CN102133451A - Atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces - Google Patents
Atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces Download PDFInfo
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- CN102133451A CN102133451A CN 201110034798 CN201110034798A CN102133451A CN 102133451 A CN102133451 A CN 102133451A CN 201110034798 CN201110034798 CN 201110034798 CN 201110034798 A CN201110034798 A CN 201110034798A CN 102133451 A CN102133451 A CN 102133451A
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Abstract
The invention relates to a medical appliance for treating wound surfaces, in particular to an atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces, which comprises a coating material, a drainage tube and a negative pressure source, wherein one end of the drainage tube, which is provided with a side hole, is inserted into the coating material, and the other end of the drainage tube is connected with the negative pressure source. The device provided by the invention is characterized by also comprising an ultrasonic atomizer and an atomized gas introducing tube, wherein one end of the atomized gas introducing tube is connected with the ultrasonic atomizer, and the other end of the atomized gas introducing tube, which is provided with a side hole, is inserted into the coating material. The VSD technology is used by the device for forming a relatively sealed space on a wound surface, and ultrasonic atomized gas is injected between every two times of VSD, so that the wound surface is in a wet, low-oxygen and weakly acidic environment, thereby being favorable for repairing the tissues of the wound surface.
Description
Technical field
The present invention relates to be used for the medical apparatus and instruments that wound surface is handled, refer to a kind of wound surface atomized medicine introducing and negative pressure closed drainage device intermittently particularly.
Background technology
Wound (burnings) is hindered harm humans health from ancient times, and how wound repairing is accelerated wound healing, and generations of protecting from infection reduces whole body and local complication, promotion functional rehabilitation, reduction disability rate, and alleviating the patient suffering is clinical problem demanding prompt solution.Traditional dressing such as gauze etc. can't meet clinical needs, at this situation, various countries, each large-scale medical company competitively drop into a large amount of manpower financial capacities new wound surface processing method and material are studied, wherein new pattern compress and continuous negative pressure closed drainage (vaccumsealing drainage, VSD) technology is the material and the technology of two kinds of, processing wound surface of having clinical use value most the most representative, but they also respectively have its limitation and shortcoming.
The representative products of new pattern compress is polyamino Ethyl formate foam, aerogel dressing and seal dressing etc., they all can provide the moist environment of the little acid of hypoxia for wound surface, thereby quickened the process of wound repair, reduced the wound infection rate, improved cure rate, shorten the course of disease, alleviated patient's misery.But also there are these subject matters in new pattern compress: 1) need often change dressings, strengthen patient's misery and medical personnel's workload; 2) new pattern compress of a few kind is difficult to really accomplish individual administration in the face of the cause of disease and the different wound surface of traumatic condition; 3) in the use of new pattern compress, there is the problem that is difficult to remove in time rapidly wound secretion and refuse, causes the local retention of wound secretion and refuse, suppressed the reparation of wound surface to a certain extent, and increased the chance that infects.
The core of VSD technology is to wrap up many side openings drainage tube with foam material for medical use, utilize semi permeability sticking film sealing by the drain district again with biological valve function, make it to be hedged off from the outer world, the change open wound is closed relatively wound surface, connects the high negative pressure source then and forms an efficient drainage system.Compare with traditional method, after the use VSD technology, patient's wound surface II processing time phase, total hospital stays obviously shorten, and dressing change frequency, material consumption and antibiotic dosage and expense obviously reduce; Biological semi permeability sticking film has excellent waterproof every bacterium property, can avoid cross infection effectively; Negative-pressure sealed drainage can keep not needing more change dressings in 7～10 days, misery that greatly having alleviated frequently changes dressings brings to the patient and medical personnel's workload.Though the VSD technology has obtained very big success at the various soft tissue defects of treatment with in infecting, also there is the limitation of self in it.At first, the VSD technology is a kind of simple wound surface drainage technology, and it promotes the growth of wound surface granulation tissue and accelerates the limited in one's ability of wound healing; Secondly, when using the VSD technology, negative pressure tightly sticks together foamed materials and wound surface, has suppressed the epidermis cell of edge of wound and has creeped to wound surface; The 3rd, VSD will make wound exudate increase to the continuous negative pressure suction of wound surface, and contains a large amount of albumen in the sepage, so negative nitrogen balance easily takes place body; The 4th, negative-pressure sealed drainage makes wound surface be in drying regime all the time, is unfavorable for the healing of wound surface.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of wound surface atomized medicine introducing and negative pressure closed drainage device intermittently, moist environment, the individual administration of the required little acid of hypoxia of wound healing can either be provided, can in time clear up the wound surface refuse again, thereby the reparation of acceleration loss injured tissue significantly improves the treatment level of limb trauma.
For solving the problems of the technologies described above, a kind of wound surface atomized medicine introducing provided by the invention and negative pressure closed drainage device intermittently, comprise lapping, drainage tube and negative pressure source, the end that described drainage tube has side opening inserts lapping, the other end of drainage tube is connected with negative pressure source, it is characterized in that: it also comprises ultrasound atomizer and atomization gas ingress pipe, and an end of described atomization gas ingress pipe is connected with ultrasound atomizer, and the other end that the atomization gas ingress pipe has side opening inserts described lapping.
In the technique scheme, the export pipeline of described ultrasound atomizer and/or the entrance pipe of negative pressure source are provided with check valve.
In the technique scheme, described drainage tube and atomization gas ingress pipe are many, and are interspersed in lapping.
Technique scheme also comprises microprocessor control unit, is used to control the switching and the running parameter of described ultrasound atomizer and negative pressure source.
Beneficial effect of the present invention is:
1) this device has utilized the airtight relatively space that the VSD technology forms on wound surface, injects ultrasonic atomizatio gas between adjacent twice negative pressure drainage, thereby makes wound surface keep the environment of moistening and the little acid of hypoxia, helps the reparation of wound tissue;
2) setting of ultrasound atomizer makes this device targetedly some drugs to be dissolved in normal saline according to the character of wound surface, carries out ultrasonic atomizatio then, acts on wound surface, thereby has realized wound surface individuation local application.For example: can be with promoting epithelium or incarnant medicine (as various somatomedin even Chinese patent medicine) to carry out atomized medicine introducing to acute wound surface or chronic difficult healing wound surface; Can carry out atomized medicine introducing with antibiotic and/or Chymotrypsin for infective wound surface, both may command infected, and reduced whole body and used antibiotic toxic and side effects, also can play the effect of " medicine debridement "; In addition, also can carry out the mixing administration of several drugs according to the characteristics of wound surface.Like this, both improve the local drug concentration of wound surface, reduced the drug use amount again, at utmost reduced the toxic and side effects of medicine;
3) this device changes traditional continuous negative pressure suction and is intermittently vacuum suction, and the time that can make vacuum suction only is the part even 1/tens of continuous negative pressure suction.Like this, secretions that wound surface produces and refuse can be fully, thoroughly, drain in time, avoided the inhibitory action of local retention to the wound surface growth, and oozing out of wound surface significantly reduced, and protein in body runs off and also will significantly reduce;
When 4) injecting atomization gas when formed malleation and vacuum suction formed negative pressure hocket, to play a kind of very uniform " massage effect " to wound surface continuously, thereby help promoting disappearing of local blood circulation and inflammation edema, quicken the healing of wound surface greatly;
5) utilize the accurately advantage of control of computer, provide assurance, more be applicable to the treatment of individual patient and different damage status for accurately controlling dosage and negative pressure value, pull up time etc.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structured flowchart of microprocessor control unit among Fig. 1;
Among the figure, 1-ultrasound atomizer, 2-atomization gas ingress pipe, 3-lapping, 4-drainage tube, 5-negative pressure source, 6-microprocessor control unit, 7-check valve;
Fig. 3 is the structural representation of another embodiment of the present invention;
Fig. 4 is the structured flowchart of microprocessor control unit among Fig. 3;
Among the figure, 1-ultrasound atomizer, 2-atomization gas ingress pipe, 3-lapping, 4-drainage tube, 5-negative pressure source, 6-microprocessor control unit, 7-check valve, 8-by-pass valve control;
Fig. 5 is the panel sketch map of microprocessor control unit of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail:
As shown in Figure 1, a kind of wound surface atomized medicine introducing of the present invention and negative pressure closed drainage device intermittently comprise lapping 3, drainage tube 4, negative pressure source 5, ultrasound atomizer 1, atomization gas ingress pipe 2 and microprocessor control unit 6.Lapping 3 is generally foam material for medical use, and during use, behind lapping 3 flap coverages, the sealing of reuse semi permeability sticking film can seal wound surface.Drainage tube 4 is two, and the one end has side opening, and this end inserts lapping 3; The other end of two drainage tubes 4 is connected with negative pressure source 5 by threeway etc. and after being one.Atomization gas ingress pipe 2 also is two, and an end of two atomization gas ingress pipes 2 is connected with ultrasound atomizer 1 by threeway etc. and after being one, and the other end all has side opening and inserts above-mentioned lapping 3.For making the atomization gas and the vacuum suction that enter lapping 3 can be even, two drainage tubes 4 and two atomization gas ingress pipes 2 in the lapping 3 be interspersed.The control signal output ends of microprocessor control unit 6 is connected with negative pressure source 5 with ultrasound atomizer 1 respectively, can control atomization air pressure, the nebulisation time of ultrasound atomizer 1, and the pressure of negative pressure, vacuum suction time parameter.In addition, also be provided with check valve 7, can prevent that wound secretion and refuse suck-back from going into ultrasonic nebulizer 1 at the export pipeline of ultrasound atomizer 1; Entrance pipe at negative pressure source 5 also is provided with check valve 7, can prevent that wound secretion and refuse are back to wound surface.In this embodiment, 6 of microprocessor control unit need the opening and closing of control ultrasound atomizer 1 to get final product.Owing to used check valve 7 between ultrasound atomizer 1 and the lapping 3, wound secretion, refuse and enter lapping 3 after atomization medicine can not flow back in the ultrasound atomizer 1 yet.
The quantity of atomization gas ingress pipe 2, drainage tube 4 can be adjusted according to practical situation, and the quantity of atomization gas ingress pipe 2, drainage tube 4 does not constitute the restriction to this patent protection domain in the above embodiment.
Fig. 2 is the structured flowchart of microprocessor control unit 6 among Fig. 1; As shown in Figure 2, the structured flowchart of microprocessor control unit 6 specify as follows:
The control panel function: the controller start is provided with mode of operation and relevant parameter.
Master controller: carry out the operation that control panel is set.
Motor: accept the master controller order, the On/Off of control ultrasound atomizer 1.
Power circuit: the 220V external power supply is converted to 5V, is master controller and real-time clock power supply.
Real-time clock: provide the current time, regularly.
Fig. 3 is the structural representation of another embodiment of the present invention; Comparison diagram 1 and Fig. 3 can see that embodiment shown in Figure 3 has changed the check valve 7 on the left side among Fig. 1 into by-pass valve control 8, and be the same among the operation principle of other parts and Fig. 1.
Fig. 4 is the structured flowchart of microprocessor control unit 6 among Fig. 3; As shown in Figure 4:
The control panel function: the controller start is provided with mode of operation and relevant parameter.
Master controller: carry out the operation that control panel is set.
Motor: accept the master controller order, the On/Off of control by-pass valve control 8 and ultrasound atomizer 1.
Power circuit: the 220V external power supply is converted to 5V, is master controller and real-time clock power supply.
Real-time clock: provide the current time, regularly.
As shown in Figure 3, Figure 4, utilize the work of microprocessor control unit 6 control ultrasound atomizer 1, left side by-pass valve control 8 and negative pressure sources 5.When the automatic mode of this device is used in start, microprocessor control unit 6 just starts ultrasound atomizer 1 and carries out ultrasonic atomizatio, while opening controlling valve door 8, then atomization medicine enters lapping 3 through atomization gas ingress pipe 2, when the atomized medicine introducing time to the time with regard to closing control valve 8 and ultrasound atomizer 1, and begin to remember holding time of atomization medicine, the back negative pressure source 5 of just opening of having held time is gone out secretions and refuse drain that wound surface produces, vacuum suction carries out after a period of time negative pressure source 5 closed and open once more simultaneously ultrasound atomizer 1 and by-pass valve control 8, the periodic duty that comes to this of this device.
As adopting following scope when relevant parameter among the embodiment of Fig. 1-shown in Figure 4, effect is preferable:
Atomization gas pressure range of accommodation: 0～30mmHg;
Vacuum suction pressure range of accommodation :-125～-450mmHg;
Pulse wound surface atomized medicine introducing time range of accommodation: 0～120 second;
The range of accommodation of holding time: 0～20 minute;
Vacuum suction time range of accommodation intermittently: 0～10 minute.
Fig. 5 is the panel sketch map of microprocessor control unit 6 of the present invention.As shown in Figure 5, control panel mainly is divided into two of automatic mode and manual modes, and the function of predetermined each button of panel is as follows:
1), under the automatic mode: when pressing " automatic mode " button, then system just enters automatic mode; After pressing " atomized medicine introducing time ", " holding time ", " negative oxygen pull up time " button respectively, just can by numeral keys each time parameter be set respectively; Just can the negative pressure parameter be set after pressing " minimum/peak suction setting " button by numeral keys; (when wherein digital parameters being set, be provided with from left to right, initial is the most left one, after pressing one-bit digital, just jump to second setting automatically, successively parameter value can be set according to this rule, after last position sets, just jump to the primary numerical value setting in the left side again automatically and suffered, in the time will remodifying the parameter of setting, just can be provided with at this moment).Set and press " setting " button after the parameter again and determine and preserve this setting value.
