CN103877671A

CN103877671A - Drainage device for intracranial hematoma cranium drilling

Info

Publication number: CN103877671A
Application number: CN201410093763.5A
Authority: CN
Inventors: 张波
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-13
Filing date: 2014-03-13
Publication date: 2014-06-25
Anticipated expiration: 2034-03-13
Also published as: CN103877671B

Abstract

A drainage device for intracranial hematoma cranium drilling is characterized by comprising a double-cavity catheter, a drainage tube, a dredging balloon, a drainage bag and a reverse flowing prevention tee joint. The double-cavity catheter is provided with a first tube cavity and a second tube cavity, wherein the first tube cavity and the second tube cavity are mutually isolated, the first tube cavity is used for drainage and connected with the drainage tube, and the second tube cavity is used for medicine injection and flushing and connected with an injection tube. The double-cavity catheter is arranged, so that drainage, flushing, and medicine injection are performed in different channels, it is guaranteed that the channels are kept sanitary and clean, and intracranial infection is prevented. The reverse flowing prevention tee joint is used for preventing hydrops from flowing reversely so that secondary infection and danger can be prevented. Scales are arranged on the drainage tube and the drainage bag, the dredging balloon is connected with an air pressure adjusting assembly, and the scales and the air pressure adjusting assembly are arranged, so that it is avoided that the operation force can not be mastered due to insufficient experience, and operation stability is improved. In addition, the drainage device is further provided with a dropping bottle and the dredging balloon, so that the channels are convenient to observe and prevented from being blocked.

Description

Intracranial hematoma is bored cranium drainage system

^[technical field]

The present invention relates to medical apparatus and instruments, particularly a kind of intracranial hematoma is bored cranium drainage system.

[background technology]

Cerebral hemorrhage is the high disease of a kind of case fatality rate.Number of the infected is in rising trend in recent years, and age of onset is more and more rejuvenation also.Cerebral hemorrhage not only case fatality rate is high, and disability rate also shelter have the first place of brain class disease.A small amount of cerebral hemorrhage can adopt internal medicine conservative treatment, and for being greater than 30ml on curtain, the treatment that is greater than the cerebral hemorrhage of 10ml under curtain is the important topic of neurosurgery research always.As the microsurgery, the endoscopic surgery etc. that remove the decompression of DAGU lobe, DAGU window, small bone flap craniotomy and in recent years carry out.Though existing these methods can be removed intracranial hematoma under direct-view, but its damage is large, post-operative complication is many.In addition, Patients With Hypertensive Cerebral Hemorrhage is in the majority with middle-aged and elderly people.Middle-aged and elderly people is due to weak and should not implement general anesthesia, operation of opening cranium etc.

Along with going deep into of Wicresoft's theory, intracranial hematoma microtrauma puncture technology has obtained extensive popularization.At present, operation method mainly contains soft passage and hard passage.Though its method is not quite similar, its Wicresoft, quick, easy, effective, thereby reaction effect is good.Confirm through national multicenter, randomized control study, microtrauma puncture evacuation of hematoma treatment cerebral hemorrhage is better than surgery operation of opening cranium treatment and simple internal medicine conservative treatment.For hard passage operation method, because it is not dodged cerebral tissue fibre bundle and cerebral blood vessel, thereby it is larger to cause damage, has bleeding risk again, and its easy artifact that produces in image check, therefore adopts hard passage method to reduce gradually.Along with technological improvement, soft passage is developed gradually.Existing soft passage drainage tube mostly is silica gel tube, its end is cecum, on its sidewall, be provided with multiple side openings in order to drain, because its end is round and smooth thereby damaging less to brain when cerebral tissue and nerve fiber are played to centrifugation, also can dodge blood vessel, when image check, without artifact, thereby it is more accurate to put pipe.

