CN202113126U - Intracranial hematoma stirring disintegrator - Google Patents

Abstract

The utility model relates to an intracranial hematoma stirring disintegrator, which belongs to medical apparatuses, comprises a stirring rod with a stirring net and a limiter and solves the problem that solidified hematomas of cerebral hemorrhage cannot be removed completely in the prior art. When being used for performing invasive crashing aspiration for intracranial hematomas, the intracranial hematoma stirring disintegrator penetrates into a hematoma cavity through the elastic or memonic stirring net and controls the stirring net to develop annularly to stir and crash the solidified hematomas so as to substantially remove the intracranial hematomas as far as possible and as quickly as possible, hematoma occupancy time is shortened, death rate is decreased, sequelae are less and patients can be recovered soon.

Description

Intracranial hematoma stirring powder millstone

Technical field

This utility model intracranial hematoma stirring powder millstone relates to medical instruments field, when particularly boring cranium puncture Wicresoft hematoma transforation and suction the coagulability hematoma is stirred the instrument of pulverizing.

Background technology

Intracranial hemorrhage is a kind of high-risk frequently-occurring disease, removes hematoma as early as possible as far as possible completely, removes the compressing to surrouding brain tissue, is the key of treatment life and restore funcitons.The operation of opening cranium requirement condition is very high, and basic hospital is difficult to accomplish, and bore cranium puncture Wicresoft hematoma transforation and suction and can implement at basic hospital, but hemorrhage back hematoma is frozen into semisolid very soon, makes troubles to suction.The patent application and the apparatus of some intracranial hematoma crushing aspirating devices (remover) arise at the historic moment.Patented technology through retrieval CN201076498Y, CN2382372Y, CN2553801Y, CN1110123A, CN201791134U, CN2190510Y, CN2422945Y bulletin; Common defective is to wear the cranium trocar to be inserted into the hematoma center; The reamer of hematoma pulverizing usefulness or hank knotting are all in wearing the cranium trocar tube or near the port; Can not stretch out the outer stirring pulverizing hematoma significantly of launching of the trocar; Cause removing thoroughly longer, mortality rate and disability rate are still remained high, so clinical efficacy is unsatisfied with the time spent." intracranial hematoma pulverizing puncture needle " technology of CN2172095Y bulletin, the merchant protects auspicious design by Beijing ZhaoYang Hospital, and clinical practice is a lot of, leans on 4 micropore water spray shock coagulation hematoma on the aciculiform hematoma destructor, can only wash away a plane of spherical haematoma cavity." a kind of cranium cephalophyma disposal facility " of CN2877573Y bulletin designed the hematoma rushing smashing needle of 12 different directions apopores, though direction increases, also is to come the shock coagulation hematoma with current.The percussion of current has than big-difference with operator's maneuver difference uncertainly in clinical practice, and water flow pressure is little; The impact comminution weak effect, water flow pressure is big, then can impact normal cerebral tissue or just stop hemorrhage blood vessel; Be prone to new brain injury or hemorrhage again, maneuver can't quantize.Moreover charge into the water in the haematoma cavity fast, increased haematoma cavity internal pressure and occupy-place again fast, further injured brain tissue or hemorrhage again so above-mentioned two kinds of apparatuses still can not ideal pulverizing hematoma and it is removed as early as possible, causes clinical effectiveness still dissatisfied." basket type puncture needle for intractanial hematoma " technology of CN2551199Y bulletin; Can in haematoma cavity, stir the bullate the first half of solidification blood by unfolded basket though have; But will the pin overcoat be moved down in its operation and could produce basket, it is very unstable to make whole apparatus in brain, be suspended state, adds and will rotate shakiness more; Easily swing injures normal cerebral tissue with play up and down; Moreover stir the Lower Half less than hematoma, basket when pulling out pin has multiple risk factor to exist just in case reset bad (being little expansion shape) possibly injure the normal cerebral tissue of whole puncture channel.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned various deficiency; Provide a kind of intracranial hematoma stirring powder millstone when boring cranium puncture Wicresoft hematoma transforation and suction, to use, he can be deep in the haematoma cavity and can control the expansion degree that memorial alloy stirs net, and the coagulability hematoma is stirred pulverizing significantly; As far as possible thoroughly to remove hematoma fast; Alleviate its occupy-place effect, make patient's early recovery, and reduce disability rate and mortality rate.

This utility model is achieved in that intracranial hematoma stirring powder millstone is made up of the puddler that band stirs net and stop; Its puddler is the hollow cleansing pin, and the tail end mouth can connect the sebific duct water filling, has the stop that holds out against screw and is enclosed within graduated puddler back segment; Leading portion is provided with and stirs net and to several water outlet micropores; Stir net and process, many hank knottings that can be expanded to the arc semicircle are arranged, and can make large, medium and small different size by elastomeric material or memorial alloy.When boring cranium puncture Wicresoft hematoma transforation and suction, cooperate and wear the use of the cranium trocar; Be receiving state with preceding stirring net, the time spent cranium trocar tail end that can wear long is inserted in the haematoma cavity, stirs net from shallow to deep and breaks away from the constraint of wearing cranium trocar front port gradually; It is netted or Flos Chrysanthemi appearance is radial in haematoma cavity, to launch to be a plurality of annulars gradually; It is simultaneously slotting deeply gradually that hand-held stop rotates puddler, can make the stirring net launch to stir the companion gradually and solidify hematoma, and its outermost running orbit is a ball-type; The size of stirring net unfolding is stretched out the length of wearing the cranium trocar port with it and is directly proportional; Adopt and to go deep into the limit while stirring and inject normal saline from puddler tail end mouth, the solidificating blood that blends diluted back equivalent slow rinse and going out, the stop on the puddler arrive at that puddler is inserted into the darkest when wearing cranium trocar tail end; The stirring net unfolding is maximum, blends to keep hematoma wall 3-6mm after major part is solidified hematoma.When extracting puddler, the stirring net is pulled into to wear to draw in the cranium trocar and is taken out of. and this utility model can cooperate the multiple cranium trocar of wearing to use.Wearing cranium trocar insertion depth has just gone into hematoma 3-5mm with port and has been advisable.

The advantage of this utility model is: broken to solidifying the hematoma stirring powder, removing speed is fast and thorough, though do not open cranium, can reach the removing effect of operation of opening cranium appearance.And simple to operate, practical, stir the net adjustable size, controllability is strong, and the easy master hints on operation is safe and reliable.It is hemorrhage again to keep the minimizing of hematoma wall, and the displacement method flushing is not aspirated and do not changed original cavity pressure, and remaining blood volume is few; It is few to decompose the seasonal noxious pathogen deposits yields, need not to use liquefiers such as urokinase, and cerebral tissue is not had secondary damage; Reduced less patient suffering, recovered fast, mortality rate and disability rate reduce; Wound is little, and expense is low, can not good therapy apparatus meeting be provided operation of opening cranium person for some.The use of can sterilizing repeatedly also can be made disposable products.

Description of drawings

Description of drawings: Fig. 1. this utility model structure and insert and to stir the maximum sketch map that launches of net in the haematoma cavity: 1. puddler, 2. stir net, 3. localizer, 4. the water outlet micropore, 5. scale, 6. hold out against screw, 7. water filling port, 8. skull, 9. haematoma cavity, 10. wear cranium sleeve pipe (pin).

The specific embodiment

Below in conjunction with the description of drawings most preferred embodiment: as shown in the figure; Intracranial hematoma stirring powder millstone is made up of puddler [1], stirring net [2] and stop [3]; Its puddler [1] is the hollow cleansing pin, and tail end has the water filling port [7] that connects sebific duct, and back segment is provided with scale [5] and is with the stop [3] that band holds out against screw [6]; Leading portion is provided with and stirs net [2] and to several water outlet micropores [4], stirs net [2] and is processed by memorial alloy.When the broken suction of intracranial hematoma microtrauma puncture, cooperate the intracranial hematoma of YL-1 type Wan Tefu company to wear the cranium trocar [10] use.Behind the CT location; Avoid important area; Make an accurate selection of point of puncture, choose the band drill bit that scalp to hematoma beeline adds 4-6mm length again and wear the cranium trocar [10], bore and extract drill bit after passing through skull [8] and cerebral dura mater; Change blunt nook closing member and slowly be inserted to hematoma to the hematoma center position and go deep into about 5mm, extract blunt nook closing member.This moment is if there is outmoded blood to flow out naturally; Wait not flow the back and insert thin sebific duct injection normal saline earlier; Observe the displacement liquid color if thin out, and judgement and amount of bleeding be not when being inconsistent, explained and solidified hematoma or see when the hematoma of solidifying is arranged through ventricularendoscope; Big or small chosen in advance according to haematoma cavity [9] stirs the development size of net [2] and stirs the degree of depth (being ball-type hematoma diameter), with holding out against screw [6] locking stop [3] in scale [5] far point.To stir net [2] for this utility model of receiving state from wearing the near point that the cranium trocar [10] tail end is inserted to scale [5]; Promptly arrive haematoma cavity [9] edge; Water filling port [7] connects sebific duct and slowly injects normal saline; Simultaneously hold the forward and reverse rotation of stop [3] afterturn, and insert puddler [1] to scale [5] far point gradually, arrive at and wear cranium trocar tail end with thumb and forefinger; It is maximum that stir net [2] expansions degree this moment, and this process promptly is to stir that net [2] is ascending in haematoma cavity to launch and rotate the bullate process of solidification blood that blends of cutting gradually.To observe during this time from wearing the displacement liquid color that the cranium trocar [10] tail end overflows; Treat that color stops operating and water filling when no longer thin out; After CT check hematoma clearance is satisfied; Extract puddler [1], drive stirring net [2] is taken down the exhibits and from wear the cranium trocar, is withdrawed from, and has promptly accomplished solidifying the broken purpose of hematoma stirring powder.Can keep somewhere a thin silica gel tube drain residual liquid then, extracting and wearing the cranium trocar [10] is that art finishes.If hematoma is irregular or leaflet, the puncture of available spininess, have in some irregular haematoma cavities a small amount of bitty cerebral tissue because of hemorrhage impact, tear, structure ruptures, lost function and has been worth without reserve, can not lose greater functionality because of stirring.Stirring net [2] expansion back is spherical with rotating running orbit; Its spherical track diameter (being that scale [5] far point is to the distance between near point) is less than hematoma diameter 3-6mm; Promptly removed the intracavity hematoma as far as possible significantly, kept complete hematoma wall again, can prevent again hemorrhage.Stir the memorial alloy twine of net [2]; The soft appropriateness of dynamics can be rubbed hematoma and not influenced the petechia outside the haematoma cavity, because residual insufficiency of blood; It is also few to decompose the vaso-active substance that produces; Prevented follow-up damages such as cerebral vasospasm, need not to re-use thrombolytic agents such as urokinase, heparin, not only cost saving but also reduce drug-induced risk of bleeding again.Solidify hematoma and blend the back by saline equivalent displacement and go out, it is constant to have kept the haematoma cavity internal pressure, has prevented reactive edema, brain such as hemorrhage and intracranial pressure rising pours into syndromic generation again.The nontoxic infiltration rate of displacement saline of staying haematoma cavity can make the pressurized cerebral tissue expand naturally as soon as possible and recover faster than remained blood, confirms that through clinical practice its effect is remarkable, is worthy to be popularized.It is known for present technique field personnel not address part, repeats no more.

Claims (4)

1. One kind when the broken suction of intracranial hematoma microtrauma puncture; The cranium sleeve pipe that wears long is inserted into and solidifies haematoma cavity; To its intracranial hematoma stirring powder millstone that stirs pulverizing, it is characterized in that: puddler [1] is the hollow cleansing pin, and its leading portion is provided with and stirs net [2] and water outlet micropore [4]; Back segment is provided with scale [5] and is with the stop [3] that band holds out against screw [6], and tail end has water filling port [7].
2. 2. intracranial hematoma stirring powder millstone according to claim 1 is characterized in that: stir net [2] and processed by elastomeric material, have many inflatablely to be the hank knotting of arc semicircle.
3. 3. intracranial hematoma stirring powder millstone according to claim 1 is characterized in that: stirring net [2] inserts to wear and is receiving state in the cranium sleeve pipe, haematoma cavity, launches gradually when the cranium sleeve port stretches out from wearing.
4. 4. according to claim 1,2 or 3 described intracranial hematoma stirring powder millstones, it is characterized in that: stir net [2] unfolded arc semicircle hank knotting in haematoma cavity gradually, with the rotation of puddler [2], running orbit is spherical.

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