CN212038407U - Anti-pollution and anti-suck-back medical negative pressure system - Google Patents
Anti-pollution and anti-suck-back medical negative pressure system Download PDFInfo
- Publication number
- CN212038407U CN212038407U CN202020258237.0U CN202020258237U CN212038407U CN 212038407 U CN212038407 U CN 212038407U CN 202020258237 U CN202020258237 U CN 202020258237U CN 212038407 U CN212038407 U CN 212038407U
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- Prior art keywords
- side wall
- negative pressure
- pollution
- pressure system
- suck
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- 230000003139 buffering effect Effects 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229920005549 butyl rubber Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000001356 surgical procedure Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 230000029663 wound healing Effects 0.000 description 3
- 206010018833 Haematocoele Diseases 0.000 description 2
- 208000005873 Hematocele Diseases 0.000 description 2
- 206010067268 Post procedural infection Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 201000004920 hematocele of tunica vaginalis testis Diseases 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007460 surgical drainage Methods 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 206010057751 Post procedural discharge Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003445 biliary tract Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Abstract
The utility model discloses a belong to medical device technical field, specifically a medical negative pressure system is prevented down-draught in anti-pollution, including buffering instruction ball, gasbag, combination post and filter tube, this kind of medical negative pressure system is prevented down-draught in anti-pollution, can observe through buffering instruction ball when the flowing backward condition of weeping, and cooperate and press the manual urgent closure of closure head, reduce weeping and pollution probability, negative pressure air check valve front end series connection is less than or equal to 0.21 um's millipore filter membrane, prevent that air from flowing backward and bring microorganism or other pollutants into, add the stop-up cardboard in the filter tube and can cooperate with spiral port cap or threaded connection so that the sample is sealed, the security is strong, prevent down-draught, in the combination process of link and combination post, utilize the inserted post that has the snap ring to make up with interior stopper, anti-drop nature is strong, collect the bag and cancel the original valve type mouth, be convenient for establishing ties, increase and collect, the online operation of operators is facilitated, the redundancy design concept is adopted, and the fault rate of each component is reduced to the lowest.
Description
Technical Field
The utility model relates to a medical device technical field specifically is a medical negative pressure system is prevented inhaling by anti-pollution.
Background
The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force.
Surgery is an operation that destroys the integrity of tissue (dissection), or restores the integrity of the disrupted tissue (suturing). With the development of surgery, the field of surgery is expanding and can be performed at any part of the human body. The applied instruments are also updated continuously, such as scalpels including electric scalpels, microwave scalpels, ultrasonic scalpels, laser scalpels and the like.
Drainage is used after the operation, and is a medical instrument for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, preventing postoperative infection and promoting wound healing. The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body so as to prevent postoperative infection and influence on wound healing.
The medical negative pressure ball after the surgical operation has the effects of assisting in leading out hematocele, effusion and the like after the drainage operation, preventing infection, promoting wound healing and the like, and is widely applied to postoperative drainage of surgical operations such as orthopedics, neurosurgery, thoracic surgery and the like. The postoperative patient needs stable and continuous negative pressure to extract hematocele in the body during drainage treatment.
And the negative pressure structure that uses among the current drainage process has certain weeping and contaminated probability, does not have the mode of effective processing at this in-process, after the check valve became invalid, can't control by urgent manual, and has certain suck-back condition, and the security is low, also has easily droing in conventional combination, and the drawback of stability, these all influence the effect of in-service use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical negative pressure system is prevented down sucking in anti-pollution to solve the negative pressure structure that current drainage in-process provided uses in the above-mentioned background art, there is certain weeping and contaminated probability, there is not the mode of efficient handling at this in-process, after the check valve became invalid, can't control by urgent manual, and there is certain suck-back condition, the security is low, also there is easy the coming off in conventional combination, the drawback of stability, these have all influenced the problem of the effect of in-service use.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-pollution and anti-suck-back medical negative pressure system comprises a buffering indicating ball, an air bag, a combined column and a filter pipe, wherein the right side wall of the buffering indicating ball is fixedly connected with the air bag, the right side wall of the air bag is fixedly connected with the combined column, the right side wall of the combined column is fixedly connected with the filter pipe, the left side wall and the right side wall of the buffering indicating ball are bonded with a main pipe fitting, the circumferential outer wall of the main pipe fitting is in threaded connection with a closing head, a first one-way valve and a second one-way valve, the right side wall of the air bag is in threaded connection with a connecting end, the circumferential outer wall of the connecting end is bonded with a clamping sleeve, the left side wall of the combined column is integrally formed with an inserting column, the circumferential outer wall of the inserting column is integrally formed with a clamping ring, the circumferential outer wall of the combined column is sleeved with a clamping hoop, the right side wall of, the inner cavity of the filter pipe is bonded with a filter pipe base, the inside of the filter pipe base is spliced with a stop clamping plate, the right side wall of the filter pipe is bonded with an auxiliary pipe fitting, and the circumferential outer wall of the pipe fitting is in threaded connection with a screw cap.
Preferably, a closing head base is bonded to the bottom of the inner cavity of the closing head, an elastic column is bonded to the bottom of the closing head, and the bottom of the elastic column is connected with the top of the closing head base in an inserted mode.
Preferably, the inside of gasbag bonds and has interior stopper, the right side wall of interior stopper bonds and has the butyl rubber piece, the circumference outer wall of inserting the post runs through the inner chamber left side wall of butyl rubber piece with the central point of interior stopper is pegged graft, the circumference outer wall of gasbag bonds and has reserve end cap.
Preferably, the left side wall and the right side wall of the airbag are respectively and fixedly connected with the right side wall of the main pipe fitting and the left side wall of the connecting end.
Preferably, the structure of the clamp is matched with that of the clamping sleeve.
Preferably, the front side wall of the collection bag is rigid with a scale.
Preferably, the number of the filter pipe bases and the number of the cut-off clamping plates are three, and the arrangement intervals of the three filter pipe bases and the three cut-off clamping plates are the same.
Preferably, the right side wall of the screw cap is screwed with an air respirator or a screw connection to facilitate the sealing of the sample.
Preferably, the first check valve and the second check valve are connected in series.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-pollution and anti-suck-back medical negative pressure system utilizes two sets of one-way valves which are connected in series and matched with the buffering indicating ball, when the condition of liquid leakage and reverse flow occurs, the one-way valves can be observed through the buffering indicating ball, and matched with the pressing closing head to carry out manual emergency closing, the probability of liquid leakage and pollution is reduced, the front end of the negative pressure air one-way valve is connected in series with a microporous filter membrane which is less than or equal to 0.21um, the microporous filter membrane has the air breathing function and prevents air from being introduced into microorganisms or other pollutants by reverse flow, a stop clamping plate is additionally arranged in a filter pipe and can be matched with a screw cap or threaded connection so as to be convenient for sample sealing, the safety is strong, the reverse suction is effectively prevented, in the combination process of a connecting end and a combination column, an inserting column with a clamping ring is utilized to be combined with an inner limiting block, the anti-fall performance is strong, the collecting, the failure rate of each component is reduced to the minimum.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the connection end of the present invention;
FIG. 3 is a schematic view of the exploded structure of the connecting end of the present invention;
FIG. 4 is a schematic view of the structure of the suck-back prevention pipe of the present invention;
fig. 5 is a schematic view of the structure of the filter tube of the present invention.
In the figure: the device comprises a 100 buffer indicating ball, a 110 closing head, a 120 closing head base, a 130 elastic column, a 140 first one-way valve, a 150 second one-way valve, a 200 air bag, a 210 connecting end, a 220 clamping sleeve, a 240 inner limiting block, a 300 combined column, a 310 inserting column, a 320 clamping ring, a 330 clamping ring, a 340 collecting bag, a 350 blocking pipe, a 400 filtering pipe, a 410 filtering pipe base, a 420 stopping clamping plate, a 430 screwing cap and a 440 standby plug.
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 an anti-pollution and anti-suck-back medical negative pressure system, which is convenient for reducing the leakage and pollution probability through the combined application of accessories, has strong safety, please refer to fig. 1-5, comprising a buffering indicating ball 100, an air bag 200, a combined column 300 and a filter tube 400;
referring to fig. 3 again, the left side wall of the buffering indication ball 100 is provided with a closing head 110, specifically, the left and right side walls of the buffering indication ball 100 are bonded with a main pipe, the circumferential outer wall of the main pipe is in threaded connection with the closing head 110, a first check valve 140 and a second check valve 150, and the left side wall of the main pipe is in threaded connection with a universal adapter, wherein the universal adapter is in a shape of gradually narrowed internal threads, and redundant parts can be cut off by scissors according to use requirements;
referring to fig. 3 again, the left side wall of the airbag 200 is fixedly connected with the buffering indication ball 100, specifically, the right side wall of the buffering indication ball 100 is fixedly connected with the airbag 200, the right side wall of the airbag 200 is connected with the connecting end 210 by a thread, the circumferential outer wall of the connecting end 210 is bonded with the cutting sleeve 220, the circumferential outer wall of the airbag 200 is bonded with the spare plug 440, wherein the spare plug 440 has a cutting ring groove, microporous filter membranes with a diameter less than or equal to 0.21um are arranged in the cutting ring groove, the spare plug 440 is two symmetrical groups and is used as a spare one, if one side check valve, airflow or other control is abnormal, the plug on the other side is directly pulled out for use, and the abnormal end is plugged, wherein the circumferential inner wall of the connecting end 210 is bonded with a double-layer sealing rubber plate, the surface of the double-layer sealing rubber plate is provided with cross grooves in a staggered manner, so that after the plug column 310, adjusting by increasing the layer number of the sealing rubber plate;
referring to fig. 5 again, the left sidewall of the combination column 300 is fixedly connected with the right sidewall of the airbag 200, specifically, the right sidewall of the airbag 200 is fixedly connected with the combination column 300, the left sidewall of the combination column 300 is integrally connected with the insert column 310, the circumferential outer wall of the insert column 310 is integrally connected with the snap ring 320, the circumferential outer wall of the combination column 300 is sleeved with the clamp 330, the right sidewall of the combination column 300 is bonded with the collection bag 340, the left sidewall of the collection bag 340 is bonded with the blocking tube 350, wherein the outside of the blocking tube 350 is connected with the snap cap through the glue string, the inside of the blocking tube 350 is welded with the 0.21um filter plate or filter membrane, the insert column 310 and the snap cap 220 are conveniently inserted and fastened, the split column is conveniently sealed, the collection bag 340 can be used alone or connected in series, the mouth position is sealed by the snap cap, and the sample is stored;
referring to fig. 5 again, the left side wall of the filter tube 400 is fixedly mounted to the right side wall of the combined column 300, specifically, the right side wall of the combined column 300 is fixedly connected to the filter tube 400, the inner cavity of the filter tube 400 is bonded with a filter tube base 410, a stop snap-off plate 420 is inserted into the filter tube base 410, the right side wall of the filter tube 400 is bonded with an auxiliary tube, the circumferential outer wall of the tube is connected to a screw cap 430 in a threaded manner, wherein the screw cap 430 can also be sealed in a clamping groove or a screw cap manner;
when the device is used specifically, the buffering indication ball 100, the closing head 110, the first one-way valve 140 and the second one-way valve 150 are connected to the main pipe, the right side of the main pipe is connected with the air bag 200, the first one-way valve 140 and the second one-way valve 150 are connected in series, when both the two one-way valves fail, the back suction condition can occur in the buffering indication ball 100, at the moment, the closing head 110 can be pressed urgently, the elastic column 130 moves downwards and is matched with the closing head base 120 for sealing, the back suction backflow is placed, the right side of the air bag 200 is connected with the connecting end, an inner limiting block 240 is arranged in the connecting end, the connecting end can be matched with an inserting column 310 containing a clamping ring 320 for inserting, then a clamping hoop 330 is combined with a clamping sleeve 220, the stability is improved, the anti-falling performance is strong, the blocking pipe 350 is connected to the collection bag 340, a filtering film can be arranged in the filtering film, a stopping clamping hoop 420 is additionally arranged in the filtering pipe 400, and can be, the security is strong, effectively prevents the suck-back, collects the bag and cancels former valve-type leakage fluid dram, is convenient for establish ties, increases and collects the volume.
Referring to fig. 4 again, in order to increase the controllability of the closing head 110, specifically, a closing head base 120 is bonded to the bottom of the inner cavity of the closing head 110, an elastic column 130 is bonded to the bottom of the closing head 110, the bottom of the elastic column 130 is inserted into the top of the closing head base 120, and two sets of the first check valve 140 and the second check valve 150 are connected in series.
Referring to fig. 3 again, in order to increase the stability of the combination, specifically, an inner limiting block 240 is bonded inside the airbag 200, a butyl rubber block is bonded on the right side wall of the inner limiting block 240, the circumferential outer wall of the insertion column 310 penetrates through the left side wall of the inner cavity of the butyl rubber block to be inserted into the central point of the inner limiting block 240, and the left side wall and the right side wall of the airbag 200 are fixedly connected with the right side wall of the main pipe and the left side wall of the connecting end 210 respectively.
Referring again to fig. 3, in order to effectively combine the post 310 with the connection end 210, the structure of the clip 330 is specifically matched with the structure of the ferrule 220.
Referring again to fig. 5, in order to make effective scale observation of the collection bag 340, specifically, the front side wall of the collection bag 340 is provided with a scale.
Referring to fig. 5 again, in order to increase the filtering effect and facilitate the external connection, specifically, the number of the filter tube bases 410 and the number of the blocking clamping plates 420 are three, the arrangement intervals of the three filter tube bases 410 and the three blocking clamping plates 420 are the same, and the right sidewall of the screw cap 430 is in threaded connection with an air respirator or in threaded connection so as to facilitate the sealing of the sample.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a medical negative pressure system is prevented suck-back in anti-pollution which characterized in that: the combined column comprises a buffering indication ball (100), an air bag (200), a combined column (300) and a filter pipe (400), wherein the right side wall of the buffering indication ball (100) is fixedly connected with the air bag (200), the right side wall of the air bag (200) is fixedly connected with the combined column (300), the right side wall of the combined column (300) is fixedly connected with the filter pipe (400), the left side wall and the right side wall of the buffering indication ball (100) are bonded with a main pipe fitting, the circumferential outer wall of the main pipe fitting is in threaded connection with a closing head (110), a first one-way valve (140) and a second one-way valve (150), the right side wall of the air bag (200) is in threaded connection with a connecting end (210), the circumferential outer wall of the connecting end (210) is bonded with a clamping sleeve (220), the left side wall of the combined column (300) is integrally connected with an inserting column (310), and the circumferential outer wall of the inserting column (, the combined column is characterized in that a hoop (330) is sleeved on the outer circumferential wall of the combined column (300), a collecting bag (340) is bonded on the right side wall of the combined column (300), a blocking pipe (350) is bonded on the left side wall of the collecting bag (340), a filtering pipe base (410) is bonded on the inner cavity of the filtering pipe (400), a stop clamping plate (420) is inserted into the filtering pipe base (410), an auxiliary pipe fitting is bonded on the right side wall of the filtering pipe (400), and a screw cap (430) is in threaded connection with the outer circumferential wall of the pipe fitting.
2. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the bottom of the inner cavity of the closing head (110) is bonded with a closing head base (120), the bottom of the closing head (110) is bonded with an elastic column (130), and the bottom of the elastic column (130) is inserted into the top of the closing head base (120).
3. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the inside bonding of gasbag (200) has interior stopper (240), the right side wall bonding of interior stopper (240) has the butyl rubber piece, the circumference outer wall of inserting post (310) runs through the inner chamber left side wall of butyl rubber piece with the central point of interior stopper (240) is pegged graft, the circumference outer wall bonding of gasbag (200) has reserve end cap (440).
4. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the left side wall and the right side wall of the air bag (200) are fixedly connected with the right side wall of the main pipe fitting and the left side wall of the connecting end (210) respectively.
5. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the structure of the clamp (330) is matched with that of the clamping sleeve (220).
6. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the front side wall of the collecting bag (340) is hard with a scale.
7. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the number of the filter pipe bases (410) is three, and the arrangement space between the three filter pipe bases (410) and the three cut-off clamping plates (420) is the same.
8. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the right side wall of the screw cap (430) is screwed with an air respirator or a screw connection to facilitate the sealing of the sample.
9. The anti-pollution and anti-suck-back medical negative pressure system according to claim 1, wherein: the first check valve (140) and the second check valve (150) are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258237.0U CN212038407U (en) | 2020-03-05 | 2020-03-05 | Anti-pollution and anti-suck-back medical negative pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258237.0U CN212038407U (en) | 2020-03-05 | 2020-03-05 | Anti-pollution and anti-suck-back medical negative pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212038407U true CN212038407U (en) | 2020-12-01 |
Family
ID=73533810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258237.0U Expired - Fee Related CN212038407U (en) | 2020-03-05 | 2020-03-05 | Anti-pollution and anti-suck-back medical negative pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212038407U (en) |
-
2020
- 2020-03-05 CN CN202020258237.0U patent/CN212038407U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |