CN220046625U - Negative pressure anti-reflux device - Google Patents
Negative pressure anti-reflux device Download PDFInfo
- Publication number
- CN220046625U CN220046625U CN202321081131.8U CN202321081131U CN220046625U CN 220046625 U CN220046625 U CN 220046625U CN 202321081131 U CN202321081131 U CN 202321081131U CN 220046625 U CN220046625 U CN 220046625U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- communication port
- reflux
- disc
- porous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000151 anti-reflux effect Effects 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000010992 reflux Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 206010036790 Productive cough Diseases 0.000 description 15
- 208000024794 sputum Diseases 0.000 description 15
- 210000003802 sputum Anatomy 0.000 description 15
- 238000010521 absorption reaction Methods 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 206010062717 Increased upper airway secretion Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000026435 phlegm Diseases 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 201000009267 bronchiectasis Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000014599 transmission of virus Effects 0.000 description 1
Abstract
The utility model discloses a negative pressure anti-reflux device, which comprises a hollow cylinder, wherein a first communication port and a second communication port are arranged at two ends of the hollow cylinder, a negative pressure source is connected outside the first communication port, an anti-reflux structure for absorbing reflux liquid is arranged in the hollow cylinder, a negative pressure channel is arranged along the length direction of the hollow cylinder in the anti-reflux structure, two ends of the negative pressure channel are communicated with the first communication port and the second communication port to form a penetrating channel which is sequentially formed by the second communication port, the anti-reflux structure and the first communication port, and the anti-reflux structure is used for blocking the first communication port after expansion during operation. The utility model is positioned between the negative pressure liner and the negative pressure source, can absorb the reflux liquid, reduces the risk of the reflux liquid flowing into the negative pressure source, and is beneficial to the treatment of patients.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a negative pressure anti-reflux device.
Background
Chronic Obstructive Pulmonary Disease (COPD), bronchiectasis are common respiratory diseases, negative pressure suction can help the patient who discharges phlegm weak to relieve respiratory tract obstruction, some serious patients in respiratory medicine, because the sputum is too much, and can't expectorate by oneself, make the patient appear dyspnea, threat patient's life safety, and continue to give oxygen and low negative pressure, intermittent negative pressure suction, can reduce the incidence of complications such as hypoxia and respiratory tract mucous membrane damage that the sputum suction leads to, take ICU ward as an example, all adopt central negative pressure suction device to inhale the phlegm, so most of central negative pressure inner bags use frequently and the rate of utilization is high, and central negative pressure inner bag is inhaled full of sputum or central negative pressure inner bag leak when not in time changing the inner bag, central negative pressure inner bag inner liquid reverse flow rate greatly increases, simultaneously, if central negative pressure suction device places, also can increase central negative pressure inner bag inner liquid and flow back the negative pressure source, finally cause central negative pressure to block up or negative pressure reduce, be unfavorable for patient's treatment.
The utility model patent application with the Chinese patent application number 201920388325.X and the authorized notice date 2020.07.28 discloses a portable sputum aspirator, which comprises a cup body, a cup cover, an inner container, a negative pressure connecting pipe and a negative pressure device, wherein the inner container is connected to the cup cover, the cup cover is detachably connected to the cup body, the inner container is arranged in the cup body, the cup cover is provided with a sputum sucking interface and a negative pressure interface which are communicated with the inner container, the sputum sucking interface is connected with the sputum sucking pipe, one end of the negative pressure connecting pipe is detachably connected to the negative pressure interface, the other end of the negative pressure connecting pipe is connected with the negative pressure device, the cup cover and the inner container are detachably replaced, the disposable cup is not required to be cleaned, the cup cover is convenient to process, cross infection and transmission of viruses and bacteria are avoided, the cup body can provide support for the inner container, the inner container is prevented from being damaged during use, secretion leakage can be prevented when the inner container is damaged, but the inner container is not damaged during use, the negative pressure is prevented from being blocked by the inner container, the negative pressure is not easy to be increased, and the negative pressure is not easy to cause the negative pressure to be blocked by the inner container when the inner container is replaced, and the negative pressure is not easy to be replaced, and the negative pressure is increased, and the negative pressure is eventually the negative pressure is not beneficial to the negative pressure to the inner container is replaced.