2), under the manual mode: when in the instrument running, needing to carry out manual operation, just can press " manual mode " button, then can enter manual operation state, when pressing " atomized medicine introducing ", " keeping ", " vacuum suction " one of them button, just directly enter corresponding operation.
" real-time time demonstration " digital display tube: show the current time.
Three light emitting diode lamps are indicated " start/shutdown ", " automatic mode ", " manual mode " key to have respectively and are not pressed.
" start/shutdown " button: be used for the switching on and shutting down of control device.
Below further specify wound surface atomized medicine introducing and the intermittently application of negative pressure closed drainage device in the extremity skin injury:
Soft tissue defects such as the skin of extremity are comparatively common clinically, as wound, hot crush injury, scald, burn; Avulsion injury of skin does not obtain in time suitably handling, and the later stage cutaneous necrosis is damaged; Pressure ulcer due to paraplegia or the long-term bed patient; The skin diabrosis that chronic disease causes is damaged, as lower limb varicosis, arteriosclerosis, neural malnutrition, diabetic ulcer etc.Though the available continuous negative pressure closed drainage of this class wound surface (vaccum sealing drainage, VSD) technology is carried out auxiliary treatment, and this technology is a kind of simple wound surface drainage technology, promotes the growth of wound surface granulation tissue and accelerates the limited in one's ability of wound healing.In recent years, we use wound surface atomized medicine introducing and intermittently negative pressure closed drainage device treatment extremity soft tissue defects or infection, have obtained good effect.Now be reported as follows.
1 data and method
1.1 physical data
This organizes 13 examples, male 9 examples, women 4 examples.15～67 years old age, average 37 years old.Skin tissue defects 4 examples due to the wound, downright bad prolonged 4 examples more of soft tissue infection after the wound, skin of leg is press-offed and is hindered skin total necrosis 1 example after the mistaken diagnosis, hot crush injury 1 example, 1 example of burning, pressure ulcer 1 example due to the paralytic patient, diabetic foot ulcers 1 example.Skin injury area 3cm * 4cm～26cm * 30cm.
1.2 Therapeutic Method
1. remove the slough of wound surface, thoroughly hemostasis.2. prune foam material for medical use, can atomization gas ingress pipe 2 and drainage tube 4 be inserted foamed materials according to wound surface size cutting or splicing, note making the two in foamed materials, rationally to distribute, use silk suture during splicing, after finishing with on the normal skin of its sutured around the wound surface.3. clean the wound surface surrounding skin, cover biological semipermeable membrane, make wound surface airtight in the foamed materials outside.4. with atomization gas ingress pipe 2 and wound surface atomized medicine introducing and intermittently ultrasound atomizer 1 interface of negative pressure closed drainage device join, drainage tube 4 joins with negative pressure source 5 interfaces of device.The parameter setting of device: atomization gas pressure 0mmHg, vacuum suction pressure-300mmHg, held time 10 minutes, intermittently 3 minutes vacuum suction time at 30 seconds pulse wound surface atomized medicine introducing time.Produce the liquid formulations of atomization gas:, add simultaneously with the Chymotrypsin of degraded slough and the new liquid of Chinese patent medicine rehabilitation of promotion granulation tissue growth if infective wound surface according to the result of antibacterial culturing+drug sensitive experiment before the art, is selected suitable antibiotic or povidone iodine for use; If fresh wound surface or burn wound select povidone iodine for use, add with the new liquid of Chinese patent medicine rehabilitation and the analgesic lignocaine that promote the granulation tissue growth; If chronic ulcer is selected povidone iodine for use, add with the epidermal growth factor that promotes new liquid of incarnant Chinese patent medicine rehabilitation and promotion epithelial growth.To gas leakage person, the sealing again in use of biological semipermeable membrane.5. postoperative takes the circumstances into consideration to use sensitive antibiotic according to patient temperature and blood picture.6. remove dressing after 7～10 days, look wound surface granulation growing state, the free skin-grafting of row.
2 results
Fresh wound surface or the person of burn wound keep wound surface painless substantially, and only 1 routine patient needs the auxiliary pain relieving of oral celecoxib.Check wound surface after removing dressing, 12 routine wound surface granulation tissue growths are full, scarlet tender work, the closed wound surface of making skin graft immediately.The prolonged person of not healing of 1 routine soft tissue infection, pressure ulcer person due to the 1 routine paralytic patient, after removing dressing, 1 routine diabetic foot ulcers person sees wound surface granulation tissue poor growth, capable once more wound surface atomized medicine introducing and intermittently negative pressure closed drainage device treatment, and the suitable as one sees fit liquid formulations that produces atomization gas of adjusting, wound surface granulation tissue well-grown after 7 days, the closed wound surface of making skin graft.
Model case
In sum, this device both can carry out thorough drain to wound surface, the ecological environment that can keep the moistening and little acid of hypoxia of wound surface again, also can accomplish personalized local application to wound surface, simultaneously, when injecting atomization gas when formed malleation and vacuum suction formed negative pressure hocket, continuously wound surface is played a kind of very uniform " massage effect ", thereby help promoting disappearing of local blood circulation and inflammation edema, these factors act on wound surface simultaneously, have quickened the healing of wound surface greatly.It also can need not change dressings in 7-10 days, thereby greatly alleviated the wounded's misery and medical worker's the workload of changing dressings, and can save expenses for medicine usefulness on the whole again, therefore had vast market prospect.
Above embodiment is preferred embodiment of the present invention, is not any type of restriction is done in invention, and every foundation technological essence of the present invention all still belongs in protection scope of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. wound surface atomized medicine introducing and intermittently negative pressure closed drainage device, comprise lapping (3), drainage tube (4) and negative pressure source (5), the end that described drainage tube (4) has side opening inserts lapping (3), the other end of drainage tube (4) is connected with negative pressure source (5), it is characterized in that: it also comprises ultrasound atomizer (1) and atomization gas ingress pipe (2), one end of described atomization gas ingress pipe (2) is connected with ultrasound atomizer (1), and the other end that atomization gas ingress pipe (2) has side opening inserts described lapping (3).
2. wound surface atomized medicine introducing according to claim 1 and negative pressure closed drainage device intermittently, it is characterized in that: the entrance pipe of the export pipeline of described ultrasound atomizer (1) and/or negative pressure source (5) is provided with check valve (7).
3. wound surface atomized medicine introducing according to claim 1 and negative pressure closed drainage device intermittently, it is characterized in that: described drainage tube (4) and atomization gas ingress pipe (2) are many, and are interspersed in lapping (3).
4. according to described wound surface atomized medicine introducing of arbitrary claim in the claim 1 to 3 and negative pressure closed drainage device intermittently, it is characterized in that: it also comprises microprocessor control unit (6), is used to control the switching and the running parameter of described ultrasound atomizer (1) and negative pressure source (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100347988A CN102133451B (en) | 2011-02-09 | 2011-02-09 | Atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces |
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| CN2011100347988A CN102133451B (en) | 2011-02-09 | 2011-02-09 | Atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces |
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| CN102133451B CN102133451B (en) | 2012-11-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104941055A (en) * | 2015-06-30 | 2015-09-30 | 秦承雪 | Trauma debridement treatment bag |
| CN105107078A (en) * | 2015-09-14 | 2015-12-02 | 中国人民解放军第四军医大学 | Pus drainage cleaning instrument for burnt wounds |
| WO2018006582A1 (en) * | 2016-07-04 | 2018-01-11 | 广东美捷威通生物科技有限公司 | Wound treatment system utilizing smart moisture and temperature control |
| WO2018006583A1 (en) * | 2016-07-04 | 2018-01-11 | 广东美捷威通生物科技有限公司 | Burn treatment system utilizing sprayer having smart moisture and temperature control |
| CN109788964A (en) * | 2016-07-26 | 2019-05-21 | 尼尔拉维有限公司 | Grumeleuse for removing occlusion grumeleuse from blood vessel fetches system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104941055A (en) * | 2015-06-30 | 2015-09-30 | 秦承雪 | Trauma debridement treatment bag |
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| WO2018006583A1 (en) * | 2016-07-04 | 2018-01-11 | 广东美捷威通生物科技有限公司 | Burn treatment system utilizing sprayer having smart moisture and temperature control |
| CN109788964A (en) * | 2016-07-26 | 2019-05-21 | 尼尔拉维有限公司 | Grumeleuse for removing occlusion grumeleuse from blood vessel fetches system |
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| CN102133451B (en) | 2012-11-21 |
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