CN204655800U - Electrode and stereotaxis percutaneous puncture implant system - Google Patents
Electrode and stereotaxis percutaneous puncture implant system Download PDFInfo
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- CN204655800U CN204655800U CN201520259963.3U CN201520259963U CN204655800U CN 204655800 U CN204655800 U CN 204655800U CN 201520259963 U CN201520259963 U CN 201520259963U CN 204655800 U CN204655800 U CN 204655800U
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- electrode
- puncture
- trocar sheath
- stereotaxis
- implant system
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Abstract
This utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, comprising: puncture portion, guide part, limiting section and electrode placement section; Described electrode placement part is inner sleeve and trocar sheath, is provided with electrode and places passage in described inner sleeve; Described puncture portion is located in trocar sheath, and exposes the drill bit in described puncture portion; Trocar sheath and puncture portion are fixed on puncture direction by described guide part; Described limiting section controls the displacement on puncture direction of trocar sheath and puncture portion; After puncture terminates, described puncture portion is removed in trocar sheath, then inner sleeve is placed in trocar sheath, place passage by described electrode and electrode is put into.A kind of electrode that this utility model provides and stereotaxis percutaneous puncture implant system, achieve safe, accurate, easy electrode and throw in.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of electrode and stereotaxis percutaneous puncture implant system
Background technology
Surgical operation is important, the effective treatment means of the one of medically intractable epilepsy, and with the accurate location in postoperative effect closely-related Shi Zhixian district.Although the fast development of electroencephalogram technology, structure and Functional imaging in recent years, make increasing medically intractable epilepsy patient can obtain good Zhi Xian district and location, brain domain by noninvasive method, but still some needs of patients is implanted, monitoring intracranial electrode electroencephalogram can locate Zhi Xian district by intracranial electrode (columnar electrode, palisade or strip shaped electric poles).The columnar electrode of current use and implant system thereof start from France's fifties in last century, although with gate-shaped electrode or (with) strip shaped electric poles compares, it has Wicresoft, is more suitable for the location in Zhi Xian district, brain deep, but there are some drawbacks: (1) electrode implanted prosthetics is loaded down with trivial details, can not once-forming minimal invasion implant electrode passage, it needs first percutaneous puncture skull duct, then just implant electrode skull duct, then through skull duct implant electrode; (2) implant direction and easily deviation occurs, need replacing apparatus to implant skull duct system after puncture, being difficult to ensure to enter skull in former direction, there is deviation in direction, then affect location, Zhi Xian district, and easily accidental injury blood vessel causes intracranial hemorrhage, increases operation risk; (3) cannot process the intracranial hematoma occurred after implant electrode.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of electrode and stereotaxis percutaneous puncture implant system, not only realizes safe, accurate, easy electrode and throws in, and also can process in time the intracranial hematoma occurred in electrode launch process.
Secondary technical problem to be solved in the utility model carries out electric coagulation hemostasis to wound in piercing process, and can not cause extra damage because of electric current to patient's scalp.
In order to solve above-mentioned technical problem, this utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, comprising: puncture portion, guide part, limiting section and electrode placement section;
Described electrode placement part is inner sleeve and trocar sheath, is provided with electrode and places passage in described inner sleeve;
Described puncture portion is located in trocar sheath, and exposes the drill bit in described puncture portion; Trocar sheath and puncture portion are fixed on puncture direction by described guide part; Described limiting section controls the degree of depth of puncture;
After puncture terminates, described puncture portion is removed in trocar sheath, then inner sleeve is placed in trocar sheath, place passage by described electrode and electrode is put into.
In a preferred embodiment: the position mutually insulated that described puncture portion and trocar sheath are nested.
In a preferred embodiment: the first fixture also comprising a drainage tube and drainage tube and trocar sheath are locked, described drainage tube to be located in trocar sheath and to be exposed the front end of drainage tube, and described front end is provided with drain side opening.
In a preferred embodiment: described electrode comprises the hard electrode tube of front end and the soft electrode tube with hard Electrode connection; Described hard electrode tube is provided with the second fixture be connected with trocar sheath.
In a preferred embodiment: the front end of described trocar sheath is provided with external screw thread, in piercing process, lock with skull; The end of described trocar sheath is provided with the first screw thread locked with the first fixture or the second fixture.
In a preferred embodiment: the hard electrode tube that described electrode comprises front end and the soft electrode tube be connected with hard electrode tube; The front of motor of described hard electrode tube and soft electrode tube is arranged at intervals with the first electrode and the second electrode, and described first electrode and the second electrode connect one to one; Through hole is had between the contact of described first electrode; The inside of described electrode is provided with the drainage tube with described through hole UNICOM, and the other end of described drainage tube extends outside described electrode.
In a preferred embodiment: described puncture portion is provided with fixture block, the end of described trocar sheath is provided with the draw-in groove connected and fixed with described fixture block.
In a preferred embodiment: described guide part is two guiders; Described guider has inner and outer tubes, and described interior pipe is provided with the passage coordinated with described puncture portion; Guider and puncture portion are locked by threaded engagement by described outer tube and interior pipe.
In a preferred embodiment: described limiting section comprises stop, screw; Described stop is provided with a screw hole and the puncture portion passage perpendicular to described screw hole.
In a preferred embodiment: described puncture portion is provided with the concave surface coordinated with described screw, is coordinated with the contact of concave surface by screw, stop and puncture portion are tightly locked.
In a preferred embodiment: also comprise a tunnel guide, after puncture terminates, intracranial dura mater and cerebral tissue is penetrated by described tunnel guide.
In some preferred embodiment: described inner sleeve can be a plurality of, the size of the electrode placement passage of each inner sleeve is all not identical, selects corresponding inner sleeve according to different electrodes.
Compared to prior art, the technical solution of the utility model possesses following beneficial effect:
1. this utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, by guider and localizer, accurate localised puncture can be realized, and after puncture terminates, trocar sheath stays intracranial, after extracting puncture portion, inner sleeve is placed in trocar sheath inside, places passage electrodes by the electrode in inner sleeve.Owing to employing inner sleeve and trocar sheath is nested, be equivalent to the internal diameter reducing trocar sheath, the accurate input of electrode can be realized; And due to trocar sheath after puncture terminates without the need to take out, remain at puncture direction on; Electrode would not be caused to place the deviation of passage because of frequent apparatus of changing like this, the accuracy of performing the operation is improved greatly.
2. this utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, the SI semi-insulation that trocar sheath and puncture portion are nested, and when carrying out electric coagulation hemostasis to the energising of puncture portion like this, the scalp of patient can not be charged and impaired because of trocar sheath.In addition, insulated part is arranged on the surface in puncture portion, and puncture terminates rear puncture portion and is namely removed, and avoids insulant and is placed in intracranial for a long time and causes extra injury to human body.
3. this utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, is also additionally provided with drainage tube, when puncturing hemorrhage, pulls out electrode and inner sleeve, drainage tube is sent into Hemorrhagic location carries out drain by being fixed on trocar sheath on skull.Electrode itself is equipped with drainage tube in addition, hemorrhage by its side pipe drain on a small quantity, gets cerebrospinal fluid carry out the research of related biological label in eeg monitoring process by side pipe.
4. this utility model provides a kind of electrode and stereotaxis percutaneous puncture implant system, and the electrode that the size that electrode places passage can be thrown in as required carries out adaptation, therefore extensively can adapt to the electrode of various sizes, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation in puncture portion in this utility model preferred embodiment 1;
Fig. 2 is the structural representation of guide part in this utility model preferred embodiment 1;
Fig. 3 is the structural representation of limiting section in this utility model preferred embodiment 1;
Fig. 4 is the structural representation of electrode placement section in this utility model preferred embodiment 1;
Fig. 5 is the structural representation of electrode in this utility model preferred embodiment 1;
Fig. 6 is the structural representation of drainage tube in this utility model preferred embodiment 1;
Fig. 7 is the combination schematic diagram of puncture portion and trocar sheath in this utility model preferred embodiment 1;
Fig. 8 is the combination schematic diagram of trocar sheath and inner sleeve in this utility model preferred embodiment 1;
Fig. 9 is the structural representation of electrode in this utility model preferred embodiment 2.
Detailed description of the invention
Hereafter with detailed description of the invention, this utility model is described further by reference to the accompanying drawings.
Embodiment one
With reference to figure 1-8, a kind of electrode and stereotaxis percutaneous puncture implant system, comprising: puncture portion 1, guide part, limiting section 3 and electrode placement section 4
Described electrode placement section 4 is inner sleeve 4 and trocar sheath 42, is provided with electrode and places passage 411 in described inner sleeve 41;
Described puncture portion 1 is located in trocar sheath 42, and exposes the drill bit 11 in described puncture portion 1; Described puncture portion 1 is provided with fixture block 12; The end of described trocar sheath 42 is provided with the draw-in groove 421 connected and fixed with described fixture block 12, thus realizes being fixedly connected with of trocar sheath 42 and puncture portion 1.The front end of described trocar sheath 42 is provided with external screw thread 422, in piercing process, realizes trocar sheath 42 lock with skull by external screw thread 422.
Trocar sheath 42 and puncture portion 1 are fixed on puncture direction by described guide part; Described guide part is two guiders 21 (figure depicts one, another in like manner); Described guider 21 has pipe 211 and outer tube 212 in one, and described interior pipe 211 is provided with the passage coordinated with described puncture portion 1; Guider 21 is locked with puncture portion 1 by threaded engagement with interior pipe 211 by described outer tube 212.
Described limiting section 3 controls the displacement on puncture direction of trocar sheath 42 and puncture portion 1; Described limiting section 3 comprises stop 31, screw 32; Described stop 31 is provided with a screw hole 311 and the puncture portion passage 312 perpendicular to described screw hole 311.
Described puncture portion 1 is provided with the concave surface 13 coordinated with described screw 32, is coordinated by the contact of screw 32 with concave surface 13, is tightly locked by stop 31 with puncture portion 1.
After puncture terminates, described puncture portion 1 is removed in trocar sheath 42, then inner sleeve 41 is placed in trocar sheath 42, place passage 411 by described electrode and electrode 5 is put into.
By above-mentioned structure, in piercing process, trocar sheath 42 pierces intracranial together with puncture portion 1, then extracts puncture portion 1 and inserts in trocar sheath 42 by inner sleeve 41, can realize electrode and throw in.Because whole process is without the need to mobile trocar sheath 42, therefore follow-up electrode is thrown in and also can accurately be realized, and there will not be the deviation of placement position.Greatly improve the degree of accuracy of whole operation.
In intracranial puncture process, patient's intracranial likely occurs hemorrhage on a small quantity, needs to carry out electric coagulation hemostasis, and therefore, described puncture portion 1 and trocar sheath, 42 positions be nested have insulant 13.When carrying out electric coagulation hemostasis to puncture portion 1 energising like this, the scalp of patient can not be charged and impaired because of trocar sheath 42.In addition, insulated part is arranged on the surface in puncture portion 1, and puncture terminates rear puncture portion 1 and is namely removed, and avoids insulant and is placed in intracranial for a long time and causes extra injury to human body.
In the present embodiment, also comprise a tunnel guide, after puncture terminates, throw in target spot by described tunnel guide through the cerebral tissue of the path planning electrode that goes directly.
In the present embodiment, the first fixture 61 also comprising a drainage tube 6 and drainage tube 6 and trocar sheath 42 are locked.Described drainage tube 6 to be located in trocar sheath 42 and to be exposed the front end of drainage tube 6, and described front end is provided with drain side opening 61.In piercing process, when intracranial hemorrhage forms alluvial, after the congestion of wound can being removed by the drain of drainage tube 6, carry out the input of electrode 5 again.Drainage tube 6 is placed in trocar sheath 42, and therefore in drainage process, trocar sheath 42 does not need mobile all the time, ensure that the accuracy of position.
One end and described first screw thread 423 of described first fixture lock, the other end has a barrier film, the inside of trocar sheath 42 is entered after described drainage tube 6 punctures described barrier film, ensure seal, prevent cerebrospinal leak, reduce intracranial infection risk, additionally by the first fixture displacement adjustable drainage tube 6 paracentesis depth, ensure that drainage tube 6 accurately arrives hematoma drain target spot.
In the present embodiment, the hard electrode tube 51 that described electrode 5 comprises front end and the soft electrode tube 52 be connected with hard electrode tube 51; Hard electrode tube 51 is provided with the second fixture 53 be connected with trocar sheath 42 end first screw thread 423.When electrode is placed into the position of needs, the end of the second fixture 53 with the first screw thread 423 is connected, get final product the position that fixed electrode is placed, and prevent cerebrospinal fluid, reduce intracranial infection risk, in addition in electrode 5 launch process, by displacement adjustable electrode 5 paracentesis depth of the second fixture 53, ensure precisely to throw in electrode.
In the present embodiment, described inner sleeve 41 can be a plurality of, and the size of the electrode placement passage 411 of each inner sleeve 41 is all not identical, selects corresponding inner sleeve 41 according to different electrodes 5.So just can the electrode 5 of adaptive various different size, very convenient.
Embodiment two
The difference of the present embodiment and embodiment one is: drainage tube and electrode are combined, and concrete structure is: the hard electrode tube 51 that described electrode 5 comprises front end and the soft electrode tube 52 be connected with hard electrode tube 51; The front of motor of described hard electrode tube 51 and soft electrode tube 52 is arranged at intervals with the first electrode 511 and the second electrode 521, and described first electrode 511 and the second electrode 521 connect one to one; Through hole 512 is had between the contact of described first electrode 511; The inside of described electrode 5 is provided with the drainage tube 513 with described through hole 512 UNICOM, and the other end of described drainage tube 513 extends outside described electrode 5.
By as above arranging, electrode place and drain hemorrhage and get cerebrospinal fluid carry out biological marker study only need can complete with a device.
The above; be only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that this utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (12)
1. electrode and stereotaxis percutaneous puncture implant system, is characterized in that comprising: puncture portion, guide part, limiting section and electrode placement section;
Described electrode placement part is inner sleeve and trocar sheath, is provided with electrode and places passage in described inner sleeve;
Described puncture portion is located in trocar sheath, and exposes the drill bit in described puncture portion; Trocar sheath and puncture portion are fixed on puncture direction by described guide part; Described limiting section controls the degree of depth of puncture;
After puncture terminates, described puncture portion is removed in trocar sheath, then inner sleeve is placed in trocar sheath, place passage by described electrode and electrode is put into.
2. electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: the position mutually insulated that described puncture portion and trocar sheath are nested.
3. according to electrode according to claim 1 and stereotaxis percutaneous puncture implant system, it is characterized in that: the first fixture also comprising a drainage tube and drainage tube and trocar sheath are locked, described drainage tube to be located in trocar sheath and to be exposed the front end of drainage tube, and described front end is provided with drain side opening.
4. electrode according to claim 3 and stereotaxis percutaneous puncture implant system, is characterized in that: described electrode comprises the hard electrode tube of front end and the soft electrode tube with hard Electrode connection; Described hard electrode tube is provided with the second fixture be connected with trocar sheath.
5. electrode according to claim 4 and stereotaxis percutaneous puncture implant system, it is characterized in that: the front end of described trocar sheath is provided with external screw thread, after puncture, trocar sheath is locked in skull; The end of described trocar sheath is provided with the first screw thread locked with the first fixture or the second fixture.
6. electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: the hard electrode tube that described electrode comprises front end and the soft electrode tube be connected with hard electrode tube; The front of motor of described hard electrode tube and soft electrode tube is arranged at intervals with the first electrode and the second electrode, and described first electrode and the second electrode connect one to one; Through hole is had between the contact of described first electrode; The inside of described electrode is provided with the drainage tube with described through hole UNICOM, and the other end of described drainage tube extends outside described electrode.
7. electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: described puncture portion is provided with fixture block, the end of described trocar sheath is provided with the draw-in groove connected and fixed with described fixture block.
8. electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: described guide part is two guiders; Described guider has inner and outer tubes, and described interior pipe is provided with the passage coordinated with described puncture portion; Guider and puncture portion are locked by threaded engagement by described outer tube and interior pipe.
9. electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: described limiting section comprises stop, screw; Described stop is provided with a screw hole and the puncture portion passage perpendicular to described screw hole.
10. electrode according to claim 5 and stereotaxis percutaneous puncture implant system, is characterized in that: described puncture portion is provided with the concave surface coordinated with described screw, is coordinated by screw with the contact of concave surface, stop and puncture portion is tightly locked.
11., according to electrode according to claim 1 and stereotaxis percutaneous puncture implant system, is characterized in that: also comprise a tunnel guide, after puncture terminates, by described tunnel guide through cerebral tissue.
12. electrodes according to any one of claim 1-11 and stereotaxis percutaneous puncture implant system, it is characterized in that: described inner sleeve can for a plurality of, the size of the electrode placement passage of each inner sleeve is all not identical, selects corresponding inner sleeve according to different electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259963.3U CN204655800U (en) | 2015-04-27 | 2015-04-27 | Electrode and stereotaxis percutaneous puncture implant system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259963.3U CN204655800U (en) | 2015-04-27 | 2015-04-27 | Electrode and stereotaxis percutaneous puncture implant system |
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| CN204655800U true CN204655800U (en) | 2015-09-23 |
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| CN201520259963.3U Active CN204655800U (en) | 2015-04-27 | 2015-04-27 | Electrode and stereotaxis percutaneous puncture implant system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939917A (en) * | 2015-04-27 | 2015-09-30 | 姚一 | Electrode and stereotactic percutaneous puncture implantation system |
| WO2023103753A1 (en) * | 2021-12-09 | 2023-06-15 | 苏州景昱医疗器械有限公司 | Auxiliary tool for surgery |
-
2015
- 2015-04-27 CN CN201520259963.3U patent/CN204655800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939917A (en) * | 2015-04-27 | 2015-09-30 | 姚一 | Electrode and stereotactic percutaneous puncture implantation system |
| WO2023103753A1 (en) * | 2021-12-09 | 2023-06-15 | 苏州景昱医疗器械有限公司 | Auxiliary tool for surgery |
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| GR01 | Patent grant |