How to solve the problems is a technical problem to be solved.
Disclosure of Invention
The utility model aims to provide a negative pressure anti-reflux device which is positioned between a negative pressure liner and a negative pressure source, can absorb reflux liquid, reduces the risk of the reflux liquid flowing into the negative pressure source, and is beneficial to treatment of patients.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a negative pressure anti-reflux device, which comprises a hollow cylinder, wherein a first communication port and a second communication port are arranged at two ends of the hollow cylinder, a negative pressure source is connected outside the first communication port, an anti-reflux structure for absorbing reflux liquid is arranged in the hollow cylinder, a negative pressure channel is arranged along the length direction of the hollow cylinder in the anti-reflux structure, two ends of the negative pressure channel are communicated with the first communication port and the second communication port to form a penetrating channel which is sequentially formed by the second communication port, the anti-reflux structure and the first communication port, and the anti-reflux structure is used for blocking the first communication port after expansion during operation.
Further, the anti-reflux structure comprises a water absorbing sponge, a disc-like porous water absorbing block, a water absorbing expansion block and a porous disc which are sequentially arranged from one end close to the second communication port to one end close to the first communication port, wherein the water absorbing sponge, the disc-like porous water absorbing block, the water absorbing expansion block and the porous disc are all provided with channels, the channels are mutually communicated to form a negative pressure channel, the outer peripheral wall of the water absorbing sponge, the disc-like porous water absorbing block and the outer peripheral wall of the water absorbing expansion block are attached to the inner peripheral wall of the hollow cylinder, a magnetic sphere is arranged at the channel position of the porous disc, the diameter of the sphere is larger than that of the first communication port, the center position of the sphere and the center position of the circle of the first communication port are positioned on the same horizontal axis, an annular ring made of metal material and matched with the sphere is arranged at the periphery of the first communication port, and the center position of the annular ring is matched with the center position of the first communication port, and the water absorbing ring is positioned on the same horizontal axis as the first communication port, and the water absorbing ring is pushed by the porous disc and the water absorbing expansion block and reaches the distance of the magnetic sphere after the water absorbing expansion block passes through the first communication port.
Further, the porous disc comprises a cylindrical chassis, the channel of the porous disc is positioned in the middle of the chassis, a plurality of small holes penetrating through the surface of the chassis, a plurality of supporting feet are arranged on one surface of the chassis, which is matched with the water-absorbing expansion block, and the supporting feet are inserted into the water-absorbing expansion block, wherein connecting rods are connected to the upper end and the lower end of the ball body, and the other end of each connecting rod is connected with the chassis.
Further, the porous disc comprises a cylindrical chassis, the channel position of the porous disc is located in the middle of the chassis, a plurality of small holes penetrating through the surface of the chassis are formed in the surface of the chassis, one surface of the chassis matched with the water-absorbing expansion block is provided with a plurality of supporting feet, the supporting feet are inserted into the water-absorbing expansion block, a plurality of grippers which are in arc shapes inwards are arranged on the periphery of the channel position of the chassis, and the grippers are matched to form a ball grabbing frame used for being placed in the ball body.
Further, at least two opposite supporting elastic ropes are arranged in the hollow cylinder, one end of each supporting elastic rope is fixed at one end of the hollow cylinder, and each supporting elastic rope sequentially penetrates through the water absorbing sponge, the disc-like porous water absorbing block, the water absorbing expansion block and the porous disc and then is fixed at the other end of the hollow cylinder.
Further, the total of 4 supporting elastic ropes is provided.
Due to the adoption of the structure, the utility model has the following beneficial effects:
according to the negative pressure anti-reflux device, the device is positioned between the negative pressure inner container and the negative pressure source, when liquid in the device flows back, the anti-reflux structure can be used for absorbing reflux liquid, and the anti-reflux structure can block the first communication port after expansion when working, so that the risk that the reflux liquid flows into the negative pressure source is reduced, and the treatment of patients is facilitated.
The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a water absorbing sponge of the present utility model;
FIG. 3 is a schematic view of a disc-like porous absorbent block according to the present utility model;
FIG. 4 is a schematic view of the water-swelling block structure of the present utility model;
fig. 5 is a schematic view of the structure of the porous disc and the ball-catching frame of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the negative pressure anti-reflux device provided by the utility model comprises a hollow cylinder 1, wherein a first communication port 11 and a second communication port 12 are arranged at two ends of the hollow cylinder 1, the first communication port 11 is externally connected with a negative pressure source, an anti-reflux structure 3 for absorbing reflux liquid is arranged in the hollow cylinder 1, a negative pressure channel 2 is arranged along the length direction of the hollow cylinder 1 in the anti-reflux structure 3, and two ends of the negative pressure channel 2 are communicated with the first communication port 11 and the second communication port 12 to form a penetrating channel sequentially comprising the second communication port 12, the anti-reflux structure 3 and the first communication port 11, and the anti-reflux structure 3 is used for blocking the first communication port 11 after expansion during operation. The length of a tube of the hollow cylinder body 1 is 26cm, the outer diameter is 10cm, the inner diameter is 9cm, the thickness of a tube of the hollow cylinder body 1 is 0.5cm, the diameters of the first communication port 11 and the second communication port 12 are 1cm, the first communication port 11 and the second communication port 12 are all connected with extension joints outwards, the other end of the extension joint of the first communication port 11 is connected with a negative pressure source, the extension joint of the second communication port 12 is connected with a large rubber tube, the other end of the large rubber tube is connected with a negative pressure inner container, the negative pressure inner container is connected with a sputum suction tube through the large rubber tube, and conventional sputum suction can be carried out by extending the sputum suction tube into a patient.
Preferably, the anti-reflux structure 3 comprises a water absorbing sponge 4, a disc-like porous water absorbing block 5, a water absorbing expansion block 6 and a porous disc 7 which are sequentially arranged in the hollow cylinder 1 from one end close to the second communication port 12 to one end close to the first communication port 11, channels are respectively arranged in the middle of the water absorbing sponge 4, the disc-like porous water absorbing block 5, the water absorbing expansion block 6 and the porous disc 7, the channels are mutually communicated to form the negative pressure channel 2, the outer peripheral walls of the water absorbing sponge 4, the disc-like porous water absorbing block 5 and the water absorbing expansion block 6 are respectively attached to the inner peripheral wall of the hollow cylinder 1, wherein magnetic spheres 9 are arranged at the channel positions of the porous disc 7, the diameter of the sphere 9 is larger than that of the first communication port 11, the center of the sphere 9 and the center of the circle of the first communication port 11 are located on the same horizontal axis, an annular ring 141 made of metal materials and matched with the sphere 9 is arranged on the periphery of the first communication port 11, the center of the annular ring 141 and the center of the circle of the first communication port 11 are located on the same horizontal axis, and the water absorbing sponge 4, the disc-shaped porous water absorbing block 5, the water absorbing expansion block 6 and the porous disc 7 are used for pushing the sphere 9 to move after water absorbing expansion and magnetically absorbing and blocking the first communication port 11 after the distance between the annular ring 141 and the sphere 9 reaches a magnetic range. The water-absorbing sponge 4 is cylindrical, the diameter is 9cm, the thickness is 8cm, and a channel of 1cm is reserved in the middle of the water-absorbing sponge 4; the disc-shaped porous water absorption block 5 is a disc-shaped porous sponge or compressed towel, the diameter of the disc-shaped porous water absorption block 5 is 9cm, the thickness of the disc-shaped porous water absorption block 5 is 1cm, and a channel of 1cm is reserved in the middle of the disc-shaped porous water absorption block 5; the water-absorbing expansion block 6 is cylindrical, the diameter is 9cm, the thickness is 7cm, 2 parallel channels are arranged in the middle of the water-absorbing expansion block 6, and the diameters of the 2 channels are 1cm; under the condition that the water absorption expansion block 6 is not saturated, the 2 channels in the middle part are firstly contacted with liquid, if enough liquid exists, the channels can partially block the negative pressure channel 2 due to expansion, meanwhile, partial thrust generated by expansion can assist the annular ring 141 of the porous disc 7, and the reason that the water absorption expansion block 6 is designed with 2 channels is that when more reflux liquid enters from the tail part of the hollow cylinder 1, the contact area between the reflux liquid and the water absorption expansion block 6 is increased; the parts from the porous disc 7 to the first communication port 11 are hollow, expansion spaces are provided for the water absorbing sponge 4, the disc-like porous water absorbing block 5 and the water absorbing expansion block 6, the length of the expansion spaces between the porous disc 7 and the first communication port 11 can be set according to requirements, the balls 9 and the annular ring 141 do not have magnetic attraction force when not expanding, and after expansion, the balls 9 and the annular ring 141 are close to each other until the balls 9 block the annular ring 141 due to the magnetic attraction force, so that the first communication port 11 is blocked.
Preferably, the porous disc 7 includes a cylindrical chassis 71, the channel of the porous disc 7 is located in the middle of the chassis 71, a plurality of small holes penetrating through the surface of the chassis 71, a plurality of legs 72 are installed on the surface of the chassis 71, which is matched with the water-absorbing expansion block 6, and the water-absorbing expansion block 6 is inserted into the chassis through the legs 72, wherein connecting rods are connected to the upper end and the lower end of the sphere 9, and the other ends of the connecting rods are connected to the chassis 71.
Preferably, the porous disc 7 includes a cylindrical chassis 71, the channel position of the porous disc 7 is located in the middle of the chassis 71, a plurality of small holes penetrating through the surface of the chassis 71, a plurality of legs 72 are installed on one surface of the chassis 71 matched with the water-absorbing expansion block 6 and are inserted into the water-absorbing expansion block 6 through the legs 72, a plurality of grippers which are inward arc-shaped are installed on the periphery of the channel position of the chassis 71, and each gripper is matched to form a ball-grabbing frame 8 for placing the ball 9. The diameter of the porous disc 7 is 8.5cm and the thickness is 0.5cm, the ball grabbing frame 8 is made of plastic materials, and the diameter of the ball 9 is 1.4-1.8cm.
Preferably, at least two opposite supporting elastic ropes 10 are disposed in the hollow cylinder 1, one end of each supporting elastic rope 10 is fixed at one end of the hollow cylinder 1, and each supporting elastic rope 10 sequentially passes through the water absorbing sponge 4, the disc-like porous water absorbing block 5, the water absorbing expansion block 6 and the porous disc 7 and then is fixed at the other end of the hollow cylinder 1.
Preferably, the number of the supporting elastic ropes 10 is 4.
When the sputum aspirator is specifically used, the first communication port 11 is placed upwards, the second communication port 12 is placed downwards, no matter the sputum aspirator is manufactured, transported and used, the first communication port 11 is placed downwards at the upper second communication port 12, and the tilting angle is not more than 60 degrees, so that the expected effect can be achieved, the first communication port 11 and the second communication port 12 are both connected with an extension joint outwards, the other end of the extension joint of the first communication port 11 is connected with a negative pressure source, the extension joint of the second communication port 12 is connected with a large rubber tube, the other end of the large rubber tube is connected with a negative pressure liner, the negative pressure liner is connected with a sputum aspirator through the large rubber tube, the sputum aspirator is stretched into a patient, and a negative pressure regulating switch on a negative pressure source head is opened, so that conventional sputum aspirator can be carried out;
when liquid in the negative pressure anti-reflux device flows back, the reflux liquid firstly contacts the water-absorbing sponge 4, and when the amount of the reflux liquid is small, the reflux liquid can be directly absorbed by the water-absorbing sponge 4 without influencing the negative pressure; when the reflux liquid is more, the sponge part is close to saturation, and the disc-like porous water absorption block 5 can absorb part of the reflux liquid and can absorb part of the reflux residual liquid after entering the water absorption expansion block 6, and the water absorption expansion block 6 can absorb part of the reflux residual liquid; when the amount of the reflux liquid is large, the sponge is saturated, the water-absorbing expansion block 6 absorbs more liquid, and the magnetic sphere 9 can be gradually pushed to the annular ring 141 by expansion and the external pushing force (tension force) is generated, so that the first communication port 11 is blocked, and the reflux liquid is prevented from entering the negative pressure source. The utility model is positioned between the negative pressure liner and the negative pressure source, can absorb the reflux liquid, reduces the risk of the reflux liquid flowing into the negative pressure source, and is beneficial to the treatment of patients.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a negative pressure anti-reflux device, includes cavity barrel (1), its characterized in that: the utility model discloses a negative pressure tube, including cavity barrel (1), cavity barrel (1) and anti-reflux structure (3), cavity barrel (1) both ends are equipped with first intercommunication mouth (11) and second intercommunication mouth (12), first intercommunication mouth (11) external connection negative pressure source, and cavity barrel (1) internally mounted has anti-reflux structure (3) that are used for absorbing the reflux liquid, anti-reflux structure (3) are followed the length direction of cavity barrel (1) is equipped with negative pressure channel (2), the both ends of negative pressure channel (2) with first intercommunication mouth (11) with second intercommunication mouth (12) intercommunication is in order to form by second intercommunication mouth (12) anti-reflux structure (3) with the through passage of first intercommunication mouth (11), anti-reflux structure (3) are used for can be after the inflation shutoff first intercommunication mouth (11).
2. A negative pressure anti-reflux device as claimed in claim 1, characterized in that: the anti-reflux structure (3) comprises a water absorbing sponge (4), a disc-like porous water absorbing block (5), a water absorbing expansion block (6) and a porous disc (7) which are sequentially arranged from one end close to the second communication port (12) to one end close to the first communication port (11) and are positioned in the hollow cylinder (1), the water absorbing sponge (4), the disc-like porous water absorbing block (5), the water absorbing expansion block (6) and the middle part of the porous disc (7) are respectively provided with a channel, the channels are mutually communicated to form a negative pressure channel (2), the water absorbing sponge (4), the disc-like porous water absorbing block (5) and the outer peripheral wall of the water absorbing expansion block (6) are respectively attached to the inner peripheral wall of the hollow cylinder (1), a magnetic sphere (9) is arranged at the channel position of the porous disc (7), the diameter of the sphere (9) is larger than that of the first communication port (11), the sphere center position of the sphere (9) is mutually communicated with the first communication port (11) at the same position as the first communication port (11), the sphere center of the sphere is horizontally matched with the first communication port (11) at the same position of the first communication port (141), the circular center of the circular sphere (141) is horizontally matched with the circular ring-shaped material (11), the water absorbing sponge (4), the disc-like porous water absorbing block (5), the water absorbing expansion block (6) and the porous disc (7) are used for pushing the sphere (9) to move after water absorbing expansion and magnetically absorbing and blocking the first communication port (11) after the distance between the annular ring (141) and the sphere (9) reaches a magnetic range.
3. A negative pressure anti-reflux device as claimed in claim 2, characterized in that: the porous disc (7) comprises a cylindrical chassis (71), the channel position of the porous disc (7) is located in the middle of the chassis (71) and a plurality of through small holes are formed in the surface of the chassis (71), a plurality of supporting legs (72) are arranged on one surface of the chassis (71) matched with the water-absorbing expansion block (6) and are inserted into the water-absorbing expansion block (6) through the supporting legs (72), wherein connecting rods are connected to the upper end and the lower end of the ball body (9) respectively, and the other ends of the connecting rods are connected with the chassis (71).
4. A negative pressure anti-reflux device as claimed in claim 2, characterized in that: the porous disc (7) comprises a cylindrical base plate (71), the channel position of the porous disc (7) is located in the middle of the base plate (71) and a plurality of through small holes are formed in the surface of the base plate (71), a plurality of supporting legs (72) are arranged on one surface of the base plate (71) matched with the water-absorbing expansion block (6) and are inserted into the water-absorbing expansion block (6) through the supporting legs (72), a plurality of grippers which are in arc shapes inwards are arranged on the periphery of the channel position of the base plate (71) and are matched with each other to form a ball grabbing frame (8) used for placing the ball body (9).
5. A negative pressure anti-reflux device as claimed in any one of claims 2 to 4, characterized in that: the inside of cavity barrel (1) is equipped with two piece at least relative support elastic rope (10), every support elastic rope (10) one end is fixed in cavity barrel (1) one end and each support elastic rope (10) pass in proper order sponge (4) absorb water the porous piece (5) of disc appearance absorb water expansion piece (6) with porous disc (7) back is fixed at the cavity barrel (1) other end.
6. The negative pressure anti-reflux device of claim 5, wherein: the total number of the supporting elastic ropes (10) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321081131.8U CN220046625U (en) | 2023-05-08 | 2023-05-08 | Negative pressure anti-reflux device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321081131.8U CN220046625U (en) | 2023-05-08 | 2023-05-08 | Negative pressure anti-reflux device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220046625U true CN220046625U (en) | 2023-11-21 |
Family
ID=88789096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321081131.8U Active CN220046625U (en) | 2023-05-08 | 2023-05-08 | Negative pressure anti-reflux device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220046625U (en) |
-
2023
- 2023-05-08 CN CN202321081131.8U patent/CN220046625U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220046625U (en) | Negative pressure anti-reflux device | |
| CN106377804A (en) | Drainage bag | |
| CN116726271A (en) | Negative pressure anti-reflux device | |
| CN108744089A (en) | A kind of division of respiratory disease suction sputum administration integrated apparatus | |
| CN212016628U (en) | Lung function recovery training device | |
| CN110755704B (en) | Anti-leakage drainage device for general surgical clinical operation | |
| CN108355184A (en) | A kind of suction cup | |
| CN214018814U (en) | Tracheotomy nursing kit | |
| CN212662345U (en) | Novel sputum aspirator | |
| WO2008071043A1 (en) | A disposable infant sputum removing device | |
| CN216934211U (en) | Drainage device is used in operating room nursing | |
| CN211271061U (en) | Air leakage prevention vagina packer for laparoscopic surgery | |
| CN215460674U (en) | Patient's sputum aspirator that chocks not | |
| CN212491129U (en) | Postoperative anti-inflammation and sterilization device for thoracic surgery | |
| CN217938866U (en) | Oxygen humidification bottle condensate water collection device | |
| CN215739900U (en) | Novel device for promoting rapid healing of large wound surface difficult to heal | |
| CN109498896A (en) | A kind of agravic control infusion device | |
| CN211658910U (en) | Special Murphy's dropper for psychiatric department | |
| CN208974743U (en) | A kind of novel thoracic surgery thoracic duction instrument | |
| CN216571056U (en) | Infusion bag adaptive to pressure infusion apparatus | |
| CN212854191U (en) | Body fluid collector | |
| CN219148853U (en) | Anti-splashing breathing loop device | |
| CN219721315U (en) | Infusion film with air return function | |
| CN111437135B (en) | PICC membrane replacement protection device and use method thereof | |
| CN220046624U (en) | Disposable noninvasive sputum aspirator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |