CN218075201U - Deep brain electrical stimulation puncture needle - Google Patents
Deep brain electrical stimulation puncture needle Download PDFInfo
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- CN218075201U CN218075201U CN202221482826.2U CN202221482826U CN218075201U CN 218075201 U CN218075201 U CN 218075201U CN 202221482826 U CN202221482826 U CN 202221482826U CN 218075201 U CN218075201 U CN 218075201U
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- puncture needle
- electrical stimulation
- deep brain
- brain electrical
- insulating
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Abstract
The utility model relates to a deep brain electrical stimulation puncture needle, which comprises a puncture needle sleeve and a needle core, wherein the near side part of the puncture needle sleeve is an insulating section, the outer wall of the insulating section is provided with an insulating layer, the length of the insulating section is 1cm smaller than that of the puncture needle sleeve, the needle core can extend into the puncture needle sleeve and extend out from the far end of the puncture needle sleeve, and the far end of the needle core is in a blunt needle shape; an insulating layer is arranged on the outer wall of the near side part of the puncture needle sleeve, so that under the protection of the insulating coating, current diffusion caused by electrocoagulation cauterization is reduced to a great extent, current interference is reduced, and the safety and the accuracy of the operation are improved; and the original operation steps are not influenced, and the application is convenient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a deep brain electricity stimulates pjncture needle.
Background
At present, during deep brain electrical stimulation surgery, the dura mater needs to be cauterized by electrocoagulation so as to facilitate subsequent puncture. The specific operation process is as follows: a monopolar contact puncture needle is used to cauterize the dura mater by puncture.
However, during this procedure, current can be caused to spread along the electrically conductive instruments and devices, causing interference with the electrophysiological monitoring equipment, which in turn affects the safety and accuracy of the procedure.
Disclosure of Invention
In view of the above, the present invention provides a deep brain electrical stimulation puncture needle, which prevents the occurrence of current diffusion when cauterizing dura mater in deep brain electrical stimulation operation through an insulation structure, and reduces the external interference on the electrophysiological monitoring equipment in operation, thereby improving the safety and accuracy of operation.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a deep brain electrical stimulation puncture needle, comprising:
the puncture needle sleeve is provided with an insulating section at the proximal part, and an insulating layer is arranged on the outer wall of the insulating section;
a stylet configured to extend into the needle cannula and out of a distal end of the needle cannula, the distal end of the stylet being of a blunt needle shape.
Preferably, the length of the insulating section is 0.8-1.2 cm smaller than that of the puncture needle sleeve.
Preferably, the length of the insulating section is 1cm smaller than the length of the puncture needle sleeve.
Preferably, the puncture needle sleeve is internally sleeved with an insulating tube.
Preferably, the puncture needle sleeve is a circular tube.
Preferably, the stylet is circular in cross-section.
Preferably, the insulating tube is a circular tube.
Preferably, the outer wall of the insulating tube is in fit contact with the inner wall of the puncture needle sleeve.
Preferably, the length of the insulating tube is less than or equal to the length of the puncture needle cannula.
Preferably, the stylet is configured to extend into and through the insulating tube.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the utility model provides a deep brain electricity stimulating puncture needle which adopts the solid blunt needle core as the electricity coagulating knife to do the electricity coagulating operation and sets the insulating layer on the near side part outer wall of the puncture needle sleeve, so that under the protection of the insulating coating, the current diffusion caused by the electricity coagulating cauterization is reduced to a great extent, the current interference is reduced, and the safety and the accuracy of the operation are improved; and the original operation steps are not influenced, and the application is convenient.
2. The utility model provides a puncture needle sleeve of brain deep electro photoluminescence pjncture needle can also set up the insulating tube in, further strengthens insulating effect, further reduces the current interference and improves the security of operation.
Drawings
Fig. 1 is a schematic structural view of a deep brain electrical stimulation puncture needle according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a deep brain electrical stimulation puncture needle according to an embodiment of the present invention.
In the drawings, the reference numbers:
1 is a puncture needle sleeve, 101 is an insulating layer, 2 is a needle core, and 3 is an insulating tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Distal or distal end: in this specification, when describing the present invention with reference to "distal side or end", the term refers to a side away from an operator or close to an object to be operated.
Proximal or proximal end: in this specification, when describing the device of the present invention with reference to "proximal or proximal end", the term refers to the side closer to the operator or further away from the object being operated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a brain deep electricity stimulating needle through setting up insulation system, can avoid the electrophysiology monitoring facilities that the current diffusion leads to receive external disturbance when burning the dura in brain deep electricity stimulating art, guarantees operation security and accuracy nature.
The following describes in detail a deep brain electrical stimulation puncture needle according to an embodiment of the present invention with reference to the drawings.
Examples
Referring to fig. 1, the deep brain electrical stimulation puncture needle provided by the embodiment comprises a puncture needle sleeve 1 and a needle core 2, wherein the proximal part of the puncture needle sleeve 1 is an insulating section, the outer wall of the insulating section is provided with an insulating layer 101, and the length of the insulating section can be 0.8-1.2 cm, preferably 1cm, smaller than the length of the puncture needle sleeve, namely, the length of the uninsulated distal part of the puncture needle sleeve is 0.8-1.2 cm, preferably 1cm. The needle core 2 may extend into the needle cannula 1 and out the distal end of the needle cannula 1. The distal end of the needle core 2 is in the shape of a blunt needle, i.e., not tapered, and may be, for example, an arc-shaped convex structure.
Referring to fig. 2, in the deep brain electrical stimulation puncture needle of the present embodiment, an insulating tube may be further sleeved in the puncture needle cannula 1 for enhancing the insulating effect. The length of the insulating tube 3 can be less than or equal to the length of the puncture needle sleeve 1. The distal end portion of the insulating tube 3 is located inside the end portion of the puncture needle cannula 1, or the distal end portion of the insulating tube 3 is flush with the end portion of the puncture needle cannula 1, that is, the distal end portion of the insulating tube 3 does not extend beyond the distal end portion of the puncture needle cannula 1. In this embodiment, the needle core 2 passes through the insulating tube and protrudes from the distal end of the insulating tube 3 and the distal end of the puncture needle cannula 1 when inserted into the puncture needle cannula 1, the needle core 2 and the insulating tube 3 may be coaxial, and an annular gap may be provided between the outer wall of the needle core 2 and the inner wall of the insulating tube 3.
In the deep brain electrical stimulation puncture needle of the present embodiment, the puncture needle cannula 1 may be a circular tube. The stylet 2 may be circular in cross-section. The insulating tube 3 may be a circular tube. The outer wall of the insulating tube 3 can be attached to and contacted with the inner wall of the puncture needle sleeve 1.
In the deep brain electrical stimulation puncture needle of the embodiment, the near side part of the puncture needle sleeve 1 is used as an insulation section, the outer wall of the near side part of the puncture needle sleeve 1 is treated by an insulation coating to form an insulation layer 101, and meanwhile, the outer wall of the part, preferably 1cm, of the far side part of the puncture needle sleeve 1 is kept not to be treated by the insulation coating, so that when the deep brain electrical stimulation puncture needle is used for electrocautery operation, current can be prevented from being diffused to an operation head frame and an electrical physiological instrument device through the puncture needle when electrocautery is used for cauterizing dura, current interference and device damage caused by the current can be avoided, and operation precision and safety can be improved. The insulating layer 101 may be a tubular structure made of teflon, and the insulating layer 101 may be a hydrophilic coating with a smooth surface to reduce friction against surrounding tissues during the implantation process. The needle cannula 1 may be made of stainless steel or an alloy such as the conventional 304 stainless steel for medical use. The needle core 2 can be made of conductive materials commonly used by electrocoagulation cutters, such as iron-chromium alloy, tungsten, copper and the like, and can also be made of conventional medical 304 stainless steel.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A deep brain electrical stimulation puncture needle is characterized by comprising:
the puncture needle comprises a puncture needle sleeve (1), wherein the near side part of the puncture needle sleeve is an insulating section, and the outer wall of the insulating section is provided with an insulating layer (101);
a needle core (2) configured to extend into the puncture needle cannula (1) and to extend from a distal end of the puncture needle cannula (1), the distal end of the needle core (2) being in the shape of a blunt needle.
2. The deep brain electrical stimulation puncture needle according to claim 1, wherein the length of the insulation section is 0.8-1.2 cm smaller than the length of the puncture needle cannula (1).
3. The deep brain electrical stimulation puncture needle according to claim 2, wherein the length of the insulating section is smaller than the length of the puncture needle cannula (1) by 1cm.
4. The deep brain electrical stimulation puncture needle according to any one of claims 1 to 3, wherein an insulating tube (3) is sleeved in the puncture needle sleeve (1).
5. The deep brain electrical stimulation puncture needle according to claim 4, wherein the puncture needle cannula (1) is a circular tube.
6. The deep brain electrical stimulation puncture needle according to claim 5, wherein the cross section of the needle core (2) is circular.
7. The deep brain electrical stimulation puncture needle according to claim 5, wherein the insulating tube (3) is a circular tube.
8. The deep brain electrical stimulation puncture needle according to claim 7, wherein the outer wall of the insulating tube (3) is in fit contact with the inner wall of the puncture needle sleeve (1).
9. The deep brain electrical stimulation puncture needle according to claim 4, wherein the length of the insulating tube (3) is less than or equal to the length of the puncture needle cannula (1).
10. The deep brain electrical stimulation puncture needle according to claim 4, wherein the needle core (2) is configured to protrude into and through the insulation tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482826.2U CN218075201U (en) | 2022-06-14 | 2022-06-14 | Deep brain electrical stimulation puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482826.2U CN218075201U (en) | 2022-06-14 | 2022-06-14 | Deep brain electrical stimulation puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218075201U true CN218075201U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221482826.2U Active CN218075201U (en) | 2022-06-14 | 2022-06-14 | Deep brain electrical stimulation puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218075201U (en) |
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2022
- 2022-06-14 CN CN202221482826.2U patent/CN218075201U/en active Active
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