CN207950244U - The semi-automatic special peritoneal dialysis expander of extension type needle core - Google Patents
The semi-automatic special peritoneal dialysis expander of extension type needle core Download PDFInfo
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- CN207950244U CN207950244U CN201721697840.3U CN201721697840U CN207950244U CN 207950244 U CN207950244 U CN 207950244U CN 201721697840 U CN201721697840 U CN 201721697840U CN 207950244 U CN207950244 U CN 207950244U
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- core
- needle core
- expander
- leading
- needle
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Abstract
The semi-automatic special peritoneal dialysis expander of extension type needle core, including fixing pipe, core is led in the inside installation of fixing pipe, and the periphery for leading core is bonded with the inner wall of fixing pipe, and leading core can slide in fixing pipe, it leads and opens up through-hole in the middle part of core, needle core is installed, needle core is cylindricality rod-like structure, and the utility model is leading in-core addition needle core inside through-hole, during so that expander is moved under water under stomach wall, conveniently leads core when needing the when of leading core breakthrough peritonaeum that the blade of needle core can be made to stretch out and puncture peritonaeum.The needle core both ends of the utility model, which are leant out, leads core, and healthcare givers is enable to control the stretching of another terminal knife edge by the position of control needle core one end and pack up.
Description
Technical field
The utility model is related to a kind of expander, more precisely a kind of semi-automatic special peritonaeum of extension type needle core is saturating
Analyse expander.
Background technology
When pipe is set in percutaneous puncture peritoneal dialysis, expander can be used, this expander is by leading the avulsion sheath group of core and outer layer
At it is taper that expander used at present, which leads core, and avulsion sheath is cylinder, enters abdominal cavity after being inserted into expander, leads core avulsion sheath
One end be left in abdominal cavity, but the core of leading of expander is the damage avoided for tissue, and tip is obtuse, in this way under stomach wall
Larger damage both will not be caused to tissue without larger resistance when moving under water, but when entering abdominal cavity because the tip for leading core is
Passivity tends not to break through peritonaeum.
Invention content
The purpose of this utility model is to provide a kind of special peritoneal dialysis expander of semi-automatic extension type needle core, can solve
Certainly above-mentioned problem.
The utility model to achieve the above object, is achieved through the following technical solutions：
Core is led in the inside installation of the semi-automatic special peritoneal dialysis expander of extension type needle core, including fixing pipe, fixing pipe,
The periphery for leading core is bonded with the inner wall of fixing pipe, and leading core can slide in fixing pipe, lead and open up through-hole in the middle part of core, in through-hole
Needle core is installed in portion, and needle core is cylindricality rod-like structure, and the central shaft of needle core and the center overlapping of axles for leading core, needle core can lead in-core edge
Axis slides, and blade is arranged in one end of needle core.
In order to further realize the purpose of this utility model, following technical scheme can also be used:The middle part for leading core
Setting adjusts position and lock mechanism, and the adjusting position and lock mechanism includes limiting plate and lockplate, leads and opens up column on the inside of core
Shape slot, cylindrical groove are cylinder type groove, the central shaft of cylindrical groove and the center overlapping of axles for leading core, the inside of cylindrical groove and through-hole
Inside communicates, and the inner wall of cylindrical groove connects several limiting plates being arranged in a row, and the outside of needle core connects lockplate, and lockplate can be with
Different limiting plate cooperations.
Open up open-work in the middle part of the lockplate, rubber block is installed in the inside of open-work, the middle part of rubber block and open-work it is interior
Wall connects, and the both sides of rubber block are all connected with a fixed ball, and the both sides of the limiting plate open up arc groove, fixed ball energy and arc
Shape slot coordinates.
The outside of the fixing pipe connects push plate.
The other end mounting knob of the needle core, handle are butterfly handle.
There is the core inner of leading internal thread, needle core periphery to have external screw thread, needle core and lead core screw-thread fit.
The utility model has the advantage of：The utility model is leading in-core addition needle core, and expander is made to move under water under stomach wall
In the process, it conveniently leads core when needing the when of leading core breakthrough peritonaeum that the blade of needle core can be made to stretch out and punctures peritonaeum.
The needle core both ends of the utility model, which are leant out, leads core, enables healthcare givers by controlling the position of needle core one end,
It controls the stretching of another terminal knife edge and packs up.The utility model is led core and can expanded in the internal slide of fixing pipe
Device is extracted after installation is complete and leads core.The utility model also has compact, manufacturing cost simple for structure cheap and using easy to be excellent
Point.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is I enlarged structure schematic diagram of Fig. 1；Fig. 3 is Fig. 1 along A-A
The section view enlarged structure schematic diagram of line.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
The semi-automatic special peritoneal dialysis expander of extension type needle core, as shown in Figure 1-Figure 3, including fixing pipe 13, it is fixed
Core 3 is led in the inside installation of pipe 13, and the periphery for leading core 3 is bonded with the inner wall of fixing pipe 13, and leading core 3 can slide in fixing pipe 13
Dynamic, the middle part for leading core 3 opens up through-hole 14, and needle core 2 is installed in 14 inside of through-hole, and needle core 2 is cylindricality rod-like structure, the center of needle core 2
Axis and the center overlapping of axles for leading core 3, needle core 2 can be slided leading in core 3 along axis, and blade 1 is arranged in one end of needle core 2.This practicality
It is novel to lead addition needle core 2 in core 3, during so that expander is moved under water under stomach wall, it can make when needing to lead when core 3 breaks through peritonaeum
The blade 1 of needle core 2 stretches out and conveniently leads core 3 and puncture peritonaeum.2 both ends of needle core of the utility model, which are leant out, leads core 3, makes medical people
Member can be controlled the stretching of another terminal knife edge 1 and packed up by the position of 2 one end of control needle core.The utility model leads 3 energy of core
Enough internal slides in fixing pipe 13 can be extracted after installation is complete in expander and lead core 3.
The middle part setting for leading core 3 adjusts position and lock mechanism, and the adjusting position and lock mechanism includes 5 He of limiting plate
Lockplate 8, the inside for leading core 3 open up cylindrical groove 4, and cylindrical groove 4 is cylinder type groove, the central shaft of cylindrical groove 4 and lead in core 3
Mandrel overlaps, and the inside of cylindrical groove 4 is communicated with the inside of through-hole 14, and the inner wall of cylindrical groove 4 connects several limits being arranged in a row
The outside of plate 5, needle core 2 connects lockplate 8, and lockplate 8 can coordinate from different limiting plates 5.
The adjusting position and lock mechanism of the utility model can be coordinated by lockplate 8 and limiting plate 5, control blade 1
Stretch out and pack up, meanwhile, lockplate 8 coordinates the extension elongation that can adjust blade 1 from different limiting plate 5, to more added with
Peritonaeum is broken through conducive to blade 1.The cylindrical groove 4 of the utility model is cylinder type groove, and lockplate 8 can be allowed to have the activity of bigger
Space, to enable needle core 2 to pass through the locking and disengaging of rotation control lockplate 8 and limiting plate 5.The locking of the utility model
Plate 8 coordinates with limiting plate 5, and the position of blade 1 when blade 1 is adjusted to suitable position, can be made to lock, blade 1 is avoided to exist
It is slided under the action of external force.
The middle part of the lockplate 8 opens up open-work 9, and rubber block 10 is installed in the inside of open-work 9, the middle part of rubber block 10 with thoroughly
The inner wall in hole 9 connects, and the both sides of rubber block 10 are all connected with a fixed ball 11, and the both sides of the limiting plate 5 open up arc groove
12, fixed ball 11 can coordinate with arc groove 12.
11 energy of fixation ball of the utility model and the cooperation of arc groove 12 can improve matching between lockplate 8 and limiting plate 5
Intensity is closed, lockplate 8 is avoided to be detached from easily with limiting plate 5.The rubber block 10 of the utility model has elasticity, can pass through compression
Facilitate fixed ball 11 to slide into inside arc groove 12 with diastole, while can be fixed when fixed ball 11 coordinates with arc groove 12
Ball 11 provides the pressure towards arc groove 12, and fixed ball 11 is avoided to be slipped easily with arc groove 12.
The outside of the fixing pipe 13 connects push plate 6.
The push plate 6 of the utility model can facilitate healthcare givers that fixing pipe 13 is pushed to advance.
The other end mounting knob 7 of the needle core 2, handle 7 are butterfly handle.
The handle 7 of the utility model is butterfly handle, and healthcare givers can be facilitated to rotate needle core 2.
The inside of core 3 of leading has an internal thread, and 2 periphery of needle core has an external screw thread, needle core 2 and leads 3 screw-thread fit of core.Needle core
2 with lead 3 screw-thread fit of core, the extension elongation of needle core 2 can be made continuously adjustable.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. the semi-automatic special peritoneal dialysis expander of extension type needle core, it is characterised in that：Including fixing pipe (13), fixing pipe
(13) core (3) is led in inside installation, and the periphery for leading core (3) is bonded with the inner wall of fixing pipe (13), and leading core (3) can be in fixing pipe
(13) sliding, leads and opens up through-hole (14) in the middle part of core (3) in, and installation needle core (2) inside through-hole (14), needle core (2) is cylindrical rod
Shape structure, the central shaft of needle core (2) and the center overlapping of axles for leading core (3), needle core (2) can be slided leading in core (3) along axis, needle
One end setting blade (1) of core (2).
2. the special peritoneal dialysis expander of semi-automatic extension type needle core according to claim 1, it is characterised in that：It is described
The middle part setting for leading core (3) adjusts position and lock mechanism, and the adjusting position and lock mechanism includes limiting plate (5) and lockplate
(8), it leads and opens up cylindrical groove (4) on the inside of core (3), cylindrical groove (4) is cylinder type groove, the central shaft of cylindrical groove (4) and leads core
(3) inside of center overlapping of axles, cylindrical groove (4) is communicated with the inside of through-hole (14), and the inner wall of cylindrical groove (4) connects several rows
Limiting plate (5) in a row, the outside connection lockplate (8) of needle core (2), lockplate (8) can match from different limiting plates (5)
It closes.
3. the special peritoneal dialysis expander of semi-automatic extension type needle core according to claim 2, it is characterised in that：It is described
Open-work (9), the inside installation rubber block (10) of open-work (9), the middle part of rubber block (10) and open-work are opened up in the middle part of lockplate (8)
(9) inner wall connection, the both sides of rubber block (10) are all connected with a fixed ball (11), and the both sides of the limiting plate (5) open up
Arc groove (12), fixed ball (11) can coordinate with arc groove (12).
4. the special peritoneal dialysis expander of semi-automatic extension type needle core according to claim 1, it is characterised in that：It is described
The outside connection push plate (6) of fixing pipe (13).
5. the special peritoneal dialysis expander of semi-automatic extension type needle core according to claim 1, it is characterised in that：It is described
The other end mounting knob (7) of needle core (2), handle (7) are butterfly handle.
6. the special peritoneal dialysis expander of semi-automatic extension type needle core according to claim 1, it is characterised in that：It is described
Leading has internal thread inside core (3), and needle core (2) periphery has an external screw thread, needle core (2) and leads core (3) screw-thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697840.3U CN207950244U (en) | 2017-12-08 | 2017-12-08 | The semi-automatic special peritoneal dialysis expander of extension type needle core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697840.3U CN207950244U (en) | 2017-12-08 | 2017-12-08 | The semi-automatic special peritoneal dialysis expander of extension type needle core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207950244U true CN207950244U (en) | 2018-10-12 |
Family
ID=63728749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697840.3U Active CN207950244U (en) | 2017-12-08 | 2017-12-08 | The semi-automatic special peritoneal dialysis expander of extension type needle core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207950244U (en) |
-
2017
- 2017-12-08 CN CN201721697840.3U patent/CN207950244U/en active Active
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