CN104857620A - Drainage tube - Google Patents
Drainage tube Download PDFInfo
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- CN104857620A CN104857620A CN201510316330.6A CN201510316330A CN104857620A CN 104857620 A CN104857620 A CN 104857620A CN 201510316330 A CN201510316330 A CN 201510316330A CN 104857620 A CN104857620 A CN 104857620A
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- drainage tube
- elastomeric bladder
- main body
- tube according
- drainage
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Abstract
The invention relates to a drainage tube. The drainage tube is used for solving the problem that drainage tubes are prone to falling off from a brain ventricle. The drainage tube comprises an expandable elastic bladder (3), a catheter (2) and a drainage tube body (1). The elastic bladder (3) is provided with a hollow cavity; the ventricle end (5) of the drainage tube body is a closed end, and a drainage port (4) is formed close to the closed end; the elastic bladder (3) is arranged on the circumference of the drainage tube; the catheter (2) is communicated with the elastic bladder (3) and used for filling fluid into the cavity to expand the elastic bladder (3); the elastic bladder is not communicated with the drainage tube body. According to the drainage tube, the expandable elastic bladder formed in the drainage tube can limit the drainage tube inside the brain ventricle to prevent the drainage tube from falling off from the ventricle, thereby effectively avoiding accidents during a drainage process.
Description
Technical field
The present invention relates to a kind of armarium, particularly relate to a kind of drainage tube, particularly a kind of neurosurgery Special anti-skid takes off EVD pipe.
Background technology
Intraventricular hemorrhage or the hemorrhage ventricular extension of brain essence; often need row EVD; the ventricular drainage tube of current application is the drainage tube of long column shape end with side opening; this kind of drainage tube end is smooth, and along with VCSF drains external, the ventricles of the brain can reduce gradually; along with reducing of the ventricles of the brain; or under the prerequisite of external force tractive drainage tube, the end of ventricular drainage tube often can deviate from ventricular system, cause drain failure.In addition, common EVD pipe is without pressure control capability, the height that the outer drainage bottle connect of Stress control hangs decides, change due to patient head position directly can cause excessive drain or drain deficiency, drain deficiency does not have right therapeutical effect, excessive drain can cause the excessive reduction of intracranial pressure cause or increase the weight of cerebral hemorrhage, nursing staff ceaselessly must observe the height hanging drainage bottle, and the height of drainage bottle is adjusted timely according to patient head position, reach the object for the treatment of, significantly increase workload and the nursing difficulty of nursing staff; Common EVD pipe does not control the valve of flow direction, can flow out cranium other places cerebrospinal fluid adverse current and returns Intraventricular and increase infection chance because the change of the position of ICV pressure change or external ventricular drainage bottle causes in ventricular drainage tube.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of drainage tube that can prevent drainage tube end from coming off.
Another object of the present invention is to provide a kind of drainage tube that can control drain pressure.
For reaching this object, the present invention by the following technical solutions:
A kind of drainage tube, comprises expandable elastomeric bladder, conduit, drainage tube main body; Elastomeric bladder has the cavity of hollow; The ventricles of the brain end of drainage tube main body has blind end, is being provided with draining hole near blind end place; Elastomeric bladder is arranged on the periphery of drainage tube, and conduit is connected with elastomeric bladder and expands to make described elastomeric bladder (3) for injecting fluid in cavity, is not communicated with mutually between elastomeric bladder with drainage tube main body.
As a kind of preferred version, described conduit is arranged in the tube wall of drainage tube body interior, outside and/or drainage tube main body.
As a kind of preferred version, described blind end outline spherically or ellipsoid or frustum face or taper seat.
As a kind of preferred version, spherical in shape or elliposoidal or cylindrical or truncated cone-shaped or elliptical table shape after described elastic bag expanding.
As a kind of preferred version, described elastomeric bladder adopts medical silica-gel, medical latex and/or transparent silicone to make.
As a kind of preferred version, described elastomeric bladder has and is roughly columned profile before not expanding.
As a kind of preferred version, also comprise the check valve be connected with drainage tube main body.
As a kind of preferred version, described check valve comprise import, outlet and, valve block and elastic component, described elastic component is used for the elastic force being applied for closed described import to valve block.
As a kind of preferred version, described elastic component is shell fragment or spring.
As a kind of preferred version, draining hole is arranged between blind end and elastomeric bladder.
The invention has the beneficial effects as follows:
(1) by arranging expandable elastomeric bladder in drainage tube main body, carrying out spacing to drainage tube by the expansion of elastomeric bladder in the ventricles of the brain, can prevent drainage tube from deviating from from the ventricles of the brain.
(2) drainage tube main body arranges check valve, can control the pressure of drain, prevent the probability that the not enough or cerebrospinal fluid adverse current of drain excessively or outside cranium of drain returns the ventricles of the brain.
(3) ventricles of the brain end of drainage tube main body arranges blind end, and directly can insert seal wire in drainage tube main body when inserting drainage tube, drainage tube can be driven after seal wire and blind end offset to enter the ventricles of the brain, and update is convenient.
(4) drainage tube body interior is located at by conduit, conveniently imports human body; The inlet of conduit is located at the outside of drainage tube simultaneously, convenient to elastomeric bladder injection and derivation fluid.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the embodiment of the present invention, above-mentioned and other objects, features and advantages of the present invention will be more clear, in the accompanying drawings:
Fig. 1 is the perspective view in the non-expanded state of drainage tube of the present invention.
Fig. 2 is drainage device of the present invention perspective view upon inflation.
Fig. 3 is the check valve state diagram in closed state of drainage device of the present invention.
Fig. 4 is the check valve state diagram in the on state of drainage tube of the present invention.
In figure: 1-drainage tube main body; 2-conduit; 3-elastomeric bladder; 4-draining hole; 5-ventricles of the brain end; 6-check valve; 6.1-import; 6.2-valve block; 6.3-shell fragment; 6.4-outlet; 7-drain pipe.
Detailed description of the invention
Based on embodiment, present invention is described below, but the present invention is not restricted to these embodiments.In hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.In order to avoid obscuring essence of the present invention, known structure, method do not describe in detail.
Drainage tube in the present embodiment, shown in Fig. 1-2, comprise expandable elastomeric bladder 3, conduit 2, drainage tube main body 1, elastomeric bladder 3 has the cavity of hollow, the ventricles of the brain end 5 of drainage tube main body has blind end, and be provided with draining hole 4 near blind end place, elastomeric bladder 3 is fixedly installed on the periphery of drainage tube main body, conduit is connected with elastomeric bladder and expands to make described elastomeric bladder 3 for injecting fluid in cavity 5, is not communicated with mutually between elastomeric bladder with drainage tube main body.In order to ensure the smooth and easy of drain, can be arranged between blind end and elastomeric bladder by draining hole 4, draining hole can arrange multiple.
This elastomeric bladder 3 adopts flexible medical silica-gel, medical latex and/or transparent silicone to make, and has good elasticity and ductility, is free from side effects simultaneously to human body, directly can contact with tissue.Drainage tube main body 1 and conduit 2 can adopt hard gel to make, so that insert in tissue.Conduit 2 is for injecting fluid in the cavity to elastomeric bladder 3, and this fluid can be gas, also can be that liquid is as physiological saline solution etc.Drainage tube main body is not communicated with elastomeric bladder 3 mutually with conduit 2, and the fluid injected by conduit like this can not enter into drainage tube main body, has stopped the probability causing infection to patient.
In order to the brain making this drainage tube can be inserted into patient smoothly, preferably under non-expansion state, elastomeric bladder has and is roughly columned profile, can not increase extra resistance being deep into after in cerebral tissue like this.The main body of conduit is arranged the inside of drainage tube main body simultaneously, as be attached to drainage tube main body inwall on or be arranged on the inside of tube wall, the volume that can reduce drainage tube outside like this and the number of components exposed, make drainage tube more easily insert cerebral tissue inner, reduce the probability that cerebral tissue is damaged.Also conduit and drainage tube main body can be considered to be arranged side by side, and the benefit arranged like this is observation and the maintenance of being convenient to conduit and drainage tube main body, and medical personnel can observe the situation in the pipe of conduit and drainage tube main body more intuitively, and conveniently changes pipe fitting.Elastomeric bladder should have level and smooth profile upon inflation, do not have sharp keen corner angle in order to avoid damage human tissue organ, so preferably by the configuration design globulate after the expansion of elastomeric bladder or elliposoidal or cylindrical or truncated cone-shaped or elliptical table shape, as shown in Figure 2, or other there is the stereochemical structure of smooth appearance also.
In order to control the pressure of drain, prevent the situation that the not enough or cerebrospinal fluid adverse current of drain excessively or outside cranium of drain returns the ventricles of the brain, drainage tube is also provided with check valve, as shown in Figure 3,4, check valve comprise import, outlet and, valve block and elastic component, described elastic component is used for the elastic force being applied for closed described import to valve block.The import of check valve connects the liquid outlet of drainage tube main body, and outlet is connected for deriving cerebrospinal fluid with drain pipe 7.Elastic component can adopt the various ways such as shell fragment or spring or its combination.The opening pressure of check valve can be set as that at cerebrospinal pressure be 15-25cmH2O, opens under the state of preferred 20cmH2O.When the pressure of cerebrospinal fluid is lower than 20cmH2O or when having cerebrospinal fluid to backflow, under the thrust of the cerebrospinal fluid backflowed, one-way cock is closed, and when Intraventricular pressure is greater than 20cmH2O again, pressure valve will opening again.Can effectively control drain pressure like this, prevent the situation that the not enough or cerebrospinal fluid adverse current of drain excessively or outside cranium of drain returns the ventricles of the brain.
When the main part of conduit is positioned at drainage tube body interior, in order to make the operation of injection more convenient, can consider the outside inlet of conduit being arranged on drainage tube main body, the injection operation of fluid and the operation of drain can independently be carried out like this, reduce and mutually disturb.
When embody rule, the embody rule mode of this drainage tube is as follows:
Labelling EVD point of puncture, centered by point of puncture, do the straight cut of long 5cm, cut each layer successively, sphenotresia one, diameter 1cm, "+" shape after cerebral dura mater of fulgerizing is cut, and takes out drainage tube, inserts seal wire from the liquid outlet of drainage tube main body, seal wire arrives ventricles of the brain end after running through drainage tube main body, contact with the blind end of ventricles of the brain end, the toughness penetrating the entirety that improve drainage tube of seal wire, makes drainage tube can enter the ventricles of the brain very smoothly.In order to prevent the blind end of ventricles of the brain end from damaging cerebral tissue, blind end should be arranged to have round and smooth outer surface, preferred blind end outline spherically or ellipsoid or frustum face or taper seat.Slowly drainage tube is inserted according to the puncture direction designed along point of puncture, have after breaking through sense and enter 1cm again, extract seal wire, cerebrospinal fluid enters drainage tube main body through the draining hole of ventricles of the brain end, one-way valve opens during arrival certain pressure, flow out through drain pipe 7 after check valve, the drain pipe 7 of check valve is connected with external drainage device.After seeing that cerebrospinal fluid flows out, then entering 0.5cm, get 1ml syringe and collect physiological saline solution 0.5ml, can prevent drainage tube from deviating from from the ventricles of the brain by making elastic bag expanding be stuck in Intraventricular in conduit injection elastomeric bladder.Outwards tractive is to when having a resistance gently, and drainage tube is passed scalp after the subcutaneous 4cm of moving under water, and silk thread is fixed.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment and method) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known technique, well-known device structure and well-known technology are not described in detail.
Term is only for describing the object of particular example embodiment as used herein, is not intended for restrictive.As used herein, " one ", " one " and " described " of singulative also can be intended to comprise plural form, unless context explicitly points out to otherwise.Term " comprises ", " comprising ", " containing " and " having " are inclusive and therefore clearly state the existence of described feature, entirety, step, operation, element and/or parts, but does not get rid of and there is or increase one or more further feature, entirety, step, operation, element, parts and/or its combination.Method step described here, technique and operation will not be understood to inevitable requirement they with discussion or illustrative particular order be performed, the order unless expressly stated for performing.Also can adopt step that is other or that substitute by understanding.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " or " being directly coupled to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
For being easy to illustrate, such as " interior ", " outward ", " under ", " below ", " bottom ", " top ", " top " etc. space correlation term be used to the relation of an illustrative element or feature and another element or feature in description figure at this.Will be appreciated that space correlation term can be intended to comprise the equipment different orientation except the orientation described in figure in use or operation.Such as, if the equipment in figure is reversed, be then described as be in other element or feature " below " or " under " so element will be positioned in this other element or feature " top ".Thus, exemplary term " below " can comprise above and below both orientation.Equipment can otherwise be directed (90-degree rotation or be in other orientation), and space correlation descriptor should be interpreted accordingly as used herein.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a drainage tube, is characterized in that: comprise expandable elastomeric bladder (3), conduit (2), drainage tube main body (1); Elastomeric bladder (3) has the cavity of hollow; The ventricles of the brain end (5) of drainage tube main body has blind end, is being provided with draining hole (4) near blind end place; Elastomeric bladder (3) is arranged on the periphery of drainage tube, conduit (2) is connected with elastomeric bladder (3) and expands to make described elastomeric bladder (3) for injecting fluid in cavity, is not communicated with mutually between elastomeric bladder with drainage tube main body.
2. drainage tube according to claim 1, is characterized in that: described conduit (2) is arranged in the tube wall of inner, the outside and/or drainage tube main body of drainage tube main body (1).
3. drainage tube according to claim 1, is characterized in that: described blind end outline spherically or ellipsoid or frustum face or taper seat.
4. drainage tube according to claim 1, is characterized in that: spherical in shape or elliposoidal or cylindrical or truncated cone-shaped or elliptical table shape after described elastomeric bladder (3) expands.
5. drainage tube according to claim 1, is characterized in that: described elastomeric bladder (3) adopts medical silica-gel, medical latex and/or transparent silicone to make.
6. drainage tube according to claim 4, is characterized in that: described elastomeric bladder (3) has and is roughly columned profile before not expanding.
7. drainage tube according to claim 1, is characterized in that: also comprise the check valve be connected with drainage tube main body.
8. drainage tube according to claim 1, is characterized in that: described check valve comprise import, outlet and, valve block and elastic component, described elastic component is used for the elastic force being applied for closed described import to valve block.
9. drainage tube according to claim 8, is characterized in that: described elastic component is shell fragment or spring.
10. drainage tube according to claim 1, is characterized in that: draining hole is arranged between blind end and elastomeric bladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316330.6A CN104857620A (en) | 2015-06-10 | 2015-06-10 | Drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316330.6A CN104857620A (en) | 2015-06-10 | 2015-06-10 | Drainage tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104857620A true CN104857620A (en) | 2015-08-26 |
Family
ID=53904061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510316330.6A Pending CN104857620A (en) | 2015-06-10 | 2015-06-10 | Drainage tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104857620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169046A (en) * | 2020-11-19 | 2021-01-05 | 崔晓丽 | Medical treatment gynaecology is with palace chamber washing drainage device |
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| US2855934A (en) * | 1956-02-09 | 1958-10-14 | Jr William E Daughaday | Self-propelled tube |
| US4714460A (en) * | 1983-07-29 | 1987-12-22 | Reynaldo Calderon | Methods and systems for retrograde perfusion in the body for curing it of the disease or immume deficiency |
| WO2001083019B1 (en) * | 2000-04-28 | 2002-02-28 | Bioenterics Corp | Balloon catheter |
| CN201101556Y (en) * | 2007-08-22 | 2008-08-20 | 佐满珍 | Two-chamber sacculus tube for postpartum cavity hemostasis |
| US20100198139A1 (en) * | 2007-05-01 | 2010-08-05 | Scott Glickman | Catheter |
| CN201618191U (en) * | 2010-01-28 | 2010-11-03 | 赵世明 | Postoperative drainage device for brain surgery |
| CN101947122A (en) * | 2010-09-30 | 2011-01-19 | 中国人民解放军第四军医大学 | First-aid thoracic cavity closed type puncture needle |
| CN201710798U (en) * | 2010-06-20 | 2011-01-19 | 泸州医学院附属医院 | Anti-backflow drainage tube |
| CN203989418U (en) * | 2014-04-28 | 2014-12-10 | 河南科技大学第一附属医院 | A kind of modified form left heart drainage-tube |
| CN204192605U (en) * | 2014-10-23 | 2015-03-11 | 万鹏 | A kind of disposable two-chamber cerebrospinal fluid pressure measurement, drainage tube |
| CN204798599U (en) * | 2015-06-10 | 2015-11-25 | 徐增良 | Drainage tube |
-
2015
- 2015-06-10 CN CN201510316330.6A patent/CN104857620A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2855934A (en) * | 1956-02-09 | 1958-10-14 | Jr William E Daughaday | Self-propelled tube |
| US4714460A (en) * | 1983-07-29 | 1987-12-22 | Reynaldo Calderon | Methods and systems for retrograde perfusion in the body for curing it of the disease or immume deficiency |
| WO2001083019B1 (en) * | 2000-04-28 | 2002-02-28 | Bioenterics Corp | Balloon catheter |
| US20100198139A1 (en) * | 2007-05-01 | 2010-08-05 | Scott Glickman | Catheter |
| CN201101556Y (en) * | 2007-08-22 | 2008-08-20 | 佐满珍 | Two-chamber sacculus tube for postpartum cavity hemostasis |
| CN201618191U (en) * | 2010-01-28 | 2010-11-03 | 赵世明 | Postoperative drainage device for brain surgery |
| CN201710798U (en) * | 2010-06-20 | 2011-01-19 | 泸州医学院附属医院 | Anti-backflow drainage tube |
| CN101947122A (en) * | 2010-09-30 | 2011-01-19 | 中国人民解放军第四军医大学 | First-aid thoracic cavity closed type puncture needle |
| CN203989418U (en) * | 2014-04-28 | 2014-12-10 | 河南科技大学第一附属医院 | A kind of modified form left heart drainage-tube |
| CN204192605U (en) * | 2014-10-23 | 2015-03-11 | 万鹏 | A kind of disposable two-chamber cerebrospinal fluid pressure measurement, drainage tube |
| CN204798599U (en) * | 2015-06-10 | 2015-11-25 | 徐增良 | Drainage tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169046A (en) * | 2020-11-19 | 2021-01-05 | 崔晓丽 | Medical treatment gynaecology is with palace chamber washing drainage device |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150826 |