CN103845804A - Bending-resistant extension wire and implantable medical system - Google Patents
Bending-resistant extension wire and implantable medical system Download PDFInfo
- Publication number
- CN103845804A CN103845804A CN201210523564.4A CN201210523564A CN103845804A CN 103845804 A CN103845804 A CN 103845804A CN 201210523564 A CN201210523564 A CN 201210523564A CN 103845804 A CN103845804 A CN 103845804A
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- Prior art keywords
- bending
- extension
- wire
- extension wire
- medical system
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- 238000005452 bending Methods 0.000 title claims abstract description 37
- 230000002687 intercalation Effects 0.000 claims description 19
- 238000009830 intercalation Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 230000000747 cardiac effect Effects 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 210000005036 nerve Anatomy 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002513 implantation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007794 irritation Effects 0.000 description 3
- 230000001537 neural effect Effects 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 210000001186 vagus nerve Anatomy 0.000 description 1
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Abstract
The invention discloses a bending-resistant extension wire for an implantable medical system. The bending-resistant extension wire comprises a plug portion and one or more extension guide wires, wherein the extension guide wires are connected with plug electrode wires, and the upper portion of the portion of connection between the extension guide wires and the plug electrode wires is sleeved with a heat-shrinkage T tube which is used for dispersing bending stress. The invention further discloses the implantable medical system with the bending-resistant extension wire. Compared with the prior art, after an implantable medical instrument and the bending-resistant extension wire are implanted in the body of a patient, due to the fact that the hard plug portion of the bending-resistant extension wire and the soft extension guide wire portion of the bending-resistant extension wire are covered with the heat-shrinkage T tube, stretching bending force borne by the patient in daily activities cannot directly act on the portion of connection between the extension guide wires and the plug electrode wires, and is dispersed to the surface of the heat-shrinkage T tube and a handle arranged outside the heat-shrinkage T tube through the heat-shrinkage T tube, bending fatigue resistance of the bending-resistant extension wire is greatly improved, the service life of the bending-resistant extension wire is prolonged, the structure is simple, the manufacturing process is easy and convenient to implement, and the manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of Implanted medical system, specifically, relate to a kind of extension wire of resistance to bending for Implanted medical system and comprise the Implanted medical system of this extension wire.
Background technology
Implanted medical system generally includes implantable neural electrical stimulator and (comprises brain deep brain stimulation DBS, implanted cortex stimulates CNS, implanted spinal cord stimulation trial SCS, implanted sacral nerves electricity irritation SNS, implanted vagus nerve electricity irritation VNS etc.), implantable cardiac electric stimulation (being commonly called as cardiac pacemaker), implanted drug infusion system (IDDS) etc.
Take implantable neural electrical stimulator as example, mainly comprise the pulse generator, electrode and the external controller that implant.Wherein, pulse generator is connected with electrode by extension wire, thereby the burst transmissions that pulse generator is produced is to electrode, and the pulse signal that pulse generator produces transfers to specific neuronal target by electrode and carries out electricity irritation, thereby makes function of human body return to the state of normal operation.External controller comprises doctor's program controller, patient controller.
Wherein, doctor's program controller is that doctor is used for according to the device of the output parameter of pulse generator in patient's condition monitoring control agent, common doctor's program controller can be used to control multiple pulse generators, and doctor's program controller can communicate by the pulse generator in wireless communications mode, magnetic coil or other communication modes and implant patient body.
According to statistics, after implantable medical devices patients with implantation body is interior, the junction of the plug electrode silk of extension wire and extension seal wire can even fracture because patient's daily exercise causes this junction seal wire bending.Thereby, thereby the endurance life that need to strengthen extension wire extends its service life.
Extension wire of the prior art, mainly solve by the spring-guide wire cover of high rigidity for the problems referred to above, at the plug electrode silk of extension wire and the sheathed high-intensity spring-guide wire cover in junction of extension seal wire, thereby being distributed to spring-guide wire, the power that is applied to this junction puts the endurance life that has strengthened extension wire.But, the processing technology relative complex of this settling mode, time cost and manufacturing cost are relatively high.And spring-guide wire cover also there will be breakage through long-term bending spring-guide wire, cause occurring the risk of seal wire short circuit.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide the simple and lower-cost extension wire of a kind of resistance to bending, long service life, manufacture and comprises the medical system of this extension wire.
According to technical scheme provided by the present invention, a kind of extension wire of resistance to bending for Implanted medical system, comprising:
Intercalation part, one or more plug electrode silks that described intercalation part comprises one or more electrode contacts for being electrically connected with implantable medical devices, be electrically connected with described one or more electrode contacts and the insulator of coated described plug electrode silk;
One or more extension seal wires, described extension seal wire is connected with described plug electrode silk;
The connecting portion top of described multiple extension seal wire and multiple described plug electrode silks is arranged with the sleeve pipe for disperseing folding s tress.
Preferably, described sleeve pipe is heat-shrinkable T bush.
Preferably, described extension seal wire is continuous coil spring seal wire.
Preferably, an end of described one or more plug electrode silks is arranged on the endoporus inside of corresponding spring-guide wire, and is arranged with the pipe of colding pressing on the joint portion of described each plug electrode silk and spring-guide wire.
Preferably, described one or more extension seal wires are arranged in the silica gel tube having for holding one or more extension seal wires, and the tail end of intercalation part is connected described in the Guan Bingyu that colds pressing described in an end parcel of described silica gel tube covers.
Preferably, described heat-shrinkable T bush is set on the joint portion of the tail end of described intercalation part and an end of silica gel tube.
Preferably, the making material of described heat-shrinkable T bush is FEP.
Preferably, the making material of pipe of colding pressing described in is rustless steel.
Preferably, be provided with the boss for locking heat-shrinkable T bush on the tail end of described intercalation part, described heat-shrinkable T bush is coated on described boss.
Preferably, described heat-shrinkable T bush outside is coated with the Handheld Division of being convenient to hold.
Preferably, the making material of described Handheld Division is silica gel.
The present invention also provides a kind of Implanted medical system, comprise implantable medical devices, electrode and outer control device, also comprise the extension wire of resistance to bending as above, described extension wire is connected with electrode with described implantable medical devices for electric signal transmission that implantable medical devices is produced to electrode.
Preferably, described implantable medical devices comprises embedded nerve stimulator, Implanted cardiac pacemaker, Implantable Cardioverter Defibrillator or implanted infusion of drug device, and described outer control device comprises patient controller, doctor's program control instrument.
Compared with prior art advantage of the present invention is: because the present invention is arranged with the heat-shrinkable T bush for disperseing folding s tress above the connecting portion that extends seal wire and plug electrode silk, after in implantable medical devices and extension wire patients with implantation body, because heat-shrinkable T bush envelopes harder extension wire intercalation part and softer extension seal wire portion, the suffered stretching bending power of patient's daily routines can direct effect to extending on the connecting portion of seal wire and plug electrode silk, but be dispersed on the Handheld Division outside its surface and heat-shrinkable T bush by heat-shrinkable T bush, therefore greatly strengthened the bending endurance life of extension wire, extend the service life of extension wire, and manufacturing process simple in structure is easy, manufacturing cost is lower.
Accompanying drawing explanation
The plug electrode silk that accompanying drawing 1 is extension wire and extension seal wire syndeton schematic diagram;
On the extension seal wire that accompanying drawing 2 is accompanying drawing 1, increase the structural representation of silica gel tube;
On the silica gel tube that accompanying drawing 3 is accompanying drawing 2, increase the structural representation of heat-shrinkable T bush;
The heat-shrinkable T bush outside that accompanying drawing 4 is accompanying drawing 3 has increased the structural representation of Handheld Division;
The schematic diagram that accompanying drawing 5 is Implanted medical system;
Wherein:
1, intercalation part; 2, electrode contacts; 3, plug electrode silk; 4, insulator; 5, extend seal wire; 6, heat-shrinkable T bush; 7, the pipe of colding pressing; 8, silica gel tube; 9, boss; 10, Handheld Division; 11, implantable medical devices; 12, electrode; 13, outer control device; 14, extension wire.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation:
As shown in accompanying drawing 1 to Fig. 4, a kind of extension wire of resistance to bending for Implanted medical system, comprise the intercalation part 1 being electrically connected with it in the head jack for inserting implantable medical devices, one or more plug electrode silks 3 that described intercalation part 1 comprises one or more electrode contacts 2 for being electrically connected with implantable medical devices, be electrically connected with described one or more electrode contacts 2 and the insulator 4 of coated described plug electrode silk 3;
One or more extension seal wires 5, described extension seal wire 5 is connected with described plug electrode silk 3.In present embodiment, extending seal wire 5 is continuous coil spring seal wire, makes extension wire have good elasticity, can not be pulled off because patient's daily routines cause extension wire after in patients with implantation body.
Unlike the prior art, multiple extension seal wires 5 of the present invention are arranged with the heat-shrinkable T bush 6 for disperseing folding s tress with the connecting portion top of multiple described plug electrode silks 3, in order to strengthen the resistance to buckling strength of extension wire.After in implantable medical devices and extension wire patients with implantation body; because heat-shrinkable T bush 6 envelopes harder extension wire intercalation part 1 and softer extension seal wire 5 one ends; the suffered stretching bending power of patient's daily routines can direct effect to extending on the connecting portion of seal wire 5 and plug electrode silk 3; but be dispersed on the Handheld Division 10 outside its surface and heat-shrinkable T bush 6 by heat-shrinkable T bush 6; therefore greatly strengthened the bending endurance life of extension wire; extend the service life of extension wire; and manufacturing process simple in structure is easy, and manufacturing cost is lower.
In present embodiment, extension wire comprises 4 plug electrode silks and 4 prolongation seal wires.One end of plug electrode silk 3 is arranged on the endoporus inside of corresponding spring-guide wire, and on the joint portion of described each plug electrode silk 3 and spring-guide wire, be arranged with the pipe 7 of colding pressing, each plug electrode silk 3 is connected by cold-press process securely with extension seal wire 3, and the making material of the pipe 7 of colding pressing is rustless steel.
In present embodiment, silica gel tube 8 offers and places respectively 4 holes that extend 4 mutual insulatings using of seal wires, and 4 extension wires are placed on respectively 4 mutually independently in hole, insulate each other guaranteeing.Cold pressing described in one end parcel of silica gel tube 8 covers pipe 7 being connected with the tail end of described intercalation part 1.
Described heat-shrinkable T bush 6 is set on the joint portion of the tail end of described intercalation part 1 and an end of silica gel tube 8.In present embodiment, the making material of heat-shrinkable T bush 6 is FEP.
On the tail end of described intercalation part 1, be provided with the boss 9 for locking heat-shrinkable T bush 6, described heat-shrinkable T bush 6 is coated on described boss 9.When heat-shrinkable T bush can tightly wrap boss 9 and the pipe 7 of colding pressing in the time that pyrocondensation is processed, extension seal wire 5 is connected securely with described plug electrode silk 3.
Described heat-shrinkable T bush 6 outsides are coated with the Handheld Division 10 that the silica gel being convenient to hold is made.In the time that doctor performs the operation installation extension wire, can hold this Handheld Division 10 and intercalation part 1 be inserted in the jack of implantable medical devices, folding s tress is dispersed to its outer surface by this Handheld Division 10, protected the extension seal wire of its inside and the connecting portion of plug electrode silk.
As shown in Figure 5, the present invention also provides a kind of Implanted medical system, comprise implantable medical devices 11, electrode 12, outer control device 13, also comprise the extension wire of resistance to bending 14 with heat-shrinkable T bush, described extension wire 14 is connected with electrode 12 with described implantable medical devices 11 for electric signal transmission that implantable medical devices 11 is produced to electrode 12.
Described implantable medical devices 11 can be the one in embedded nerve stimulator, Implanted cardiac pacemaker, Implantable Cardioverter Defibrillator or implanted infusion of drug device, and described outer control device 13 comprises patient controller, doctor's program control instrument.
Above the specific embodiment of the present invention is described.Be illustrative for description of the invention herein, thereby scope of the present invention should not be limited to the above-mentioned specific embodiment.It will be apparent to one skilled in the art that in the situation that not departing from purport of the present invention or substitutive characteristics, the above-mentioned specific embodiment is carried out to other distortion or change, also should be considered as protection scope of the present invention.
Claims (13)
1. the extension wire of resistance to bending for Implanted medical system, comprising:
Intercalation part, one or more plug electrode silks that described intercalation part comprises one or more electrode contacts for being electrically connected with implantable medical devices, be electrically connected with described one or more electrode contacts and the insulator of coated described plug electrode silk;
One or more extension seal wires, described extension seal wire is connected with described plug electrode silk;
It is characterized in that: the connecting portion top of described multiple extension seal wires and multiple described plug electrode silks is arranged with the sleeve pipe for disperseing folding s tress.
2. a kind of extension wire of resistance to bending for Implanted medical system according to claim 1, is characterized in that: described sleeve pipe is heat-shrinkable T bush.
3. a kind of extension wire of resistance to bending for Implanted medical system according to claim 2, is characterized in that: described extension seal wire is continuous coil spring seal wire.
4. a kind of extension wire of resistance to bending for Implanted medical system according to claim 3, it is characterized in that: an end of described one or more plug electrode silks is arranged on the endoporus inside of corresponding spring-guide wire, and be arranged with the pipe of colding pressing on the joint portion of described each plug electrode silk and spring-guide wire.
5. a kind of extension wire of resistance to bending for Implanted medical system according to claim 4, it is characterized in that: described one or more extension seal wires are arranged in the silica gel tube having for holding one or more extension seal wires, the tail end of intercalation part is connected described in the Guan Bingyu that colds pressing described in an end parcel of described silica gel tube covers.
6. a kind of extension wire of resistance to bending for Implanted medical system according to claim 5, is characterized in that: described heat-shrinkable T bush is set on the joint portion of the tail end of described intercalation part and an end of silica gel tube.
7. a kind of extension wire of resistance to bending for Implanted medical system according to claim 6, is characterized in that: the making material of described heat-shrinkable T bush is FEP.
8. a kind of extension wire of resistance to bending for Implanted medical system according to claim 4, is characterized in that: described in the cold pressing making material of pipe be rustless steel.
9. a kind of extension wire of resistance to bending for Implanted medical system according to claim 6, is characterized in that: on the tail end of described intercalation part, be provided with the boss for locking heat-shrinkable T bush, described heat-shrinkable T bush is coated on described boss.
10. a kind of extension wire of resistance to bending for Implanted medical system according to claim 9, is characterized in that: described heat-shrinkable T bush outside is coated with the Handheld Division of being convenient to hold.
11. a kind of extension wires of resistance to bending for Implanted medical system according to claim 10, is characterized in that: the making material of described Handheld Division is silica gel.
12. 1 kinds of Implanted medical systems, comprise implantable medical devices, electrode, outer control device, it is characterized in that: also comprise as the extension wire of resistance to bending as described in arbitrary in claim 1 to 10, described extension wire is connected with electrode with described implantable medical devices for electric signal transmission that implantable medical devices is produced to electrode.
13. a kind of Implanted medical systems according to claim 12, it is characterized in that: described implantable medical devices comprises embedded nerve stimulator, Implanted cardiac pacemaker, Implantable Cardioverter Defibrillator or implanted infusion of drug device, and described outer control device comprises patient controller, doctor's program control instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210523564.4A CN103845804B (en) | 2012-12-07 | 2012-12-07 | A kind of extension wire of resistance to bending and Implanted medical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210523564.4A CN103845804B (en) | 2012-12-07 | 2012-12-07 | A kind of extension wire of resistance to bending and Implanted medical system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103845804A true CN103845804A (en) | 2014-06-11 |
| CN103845804B CN103845804B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210523564.4A Active CN103845804B (en) | 2012-12-07 | 2012-12-07 | A kind of extension wire of resistance to bending and Implanted medical system |
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| Country | Link |
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| CN (1) | CN103845804B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941065A (en) * | 2015-06-30 | 2015-09-30 | 北京品驰医疗设备有限公司 | Implanted type electrical nerve stimulation system and protection sleeve applied to same |
| CN106861045A (en) * | 2017-03-30 | 2017-06-20 | 苏州景昱医疗器械有限公司 | Extension wire and the Implanted medical system including the extension wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201625344U (en) * | 2010-03-26 | 2010-11-10 | 苏州鼎迈医疗科技有限公司 | Implanted electrical nerve stimulation system with joint fixing device |
| CN102198308A (en) * | 2010-03-26 | 2011-09-28 | 苏州鼎迈医疗科技有限公司 | Extension lead of implanted nervous electrical stimulation system |
| CN102210903A (en) * | 2010-04-02 | 2011-10-12 | 鼎迈医疗科技(苏州)有限公司 | Extension wire protective sleeve of implanted nerve electrical stimulation system |
| CN203389224U (en) * | 2012-12-07 | 2014-01-15 | 苏州景昱医疗器械有限公司 | Bending-proof extension lead and implant-type medical system |
-
2012
- 2012-12-07 CN CN201210523564.4A patent/CN103845804B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201625344U (en) * | 2010-03-26 | 2010-11-10 | 苏州鼎迈医疗科技有限公司 | Implanted electrical nerve stimulation system with joint fixing device |
| CN102198308A (en) * | 2010-03-26 | 2011-09-28 | 苏州鼎迈医疗科技有限公司 | Extension lead of implanted nervous electrical stimulation system |
| CN102210903A (en) * | 2010-04-02 | 2011-10-12 | 鼎迈医疗科技(苏州)有限公司 | Extension wire protective sleeve of implanted nerve electrical stimulation system |
| CN203389224U (en) * | 2012-12-07 | 2014-01-15 | 苏州景昱医疗器械有限公司 | Bending-proof extension lead and implant-type medical system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941065A (en) * | 2015-06-30 | 2015-09-30 | 北京品驰医疗设备有限公司 | Implanted type electrical nerve stimulation system and protection sleeve applied to same |
| CN104941065B (en) * | 2015-06-30 | 2018-02-27 | 北京品驰医疗设备有限公司 | Implantable neural electrical stimulator and the protective case applied to the implantable neural electrical stimulator |
| CN106861045A (en) * | 2017-03-30 | 2017-06-20 | 苏州景昱医疗器械有限公司 | Extension wire and the Implanted medical system including the extension wire |
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| Publication number | Publication date |
|---|---|
| CN103845804B (en) | 2016-07-13 |
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Address after: Building C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee after: Jingyu Medical Technology (Suzhou) Co.,Ltd. Address before: 215123 C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: SCENERAY Co.,Ltd. |