CN206910579U - Two-layer compound anesthetic tube - Google Patents
Two-layer compound anesthetic tube Download PDFInfo
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- CN206910579U CN206910579U CN201720005630.7U CN201720005630U CN206910579U CN 206910579 U CN206910579 U CN 206910579U CN 201720005630 U CN201720005630 U CN 201720005630U CN 206910579 U CN206910579 U CN 206910579U
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- conduit
- layer
- pipe joint
- anesthetic tube
- compound anesthetic
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Abstract
The utility model provides two-layer compound anesthetic tube, including conduit and pipe joint, the conduit and pipe joint socket connection；The conduit includes internal layer and outer layer, and the internal layer is nylon material, and the outer layer is polyurethane material, the internal layer and outer layer hot melt composite joint；The one end of the conduit away from the pipe joint is provided with medicine outlet hole；Spiral support silk is provided between the internal layer and the outer layer.The conduit internal layer hardness of nylon material is high, provides good axial direction stable stability for composite conduit, not flexible, discounting, flattens；Nylon material has chemical inertness, is not easy with being chemically reacted by the decoction of conduit.The catheter outer hydrophily of polyurethane material is strong, and meeting water becomes smooth, is easy to, by tissue, skin, reduce frictionally damage；Polyurethane flexible and there is good biocompatibility, mitigate the sense of discomfort inserted the spinal epidural cavity of patient by conduit and brought；Polyurethane is easy to print, and graduation mark gos deep into catheter outer.
Description
Technical field
The utility model belongs to Medical anesthetic fixture technology field, and in particular to a kind of two-layer compound anesthetic tube.
Background technology
Extradural nerve block is a kind of anesthesia of wide clinical application, have it is simple to operate, cost is cheap, in art
It is easily managed, postoperative the advantages that being easy to Epidural analgesia.Because anesthetic tube needs to insert human body endorchis by surgical means
Exocoel is simultaneously retained in human body for a period of time, thus anesthetic tube both needed hard material provide good axial stability in order to
Insert without bending, giving a discount, need conduit softness material to provide excellent comfort again, traditional single material conduit is difficult full
The particular/special requirement of this contradiction of foot, in the market produce anesthesia using the neither too hard, nor too soft nylon elastomer of method selection of compromise mostly
Conduit, nylon elastomer are difficult to print, and its graduation mark is attached to conduit outer wall, influence the smoothness of conduit.
The content of the invention
In view of the above the shortcomings that prior art, the purpose of this utility model is that providing a kind of two-layer compound anesthesia leads
Pipe, for solving the problems, such as that anesthetic tube connector present in prior art and conduit degree of being connected firmly are not easy to judge.
In order to achieve the above objects and other related objects, the utility model provides a kind of two-layer compound anesthetic tube, including
Conduit and pipe joint, the conduit and pipe joint socket connection；The conduit includes internal layer and outer layer, and the internal layer is Buddhist nun
Imperial material, the outer layer are polyurethane material, the internal layer and outer layer hot melt composite joint；The conduit is led away from described
One end of pipe joint is provided with medicine outlet hole；The conduit outer wall is provided with graduation mark.
Preferably, the catheter length direction is provided with the impermeable developing line of X-ray.
Preferably, the graduation mark marks since the conduit is away from one end of the pipe joint, after 100mm every
Graduation mark overstriking described in 50mm marks.
Preferably, the one end of the conduit away from the pipe joint is provided with multi-directional ball.
Preferably, the conduit is connected with the multi-directional ball end and the multi-directional ball are the reality of polyurethane material
Core structure.
Preferably, the one end of the conduit away from the pipe joint is provided with tube head, and the tube head is from its front end to described
Pipe joint direction is gradually hardened by soft.
Preferably, the one kind of the material of the tube head in PA, PEBAX, polyurethane, thermoplastic elastomer (TPE).
Preferably, spiral support silk is provided between the internal layer and the outer layer.
Preferably, the caliber of the one end of the conduit away from the pipe joint is tapered to other parts caliber
70%。
Preferably, it is other parts pipe to ends taper at one end 6cm of the conduit away from the pipe joint
The 70% of footpath.
As described above, two-layer compound anesthetic tube of the present utility model, has the advantages that：
The two-layer compound anesthetic tube includes conduit and pipe joint, the conduit and pipe joint socket connection；It is described
Conduit includes internal layer and outer layer, and the internal layer is nylon material, and the outer layer is polyurethane material, the internal layer and the outer layer
Heat composite joint；The one end of the conduit away from the pipe joint is provided with medicine outlet hole；Between the internal layer and the outer layer
Provided with spiral support silk.The conduit internal layer hardness of nylon material is high, provides good axial direction stable stability for composite conduit, no
Flexible, discounting, flatten；Nylon material has chemical inertness, is not easy with being chemically reacted by the decoction of conduit.Polyurethane
The catheter outer hydrophily of material is strong, and meeting water becomes smooth, is easy to, by tissue, skin, reduce frictionally damage；Polyurethane
It is flexible and there is good biocompatibility, mitigate the sense of discomfort inserted the spinal epidural cavity of patient by conduit and brought；It is poly-
Urethane is easy to print, and graduation mark gos deep into not exposed inside catheter outer, and catheter outer surface is smooth.
Brief description of the drawings
Fig. 1 is shown as the structural representation of two-layer compound anesthetic tube described in the utility model；
Fig. 2 is shown as the structural representation of two-layer compound anesthetic tube described in the utility model another embodiment；
Fig. 3 is shown as the structural representation of two-layer compound anesthetic tube described in the utility model another embodiment；
Fig. 4 is shown as the structural representation of two-layer compound anesthetic tube described in the utility model another embodiment；
Fig. 5 is shown as the partial enlarged drawing of Universal-head in the embodiment of the utility model one；
In figure：1- outer layers, 2- internal layers, 3- graduation marks, 4- medicine outlet holes, the impermeable developing line of 5-X light, 6- tube heads, 7- spiral branch
Support wire, 8- multi-directional balls.
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
Fig. 1 is referred to Fig. 5.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to
Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, be not limited to the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influenceing the effect of the utility model can be generated and the purpose that can reach, all should still fall in the utility model
Disclosed technology contents are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", " left side ",
The term on " right side ", " centre " and " one " etc., understanding for narration is merely convenient to, and it is enforceable to be not used to restriction the utility model
Scope, its relativeness are altered or modified, enforceable when being also considered as the utility model in the case where changing technology contents without essence
Category.
As shown in figure 1, the utility model provides a kind of two-layer compound anesthetic tube, include the He of outer layer 1 of polyurethane material
The internal layer 2 of nylon material, the internal layer 2 and the outer layer 1 heat composite joint；The conduit away from the pipe joint one
End is provided with medicine outlet hole 4；The conduit outer wall is provided with graduation mark 3.The conduit internal layer hardness of nylon material is high, is provided for composite conduit
The stable stability in good axial direction, not flexible, discounting, is flattened；Nylon material has chemical inertness, is not easy and by conduit
Decoction chemically reacts.The catheter outer hydrophily of polyurethane material is strong, meet water become smooth, be easy to by tissue,
Skin, reduce frictionally damage；Polyurethane flexible and there is good biocompatibility, mitigate because conduit inserts the hard of patient
The sense of discomfort that spinal meninges exocoel is brought；Polyurethane is easy to print, and graduation mark gos deep into not exposed inside catheter outer, catheter outer surface light
It is sliding.
The preparation method of the two-layer compound anesthetic tube：First with a single screw extrusion machine, extruded by raw material of nylon
The conduit of internal layer；Outer conductor is extruded by the larger mould of core rod with single screw extrusion machine by raw material of polyurethane again, together
When by the nylon inner layer being molded pass through outer conductor core rod, eventually pass through shaper and be combined to inside and outside two layers of conduit
Together.
As shown in Fig. 2 in another embodiment, the catheter length direction is provided with the impermeable developing line 5 of X-ray.Graduation mark 3 is from institute
State the one end of conduit away from the pipe joint to start to mark, marked after 100mm every the overstriking of graduation mark described in 50mm 3.It is described
One end 4-10cm of the conduit away from the pipe joint（It is preferred that 6cm）40- of the place to ends taper for other parts caliber
80%, preferably it is tapered to the 70% of other parts caliber（Because the change of its caliber ratio is smaller, it is not shown in figure）.Its
He is the same as embodiment 1.Two-layer compound anesthetic tube head end is tapered described in the present embodiment, and anesthetic tube is more soft, inserts epidural space
Easily change direction, intervention damage is reduced, suitable for the special circumstances that implantation site is narrow.Rear anesthetic tube is inserted to press nerve
Urgent small, patient is more comfortable, reduces postoperative complications.
As shown in figure 3, in another embodiment, spiral support silk is provided between the internal layer and the outer layer.The conduit
One end away from the pipe joint is provided with tube head 6, and the tube head 6 gradually becomes from its front end to the pipe joint direction by soft
Firmly.The one kind of the material of tube head 6 in PA, PEBAX, polyurethane, thermoplastic elastomer (TPE).The length of the tube head 6 is not more than
1cm, it is ensured that the overall hardness of conduit, avoid the bending even generation of knotting phenomenon after inserting.Graduation mark 3 is from the conduit
One end away from the pipe joint starts to mark, and is marked after 100mm every the overstriking of graduation mark described in 50mm 3.Other are the same as implementation
Example 1.
The tube head of two-layer compound anesthetic tube described in the utility model make it that catheter head is flexible, easily inserts, it is not easy to
Injury tissue and endorchis, avoid the appearance of postoperative complication；Catheter interior is provided with spiral support silk simultaneously, and it is steady to improve its axle
The performance of qualitative and antitorque knot keeps its pliability simultaneously, may be easily placed into and takes out, and almost not in epidural space around
Circle and the risk to knot, path is smooth during use, and anaesthetic effect is good；It can prevent after inserting to the pressure of spinal epidural cavity nerve
Compel, it is safe, comfort level is good.
As shown in figure 4, in another embodiment, the one end of the conduit away from the pipe joint is provided with multi-directional ball 8, described
End and the multi-directional ball 8 that conduit is connected with the multi-directional ball 8 are the solid construction of polyurethane material（Partial enlarged drawing
See Fig. 5）, multi-directional ball 8 can bend towards any direction, when inserting agents area, can play a part of exploring the way, run into nerve,
Blood vessel i.e. drive conduit change direction detour, into spinal epidural cavity after run into endorchis change direction enter epidural space in from
And it is administered.The catheter length direction is provided with the impermeable developing line 5 of X-ray.Graduation mark 3 is from the conduit away from the pipe joint
One end starts to mark, and is marked after 100mm every the overstriking of graduation mark described in 50mm 3.Other are the same as embodiment 1.
The utility model has the advantage of：Conduit internal layer is nylon material, and it is stable to provide good axial direction for composite conduit
Stability, conduit should not bend, give a discount, flatten；It is not easy with being chemically reacted by the decoction of conduit.Catheter outer is hydrophilic
Polyurethane material, meeting water becomes smooth, is easy to by tissue, skin, reduces frictionally damage；Polyurethane flexible and
With good biocompatibility, mitigate the sense of discomfort inserted the spinal epidural cavity of patient by conduit and brought；Polyurethane is easy to print
Brush, graduation mark go deep into not exposed inside outer conductor, and catheter outer surface is smooth.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (9)
1. a kind of two-layer compound anesthetic tube, it is characterised in that including conduit and pipe joint, the conduit and pipe joint are inserted
Connect in succession；The conduit includes internal layer and outer layer, and the internal layer is nylon material, and the outer layer is polyurethane material, described interior
Layer and outer layer hot melt composite joint；The one end of the conduit away from the pipe joint is provided with medicine outlet hole；Outside the conduit
Wall is provided with graduation mark；The one end of the conduit away from the pipe joint is provided with multi-directional ball.
2. two-layer compound anesthetic tube as claimed in claim 1, it is characterised in that it is impermeable that the catheter length direction is provided with X-ray
Developing line.
3. two-layer compound anesthetic tube as claimed in claim 1, it is characterised in that the graduation mark is from the conduit away from described
One end of pipe joint starts to mark, and is marked after 100mm every graduation mark overstriking described in 50mm.
4. two-layer compound anesthetic tube as claimed in claim 1, it is characterised in that the end that the conduit is connected with the multi-directional ball
Portion and the multi-directional ball are the solid construction of polyurethane material.
5. the two-layer compound anesthetic tube as described in claim any one of 1-3, it is characterised in that the conduit is away from the conduit
One end of joint is provided with tube head, and the tube head is gradually hardened from its front end to the pipe joint direction by soft.
6. two-layer compound anesthetic tube as claimed in claim 5, it is characterised in that the material of the tube head be selected from PA, PEBAX,
One kind in polyurethane, thermoplastic elastomer (TPE).
7. two-layer compound anesthetic tube as claimed in claim 1, it is characterised in that spiral shell is provided between the internal layer and the outer layer
Circumflex branch support wire.
8. the two-layer compound anesthetic tube as described in claim any one of 1-3, it is characterised in that the conduit is away from the conduit
The caliber of one end of joint is tapered to the 70% of other parts caliber.
9. two-layer compound anesthetic tube as claimed in claim 8, it is characterised in that the conduit away from the pipe joint one
Hold at 6cm to 70% that ends taper is other parts caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005630.7U CN206910579U (en) | 2017-01-04 | 2017-01-04 | Two-layer compound anesthetic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005630.7U CN206910579U (en) | 2017-01-04 | 2017-01-04 | Two-layer compound anesthetic tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206910579U true CN206910579U (en) | 2018-01-23 |
Family
ID=61310187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005630.7U Active CN206910579U (en) | 2017-01-04 | 2017-01-04 | Two-layer compound anesthetic tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206910579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106620997A (en) * | 2017-01-04 | 2017-05-10 | 临沂市兴华医用器材有限公司 | Double-layer combined anesthesia catheter |
-
2017
- 2017-01-04 CN CN201720005630.7U patent/CN206910579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106620997A (en) * | 2017-01-04 | 2017-05-10 | 临沂市兴华医用器材有限公司 | Double-layer combined anesthesia catheter |
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