CN104434296A - In-vivo lithotripter positioning device - Google Patents
In-vivo lithotripter positioning device Download PDFInfo
- Publication number
- CN104434296A CN104434296A CN201410748845.9A CN201410748845A CN104434296A CN 104434296 A CN104434296 A CN 104434296A CN 201410748845 A CN201410748845 A CN 201410748845A CN 104434296 A CN104434296 A CN 104434296A
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- China
- Prior art keywords
- pipe
- canal
- external capsule
- air bag
- capsula interna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001727 in vivo Methods 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002775 capsule Substances 0.000 claims description 47
- 241000459479 Capsula Species 0.000 claims description 36
- 239000011148 porous material Substances 0.000 claims description 5
- 210000004712 air sac Anatomy 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 230000006378 damage Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 210000003445 biliary tract Anatomy 0.000 description 3
- 210000001198 duodenum Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000000232 gallbladder Anatomy 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 210000000013 bile duct Anatomy 0.000 description 2
- 230000002183 duodenal effect Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000007464 sphincterotomy Methods 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 206010004637 Bile duct stone Diseases 0.000 description 1
- 201000009331 Choledocholithiasis Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000001953 common bile duct Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011846 endoscopic investigation Methods 0.000 description 1
- 238000007459 endoscopic retrograde cholangiopancreatography Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 208000001130 gallstones Diseases 0.000 description 1
- 230000002440 hepatic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
Abstract
An in-vivo lithotripter positioning device comprises an outer canal, an inner canal, a multi-way canal and an airbag. The outer canal and the inner canal are arranged coaxially, one ends of the outer canal and inner canal are communicated with the multi-way canal, the other end is a free end, and the outer canal bends at the free end towards the inner canal and is in plastic package with the inner canal; the multi-way canal is provided with a liquid input connecting port, an electrode input connecting port and an airbag controller, the liquid input connecting port and the electrode input connecting port are gathered in the multi-way canal and are communicated with the inner canal, and the airbag controller is communicated with the outer canal through the multi-way canal; the airbag sleeves the outer canal, the outer canal inside the airbag is provided with a plurality of air holes penetrating the outer canal. The device is capable of expanding the channel of stones, electric shock is performed avoiding the human body cavity wall tissue, the stone electric shocking probability is increased, and the human body cavity wall is prevented from the electric shocking.
Description
Technical field
The present invention relates to the positioner of lithotripter in body, it is the instrument accessory of a kind of energy accurate control electrode impact calculus position, belongs to medical instruments field.
Background technology
Common bile duct and calculus of intrahepatic duct are the common diseases of harm humans health.China's hepatic calculus sickness rate reaches more than 80% in lithogenous biliary tract, has that pathological changes is extensive, the state of an illness is complicated, complication rate is high, Postoperative Residual calculus or a high feature of relapse rate.In the prior art, applying endoscopic technique through vater's papilla taking-up choledocholithiasis is the method generally used at present.Conventional endoscopic stone extraction technique technology comprises Sphincterotomy and basket under scope and gets stone, and applying maximum is mechanical basket rubble.But under still having certain situation, calculus is difficult to take out, such as larger calculus (being greater than 1.8 centimetres), calculus are at the short proximal port of biliary tract stenosis, Incarcerated stone etc.Now, be difficult to reach desirable therapeutic effect with the endoscopic stone extraction technique of routine.In this case, stone extraction basket often cannot extract calculus, be sometimes also difficult to pulverize, and basket very easily damages.In addition, through duodenoscope take out comparatively maximum size time, usually need to increase the scope of sphincterotomy, thus add the danger that hemorrhage, duodenum perforation and postoperative duodenal juice backflows.In recent years, some auxiliary lithotripsy in treatment means are also arisen at the historic moment, and improve the success rate of therapeutic endoscopy gallbladder pancreatic stones.These methods comprise: rubble etc. in laser lithotripsy and liquid electricity body.But these class methods must use duodenum primary and secondary mirror, and duodenum primary and secondary mirror is expensive, general hospital is difficult to be equipped with, and the operating technology that lithotripter treatment Biliary Calculi in laser or liquid electricity body combined by primary and secondary mirror is complicated, need several scope experts to coordinate, technical requirement is high, can not extensively carry out.Due to direct contact of lithotripter electrode probe and gallbladder ductus pancreaticus wall in body can not be avoided, there is the risk increasing the damage of gallbladder ductus pancreaticus, thus limit the extensive use of rubble in body etc.For laser lithotripsy, also exist due to stenosis of bile duct or anomalies of biliary system, laser irradiates by mistake and damages the possibility of bile duct wall, thus adds the risk of conventional application duodenoscope laser lithotripsy.
Electrode can be located and be smashed calculus is a kind of preferred therapeutic scheme, traditional electrode lithotripter technical barrier be how control electrode can accurately impact in calculus, but there is no control method and the supplementary instrument of the maturation of shaping, usually the experience of doctor is relied on, electrode is easy to impact deflection, get on duodenal wall, cause tissue injury.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses the positioner of lithotripter in a kind of ERCP lower body, this lithotripter positioner can the accurately direction be up to from capsule pipe of control electrode and position, improves the probability that electrode hits calculus, improves success rate and the safety of operation.
The positioner of lithotripter in body, comprises external capsule pipe, capsula interna pipe, many siphunculus and air bag,
Described capsula interna pipe is applied in external capsule pipe, and capsula interna pipe and external capsule pipe are coaxially arranged, and one end of capsula interna pipe and external capsule pipe is communicated with many siphunculus and arranges, and the other end is free end, and external capsule pipe bends to capsula interna pipe at free end, and with capsula interna pipe plastic packaging;
Described many siphunculus are provided with liquid input connector, electrode input connector and air spring control, described liquid input connector and electrode input connector collect and are communicated to capsula interna pipe in many siphunculus, and described air spring control is communicated with external capsule pipe by many siphunculus;
Described air bag is round tube shape, and Air sac cover is in the outside of external capsule pipe, and air bag is near the free end of external capsule pipe, and the two ends of air bag are fixed with the external capsule seal of tube respectively, and the external capsule pipe being positioned at air bag is provided with several pores running through external capsule pipe.
Described air spring control is provided with control valve, and control valve can hermetically closing air spring control.
The present invention also comprises electrode wires, and one end of described electrode wires is connected with and connects plug, and the other end is provided with electrode tip, and described electrode wires is through electrode input connector, many siphunculus and capsula interna pipe, and electrode tip extends the free end of capsula interna pipe.
The surface of described electrode wires is provided with insulating protective layer.
Described air bag is the contraction and expansion air bag that soft materials is made.
Air sac sealing is fixed on external capsule tube-surface respectively by ring for fixing by the two ends of described air bag.
The present invention, structure is relatively simple, compact, easy to use, comparatively ideal result of use can be reached, effectively improve the accuracy rate of positioning of electrode impact calculus, make the use safe ready more of lithotripter, reduce the use experience to lithotripter operator and skill set requirements, meanwhile, cost of manufacture is low, is conducive to marketing.
During use, under the effect of X-ray according to shadow, the free end of capsula interna pipe of the present invention and external capsule pipe is reached the position of calculus, then, inflated in air spring control by a pump-up device, such as use normal injection, by distance certain apart from injector head for the pull-out of the push rod of syringe, the gas outlet of syringe is connected with the inlet end screwing hermetic of control valve, the push rod of syringe is compressed into, air in syringe is through control valve, air spring control, external capsule pipe and pore enter into air bag, air bag struts by air, closed control valve, air spring control, gas in external capsule pipe and air bag just by hermetically closing inside, shock by electricity in calculus process in the present invention, air bag is all in the state heaved, body cavities around air bag struts by air bag, can guarantee that electrode tip can not aim at body cavities like this, avoid electrode tip in human body facing to body cavities electric shock, damage is caused to human body, then by liquid input connector input normal saline, normal saline is through too much siphunculus and capsula interna pipe, export from the free end of capsula interna pipe, trickling is around calculus, finally, the plug-in of plug interval will be connect, electrode tip shocks by electricity calculus off and on, calculus is electrically shocked broken, stone extraction basket can be utilized to take out rubble, or by the normal saline of flowing, the broken calculus in small, broken bits of electric shock is washed away, the broken calculus that shocks by electricity is flushed to Excretory system by normal saline, follows stool and discharges human body together.After calculus electric shock terminates, opened by control valve, the gas in air bag can overflow from external capsule pipe by nature, and air bag sky is flat, is extracted out by external capsule pipe from human body.
In use procedure of the present invention, after the body cavities at calculus place struts by air bag, electrode tip is positioned at the center of tract, can not only effectively prevent electric shock from hitting body cavities, and, greatly improve the probability hitting calculus, after body cavities is softened, calculus is more easily positioned at the centre of tract, calculus is in and holds sitting position, the invention enables the doctor not having too many clinical experience, also can when completely not injured patients's health, smash calculus smoothly, improve clinical operability, it is a kind of positioner of desirable rubble instrument.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the partial enlarged drawing of external capsule pipe in Fig. 1 and capsula interna pipe,
Fig. 3 be A-A in Fig. 2 to cross sectional view,
Fig. 4 be B-B in Fig. 2 to cross sectional view,
Reference numerals list: 1-external capsule pipe, 2-capsula interna pipe, 3-many siphunculus, 4-air bag, 5-liquid input connector, 6-electrode input connector, 7-air spring control, 8-control valve, 9-pore, 10-electrode wires, 11-electrode tip, 12-ring for fixing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further.Following detailed description of the invention should be understood only be not used in for illustration of the present invention and limit the scope of the invention.
Accompanying drawing is only as a specific embodiment of the present invention.
Composition graphs 1, Fig. 2, Fig. 3 and Fig. 4 are visible, the present invention includes external capsule pipe 1, capsula interna pipe 2, many siphunculus 3 and air bag 4, described capsula interna pipe 2 is applied in external capsule pipe 1, capsula interna pipe 2 and external capsule pipe 1 are coaxially arranged, one end of capsula interna pipe 2 and external capsule pipe 1 is communicated with many siphunculus 3 and arranges, the other end is free end, and external capsule pipe 1 bends to capsula interna pipe 2 at free end, and with capsula interna pipe 2 plastic packaging; Described many siphunculus 3 are provided with liquid input connector 5, electrode input connector 6 and air spring control 7, described liquid input connector 5 and electrode input connector 6 collect and are communicated to capsula interna pipe 2 in many siphunculus 3, and described air spring control 7 is communicated with external capsule pipe 1 by many siphunculus 3; Described air bag 4 is in round tube shape, and air bag 4 is enclosed within the outside of external capsule pipe 1, and air bag 4 is near the free end of external capsule pipe 1, and the two ends of air bag 4 seal fixing respectively with external capsule pipe 1, the external capsule pipe 1 being positioned at air bag 4 is provided with several pores 9 running through external capsule pipe 1.The present invention, electrode wires 10 is stretched out by the free end of capsula interna pipe 2 from capsula interna pipe 2, and normal saline is flowed out by the free end of capsula interna pipe 2 from capsula interna pipe 22, and gas enters into air bag 4 from external capsule pipe 1, gas and normal saline walk different pipelines in the present invention, non-cross impact.
Described air spring control 7 is provided with control valve 8, and control valve 8 can hermetically closing air spring control 7.Before carrying out electric shock calculus, first inflate in air bag 4, after inflation, by control valve 8 is closed, gas can be locked in air bag 4, in the process of electric shock calculus, air bag 4 is in the state of heaving always, after electric shock calculus terminates, opens control valve 8, gas discharging in air bag 4 is gone out, and can realize controlling easily and efficiently.
The present invention also comprises electrode wires 10, one end of described electrode wires 10 is connected with and connects plug, the other end is provided with electrode tip 11, and described electrode wires 10 is through electrode input connector 6, many siphunculus 3 and capsula interna pipe 2, and electrode tip 11 extends the free end of capsula interna pipe 2.During use, connect plug plug-in, electrode is sent to electrode tip 11 by electrode wires 10, and electrode tip 11 shocks by electricity calculus, calculus is smashed.
The surface of described electrode wires 10 is provided with insulating protective layer.In actual use, electrode wires 10 and normal saline are all arranged in capsula interna pipe 2, and insulating protective layer can effectively prevent electrode wires 10 in normal saline electric discharge, plays a protective role to electrode wires 10.
The contraction and expansion air bag 4 that described air bag 4 is made for soft materials.When Clinical practice, electrode tip 11 reaches calculus position, after being inflated in air bag 4 by air spring control 7 and external capsule pipe 1, air bag 4 can stick out, the tract of calculus position is strutted, avoids electrode tip 11 facing to tract wall electric shock, cause the damage of body cavities wall tissue.
Air bag 4 sealing is fixed on external capsule pipe 1 surface respectively by ring for fixing 12 by the two ends of described air bag 4.The sealing of air bag 44 two ends is closely fixed on external capsule pipe 11 surface by ring for fixing 1215, and make in actual use, the gas in air bag 44 can not be revealed.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (6)
1. the positioner of lithotripter in body, is characterized in that comprising external capsule pipe, capsula interna pipe, many siphunculus and air bag,
Described capsula interna pipe is applied in external capsule pipe, and capsula interna pipe and external capsule pipe are coaxially arranged, and one end of capsula interna pipe and external capsule pipe is communicated with many siphunculus and arranges, and the other end is free end, and external capsule pipe bends to capsula interna pipe at free end, and with capsula interna pipe plastic packaging;
Described many siphunculus are provided with liquid input connector, electrode input connector and air spring control, described liquid input connector and electrode input connector collect and are communicated to capsula interna pipe in many siphunculus, and described air spring control is communicated with external capsule pipe by many siphunculus;
Described air bag is round tube shape, and Air sac cover is in the outside of external capsule pipe, and air bag is near the free end of external capsule pipe, and the two ends of air bag are fixed with the external capsule seal of tube respectively, and the external capsule pipe being positioned at air bag is provided with several pores running through external capsule pipe.
2. the positioner of lithotripter in body according to claim 1, it is characterized in that described air spring control is provided with control valve, control valve can hermetically closing air spring control.
3. the positioner of lithotripter in body according to claim 1, it is characterized in that also comprising electrode wires, one end of described electrode wires is connected with and connects plug, the other end is provided with electrode tip, described electrode wires is through electrode input connector, many siphunculus and capsula interna pipe, and electrode tip extends the free end of capsula interna pipe.
4. the positioner of lithotripter in body according to claim 3, is characterized in that the surface of described electrode wires is provided with insulating protective layer.
5. the positioner of lithotripter in body according to claim 1, is characterized in that described air bag is the contraction and expansion air bag that soft materials is made.
6. the positioner of lithotripter in body according to claim 1, is characterized in that air sac sealing is fixed on external capsule tube-surface respectively by ring for fixing by the two ends of described air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748845.9A CN104434296B (en) | 2014-12-10 | 2014-12-10 | Positioning device of internal lithotriptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748845.9A CN104434296B (en) | 2014-12-10 | 2014-12-10 | Positioning device of internal lithotriptor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104434296A true CN104434296A (en) | 2015-03-25 |
| CN104434296B CN104434296B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410748845.9A Active CN104434296B (en) | 2014-12-10 | 2014-12-10 | Positioning device of internal lithotriptor |
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| CN104434296B (en) | 2020-09-04 |
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Effective date of registration: 20230512 Address after: No. 35-8 Huishen Road, Xuefu Industrial Zone, Xiqing District, Tianjin, 300000 Patentee after: Zhongke Yingde (Tianjin) Health Industry Development Co.,Ltd. Address before: No. 18, Zhilan Road, Science Park, Jiangning District, Nanjing City, Jiangsu Province, 211199 Patentee before: Nanjing Wanfeng biomedical Co.,Ltd. |
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Effective date of registration: 20240320 Address after: Room 301, 3rd Floor, Building 1, Xiaoshan Robot Town Science and Technology Park, No. 389 Hongxing Road, Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province, 311215 Patentee after: Zhejiang Weitai Medical Equipment Co.,Ltd. Country or region after: Zhong Guo Address before: No. 35-8 Huishen Road, Xuefu Industrial Zone, Xiqing District, Tianjin, 300000 Patentee before: Zhongke Yingde (Tianjin) Health Industry Development Co.,Ltd. Country or region before: Zhong Guo |
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