CN203677737U - Deep brain simulation system implanted in head - Google Patents
Deep brain simulation system implanted in head Download PDFInfo
- Publication number
- CN203677737U CN203677737U CN201420034580.1U CN201420034580U CN203677737U CN 203677737 U CN203677737 U CN 203677737U CN 201420034580 U CN201420034580 U CN 201420034580U CN 203677737 U CN203677737 U CN 203677737U
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- Prior art keywords
- pulse generator
- stimulation system
- deep brain
- electrode
- brain stimulation
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- 210000004556 brain Anatomy 0.000 title claims abstract description 47
- 238000004088 simulation Methods 0.000 title abstract 2
- 230000000638 stimulation Effects 0.000 claims description 25
- 210000003625 skull Anatomy 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000007920 subcutaneous administration Methods 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002513 implantation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 230000004936 stimulating effect Effects 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 208000012902 Nervous system disease Diseases 0.000 description 2
- 208000018737 Parkinson disease Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010015037 epilepsy Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010008748 Chorea Diseases 0.000 description 1
- 208000000094 Chronic Pain Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 206010044074 Torticollis Diseases 0.000 description 1
- 208000012886 Vertigo Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000012601 choreatic disease Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000008 neuroelectric effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model discloses a deep brain simulation system implanted in a head, and belongs to the technical field of implanted medical instruments. The system is wholly implanted in the head of a human body, and electrodes are directly connected with a pulse generator, so that the operation complexity is lowered, the connecting contacts and the electrodes are prevented from bearing forces, and the reliability of the system is increased.
Description
Technical field
This utility model is a kind of neuroelectric pulse stimulating system of all implanting at head, belongs to implantation medical equipment technical field.
Background technology
To the nervous system disease of some type, as parkinson disease, epilepsy, torsion spasm, spasmodic torticollis, chorea, essential vertigo, common drug treatment and surgical operation therapy clinically, but side effect and complication are important drawbacks.Brain deep brain stimulation therapy is by stimulating and carry out chronic electric pulse stimulation the different function core group in brain deep, as parkinson disease are stimulated to subthalamic nuclei and pallidum, play etiological treatment effect, it is a kind of reversible neuroregulation treatment, be a kind of desirable Therapeutic Method, apply more and more extensive.
Existing brain deep brain stimulation system implant part is made up of parts such as pulse generator, extension lead and electrodes conventionally in the market, pulse generator produces electric impulse signal, pulse signal through extended line and electrodes transfer to respective rake point, rake point is carried out to electric pulse stimulation, play the effect for the treatment of.It is subcutaneous that common pulse generator is implanted in chest, and pulse generator is connected with extension lead, and extension lead is connected with electrode by cervical region and head hypodermic tunnel, and electrode is through skull and stimulate rake to contact.
Pulse generator is implanted front, and connect extension lead and electrode and need to create very long hypodermic tunnel, operation relative complex, operation risk and complexity are all higher.And extended line is connected with electrode head is subcutaneous from chest through cervical region, cervical region activity is easy to make extension lead stressed, thereby causes the series of problems such as Joint failure, extension lead or lead rupture.
Utility model content
In view of the above-mentioned defect of prior art, the purpose of this utility model is to provide a kind of brain deep brain stimulation system of all implanting at head, this system is all implanted in the head of human body, electrode is directly connected with pulse generator, can reduce operative complications, and can avoid connecting interface and electrode stressed, increase the reliability of system.
A kind of brain deep brain stimulation system, comprising:
Pulse generator, for generation of electric impulse signal;
Electrode, it is directly connected with described pulse generator, for described electric impulse signal being applied to treatment rake point;
It is characterized in that, also comprise erecting device, described pulse generator is fixed on skull by described erecting device.
Preferably, also comprise external control appliance.
Preferably, described electric impulse signal is constant voltage or Constant Electric Current pulse signal.
Preferably, described erecting device is lug, is directly connected on the shell of described pulse generator.
Preferably, described erecting device is bracket, and it is connected separably with described pulse generator.
Preferably, described pulse generator further comprises power management module, communication module, pulse output module, microcontroller, charge coil and rechargeable battery.
Preferably, described pulse generator further comprises circuit board, shell and cap assembly.
Preferably, the metal connecting piece being connected with described electrode is housed in described cap assembly, the lead-in wire of feedthrough adapter is electrically connected with described metal connecting piece, and the link of described electrode inserts connection fastening in described cap assembly, and described charge coil is in described enclosure.
Preferably, also comprise electrode connection device, it is drawn from described cap assembly; The lead-in wire of described feedthrough adapter and the wire bonds of described electrode connection device, described pulse generator is connected with described electrode by described electrode connection device.
Preferably, described charge coil is arranged on described housing exterior, and with silicone rubber parcel, described charge coil is connected with the circuit board in described shell by described feedthrough adapter.
Compared with prior art, the utlity model has following beneficial effect:
(1) system is all implanted at head, reduces operation risk, and electrode is directly connected with pulse generator, simplifies operation technique.
(2) system is implanted in head, avoids extended line to pass through from cervical region is subcutaneous, and that can avoid that cervical region activity causes is stressed, has higher system reliability.
(3) there are the patient with nervous system disease such as up to ten million parkinson, epilepsy, chronic pain in the whole nation, and this utility model can reduce operation risk and increase system reliability, can allow more patient be benefited, and has high economic benefit and social benefit.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Fig. 1 is traditional brain deep brain stimulation system schema schematic diagram.
Fig. 2 is brain deep brain stimulation system schema schematic diagram of the present utility model.
Fig. 3 is the schematic block circuit diagram of a kind of embodiment of the present utility model.
Fig. 4 a-4c is the different structure embodiment schematic diagram of pulse generator of the present utility model.
Fig. 5 a-5b is the different erecting device scheme schematic diagram of pulse generator of the present utility model;
Fig. 6 is the generalized section that pulse generator of the present utility model is installed at head;
Fig. 7 is a kind of electrode schematic diagram of the present utility model;
Fig. 8 is that brain deep brain stimulation system operation of the present utility model is implanted flow chart;
Detailed description of the invention
Traditional brain deep brain stimulation system, is mainly made up of pulse generator 1, extension lead 2 and electrode 3, as shown in Figure 1, it is subcutaneous that pulse generator 1 is implanted in chest, and be connected with extension lead 2, extension lead is subcutaneous subcutaneous by cervical region from chest, is connected head is subcutaneous with electrode 3.When cervical region activity, be easy to tractive extended line 2, make extended line itself and extended line 2 stressed with the joint of electrode 3.While implanting extension lead 2, need between chest and head, create a hypodermic tunnel, wound is larger.
As shown in Figure 2, brain deep brain stimulation system of the present utility model is all implanted in head, no longer need extension lead, pulse generator 1 is directly connected with electrode 3, electrode is fixing by electrode fixing device 4, after unnecessary twisting of electrode, be connected with pulse generator 1, pulse generator 1 is fixed on skull by erecting device 5.Pulse generator 1 produces two-way constant voltage or Constant Electric Current pulse signal, by two stimulating electrodes 3, two-way electric impulse signal is added to respectively to two treatment rake points.
As shown in Figure 3, in a kind of hardware circuit embodiment of the present utility model, use rechargeable battery as power supply, can carry out wireless charging by external charger, increase pulse generator service life, needn't frequently change pulse generator, the hardware circuit composition of pulse generator 1 mainly comprises power management module 6, communication module 7, pulse output module 8, microcontroller 9, rechargeable battery 24 etc.Wherein:
Microcontroller 9 is control cores of pulse-generator circuit, specifically controls function to be: control impuls output module 8 produces electric pulse output; Monitor and control charging module 6 duties; Control communication module 7 and carry out radio communication and parameter setting with external control appliance; The action of monitoring dry reed switch 23 realizes the control function of external magnet paired pulses generator.
The integrated jumbo FLASH memorizer of using as program storage in microcontroller 9, and support self-programming operation, by design, the program of microcontroller 9 can by with vitro program controlled instrument wireless two-way communication, realize online updating.Pulse output module 8 is for generation of the pulse signal of voltage or two kinds of patterns of electric current, also can select to produce a road or two-way output signal by output channel control, power management module 6 charges and power management for controlling battery 24, and communication module 7 is carried out two-way wireless communication with external control appliance.Power management module 6, communication module 7 and pulse output module 8 can have combination of devices by market and realize, or realize by the integrated chip of design specialized, and special integrated chip can further reduce hardware size.
Fig. 4 a-4c is the different structure embodiment schematic diagram of pulse generator of the present utility model, in pulse generator structure, mainly formed by battery 40, circuit board 41, titanium shell 42, charge coil 43, cap assembly 44, organization plan one as shown in Fig. 4 a, the metal connecting piece 45 being connected with electrode is housed in cap assembly 44, the lead-in wire of feedthrough adapter 46 and metal connecting piece 45 weld, electrode link inserts the interior connection of cap assembly 44 fastening, and charge coil 43 is in titanium shell 42 inside.Organization plan two as shown in Figure 4 b, electrode connection device 47 is drawn from cap assembly 44, and the lead-in wire of feedthrough adapter 46 welds with the wire 48 of electrode connection device in top cover, and pulse generator is connected with electrode by electrode connection device 47.Organization plan three as shown in Fig. 4 c, charge coil 43 is in titanium shell 42 outsides, and wraps up with silicone rubber 49, and charge coil 43 is connected with the circuit board 41 in titanium shell by feedthrough adapter 46.
In arteries and veins, generator is fixed on skull by erecting device 5, erecting device scheme one as shown in Figure 5 a, and erecting device 5 is a Titanium lug, is directly welded on the titanium shell of pulse generator 1 by laser weld.Erecting device scheme two as shown in Figure 5 b, erecting device 5 is a Titanium bracket, can separate with pulse generator 1, by screw and card or other modes, pulse generator 1 is fixed on erecting device 5.
Pulse generator in the installation of head as shown in Figure 6, pulse generator 1 is fixed on erecting device 5, and on skull, according to the profile fluting of erecting device, erecting device is placed in skull bone groove, and be fixed on skull 61 suture head skin 60 after installation with nail 62.
Figure 7 shows that a kind of available electrode scheme of this utility model, be made up of connecting terminal 71, stimulation contact 72, insulated conduit 73 and spiral conducting line 74, the link 70 being made up of connecting terminal 71 is connected with the electrode connection device 47 of pulse generator in Fig. 4 b.
Brain deep brain stimulation system head operation of the present utility model is implanted flow process as shown in Figure 8, first carry out step 80, according to the conventional method in skull perforate, installs and fix electrode; After test is normal, carry out step 81, cut scalp in the position that pulse generator is installed and expose skull, on skull, according to pulse generator shape fluting, erecting device 5 is placed on to fluting place, and tightens fixing with nail; Then carry out step 82, between pulse generator otch and electrode otch, create hypodermic tunnel, on electrode fixing device side, electrode is wound around to several circles, remaining electrode is guided to pulse generator position from hypodermic tunnel; Then carry out step 83, connect and lock pulse generator and electrode; Then carry out step 84, pulse generator is fixed on to erecting device 5; Finally carry out step 85, with vitro program controlled instrument, system is tested, after test is normal, sew up the incision, complete implantation.
By the description of the drawings and specific embodiments, describe the technical solution of the utility model in detail from several aspects such as system composition, circuit theory, structure and mount scheme, implantation flow processs.Aforesaid way be this utility model preferred embodiment, for those skilled in the art, on the basis of the brain deep brain stimulation system of implanting at the disclosed head of this utility model, be easy to expect being modified or being equal to replacement, be applied to various implantation medical equipment systems, and be not limited only to the described system structure of this utility model detailed description of the invention, therefore previously described mode is just preferred, and does not have restrictive meaning.
The foregoing is only several specific embodiment of the present utility model, above embodiment is only for explaining and unrestricted claim scope of the present utility model the technical solution of the utility model and inventive concept.All technical staff in the art on the inventive concept basis of this patent in conjunction with prior art; by the available other technologies scheme of logical analysis, reasoning or limited experiment, within also should being considered to drop on claim protection domain of the present utility model.
Claims (10)
1. a brain deep brain stimulation system, comprising:
Pulse generator (1), for generation of electric impulse signal;
Electrode (3), it is directly connected with described pulse generator (1), for described electric impulse signal being applied to treatment rake point;
It is characterized in that, also comprise erecting device (5), described pulse generator (1) is fixed on skull by described erecting device (5).
2. brain deep brain stimulation system according to claim 1, is characterized in that, also comprises external control appliance.
3. brain deep brain stimulation system according to claim 1, is characterized in that, described electric impulse signal is constant voltage or Constant Electric Current pulse signal.
4. brain deep brain stimulation system according to claim 1, is characterized in that, described erecting device (5) is lug, is directly connected on the shell of described pulse generator (1).
5. brain deep brain stimulation system according to claim 1, is characterized in that, described erecting device (5) is bracket, and it is connected separably with described pulse generator (1).
6. according to the brain deep brain stimulation system described in any one in claim 1-5, it is characterized in that, described pulse generator (1) further comprises power management module (6), communication module (7), pulse output module (8), microcontroller (9), charge coil (43) and rechargeable battery (24).
7. brain deep brain stimulation system according to claim 6, is characterized in that, described pulse generator (1) further comprises circuit board (41), shell (42) and cap assembly (44).
8. brain deep brain stimulation system according to claim 7, it is characterized in that, the metal connecting piece (45) being connected with described electrode is housed in described cap assembly (44), the lead-in wire of feedthrough adapter (46) is electrically connected with described metal connecting piece (45), the link of described electrode inserts connection fastening in described cap assembly (44), and described charge coil (43) is in described shell (42) inside.
9. brain deep brain stimulation system according to claim 7, is characterized in that, also comprises electrode connection device (47), and it is drawn from described cap assembly (44); Wire (48) welding of the lead-in wire of described feedthrough adapter (46) and described electrode connection device (47), described pulse generator (1) is connected with described electrode (3) by described electrode connection device (47).
10. brain deep brain stimulation system according to claim 7, it is characterized in that, described charge coil (43) is arranged on described shell (42) outside, and with silicone rubber (49) parcel, described charge coil (43) is connected with the circuit board (41) in described shell by described feedthrough adapter (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034580.1U CN203677737U (en) | 2014-01-17 | 2014-01-17 | Deep brain simulation system implanted in head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034580.1U CN203677737U (en) | 2014-01-17 | 2014-01-17 | Deep brain simulation system implanted in head |
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| CN203677737U true CN203677737U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420034580.1U Expired - Lifetime CN203677737U (en) | 2014-01-17 | 2014-01-17 | Deep brain simulation system implanted in head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768712A (en) * | 2014-01-17 | 2014-05-07 | 北京品驰医疗设备有限公司 | Deep brain electric stimulation system implanted in head |
| CN108290045A (en) * | 2015-11-29 | 2018-07-17 | 波士顿科学神经调制公司 | The deep brain stimulator of skull installation |
| WO2024046346A1 (en) * | 2022-09-01 | 2024-03-07 | 景昱医疗科技（苏州）股份有限公司 | Pulse generator, assembling method therefor, and stimulation system thereof |
-
2014
- 2014-01-17 CN CN201420034580.1U patent/CN203677737U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768712A (en) * | 2014-01-17 | 2014-05-07 | 北京品驰医疗设备有限公司 | Deep brain electric stimulation system implanted in head |
| CN103768712B (en) * | 2014-01-17 | 2016-06-08 | 北京品驰医疗设备有限公司 | A kind of lesions located in deep brain system implanted at head |
| CN108290045A (en) * | 2015-11-29 | 2018-07-17 | 波士顿科学神经调制公司 | The deep brain stimulator of skull installation |
| CN108290045B (en) * | 2015-11-29 | 2021-06-08 | 波士顿科学神经调制公司 | Skull mounted deep brain stimulator |
| WO2024046346A1 (en) * | 2022-09-01 | 2024-03-07 | 景昱医疗科技（苏州）股份有限公司 | Pulse generator, assembling method therefor, and stimulation system thereof |
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| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161010 Address after: 102200, Changping District science and Technology Park, Beijing, 1 Chang Hing Road, 1, 5 Patentee after: BEIJING PINS MEDICAL Co.,Ltd. Address before: 102200 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1 Building 1 layer 5 Patentee before: BEIJING PINS MEDICAL Co.,Ltd. Patentee before: Tsinghua University |
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| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |