drainage tube, be equipped with same filtering component who is used for filtering the gastric juice residue between drainage tube and the sacculus, filtering component contains the last casing and the lower casing of looks adaptation, goes up the casing and still is equipped with same filter disc and is used for installing the installation component of filter disc in the inferior valve body. The utility model discloses rational in infrastructure, when realizing that gastric juice stabilizes the drainage, can also filter gastric juice through the filter disc, and then filter the residue in the gastric juice mixture off and guarantee the accuracy of gastric juice measurement, in addition, can also when removing the relation of connection of last casing and lower casing, conveniently take out the filter disc in the casing from the top, realize the quick assembly disassembly of filter disc.

Description

Drainage device for negative pressure liquid suction

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a drainage ware that can be used to negative pressure drawing liquid.

Background

Surgical drainage refers to drainage of fluid in body cavities, joint cavities, organs or tissues, including blood, pus, inflammatory exudates, bile, secretion, cystic fluid and the like, out of the body (external drainage) or in other parts of the body (internal drainage) (such as intestinal cavities, bladder and blood vessels), so as to prevent or treat the harm caused by effusion to the body.

In the prior art, chinese patent publication No. CN210750504U proposes a negative pressure drainage device and a negative pressure drainage device kit convenient for metering, which can not only accurately meter the amount of drainage liquid, but also facilitate the pouring of drainage liquid, and are especially suitable for draining gastric juice and other in vivo liquids, but when such devices are actually used, if the collected gastric juice needs to be metered, a flexibly installed filtering mechanism is lacked, solid residues in gastric juice are easily retained in gastric juice and metered together, and then the metering precision of gastric juice is affected, so we disclose a drainage device which can be used for negative pressure liquid pumping to meet the drainage metering requirements of gastric juice and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage ware that can be used to negative pressure drawing liquid to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drainage ware that can be used to negative pressure drawing liquid, including the drainage tube that is used for drainage gastric juice and right produce the sacculus of negative pressure state in the drainage tube, the one end of drainage tube extends to the patient internal, the other end of drainage tube with the sacculus is linked together, the drainage tube with be equipped with the same filter assembly who is used for filtering the gastric juice residue between the sacculus, filter assembly contains the last casing and the lower casing of looks adaptation, go up the casing with the internal same filter disc that still is equipped with of lower casing and be used for the installation component of filter disc.

Preferably, an input tube and an output tube which correspond to each other in position are fixedly communicated with the balloon, the input tube is higher than the output tube, the input tube and the output tube are both hard tubes, one end of the drainage tube extending to the outside of the patient body is a soft tube and sleeved at the input end of the upper shell, a first cold shrinkage tube is further sleeved on the outer wall of the end of the drainage tube, an output end of the lower shell is sleeved in one end of the input tube, and a second cold shrinkage tube is further sleeved on the outer wall of the end of the input tube.

Preferably, be equipped with the feed liquor check valve in the input tube, still be equipped with in the output tube with the flowing back check valve of feed liquor check valve looks adaptation, the sacculus is the elastic rubber material, just during the sacculus compression, the feed liquor check valve is closed, the flowing back check valve is opened, during the sacculus inflation, the feed liquor check valve is opened, the flowing back check valve is closed.

Preferably, the filtering component still include with go up the casing and the internal footpath looks adaptation of inferior valve the filter disc, the installation component contains and is used for compressing tightly the rubber pad of filter disc, go up the casing with all fixed solid fixed ring that has cup jointed the size unanimity on the inner wall of casing down, the filter disc is located two between the solid fixed ring, and two gu all seted up on the fixed ring and subtracted the hole, subtract and slide the cover in the hole and be equipped with the thimble, the one end fixedly connected with rubber pad of thimble will the filter disc pastes tightly one of them gu one side of fixed ring, it is equipped with the anticreep spring still to overlap on the thimble, the both ends difference fixed connection of anticreep spring is corresponding the rubber pad with gu on the fixed ring.

Preferably, go up the casing with one side that the casing is pressed close to down all is connected through a plurality of common bolts, and is a plurality of still all be equipped with on the bolt and be used for improving go up the casing with shell joint strength's under the elastic gasket.

Preferably, the upper shell is pressed close to one end of the lower shell is fixedly connected with a sealing convex ring, the lower shell is pressed close to one end of the upper shell is provided with a sealing ring groove matched with the sealing convex ring, and the sealing convex ring is sleeved in the sealing ring groove.

The utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, through pressing the sacculus, the feed liquor check valve is closed, the gastric juice that flowing back check valve and output tube collected in with the sacculus is discharged, accomplish the flowing back operation, on the contrary, when loosening the sacculus, because the sacculus is regional to the original state that resumes, and the feed liquor check valve is opened this moment, the flowing back check valve is closed, the negative pressure state that produces in the sacculus adsorbs the gastric juice in the drainage tube to the sacculus through feed liquor check valve and input tube in, and cooperate follow-up flowing back operation to discharge gastric juice, thereby realize the stable drainage to gastric juice, in this process, filter gastric juice through the filter disc, and then filter the residue in the gastric juice mixture off, ensure the accuracy of gastric juice measurement;

2. the utility model discloses in, when installing the filter disc, through the squeezing action of anticreep spring for the rubber pad compresses tightly the filter disc in one of them solid fixed ring's one side, when removing the relation of connection of last casing and lower casing, conveniently takes out the filter disc in the casing from the epitheca, realizes the quick assembly disassembly of filter disc.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a split structure of the upper shell and the lower shell of the present invention;

fig. 3 is a schematic view of the internal three-dimensional structure of the upper casing and the lower casing of the present invention.

In the figure: 1. a drainage tube; 2. a balloon; 3. an upper housing; 4. a lower housing; 5. an input tube; 6. an output pipe; 7. a liquid discharge check valve; 8. a first cold shrink tube; 9. a second cold shrink tube; 10. a bolt; 11. a fixing ring; 12. a filter disc; 13. a thimble; 14. a rubber pad; 15. an anti-drop spring; 16. and sealing the convex ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a drainage ware that can be used to negative pressure drawing liquid as shown in fig. 1-3, including drainage tube 1 that is used for drainage gastric juice and sacculus 2 to produce negative pressure state in drainage tube 1, drainage tube 1's one end extends to in the patient, drainage tube 1's the other end is linked together with sacculus 2, be equipped with same filter assembly who is used for filtering the gastric juice residue between drainage tube 1 and the sacculus 2, filter assembly contains the last casing 3 and the lower casing 4 of looks adaptation, go up the installation component that still is equipped with same filter disc 12 and is used for installing filter disc 12 in casing 3 and the lower casing 4, through setting up filter assembly, when sacculus 2 arouses negative pressure state, drainage tube 1 adsorbs the gastric juice mixture to filter assembly in filter assembly filters through filter disc 12, and then the residue in the gastric juice mixture, thereby make the gastric juice measurement more accurate filter out, in addition through the installation component, be convenient for carry out quick assembly and disassembly to filter disc 12, conveniently regularly clear up filter disc 12, avoid the residue more to arouse filter disc 12 inefficacy.

Further, in the above scheme, an input tube 5 and an output tube 6 corresponding to each other are fixedly communicated with the balloon 2, the input tube 5 is higher than the output tube 6, the input tube 5 and the output tube 6 are both hard tubes, one end of the drainage tube 1 extending to the outside of the patient body is a soft material tube and is sleeved at the input end of the upper shell 3, a first cold shrink tube 8 is further sleeved on the outer wall of the end of the drainage tube 1, an output end of the lower shell 4 is sleeved in one end of the input tube 5, and a second cold shrink tube 9 is further sleeved on the outer wall of the end of the input tube 5. Realize convenient dismouting.

Further, in the above-mentioned scheme, be equipped with the feed liquor check valve in the input tube 5, still be equipped with the flowing back check valve 7 with feed liquor check valve looks adaptation in the output tube 6, sacculus 2 is the elastic rubber material, and during sacculus 2 compression, the feed liquor check valve is closed, flowing back check valve 7 is opened, during sacculus 2 inflation, the feed liquor check valve is opened, flowing back check valve 7 is closed, when pressing sacculus 2, through flowing back check valve 7 and the gastric juice that output tube 6 collected in the sacculus 2 discharge, accomplish the flowing back operation, on the contrary, when loosening sacculus 2, because sacculus 2 region resumes to the original state, and flowing back check valve 7 closes this moment, the negative pressure state that produces in the sacculus 2 passes through feed liquor check valve and input tube 5 and adsorbs the gastric juice in the drainage tube 1 to in the sacculus 2, and cooperate follow-up flowing back operation to discharge gastric juice, thereby realize the stable drainage to gastric juice.

Further, in the above scheme, the filter assembly further includes a filter disc 12 adapted to the inner diameters of the upper housing 3 and the lower housing 4, the mounting assembly includes a rubber pad 14 for compressing the filter disc 12, the inner walls of the upper housing 3 and the lower housing 4 are both fixedly sleeved with fixing rings 11 having the same size, the filter disc 12 is located between the two fixing rings 11, and each of the two fixing rings 11 is provided with a subtractive hole, a thimble 13 is slidably sleeved in the subtractive hole, one end of the thimble 13 is fixedly connected with the rubber pad 14 and tightly attaches the filter disc 12 to one side of one of the fixing rings 11, the thimble 13 is further sleeved with an anti-drop spring 15, two ends of the anti-drop spring 15 are respectively and fixedly connected to the corresponding rubber pad 14 and the corresponding fixing ring 11, when the filter disc 12 is mounted, the rubber pad 14 compresses the filter disc 12 to one side of one of the fixing rings 11 through the squeezing effect of the anti-drop spring 15, when the connection relationship between the upper housing 3 and the lower housing 4 is released, the filter disc 12 is conveniently taken out from the upper housing 3, and the filter disc 12 is rapidly disassembled.

Further, in above-mentioned scheme, one side that upper housing 3 and lower casing 4 press close to all is connected through a plurality of common bolts 10, and still be equipped with the elastic gasket who is used for improving upper housing 3 and lower casing 4 joint strength on a plurality of bolts 10, through the connection effect of bolt 10, realize the high-speed joint between upper housing 3 and the lower casing 4, the one end that upper housing 3 pressed close to lower casing 4 still fixedly connected with seals the bulge loop 16, the sealed annular of 16 looks adaptations of sealed bulge loop is seted up to the one end that lower casing 4 pressed close to upper housing 3, sealed bulge loop 16 cover is established in sealed annular, through sealed bulge loop 16 and the sealed annular that sets up the looks adaptation, improve the connection leakproofness between upper housing 3 and the lower casing 4, avoid wherein gastric juice to permeate out.

This practical theory of operation: by pressing the balloon 2, the liquid inlet one-way valve is closed, the liquid outlet one-way valve 7 and the output pipe 6 discharge gastric juice collected in the balloon 2, and liquid outlet operation is completed, on the contrary, when the balloon 2 is loosened, the area of the balloon 2 is restored to the original state, the liquid inlet one-way valve is opened at the moment, the liquid outlet one-way valve 7 is closed, the gastric juice in the drainage tube 1 is adsorbed into the balloon 2 by the negative pressure state generated in the balloon 2 through the liquid inlet one-way valve and the input pipe 5, and the gastric juice is discharged by matching with the subsequent liquid outlet operation, so that the stable drainage of the gastric juice is realized, in the process, the gastric juice is filtered through the filter disc 12, and then residues in a gastric juice mixture are filtered out, and the metering accuracy of the gastric juice is ensured;

when the filter disc 12 is installed, the rubber pad 14 presses the filter disc 12 to one side of one of the fixing rings 11 through the extrusion action of the anti-falling spring 15, when the connection relation between the upper shell 3 and the lower shell 4 is released, the filter disc 12 is conveniently taken out from the upper shell 3, and the filter disc 12 is quickly disassembled and assembled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (6)

1. A drainage device for negative-pressure liquid suction, comprising a drainage tube (1) for draining gastric juice and a balloon (2) for generating negative-pressure state in the drainage tube (1), wherein one end of the drainage tube (1) extends into the body of a patient, and the other end of the drainage tube (1) is communicated with the balloon (2), characterized in that: drainage tube (1) with be equipped with the same filtering component who is used for filtering the gastric juice residue between sacculus (2), filtering component contains last casing (3) and lower casing (4) of looks adaptation, go up casing (3) with still be equipped with same filter disc (12) and be used for the installation in lower casing (4) the installation component of filter disc (12).

2. The flow diverter for negative pressure liquid suction according to claim 1, characterized in that: fixed intercommunication has corresponding input tube (5) in position and output tube (6) on sacculus (2), the height of input tube (5) is higher than the height of output tube (6), just input tube (5) output tube (6) are the stereoplasm pipeline, drainage tube (1) extend to the external one end of patient and establish for soft material pipeline and cover go up the input of casing (3), just this end outer wall of drainage tube (1) still overlaps and is equipped with first cold shrink pipe (8), the output cover of casing (4) is established down in the one end of input tube (5), just it is equipped with second cold shrink pipe (9) still to overlap on this end outer wall of input tube (5).

3. The flow diverter for negative pressure liquid suction according to claim 2, characterized in that: be equipped with the feed liquor check valve in input tube (5), still be equipped with in output tube (6) with flowing back check valve (7) of feed liquor check valve looks adaptation, sacculus (2) are the elastic rubber material, just during sacculus (2) compression, the feed liquor check valve closes, flowing back check valve (7) are opened, during sacculus (2) inflation, the feed liquor check valve is opened, flowing back check valve (7) are closed.

4. The flow diverter of claim 1, wherein the flow diverter is adapted to draw fluid under negative pressure, and wherein: the filter assembly further comprises a filter disc (12) matched with the inner diameter of the upper shell (3) and the inner diameter of the lower shell (4), the mounting assembly comprises a rubber gasket (14) used for pressing the filter disc (12), the upper shell (3) and a fixing ring (11) with the same size is fixedly sleeved on the inner wall of the lower shell (4), the filter disc (12) is located between the fixing ring (11) and is provided with a subtractive hole, the subtractive hole is internally provided with a thimble (13) in the subtractive hole, one end of the thimble (13) is fixedly connected with the rubber gasket (14) and is used for tightly attaching the filter disc (12) to one side of the fixing ring (11), the thimble (13) is further sleeved with an anti-falling spring (15), two ends of the anti-falling spring (15) are respectively and fixedly connected to correspond to the rubber gasket (14) and the fixing ring (11).

5. The flow diverter of claim 1, wherein the flow diverter is adapted to draw fluid under negative pressure, and wherein: go up casing (3) with one side that casing (4) were pressed close to down all is connected through a plurality of common bolt (10), and is a plurality of still all be equipped with on bolt (10) and be used for improving go up casing (3) with casing (4) joint strength's elastic gasket down.

6. The flow diverter according to claim 5, characterized in that: go up casing (3) and press close to the one end of casing (4) still fixedly connected with seals bulge loop (16) down, casing (4) are pressed close to down go up the one end of casing (3) seted up with the sealed annular of sealed bulge loop (16) looks adaptation, sealed bulge loop (16) cover is established in the sealed annular.

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