Drainage system is the necessary apparatus of intracranial hematoma trepanation and drainage art, and at present, drainage tube used is mainly ventricular drainage tube clinically, its side opening is thin, side opening is few, distribution distance is short, easily cause conduction hole obstruction, inadequate drainage, as at long axis direction puncture drainage, because side opening arrangement is always apart from too short, thus fully drain.In addition, existing drainage system does not all have flow control valve, after putting and managing successfully, because of the intrinsic pressure height of brainpan, and extracting force when drain is held by doctor conventionally, if doctor puncture is lacked experience, dynamics control is bad, just easily cause again hemorrhage and injured brain tissue because suction force is excessive, thereby and drain easily cause that Reducing Intracranial Pressure easily causes hemorrhage or cerebral hernia too soon when too fast.Doctor is for preventing this from occurring the direct folder drainage tubes such as conventional mosquito forceps, and this mode easily causes that drainage tube is damaged or ruptures, and need newly put pipe, causes patient's wound again.On the other hand, existing drainage tube is for being generally single chamber, and drain, flushing, injection all must be carried out in single tube chamber, thereby easily drain, air etc. are refilled to brainpan and cause retrograde infection.In addition, owing to there is no special dredging pipeline, when dredging, can only not stop to push drainage tube, thereby in extrusion process, likely pull out drainage tube or cause drainage tube to break, have potential safety hazard.On the other hand, on existing drainage tube, there is no scale, it can not accurately understand intracranial pressure situation.And when existing Encephalic drainage, drop bottle 50 is not set, when observation, can only, by there being ripple disable to understand in drainage tube, in drainage tube, fluctuates not obvious dyschezia to find whether have drain to flow out, and can not intuitively understand drainage speed.

[summary of the invention]

The present invention is intended to address the above problem, and provides one can make drain, flushing and injection separately carry out, also can prevent that hydrops from flowing backwards, and can conveniently monitor and grasp the intracranial hematoma brill cranium drainage system of taking out drainage speed and drainage flow.

For achieving the above object, the invention provides a kind of intracranial hematoma and bore cranium drainage system, it is characterized in that, this drainage system comprises double channel catheter, drainage tube, dredging sacculus, drainage bag and counterflow-preventing threeway: described double channel catheter have mutual isolation for the first tube chamber of drain hydrops with for the second tube chamber of injection and flushing; One end sealing of this double channel catheter, its sidewall is provided with the side opening that connects its sidewall, and the other end of double channel catheter is link; One end of described drainage tube is connected with described the first tube chamber by counterflow-preventing threeway, and its other end is connected with drainage bag, which is provided with pressure measurement scale; Described dredging sacculus is located on the double channel catheter or drainage tube that hydrops flows through, and it prevents that for dredging pipeline hydrops from blocking the first tube chamber or drainage tube; Described drainage bag is provided with volume scale, on described drainage bag, is provided with porus excretorius; Described counterflow-preventing threeway is connected between described the first tube chamber and drainage tube, its for regulate drain hydrops flow and/flow velocity, and prevent that hydrops from blowing back in brainpan.

Described double channel catheter is provided with the first lumen extension tube being communicated with the first tube chamber one, and described dredging sacculus is located on this first lumen extension tube.

Described double channel catheter is pipe, and described the first tube chamber is coaxial with it, and described the second tube chamber is located between the outer wall of described double channel catheter and the inwall of the first tube chamber, and the end of this second tube chamber departs from described double channel catheter and forms injection head.

The external diameter of described double channel catheter is 5mm-5.5mm, and the diameter of described the first tube chamber is 3mm-4.0mm.

The front end of described double channel catheter is provided with the deep calibration that can develop under x-ray, stretches into the degree of depth in brainpan for measuring it.

On the sidewall of described double channel catheter, be interval with the fiber that density is different from double channel catheter, the fiber at this interval forms described deep calibration.

Between described drainage tube and described drainage bag, be connected with drop bottle.

Described dredging sacculus is enlarged into hollow sphere and is formed by a part for the first lumen extension tube 15, or for being connected to the hollow cystidium on the first tube chamber.

In described counterflow-preventing threeway, be provided with ball valve assembly, this ball valve assembly comprises the first baffle plate, second baffle and the spring support that space arranges, described the first baffle plate with on second baffle, be provided with relative through hole, between the first baffle plate and second baffle, be provided with the ball valve that can withstand described through hole, this ball valve is connected with the spring support in the first baffle plate or second baffle outside by spring.

The useful contribution of the present invention is, it efficiently solves the problems referred to above.The present invention, by double channel catheter is set, can carry out respectively drain and flushing and injection in different pipelines, manage special, thereby can ensure the clean hygiene of pipeline, prevent intracranial infection.The present invention is by various scales and Pressure gauge are set, thereby can intuitively observe various surgical parameters, can avoid cannot grasping operation dynamics because lacking experience.The present invention is provided with counterflow-preventing threeway, and it can regulate drainage speed and drainage flow automatically, and can prevent that hydrops from flowing backwards, and avoids infecting once again and dangerous generation.The present invention is provided with dredging sacculus, can pass through to push this dredging sacculus and dredging pipeline, prevents that drainage tube or double channel catheter from stopping up.The present invention is provided with drop bottle 50, can conveniently observe drain situation, and can play counterflow-preventing effect to a certain extent.The present invention have the line clogging, drainage speed of minimizing effective, can prevent the features such as hydrops refluence, safety and sanitation.

^[brief description of the drawings]

Fig. 1 is structural representation of the present invention.

Fig. 2 is the partial enlarged drawing of A in Fig. 1.

Fig. 3 is the cross sectional representation of double channel catheter of the present invention.

Fig. 4 is the structural representation of counterflow-preventing threeway of the present invention.

Wherein, double channel catheter 10, the first tube chamber 11, the second tube chamber 12, side opening 13, deep calibration 14, the first lumen extension tube 15, injection head 16, drainage tube 20, pressure measurement scale 21, interface 22, drainage bag 30, volume scale 31, porus excretorius 32, dredging sacculus 40, drop bottle 50, counterflow-preventing threeway 60, the first baffle plate 61, second baffle 62, ball valve 63, spring 64, spring support 65.

[detailed description of the invention]

The following example is that the present invention is further explained and supplemented, and the present invention is not constituted any limitation.

As shown in Figure 1 to 4, intracranial hematoma of the present invention is bored cranium drainage system, comprises double channel catheter 10, drainage tube 20, syringe, dredging sacculus 40, drainage bag 30 and counterflow-preventing threeway 60.

As shown in FIG. 1 to 3, described double channel catheter 10 is rounded cylindrical body, and its one end sealing is cecum, and its other end is link.On the sidewall of the cecum of described double channel catheter 10, be interval with some side openings 13, it is for drain.Described side opening 13 is circular port, and it specifically arranges according to the different situations of puncture, and its total distance is 2～5cm.For example, for major axis puncture, its total distance can be set to 4cm, and the front end 4cm place of described double channel catheter 10 is all interval with side opening.For minor axis puncture, its total distance can be set to 2cm.Described double channel catheter 10 has the first tube chamber 11 and second tube chamber 12 of mutual isolation, and described the first tube chamber 11 is connected with drainage tube 20, for drain intracranial hydrops.Described the second tube chamber 12 is connected with syringe, for to intracranial injection liquid medicine and flushing.Described the first tube chamber 11 is coaxial with described double channel catheter 10, and its end is provided with the first lumen extension tube 15 of one with it, and it is connected with described drainage tube 20 by counterflow-preventing threeway.Described the second tube chamber 12 is located between the lateral wall of described double channel catheter 10 and the medial wall of the first tube chamber 11, and its end departs from described double channel catheter 10 and stretches out and form injection head 16.By the first tube chamber 11 and second tube chamber 12 of space are set, drain and flushing and injection can be carried out respectively in different pipelines, manage special, be beneficial to drainage wash, prevent that tube chamber from stopping up, and tamper in pipe can not pushed to intracranial again, form infection or obstruction source, thereby can ensure the clean hygiene of pipeline, prevent intracranial infection.The external diameter of described double channel catheter 10 is 5mm-5.5mm, and the diameter of described the first tube chamber 11 is 3mm-4.0mm.In the present embodiment, preferably the external diameter of double channel catheter 10 is 5mm, and the diameter of the first tube chamber 11 is 4mm.Because the second tube chamber 12 is the loculuses that form in wall, its wall is thin, in the time not injecting, because intracranial pressure effect can press off naturally, prevents from flowing backwards and stopping up.The degree of depth that during for ease of puncture, convenient understanding conduit thrusts intracranial, is provided with the deep calibration 14 that can develop at X-ray card at the front end of described double channel catheter 10.The characteristic of developing according to X-ray, on the sidewall of described double channel catheter 10, be interval with the fiber that density is different from double channel catheter 10, the fiber at this interval just plays scale effect under X-ray, when operation, use relevant equipment just can clearly see the deep calibration 14 being formed by fiber, so that the degree of depth of understanding puncture directly perceived.

For ease of preventing line clogging, and be convenient to dredging pipeline, on described the first lumen extension tube 15 or drainage tube 20, be provided with dredging sacculus 40.In the present embodiment, it is located on the first lumen extension tube 15 of double channel catheter 10.This dredging sacculus can be enlarged into hollow sphere and be formed by a part for the first lumen extension tube 15, or an elastic hollow cystidium that has being connected on the first lumen extension tube 15.In the time that drainage tube or double channel catheter stop up, or when inadequate drainage, can press this dredging sacculus 40 and change manifold pressure, reach the object of dredging pipeline.

As shown in Figure 1, described drainage tube 20 is for drain hydrops.Its one end is provided with interface 22, for being connected with the first lumen extension tube 15.The shape of described interface 22 and the first lumen extension tube 15 matches.For ease of understanding drainage tube 20 internal gas pressure situations, on described drainage tube 20, be provided with pressure measurement scale 21.For preventing hydrops blocking pipe, described drainage tube 20 can be selected thicker pipeline, and its length can arrange as required.

As shown in Figure 1, described drainage bag 30, for holding the hydrops from drawing in brainpan, is provided with porus excretorius 32 in its bottom.For ease of understanding drainage flow directly perceived, on described drainage bag 30, be provided with volume scale 31.Described drainage bag 30 can be arranged to various ways as required, and described volume scale 31 also can arrange different scales as required.

For ease of observing drain situation, between described drainage tube 20 and described drainage bag 30, be provided with the transparent drop bottle 50 being attached thereto.This drop bottle 50 can be selected known drop bottle 50.In addition,, because drop bottle 50 cross sections are greater than drainage tube 20 cross sections, it also can play counterflow-preventing effect.

As shown in Figure 1, for preventing that hydrops from flowing backwards, described drainage tube 20 is connected by counterflow-preventing threeway 60 with the first lumen extension tube 15.As shown in Figure 4, these counterflow-preventing threeway 60 inside are provided with spool, its can be by rotation conducting wherein any two logical.In the passage of flowing through at the interior hydrops of counterflow-preventing threeway 60, be provided with ball valve 63 assemblies, these ball valve 63 assemblies comprise the first baffle plate 61, second baffle 62, spring support 65, spring 64 and ball valve 63.Described the first baffle plate 61 arranges with second baffle 62 and spring support 65 intervals, and wherein second baffle 62 is between the first baffle plate 61 and spring support 65.Described the first baffle plate 61 matches with the shape of second baffle 62 and the interior shape of second channel.On described the first baffle plate 61 and second baffle 62, be equipped with through hole, so that hydrops circulation.The first baffle plate 61 is relative with the lead to the hole site on second baffle 62, and it is all positioned at the center of baffle plate.Described ball valve 63 is located between the first baffle plate 61 and second baffle 62, and its diameter is less than the distance at interval between the first baffle plate 61 and second baffle 62, and is greater than the distance of described through hole.One end of described ball valve 63 and spring 64 is fixing, and the other end of this spring 64 is on affixed and described spring support 65.On the inwall of the affixed and described second channel of described spring support 65.According to siphon principle (Encephalic drainage carries out based on siphon principle), in drain process, if it is too high that drainage bag position is adjusted, if lack anti-backflow device, hydrops can flow backward in brainpan, and because the present invention is provided with ball valve 63 assemblies, in the time that drainage bag height adjustment is too high, spring 64 under suction force effect and stretch, keeps out on the through hole of the first baffle plate 61 ball valve 63, prevents that hydrops from flowing backward in brainpan.And when drainage bag or drainage bottle height adjustment are when too low, spring 64 is under suction force effect and compress, ball valve 63 is kept out on the through hole of second baffle 62, to change pressure reduction, buffering is adjusted drainage speed and drainage flow, prevent that suction force is excessive and drain is too fast, thereby can realize the object of automatic adjusting drainage speed and drainage flow, and prevent hydrops adverse current.

By this, the present invention, by double channel catheter is set, can carry out respectively drain and flushing and injection in different pipelines, manage special, thereby can ensure the clean hygiene of pipeline, prevent intracranial infection.The present invention is by various scales and Pressure gauge are set, thereby can intuitively observe various surgical parameters, can avoid cannot grasping operation dynamics because lacking experience.The present invention is provided with counterflow-preventing threeway, and it can regulate drainage speed and drainage flow automatically, and can prevent that hydrops from flowing backwards, and avoids infecting once again and dangerous generation.The present invention is provided with dredging sacculus, can pass through to push this dredging sacculus and dredging pipeline, prevents that drainage tube or double channel catheter from stopping up.The present invention is provided with drop bottle 50, can conveniently observe drain situation, and can play counterflow-preventing effect to a certain extent.

Although the present invention is disclosed by above embodiment, scope of the present invention is not limited to this, is not departing under the condition of the present invention's design, and the similar or equivalent element that above each member can be understood with affiliated technical field personnel is replaced.

Claims

1. intracranial hematoma is bored a cranium drainage system, it is characterized in that, this drainage system comprises:

Double channel catheter (10), its have mutual isolation for first tube chamber (11) of drain hydrops with for second tube chamber (12) of injection and flushing; One end sealing of this double channel catheter (10), its sidewall is provided with the side opening (13) that connects its sidewall, and the other end of double channel catheter (10) is link;

Drainage tube (20), its one end is connected with described the first tube chamber (11) by counterflow-preventing threeway (60), and its other end is connected with drainage bag (30), which is provided with pressure measurement scale (21);

Dredging sacculus (40), it is upper that it is located at double channel catheter (10) or drainage tube (20) that hydrops flows through, and it prevents that for dredging pipeline hydrops from blocking the first tube chamber (11) or drainage tube (20);

Drainage bag (30), which is provided with volume scale (31), is provided with porus excretorius (32) on described drainage bag (30);

Counterflow-preventing threeway (60), it is connected between described the first tube chamber (11) and drainage tube (20), its for regulate drain hydrops flow and/flow velocity, and prevent that hydrops from blowing back in brainpan.

2. intracranial hematoma as claimed in claim 1 is bored cranium drainage system, it is characterized in that, described double channel catheter (10) is provided with the first lumen extension tube (15) being communicated with the first tube chamber (11) one, and described dredging sacculus (40) is located on this first lumen extension tube (15).

3. intracranial hematoma as claimed in claim 2 is bored cranium drainage system, it is characterized in that, described double channel catheter (10) is pipe, described the first tube chamber (11) is coaxial with it, described the second tube chamber (12) is located between the outer wall of described double channel catheter (10) and the inwall of the first tube chamber (11), and the end of this second tube chamber (12) departs from described double channel catheter (10) and forms injection head (16).

4. intracranial hematoma as claimed in claim 3 is bored cranium drainage system, it is characterized in that, the external diameter of described double channel catheter (10) is 5mm-5.5mm, and the diameter of described the first tube chamber (11) is 3mm-4.0mm.

5. intracranial hematoma as claimed in claim 4 is bored cranium drainage system, it is characterized in that, the front end of described double channel catheter (10) is provided with the deep calibration (14) that can develop under x-ray, stretches into the degree of depth in brainpan for measuring it.

6. intracranial hematoma as claimed in claim 5 is bored cranium drainage system, it is characterized in that, on the sidewall of described double channel catheter (10), be interval with the fiber that density is different from double channel catheter (10), the fiber at this interval forms described deep calibration (14).

7. intracranial hematoma as claimed in claim 6 is bored cranium drainage system, it is characterized in that, between described drainage tube (20) and described drainage bag (30), is connected with drop bottle (50).

8. intracranial hematoma as claimed in claim 7 is bored cranium drainage system, it is characterized in that, described dredging sacculus (40) is enlarged into hollow sphere and formed by a part for the first lumen extension tube 15, or for being connected to the hollow cystidium on the first tube chamber.

9. intracranial hematoma as claimed in claim 8 is bored cranium drainage system, it is characterized in that, in described counterflow-preventing threeway (60), be provided with ball valve (63) assembly, this ball valve (63) assembly comprises the first baffle plate (61) that space arranges, second baffle (62) and spring support (65), be provided with relative through hole at described the first baffle plate (61) with on second baffle (62), between the first baffle plate (61) and second baffle (62), be provided with the ball valve (63) that can withstand described through hole, this ball valve (63) is connected with the spring support (65) in the first baffle plate (61) or second baffle (62) outside by spring (64).