CN203483473U - Blowing thrombectomy apparatus - Google Patents
Blowing thrombectomy apparatus Download PDFInfo
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- CN203483473U CN203483473U CN201320281891.3U CN201320281891U CN203483473U CN 203483473 U CN203483473 U CN 203483473U CN 201320281891 U CN201320281891 U CN 201320281891U CN 203483473 U CN203483473 U CN 203483473U
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- suction
- jet
- channel
- thrombolysis catheter
- fumarole
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Abstract
The utility model discloses a blowing thrombectomy apparatus, comprising a thrombolysis conduit, a guide wire, a gas pump and a suction pump. A blowhole and a suction hole are arranged at the front portion of the thrombolysis conduit, the blowhole is communicated with a blow channel, the suction hole is communicated with a suction channel, and the gas pump employs carbon dioxide. The blow channel is inflated by the gas pump in a high frequency pulse manner, gas sprays out from the blowhole rapidly to scour thrombosis, the thrombus is crushed and easy to discharge by suction or loosen, and loosened thrombus is conducive to absorb thrombolytic drug for rapid thrombolysis.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, in particular to a kind of jet except pin device.
Background technology
It is slow that phlebothrombosis (venous thrombosis, VTE) refers at venous blood flow, and under high blood coagulation state and tunica intima damage condition, acute nonsuppurative inflammation occurs vein, and the disease of secondary thrombus formation.It comprises pulmonary thromboembolism and venous thrombosis, and foreign data shows that its sickness rate accounts for the 3rd in cardiovascular system diseases, is only second to coronary heart disease and apoplexy.Most venous thrombosis occur in the dark vein of pelvic cavity and lower limb.Be more common in after major operation or wound, long-term bed, limb brake, late tumor patient.
Deep venous thrombosis (deep venous thrombosis, DVT) be clinical common disease, after deep venous thrombosis of lower limbs, sick lower limb vein rest pain, easy concurrent eczema of later stage, cutaneous pigmentation, venous ulcer etc., severe patient disability.After thrombosis comes off, can flow to pulmonary artery with blood, cause pulmonary infarction, can there is pulmonary thromboembolism (pulmonary thromboembolism, PTE), serious harm human health in 50%～60% DVT patient wherein.Separately have bibliographical information, medical in thrombosis 12h, therapeutic effect is best, and mortality rate is low, and limbs disturbance incidence rate is low; > 3d is medical, and case fatality rate is high, and limbs disturbance incidence rate is high.So deep venous thrombosis has serious threat to patient's health and lives, need the instant thrombosis of removing.
The traditional therapy of DVT is at present: surgical operation is got bolt, internal medicine treatment and interventional minimally-invasive treatment.Surgical operation therapy is not yet widely accepted, its main cause is that deep venous thrombosis is got after bolt operation the high Gu of recurrence rate, popliteal phlebothrombosis to get clean rate low, in art, there is the danger of pulmonary embolism (PE), operation risk is large, wound is large, and especially get in bolt process and cause tunica intima of vein damage, be often the one of the main reasons that causes recurrence of thrombus.Roder follows up a case by regular visits to 10 years after reporting 46 routine iliofemoral vein thrombosis embolectomies, and wherein 40% without any symptom, and 27% still has suffering limb mild swelling, and 33% limbs still have obvious tumefaction.So surgical operation is got bolt can not fine solution thrombosis problem.
Internal medicine treatment mainly comprises anticoagulant therapy and thromboembolism treatment.In anticoagulant therapy, often use unfractionated heparin, Low molecular heparin, the order of method China.Urokinase, streptokinase, rt-PA etc. belong to thrombolytic drug, can directly promote plasminogen to transfer fibrinolysin to, and fibrinolysin is raise rapidly, impel fibrin degradation, produce fibrin degradation product (FDP) (FDP), thus thrombus.If the thrombolytic drug consumptions such as urokinase too much will cause bleeding risk to increase, can cause the important organs such as head, digestive tract hemorrhage, severe patient can threat to life.Thrombolytic drug for the fresh thrombus therapeutic effect of acute stage still can, treat subacute and old thrombosis weak effect.
With respect to surgical operation, get that bolt has a big risk, medical treatment effective percentage is low, interventional minimally-invasive treatment has the advantages such as the complication such as wound is little, effective percentage is high, hemorrhage are low.At present interventional minimally-invasive treatment thrombosis comprise insert IVCF, mechanical thrombus smash aspiration, local veins indwelling catheter thromboembolism treatment to pieces, through methods such as catheter-based ultrasound ablations.
Wherein the many side openings thrombolysis catheter thrombolytic art in interventional minimally-invasive treatment thrombosis has following advantage and is used widely in clinical, and the people's operation wound that is 1. situated between is little, reduces the unexpected risks such as cardiovascular and cerebrovascular vessel.2. do not need to cut, sew up blood vessel, reduce vascular restenosis risk.3. through conduit local injection thrombolytic drug, thrombolytic drug consumption is low, can obviously reduce the risk of massive hemorrhage.4. under intervention condition, can find that blood vessel limitation is narrow, handle together.
Conventionally adopt clinically the venothrombotic treatment situation of following standard evaluation.I level: limb pain and swelling symptom disappear completely, it is normal that Pi Wen and the colour of skin etc. are recovered, and color doppler ultrasonography demonstration deep venous thrombosis is dissolved completely, and the dark wall of vein of suffering limb is smooth, and it is normal that bore recovers.II level: there will be lower limb distending pain after standing for a long time, lower extremity swelling and distension is substantially eliminated or significantly alleviated, it is normal that Pi Wen recovers, on skin, there is slight pigmentation, color doppler ultrasonography shows that deep venous thrombosis is partly dissolved, and the dark vein of suffering limb has blood flow signal, and dark wall of vein is rough.III level: suffering limb distending pain and swelling alleviate, color doppler ultrasonography shows that deep venous thrombosis reduces, the deep vein stream of suffering limb weakens.IV level: suffering limb distending pain is obvious, and swelling does not alleviate, color doppler ultrasonography shows that deep venous thrombosis is unchanged.Suffering limb vein does not have blood flow signal.I level and II level are effective, and III level is for taking a turn for the better, and IV level is invalid.
Above-mentioned anticoagulant, thrombolytic drug are in removing the process of bolt, and its side effect meeting increases patient's bleeding risk, and causes the complication such as other organs is hemorrhage.The risk that the larger patient of consumption of above-mentioned anticoagulant, thrombolytic drug is hemorrhage is larger.So the consumption of anticoagulant, thrombolytic drug will lack as much as possible, to reduce this type of medicine, to patient, bring the risk of untoward reaction.
Summary of the invention
For the deficiencies in the prior art, it is a kind of jet except pin device, by the jet thrombosis that washes away that this utility model provides, cause thrombosis internal structure loosening, make urokinase more easily enter thrombosis inside, increase the contact area of medicine and thrombosis, thereby reduce drug dose and action time.
The jet pin device that removes of the present utility model comprises: thrombolysis catheter, guiding wire, gas pump and suction pump, wherein thrombolysis catheter comprises two passages, outer tunnel is that its diameter of suction channel is 7～8F, internal channel is that its diameter of jet channel is 4～5F, jet channel and suction channel are coaxial, also have guiding wire in jet channel.The total length of thrombolysis catheter is 120～160cm, wherein anterior at thrombolysis catheter except bolt live part, the diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the fumarole of 0.5～0.6mm, and the quantity of fumarole is 10-16, fumarole is distributed in thrombolysis catheter both sides, every side 5-8.The diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the suction socket of 1.5～1.6mm, and the quantity of suction socket is 10-16, and suction socket is distributed in thrombolysis catheter both sides, and every side 5-8, fumarole and the suction socket of every side are alternately distributed.Fumarole communicates with jet channel, and suction socket communicates with suction channel.
The jet thrombolysis catheter afterbody except pin device described in the utility model has 4 interfaces, and wherein No. 1 interface is connected with suction pump, and No. 2 interfaces are feeding opening, and No. 3 interface is connected with gas pump, and No. 4 interfaces are seal wire entrance.Wherein No. 1 interface communicates with suction channel, and No. 2, No. 3 and No. 4 interfaces communicate with jet channel.Be connected with gas pump with suction pump respectively by screw knob with No. 3 interfaces for No. 1.No. 2 interface contains screw thread, by threaded knob, is connected with syringe or drug efflux pump, and No. 4 interface contains screw thread, and the guiding wire of No. 4 seams is through a threaded knob, and this knob is connected with No. 4 interfaces by screw thread.
The pressure of above-mentioned gas pump ejection gas is 100～200KPa, every 0.5s, sprays 1 time, and each injecting time is 0.5s, and every injection 10-30 second, suction pump starts suction 10-30 second.Gas in gas pump is carbon dioxide.
Above-mentioned jet except pin device in use, first by phlebography technology, determine the position of thrombosis in vein, thrombolysis catheter is delivered to thrombolytic place under the guiding of guiding wire.Thrombolysis catheter is inserted in thrombosis, No. 1 interface is connected with gas pump, No. 3 interface is connected with suction pump, No. 2 and the sealing of No. 4 interfaces, and gas pump is to pulsed inflation in jet channel, and gas sprays rapidly from fumarole, washes away thrombosis.Thrombosis washes away through the high frequency of gas, occurs loosening, crack and comes off with the broken [Dan of trace, and suction pump starts the small thrombosis that suction comes off.The broken [Dan coming off is removed in gas pump and suction pump as previously mentioned alternation in time, makes medicine more easily along slight crack, enter thrombosis inside and carries out thrombolytic.It is tens of second that each position is washed away, and mobile thrombolysis catheter carries out aforesaid operations again, through after air scour number minute, closes gas pump and suction pump.Open interface No. 3, get syringe and be attached thereto.Get thrombolytic drug and be dissolved in normal saline, in gained liquid gradation suction syringe, to pressurized impulse injection in thrombolysis catheter jet channel, be interrupted pressurization administration, each vasopressing injection appropriate amount of drug, the interval several seconds, repetitive operation is also observed the variation of patient respiratory pulse.After above-mentioned gas pulse and thrombolytic drug thrombolytic, intravascular radiography detects thrombolytic situation in blood vessel.
The above-mentioned jet pin device that removes has the following advantages:
1) by the high-frequency impulse of gas pump gas, endovascular thrombosis is washed loosening, easily further thrombolytic.
2) the fumarole quantity of thrombolysis catheter front portion is many, and be evenly distributed, make gas pump ejection gas uniform act on thrombosis, and under high frequency washes away, there is slight crack in the thrombosis of fumarole contact, is conducive to urokinase and enters thrombosis depths along slight crack, thereby arrive by the urokinase of less amount, play maximum thrombolytic effect, reduce urokinase and cause hemorrhage side effect.
3) because the fumarole quantity of thrombolysis catheter front portion is many, and be evenly distributed on the outer wall of thrombolysis catheter, during thrombolytic, the fumarole of thrombolysis catheter front portion is embedded in thrombosis, and the gas load of fumarole ejection is even, can not make thrombosis slide along blood vessel access direction.
4) gas pump and suction pump alternation can be removed the broken [Dan coming off in time, make medicine more easily along slight crack, enter thrombosis inside and carry out thrombolytic.Due to fresh thrombus more easily by this device, rushed broken, so of the present utility model described jet except pin device higher to the elimination efficiency of fresh thrombus.
Accompanying drawing explanation
Fig. 1 is the jet structural representation except pin device of this utility model.
The rip cutting figure of Fig. 2 thrombolysis catheter.
The specific embodiment
Embodiment 1
Below in conjunction with accompanying drawing, to of the present utility model jet except pin device, be described further.
The jet pin device that removes of the present utility model comprises: thrombolysis catheter 1, guiding wire 2, suction pump 3 and gas pump 4, wherein thrombolysis catheter comprises two passages, outer tunnel is that suction channel 17 its diameters are 8F, internal channel is that jet channel 18 its diameters are 4F, suction channel 17 and jet channel 18 are coaxial, also have guiding wire 2 in jet channel.The total length of thrombolysis catheter is 120cm, wherein except bolt live part is anterior at thrombolysis catheter, the diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the fumarole 11 of 0.5mm, and fumarole 11 is distributed in the both sides of thrombolysis catheter, and the quantity of every side spray pore is 5.The diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the suction socket 12 of 1.5mm, and suction socket 12 is distributed in the both sides of thrombolysis catheter, and the quantity of every side suction socket 12 is 5, and fumarole 11 and suction socket 12 are alternately distributed.Fumarole 11 communicates with jet channel 18, and suction socket 12 communicates with suction channel 17.
The jet thrombolysis catheter afterbody except pin device of this utility model has 4 interfaces, and wherein No. 1 interface 13 is connected with suction pump 3, and No. 2 interface 14 is feeding opening, and No. 3 interface 15 is connected with gas pump 4, and No. 4 interface 16 is seal wire entrance.Wherein No. 1 interface communicates with suction channel 17, and No. 2, No. 3 and No. 4 interfaces communicate with jet channel 18.Be connected with gas pump with suction pump respectively by screw knob with No. 3 interfaces for No. 1.No. 2 interface contains screw thread, by threaded knob, is connected with syringe or drug efflux pump, and No. 4 interface contains screw thread, and the guiding wire of No. 4 seams is through a threaded knob, and this knob is connected with No. 4 interfaces by screw thread.
The pressure of above-mentioned gas pump ejection gas is 100～200KPa, every 0.5s, sprays 1 time, and each injecting time is 0.5s, and every injection 10-30 second, suction pump starts suction 10-30 second.Gas in gas pump is carbon dioxide.
The jet pin device that removes of the present utility model comprises: thrombolysis catheter 1, guiding wire 2, suction pump 3 and gas pump 4, wherein thrombolysis catheter comprises two passages, outer tunnel is that suction channel 17 its diameters are 8F, internal channel is that jet channel 18 its diameters are 5F, suction channel 17 and jet channel 18 are coaxial, also have guiding wire 2 in jet channel.The total length of thrombolysis catheter is 120cm, wherein except bolt live part is anterior at thrombolysis catheter, the diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the fumarole 11 of 0.6mm, and fumarole 11 is distributed in the both sides of thrombolysis catheter, and the quantity of every side spray pore is 5.The diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the suction socket 12 of 1.6mm, and suction socket 12 is distributed in the both sides of thrombolysis catheter, and the quantity of every side suction socket 12 is 5, and fumarole 11 and suction socket 12 are alternately distributed.Fumarole 11 communicates with jet channel 18, and suction socket 12 communicates with suction channel 17.The other parts structure of this utility model air jet system is with embodiment 1.
The jet pin device that removes of the present utility model comprises: thrombolysis catheter 1, guiding wire 2, suction pump 3 and gas pump 4, wherein thrombolysis catheter comprises two passages, outer tunnel is that suction channel 17 its diameters are 8F, internal channel is that jet channel 18 its diameters are 5F, suction channel 17 and jet channel 18 are coaxial, also have guiding wire 2 in jet channel.The total length of thrombolysis catheter is 120cm, wherein except bolt live part is anterior at thrombolysis catheter, the diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the fumarole 11 of 0.6mm, and fumarole 11 is distributed in the both sides of thrombolysis catheter, and the quantity of every side spray pore is 8.Within the scope of the 0.3～10cm of thrombolysis catheter front portion, being uniform-distribution with diameter is the suction socket 12 of 1.6mm, and suction socket 12 is distributed in the both sides of thrombolysis catheter, and the quantity of every side suction socket 12 is 8, and fumarole 11 and suction socket 12 are alternately distributed.Fumarole 11 communicates with jet channel 18, and suction socket 12 communicates with suction channel 17.The other parts structure of this utility model air jet system is with embodiment 1.
The jet pin device that removes of the present utility model comprises: thrombolysis catheter 1, guiding wire 2, suction pump 3 and gas pump 4, wherein thrombolysis catheter comprises two passages, outer tunnel is that suction channel 17 its diameters are 7F, internal channel is that jet channel 18 its diameters are 4F, suction channel 17 and jet channel 18 are coaxial, also have guiding wire 2 in jet channel.The total length of thrombolysis catheter is 120cm, wherein except bolt live part is anterior at thrombolysis catheter, the diameter that distributing within the scope of the 0.5～10cm of thrombolysis catheter front portion is the fumarole 11 of 0.5mm, and fumarole 11 is distributed in the both sides of thrombolysis catheter, and the quantity of every side spray pore is 8.Within the scope of the 0.5～10cm of thrombolysis catheter front portion, being uniform-distribution with diameter is the suction socket 12 of 1.5mm, and suction socket 12 is distributed in the both sides of thrombolysis catheter, and the quantity of every side suction socket 12 is 8, and fumarole 11 and suction socket 12 are alternately distributed.Fumarole 11 communicates with jet channel 18, and suction socket 12 communicates with suction channel 17.The other parts structure of this utility model air jet system is with embodiment 1.
Embodiment 5 air jet system usings method
Above-mentioned jet except pin device in use, first by phlebography technology, determine the position of thrombosis in vein, thrombolysis catheter is delivered to thrombolytic place under the guiding of guiding wire.Thrombolysis catheter is inserted in thrombosis, No. 1 interface is connected with suction pump, and No. 3 interface is connected with gas pump, No. 2 and No. 4 interface sealings, gas pump is to pulsed inflation in jet channel, gas sprays rapidly from fumarole, washes away thrombosis, and the pressure of gas pump ejection gas is 100～200KPa, every 0.5s, spray 1 time, each injecting time is 0.5s, and every injection 10-30 second, suction pump starts suction 10-30 second.The broken [Dan coming off is removed in gas pump and suction pump alternation in time.30-35 second is washed away in each position, and mobile thrombolysis catheter is carrying out aforesaid operations, after air scour 3-6 minute, closes gas pump and suction pump.Open interface No. 3, get 5ml syringe and be attached thereto.Get urokinase 250,000 U and be dissolved in 25ml normal saline, in gained liquid gradation suction syringe, to pressurized impulse injection in thrombolysis catheter jet channel, be interrupted pressurization administration, each vasopressing injection medicine 5ml, interval 5s, repetitive operation is also observed the variation of patient respiratory pulse.After above-mentioned gas pulse and urokinase thrombolytic, carry out angiography and detect thrombolytic situation in blood vessel.
Claims (6)
- One kind jet except pin device, comprise: thrombolysis catheter, guiding wire, gas pump and suction pump, described thrombolysis catheter front end is distributed with fumarole and suction socket, and thrombolysis catheter tail end is connected with suction pump with gas pump, and described guiding wire is in the inside of thrombolysis catheter.
- 2. according to claim 1 jet except pin device, it is characterized in that, described thrombolysis catheter comprises jet channel and suction channel, jet channel and suction channel are coaxial, suction channel is in the outside of jet channel, in jet channel, also have guiding wire, described jet channel communicates with gas pump, and described suction channel communicates with suction pump.
- 3. according to the jet pin device that removes described in any one in claim 1 or 2, it is characterized in that, described fumarole is distributed within the scope of the 0.5～10cm of its front portion of thrombolysis catheter, the diameter of fumarole is 0.5～0.6mm, fumarole is distributed in the both sides of thrombolysis catheter, the quantity of every side spray pore is 5-8, and fumarole communicates with jet channel.
- 4. according to the jet pin device that removes described in any one in claim 1 or 2, it is characterized in that, described suction socket is distributed in the scope of its anterior 0.5-10cm of thrombolysis catheter, the diameter of suction socket is 1.5～1.6mm, suction socket is distributed in the both sides of thrombolysis catheter, the quantity of every side suction socket is 5-8, and suction socket communicates with suction channel.
- 5. according to the jet pin device that removes described in any one in claim 1 or 2, it is characterized in that, described fumarole and suction socket are distributed in the both sides of thrombolysis catheter, and the fumarole of every side and suction socket alternately occur.
- 6. according to the jet pin device that removes described in any one in claim 1 or 2, it is characterized in that, the pressure of described gas pump ejection gas is 100～200KPa, and the gas using in gas pump is carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320281891.3U CN203483473U (en) | 2013-05-22 | 2013-05-22 | Blowing thrombectomy apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320281891.3U CN203483473U (en) | 2013-05-22 | 2013-05-22 | Blowing thrombectomy apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483473U true CN203483473U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320281891.3U Expired - Fee Related CN203483473U (en) | 2013-05-22 | 2013-05-22 | Blowing thrombectomy apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN203483473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284774A (en) * | 2013-05-22 | 2013-09-11 | 刘凤永 | Gas-injection thrombosis-removal device and application thereof |
| CN105342668A (en) * | 2015-12-11 | 2016-02-24 | 河南亚都实业有限公司 | Suction catheter for sucking thrombotic substances |
-
2013
- 2013-05-22 CN CN201320281891.3U patent/CN203483473U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284774A (en) * | 2013-05-22 | 2013-09-11 | 刘凤永 | Gas-injection thrombosis-removal device and application thereof |
| CN103284774B (en) * | 2013-05-22 | 2015-08-26 | 刘凤永 | A kind of jet except pin device and application thereof |
| CN105342668A (en) * | 2015-12-11 | 2016-02-24 | 河南亚都实业有限公司 | Suction catheter for sucking thrombotic substances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: Department of Interventional Radiology, General Hospital of Chinese People's Liberation Army, 28 Fuxing Road, Haidian District, Beijing, 100853 Patentee after: CHINESE PLA GENERAL Hospital Address before: Department of Interventional Radiology, Tumor Building, 28 Fuxing Road, Beijing, 100853 Patentee before: Liu Fengyong |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |