CN110013595A - A kind of drainage device with micro injection and hemotoncus air emptying function - Google Patents

Abstract

The present invention relates to medical equipment technical fields, for intracerebral hematoma there is Microinjection of Drugs Into and hemotoncus to empty the drainage device of dual function to be a kind of, the drain age-tube device is by micro injection tubule, hemotoncus empties drainage tube, " fore-telling " font connection valve, extend connecting pipe, auxiliary punctures metal die five seperated component compositions, it is applicable to operate under stereotactic apparatus, the drainage device has production easy to produce simultaneously, clinical manipulation is simple, and safety it is guaranteed the advantages that, the purpose through micro injection tubule injection of medicine and hemotoncus emptying drainage Tube Drain hemotoncus can be achieved, make up deficiency and drawback present in existing drainage device and related patents technology, by reducing infection risk, reduce bleeding chance again, encephalic part occupation time process is not further aggravated, realize that nervous function smoothly restores and reduce health care costs purpose, most Patients with cerebral hemorrhage is set to be benefited eventually.

Description

A kind of drainage device with micro injection and hemotoncus air emptying function

Technical field

The present invention relates to medical equipment technical fields, for intracerebral hematoma there is Microinjection of Drugs Into and hemotoncus to arrange to be a kind of The drainage device of empty dual function.

Background technique

Hypertensive cerebral hemorrhage, cerebrovascular malformation rupture haemorrhage, ruptured intracranial aneurysm are that intracerebral hematoma is caused to be formed Common cause, wherein hypertensive cerebral hemorrhage includes, curtain in the majority with basal ganglia hematomas on curtain on curtain and the bleeding of curtain lower portion Lower hemotoncus includes brain stem and cerebellar hemorrhage, and with social development, people's lives mode and dietary structure change, and the disease is fallen ill at present Rate occupy always high-order, and age of onset has gradually rejuvenation trend, seriously threatens people's health and increases social economy and bears Load, at present for the intracerebral hematoma patient with surgical indication, using traditional craniotomy and clot aspiration, wherein minimally invasive hemotoncus Catheter drainage is suitable for hypertensive cerebral hemorrhage especially, since it has many advantages, such as that wound is small, health care costs are low, the period of being hospitalized is short, Especially with the universal of horseley-Clarke technique, which is gradually used by more and more neurosurgical doctors.

Widely used hemotoncus drainage device clinical at present is a single-chamber drainage tube only with single drainage function, generally in After being placed in drainage tube in art, row part constituents in blood in art, intracerebral remains hemotoncus need to be postoperative to dilute urokinase solution through standard Three-way valve injects intracerebral hematoma after folder closes one section of drainage tube from drainage tube and is discharged again through drainage tube after hemotoncus liquefacttus, But this mode suffer from the drawback that firstly, from drainage tube inject urokinase solution when, often one drawn in drainage tube Part hemotoncus or air inject back intracerebral again again, cause artificial property hemotoncus, air inversion, on the one hand increase infection risk, separately One side urokinase solution is mixed with liquid hemorrhagic in drainage tube, reduces urokinase concentration, and dissolution hemotoncus effect decline often needs Multiple injection urokinase, operation increase, and incident is to further increase intracranial infection risk；Secondly, being placed in general art After flow tube, draws and be fixed again after drainage tube being moved under water a distance from hypodermic tunnel by notch, then external triple valve And drainage tube bottle/bag, there are about 25-35cm distance, used drainage tubes from triple valve to intracerebral hematoma target spot for general drainage tube Internal diameter is generally 2-3mm, when carrying out injection urokinase solution, practical urokinase solution amount=actual injection amount-drainage in hemotoncus Pipe content accumulated amount, clinically for urokinase in hemotoncus need to be increased by the single injection amount of urokinase up to projected dose and concentration, but Intracerebral occupation time process is on the one hand aggravated in this way, artificial property increased intracranial pressure is caused, especially for hemorrhage of brain stem patient, even if more 1-2ml capacity out can also generate serious adverse effect, and on the other hand, excessive urokinase solution will cause urokinase solution It is easily spread along drainage tube puncture path, aggravates puncture path bleeding risk, further jeopardize patient vitals' safety；Finally, more than being based on Two o'clock, either increase urokinase access times or increasing urokinase dosage, will increase health care costs, it is unnecessary to cause Waste.

In addition to above-mentioned current single-chamber drainage tube there are the drawbacks of, inquired in recent years with the present invention have similar structures or function Also there are some shortcomings, such as Application Number (patent): a kind of encephalic of CN200820225207 in the Chinese patent technology of energy authorized Drainage tube, Application Number (patent): a kind of Y-shaped intracalvarium drainage tube of CN200820172031, Application Number (patent): CN201120294982 is subacute, chronic subdural hematoma drainage tube, Application Number (patent): CN201410093763 encephalic blood It is swollen to bore cranium drainage device, Application Number (patent): a kind of Multifunctional intracranial drainage pipe of CN201520387907, Application Number (patent): A kind of novel intracranial hematoma drainage tube of CN201520968797, Application Number (patent): a kind of chronic dura mater of CN201521092643 Lower hematoma drainage tube, Application Number (patent): a kind of multi-functional intracerebral hematoma drain tube containing how sub- pipe of CN201820428214, on It is as follows to state patent Shortcomings place:

1, the hemotoncus drainage channel in drainage tube described in above-mentioned patent and injection channel are the integrated design, injection channel and blood Swollen drainage channel forms similar Y-shaped branched structure in drainage tube tail end, under stereotaxis of being expert at when intracerebral hematoma puncture, because Circular hole insert limits in stereotactic apparatus guide holder and position-arresting device, causes the drainage tube in above-mentioned patent not applicable, can not be complete It at surgical procedure, such as passes through and tests puncture, precision can not compare favourably with intracerebral hematoma puncture under stereotaxis, and which limit upper State the application range of drainage tube in patent.

2, it is conventional that drainage tube is dived from hypodermic tunnel by notch when current intracranial hematoma row external drainage art needs indwelling drainage tube It is drawn after row a distance, can effectively reduce intracranial infection rate, having a large amount of learned publications confirms this theory, equally because above-mentioned Drainage tube is Y-shaped embranchment Design in patent, is not easy to draw after moving under water a distance from hypodermic tunnel, if grasped by force Make, often aggravate scalp injury, increase Infection probability instead, such as drainage tube is directly led out from operative incision, fixed effect Bad, the postoperative drainage pipe generation external return position possibility of encephalic is big, equally increase infection chance.

3, restriction is not made to medicine-pouring pipe caliber in above-mentioned patent to require, only regard injection pipe applications merely, lack Micro injection theory and viewpoint.

4, it separates the design of flow tube side opening in the middle part of above-mentioned patent to owe rationally, non-considered critical drains side opening from drainage tube head end Start-stop range, hemotoncus relatively small for hemotoncus diameter range, such as hemorrhage of brain stem, side opening start-stop range is as without limitation, closely Tail end side opening range is often positioned in except hemotoncus, is unfavorable for injection and drainage, and bleeding is general again for induction intracerebral in operating process Rate increases.

5, the opening that medicine-pouring pipe tail end is connected with syringe in above-mentioned patent is sealed simply by latex head or simple rubber plug Stifled, water, gas tightness are poor, and do not refer to or can not achieve the emptying medicine-pouring pipe pipe intracavity gas before cranium built-in pipe in specification And sterile liquid tube sealing, increase Infection probability.

6, patent is compared, Application Number (patent): a kind of Y-shaped intracalvarium drainage tube of CN200820172031, in addition to above-mentioned Deficiency, has one-way valve in the drainage tube, and in clinical practice operating process, intracerebral hematoma is natively with blood clot Main, Self-discharged possibility is minimum, need to carry out dissolution hemotoncus by hemotoncus intracavitary administration drug, is fluctuated and is pressed by brain tissue Power difference promotes liquefaction hemotoncus discharge, such as in unidirectional valve is arranged in drainage tube, is more unfavorable for hemotoncus emptying drainage.

7, patent is compared, Application Number (patent): a kind of multi-functional intracerebral hematoma containing how sub- pipe of CN201820428214 is drawn Flow tube, there are still some problems when actual implementation, and in addition to insufficient with above-mentioned 1-5 point, there are also following shortcomings: firstly, the design Comprising major parts such as general pipeline, a plurality of sub-canals, inner manifold sheath, general pipeline tail end driving lever, nuts, manufacturing process is relative complex, Especially inner manifold jacket structure, it is ensured that sub- pipe slides inside it, it is desirable that precision is higher；Secondly, being mentioned in the specification And general pipeline, sub- tubing matter can be silicon rubber, be soft material, when clinical practice operates, make soft sub- pipe soft total Its process of smoothly stretching in sheath inside pipe is not necessarily smooth, is such as changed to hard material, in operating process no matter son pipe or General pipeline has exacerbation cerebral injury may；Again, according to described in specific implementation process in the patent specification, pass through the flexible note of sub- pipe Medicine, rotation general pipeline adjust injection direction, and repetitive operation above-mentioned steps carry out hemotoncus dissolution, this operation is grasped depending under in blind by rule of thumb Make, probably due to son pipe stretches repeatedly and general pipeline rotation damage blood vessel draws secondary bleeding in operating process；In addition, mentioned Drug be that urokinase and A Pu replace enzyme, when clinical practice operates, such drug need to generally stop at least 30-60 in haematoma cavity Minute can just give full play to hemotoncus dissolution, such as repeat rotation general pipeline, sub- pipe injection, wait course of dissolution, spend operation Time overlength；In addition to this, plurality of specifications general pipeline described in the patent and sub- pipe quantity are with wherein four sub- pipe cooperation outer diameters For 6.5mm general pipeline, referring to other clinical category intracranial drainage tube specifications at present, general drainage tube wall thickness is 0.5-1mm range, This example drainage tube cavity diameter should be 4.5-5.5mm, the four strip pipe of inner cavity domestic demand indwelling and with sub- pipe to the sheath of cooperation, cause Hematoma drainage tube inner cavity is meticulous, is unfavorable for hemotoncus drainage, is such as satisfied with inner cavity to obtain hemotoncus drainage, it is straight certainly will to increase drainage tube Diameter does not meet minimally invasive theory in this way；Finally, referring to drawing in the design instruction according to whether postoperative check head CT result is pulled out Flow tube, as such as still needed to the device and carrying out injection, aseptic and airtightness need quotient when hemotoncus residual is still more or has secondary bleeding It discusses.

Summary of the invention

In order to solve clinically single drain age-tube device and above-mentioned institute's granted patent present in the intracerebral hematoma drainage process Deficiency and drawback, the present invention designs a kind of stereotactic apparatus that is suitable for and assists lower intracerebral hematoma puncture, and has micro-injection The drainage device of drug and hemotoncus air emptying function, the drainage device have production easy to produce, and clinical manipulation is simple, and safety The advantages that guaranteed, implements micro-injection theory in operating process, realizes intracerebral blood through injection tubule micro in the drainage device Swollen micro-injection purpose guarantees hemotoncus solute effect, and the hemotoncus for drawing dissolution through hemotoncus emptying drainage tube reaches therapeutic purposes, By using the drainage device and technical solution, unnecessary times of injecting drug and excessive dose can be reduced, to reduce infection wind Danger avoids human factor from increasing intracerebral occupation time process, reduce bleeding chance again, realizes that nervous function smoothly restores and reduce doctor It treats and spends purpose, patients with cerebral hemorrhage is finally made to be benefited.

The present invention is designed as technical solution used by solving above-mentioned insufficient and drawback

1, a kind of drainage device with micro injection and hemotoncus air emptying function, the drainage device is by micro injection tubule, blood Swollen emptying drainage tube, " fore-telling " font connection valve extend connecting pipe, auxiliary puncture metal die five seperated component compositions；

It, can be first to cranium when the drainage device uses the purpose of seperated design to be that row stereotactic apparatus assists lower intracerebral hematoma puncture It is built into drainage tube, and can be combined again with other component from after hypodermic tunnel extraction, surgical procedure is not influenced.

2, the micro injection tubule is a hollow tubule, and head end is lumen open, and tail end is " head of a nail " structure, " head of a nail " central point has an aperture, and is connected to micro injection tubule lumen, and aperture is consistent with lumen, and length is emptied according to intracerebral Drainage length of tube is used cooperatively；

The micro injection tubule should be a matter firmly and have certain suppleness and can do and is not broken greater than 90 degree of bendings Hollow tubule facilitates in surgical procedure and is placed in；

Under the premise of guaranteeing safety, smooth injection, the micro injection tubule outer diameter is as small as possible, slightly first occupies hemotoncus excessively Drainage tube luminal space is emptied, hemotoncus drainage is influenced, second dilutes drug concentration, reduce hemotoncus solute effect；

The micro injection tubule lumen is superfine, and lumen internal capacity is small, it can be achieved that practical urokinase solution amount ≈ in hemotoncus Actual injection amount.

3, the hemotoncus empties drainage tube, and material is made of silica gel, has certain elasticity, and head end is a mellow and full cecum, There is 3-5 oval side opening after cecum within the scope of 1-2mm to 10-15mm, is evenly distributed along tube wall periphery and up and down, tail end one Open interface, for intracerebral different parts hemotoncus, hemotoncus form, quantity of hematoma, which can have different size, and the purpose is to make Drainage tube side opening is fully wrapped around by hemotoncus, and is located at hemotoncus central axis as far as possible, realizes optimum position drainage.

4, described " fore-telling " the font connection valve divides main pipeline and lateral, and main pipeline head end and hemotoncus empty drainage tube tail end The docking of interface row elastic dilatation, near caudal end part have switch valve, control hemotoncus emptying drainage tube folding, and main pipeline caudal end has Screw thread is connected with the drainage bottle/bag row spiral with standard interface, and lateral is located at the side of main pipeline near head end, and in Intersect at 22mm with main pipeline after main pipeline head end, the two angle is 30-40 degree, and the cylindrical expansion of tail end lumen inside has spiral shell Line, " fore-telling " font connection valve purpose of design are to provide load of plugging into for micro injection tubule, hemotoncus emptying drainage tube, extension connecting pipe Body forms the drainage device.

5, the extension connecting pipe is a hollow pipeline, and one section of lumen periphery of near head end has thread, with connection valve point The intracavitary screw thread of cylindrical tube described in branch pipe(tube) carries out spiral linking, and the purpose is to " head of a nail " structures described in fixation, extends connecting pipe tail End also has thread, is connected with standard heparin cap.

6, the auxiliary punctures metal die and is made of core handle and core, the length of specification and hemotoncus emptying drainage tube and Internal diameter matches, and guarantees the accuracy in hemotoncus emptying drainage tube puncture direction when row operation.

7, the micro injection tubule head end is placed in from the cylindric lumen of connection valve lateral to main pipeline head end direction, Final micro injection tubule head end is up to when side opening plane, tail end " head of a nail " structure is answered at hemotoncus emptying drainage tube caudal part first It is located exactly at lateral cylindrical tubes bottom of chamber portion, the extension connecting pipe is screwed at this time, " head of a nail " structure is fixed, External standard heparin cap, when with syringe from calparine cap medicine injection, drug is through extending connecting pipe, " head of a nail " central point aperture To micro injection tubule lumen, after then reaching at hemotoncus emptying the first side opening of drainage tube caudal part, medical fluid through along tube wall periphery and on Under the side opening that is evenly distributed diffuse to perihematoma region, reach through micro injection tubule injection of medicine and hemotoncus emptying drainage Tube Drain blood Swollen purpose.

It is required that micro injection tubule head end only reaches at the first side opening of drainage tube caudal part, it is too long when pipe to prevent from setting at present Micro injection tubule is pierced by from side opening to outside drainage tube, leads to pull out micro injection tubule damage brain tissue when drainage tube.

Beneficial effects of the present invention

Present invention design can cooperate stereotactic apparatus to use, it is ensured that the accuracy of puncture target spot is installed perfect to drainage device Afterwards, through injection tubule injection micro in the drainage device, dosage and concentration of the drug in haematoma cavity can be accurately controlled, and is led to Cross rationally design drainage tube side opening position guarantee hemotoncus dissolution and drainage effect, thus reduce by multiple injection, hemotoncus and Infection and bleeding risk, while microscopic drug in haematoma cavity again brought by the factors such as air inversion, the diffusion of excessive medication volume Dosage up to effective treatment concentration, avoids intracranial pressure caused by increasing local occupation time process from rising, especially for hemorrhage of brain stem Patient advantageously, to solve deficiency and drawback present in the single drainage device of tradition and referenced patents, and then reduces doctor It treats and spends, patients with cerebral hemorrhage is finally made to be benefited.

Detailed description of the invention

Fig. 1 is the drainage device exploded view；

Fig. 2 is the drainage device main view；

Fig. 3 is the long axial section of drainage device main view；

Fig. 4 is the left and right view of main view；

Fig. 5 is the forward and backward view of main view；

Fig. 6 is the bowing of main view, bottom view；

Fig. 7 is the long axial section of " fore-telling " font connection valve；

Fig. 8 is the left, right, front and rear of " fore-telling " font connection valve, bows, bottom view；

Fig. 9 is to extend connecting pipe main view and its long axial section；

Figure 10 is that auxiliary punctures metal die, hemotoncus emptying drainage tube main view and its long axial section；

Figure 11 is micro injection tubule and its long axial section；

Figure 12 is the operation schematic diagram of the drainage device；

Reference numerals illustrate in figure: the micro injection tubule of 1-, and 2- hemotoncus empties drainage tube, and 3- auxiliary punctures metal die, 4- " fore-telling " font connection valve, 5- extend connecting pipe, 6- ellipse side opening, 7- controlled valve, the cylindric lumen of 8-, 9- branched pipe Road, the first side opening of 10-, 11- " head of a nail ", 12- main pipeline, 13- intracerebral hematoma.

Specific embodiment and process

In order to understand implementation and the operating process of technical solution of the present invention more easily, row is further solved with reference to the accompanying drawing Explanation is released, for ease of description and is read, the hemotoncus in the drainage device is emptied into drainage tube, micro injection tubule, " fore-telling " Font connection valve extends connecting pipe, the seperated components of puncture metal die five is assisted to be briefly referred to as drainage tube, micro-pipe, connection Valve, connecting pipe, metal die, it is also necessary to which explanation be each composition member head end described herein is that nearby bleeding swells one end, far from hemotoncus Side is tail end, is now illustrated preferred embodiment point following steps:

The first step in clinical operation operating process, is positioned by stereotactic apparatus, determine 13 puncture target spot of intracerebral hematoma and Operation pathway.

Second step in advance sets micro-pipe 1 from the cylindric lumen 8 of 4 lateral of connection valve 9 before the puncture of intracerebral hematoma 13 Enter, 1 head end main conduit of micro-pipe, 12 head end is drawn, and 1 tail end of micro-pipe " head of a nail ", 11 structure reaches cylindric 8 bottom of lumen of lateral 9 End, and 5 head end of connecting pipe and the cylindric 8 row screw thread of lumen of lateral 9 are screwed on, for fixing micro-pipe 1,5 tail end of connecting pipe Spiral is connected calparine cap, according to 2 specification reservation micro-pipe of drainage tube, 1 length, guarantees when micro-pipe 1 is placed in drainage tube 2, head end Just up at 2 the first side opening of caudal part of drainage tube 10, after then with the syringe of filling sterile water for injection or physiological saline from liver Plain cap is pierced into, and empties gas in micro-pipe, guarantees to be filled in 1 lumen of micro-pipe by sterile water for injection or physiological saline.

Third step, the metal die 3 that assembly matches with 2 length of drainage tube and lumen will under stereotactic apparatus auxiliary Drainage tube 2 is placed in 13 target spot of intracerebral hematoma, exits metal die 3, syringe pumpback or sees oldness blood and blood clot outflow Afterwards, it may be determined that drainage tube 2 is located in hemotoncus, after then removing stereotactic apparatus associated components, by drainage tube 2 from head by operative incision Hypodermic tunnel moves under water and draws after a distance.

4th step sets the micro-pipe 1 for completing assembling with connection valve 4 and connecting pipe 5 from 2 tail end of drainage tube to its head end Enter, and 4 head end of connection valve and 2 tail end of drainage tube opening row elastic dilatation docks, when docking is careful not to damage micro-pipe 1, company 4 tail end of valve is connect to be connected with the drainage bottle/bag row spiral with standard interface.

Finally, postoperative check head CT, single with 1-1.5ml normal saline dilution 3-10 ten thousand according to Hemorrhagic location, quantity of hematoma Position urokinase is made into urokinase solution, after the suction of Jing little Zhen diameter syringe, pierces through calparine cap and is injected, urokinase solution warp Connecting pipe 5, " head of a nail " 11 central point aperture to 1 lumen of micro-pipe, after then reaching 2 tail end of drainage tube, medical fluid, which passes through, is located at 2 periphery of drainage tube And oval side opening 6 uniformly diffuses to perihematoma region up and down, needs to close 4 controlled valve 7 of connection valve before injection, completes 1-2 after injection Hour open controlled valve 7, reaches hemotoncus dissolution and emptying, through 1-2 urokinase injection up to operation purpose.

It should be noted that the drainage device is especially suitable for assisting hematoma puncture under stereotaxis, it is ensured that intracerebral hematoma The accuracy of puncture target spot, utmostly plays the effect of this drainage device, and aforesaid operations process is preferred implementation of the invention Scheme.

The technology of the present invention is through my multiple clinical practice, and effect affirmative, there is no infection at present and bleeding case occurs again, and And hemotoncus solute effect is satisfactory, average postoperative 1-2 days can pull out drainage tube.

The preferred urokinase solution row intracerebral hematoma dissolution of this programme, another drug Alteplase solution equally have this work With, but because at high price, line recommendation is not done.

For unconditionally realizing auxiliary puncture under stereotaxis, hemotoncus can be positioned by traditional cranium brain body surface marking, And punctured, subsequent operation process is consistent with preferred embodiment of the invention.

There is blood clot in sub- anxious/chronic Epidural cavity/lower hemotoncus other than being suitable for intracerebral hematoma case in the present invention The case for being not easy drainage discharge and rinsing, equally can be selected this drainage device, takes the advantage of micro-injection, specific embodiment with The preferred embodiment is similar, and details are not described herein.

The major parameter of each component of this drainage device and requirement

Hemotoncus emptying drainage tube, length 25-35mm, outer diameter 4-5mm, internal diameter 2-3mm, wall thickness 0.5-1mm, side opening size can be 2*3mm, 2*4mm slotted eye, pipe week have scale marker, caudad mark specific scale numerical value from head end with every 5mm.

Micro injection tubule outer diameter is 0.6-0.8mm, internal diameter 0.3-0.4mm, wall thickness 0.1-0.2mm, tail end " head of a nail " knot Structure empties drainage length of tube according to intracerebral and is used cooperatively with a thickness of 1-2mm, diameter 5mm, length.

Main pipeline overall length 75mm in " fore-telling " font connection valve, head end have the long 12mm of a segment pipe, outer diameter 4mm, this section is used In drainage tube of plugging into, it is also designed to female Luer structure, controlled valve diameter 12mm, high 25mm, main pipeline caudal end is to opening Closing valve length 15mm, outer diameter 6mm, lateral overall length is 30mm, and is intersected at 22mm with main pipeline after main pipeline head end, Lateral head end caliber is consistent with connection main pipeline caliber, is 5mm, the long 10mm of trailing cylindrical shape lumen, outer diameter 8mm inside has M6 screw thread.

Extend connecting pipe overall length 20mm, one section of lumen periphery of near head end has M6 thread, long 8mm, this section of intracavity diameter is 1mm, connecting pipe tail end are to expand lumen, and outer diameter 6mm, caudal end has the thread connecting with standard heparin cap.

The length and internal diameter for puncturing metal die specification and hemotoncus emptying drainage tube match.

According to above-mentioned data demand, plurality of specifications drainage tube and matched micro injection tubule, root can be prepared Adaptation drainage device is selected according to hemotoncus position, hemotoncus form, quantity of hematoma.

Hemotoncus emptying drainage tube material is made of medical silica-gel, and metal die is made of medical stainless steel, and other component can It is made of polypropylene for medical article and/or polyvinyl chloride material.

All parts specification, material described in the drainage device can run business into particular one micro-adjustment according to production technology and clinical demand.

Claims (7)

1. a kind of drainage device with micro injection and hemotoncus air emptying function, it is characterised in that: the drainage device is by micro Injection tubule, " fore-telling " font connection valve, extends connecting pipe, auxiliary puncture five fission portions of metal die at hemotoncus emptying drainage tube Part composition.

2. the drainage device with micro injection and hemotoncus air emptying function according to claim 1, it is characterised in that: described micro- Amount injection tubule is a hollow tubule, and head end is lumen open, and tail end is " head of a nail " structure, and " head of a nail " central point has out Hole, and be connected to micro injection tubule lumen, aperture is consistent with lumen, and the micro injection tubule lumen is superfine, lumen volume It is small.

3. the drainage device with micro injection and hemotoncus air emptying function according to claim 1, it is characterised in that: the blood Swollen emptying drainage tube, head end are a mellow and full cecum, are had after cecum along tube wall periphery and upper and lower equally distributed oval side opening, Side opening particular number and position are variant according to hemotoncus emptying drainage tube different size, and hemotoncus emptying drainage tube tail end is opened for one Put interface.

4. according to claim 1 with described in 3 with the drainage device of micro injection and hemotoncus air emptying function, it is characterised in that: institute It states " fore-telling " font connection valve and divides main pipeline and lateral, main pipeline head end and hemotoncus empty drainage tube tail end open interface row bullet Property expansion connection, main pipeline caudal part have switch valve, caudal end have screw thread, with the drainage bottle/bag row with standard interface Spiral linking, lateral are located at the nearly positive side of main pipeline head end, are in 30-40 degree angle, lateral head end pipe with main pipeline Diameter is consistent with main pipeline, and tail end is cylindric lumen, inside there is screw thread.

5. according to claim 1 with described in 4 with the drainage device of micro injection and hemotoncus air emptying function, it is characterised in that: institute State extend connecting pipe be a hollow pipeline, head end have thread, with the intracavitary screw thread of cylindrical tube described in connection valve lateral into The linking of row spiral extends connecting pipe tail end and also has thread, is connected with standard heparin cap.

6. according to claim 1 with the drainage device of micro injection and intracerebral hematoma air emptying function, feature exists described in 2 In: the auxiliary punctures metal die and is made of core handle and core, the length and internal diameter phase of specification and hemotoncus emptying drainage tube Matching.

7. according to claim 1,2,3,4 and 5 drainage device with micro injection and intracerebral hematoma air emptying function, special Sign is: the micro injection tubule head end is placed in from the cylindric lumen of connection valve lateral to main pipeline head end direction, most Micro injection tubule head end is up to when side opening plane, tail end " head of a nail " structure should be proper at hemotoncus emptying drainage tube caudal part first eventually It is located at lateral cylindrical tubes bottom of chamber portion well, and screws in extension connecting pipe, tail end connects standard heparin cap.