CN109876217A - Ventricular assist device line outlet waterproof construction - Google Patents
Ventricular assist device line outlet waterproof construction Download PDFInfo
- Publication number
- CN109876217A CN109876217A CN201910090024.3A CN201910090024A CN109876217A CN 109876217 A CN109876217 A CN 109876217A CN 201910090024 A CN201910090024 A CN 201910090024A CN 109876217 A CN109876217 A CN 109876217A
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- Prior art keywords
- fitting
- conduction
- water fender
- assist device
- hole
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- 230000002861 ventricular Effects 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 19
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000004088 pulmonary circulation Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
The invention discloses fitting, inner cover, outer cover, cable and circuit boards in a kind of ventricular assist device line outlet waterproof construction, including shell, conduction；The shell is equipped with water fender, and water fender is equipped with mounting hole；Fitting passes through mounting hole in the conduction, is tightly connected between fitting and mounting hole in conduction；It is covered on hull outside in described, is inside covered equipped with threading hole, water fender is placed in the range of inner cover encirclement；The outer cover and inner cover are tightly connected, and outer cover, inner cover and water fender are surrounded by seal chamber；A part of the cable passes through threading hole and is placed in seal chamber, and the position that cable is placed in threading hole is cased with sealing shroud, and cable is placed in fitting in the position in seal chamber and conduction and is electrically connected；The circuit board is placed in enclosure interior, and one end that fitting is placed in enclosure interior in circuit board and conduction is electrically connected；This scheme realizes dual waterproof by sealing shroud and water fender, to solve the problems, such as prior art poor waterproof properties.
Description
Technical field
The present invention relates to a kind of waterproof construction, in particular to a kind of ventricular assist device line outlet waterproof construction.
Background technique
Ventricular assist device is that the cardiac mechanical supported is provided to circulation when ventricle is not able to satisfy systemic perfusion and needs
Auxiliary device；By maintaining and increasing body, pulmonary circulation, guarantees and improve perfused tissue, reduce myocardial oxygen consumption, increase cardiac muscle and supply
Oxygen enables the heart of failure to restore function or temporarily replaces cardiac function waiting for heart transplantation, while it is also serious heart failure
Exhaust strong emergency measures.
But in the prior art, cable interface position is sealed only with sealing shroud, with the increasing for using the time
Long, the readily permeable inside to ventricular assist device of blood is broken down so as to cause ventricular assist device, is even damaged, is
Sufferer brings serious security risk.
Summary of the invention
The purpose of the present invention is to provide a kind of ventricular assist device line outlet waterproof constructions, to solve existing ventricle auxiliary
The poor problem of device waterproof performance.
In order to solve the above-mentioned technical problems, the present invention provides a kind of ventricular assist device line outlet waterproof constructions, including,
Shell, the shell are equipped with water fender, and the water fender is equipped with mounting hole, and it is opposite that the mounting hole penetrates through the water fender
Two surfaces；Fitting in conduction, fitting passes through the mounting hole in the conduction, in the conduction fitting and the mounting hole it
Between be tightly connected, the both ends of fitting are respectively placed in the inside and outside of the shell in the conduction；Inner cover, it is described in be covered on
The hull outside, it is described in cover equipped with threading hole, the water fender is placed in the range of the inner cover surrounds；Outer cover, institute
It states outer cover and the inner cover is tightly connected, the outer cover, the inner cover and the water fender are surrounded by seal chamber；Cable, it is described
A part of cable passes through the threading hole and is placed in the seal chamber, and the position that the cable is placed in the threading hole is cased with
Sealing shroud, the cable are placed in fitting in the position in the seal chamber and the conduction and are electrically connected；And circuit board, it is described
Circuit board is placed in the enclosure interior, and one end that the circuit board is placed in the enclosure interior with fitting in the conduction electrically connects
It connects.
Wherein, fitting is line needle in the conduction.
Wherein, insulation rubber mat is cased on the line needle, the insulation rubber mat is placed in the line needle and the mounting hole
Between.
Wherein, glue is filled between the insulation rubber mat and the mounting hole.
Wherein, the shape of the sealing shroud is taper, and the shape of the threading hole and the shape of the sealing shroud match,
The sealing shroud is abutted with the inner wall of the threading hole.
Wherein, glue is filled between the sealing shroud and the threading hole.
Wherein, the hole wall of the threading hole is equipped with gluing hole, and the gluing hole penetrates through the hole wall of the threading hole.
Wherein, snap ring is also cased on the cable, the snap ring is held between the sealing shroud and the outer cover.
Wherein, the water fender is fixed with the case weld, and the inner cover is fixed with the case weld, the outer cover
It is welded and fixed with the inner cover.
Wherein, which is characterized in that the surface of the water fender is covered with glue, the glue cover to the water fender with
The junction of fitting in the conduction.
Beneficial effects of the present invention are as follows:
Firstly, since the position that the cable is placed in the threading hole is cased with sealing shroud, thus threading hole and cable it
Between construct first of waterproof barrier, to prevent water lease making threading hole from entering in seal chamber；Secondly as being connect in the conduction
It is tightly connected between part and the mounting hole, it is electrical that the cable is placed in fitting in the position in the seal chamber and the conduction
One end that fitting is placed in the enclosure interior in connection, the circuit board and the conduction is electrically connected, i.e., cable can pass through
Fitting and circuit board electrical communication in conduction, so this moisture still can be by water fender even if there is moisture to enter in seal chamber
Barrier, to realize the dual water-proof function of ventricular assist device.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the disassemblying structure signal that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides
Figure；
Fig. 2 is knot before the line needle assembling that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides
Structure schematic diagram；
Fig. 3 is tied after the line needle that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides assembles
Structure schematic diagram；
Fig. 4 is the part A enlarged structure schematic diagram of Fig. 1；
Fig. 5 is the water fender and shell group that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides
Structural schematic diagram after dress；
Fig. 6 is the circuit board and line needle that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides
Attachment structure schematic diagram；
Fig. 7 is the inner cover assembled state knot that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides
Structure schematic diagram；
Fig. 8 is that the cable that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides and line needle connect
Connect structural schematic diagram；
Fig. 9 be ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provide cable, sealing shroud and
Snap ring assembled state diagrammatic cross-section；
Figure 10 is the structural schematic diagram that ventricular assist device line outlet waterproof construction preferred embodiment of the present invention provides.
Appended drawing reference is as follows:
1, shell；11, flange；2, water fender；21, mounting hole；22, boss；3, fitting in conduction；4, inner cover；41, it threads
Hole；42, gluing hole；5, outer cover；6, cable；7, sealing shroud；8, circuit board；9, insulate rubber mat；10, snap ring.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by.
From Fig. 1, Fig. 2 and Fig. 7 it is found that ventricular assist device line outlet waterproof construction described in the embodiment of the present invention, including,
Shell 1, the shell 1 are equipped with water fender 2, and the water fender 2 is equipped with mounting hole 21, and the mounting hole 21 penetrates through the gear
Two opposite surfaces of water plate 2；Fitting 3 in conduction, it is described conduction in fitting 3 pass through the mounting hole 21, it is described conduction in fitting 3
It is tightly connected between the mounting hole 21, the both ends of fitting 3 are respectively placed in the inside of the shell 1 and outer in the conduction
Portion；Inner cover 4, the inner cover 4 are set to outside the shell 1, it is described in cover 4 and be equipped with threading hole 41, the water fender 2 is placed in institute
State inner cover 4 surround in the range of；Outer cover 5, the outer cover 5 are tightly connected with the inner cover 4, the outer cover 5,4 and of the inner cover
The water fender 2 is surrounded by seal chamber；Cable 6, a part of the cable 6 pass through the threading hole 41 and are placed in the seal chamber
Interior, the position that the cable 6 is placed in the threading hole 41 is cased with sealing shroud 7, and the cable 6 is placed in the portion in the seal chamber
Position is electrically connected with fitting 3 in the conduction；And circuit board 8, the circuit board 8 are placed in inside the shell 1, the circuit
Fitting 3 is placed in the electric connection of one end inside the shell 1 in plate 8 and the conduction.
Aforesaid way realizes dual water-proofing treatment, firstly, since the position that cable 6 is placed in threading hole 41 is cased with sealing shroud
7, so first of waterproof barrier is constructed between threading hole 41 and cable 6, to prevent water lease making threading hole 41 from entering to sealing
It is intracavitary；Secondly as fitting 3 is tightly connected in the mounting hole 21 of water fender 2 and conduction, cable 6 can pass through fitting 3 in conduction
With 8 electrical communication of circuit board, so this moisture can still be obstructed by water fender 2 even if there is moisture to enter in seal chamber, thus
Realize the dual water-proof function of ventricular assist device.
Preferably, in order to reinforce the sealing performance in conduction between fitting 3 and mounting hole 21, Ying Caiyong does not allow to be also easy to produce shape
Change material production conduction in fitting 3, to avoid in conduction fitting 3 influenced in application process in the future because of deformation retract it is close
Connection effect is sealed, as shown in Figure 1, it is line needle that a kind of preferred embodiment, which can be fitting 3 in the conduction,.
Fitting 3 is line needle in conduction at this time, and line needle is a kind of rigid conductive device made of conductive metal, shape
Variable is small, is not only able to that line needle is avoided to influence to be tightly connected effect generating deformation in the future, and pass through peace in line needle
Dress hole 21 is when assembled, since line needle will not be badly deformed, so the installation convenience of line needle be also much better than it is soft
Property conducting wire, to also substantially increase installation production efficiency.
In addition, from fig. 1, it can be seen that line needle be seven, to respectively correspond electric connection with the route in cable 6, that is, lead
The quantity of line needle is also not particularly limited, and need to only guarantee to be correspondingly connected with conducting with the middle necessary connection line of cable 6.
Preferably, in order to further strengthen the sealed connection effect between line needle and mounting hole 21, it should ensure that the two
Between gap should be at the state being fully filled, as shown in Fig. 2, a kind of preferred embodiment can be on the line needle
It is cased with insulation rubber mat 9, the insulation rubber mat 9 is placed between the line needle and the mounting hole 21.
Insulating, rubber mat 9 is roughly annular, and to insulate, rubber mat 9 can be placed on outside line needle, fills since insulation rubber mat 9 has
The elasticity of foot, so insulation rubber mat 9 is not only able to the line needle that is locked, moreover it is possible to be held in close elasticity with 21 moment of mounting hole and support
State is connect, to prevent water point across gap between the two；Wherein, insulation rubber mat 9 is made of elastic preferably colloidal materials,
And silica gel has the advantages that anticorrosive, anti-aging, elasticity is good etc. a variety of, so insulation rubber mat 9 preferably is made using silica gel.
It preferably, can be to insulating cement in order to further reinforce the sealed connection effect between line needle and mounting hole 21
Gap between pad 9 and mounting hole 21 is sealed processing again, and a kind of preferred embodiment can be the insulation rubber mat 9
Glue is filled between the mounting hole 21.
Although watertightness between line needle and mounting hole 21 can be reinforced after adding insulation rubber mat 9, insulation rubber mat 9 with
Gap is substantially still remained between mounting hole 21, only moisture is difficult to pass through substantially, and after filling glue therebetween, almost
Insulation rubber mat 9 is connect with 21 the two of mounting hole and is integral, to enhance watertightness again；Similarly, in insulation rubber mat 9
Glue can also be filled between line needle, reinforce watertightness between the two again with this.
Preferably, in order to ensure the watertightness between cable 6 and threading hole 41 is good, it should enable sealing shroud 7 with
Cable 6, threading hole 41 fit closely, as shown in figure 9, the shape that a kind of preferred embodiment can be the sealing shroud 7 is
Taper, the shape of the threading hole 41 and the shape of the sealing shroud 7 match, the sealing shroud 7 and the threading hole 41
Inner wall abuts.
For shown in Fig. 9, the inner cavity of the shape of sealing shroud 7 and threading hole 41 is taper at this time, due to the two shape
Matching, so when sealing shroud 7 is individually put into threading hole 41, sealing shroud 7 is by can be easily in accessible insertion threading hole 41；
But since sealing shroud 7 is also placed on outside cable 6, outer expansion is generated so as to cause sealing shroud 7, so simply inserting sealing shroud 7
When entering in threading hole 41, sealing shroud 7, which will only have its narrow end, can be injected in threading hole 41, and the wide end of sealing shroud 7 is understood some and set
In outside threading hole 41；If sealing shroud 7 is the shapes such as cylinder, it is difficult to that sealing shroud 7 is fully advanced in threading hole 41 again at this time substantially,
And cone-shaped sealed gland 7 is advantageous in that and only needs further to exert a force at this time and can be fully advanced sealing shroud 7 in threading hole 41, moreover it is possible to
So that 7 held tight of sealing shroud is between threading hole 41 and cable 6, to guarantee the good watertight between threading hole 41 and cable 6
Property.
It preferably, can be to sealing shroud in order to further reinforce the sealed connection effect between sealing shroud 7 and threading hole 41
Gap between 7 and threading hole 41 is sealed processing again, and a kind of preferred embodiment can be the sealing shroud 7 and institute
It states between threading hole 41 filled with glue.
Although sealing shroud 7 is in the state closely abutted with threading hole 41, moisture is difficult to pass through substantially, real between the two
Matter still remains gap, and after filling glue therebetween, it is whole that both sealing shroud 7 and threading hole 41 are almost connected as one
Body, to enhance watertightness again；Similarly, glue can also be filled between sealing shroud 7 and cable 6, added again with this
Watertightness between the two by force.
Preferably, for the ease of filling glue between sealing shroud 7 and threading hole 41, phase can be set on threading hole 41
Structure is closed, as shown in fig. 7, the hole wall that a kind of preferred embodiment can be the threading hole 41 is equipped with gluing hole 42, institute
State the hole wall that gluing hole 42 penetrates through the threading hole 41.
It, only need to be through gluing hole 42 to being filled inside threading hole 41 after cable 6 and sealing shroud 7 are already inserted into threading hole 41
Glue, glue will be filled in naturally between sealing shroud 7 and threading hole 41, i.e., without in advance in the inner wall or sealing shroud of threading hole 41
7 outer wall coating glues, encapsulating operation more can ensure that the comprehensive of glue coverage area not only than glue coating operation simplicity
Property, also avoid being inserted into threading hole 41 in sealing shroud 7 and generate the phenomenon that the glue solidifies, thus for sealing shroud 7 and threading hole 41 it
Between watertightness provide important leverage.
Preferably, in order to ensure the watertightness between cable 6 and threading hole 41 is good, it should be ensured that the installation of sealing shroud 7
Securely, to avoid there is the case where influencing watertightness because of the loosening of sealing shroud 7, as shown in Figure 9 and Figure 10, one kind is preferred to be implemented
Mode can be and also be cased with snap ring 10 on the cable 6, and the snap ring 10 is held between the sealing shroud 7 and the outer cover 5.
At this time since snap ring folder 10 is held between sealing shroud 7 and outer cover 5, so snap ring 10 can limit sealing shroud 7 from wearing
Abjection in string holes 41, and outer cover 5 is substantially also achieved between sealing shroud 7 and outer cover 5 by the way that snap ring 10 is pressed to sealing shroud 7
Sealed connection.
Preferably, in order to ensure the watertightness of ventricular assist device line outlet waterproof construction is good, it should be ensured that all parts
Between connecting portion watertightness, a kind of preferred embodiment can be the water fender 2 and is welded and fixed with the shell 1,
The inner cover 4 is welded and fixed with the shell 1, and the outer cover 5 is welded and fixed with the inner cover 4.
By welding, enable to water fender 2 and shell 1 is connected as one, inner cover 4 and shell 1 are connected as one and
Outer cover 5 is connected as one with inner cover 4, gap occurs to avoid the junction of component, to thoroughly prevent moisture through each portion
The case where part junction is penetrated into.
Preferably, water fender 2 is equivalent to the last line of defense of ventricular assist device line outlet waterproof construction, so in order to
The waterproof performance of water fender 2 is improved, a kind of surface that preferred embodiment can be the water fender 2 is covered with glue, institute
Glue is stated to cover to the junction of the water fender 2 and fitting 3 in the conduction.
So glue each connection gap of fitting 3 can cover in mounting hole to water fender 2 and conduction at this time, from
And moisture is avoided to enter to inside shell 1 through the gap between fitting 3 in mounting hole and conduction, further improve ventricle auxiliary dress
Set the waterproof performance of line outlet waterproof construction.
In summary improved procedure, the at this time group of ventricular assist device line outlet waterproof construction described in the embodiment of the present invention
Dress process approximately as:
1, as shown in Figures 2 and 3, fitting 3 is line needle in conduction, and line needle is cylindrical, is first placed on insulation rubber mat 9
Line needle, is then inserted into and pacifies by the outside of line needle, and the hole wall coating glue in the outer surface of insulation rubber mat 6 and mounting hole 21
In dress hole 21, until the rubber mat 9 that will insulate flattens；
2, as shown in Figure 1, Figure 4 and Figure 5, shell 1 substantially be in circular ring shape, 1 side wall of shell one at be engraved structure, shell
1 outer wall is equipped with a circle flange 11 around engraved structure, and the surface middle part of water fender 2 towards engraved structure is equipped with boss 22,
It is embedded in by boss 22 in the space that flange 11 surrounds, so that the surface of water fender 2 towards engraved structure is abutted with flange 11,
Then water fender 2 welded seal is carried out with 11 place of abutting of flange to fix；
3, as shown in fig. 6, the end that circuit board 8 is placed in inside shell 1 with line needle is welded to connect；
4, as shown in fig. 7, inner cover 4 is substantially in hollow frame like structure, threading hole 41 is placed in the right side of inner cover 4, threading hole
41 it is approximately axially identical as the length direction of inner cover 4, inner cover 4 is surrounded on outside water fender 2 at this time, and by inner cover 4 and shell 1
It is welded and fixed；
5, cable 6 as shown in Figure 8 and Figure 9, is passed through into threading hole 41, sealing shroud 7 and snap ring are then loaded on cable 6
10, and sealing shroud 7 is filled in threading hole；
6, it as shown in Figure 2 and Figure 8, is welded and fixed the line related of cable 6 is corresponding with line needle, then in water fender
Surface coating glue so that glue covers the abutting portion of mounting hole 21, line needle and the rubber mat that insulate, and reinforces line
Connection between cable 6 and line needle；
7, as shown in Figure 10, the fitting corresponding with inner cover 4 of outer cover 5 is abutted, at this time at the edge of outer cover 5 and inner cover 4
In the state of Corresponding matching, then by the abutting portion of welding outer cover 5 and inner cover 4, the two is connected and fixed；
8, entire ventricle as illustrated in fig. 7 and fig. 10, is completed to encapsulating is carried out inside threading hole 41 with this by gluing hole 42
The assembling of auxiliary device line outlet waterproof construction.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of ventricular assist device line outlet waterproof construction, which is characterized in that including,
Shell, the shell are equipped with water fender, and the water fender is equipped with mounting hole, and the mounting hole penetrates through the water fender
Two opposite surfaces；
Fitting in conduction, it is described conduction in fitting pass through the mounting hole, it is described conduction in it is close between fitting and the mounting hole
Envelope connects, and the both ends of fitting are respectively placed in the inside and outside of the shell in the conduction；
Inner cover, it is described in be covered on the hull outside, it is described in cover equipped with threading hole, the water fender is placed in the inner cover
In the range of encirclement；
Outer cover, the outer cover and the inner cover are tightly connected, and the outer cover, the inner cover and the water fender are surrounded by sealing
Chamber；
Cable, a part of the cable pass through the threading hole and are placed in the seal chamber, and the cable is placed in the threading
Position in hole is cased with sealing shroud, and the cable is placed in fitting in the position in the seal chamber and the conduction and is electrically connected；
And circuit board, the circuit board are placed in the enclosure interior, fitting is placed in described in the circuit board and the conduction
One end of enclosure interior is electrically connected.
2. ventricular assist device line outlet waterproof construction according to claim 1, which is characterized in that fitting in the conduction
For line needle.
3. ventricular assist device line outlet waterproof construction according to claim 2, which is characterized in that covered on the line needle
There is insulation rubber mat, the insulation rubber mat is placed between the line needle and the mounting hole.
4. ventricular assist device line outlet waterproof construction according to claim 3, which is characterized in that the insulation rubber mat with
Glue is filled between the mounting hole.
5. ventricular assist device line outlet waterproof construction according to claim 1, which is characterized in that outside the sealing shroud
Shape is taper, and the shape of the threading hole and the shape of the sealing shroud match, and the sealing shroud is interior with the threading hole
Wall abuts.
6. ventricular assist device line outlet waterproof construction according to claim 5, which is characterized in that the sealing shroud and institute
It states between threading hole filled with glue.
7. ventricular assist device line outlet waterproof construction according to claim 6, which is characterized in that the hole of the threading hole
Wall is equipped with gluing hole, and the gluing hole penetrates through the hole wall of the threading hole.
8. ventricular assist device line outlet waterproof construction according to claim 5, which is characterized in that also covered on the cable
There is snap ring, the snap ring is held between the sealing shroud and the outer cover.
9. ventricular assist device line outlet waterproof construction according to claim 1, which is characterized in that the water fender and institute
It states case weld to fix, the inner cover is fixed with the case weld, and the outer cover is welded and fixed with the inner cover.
10. ventricular assist device line outlet waterproof construction according to claim 1, which is characterized in that the water fender
Surface is covered with glue, and the glue covers the junction of the fitting into the water fender and the conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090024.3A CN109876217A (en) | 2019-01-29 | 2019-01-29 | Ventricular assist device line outlet waterproof construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090024.3A CN109876217A (en) | 2019-01-29 | 2019-01-29 | Ventricular assist device line outlet waterproof construction |
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| Publication Number | Publication Date |
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| CN109876217A true CN109876217A (en) | 2019-06-14 |
Family
ID=66927340
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|---|---|---|---|
| CN201910090024.3A Pending CN109876217A (en) | 2019-01-29 | 2019-01-29 | Ventricular assist device line outlet waterproof construction |
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| US20120325548A1 (en) * | 2011-06-23 | 2012-12-27 | Martinson Timothy L | Watertight seal assembly |
| US20140378744A1 (en) * | 2013-06-21 | 2014-12-25 | Corvivo Inc. | Ventricular Assist Device |
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| CN203813117U (en) * | 2014-03-18 | 2014-09-03 | 勖连科技股份有限公司 | Waterproof connector |
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