CN201612673U - Improved peripheral nerve block retaining trocar - Google Patents
Improved peripheral nerve block retaining trocar Download PDFInfo
- Publication number
- CN201612673U CN201612673U CN2009201668217U CN200920166821U CN201612673U CN 201612673 U CN201612673 U CN 201612673U CN 2009201668217 U CN2009201668217 U CN 2009201668217U CN 200920166821 U CN200920166821 U CN 200920166821U CN 201612673 U CN201612673 U CN 201612673U
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- CN
- China
- Prior art keywords
- closing member
- peripheral nerve
- nook closing
- sleeve
- nerve block
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an improved peripheral nerve block retaining trocar which comprises a hollow sleeve, wherein the inner wall of the sleeve is provided with an attached traveler or not; a needle core is arranged in the sleeve; a needle tip is arranged at the top end of the needle core; the needle tip stretches out of the top end of the sleeve; an ultra-thin insulating coating is arranged on the outer wall of the needle core except that a small part at the front end of the needle tip is conductive; at least one side hole is arranged on the side wall at the front end of the sleeve; a rubber plunger is arranged at the tail end of the sleeve; a side pipe is also arranged at the tail end of the sleeve; the side pipe is communicated with the sleeve; a handheld wing is arranged at the tail end of the sleeve; and the needle core is connected with the handheld wing. The improved peripheral nerve block retaining trocar has the advantages of completing continuous blockage of the peripheral nerve in one step by using the method of abnormal sensation and the positioning method of a nerve stimulator without changing the pipes, having simple operation and high accuracy, not slipping off easily, learning the conditions of a retaining pipe and medicine injection through X-ray perspective, reducing direct injury to the peripheral nerve, and having a sleeve which is not broken easily.
Description
Technical field:
This utility model relates to the mankind life article, relates in particular to medical apparatus and instruments, the particularly trocar, and concrete is a kind of modified form peripheral nerve block indwelling trocar.
Background technology:
The peripheral nerve block technology can realize prolonging anesthesia, postoperative analgesia and sympatheticoparalytic effect according to the needs of operation continuously, can realize the gradation administration simultaneously, thereby reduces the danger that local anaesthetics is poisoned; In the prior art, carry out nerve block anesthesia with different sense method and nerve stimulation positioning mode in clinical, use peripheral artery vein remaining needle or company's hard external conduit, finish by disposable injection; When adopting the peripheral vein indwelling tube, adopt different sense method to judge nerve location, the sleeve pipe nook closing member is extracted, fixedly injection and keep somewhere operation and finish of trocar sheath; Because peripheral vein remaining needle sleeve pipe is softer, easily give a discount, a sleeve pipe front end opening only so easily stopped up by soft tissue, continues the injection difficulty and make in addition; Nook closing member is sharper in addition, when seeking different sense, and injured nerve easily; The trocar can't replace the stimulation pin that links to each other with nerve stimulator simultaneously, and when adopt connecting hard external conduit, insert method in the similar substantially pin of operational approach, promptly use a thicker iv cannule earlier, when determine to arrive at neural near the time, nook closing member is extracted, to connect hard external conduit again and insert, the overcoat bobbin will be extracted, the fixing hard external conduit that connects, this method is except possessing above shortcoming, also need to replace tube core, displacement easily is because hard external conduit must pass through from the trocar, so the required trocar is thicker, and is bigger to tissue injury.
Summary of the invention:
The purpose of this utility model is to provide a kind of modified form peripheral nerve block indwelling trocar, and described this modified form modified form peripheral nerve block indwelling trocar will solve periphery iv cannule in the prior art, connect hard external conduit is easily stopped up, continues injection difficulty, easily displacement and the bigger technical problem of tissue injury by soft tissue.
A kind of modified form peripheral nerve block of this utility model indwelling trocar is made of the sleeve pipe of a nook closing member and a hollow, described nook closing member is arranged in the described sleeve pipe, wherein, the front end of described nook closing member is provided with needle point, described needle point extends described telescopic front end face, the sidewall of telescopic leading section is provided with at least one side opening, telescopic tail end is set with a connection tube, the internal diameter of described connection tube is greater than telescopic internal diameter, the central axis of connection tube overlaps with the extended line of sleeve pipe central axis, be provided with a rubber plunger in the connection tube, nook closing member passes described rubber plunger, and the tail end of nook closing member is set with holds the hands wing, describedly holds the outside that the hands wing is positioned at connection tube, the connection tube sidewall in rubber plunger the place ahead is provided with a side pipe, and described side pipe is communicated with connection tube.
Further, be provided with an X-ray shielding line in the described telescopic inwall, described X-ray shielding line is parallel with the sleeve pipe central axis.
Further, described telescopic inwall has or does not have the wire loop that adheres to, and the nook closing member in this wire loop and the sleeve pipe is also fitted closely.
Further, an end of described side pipe is connected with a conduit, and an end of described conduit is connected with a sleeve.
Further, but be connected with the knob of a syringe or analgesia pump or shutoff on the described sleeve.
Further, the axial angles that become 30 degree of the inclined-plane of described needle point and nook closing member.
Further, the tail end of described nook closing member passes the described hands wing of holding, and the tail end of nook closing member is connected with a plastic beads, and described plastic beads rear end is connected with electric lead, and an end of described electric lead is connected with a solid plug.
Further, described plug is connected with the electrical socket of a nerve stimulator.
Further, the outer wall of described nook closing member pipe is provided with scale.
Further, on the described nook closing member pipe outer wall ultra-thin insulating coating is arranged, only needle point front end fraction can conduct electricity.
Further, the tail end of described trocar sheath can connect the soft rubber wedge pulvinulus that a groove is arranged in the middle of, and the hard spear material disk of the sticking obedient glue of band is once arranged under the pulvinulus, and it can directly place on the skin.
Operation principle of the present utility model is: if adopt different sense method location, after the local anaesthesia, at first insert in the subcutaneous tissue, thrust along dissecting pathway by the needle point on the nook closing member, when the patient has different sense, extract nook closing member by holding the hands wing, sleeve pipe is sent into 1-2cm more forward, fixing then, connect syringe or analgesia pump by the side pipe on the sleeve pipe again, inject related drugs such as analgesics, the rubber plunger by the sleeve pipe tail end when extracting nook closing member blocks sleeve pipe at once automatically, prevents that medicine from overflowing from sleeve pipe; If adopt the nerve stimulator location, the end of nerve stimulator by lead and nook closing member is connected, after the local anaesthesia, nook closing member is thrust along dissecting pathway, put electric current 4mv earlier, as muscle contraction, the electric current of adjusting stimulator can be determined nerve nearby to still having this innerv muscle contraction below the 0.5mv, extracts nook closing member, trocar sheath is sent into 1-2cm forward, fixing, connect syringe or analgesia pump by the side pipe on the sleeve pipe again, inject related drugs such as analgesics, rubber plunger by the sleeve pipe tail end when extracting nook closing member blocks sleeve pipe at once automatically, prevents that medicine from overflowing from sleeve pipe.
Concrete, sleeve pipe can adopt insulant to make, and perhaps the outer wall of nook closing member is provided with ultra-thin insulating barrier, and only needle point front end fraction can conduct electricity; Because the sleeve pipe front end is provided with at least one side opening, can guarantee that medicinal liquid continues infusion in addition; X-ray shielding line in the sleeve pipe can help to observe sleeve position and understand the injection situation under X-ray; The rubber plunger of tube ends is shutoff immediately when nook closing member is extracted, and telescopic sidewall is provided with side pipe, can connect syringe and analgesia pump.Nook closing member of the present utility model is solid, and pinpoint inclined plane is more blunt 30 degree, can reduce perineural coup injury.
This utility model is compared with prior art, and its effect is actively with tangible.This utility model uses different sense method and all disposable operation of nerve stimulator positioning mode to finish continuous peripheral nervous retardance, does not need replace tubes, and is simple to operate, accuracy is higher, and conduit and surrounding tissue fit closely, is difficult for skidding off, the sleeve pipe front end has a plurality of side openings, has guaranteed that the medicinal liquid infusion is unimpeded; Indicate the scale of X-ray opaque, can understand the pipe situation of putting by perspective; Adopt solid more blunt needle point can reduce to perineural coup injury.
Description of drawings:
Fig. 1 is the structural representation of this utility model modified form peripheral nerve block indwelling trocar.
Fig. 2 is another structural representation of this utility model modified form peripheral nerve block indwelling trocar.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, a kind of modified form peripheral nerve block of this utility model indwelling trocar, sleeve pipe 1 by a nook closing member 2 and a hollow constitutes, described nook closing member 2 is arranged in the 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 sidewall of the leading section of sleeve pipe 1 is provided with at least one side opening 4, the tail end of sleeve pipe 1 is set with a connection tube 14, the internal diameter of described connection tube 14 is greater than telescopic internal diameter, the central axis of connection tube 14 overlaps with the extended line of sleeve pipe central axis, be provided with a rubber plunger 5 in the connection tube 14, nook closing member 2 passes described rubber plunger 5, and the tail end of nook closing member 2 is set with holds the hands wing 7, describedly holds the outside that the hands wing 7 is positioned at connection tube 14, connection tube 14 sidewalls in rubber plunger 5 the place aheads are provided with a side pipe 6, and described side pipe 6 is communicated with connection tube 14.
Further, described sleeve pipe 1 inwall is provided with an X-ray shielding line, and the axis of described X-ray shielding line and described sleeve pipe 1 parallels.
Further, the inwall of described sleeve pipe 1 has or does not have the wire loop that adheres to, and the nook closing member in this wire loop and the sleeve pipe is also fitted closely.
Further, the inwall of described sleeve pipe 1 has or does not have the wire loop that adheres to, and the nook closing member in this wire loop and the sleeve pipe is also fitted closely.
Further, be connected with a conduit 8 on the described side pipe 6, be connected with a sleeve 9 on the described conduit 8.
Further, but be connected with the knob of a syringe or analgesia pump shutoff on the described sleeve 9.
Further, the outer wall of described nook closing member 2 is 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, ultra-thin insulating coating is arranged on the outer wall of described nook closing member 2, only needle point front end fraction can conduct electricity.
Further, the tail end of described overcoat 1 can connect the soft rubber wedge pulvinulus 15 that a groove is arranged in the middle of, and the hard spear material disk 16 of the sticking obedient glue of band is once arranged under the pulvinulus, and it can directly place on the skin.
When this utility model uses, adopt different sense method location, earlier according to dissecting the location, determine point of puncture, after the local anaesthesia, hold peripheral nervous retardance indwelling casing tube 1 pin with the right hand and thrust along dissecting the location, when the patient has different sense, left hand is extracted nook closing member 2, and the right hand is sent trocar sheath 1 pin into 1-2cm forward gently again, and is fixing then, inject local anaesthetics by side pipe 6, art finishes passes through side pipe 6 connection analgesia pumps again, and the plunger 5 by sleeve pipe 1 tail end blocks sleeve pipe 1 then, prevents that medicine from overflowing from sleeve pipe 1.
A kind of modified form peripheral nerve block of this utility model indwelling trocar, sleeve pipe 1 by a hollow constitutes, be provided with a nook closing member 2 in the described sleeve pipe 1, 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, the sidewall of the front end of described sleeve pipe 1 is provided with at least one side opening 4, be provided with a plunger 5 in the tail end of described sleeve pipe 1, the tail end of described sleeve pipe 1 also is 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 passes described plunger 5, described nook closing member 2 is connected with the described hands wing 7 of holding, one end of described nook closing member 2 stretches out the described hands wing 7 of holding, the end of described nook closing member 2 is provided with a plastic beads 10, be connected with electric lead 11 in described plastic beads rear end, be connected with a socket 12 on the described lead 11, the plug 13 of a described socket 12 and a nerve stimulator is connected, and also is connected with the pliers of nerve stimulator on the tail end of described nook closing member 2.
Further, described sleeve pipe 1 inwall is provided with an X-ray shielding line (not shown), and the axis of described X-ray shielding line and described sleeve pipe 1 parallels.
Further, the inwall of described sleeve pipe 1 has or does not have the wire loop that adheres to, and the nook closing member in this wire loop and the sleeve pipe is also fitted closely.
Further, be connected with a conduit 8 on the described side pipe 6, be connected with a sleeve 9 on the described conduit 8.
Further, but be connected with the knob of a syringe or analgesia pump or shutoff on the described sleeve 9.
Further, the outer wall of described nook closing member 2 is provided with scale.
Further, the angle that axially is 30 degree of the inclined-plane of described needle point 3 and described nook closing member 2.
Further, ultra-thin insulating coating is arranged on the outer wall of described nook closing member 2, only needle point front end fraction can conduct electricity.
Further, the tail end of described sleeve pipe 1 can connect the soft rubber wedge pulvinulus 15 that a groove is arranged in the middle of, and the hard spear material disk 16 of the sticking obedient glue of band is once arranged under the pulvinulus, and it can directly place on the skin.
When this utility model uses, employing nerve stimulator location, after the local anaesthesia, the right hand is held peripheral nervous retardance indwelling casing tube 1 pin and is thrust along dissecting the location, put electric current 4mv earlier, as muscle contraction, the electric current of adjusting stimulator can be determined nerve nearby to still having this innerv muscle contraction below the 0.5mv, and promptly left hand is extracted nook closing member 2, left hand is sent trocar sheath 1 into 1-2cm forward gently, fixing, inject local anaesthetics by side pipe 6, art finishes again by side pipe 6 connection analgesia pumps, rubber plunger 5 by sleeve pipe 1 tail end blocks sleeve pipe 1 then, prevents that medicine from overflowing from sleeve pipe 1.
More than be preferred embodiment of the present utility model, all changes of doing according to technical solutions of the utility model when the function that is produced does not exceed the scope of technical solutions of the utility model, all belong to protection of the present utility model.
Claims (10)
1. modified form peripheral nerve block indwelling trocar, sleeve pipe by a nook closing member and a hollow constitutes, described nook closing member is arranged in the described sleeve pipe, it is characterized in that: the front end of described nook closing member is provided with needle point, described needle point extends described telescopic front end face, the sidewall of telescopic leading section is provided with at least one side opening, telescopic tail end is set with a connection tube, the internal diameter of described connection tube is greater than telescopic internal diameter, the central axis of connection tube overlaps with the extended line of sleeve pipe central axis, be provided with a rubber plunger in the connection tube, nook closing member passes described rubber plunger, and the tail end of nook closing member is set with holds the hands wing, describedly holds the outside that the hands wing is positioned at connection tube, the connection tube sidewall in rubber plunger the place ahead is provided with a side pipe, and described side pipe is communicated with connection tube.
2. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: be provided with two X-ray shielding lines in the described telescopic inwall, described X-ray shielding line is parallel with the sleeve pipe central axis.
3. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: described telescopic inwall has or does not have the wire loop that adheres to, and the nook closing member in this wire loop and the sleeve pipe is also fitted closely.
4. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: an end of described side pipe is connected with a conduit, and an end of described conduit is connected with a sleeve.
5. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: be connected with a syringe or analgesia pump or shutoff knob on the described sleeve.
6. modified form peripheral nerve block indwelling trocar as claimed in claim 1, it is characterized in that: the outer wall of described nook closing member pipe is provided with scale.
7. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: ultra-thin insulating coating on the outer wall of described nook closing member pipe, only needle point front end fraction can conduct electricity.
8. modified form peripheral nerve block indwelling trocar as claimed in claim 1 is characterized in that: the axial angles that become 30 degree of the inclined-plane of described needle point and nook closing member, the inclined-plane of needle point is short inclined-plane.
9. modified form peripheral nerve block indwelling trocar as claimed in claim 1, it is characterized in that: the tail end of described nook closing member passes the described hands wing of holding, the tail end of nook closing member is connected with a plastic beads, described plastic beads rear end be connected with electric lead, an end of described electric lead is connected with a solid plug that connects.
10. modified form peripheral nerve block indwelling trocar as claimed in claim 1, it is characterized in that: the tail end of peripheral nerve block indwelling trocar trocar sheath can connect the soft rubber wedge pulvinulus that a groove is arranged in the middle of, the hard spear material disk of the sticking obedient glue of band is once arranged under the pulvinulus, and it can directly place on the skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201668217U CN201612673U (en) | 2009-07-20 | 2009-07-20 | Improved peripheral nerve block retaining trocar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201668217U CN201612673U (en) | 2009-07-20 | 2009-07-20 | Improved peripheral nerve block retaining trocar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201612673U true CN201612673U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201668217U Expired - Fee Related CN201612673U (en) | 2009-07-20 | 2009-07-20 | Improved peripheral nerve block retaining trocar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201612673U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103446656A (en) * | 2012-06-01 | 2013-12-18 | 上海市同济医院 | Anti-breaking nerve block indwelling catheter needle |
| CN103691033A (en) * | 2014-01-06 | 2014-04-02 | 张慧 | Puncture needle for brachial plexus block |
| CN104093444A (en) * | 2012-01-18 | 2014-10-08 | 德国pfm医疗有限责任公司 | Device for covering a catheter access to a human or animal body, in particular a central venous catheter access |
| CN104189973A (en) * | 2014-09-16 | 2014-12-10 | 上海市同济医院 | Nerve blocking device using ultrasonic guide |
| CN104688244A (en) * | 2015-03-25 | 2015-06-10 | 河南科技大学 | Indwelling needle set for collecting blood or administering drugs in real time |
| CN104958094A (en) * | 2015-04-27 | 2015-10-07 | 姚一 | Percutaneous minimally invasive stereotactic puncture treatment system for intracranial lesions |
| CN104971400A (en) * | 2015-07-15 | 2015-10-14 | 广西南宁灵康赛诺科生物科技有限公司 | Method for long-term intracerebral pump injection of drugs in great quantity used for primate |
| CN106361416A (en) * | 2016-09-26 | 2017-02-01 | 张广柱 | Intracerebral minimally invasive microscale multi-target-point injection system for stereoscopic direction navigation equipment |
| CN106963458A (en) * | 2017-04-28 | 2017-07-21 | 边步荣 | A kind of positioning remaining needle and its anesthesia for continuous peripheral blockade |
| CN109069183A (en) * | 2016-03-23 | 2018-12-21 | 贝塔里茨·卡斯特隆·埃尔南德斯 | Needle device for nerve block |
| CN110051937A (en) * | 2019-01-22 | 2019-07-26 | 吴威 | A kind of optical fiber fat melting equipment |
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2009
- 2009-07-20 CN CN2009201668217U patent/CN201612673U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093444A (en) * | 2012-01-18 | 2014-10-08 | 德国pfm医疗有限责任公司 | Device for covering a catheter access to a human or animal body, in particular a central venous catheter access |
| CN103446656A (en) * | 2012-06-01 | 2013-12-18 | 上海市同济医院 | Anti-breaking nerve block indwelling catheter needle |
| CN103691033A (en) * | 2014-01-06 | 2014-04-02 | 张慧 | Puncture needle for brachial plexus block |
| CN104189973A (en) * | 2014-09-16 | 2014-12-10 | 上海市同济医院 | Nerve blocking device using ultrasonic guide |
| CN104688244A (en) * | 2015-03-25 | 2015-06-10 | 河南科技大学 | Indwelling needle set for collecting blood or administering drugs in real time |
| CN104958094A (en) * | 2015-04-27 | 2015-10-07 | 姚一 | Percutaneous minimally invasive stereotactic puncture treatment system for intracranial lesions |
| CN104971400A (en) * | 2015-07-15 | 2015-10-14 | 广西南宁灵康赛诺科生物科技有限公司 | Method for long-term intracerebral pump injection of drugs in great quantity used for primate |
| CN109069183A (en) * | 2016-03-23 | 2018-12-21 | 贝塔里茨·卡斯特隆·埃尔南德斯 | Needle device for nerve block |
| CN109069183B (en) * | 2016-03-23 | 2021-03-23 | 贝塔里茨·卡斯特隆·埃尔南德斯 | Needle device for nerve block |
| CN106361416A (en) * | 2016-09-26 | 2017-02-01 | 张广柱 | Intracerebral minimally invasive microscale multi-target-point injection system for stereoscopic direction navigation equipment |
| CN106361416B (en) * | 2016-09-26 | 2018-10-19 | 张广柱 | The minimally invasive micro multiple target point injecting systems of intracerebral for stereotaxis navigation equipment |
| CN106963458A (en) * | 2017-04-28 | 2017-07-21 | 边步荣 | A kind of positioning remaining needle and its anesthesia for continuous peripheral blockade |
| CN110051937A (en) * | 2019-01-22 | 2019-07-26 | 吴威 | A kind of optical fiber fat melting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20110720 |