CN102614575B - Composite flexible drainage device - Google Patents

Composite flexible drainage device Download PDF

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Publication number
CN102614575B
CN102614575B CN 201210130486 CN201210130486A CN102614575B CN 102614575 B CN102614575 B CN 102614575B CN 201210130486 CN201210130486 CN 201210130486 CN 201210130486 A CN201210130486 A CN 201210130486A CN 102614575 B CN102614575 B CN 102614575B
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negative pressure
drainage
malleation
channel
pressure drainage
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CN102614575A (en
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李俊荣
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SEXES BIOLOGICAL TECHNOLOGY CO., LTD.
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SHANDONG SUCCESS PHARMACEUTICAL TECHNOLOGY Co Ltd
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Abstract

The invention discloses a composite flexible drainage device, which comprises a basal disc, a filter layer and a negative pressure drainage nozzle, wherein the basal disc is provided with a negative pressure drainage passage which is communicated with both the negative pressure drainage nozzle and the filter layer, and is also provided with a positive pressure interface; a positive pressure pouring, flushing and dosing passage which is communicated with both the positive pressure interface and the filter layer is arranged in the basal disc; and the negative pressure drainage passage in the basal disc is not communicated with the positive pressure pouring, flushing and dosing passage. The composite flexible drainage device is provided with the negative pressure drainage passage and the positive pressure pouring, flushing and dosing passage which are independent of each other, so that flushing of a wound surface and drainage of exudate of the wound surface can be simultaneously performed, and the drainage device is not required to be replaced for flushing or application of a medicament; the device has a long application period; the workload of the medical personnel is relieved; and the working efficiency is increased. Meanwhile, the pain for a patient is relieved, and the medical cost of the patient is greatly reduced.

Description

Compound flexible type drainage system
Technical field
The present invention 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 treating intractable wound infection, 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 large, 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 the sorptive materials such as sponge or porous foam mostly, it is covered on wound, outer surface overgrowth thing semipermeable membrane, edge adhering and sealing bar seals simultaneously drainage tube and forms the partial closure space, the negative pressure that connects the expedition pump generation by drainage tube absorbs exudate from wound, exudate flows into special-purpose gathering-device by adsorbing material through drainage tube, realizes negative pressure drainage.There is following defective in this device: one, cause the negative pressure skewness because of reasons in structure dressing inner drainage tube to having a long way to go apart from length of seal cavity each position, be drawn into drainage tube institute away from the exudate of drainage tube little through path length, negative pressure, resistance is large, and drainage efficiency is low; Two, trivial operations, particularly drainage tube and existence sealing dead angle, semipermeable membrane junction realize that complete sealing difficulty is very large, very easily leak gas, and cause negative pressure space to lose efficacy, and affect therapeutic effect; Three, structural instability, patient's activity can affect the normal use of device; Four, the device that uses at present only has wound to play the effect of drain to the dressing between drainage tube due to reasons in structure, and opposite side is entirely idle waste state, and the dressing utilization rate is low; Five, to pull down drainage system when wound surface need to rinse or use medicine, rinse the drainage system that need more renew after medication is completed, so, both strengthen medical worker's workload, more increased patient's medical expense.
China Patent No. 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 described basal disc, the drainage channel wall is provided with and attracts the external filter course in hole, drainage channel, attracts hole, drain mouth to be 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 during liquid flow, resistance is large, and when fitting with wound surface, need to be out of shape according to the shape of wound surface, and the distortion difficulty of drainage channel is large.
Medical drainage sucking disc is due to the shape that needs the root wound surface and wound surface applying, and basic demand is to have pliability, can be crooked to a certain extent, and this character is to be determined by the material that adopts.It is the common practise in this area.
Summary of the invention
The technical problem to be solved in the present invention 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, the present invention includes 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 basal disc, also be provided with positive pressure interface on described basal disc, be provided with the malleation irrigation administration channel that all communicates with positive pressure interface and filter course in basal disc, in basal disc, the negative pressure drainage passage does not communicate with malleation irrigation administration channel.
In order to facilitate basal disc with the shape distortion of wound surface, and in order to reduce the flow resistance of fluid, a plurality of negative pressure drainages subchannel that described negative pressure drainage passage comprises the negative pressure drainage main channel and 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 acute angle, on all negative pressure drainages 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, is provided with a malleation irrigation administration subchannel between adjacent two negative pressure drainage subchannels of the same side, negative pressure drainage main channel.Malleation irrigation administration main channel and negative pressure drainage main channel evenly intert and arrange, and guaranteed comprehensive effectiveness of drain, flushing.
For the ease of making, described basal disc comprises housing and interlayer, remove the negative pressure channel groove of bottom surface formation and the malleation channel slot of malleation irrigation administration channel removal bottom surface formation with the negative pressure drainage passage on housing, gather on interlayer porose, interlayer is mutually bonding with housing, and each hole on interlayer only communicates with negative pressure channel groove or malleation channel slot on housing.Porose owing to gathering on interlayer, the exudate on wound enters drainage channel with the shortest path by the aperture on filter course and interlayer under suction function; Realize efficient drain.The hole of gathering in device on equally distributed drainage channel and 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 housing, and filter course is positioned at the downside of interlayer, and housing bottom is provided with for the flange bonding with skin.Filter course only need to be arranged on the downside of interlayer, has avoided the phenomenon of the idle waste of part of filter course.
In order to prevent the leakage of positive pressure interface and negative pressure drainage mouth, described negative pressure drainage mouth and positive pressure interface are arranged on the part of housing 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 for convenient, described 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 tube, shutoff in main body tube elastomeric material and be arranged on the lid of the main body tube 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 densely covered porose flexible layer on adsorptivity dressing layer bottom surface.Adsorptivity dressing is connected with the separate passage of these two of malleation irrigation administration channels and negative pressure drainage passage respectively, and on flexible layer, equally distributed perforation can disperse negative pressure effectively, makes it act on uniformly wound surface.
The invention has the beneficial effects as follows: the present invention is provided with separate negative pressure drainage passage and malleation irrigation administration channel, rinse wound surface and can carry out simultaneously the drain of wound fluid, rinse or use medicine need not change drainage system, the device life cycle is long, both alleviate medical worker's workload, improved work efficiency.Alleviate simultaneously patient's misery, greatly reduced again patient's medical expense.
Description of drawings
Fig. 1 is front view of the present invention;
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 perspective view of the present invention;
In 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, 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.
Specific implementation method
A kind of specific embodiment as shown in Fig. 1-4, it comprises basal disc and filter course 6, filter course 6 is positioned at a side of basal disc, basal disc is provided with negative pressure drainage mouth 7 and positive pressure interface 13, be provided with negative pressure drainage passage and malleation irrigation administration channel in 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.In basal disc, the negative pressure drainage passage does not communicate with malleation irrigation administration channel.
As shown in Figure 3, a plurality of negative pressure drainages subchannel 10 that the negative pressure drainage passage comprises negative pressure drainage main channel 9 and 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 acute angle, on all negative pressure drainages subchannel 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 subchannel that communicates with malleation irrigation administration main channel 11 12, malleation irrigation administration main channel 11 surrounds the negative pressure drainage passages, is provided with a malleation irrigation administration subchannel 12 between adjacent two negative pressure drainage subchannels 10 of 9 the same sides, negative pressure drainage main channel.
Basal disc comprises housing 3 and interlayer 5, remove the negative pressure channel groove of bottom surface formation and the malleation channel slot of malleation irrigation administration channel removal bottom surface formation with the negative pressure drainage passage on housing 3, gather porose 8 on interlayer 5, interlayer 5 is mutually bonding with housing 3, and on 8, each hole on interlayer 5 and housing 3, negative pressure channel groove or malleation channel slot communicate.
As shown in Figure 2, interlayer 5 and filter course 6 are arranged in housing 3, 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 densely covered porose flexible layer on adsorptivity dressing layer bottom surface.Housing 3 bottoms are provided with 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 tissue ingrowth to adsorptivity dressing 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 of housing 3 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 tube, shutoff in main body tube elastomeric material and be arranged on the lid of the main body tube 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.
Using method: this drainage system can directly be covered on processed wound site, filter course 6 contacts with wound, be used for absorbing exudate, the position of housing 3 edges and contact skin is bonding by adhesives and skin, makes on the wound under the covering of this device and forms enclosed space.
Drainage tube 2 connects expedition pump and special collector, and for this device provides negative pressure, gathering-device is used for collecting the wound surface exudate of the mozzle outflow that is connected on drainage tube 2 to expedition pump by drainage tube 2.
The wound surface exudate that adsorptivity dressing absorbs can enter in the negative pressure drainage passage and converge by the hole 8 on interlayer 5 under the effect of negative pressure, then flow in drainage tube 2 through negative pressure drainage mouth 7, drainage tube 2 other ends connect special collector and are used for collecting the wound surface exudate of discharging.
During the cleaning transudate, close the lid of positive pressure cap 4, produce negative pressure under the swabbing action of expedition pump, transudate is siphoned away by drainage tube 2.
When needing administration or cleaning wound surface, open the lid of positive pressure cap 4, the entry needle that fills the syringe of medicinal liquid or cleanout fluid is passed elastomeric material to be extend in matrix, squeeze into medicinal liquid or cleanout fluid, medicinal liquid or cleanout fluid enter wound surface by malleation irrigation administration channel, interlayer 5 and filter course 6, realize administration or cleaning, the liquid after wound surface is processed is taken away by the negative pressure drainage passage by the effect of expedition pump.
Distribute and separate because malleation irrigation administration channel and negative pressure drainage passage intert, make two kinds of operations to carry out simultaneously and can not affect separately functional effect.
Adsorptivity dressing can contain antibacterials, and the microorganism while assurance device that these medicines can be killed in wound is interior aseptic.Other can palliate the agonizing sufferings or be conducive to the medicine of wound healing also can to contain analgesic or auxin etc. in adsorptivity dressing.Certainly, these medicines also can regularly be injected into malleation irrigation administration channel and then be entered adsorptivity dressing by positive pressure cap 4 and act on wound surface.
This device is applicable to the position of the large section of external surface, can differently with the wound surface area according to application site carry out connection in series-parallel simultaneously and use.Or design the instructions for use that multiple different size or shape satisfy specific part.
Should guarantee as far as possible during use that positive pressure interface 13 is in relatively high-order, not hindered by gravity to guarantee flushing and drain process.

Claims (8)

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 basal disc, it is characterized in that: also be provided with positive pressure interface on described basal disc, be provided with the malleation irrigation administration channel that all communicates with positive pressure interface and filter course in basal disc, in basal disc, the negative pressure drainage passage does not communicate with malleation irrigation administration channel, a plurality of negative pressure drainages subchannel that described negative pressure drainage passage comprises the negative pressure drainage main channel and 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 acute angle, on all negative pressure drainages subchannel 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, be provided with a malleation irrigation administration subchannel between adjacent two negative pressure drainage subchannels of the same side, negative pressure drainage main channel.
2. compound flexible type drainage system according to claim 1, it is characterized in that: described basal disc comprises housing and interlayer, remove the negative pressure channel groove of bottom surface formation and the malleation channel slot of malleation irrigation administration channel removal bottom surface formation with the negative pressure drainage passage on housing, gather on interlayer porose, interlayer is mutually bonding with housing, and each hole on interlayer only communicates with negative pressure channel groove or malleation channel slot on housing.
3. compound flexible type drainage system according to claim 2, it is characterized in that: described interlayer and filter course are arranged in housing, and filter course is positioned at the downside of interlayer, and housing bottom is provided with for the flange bonding with skin.
4. compound flexible type drainage system according to claim 3, it is characterized in that: described negative pressure drainage mouth and positive pressure interface are arranged on the part of housing higher than flange.
5. any one described compound flexible type drainage system according to claim 1-4, it is characterized in that: described negative pressure drainage mouth and positive pressure interface are positioned at the both sides of basal disc.
6. any one described compound flexible type drainage system according to claim 1-4, it is characterized in that: described positive pressure interface is provided with positive pressure cap, positive pressure cap comprise main body tube, shutoff in main body tube elastomeric material and be arranged on the lid of the main body tube mouth of pipe.
7. any one described compound flexible type drainage system according to claim 1-4, it is characterized in that: described negative pressure drainage mouth is provided with drainage tube, and drainage tube is provided with pipe clamp.
8. any one described compound flexible type drainage system according to claim 1-4 is characterized in that: described filter course comprises the adsorptivity dressing layer and is attached to densely covered porose flexible layer on adsorptivity dressing layer bottom surface.
CN 201210130486 2012-04-28 2012-04-28 Composite flexible drainage device Active CN102614575B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103768703B (en) * 2014-01-10 2016-01-27 哈尔滨医科大学 The et al. Ke negative pressure closed drainage device that cloverleaf pattern can be extracted
CN104873332A (en) * 2015-05-08 2015-09-02 傅秋良 Negative pressure drainage dressing having attraction and flushing functions
CN107041811A (en) * 2017-03-07 2017-08-15 无锡圣诺亚科技有限公司 Exempt from dressing visually to apply

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2232737Y (en) * 1995-05-09 1996-08-14 李积山 Replacement therapeutic device for otitis media
CN101829391A (en) * 2010-05-16 2010-09-15 崇阳县天南星实业有限责任公司 Medical drainage sucking disc and preparation method thereof
CN102049069A (en) * 2009-11-10 2011-05-11 杨克训 Wound surface closing device, wound comprehensive treatment control system and method
CN202505959U (en) * 2012-04-28 2012-10-31 山东赛克赛斯药业科技有限公司 Compound flexible drainage device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006054720A1 (en) * 2004-11-18 2006-05-26 Jms Co., Ltd. Automatic peritoneal dialyzer and method of drainage control therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2232737Y (en) * 1995-05-09 1996-08-14 李积山 Replacement therapeutic device for otitis media
CN102049069A (en) * 2009-11-10 2011-05-11 杨克训 Wound surface closing device, wound comprehensive treatment control system and method
CN101829391A (en) * 2010-05-16 2010-09-15 崇阳县天南星实业有限责任公司 Medical drainage sucking disc and preparation method thereof
CN202505959U (en) * 2012-04-28 2012-10-31 山东赛克赛斯药业科技有限公司 Compound flexible drainage device

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Address after: 250101 Ji'nan high tech Zone, Shandong Road, No. 2222

Patentee after: Shandong saikesaisi Biological Technology Co., Ltd.

Address before: 250100 Ji'nan province high tech Zone (Lixia District) development road, No. 2222, No.

Patentee before: Shandong Success Pharmaceutical Technology Co., Ltd.

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Address after: 250101 No. 2222 Pioneer Road, Jinan High-tech Zone, Shandong Province

Patentee after: SEXES BIOLOGICAL TECHNOLOGY CO., LTD.

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