CN202505959U - Compound flexible drainage device - Google Patents
Compound flexible drainage device Download PDFInfo
- Publication number
- CN202505959U CN202505959U CN2012201892888U CN201220189288U CN202505959U CN 202505959 U CN202505959 U CN 202505959U CN 2012201892888 U CN2012201892888 U CN 2012201892888U CN 201220189288 U CN201220189288 U CN 201220189288U CN 202505959 U CN202505959 U CN 202505959U
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- negative pressure
- drainage
- channel
- malleation
- pressure drainage
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Abstract
The utility model discloses a compound flexible drainage device which comprises a base disc, a filtering layer and a negative-pressure drainage nozzle, wherein a negative-pressure drainage channel communicated with the negative-pressure drainage nozzle and the filtering layer is arranged in the base disc; a positive-pressure interface is also arranged on the base disc; a positive-pressure perfusion flushing administration channel communicated with the positive-pressure interface and the filtering layer is arranged in the base disc; and the negative-pressure drainage channel in the base disc is not communicated with the positive-pressure perfusion flushing administration channel. In the utility model, with the negative-pressure drainage channel and the positive-pressure perfusion flushing administration channel which are mutually independent, the wound flushing and the drainage of the wound transudate can be performed at the same time, and the drainage device does not need to be replaced for flushing or applying drugs; the device has long life cycle; and the workload of the medical personnel is reduced, and the working efficiency is improved. Meanwhile, the pain of a patient is relieved, and the medical cost of the patient is greatly reduced.
Description
Technical field
This utility model relates to a medical apparatus and instruments, particularly a kind of drainage system.
Background technology
The negative-pressure sealed drainage technology is extensive use clinically; Be mainly used in the intractable wound infection of treatment, the prolonged ulcer that does not heal, skin injury, open fracture concurrent infection, burn wound, operating rear wound infection etc.; This technology has improved greatly that conventional mode of dressing change is time-consuming, effort, painful big, easy infection; Wound healing is slow, the situation that medical expense is high.The negative pressure drainage device that generally uses at present adopts (or many) drainage tube to insert the device of sorptive materials such as sponge or porous foam mostly; It is covered on the wound; Outer surface overgrowth thing semipermeable membrane, edge adhering and sealing bar seal drainage tube simultaneously and form the partial closure space, and the negative pressure that connects the expedition pump generation through drainage tube absorbs exudate from wound; Exudate flows into special-purpose gathering-device through adsorbing material through drainage tube, realizes negative pressure drainage.There is following defective in this device: one, cause the negative pressure skewness because of having a long way to go apart from length of reasons in structure dressing inner drainage tube to each position of seal cavity; It is little through path length, negative pressure to be drawn into drainage tube institute away from the exudate of drainage tube; Resistance is big, and drainage efficiency is low; Two, there are the sealing dead angle in trivial operations, particularly drainage tube and semipermeable membrane junction, realize that complete sealing difficulty is very big, very easily leak gas, and cause negative pressure space to lose efficacy, and influence therapeutic effect; Three, structural instability, patient's activity can influence the normal use of device; Four, the device that uses at present is because reasons in structure, has only dressing between wound to the drainage tube to play the effect of drain, and opposite side then is entirely idle waste state, and the dressing utilization rate is low; Five, when wound surface need wash or make medicament, will pull down drainage system, the drainage system that need more renew after the flushing medication is accomplished so, had both strengthened medical worker's workload, more increased patient's medical expense.
Chinese patent 201010185065.X discloses a kind of medical drainage sucking disc; It is characterized in that: it comprises filter course, basal disc, drain mouth; Has the staggered drainage channel that is communicated with in the said basal disc; The drainage channel wall is provided with and attracts the external filter course in hole, and drainage channel, attraction hole, drain mouth are connected state.Have good drainage effect and can keep wound surface partial closure.This patent only has a kind of drainage channel, and each branch road of drainage channel at right angles intersects, and resistance is big during liquid flow, and fashionable with wound-surface plaster, need be according to the warpage of wound surface, and the distortion difficulty of drainage channel is big.
Medical drainage sucking disc is owing to need the shape of root wound surface and wound surface to fit, and basic demand is to have pliability, can be crooked to a certain extent, and this character is by the material decision of being adopted.It is the common practise in this area.
Summary of the invention
The technical problem that this utility model will solve is: the compound flexible type drainage system that a kind of negative pressure drainage and the administration of malleation irrigation are provided.
In order to solve the problems of the technologies described above; This utility model comprises basal disc, filter course and negative pressure drainage mouth; Be provided with the negative pressure drainage passage that all communicates with negative pressure drainage mouth and filter course in the basal disc; Also be provided with positive pressure interface on the described basal disc, be provided with the malleation irrigation administration channel that all communicates with positive pressure interface and filter course in the basal disc, the negative pressure drainage passage does not communicate with malleation irrigation administration channel in the basal disc.
Basal disc is with the warpage of wound surface for ease; And in order to reduce fluidic flow resistance; Described negative pressure drainage passage comprises negative pressure drainage main channel and a plurality of negative pressure drainages subchannel that is positioned at both sides, negative pressure drainage main channel and communicates with the negative pressure drainage main channel; The length direction angle of the length direction of negative pressure drainage subchannel and negative pressure drainage main channel is an acute angle, on all negative pressure drainage subchannels away from an end of negative pressure drainage main channel with respect to the other end away from the negative pressure drainage mouth.
Described malleation irrigation administration channel comprises malleation irrigation administration main channel and a plurality of malleation irrigation administration subchannel that communicates with malleation irrigation administration main channel; Malleation irrigation administration main channel surrounds the negative pressure drainage passage, between two adjacent negative pressure drainage subchannels of the same side, negative pressure drainage main channel, is provided with a malleation irrigation administration subchannel.Malleation irrigation administration main channel and negative pressure drainage main channel evenly intert to be provided with, and guaranteed comprehensive effectiveness of drain, flushing.
For the ease of making; Described basal disc comprises housing and interlayer; Have the negative pressure drainage passage on the housing and remove the negative pressure channel groove of bottom surface formation and the malleation channel slot that malleation irrigation administration channel removal bottom surface forms; It is porose to gather on the interlayer, and interlayer is mutually bonding with housing, and negative pressure channel groove or malleation channel slot communicate on each hole on the interlayer and the housing.Because it is porose to gather on the interlayer, the exudate on the wound gets into drainage channel with the shortest path through the aperture on filter course and the interlayer under suction function; Realize efficient drain.The hole of gathering in the device on equally distributed drainage channel and the interlayer makes negative pressure stepless action from expedition pump in wound surface; Avoid the dead angle, realize comprehensive isobaric drain, compare under same suction function with other negative pressure drainage devices; The drainage effect of this device is good, and efficient is high.
In order better wound surface to be sealed in this device, described interlayer and filter course are arranged in the housing, and filter course is positioned at the downside of interlayer, and housing bottom is provided with and is used for the flange bonding with skin.Filter course only need be arranged on the downside of interlayer, has avoided the phenomenon of the idle waste of part of filter course.
In order to prevent that positive pressure interface and negative pressure drainage mouth from revealing, described negative pressure drainage mouth and positive pressure interface are arranged on the part that housing is higher than flange.During use, negative pressure drainage mouth and positive pressure interface not with contact skin, can not produce because of negative pressure drainage mouth and positive pressure interface and the poorly sealed leakage that causes of skin.
Arrange that for ease said negative pressure drainage mouth and positive pressure interface are positioned at the both sides of basal disc.
For the ease of being connected with syringe, described positive pressure interface is provided with positive pressure cap, positive pressure cap comprise main body pipe, shutoff in the main body pipe elastomeric material and be arranged on the lid of the main body pipe mouth of pipe.
For the ease of being connected with expedition pump, and be convenient to control the negative pressure drainage flow, described negative pressure drainage mouth is provided with drainage tube, and drainage tube is provided with pipe clamp.
Described filter course comprises the adsorptivity dressing layer and is attached to the densely covered foraminous flexible layer on the adsorptivity dressing layer bottom surface.Adsorptivity dressing links to each other with these two separate passages of malleation irrigation administration channel and negative pressure drainage passage respectively, and equally distributed perforation can disperse negative pressure effectively on the flexible layer, makes it act on wound surface uniformly.
The beneficial effect of this utility model is: this utility model is provided with separate negative pressure drainage passage and malleation irrigation administration channel; Flushing wound surface and can carry out simultaneously to the drain of wound fluid; The flushing or make medicament need not change drainage system; The device life cycle is long, has both alleviated medical worker's workload, has improved work efficiency.Alleviate patient's misery simultaneously, greatly reduced patient's medical expense again.
Description of drawings
Fig. 1 is the front view of this utility model;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the C-C cutaway view of Fig. 2;
Fig. 4 is the perspective view of this utility model;
Among the figure: 1, pipe clamp, 2, drainage tube, 3, housing, 4, positive pressure cap; 5, interlayer, 6, filter course, 7, the negative pressure drainage mouth; 8, hole, 9, the negative pressure drainage main channel, 10, the negative pressure drainage subchannel; 11, malleation irrigation administration main channel, 12, malleation irrigation administration subchannel, 13, positive pressure interface.
The practical implementation method
A kind of specific embodiment shown in Fig. 1-4; It comprises basal disc and filter course 6; Filter course 6 is positioned at a side of basal disc, and basal disc is provided with negative pressure drainage mouth 7 and positive pressure interface 13, is provided with negative pressure drainage passage and malleation irrigation administration channel in the basal disc; The negative pressure drainage passage all communicates with negative pressure drainage mouth 7 and filter course 6, and malleation irrigation administration channel all communicates with positive pressure interface 13 and filter course 6.The negative pressure drainage passage does not communicate with malleation irrigation administration channel in the basal disc.
As shown in Figure 3; The negative pressure drainage passage comprises negative pressure drainage main channel 9 and a plurality of negative pressure drainages subchannel 10 that is positioned at 9 both sides, negative pressure drainage main channel and communicates with negative pressure drainage main channel 9; The length direction angle of the length direction of negative pressure drainage subchannel 10 and negative pressure drainage main channel 9 is an acute angle, on all negative pressure drainage subchannels 10 away from an end of negative pressure drainage main channel 9 with respect to the other end away from negative pressure drainage mouth 7.
Malleation irrigation administration channel comprises malleation irrigation administration main channel 11 and a plurality of malleation irrigation administration subchannels 12 that communicate with malleation irrigation administration main channel 11; Malleation irrigation administration main channel 11 surrounds the negative pressure drainage passage, between two adjacent negative pressure drainage subchannels 10 of 9 the same sides, negative pressure drainage main channel, is provided with a malleation irrigation administration subchannel 12.
Basal disc comprises housing 3 and interlayer 5; Have the negative pressure drainage passage on the housing 3 and remove the negative pressure channel groove of bottom surface formation and the malleation channel slot that malleation irrigation administration channel removal bottom surface forms; Gather porose 8 on the interlayer 5; Interlayer 5 is mutually bonding with housing 3, and negative pressure channel groove or malleation channel slot communicate on 8 in each hole on the interlayer 5 and the housing 3.
As shown in Figure 2, interlayer 5 is arranged in the housing 3 with filter course 6, and filter course 6 is positioned at the downside of interlayer 5, and filter course 6 comprises the adsorptivity dressing layer and is attached to the densely covered foraminous flexible layer on the adsorptivity dressing layer bottom surface.Housing 3 bottoms are provided with and are used for the flange bonding with skin.Flexible layer is layer of polyurethane or other flexible layers of perforation, the perforation on it should be enough little to prevent in the dressing of tissue ingrowth to adsorptivity but still the permission fluid pass through.The adsorptivity dressing layer can be polyvinyl alcohol foam type synthetic material or similar sorptive material.
As depicted in figs. 1 and 2, negative pressure drainage mouth 7 and positive pressure interface 13 are arranged on the part that housing 3 is higher than flange.Negative pressure drainage mouth 7 and positive pressure interface 13 are positioned at the both sides of basal disc.Positive pressure interface 13 is provided with positive pressure cap 4, positive pressure cap 4 comprise main body pipe, shutoff in the main body pipe elastomeric material and be arranged on the lid of the main body pipe mouth of pipe.Negative pressure drainage mouth 7 is provided with drainage tube 2, and drainage tube 2 is provided with pipe clamp 1, and pipe clamp 1 has a plurality of gears, the aperture of adjustable drain pipe 2 and close drainage tube.
Method for using: this drainage system can directly be covered on the wound site that is processed; Filter course 6 contacts with wound; Be used to absorb exudate, the position of housing 3 edges and contact skin is bonding through adhesives and skin, makes to form enclosed space on the wound under the covering of this device.
Drainage tube 2 connects expedition pump and special-purpose gathering-device, and for this device provides negative pressure, gathering-device is used to collect the effusive wound surface exudate of the mozzle that is connected on the drainage tube 2 to expedition pump through drainage tube 2.
The wound surface exudate that adsorptivity dressing absorbs can get in the negative pressure drainage passages and converges under action of negative pressure through the hole on the interlayer 58; Flow in the drainage tube 2 through negative pressure drainage mouth 7 then, drainage tube 2 other ends connect the wound surface exudate that special-purpose gathering-device is used to collect discharge.
During the cleaning transudate, close the lid of positive pressure cap 4, under the swabbing action of expedition pump, produce negative pressure, transudate is siphoned away through drainage tube 2.
When needing administration or cleaning wound surface; Open the lid of positive pressure cap 4, the entry needle of the syringe that fills medicinal liquid or cleanout fluid is passed elastomeric material extend in the matrix, squeeze into medicinal liquid or cleanout fluid; Medicinal liquid or cleanout fluid get into wound surface through malleation irrigation administration channel, interlayer 5 and filter course 6; Realize administration or cleaning, the liquid after wound surface is handled is taken away through the negative pressure drainage passage through the effect of expedition pump.
Because malleation irrigation administration channel and negative pressure drainage passage intert distribution and separate, make two kinds of operations to carry out simultaneously and can not influence functional effect separately.
Adsorptivity dressing can contain antibacterials, and these medicines can be killed in the microorganism while assurance device in the wound aseptic.Other can palliate the agonizing sufferings or help the medicine of wound healing also can to contain analgesic or auxin etc. in the adsorptivity dressing.Certainly, these medicines also can regularly be injected into malleation irrigation administration channel and then be got into adsorptivity dressing by positive pressure cap 4 and act on wound surface.
This device is applicable to the position of big of external surface, simultaneously can carry out the connection in series-parallel use according to application site is different with the wound surface area.Or design the instructions for use that multiple different size or shape satisfy specific part.
It is high-order relatively to guarantee as far as possible during use that positive pressure interface 13 is in, and not hindered by gravity to guarantee flushing and drain process.
Claims (10)
1. compound flexible type drainage system; Comprise basal disc, filter course and negative pressure drainage mouth; Be provided with the negative pressure drainage passage that all communicates with negative pressure drainage mouth and filter course in the basal disc; It is characterized in that: also be provided with positive pressure interface on the described basal disc, be provided with the malleation irrigation administration channel that all communicates with positive pressure interface and filter course in the basal disc, the negative pressure drainage passage does not communicate with malleation irrigation administration channel in the basal disc.
2. compound flexible type drainage system according to claim 1; It is characterized in that: described negative pressure drainage passage comprises negative pressure drainage main channel and a plurality of negative pressure drainages subchannel that is positioned at both sides, negative pressure drainage main channel and communicates with the negative pressure drainage main channel; The length direction angle of the length direction of negative pressure drainage subchannel and negative pressure drainage main channel is an acute angle, on all negative pressure drainage subchannels away from an end of negative pressure drainage main channel with respect to the other end away from the negative pressure drainage mouth.
3. compound flexible type drainage system according to claim 2; It is characterized in that: described malleation irrigation administration channel comprises malleation irrigation administration main channel and a plurality of malleation irrigation administration subchannel that communicates with malleation irrigation administration main channel; Malleation irrigation administration main channel surrounds the negative pressure drainage passage, between two adjacent negative pressure drainage subchannels of the same side, negative pressure drainage main channel, is provided with a malleation irrigation administration subchannel.
4. compound flexible type drainage system according to claim 3; It is characterized in that: described basal disc comprises housing and interlayer; Have the negative pressure drainage passage on the housing and remove the negative pressure channel groove of bottom surface formation and the malleation channel slot that malleation irrigation administration channel removal bottom surface forms; It is porose to gather on the interlayer, and interlayer is mutually bonding with housing, and negative pressure channel groove or malleation channel slot communicate on each hole on the interlayer and the housing.
5. compound flexible type drainage system according to claim 4, it is characterized in that: described interlayer and filter course are arranged in the housing, and filter course is positioned at the downside of interlayer, and housing bottom is provided with and is used for the flange bonding with skin.
6. compound flexible type drainage system according to claim 5 is characterized in that: described negative pressure drainage mouth and positive pressure interface are arranged on the part that housing is higher than flange.
7. according to any one described compound flexible type drainage system among the claim 1-6, it is characterized in that: said negative pressure drainage mouth and positive pressure interface are positioned at the both sides of basal disc.
8. according to any one described compound flexible type drainage system among the claim 1-6, it is characterized in that: described positive pressure interface is provided with positive pressure cap, positive pressure cap comprise main body pipe, shutoff in the main body pipe elastomeric material and be arranged on the lid of the main body pipe mouth of pipe.
9. according to any one described compound flexible type drainage system among the claim 1-6, it is characterized in that: described negative pressure drainage mouth is provided with drainage tube, and drainage tube is provided with pipe clamp.
10. according to any one described compound flexible type drainage system among the claim 1-6, it is characterized in that: described filter course comprises the adsorptivity dressing layer and is attached to the densely covered foraminous flexible layer on the adsorptivity dressing layer bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201892888U CN202505959U (en) | 2012-04-28 | 2012-04-28 | Compound flexible drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201892888U CN202505959U (en) | 2012-04-28 | 2012-04-28 | Compound flexible drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202505959U true CN202505959U (en) | 2012-10-31 |
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ID=47058471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201892888U Withdrawn - After Issue CN202505959U (en) | 2012-04-28 | 2012-04-28 | Compound flexible drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202505959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614575A (en) * | 2012-04-28 | 2012-08-01 | 山东赛克赛斯药业科技有限公司 | Composite flexible drainage device |
| CN109172005A (en) * | 2018-10-15 | 2019-01-11 | 上海市第人民医院 | A kind of novel preoperative disinfection infuser device |
| CN115486989A (en) * | 2022-09-30 | 2022-12-20 | 中国人民解放军联勤保障部队第九0一医院 | Negative pressure wound surface treatment device |
-
2012
- 2012-04-28 CN CN2012201892888U patent/CN202505959U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614575A (en) * | 2012-04-28 | 2012-08-01 | 山东赛克赛斯药业科技有限公司 | Composite flexible drainage device |
| CN102614575B (en) * | 2012-04-28 | 2013-06-12 | 山东赛克赛斯药业科技有限公司 | Composite flexible drainage device |
| CN109172005A (en) * | 2018-10-15 | 2019-01-11 | 上海市第人民医院 | A kind of novel preoperative disinfection infuser device |
| CN109172005B (en) * | 2018-10-15 | 2023-10-20 | 上海市第一人民医院 | Novel preoperative disinfection soaking device |
| CN115486989A (en) * | 2022-09-30 | 2022-12-20 | 中国人民解放军联勤保障部队第九0一医院 | Negative pressure wound surface treatment device |
| CN115486989B (en) * | 2022-09-30 | 2023-07-18 | 中国人民解放军联勤保障部队第九0一医院 | Negative pressure wound surface treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |