CN104189973A - Nerve blocking device using ultrasonic guide - Google Patents
Nerve blocking device using ultrasonic guide Download PDFInfo
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- CN104189973A CN104189973A CN201410471509.4A CN201410471509A CN104189973A CN 104189973 A CN104189973 A CN 104189973A CN 201410471509 A CN201410471509 A CN 201410471509A CN 104189973 A CN104189973 A CN 104189973A
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- sleeve pipe
- closing member
- nook closing
- beneficial
- block device
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Abstract
A nerve blocking device using ultrasonic guide comprises a hollow bush. A hollow needle core is disposed in the bush. A needle tip is disposed at the top end of the needle core. The needle tip extends out of the top end of the bush. A micro-tooth-shaped structure is disposed on the slope of the needle tip. The outer surface, close to the needle tip, of the needle core is provided with a concave-convex structure. A plurality of lateral holes are formed in the lateral wall of the front end of the bush. A plurality of materials which are parallel with the long axis of the bush, can intensify ultrasonic development effect and are X-ray-tight are embedded into the bush. A rubber plunger is disposed in the tail end of the bush. A lateral tube is further arranged at the tail end of the bush. The lateral tube is disposed at the front end of the rubber plunger. The lateral tube is communicated with the bush. The nerve blocking device has the advantages that continuous peripheral nerve blocking can be completed under ultrasonic guide, reflecting development effects can be enhanced by the zigzag structure of the annular surface of the needle core tip and the concave-convex structure on the outer surface of the needle core, development under ultrasonic guide can be achieved, and the nerve blocking device is simple to operate, high in accuracy and less prone to nerve damage.
Description
Technical field:
The present invention relates to mankind life article, relate in particular to medical apparatus and instruments, the particularly trocar, concrete is the nerve block device that is beneficial to ultrasonic guidance.
Background technology:
Peripheral nerve block technology can realize and extend anesthesia, Postoperative Analgesia After and sympatheticoparalytic effect according to the needs of operation continuously, can realize gradation administration simultaneously, thereby reduces the poisoning danger of local anaesthetics.Extensively Ying Yu, in clinical anesthesia and pain therapy, is also one of main method of current Multimodal analgesia.For reducing the complication of anesthesia, modern anesthesia has entered the visual epoch, among the ultrasonic the whole bag of tricks that has been widely applied to anesthesia.Traditional nerve block can adopt to dissect under positioning blind spy paresthesia method or nerve stimulator location and complete, under ultrasonic guidance, peripheral nervous can be known and manifests at present, carry out nerve block, can more effectively block nerve, reduce local anaesthesia drug dose and neural damage simultaneously.The nerve block device that current domestic shortage is effectively developed.
Summary of the invention:
The object of the present invention is to provide a kind of nerve block device that is beneficial to ultrasonic guidance, the described this nerve block device that is beneficial to ultrasonic guidance will solve the technical problem that nerve block device in prior art easily causes nerve injury.
A kind of nerve block device that is beneficial to ultrasonic guidance of the present invention, sleeve pipe by a nook closing member and a hollow forms, described nook closing member is arranged in described sleeve pipe, the front end of described nook closing member is provided with needle point, described needle point extends the front end face of described sleeve pipe, on the sidewall of the leading section of described sleeve pipe, be provided with at least one side opening, the tail end of described sleeve pipe is fixedly installed a connection tube, the internal diameter of described connection tube is greater than the internal diameter of sleeve pipe, the central axis of described connection tube overlaps with the extended line of sleeve pipe central axis, in described connection tube, be provided with a rubber plunger, described nook closing member is through described rubber plunger, the tail end of described nook closing member is fixedly installed holds the hands wing, described hold the outside that the hands wing is positioned at connection tube, on the connection tube sidewall in described rubber plunger the place ahead, be provided with a side pipe, described side pipe is communicated with connection tube, the inclined-plane of described needle point is provided with micro-dentalation, on the outer surface of nook closing member that approaches needle point, be provided with concaveconvex structure, in the inwall of described sleeve pipe, be provided with the X-ray shielding line of at least 2, described X-ray shielding line is parallel with sleeve pipe central axis.
Further, the end of described nook closing member is connected with wire, and described wire, through holding the hands wing, is connected with a socket on described wire, and described socket is connected with the plug of a nerve stimulator.
Further, on the tail end of described nook closing member, be also connected with the pliers of a nerve stimulator.
Further, the anchor ring of needle point and the major axis of pin are the angle of 20 ~ 40 degree,
Further, one end of described side pipe is connected with a conduit, and one end of described conduit connects a sleeve.
Further, on described sleeve, be connected with a syringe or analgesia pump or knob that can shutoff.
Further, on the outer wall of described sleeve pipe, be provided with scale.
Further, near the nook closing member described side pipe, be provided with at least one aperture.
Further, on the medial wall of sleeve pipe, be provided with insulating barrier,
Further, the axial angles that become 30 degree of the inclined-plane of described needle point and nook closing member.
The present invention is provided with micro-laciniation on the inclined-plane of needle point, and the sawtooth that its dimpling goes out can strengthen ultrasonic development, and the resistance that in the time of can increasing inserting needle, in tissue, fascia is broken through is simultaneously beneficial to location and reduces nerve injury.In the outer sleeve portion of keeping somewhere, increase the composition of more X-ray opaques, be beneficial to B ultrasonic and develop.
The present invention increases circular concaveconvex structure on the outer surface of front end nook closing member of about 15mm scope apart from needle point of pin, can strengthen luminous reflectance and develop.The about 20mm scope of front end at trocar sheath increases a little side openings, is convenient to medicinal liquid infusion.
Concrete, described plastic bushing is just at the right time for the nerve stimulation pin as nook closing member provides an insulating barrier.
Operation principle of the present invention is: under outside B ultrasonic short axis plane, technology guides, first at ultrasonic probe major axis mid point after probe edge 1 centimeters local anaesthesia, first nook closing member is put and is inserted in subcutaneous tissue by local anaesthesia, being 45 degree angles with probe major axis thrusts, when needle point approaches nerve, because the enhancing of needle point is developed, can pass through ultrasonic screen display, now, can inject local anaesthesia medicine by the side pipe of nook closing member outer catheter, then take out nook closing member, to surpass expert detective's head simultaneously and transfer technology in plane to, outer catheter axis is being overlapped with the axis of ultrasonic probe, now, under ultrasonic development, trocar sheath is sent into forward to 3cm again, then fixing, by the side pipe on sleeve pipe, connect syringe or analgesia pump again, inject the related drugs such as analgesics.While extracting nook closing member, the rubber plunger by sleeve pipe tail end at once automatic sealing package is blocked sleeve pipe, prevents that medicine from overflowing from sleeve pipe.If adopt nerve stimulator location, end by nerve stimulator by wire and nook closing member is connected, under outside B ultrasonic short axis plane, technology guides, first at ultrasonic probe major axis mid point after probe edge 1 centimeters local anaesthesia, first nook closing member is put and is inserted in subcutaneous tissue by local anaesthesia, being 45 degree angles with probe major axis thrusts, when needle point approaches nerve, first put electric current 1mv, when there being muscle contraction, the electric current of adjusting stimulator still has this innerv muscle contraction below to 0.3mv, can determine nerve nearby, and the side pipe by nook closing member outer catheter injects local anaesthesia medicine.Then take out nook closing member, to surpass expert detective's head simultaneously and transfer technology in plane to, outer catheter axis is being overlapped with the axis of ultrasonic probe, now, under ultrasonic development, trocar sheath is sent into forward to 3cm again, then fixing, by the side pipe on sleeve pipe, connect syringe or analgesia pump again, inject the related drugs such as analgesics, the rubber plunger by sleeve pipe tail end while extracting nook closing member at once automatic sealing package is blocked sleeve pipe, prevents that medicine from overflowing from sleeve pipe.
Concrete, sleeve pipe can adopt insulant to make, or is provided with insulating barrier on the medial wall of sleeve pipe, when entangling nook closing member, can play insulating effect.Because sleeve pipe front end is provided with at least one side opening, can guarantee medicinal liquid continuous infusion in addition.X-ray shielding line in sleeve pipe, can help to observe sleeve position under ultrasonic guidance and understand injection situation, and sleeve pipe is marked with scale simultaneously, can locate.The rubber plunger of cannula end is shutoff immediately when nook closing member is extracted, and on the sidewall of sleeve pipe, is provided with side pipe, can connect syringe and analgesia pump.Nook closing member of the present invention is hollow, and pinpoint inclined plane is more blunt 30 degree, and the anchor ring of needle point is micro-zigzag and is beneficial to ultrasonic development, can reduce perineural coup injury.
The present invention compares with prior art, and its effect is actively with obvious.The present invention can complete continuous peripheral blockade operation under ultrasonic visualization guiding, due to the special construction of needle point and conduit, can increase the developing technique under ultrasonic, is difficult for injured nerve, and simple to operate, accuracy is higher.And the laminating of conduit and surrounding tissue closely, is difficult for skidding off.Sleeve pipe front end has a plurality of side openings, has guaranteed that medicinal liquid infusion is unimpeded.The scale of the X-ray opaque that it indicates, can, by understanding and put pipe and injection situation under ultrasonic development, adopt more blunt micro-dentation needle point can reduce perineural coup injury.
The present invention, in conjunction with the patented technology of applying in the past, adds the special construction more easily developing at nook closing member tip, while being more conducive to the outer technological orientation of ultrasonic short axis plane, the development of needle point, reduces neural damage; At the trocar sheath of keeping somewhere, be embedded in and strengthen the structure of developing simultaneously, be convenient to observe position and the administration of inlying catheter.
Accompanying drawing explanation:
Fig. 1 is a kind of nerve block apparatus structure schematic diagram that is beneficial to ultrasonic guidance of the present invention.
Fig. 2 is a kind of another structural representation that is beneficial to the nerve block device of ultrasonic guidance of the present invention.
Fig. 3 is the structural representation of tip portion in a kind of nerve block device that is beneficial to ultrasonic guidance of the present invention.
Fig. 4 is the structural representation of needle point and nook closing member part in a kind of nerve block device that is beneficial to ultrasonic guidance of the present invention.
The specific embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, shown in Fig. 3, shown in, a kind of peripheral nerve block device of the present invention, sleeve pipe 1 by a nook closing member 2 and a hollow forms, described nook closing member 2 is arranged in described sleeve pipe 1, wherein, the front end of described nook closing member 2 is provided with needle point 3, described needle point 3 extends the front end face of described sleeve pipe 1, the structure that has micro-dentation on the cross shaft surface of described needle point 3, on the sidewall of the leading section of sleeve pipe 1, be provided with at least one side opening 4, the tail end of sleeve pipe 1 is fixedly installed a connection tube 14, the internal diameter of described connection tube 14 is greater than the internal diameter of sleeve pipe, the central axis of connection tube 14 overlaps with the extended line of sleeve pipe central axis, in connection tube 14, be provided with a rubber plunger 5, nook closing member 2 is through described rubber plunger 5, the tail end of nook closing member 2 is fixedly installed holds the hands wing 7, described hold the outside that the hands wing 7 is positioned at connection tube 14, on connection tube 14 sidewalls in rubber plunger 5 the place aheads, be provided with a side pipe 6, described side pipe 6 is communicated with connection tube 14, the inclined-plane of described needle point 3 is provided with micro-dentalation 16, on the outer surface of nook closing member 2 that approaches needle point 3, be provided with concaveconvex structure 10, in the inwall of described sleeve pipe 1, be provided with the X-ray shielding line of at least 2, described X-ray shielding line is parallel with sleeve pipe 1 central axis.
Further, on described side pipe 6, be connected with a conduit 8, on described conduit 8, be connected with a sleeve 9.
Further, on described sleeve 9, be connected with the knob that a syringe or analgesia pump can shutoff.
Further, on the outer wall of described sleeve pipe 1, be provided with scale.
Further, the axis of the inclined-plane of described needle point 3 and described nook closing member 2 is the angle of 30 degree.
Further, described plastic bushing is just at the right time for the nerve stimulation pin as nook closing member provides an insulating barrier.
When the present invention uses, can, first according to dissecting location, determine point of puncture, after local anaesthesia, with the right hand, holding peripheral blockade indwelling casing tube 1 pin thrusts along dissecting location, when the distinctive sheath of different parts, break through after sense appearance, be combined in B location, determine after correct position, by side pipe 6, inject a certain amount of local anesthetic, left hand is extracted nook closing member 2, and the right hand is sent trocar sheath 1 pin into forward 2-3cm gently again, then uses 3M pad pasting to fix.Art finishes passes through side pipe 6 connection analgesia pumps again, and then the plunger 5 by sleeve pipe 1 tail end blocks sleeve pipe 1, prevents that medicine from overflowing from sleeve pipe 1.
Embodiment 2
As Fig. 2, shown in Fig. 3 and Fig. 4, a kind of peripheral nerve block device of the present invention, sleeve pipe 1 by a hollow forms, in described sleeve pipe 1, be provided with a nook closing member 2, the top of described nook closing member 2 is provided with a needle point 3, described needle point 3 stretches out the top of described sleeve pipe 1, on the sidewall of the front end of described sleeve pipe 1, be provided with at least one side opening 4, in the tail end of described sleeve pipe 1, be provided with a plunger 5, the tail end of described sleeve pipe 1 is also provided with a side pipe 6, described side pipe 6 is arranged on the front end of described plunger 5, described side pipe 6 and described sleeve pipe 1 are connected, the tail end of described sleeve pipe 1 is provided with one and holds the hands wing 7, described nook closing member 2 is through described plunger 5, described nook closing member 2 is connected with the described hands wing 7 of holding, the described hands wing 7 of holding is stretched out in one end of described nook closing member 2, the inclined-plane of described needle point 3 is provided with micro-dentalation 16, on the outer surface of nook closing member 2 that approaches needle point 3, be provided with concaveconvex structure 10, in the inwall of described sleeve pipe 1, be provided with the X-ray shielding line of at least 2, described X-ray shielding line is parallel with sleeve pipe 1 central axis, the end of described nook closing member 2 is connected with wire 11, on described wire 7, be connected with a socket 12, described socket 12 is connected with the plug 13 of a nerve stimulator.
Further, on the tail end of described nook closing member 2, be also connected with the pliers of nerve stimulator.
Further, on described side pipe 6, be connected with a conduit 8, on described conduit 8, be connected with a sleeve 9.
Further, on described sleeve 9, be connected with a syringe or analgesia pump or knob that can shutoff.
Further, near the nook closing member 2 described side pipe 6, be provided with at least one aperture 15.
Further, on the outer wall of described sleeve pipe 1, be provided with scale.
Further, the angle that is axially 30 degree of the inclined-plane of described needle point 3 and described nook closing member 2.
Further, described sleeve pipe 1 is just at the right time for the nerve stimulation pin as nook closing member provides an insulating barrier.
When the present invention uses, employing nerve stimulator location, after local anaesthesia, the right hand is held peripheral blockade indwelling casing tube 1 pin and is thrust along dissecting location, first put electric current 1mv, when there being target muscle contraction, the electric current of adjusting stimulator still has this innerv muscle contraction to 0.3mv, can determine nerve nearby, by side pipe 6, inject a certain amount of local anesthetic, re-use stimulator and measure, as driftlessness muscle contraction still, can extract nook closing member 2 by left hand, the right hand is sent trocar sheath 1 into forward 2-3cm gently, and 3M pad pasting is fixed.Art finishes passes through side pipe 6 connection analgesia pumps again, and then the rubber plunger 5 by sleeve pipe 1 tail end blocks sleeve pipe 1, prevents that medicine from overflowing from sleeve pipe 1.
Claims (9)
1. a nerve block device that is beneficial to ultrasonic guidance, sleeve pipe by a nook closing member and a hollow forms, described nook closing member is arranged in described sleeve pipe, the front end of described nook closing member is provided with needle point, described needle point extends the front end face of described sleeve pipe, on the sidewall of the leading section of described sleeve pipe, be provided with at least one side opening, the tail end of described sleeve pipe is fixedly installed a connection tube, the internal diameter of described connection tube is greater than the internal diameter of sleeve pipe, the central axis of described connection tube overlaps with the extended line of sleeve pipe central axis, in described connection tube, be provided with a rubber plunger, described nook closing member is through described rubber plunger, the tail end of described nook closing member is fixedly installed holds the hands wing, described hold the outside that the hands wing is positioned at connection tube, on the connection tube sidewall in described rubber plunger the place ahead, be provided with a side pipe, described side pipe is communicated with connection tube, it is characterized in that: the inclined-plane of described needle point is provided with micro-dentalation, on the outer surface of nook closing member that approaches needle point, be provided with concaveconvex structure, in the inwall of described sleeve pipe, be provided with the X-ray shielding line of at least 2, described X-ray shielding line is parallel with sleeve pipe central axis.
2. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, it is characterized in that: the end of described nook closing member is connected with wire, described wire, through holding the hands wing, is connected with a socket on described wire, described socket is connected with the plug of a nerve stimulator.
3. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 2, is characterized in that: the pliers that is also connected with a nerve stimulator on the tail end of described nook closing member.
4. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, is characterized in that: the anchor ring of needle point and the major axis of pin are the angle of 20 ~ 40 degree.
5. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, is characterized in that: one end of described side pipe is connected with a conduit, and one end of described conduit connects a sleeve.
6. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 5, is characterized in that: on described sleeve, be connected with a syringe or analgesia pump or knob that can shutoff.
7. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, is characterized in that: on the outer wall of described sleeve pipe, be provided with scale.
8. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, is characterized in that: near the nook closing member described side pipe, be provided with at least one aperture.
9. a kind of nerve block device that is beneficial to ultrasonic guidance as claimed in claim 1, is characterized in that: on the medial wall of sleeve pipe, be provided with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471509.4A CN104189973B (en) | 2014-09-16 | 2014-09-16 | A kind of nerve block device being beneficial to ultrasonic guidance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471509.4A CN104189973B (en) | 2014-09-16 | 2014-09-16 | A kind of nerve block device being beneficial to ultrasonic guidance |
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| Publication Number | Publication Date |
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| CN104189973A true CN104189973A (en) | 2014-12-10 |
| CN104189973B CN104189973B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410471509.4A Active CN104189973B (en) | 2014-09-16 | 2014-09-16 | A kind of nerve block device being beneficial to ultrasonic guidance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105126206A (en) * | 2015-09-30 | 2015-12-09 | 张慧伟 | Nerve block puncture needle |
| CN108904096A (en) * | 2018-06-11 | 2018-11-30 | 徐良 | It is a kind of for puncture injection set pipe needle |
| CN108938057A (en) * | 2018-08-07 | 2018-12-07 | 泸州市中医医院 | Nerve block sets pipe sleeve part |
| CN109223133A (en) * | 2018-11-07 | 2019-01-18 | 遵义医学院附属医院 | Ultrasonically guided percutaneous puncture bone positioning device |
| CN109662761A (en) * | 2019-02-20 | 2019-04-23 | 上海市肺科医院 | Multi-angle puncture and injection of medicine device in ultrasonic guidance lower plane |
| CN114191570A (en) * | 2021-11-26 | 2022-03-18 | 珠海金导医疗科技有限公司 | Ultrasonic developing solution and nerve block needle prepared by using same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126206A (en) * | 2015-09-30 | 2015-12-09 | 张慧伟 | Nerve block puncture needle |
| CN108904096A (en) * | 2018-06-11 | 2018-11-30 | 徐良 | It is a kind of for puncture injection set pipe needle |
| CN108938057A (en) * | 2018-08-07 | 2018-12-07 | 泸州市中医医院 | Nerve block sets pipe sleeve part |
| CN109223133A (en) * | 2018-11-07 | 2019-01-18 | 遵义医学院附属医院 | Ultrasonically guided percutaneous puncture bone positioning device |
| CN109662761A (en) * | 2019-02-20 | 2019-04-23 | 上海市肺科医院 | Multi-angle puncture and injection of medicine device in ultrasonic guidance lower plane |
| CN114191570A (en) * | 2021-11-26 | 2022-03-18 | 珠海金导医疗科技有限公司 | Ultrasonic developing solution and nerve block needle prepared by using same |
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Effective date of registration: 20220721 Address after: 453400 camel Health Industrial Park, menggang Weiyuan Industrial Zone, Changyuan City, Xinxiang City, Henan Province Patentee after: HENAN TUOREN MEDICAL DEVICE Co.,Ltd. Address before: 200065 No. 389 Village Road, Shanghai, Putuo District Patentee before: Shanghai Tongji Hospital |
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