CN110251128A - A kind of flexible detection needle - Google Patents
A kind of flexible detection needle Download PDFInfo
- Publication number
- CN110251128A CN110251128A CN201910673047.7A CN201910673047A CN110251128A CN 110251128 A CN110251128 A CN 110251128A CN 201910673047 A CN201910673047 A CN 201910673047A CN 110251128 A CN110251128 A CN 110251128A
- Authority
- CN
- China
- Prior art keywords
- nerve
- probe
- handle
- monitor
- silicon rubber
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 210000005036 nerve Anatomy 0.000 claims abstract description 64
- 239000000523 sample Substances 0.000 claims abstract description 46
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 19
- 238000002567 electromyography Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- 230000001537 neural effect Effects 0.000 abstract description 3
- 239000000741 silica gel Substances 0.000 abstract description 3
- 229910002027 silica gel Inorganic materials 0.000 abstract description 3
- 230000004936 stimulating effect Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007383 nerve stimulation Effects 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 206010029260 Neuroblastoma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004112 neuroprotection Effects 0.000 description 1
- 210000000196 olfactory nerve Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000392 somatic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
A kind of flexible detection needle, it includes: one handle (4), which grasps for doctor and the installation carrier as probe, conducting wire and control unit；One conducting wire (6), the conducting wire (6) is for the stimulated current of nerve monitor to be introduced into probe, its one end is connected by socket (7) with mind with patient monitor, and the other end is connect with probe electrical；One probe (1), the probe (1) is mounted on handle (1), for being contacted with human nerve, the electric current of nerve monitor is sent into human nerve, make to generate electromyography signal after nerve is stimulated, electromyography signal is sent into nerve monitor by signal pickup assembly, is shown after nerve monitor is handled；It is characterized in that the probe (1) is at least made of a high-conductivity silicon rubber silk.The configuration of the present invention is simple, it is easily manufactured.By adjusting the formula of silica gel, the probe of different flexibilities can be produced, can be not only used for fragile nerve, it can also be used to general neural detection.
Description
Technical field
The present invention relates to a kind of medical instruments, especially one kind and the matching used detection needle of nerve monitor, specifically
Say it is a kind of flexible detection needle.
Background technique
During surgery, neuroprobe needle is often used.The neuroprobe needle of the prior art, by with nerve monitor
It is connected, surgeon is positioned and identified the nerve being in danger in surgical area using neuroprobe needle, thus in hand
Protect nerve injury-free during art.
The prior art has the disadvantage in that 1, the detection needle part of neuroprobe needle currently on the market is fixed, nothing
Method is flexible, and surgeon is bad in use to control the dynamics of using, and when detection nerve exerted oneself conference to the mind of patient
Through or tissue damage, when detection nerve, is firmly too small, is unable to ensure that nerve probe and tissue are reliable to be contacted and export
Stable stimulated current, to influence judgement of the surgeon to nerve positioning and identification.2, for some especially fragile groups
Knit, if cranial nerve is very fragile, even if using it is shrinkable with spring structure detection needle (such as application No. is
201810863181.9) still neurotrosis can be caused due to acting on too big, causes irremediable malpractice, still to this
Without good solution.
Summary of the invention
The purpose of the present invention is easily cause to damage to fragile nerve for for existing neuroprobe needle, that there are rigidity is excessive
The problem of hurting, designs that a kind of flexibility is fabulous, and the flexible detection needle of damage will not be caused to nerve.
The technical scheme is that
A kind of flexible detection needle, it includes:
One handle 4, which grasps for doctor and the installation carrier as probe, conducting wire and control unit；
One conducting wire 6, for the conducting wire 6 for the stimulated current of nerve monitor to be introduced into probe, its one end passes through socket 7 and mind
It is connected with patient monitor, the other end is connect with probe electrical；
One probe 1, which is mounted on handle 1, and for contacting with human nerve, the electric current of nerve monitor is sent into people
Somatic nerves makes to generate electromyography signal after nerve is stimulated, and electromyography signal is sent into nerve monitor by signal pickup assembly, warp
It is shown after nerve monitor processing；
It is characterized in that the probe 1 is at least made of a high-conductivity silicon rubber silk.
The probe 1 is made of more an of row or multiple rows of more high-conductivity silicon rubber silks, and a row more or more
It arranges the end surface that more high-conductivity silicon rubber silk probes 1 are connected with handle 4 and is set with insulating layer 2, the other end exposes insulating layer
Outside in order to which nerve is in contact.
The probe 1 forms fascicular texture, the pencil high-conductivity silicon rubber silk by more high-conductivity silicon rubber silks
The end surface that probe 1 is connected with handle 4 is set with insulating layer 2, and it is outer in order to which nerve is in contact that the other end exposes insulating layer.
The diameter of the high-conductivity silicon rubber silk is not less than 0.01 millimeter, such as 0.01-1 millimeters.
Current regulating module is installed in the handle 4, handle 4 is equipped with current regulating switch 5, current module it is defeated
Outlet is connect with probe electrical.
Electric current display module is installed, handle 4 is equipped with electric current display screen in the handle 4.
Beneficial effects of the present invention:
1, the sound end of flexible stylet is designed like the structure of writing brush type brush, and in use, probe contacts arrive surgeon
When fragile nerve or tissue, the wire electrode meeting stress bending of sound end (can be obtained, wire electrode is in stress 0.1N by test
Can deformation occurs, will probe to nerve or tissue caused by damage be preferably minimized), at this time surgeon's handheld probe to
Survey region is inswept, and when wire electrode touches nerve, nerve stimulation causes electromyography signal, and patient monitor captures flesh by sensor
Electric signal, so that surgeon be helped to position and identify nerve.
2, because of the difference of individuality, the size of the nerve stimulating current value needed in every patient art is different, and is needed
Surgeon continuously adjusts nerve stimulating current value size in art, since handle is equipped with current regulation part, surgeon
It can be according to the size for needing voluntarily quickly, easily and accurately to adjust nerve stimulating current value in operation.
3, electric silica gel is creatively applied in neuroprobe by the present invention, solves the problems, such as flexible and conduction, both
The electric conductivity that can guarantee good flexibility, and can guarantee.
4, the configuration of the present invention is simple, it is easily manufactured.By adjusting the formula of silica gel, the probe of different flexibilities can be produced,
It can be not only used for fragile nerve, it can also be used to general neural detection.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the head enlarged structure schematic diagram of flexible stylet of the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figs. 1-2.
A kind of flexible detection needle, it includes: handle 4, conducting wire 6 and probe 1, as shown in Figure 1, handle 4 grasps simultaneously for doctor
Installation carrier as probe, conducting wire and control unit；Conducting wire 6 is used to for the stimulated current of nerve monitor being introduced into probe,
Its one end is connected by socket 7 with mind with patient monitor, and the other end is connect with probe electrical；Probe 1 is mounted on handle 1, is used
It is contacted in human nerve, the electric current of nerve monitor is sent into human nerve, make to generate electromyography signal, flesh after nerve is stimulated
Electric signal is sent into nerve monitor by signal pickup assembly, is shown after nerve monitor is handled；The probe 1
It is at least that 0.01-1 millimeters of high-conductivity silicon rubber silks form by a diameter, minimum force 0.1N, i.e., when contact force is big
When 0.1N, lateral bending occurs for high-level electricity silicon rubber silk, and active force, which is decomposed, to be prevented from stabbing nerve.As shown in Fig. 2, tool
For body, probe 1 can be made of more an of row or multiple rows of more high-conductivity silicon rubber silks, more an of row or more multiple rows of
The end surface that high-conductivity silicon rubber silk probe 1 is connected with handle 4 is set with insulating layer 2, the other end expose insulating layer it is outer so as to
It is in contact in nerve.Similarly, probe 1 can also be made of fascicular texture more high-conductivity silicon rubber silks, and the pencil height is led
The end surface that electric silicon rubber silk probe 1 is connected with handle 4 is set with insulating layer 2, and it is outer in order to mind that the other end exposes insulating layer
Through being in contact.One end of every probe 1 and nerve contact is preferably made spherical structure.
When it is implemented, checking nerve monitor repeatedly to reduce operative doctor, the size of stimulated current is grasped at any time,
Other than stimulated current regulating switch is set on patient monitor, stimulated current regulating switch can be also advanced in operation handle 4,
Current regulating module is installed in handle 4, handle 4 is equipped with current regulating switch 5, the output end and probe of current module
Electrical connection, while electric current display module being installed in handle 4, handle 4 is equipped with electric current display screen.
The working principle of the invention is:
The present invention is used for medical field, and during surgery, operator usually requires to carry out patient with operation neural monitoring, prevents in hand
The damage that nerve is caused in art is exactly one for some especially fragile tissues or nerve (such as brain neuroblastoma), the present invention
Flexible neuroprobe needle of the kind for nerve monitoring.The specific working principle is as follows:
Such as Fig. 1, flexible neuroprobe needle of the invention must cooperate nerve monitor to be used together.
The connection of patient monitor is finished first, patient monitor needs to carry out electrode inspection, checks electrode integrality.
During surgery, surgeon's handheld probe is inswept in region to be measured, and when probe touches nerve, nerve stimulation is drawn
Electromyography signal is played, after patient monitor captures electromyography signal by sensor, is shown by the display screen of patient monitor, and pass through
Sound is alarmed, and assisted surgery doctor confirms nerve location, to carry out neuroprotection.
Meanwhile because of the difference of individuality, the size of the nerve stimulating current value needed in every patient art is different, and is needed
It wants surgeon to continuously adjust nerve stimulating current value size in art, is opened since handle is equipped with nerve stimulating current adjustment
It closes, surgeon can be according to the size for needing voluntarily quickly, easily and accurately to adjust nerve stimulating current value in operation.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of flexible detection needle, it includes:
One handle (4), which grasps for doctor and the installation carrier as probe, conducting wire and control unit；
One conducting wire (6), for the conducting wire (6) for the stimulated current of nerve monitor to be introduced into probe, its one end passes through socket
(7) it is connected with mind with patient monitor, the other end is connect with probe electrical；
One probe (1), which is mounted on handle (1), for contacting with human nerve, by the electric current of nerve monitor
It is sent into human nerve, makes to generate electromyography signal after nerve is stimulated, electromyography signal is sent into nerve monitoring by signal pickup assembly
In instrument, shown after nerve monitor is handled；
It is characterized in that the probe (1) is at least made of a high-conductivity silicon rubber silk.
2. flexible detection needle according to claim 1, it is characterized in that the probe (1) is by more an of row or more multiple rows of
High-conductivity silicon rubber silk composition, more an of row or multiple rows of more high-conductivity silicon rubber silks probe (1) are connected with handle (4)
End surface be set with insulating layer (2), it is outer in order to which nerve is in contact that the other end exposes insulating layer.
3. flexible detection needle according to claim 1, it is characterized in that described probe (1) the You Duogen high-conductivity silicon rubber silk
Fascicular texture is formed, the end surface that the pencil high-conductivity silicon rubber silk probe (1) is connected with handle (4) is set with insulation
Layer (2), it is outer in order to which nerve is in contact that the other end exposes insulating layer.
4. flexible detection needle according to claim 1, it is characterized in that the diameter of the high-conductivity silicon rubber silk is not less than
0.01 millimeter.
5. flexible detection needle according to claim 1, it is characterized in that being equipped with current regulation mould in the handle (4)
Block, handle (4) are equipped with current regulating switch (5), and the output end of current module is connect with probe electrical.
6. flexible detection needle according to claim 1, it is characterized in that being equipped with electric current in the handle (4) shows mould
Block, handle (4) are equipped with electric current display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673047.7A CN110251128A (en) | 2019-07-24 | 2019-07-24 | A kind of flexible detection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673047.7A CN110251128A (en) | 2019-07-24 | 2019-07-24 | A kind of flexible detection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110251128A true CN110251128A (en) | 2019-09-20 |
Family
ID=67928101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910673047.7A Pending CN110251128A (en) | 2019-07-24 | 2019-07-24 | A kind of flexible detection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110251128A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1471565A (en) * | 1974-09-27 | 1977-04-27 | Concept | Variable output nerve locator |
| DE10311684A1 (en) * | 2003-03-16 | 2004-09-30 | Isps-Gmbh | Endoscopic neuro-stimulation probe for stimulation of various body parts has a probe body and probe head that has at least two bent hooks, which are rounded at their ends, for precise attachment to the nerves |
| WO2013163307A2 (en) * | 2012-04-25 | 2013-10-31 | Medtronic Xomed, Inc. | Stimulation probe for robotic and laparoscopic surgery |
| US20160206362A1 (en) * | 2015-01-21 | 2016-07-21 | Serene Medical, Inc. | Systems and devices to identify and limit nerve conduction |
| US20170340283A1 (en) * | 2016-05-24 | 2017-11-30 | Ironwood Electronics, Inc. | Needle probe array and methods regarding same |
| CN108852351A (en) * | 2018-08-01 | 2018-11-23 | 江苏百宁盈创医疗科技有限公司 | A kind of neuroprobe needle that can perceive contact condition |
| CN210871577U (en) * | 2019-07-24 | 2020-06-30 | 江苏百宁盈创医疗科技有限公司 | Flexible probe |
-
2019
- 2019-07-24 CN CN201910673047.7A patent/CN110251128A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1471565A (en) * | 1974-09-27 | 1977-04-27 | Concept | Variable output nerve locator |
| DE10311684A1 (en) * | 2003-03-16 | 2004-09-30 | Isps-Gmbh | Endoscopic neuro-stimulation probe for stimulation of various body parts has a probe body and probe head that has at least two bent hooks, which are rounded at their ends, for precise attachment to the nerves |
| WO2013163307A2 (en) * | 2012-04-25 | 2013-10-31 | Medtronic Xomed, Inc. | Stimulation probe for robotic and laparoscopic surgery |
| US20160206362A1 (en) * | 2015-01-21 | 2016-07-21 | Serene Medical, Inc. | Systems and devices to identify and limit nerve conduction |
| US20170340283A1 (en) * | 2016-05-24 | 2017-11-30 | Ironwood Electronics, Inc. | Needle probe array and methods regarding same |
| CN108852351A (en) * | 2018-08-01 | 2018-11-23 | 江苏百宁盈创医疗科技有限公司 | A kind of neuroprobe needle that can perceive contact condition |
| CN210871577U (en) * | 2019-07-24 | 2020-06-30 | 江苏百宁盈创医疗科技有限公司 | Flexible probe |
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