CN105771090B - A kind of implantable medical device sealing structure and impulse generator - Google Patents
A kind of implantable medical device sealing structure and impulse generator Download PDFInfo
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- CN105771090B CN105771090B CN201610306286.5A CN201610306286A CN105771090B CN 105771090 B CN105771090 B CN 105771090B CN 201610306286 A CN201610306286 A CN 201610306286A CN 105771090 B CN105771090 B CN 105771090B
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- screw
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- insulated enclosure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36125—Details of circuitry or electric components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3758—Packaging of the components within the casing
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Electrotherapy Devices (AREA)
Abstract
The present invention provides a kind of implantable medical device sealing structure, including screw has and the external screw thread of the screw hole cooperation on link block and the head extended radially outward；Insulated enclosure circle, is set in outside screw, is arranged between link block and the head of screw；During screw-driving, extruding insulation sealing ring, make insulated enclosure circle axially compressed, link block fixes the electrode cable for stretching into connecting hole, make screw that there is whole downward pulling force simultaneously, so as to extruding insulation sealing ring, make insulated enclosure circle in the axial direction by force compresses, so as to which insulated enclosure circle be made to expand radially, insulated enclosure circle is made fully to be contacted with the outer wall of screw and sealing hole inner wall, and outer wall to screw and sealing hole inner wall apply active force respectively, improve leakproofness, prevent water, body fluid or foreign matter enter from sealing hole in implantable medical device.In addition, the present invention also provides a kind of impulse generators with above-mentioned implantable medical device sealing structure.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of implantable medical device sealing structure and pulse generation
Device.
Background technology
At present, implantable medical device is widely used in treating the diseases such as nervous system, cardiac system.Implantable medical
Device includes lesions located in deep brain, the stimulation of implanted cortex, implanted spinal cord stimulation trial, implanted Sacral nerve electrical stimulation, plant
Enter the electro photoluminescence of formula vagus nerve, implantable cardiac electric stimulation（It is commonly called as pacemaker）, implanted drug infusion system etc..
Its midbrain depth electrode stimulator, structure is as shown in Figure 1, mainly include：The one subcutaneous impulse generator 10 of implantation, an implantation are deep
The stimulating electrode 12 of brain position, one connects the extension lead 13 and one of the stimulating electrode 12 and impulse generator 10 for journey
Control the vitro program controlled instrument 14 of the impulse generator 10.Impulse generator 10 generates specific electric stimulation pulse signal, and passes through and prolong
Long conducting wire 13 and stimulating electrode 12 are conducted to stimulation location and carry out stimulation regulation and control.Vitro program controlled instrument 14 can be with impulse generator 10
Wireless connection, and change its electric pulse stimulation parameter.One end of stimulating electrode 12 has multiple contacts, and stimulating electrode 12 is planted
After entering target position, at least one contact contacts closely with stimulation target spot, and appropriate electro photoluminescence is conducted to target spot, treatment
The disease of neural class.It is appreciated that the contact of stimulating electrode 12 can be one or more, to corresponding position into assassination
Swash, to ensure effect of stimulation.The other end of stimulating electrode 12 has multiple connections being arranged in a one-to-one correspondence with above-mentioned multiple contacts
Ring.Connection ring is used to internal circuit of multiple contacts respectively with impulse generator 10 being electrically connected.Impulse generator 10 has one
Connection component 11, for the internal circuit of impulse generator 10 to be connect with an electrode cable 15.Other implantable medical dresses
Similarly, only stimulating electrode 12 is in the position of human body difference for the structure put.
After these implantable medical devices implantation human body, need to safely and steadily run, this just needs to ensure each connecting portion
The leakproofness of position prevents body fluid infiltration from being impacted to circuit transmission.Implantable medical device is in use, usually first will stimulation electricity
The connecting portion of impulse generator is inserted into pole or one end of extension lead, then using holding screw by the stimulation of the insertion connecting portion
Electrode or extension lead locking.Thus it is guaranteed that the leakproofness of connecting pin is very crucial.Existing way is placed above screw
Sealing-plug, screwdriver passes through sealing-plug then screwdriver is extracted and sealing-plug is closed to screw and rotary screw locking during locking.
Chinese patent literature CN103893911A discloses a kind of sealing-plug of implantable medical device, by even
Silicone rubber seal object is filled in the sealing hole of connected components 11, water seal is carried out to sealing hole to realize, made by the effect of becket
The opening sealing stretched on sealing-plug for screwdriver, still, by silicone rubber seal object by force company of filling in sealing hole inside when operate
Inconvenience, and be susceptible to installation it is not in place and the problem of cause sealing effect poor, and the opening on silicone rubber seal object
There is the hidden danger of seal failure.
Invention content
For this purpose, the invention solves the defects of the installation of sealing-plug in the prior art inconvenience and poor sealing effect, so as to carry
For a kind of implantable medical device sealing structure easy for installation, sealing effect is good and impulse generator.
A kind of implantable medical device sealing structure of the present invention, including：
Screw has and the external screw thread of the screw hole cooperation on link block and the head extended radially outward；
Insulated enclosure circle is set in outside the screw, is arranged between the link block and the head of screw, described in sealing
Gap between screw and sealing hole inner wall；
The screw towards it is described connection Block direction tighten when, squeeze the insulated enclosure circle, make the insulated enclosure circle
It is axially compressed.
Preferably, implantable medical device sealing structure of the invention is provided with to cover above the screw
The firmly sealing cover of the intermediate joint-cutting of sealing hole opening.
Preferably, implantable medical device sealing structure of the invention, the sealing cover are Nian Jie with the hole wall of sealing hole.
Preferably, implantable medical device sealing structure of the invention, the sealing cover and/or insulated enclosure circle are by silicon
Rubber material is made.
Preferably, implantable medical device sealing structure of the invention, the screw head and the insulated enclosure circle
Between be additionally provided be set in outside the screw annular tabletting.
Preferably, implantable medical device sealing structure of the invention, between the screw head and the tabletting also
It is provided with the ring spring being set in outside the screw.
Preferably, implantable medical device sealing structure of the invention is arranged with the insulated enclosure on the screw
The part of circle is smooth outer wall.
Preferably, implantable medical device sealing structure of the invention is arranged with the insulated enclosure on the screw
The outer wall of the part of circle is taper surface, and cross-sectional area is gradually reduced towards the direction close to the link block.
The present invention also provides a kind of impulse generator, including：Housing, the battery and circuit board being arranged in the housing,
The connection component being connect with the housing seal, has the mounting hole that power supply polar conductor stretches on the connection component, and at least one
A link block and the sealing hole being correspondingly arranged with the link block are provided with above-mentioned implantable medical device in the sealing hole
With sealing structure, the mounting hole is flushed with the connecting hole on the link block.
Preferably, impulse generator of the invention, the link block and sealing hole are several that be set up in parallel.
Relative to the prior art, the present invention has the following advantages：
（1）The implantable medical device sealing structure of the present invention, after tightening screw, electricity that link block will stretch into connecting hole
Polar conductor is fixed, while screw is made to have whole downward pulling force, so as to extruding insulation sealing ring, insulated enclosure circle is made to exist
By force compresses on axial, so as to which insulated enclosure circle be made to expand radially, make insulated enclosure circle fully with the outer wall of screw and close
Sealing of hole inner wall contacts, and outer wall to screw and sealing hole inner wall apply active force respectively, improve leakproofness, prevent water, body
Liquid or foreign matter enter from sealing hole in implantable medical device.
（2）The implantable medical device sealing structure of the present invention covers sealing hole using sealing cover and is open, can be to prevent
Only screw made of metal exposes, and water can also be prevented to enter opening to a certain extent, while sealing cover is set by sealing cover
Intermediate joint-cutting is equipped with, screwdriver can be made to be extend into inside sealing hole across this joint-cutting, is such as schemed and shown, so as to rotate screw,
Facilitate and dismantled.
（3）The implantable medical device sealing structure of the present invention, screw head are provided with insulated enclosure circle and are set in
The tabletting of annular outside the screw, after setting tabletting, tabletting can apply stressed medium as screw to insulated enclosure circle, prevent
Insulated enclosure circle is worn when only screw rotates, the diameter of tabletting is slightly smaller than the internal diameter of sealing hole, makes insulated enclosure circle stress more
Uniformly.
（4）The implantable medical device sealing structure of the present invention, also sets up between the screw head and the tabletting
There is the ring spring being set in outside the screw.It, can be to tabletting and then to exhausted due to the effect of spring after ring spring is set
Edge sealing ring generates lasting pressure, further improves leakproofness.
（5）The implantable medical device sealing structure of the present invention is arranged with the insulated enclosure circle on the screw
Part is smooth outer wall.Smooth outer wall stud portion can preferably be contacted with insulated enclosure circle, obtain better seal effect
Fruit.
（6）The implantable medical device sealing structure of the present invention, will be arranged with the portion of the insulated enclosure circle on screw
The outer wall divided is taper surface, and screw is more tightened, then bigger to the extruding force of insulated enclosure circle, it is thus possible to further improve close
Feng Xing.
（7）The impulse generator of the present invention is had above-mentioned using above-mentioned implantable medical device sealing structure
The advantages of.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of implanted lesions located in deep brain device of the prior art；
Fig. 2 is the structure diagram of the impulse generator in embodiment 3；
Fig. 3 is the sectional view of the implantable medical device sealing structure in embodiment 1；
Fig. 4 is a kind of sectional view of the implantable medical device sealing structure of embodiment in embodiment 2；
Fig. 5 is the sectional view of the implantable medical device sealing structure of the another embodiment in embodiment 2.
Reference sign：
1- link blocks；2- insulated enclosure circles；3- screws；4- tablettings；5- sealing covers；6- ring springs；7- screwdrivers；8- connects
Connect hole；9- mounting holes；10- impulse generators；11- connection components；12- stimulating electrodes；13- extension lead 14- vitro program controlled instruments；
15- electrode cables.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of implantable medical device sealing structure, as shown in figure 3, including：
Screw 3 has and the external screw thread of the screw hole cooperation on link block 1 and the head extended radially outward；
Insulated enclosure circle 2 is set in outside the screw 3, is arranged between the link block 1 and the head of screw 3, sealing
Gap between the screw 3 and sealing hole inner wall, as blocked between screw 3 and sealing hole inner wall in Fig. 2 to complete
Gap；
The screw 3 towards 1 direction of link block tighten when, squeeze the insulated enclosure circle 2, make the insulated enclosure
It is axially compressed to enclose 2.
The implantable medical device sealing structure of the present embodiment, after tightening screw 3, link block 1 will stretch into connecting hole 8
Electrode cable is fixed, while screw 3 is made to have whole downward pulling force, so as to extruding insulation sealing ring 2, makes insulated enclosure
Circle 2 is compressed in the axial direction by power F（It is compressed downwards in Fig. 3-5）, so as to which insulated enclosure circle 2 be made to expand radially, make insulation close
Seal 2 is fully contacted with the outer wall of screw 3 and sealing hole inner wall, and outer wall to screw 3 and sealing hole inner wall apply work respectively
Firmly P improves leakproofness, prevents water, body fluid or foreign matter from entering in implantable medical device from sealing hole.
Embodiment 2
The present embodiment provides a kind of implantable medical device sealing structure, as shown in figure 4, including：
Screw 3 has and the external screw thread of the screw hole cooperation on link block 1 and the head extended radially outward；
Insulated enclosure circle 2 is set in outside the screw 3, is arranged between the link block 1 and the head of screw 3, sealing
Gap between the screw 3 and sealing hole inner wall；
The screw 3 towards 1 direction of link block tighten when, squeeze the insulated enclosure circle 2, make the insulated enclosure
It is axially compressed to enclose 2；
The pressure for being set in the annular outside the screw 3 is additionally provided between 3 head of screw and the insulated enclosure circle 2
Piece 4.
After setting tabletting 4, tabletting 4 can apply stressed medium as screw 3 to insulated enclosure circle 2, prevent screw 3 from rotating
When abrasion insulated enclosure circle 2, the diameter of tabletting 4 is slightly smaller than the internal diameter of sealing hole, is more uniformly stressed insulated enclosure circle 2.
Further, it is additionally provided with the ring being set in outside the screw 3 between 3 head of screw and the tabletting 4
Shape spring 6, as shown in Figure 5.
After ring spring 6 is set, due to the effect of ring spring 6, it can be generated to tabletting 4 and then to insulated enclosure circle 2
Lasting pressure, further improves leakproofness.Certainly, as deformation, can also one tabletting be set again in 3 lower head of screw.
Ring spring 6 can be oval ring spring or diaphragm spring etc..
Preferably, the part that the insulated enclosure circle 2 is arranged on the screw 3 is smooth outer wall.Such as Figure 4 and 5 institute
Show, screw 3 from top to bottom, respectively head, smooth outer wall stud portion and the threaded stud portion of tool, wherein with screw thread
Stud portion coordinate for stretching into link block 2 in link block 1.Smooth outer wall stud portion can preferably with insulated enclosure circle
2 contacts, obtain better seal effect.
Further, it is taper surface, and transversal that the outer wall of the part of the insulated enclosure circle 2 is arranged on the screw 3
Face area is gradually reduced towards the direction close to the link block 1.On the longitudinal section of screw 3, the contour line and spiral shell of conical outer wall
The angle of the central axes of nail 3 is 5-10 °, such as 5 °, 6 °, 8 °, 10 °.Smooth outer wall stud portion can also be cylindrical.
The outer wall that the part of the insulated enclosure circle 2 will be arranged on screw 3 is taper surface, and screw 3 is more tightened, then right
The extruding force of insulated enclosure circle 2 is bigger, it is thus possible to further improve leakproofness.
Further, the top of the screw 3 is provided with the sealing cover for covering the intermediate joint-cutting that sealing hole is open
5.The sealing cover 5 is Nian Jie with the hole wall of sealing hole.
Sealing hole is covered using sealing cover 5 to be open, and can be prevented screw 3 made of metal from exposing, be passed through sealing cover 5
Water can be prevented to enter opening to a certain extent, while sealing cover 5 is provided with intermediate joint-cutting, screwdriver 7 can be made to pass through this
Joint-cutting is extend into inside sealing hole, as shown in Figures 4 and 5, so as to rotate screw 3, is facilitated and is dismantled.
What deserves to be explained is the sealing cover 5 and/or insulated enclosure circle 2 are preferably made of silastic material.
The heat resistance and good permeability of silicon rubber, in addition, silicon rubber also has physiological inertia, will not lead to the prominent of blood coagulation
Go out characteristic, be the elite clone used on medical instrument.
Screw 3 can be soket head cap screw, or cross, linear type screw.
Sealing hole is from outside to inside as shown in Figures 4 and 5（The top to bottm from figure）, it is separately formed the stepped hole that haves three layers（It is respectively outer
Stepped hole, intermediate stepped hole, interior stepped hole）, and hole internal diameter is gradually reduced from outside to inside, and link block 1 is located in interior stepped hole,
Insulated enclosure circle 2 is located at intermediate stepped hole, and tabletting 4 is usually located at outer stepped hole（Tabletting 4 may also be because of tightening screw 3
Enter interior stepped hole afterwards, therefore the diameter of tabletting 4 should be less than the internal diameter of interior stepped hole）, the head of screw 3 and sealing cover 5 are located at
At outer stepped hole.
Embodiment 3
The present embodiment provides a kind of impulse generator, as shown in Fig. 2, including：Housing 101 is arranged in the housing 101
Battery and circuit board（Battery and circuit board do not mark in figure）, the connection component 11 with the housing 101 sealed connection,
There is the mounting hole 9 that stretches into of power supply polar conductor, at least one link block 1 and right with the link block 1 on the connection component 11
The sealing hole that should be set is provided with the implantable medical device as described in embodiment 1 or 2 in the sealing hole and is tied with sealing
Structure, the mounting hole 9 are flushed with the connecting hole 8 on the link block 1, and electrode cable is allow to stretch into mounting hole 9 and the company of passing through
Connect hole 8.
The impulse generator of the present embodiment using the implantable medical device sealing structure of embodiment 1 or 2, thus has
There is the advantages of described in embodiment 1 or 2.
Preferably, the link block 1 and sealing hole are several that be set up in parallel.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (6)
1. a kind of implantable medical device sealing structure, which is characterized in that including：Screw（3）, have and link block（1）On
Screw hole cooperation external screw thread and the head that extends radially outward；Insulated enclosure circle（2）, it is set in the screw（3）Outside,
It is arranged on the link block（1）With screw（3）Head between, seal the screw（3）With the gap between sealing hole inner wall；
The screw（3）Towards the link block（1）When direction is tightened, the insulated enclosure circle is squeezed（2）, make the insulated enclosure circle
（2）It is axially compressed；The screw（3）Head and the insulated enclosure circle（2）Between be additionally provided with and be set in the screw（3）
The tabletting of outer annular（4）；The screw（3）Head and the tabletting（4）Between be additionally provided with and be set in the screw（3）
Outer ring spring（6）；The screw（3）On be arranged with the insulated enclosure circle（2）Part be smooth outer wall；The spiral shell
Nail（3）On be arranged with the insulated enclosure circle（2）Part outer wall for taper surface, and cross-sectional area is towards close to the company
Connect block（1）Direction be gradually reduced, screw（3）Longitudinal section on, the contour line and screw of conical outer wall（3）Central axes folder
Angle is 6-8 °.
2. implantable medical device sealing structure according to claim 1, which is characterized in that the screw（3）It is upper
Side is provided with the sealing cover for covering the intermediate joint-cutting that sealing hole is open（5）.
3. implantable medical device sealing structure according to claim 2, which is characterized in that the sealing cover（5）With
The hole wall bonding of sealing hole.
4. implantable medical device sealing structure according to claim 3, which is characterized in that the sealing cover（5）With/
Or insulated enclosure circle（2）It is made of silastic material.
5. a kind of impulse generator, including：Housing（101）, it is arranged on the housing（101）Interior battery and circuit board, with institute
State housing（101）The connection component of sealed connection（11）, which is characterized in that the connection component（11）It is upper that there is power supply polar conductor
The mounting hole stretched into（9）, at least one link block（1）With with the link block（1）The sealing hole being correspondingly arranged, the sealing hole
Interior setting is just like claim 1-4 any one of them implantable medical device sealing structures, the mounting hole（9）With it is described
Link block（1）On connecting hole（8）It flushes.
6. impulse generator according to claim 5, which is characterized in that the link block（1）It is arranged side by side with sealing hole
Setting several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306286.5A CN105771090B (en) | 2016-05-11 | 2016-05-11 | A kind of implantable medical device sealing structure and impulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306286.5A CN105771090B (en) | 2016-05-11 | 2016-05-11 | A kind of implantable medical device sealing structure and impulse generator |
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| Publication Number | Publication Date |
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| CN105771090A CN105771090A (en) | 2016-07-20 |
| CN105771090B true CN105771090B (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610306286.5A Active CN105771090B (en) | 2016-05-11 | 2016-05-11 | A kind of implantable medical device sealing structure and impulse generator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618949A (en) * | 2019-10-08 | 2021-04-09 | 苏州景昱医疗器械有限公司 | Connector assembly for implantable medical device and method of making same |
| CN110947097B (en) * | 2019-11-29 | 2023-06-20 | 常州瑞神安医疗器械有限公司 | Self-sealing plug structure for implantable medical device and implantable medical device |
| CN113289137B (en) * | 2021-05-24 | 2022-10-18 | 枣庄市肿瘤医院(枣庄市胸科医院) | Implantable medical device based on self-sealing plug structure |
| CN113809593B (en) * | 2021-09-30 | 2023-08-15 | 苏州景昱医疗器械有限公司 | Connecting device and nerve electrical stimulation system |
| CN116510180B (en) * | 2023-06-28 | 2023-09-26 | 苏州景昱医疗器械有限公司 | Anti-drop structure, pulse generator and nerve stimulation system |
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| US4461194A (en) * | 1982-04-28 | 1984-07-24 | Cardio-Pace Medical, Inc. | Tool for sealing and attaching a lead to a body implantable device |
| US20060259092A1 (en) * | 2005-05-13 | 2006-11-16 | Scott Spadgenske | Contrasted components for a medical device |
| AU2012352462B2 (en) * | 2011-12-13 | 2015-05-21 | Cardiac Pacemakers, Inc. | Implantable device header and method |
| CN103893911B (en) * | 2012-12-28 | 2016-06-08 | 苏州景昱医疗器械有限公司 | A kind of have anti-screw and back-out the implantable medical device of structure and system |
| CN204170292U (en) * | 2014-10-10 | 2015-02-25 | 创领心律管理医疗器械（上海）有限公司 | A kind of sealing device and containing sealing device plant/interventional medical device |
| CN205924710U (en) * | 2016-05-11 | 2017-02-08 | 常州瑞神安医疗器械有限公司 | Implanted is seal structure and impulse generator for medical devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204239751U (en) * | 2014-11-13 | 2015-04-01 | 贵州航天林泉电机有限公司 | A kind of Novel threaded sealing structure |
| CN104976347A (en) * | 2015-06-16 | 2015-10-14 | 上海鹰峰电子科技有限公司 | Non-planar type sealing joint assembly |
| CN105107091A (en) * | 2015-08-21 | 2015-12-02 | 北京品驰医疗设备有限公司 | Sealing plug and implantable medical device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105771090A (en) | 2016-07-20 |
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