CN206576864U - A kind of myoelectricity pin - Google Patents
A kind of myoelectricity pin Download PDFInfo
- Publication number
- CN206576864U CN206576864U CN201621394982.8U CN201621394982U CN206576864U CN 206576864 U CN206576864 U CN 206576864U CN 201621394982 U CN201621394982 U CN 201621394982U CN 206576864 U CN206576864 U CN 206576864U
- Authority
- CN
- China
- Prior art keywords
- syringe
- shell fragment
- myoelectricity
- needle handle
- pin
- 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.)
- Active
Links
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model discloses a kind of myoelectricity pin, including the syringe and conductive filament being coaxially arranged, it is arranged on the needle handle of syringe tail end, it is placed on the separation sleeve that needle handle interior energy conductive shell fragment, contact pin and insulating materials are made, insulating barrier is provided between syringe and conductive filament, separation sleeve isolates shell fragment and contact pin, and shell fragment is electrically connected with syringe tail end, and tail end and the contact pin of conductive filament make electrical contact with.Myoelectricity needle set of the present utility model has the advantages that to be reliably connected with external conducting wire, and bioelectrical signals produced in human muscle's stir yourself effectively can be gathered.
Description
Technical field
The utility model is related to technical field of medical equipment, more particularly to a kind of myoelectricity pin.
Background technology
Skeletal muscle understands conduction and the expansion cloth due to muscle fibre action potential and occurs potential change in excitation time, this electricity
Position change is referred to as myoelectricity.Obtained by the potential change that skeletal muscle excitation time occurs is guided, amplifies and recorded with appropriate method
Figure, referred to as electromyogram.Different according to bootstrap technique, electromyogram is divided into following two：One kind is from motion with surface electrode
The electromyogram that the corresponding skin surface guiding myoelectrical activity of flesh is obtained, is called surface electromyography (SEMG)；Another is logical
Pin electrode, including single-needle electrodes, monopole are crossed with core needle electrode, bipolar same core needle electrode, many guide pin electrodes and single muscle fibre pin electricity
Pole, will be pierced into musculature in about 75 μm~3mm diameter ranges of needle point 1 or 2 muscle fibre to tens of muscle fibre myoelectricities
The pin electrode electromyogram that activity is guided, amplified and recorded.Electromyographic signal is a kind of ultra-weak electronic signal in itself, add skin and
Tissue has attenuation to myoelectricity, so surface electromyogram signal is weaker than the electromyographic signal that pin electrode is recorded, be also easier to by
To interference.
Because myoelectricity pin (pin electrode for gathering myoelectricity is referred to as into myoelectricity pin below) needs to insert the body of patient when in use
It is interior, and the device for gathering bioelectrical signals existing at present is inserting the problem of producing cross-infection after human body, merely
It is not enough to prevent cross-infection by disinfection way.The patent of Application No. 03249415.7 discloses one kind, and " plug-in type is medical
Disposable pin electrode ", the pin electrode body of the pin electrode can be fixed by way of needle handle is inserted into pin electrode body socket,
Be easy to change disposable pin electrode body, its exist be easily caused after pin electrode body is matched with the jack on socket landing or
Conductive bad defect, so as to influence the Detection results of bioelectrical signals.In view of this, it is necessary to be used for of the prior art
The myoelectricity pin of collection bioelectrical signals is improved, to solve the above problems.
Utility model content
The purpose of this utility model is to disclose a kind of myoelectricity pin, to realize to produced in human muscle's stir yourself
Bioelectrical signals be acquired, it has the advantages that convenient connection, and can realize and electrically connected with the reliable of external conducting wire.
In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：
A kind of myoelectricity pin, including the syringe and conductive filament being coaxially arranged, are arranged on the needle handle of syringe tail end, are placed on needle handle
The separation sleeve that interior and can be conductive shell fragment, contact pin and insulating materials be made, is provided with insulating barrier, syringe between syringe and conductive filament
Head end formation syringe needle, the tail end of needle handle is provided with entrance, and separation sleeve isolates contact pin with shell fragment, shell fragment along needle handle inwall stretch into
Mouthful, shell fragment is electrically connected with syringe tail end, and separation sleeve is provided with through hole, and one end insertion separation sleeve of contact pin, the other end of contact pin stretches to
Entrance, the tail end of conductive filament is inserted from the other end of through hole and made electrical contact with contact pin.
The beneficial effects of the utility model are：The myoelectricity pin that the utility model is provided is improved to be connected with external conducting wire
Reliability, the bioelectrical signals produced by human muscle's stir yourself can effectively be gathered.In actual use,
External leading wire connector is inserted into the entrance of needle handle, two electrodes of external conducting wire respectively with the shell fragment and contact pin in needle handle
Electrical contact.In myoelectricity pin insertion human muscular tissue, by the loop of conductive filament and syringe formation to human muscular tissue in work
Bioelectrical signals produced by during dynamic are acquired, and are transferred to and are shown on a monitor by external conducting wire.
In some embodiments, shell fragment has two, and two shell fragments are connected.Two shell fragments are set to prevent one
When shell fragment is with external conducting wire loose contact, another shell fragment is still turned on.
In some embodiments, the end of shell fragment is provided with kink.Kink can be such that external conducting wire smoothly inserts
Enter needle handle, the end of shell fragment is propped up when preventing from inserting external leading wire connector, lead to not smoothly insertion, or even can be by shell fragment pressure
Deformation.
In some embodiments, needle handle inwall forms two elongated slots, and shell fragment is placed in elongated slot.If shell fragment is not set
, can be relatively more painstaking when separation sleeve is assembled in needle handle in elongated slot, and understand extrusion elastic and deform shell fragment.
In some embodiments, the outer side ring week shaping of separation sleeve is fluted, and the inwall of needle handle is provided with and groove match
Projection, projection is fastened in groove.When separation sleeve is loaded into needle handle, projection is fastened in groove, can further fix isolation
Set, prevents separation sleeve from moving.
In some embodiments, the outer wall ring week of needle handle is provided with bulge loop.Doctor can grip the bulge loop, and syringe is accurate
Insert in musculature.
In some embodiments, conductive filament is made of platinum wire or stainless steel wire.
In some embodiments, the material of syringe is stainless steel.Stainless steel material has good rigidity, and source is wide
It is general.
In some embodiments, syringe needle tool inclined plane, the angle between inclined plane and syringe is 10~25 degree, is conducive to
Syringe is inserted into musculature.
In some embodiments, shell fragment and contact pin are made up of brass.Brass conductive is good, and wide material sources.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of myoelectricity pin of the present utility model.
Fig. 2 is the top view of the needle handle of myoelectricity pin of the present utility model.
Embodiment
The embodiment of myoelectricity pin of the present utility model is elaborated with reference to Fig. 1-2.
As shown in figure 1, in the present embodiment, a kind of myoelectricity pin, including the syringe 1 and conductive filament 2 being coaxially arranged, set
In the needle handle 4 of the tail end of syringe 1, the shell fragment 5 inside needle handle 4, contact pin 6 and the separation sleeve 7 being made up of insulating materials are placed on.Pin
There is insulating barrier 3 between cylinder 1 and conductive filament 2, the head end of syringe 1 is formed with syringe needle 11.Separation sleeve 7 keeps apart shell fragment 5 and contact pin 6,
Make their mutually insulateds.Needle handle 4 is made of plastics, and the tail end of needle handle 4 has the entrance 44 inserted for external conducting wire.The He of syringe 1
The tail end of conductive filament 2 stretches into needle handle 4, and the built-in length of conductive filament 2 is longer than syringe 1.Inwall of the shell fragment 5 along needle handle 4 stretch into
Mouth 44, the other end of shell fragment 5 is wrapped on the outer wall of syringe 1, realizes the electrical connection of shell fragment 5 and syringe 1.Separation sleeve 7 is set in
In needle handle 4, the center of separation sleeve 7 is formed in through hole 71, the through hole 71 of the one end of contact pin 6 insertion separation sleeve 7, the other end stretch into
Mouth 44.The tail end of conductive filament 2 inserts separation sleeve 7 from the other end of through hole 71, and is made electrical contact with contact pin 6., will in actual use
Joint on external conducting wire is inserted into entrance 44, and effect meeting and an electrode of external conducting wire of the shell fragment 5 due to elasticity are tight
Contiguity is touched, and another electrode and the contact pin 6 of external conducting wire make electrical contact with.In myoelectricity pin insertion human muscular tissue, pass through conduction
The bioelectrical signals produced in active procedure to human muscular tissue with the loop of the formation of syringe 1 of silk 2 are acquired, and are led to
Cross external conducting wire and be transferred to and shown on a monitor.
In the present embodiment, shell fragment 5 has two, and two shell fragments 5 are connected as a single entity.When a shell fragment 5 and external conducting wire
During loose contact, another shell fragment 5 remains able to conducting.The quantity of shell fragment 5 is not limited to present embodiment, or one
Or it is multiple.Two elongated slots 42 are opened up in the inwall of needle handle 4, shell fragment 5 is placed in elongated slot 42, and along the inwall of needle handle 4
Stretch to entrance 44., can be relatively more painstaking when separation sleeve 7 is assembled in needle handle 4 if shell fragment 5 is not located in elongated slot 42, and
Understand extrusion elastic 5 and deform shell fragment 5.The end of shell fragment 5 is provided with kink 51, and kink 51 can make external conducting wire smooth
Ground inserts needle handle 4, and the end of shell fragment 5 is propped up when preventing from inserting external conducting wire, leads to not smoothly insertion, or even can be by shell fragment
5 compressive strains.
For further fixed separation sleeve 7, prevent it from being moved in needle handle 4, ring week forms on the outer wall of separation sleeve 7
Groove 72, forms the projection 43 corresponding with groove 72 on the inwall of needle handle 4, and projection 43 is stuck in groove 72, can limited
Separation sleeve 7 is moved in needle handle 4.
Syringe 1 is inserted in musculature for the ease of doctor, in the present embodiment, in all shapes of the outer wall ring of needle handle 4
Into there is bulge loop 41, doctor can grip the bulge loop 41 by syringe 1 accurately insertion musculature.
In the present embodiment, conductive filament 2 is made of platinum wire or stainless steel wire, and syringe 1 uses stainless steel, the He of shell fragment 5
Contact pin 6 is made up of brass.
In the present embodiment, the syringe needle 11 tool inclined plane 111, the angle between the inclined plane 111 and syringe 1 is 10
~25 degree, it is more beneficial for syringe 1 inserting musculature.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. a kind of myoelectricity pin, it is characterised in that including the syringe (1) and conductive filament (2) being coaxially arranged, be arranged on syringe (1) tail
The needle handle (4) at end, is placed on the separation sleeve that in needle handle (4) and the conductive shell fragment (5) of energy, contact pin (6) and insulating materials are made
(7) insulating barrier (3), is provided between the syringe (1) and conductive filament (2), syringe (1) the head end formation syringe needle (11) is described
The tail end of needle handle (4) is provided with entrance (44), and the separation sleeve (7) isolates the contact pin (6) with the shell fragment (5), the bullet
Piece (5) stretches to the entrance (44) along the needle handle (4) inwall, and the shell fragment (5) and the tail end of the syringe (1) are electrically connected
Connect, the separation sleeve (7) is provided with through hole (71), the through hole (71) is inserted in one end of the contact pin (6), the contact pin (6)
The other end stretches to the entrance (44), the tail end of the conductive filament (2) from the other end insertion of the through hole (71) and with it is described
Contact pin (6) makes electrical contact with.
2. myoelectricity pin according to claim 1, it is characterised in that the shell fragment (5) has two, two shell fragments (5)
It is connected.
3. myoelectricity pin according to claim 1, it is characterised in that the end of the shell fragment (5) is provided with kink (51).
4. myoelectricity pin according to claim 1, it is characterised in that needle handle (4) inwall forms elongated slot (42), described
Shell fragment (5) is placed in the elongated slot (42).
5. myoelectricity pin according to claim 1, it is characterised in that the outer side ring week shaping of separation sleeve (7) is fluted
(72), the inwall of the needle handle (4) is provided with the projection (43) matched with the groove (72), and the projection (43) is fastened on institute
State in groove (72).
6. myoelectricity pin according to claim 1, it is characterised in that the outer wall ring week of the needle handle (4) is provided with bulge loop (41).
7. myoelectricity pin according to claim 1, it is characterised in that the conductive filament (2) uses platinum wire or stainless steel wire system
Into.
8. myoelectricity pin according to claim 1, it is characterised in that the material of the syringe (1) is stainless steel.
9. myoelectricity pin according to claim 1, it is characterised in that the syringe needle (11) has inclined plane (111), described to incline
Angle between inclined-plane (111) and the syringe (1) is 10~25 degree.
10. the myoelectricity pin according to claim any one of 1-9, it is characterised in that the shell fragment (5) and the contact pin (6)
It is made up of brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394982.8U CN206576864U (en) | 2016-12-19 | 2016-12-19 | A kind of myoelectricity pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394982.8U CN206576864U (en) | 2016-12-19 | 2016-12-19 | A kind of myoelectricity pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206576864U true CN206576864U (en) | 2017-10-24 |
Family
ID=60109074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394982.8U Active CN206576864U (en) | 2016-12-19 | 2016-12-19 | A kind of myoelectricity pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206576864U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742615A (en) * | 2018-06-25 | 2018-11-06 | 衢州学院 | A kind of myoelectricity needle with swing-around trajectory |
| CN114287948A (en) * | 2021-12-28 | 2022-04-08 | 苏州乐普斯电子有限公司 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
| CN114295893A (en) * | 2021-12-23 | 2022-04-08 | 苏州乐普斯电子有限公司 | Needle electrode impedance testing device |
| CN114287948B (en) * | 2021-12-28 | 2024-06-25 | 苏州乐普斯电子有限公司 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
-
2016
- 2016-12-19 CN CN201621394982.8U patent/CN206576864U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742615A (en) * | 2018-06-25 | 2018-11-06 | 衢州学院 | A kind of myoelectricity needle with swing-around trajectory |
| CN114295893A (en) * | 2021-12-23 | 2022-04-08 | 苏州乐普斯电子有限公司 | Needle electrode impedance testing device |
| CN114295893B (en) * | 2021-12-23 | 2024-02-09 | 苏州乐普斯电子有限公司 | Needle electrode impedance testing device |
| CN114287948A (en) * | 2021-12-28 | 2022-04-08 | 苏州乐普斯电子有限公司 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
| CN114287948B (en) * | 2021-12-28 | 2024-06-25 | 苏州乐普斯电子有限公司 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104068853B (en) | A kind of biopotential electrode | |
| EP1205156A3 (en) | Injection catheter with needle electrode | |
| CN206576864U (en) | A kind of myoelectricity pin | |
| CN102217928B (en) | Electronic pain sense measuring pen | |
| CN103495262B (en) | A kind of therapeutic instrument of therapeutic electrode and this therapeutic electrode of employing | |
| CN106510703A (en) | Recurrent laryngeal nerve real-time monitor and monitoring method | |
| CN206548959U (en) | Recurrent nerve monitors tracheae | |
| CN203988152U (en) | A kind of sampling probe | |
| CN104510504A (en) | Medical puncture needle for bone marrow biopsy | |
| CN209220275U (en) | A kind of medical supplies spiral needle electrode connecting line | |
| CN219354133U (en) | Nerve monitoring system suitable for thyroid tumor ablation | |
| CN207400735U (en) | A kind of recurrent nerve real-time monitor | |
| CN103989468B (en) | The two stimulating electrode device of a kind of anorectal region | |
| CN110090344A (en) | Nerve monitoring trachea cannula | |
| CN105769188B (en) | Myoelectricity telescopic electrode with fixed band | |
| CN108742615A (en) | A kind of myoelectricity needle with swing-around trajectory | |
| CN108309296A (en) | A kind of neural mornitoring electrode device of impassivity monitoring trachea cannula | |
| CN203953651U (en) | For the electrode bar fixed structure of electrocardiographicelectrodes electrodes member | |
| CN204072090U (en) | Concentric circular needle electrode | |
| CN211911787U (en) | Bipolar electric knife pen | |
| TWI673039B (en) | The electrode with the method of sustainable signals acquisition | |
| CN210784260U (en) | Probe fixer is intervene to scope | |
| CN203763587U (en) | Disposable injection needle | |
| CN205597916U (en) | Disposable pelvic floor biofeedback electrode plug -in components | |
| CN2472650Y (en) | Unipolar cavity-tube needle electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |