CN106620997A - Double-layer combined anesthesia catheter - Google Patents
Double-layer combined anesthesia catheter Download PDFInfo
- Publication number
- CN106620997A CN106620997A CN201710004013.XA CN201710004013A CN106620997A CN 106620997 A CN106620997 A CN 106620997A CN 201710004013 A CN201710004013 A CN 201710004013A CN 106620997 A CN106620997 A CN 106620997A
- Authority
- CN
- China
- Prior art keywords
- conduit
- catheter
- layer
- outer layer
- anesthetic tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 206010002091 Anaesthesia Diseases 0.000 title abstract description 5
- 230000037005 anaesthesia Effects 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004814 polyurethane Substances 0.000 claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 23
- 239000004677 Nylon Substances 0.000 claims abstract description 16
- 229920001778 nylon Polymers 0.000 claims abstract description 16
- 239000003814 drug Substances 0.000 claims abstract description 7
- 230000003444 anaesthetic effect Effects 0.000 claims description 31
- 150000001875 compounds Chemical class 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 7
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 6
- 229920002614 Polyether block amide Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000007639 printing Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000010148 water-pollination Effects 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 241001448725 Endorchis Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000005036 nerve Anatomy 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000035965 Postoperative Complications Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000036592 analgesia Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/04—Macromolecular materials
- A61L29/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M19/00—Local anaesthesia; Hypothermia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0063—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0468—Liquids non-physiological
- A61M2202/048—Anaesthetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
Abstract
The invention provides a double-layer combined anesthesia catheter. The double-layer combined anesthesia catheter comprises a catheter and a catheter connector, wherein the catheter is connected with the catheter connector in an inserting manner; the catheter comprises an inner layer and an outer layer; the inner layer is made of a nylon material and the outer layer is made of a polyurethane material; the inner layer and the outer layer are connected by thermal-melting compounding; a medicine outlet hole is formed in one end, far away from the catheter connector, of the catheter; and a spiral supporting wire is arranged between the inner layer and the outer layer. The inner layer of the catheter, which is made of the nylon material, has high rigidity and good axial stability is provided for the combined catheter; the combined catheter is not easy to bend, fold and flatten; and the nylon material has chemical inertness and is not easily subjected to a chemical reaction with medicine liquid passing through the catheter. The outer layer of the catheter, which is made of the polyurethane material, has high hydrophily and becomes smooth when meeting water, and easily passes through human tissues and skins, so that the friction damages are reduced; polyurethane has good flexibility and good biocompatibility, so that discomfort caused by the fact that the catheter is placed into a spinal dural outer cavity of a patient is alleviated; and the polyurethane is convenient for printing and scale lines can be deeply marked into the outer layer of the catheter.
Description
Technical field
The invention 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, with simple to operate, with low cost, art
Be easily managed, it is postoperative the advantages of be 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 to 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 sufficient this contradiction, it is most on market that anesthesia is produced using the neither too hard, nor too soft nylon elastomer of method selection compromised
Conduit, nylon elastomer is difficult to print, and its graduation mark is attached to conduit outer wall, affects the smoothness of conduit.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of two-layer compound anesthetic tube,
For solving the problems, such as that anesthetic tube connector present in prior art and conduit degree of being connected firmly are difficult to judge.
For achieving the above object and other related purposes, the present invention 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 nylon material
Matter, the outer layer is polyurethane material, the internal layer and outer layer hot melt composite joint；The conduit connects away from the conduit
One end of head 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 from the conduit away from one end of the pipe joint start mark, after 100mm every
Range mark line overstriking mark described in 50mm.
Preferably, the conduit is provided with multi-directional ball away from one end of the pipe joint.
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 conduit is provided with tube head away from one end of the pipe joint, 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 conduit is tapered to other parts caliber away from the caliber of one end of the pipe joint
70%。
Preferably, the conduit away from one end 6cm of the pipe joint to ends taper be other parts pipe
The 70% of footpath.
As described above, the two-layer compound anesthetic tube of the present invention, has the advantages that：
The two-layer compound anesthetic tube includes conduit and pipe joint, the conduit and pipe joint socket connection；The conduit
Including internal layer and outer layer, the internal layer is nylon material, and the outer layer is polyurethane material, and the internal layer and the outer layer are heated
Composite joint；The conduit is provided with medicine outlet hole away from one end of the pipe joint；It is provided between the internal layer and the outer layer
Spiral support silk.The conduit internal layer hardness of nylon material is high, provides good axial direction stable stability for composite conduit, not pliable
Bent, discounting, flattening；Nylon material has chemical inertness, is difficult that chemical reaction occurs with the liquid by conduit.Polyurethane material
Catheter outer hydrophily it is strong, meeting water becomes smooth, it is easy to by tissue, skin, reduces frictionally damage；Polyurethane it is soft
Property it is good and with good biocompatibility, mitigate the sense of discomfort brought because of the spinal epidural cavity that conduit inserts patient；Polyurethane
It is easy to printing, graduation mark to go deep into not exposed inside catheter outer, catheter outer surface is smooth.
Description of the drawings
Fig. 1 is shown as the structural representation of two-layer compound anesthetic tube of the present invention.
Fig. 2 is shown as the structural representation of two-layer compound anesthetic tube described in yet another embodiment of the invention.
Fig. 3 is shown as the structural representation of two-layer compound anesthetic tube described in yet another embodiment of the invention.
Fig. 4 is shown as the structural representation of two-layer compound anesthetic tube described in yet another embodiment of the invention.
Fig. 5 is shown as the partial enlarged drawing of Universal-head in one embodiment of the invention.
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- spirals
Support wire, 8- multi-directional balls.
Specific embodiment
Hereinafter embodiments of the present invention are illustrated by particular specific embodiment, those skilled in the art can be by this explanation
Content disclosed by book understands easily other advantages and effect of the present invention.
Refer to Fig. 1 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, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where effect that can be generated of the invention and the purpose to be reached is not affected, all should still fall in disclosed skill
In the range of art content is obtained and can covered.Meanwhile, in this specification it is cited as " on ", D score, "left", "right", " centre " and
The term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness
It is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
As shown in figure 1, the present invention provides a kind of two-layer compound anesthetic tube, including the outer layer 1 and nylon of polyurethane material
The internal layer 2 of material, the internal layer 2 and the hot melt composite joint of the outer layer 1；The conduit sets away from one end of the pipe joint
There is medicine outlet hole 4；The conduit outer wall is provided with graduation mark 3.The conduit internal layer hardness of nylon material is high, provides well for composite conduit
The stable stability in axial direction, it is not flexible, give a discount, flatten；Nylon material has chemical inertness, be difficult with by the liquid of conduit
Generation chemical reaction.The catheter outer hydrophily of polyurethane material is strong, and meeting water becomes smooth, it is easy to by tissue, skin,
Reduce frictionally damage；Polyurethane flexible and with good biocompatibility, mitigates because conduit inserts the endorchis of patient
The sense of discomfort that exocoel brings；Polyurethane is easy to printing, graduation mark to go deep into not exposed inside catheter outer, and catheter outer surface is smooth.
The preparation method of the two-layer compound anesthetic tube：First with a single screw extrusion machine, extrude by raw material of nylon
The conduit of internal layer；Again outer conductor is extruded by the larger mould of core rod by raw material of polyurethane with single screw extrusion machine, together
When by the nylon inner layer being molded through outer conductor core rod, eventually pass through shaper and be compound in inside and outside two-layer 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 conduit and start mark away from one end of the pipe joint, mark every the overstriking of graduation mark described in 50mm 3 after 100mm.It is described
One end 4-10cm of the conduit away from the pipe joint（It is preferred that 6cm）Place to ends taper for other parts caliber 40-
80%, preferably it is tapered to the 70% of other parts caliber（Because its caliber ratio change is less, it is not shown in figure）.Its
He is with 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, reduce intervention and damage, it is adaptable to the narrow special circumstances of implantation site.Rear anesthetic tube is inserted to nerve pressure
Urgent little, 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
Tube head 6 is provided with away from one end of the pipe joint, the tube head 6 is gradually become to the pipe joint direction from its front end 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, it is to avoid the bending even generation of knotting phenomenon after inserting.Graduation mark 3 is from the conduit
Start mark away from one end of the pipe joint, mark every the overstriking of graduation mark described in 50mm 3 after 100mm.Other are with enforcement
Example 1.The tube head of two-layer compound anesthetic tube of the present invention causes that catheter head is flexible, easily inserts, it is not easy to injury tissue
And endorchis, it is to avoid the appearance of postoperative complication；Simultaneously catheter interior is provided with spiral support silk, improves its axle stability and resists
The performance of kink keeps its pliability simultaneously, it is easy to inserts and takes out, and almost without in epidural space interior circuit and knotting
Risk, path is smooth during use, and anaesthetic effect is good；To the compressing of spinal epidural cavity nerve after preventing from inserting, safety
Property high, comfort level it is good.
As shown in figure 4, in another embodiment, the conduit is provided with multi-directional ball 8 away from one end of the pipe joint, 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, during insertion agents area, can play a part of to explore the way, run into nerve,
Blood vessel drive conduit change direction detour, run into after spinal epidural cavity endorchis change direction enter epidural space in from
And be 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 mark, marks every the overstriking of graduation mark described in 50mm 3 after 100mm.Other are with embodiment 1.
It is an advantage of the current invention that：Conduit internal layer is nylon material, provides good axial direction for composite conduit stable
Property, conduit should not bend, gives a discount, flatten；It is difficult that chemical reaction occurs with the liquid by conduit.Catheter outer is hydrophilic gathering
Urethane material, meeting water becomes smooth, it is easy to by tissue, skin, reduces frictionally damage；Polyurethane flexible and have
Good biocompatibility, mitigates the sense of discomfort brought because of the spinal epidural cavity that conduit inserts patient；Polyurethane is easy to printing, carves
Degree line gos deep into not exposed inside outer conductor, and catheter outer surface is smooth.
The principle and its effect of above-described embodiment only illustrative present invention, it is of the invention not for limiting.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and the scope without prejudice to the present invention to above-described embodiment.Cause
This, such as those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of two-layer compound anesthetic tube, it is characterised in that insert including conduit and pipe joint, the conduit and pipe joint
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 the outer layer heat composite joint；The conduit is provided with medicine outlet hole away from one end of the pipe joint；Outside the conduit
Wall is provided with graduation mark.
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 mark, marks every range mark line overstriking described in 50mm after 100mm.
4. the two-layer compound anesthetic tube as described in any one of claim 1-3, it is characterised in that the conduit is away from the conduit
One end of joint is provided with multi-directional ball.
5. two-layer compound anesthetic tube as claimed in claim 4, 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.
6. the two-layer compound anesthetic tube as described in any one of claim 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 to the pipe joint direction from its front end by soft.
7. two-layer compound anesthetic tube as claimed in claim 6, it is characterised in that the material of the tube head selected from PA, PEBAX,
One kind in polyurethane, thermoplastic elastomer (TPE).
8. two-layer compound anesthetic tube as claimed in claim 1, it is characterised in that be provided with spiral shell between the internal layer and the outer layer
Circumflex branch support wire.
9. the two-layer compound anesthetic tube as described in any one of claim 1-3, it is characterised in that the conduit is away from the conduit
The caliber of one end of joint be tapered to other parts caliber 70% (70% is conventional ratio, can be set to other any ratios
Example）.
10. two-layer compound anesthetic tube as claimed in claim 9, it is characterised in that the conduit is away from the pipe joint
To 70% that ends taper is other parts caliber, (70% is conventional ratio, can be set to other any ratios at the 6cm of one end
Example）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004013.XA CN106620997A (en) | 2017-01-04 | 2017-01-04 | Double-layer combined anesthesia catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004013.XA CN106620997A (en) | 2017-01-04 | 2017-01-04 | Double-layer combined anesthesia catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106620997A true CN106620997A (en) | 2017-05-10 |
Family
ID=58844129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004013.XA Pending CN106620997A (en) | 2017-01-04 | 2017-01-04 | Double-layer combined anesthesia catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106620997A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744236A (en) * | 2018-07-02 | 2018-11-06 | 临沂市兴华医用器材有限公司 | A kind of composite reinforced segmental epidural catheter and preparation method thereof |
| CN109364352A (en) * | 2018-10-11 | 2019-02-22 | 宋绍团 | A kind of anesthetic tube |
| CN112109303A (en) * | 2020-09-03 | 2020-12-22 | 昆山乐朗精密模塑有限公司 | Medical anesthesia catheter area X-ray developing line co-extrusion composite extrusion die |
| CN113683880A (en) * | 2021-10-09 | 2021-11-23 | 厦门石破惊天材料科技有限公司 | Self-lubricating antibacterial hydrophilic TPU (thermoplastic polyurethane), preparation method and application thereof |
| CN115887864A (en) * | 2022-11-24 | 2023-04-04 | 适介医疗科技(广州)有限公司 | Spring guide pipe and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004033354A (en) * | 2002-07-01 | 2004-02-05 | Terumo Corp | Catheter and method for manufacturing the same |
| US20110270228A1 (en) * | 2010-04-29 | 2011-11-03 | Abbott Cardiovascular Systems Inc. | Apparatus and method of making a variable stiffness multilayer catheter tubing |
| CN102743196A (en) * | 2012-05-08 | 2012-10-24 | 杭州启明医疗器械有限公司 | Composite tube and interventional apparatus conveying system with same |
| CN104288892A (en) * | 2014-10-13 | 2015-01-21 | 南通伊诺精密塑胶导管有限公司 | High-flow anti-bending guide catheter structure |
| CN104740748A (en) * | 2013-12-31 | 2015-07-01 | 微创神通医疗科技（上海）有限公司 | Guiding catheter |
| CN106110471A (en) * | 2016-07-26 | 2016-11-16 | 广东百合医疗科技股份有限公司 | A kind of pressure antibacterial central venous catheter |
| CN206910579U (en) * | 2017-01-04 | 2018-01-23 | 临沂市兴华医用器材有限公司 | Two-layer compound anesthetic tube |
-
2017
- 2017-01-04 CN CN201710004013.XA patent/CN106620997A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004033354A (en) * | 2002-07-01 | 2004-02-05 | Terumo Corp | Catheter and method for manufacturing the same |
| US20110270228A1 (en) * | 2010-04-29 | 2011-11-03 | Abbott Cardiovascular Systems Inc. | Apparatus and method of making a variable stiffness multilayer catheter tubing |
| CN102743196A (en) * | 2012-05-08 | 2012-10-24 | 杭州启明医疗器械有限公司 | Composite tube and interventional apparatus conveying system with same |
| CN104740748A (en) * | 2013-12-31 | 2015-07-01 | 微创神通医疗科技（上海）有限公司 | Guiding catheter |
| CN104288892A (en) * | 2014-10-13 | 2015-01-21 | 南通伊诺精密塑胶导管有限公司 | High-flow anti-bending guide catheter structure |
| CN106110471A (en) * | 2016-07-26 | 2016-11-16 | 广东百合医疗科技股份有限公司 | A kind of pressure antibacterial central venous catheter |
| CN206910579U (en) * | 2017-01-04 | 2018-01-23 | 临沂市兴华医用器材有限公司 | Two-layer compound anesthetic tube |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744236A (en) * | 2018-07-02 | 2018-11-06 | 临沂市兴华医用器材有限公司 | A kind of composite reinforced segmental epidural catheter and preparation method thereof |
| CN109364352A (en) * | 2018-10-11 | 2019-02-22 | 宋绍团 | A kind of anesthetic tube |
| CN112109303A (en) * | 2020-09-03 | 2020-12-22 | 昆山乐朗精密模塑有限公司 | Medical anesthesia catheter area X-ray developing line co-extrusion composite extrusion die |
| CN113683880A (en) * | 2021-10-09 | 2021-11-23 | 厦门石破惊天材料科技有限公司 | Self-lubricating antibacterial hydrophilic TPU (thermoplastic polyurethane), preparation method and application thereof |
| CN115887864A (en) * | 2022-11-24 | 2023-04-04 | 适介医疗科技(广州)有限公司 | Spring guide pipe and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106620997A (en) | Double-layer combined anesthesia catheter | |
| JP3329464B2 (en) | Balloon catheter with variable stiffness | |
| US6648874B2 (en) | Guide catheter with lubricious inner liner | |
| US20190344050A1 (en) | Catheter and Method of Manufacture | |
| CN101933821B (en) | Mciro-catheter | |
| JP5075314B2 (en) | Multi-lumen bile duct catheter with oblique guide wire exit | |
| US20180214671A1 (en) | System and method for dilating an airway stenosis | |
| CA1296592C (en) | Flexible composite intubation tube | |
| CN102688550B (en) | conduit | |
| US20050182386A1 (en) | Catheter with stiffening element | |
| US20200246569A1 (en) | Intubating airway device | |
| JP2002360702A (en) | Catheter and method for manufacturing the same | |
| JP2005312894A (en) | Stent with flexible element | |
| WO2009036437A2 (en) | Adjustable catheter for dilation in the ear, nose or throat | |
| JP2009537244A (en) | Steerable catheter using a flat pull wire and method of making the same | |
| PT100760A (en) | CATERING OF VARIABLE RIGIDITY | |
| US20160317768A1 (en) | Flexible airway device | |
| TW201521801A (en) | Airway tube | |
| CN107847312A (en) | Support and its application method | |
| CN106730243A (en) | A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof | |
| CN106730258A (en) | Catheter and spring part easy to plug | |
| CN206910579U (en) | Two-layer compound anesthetic tube | |
| CN204932313U (en) | Conduit tube component | |
| CN105168005A (en) | Catheter | |
| JP2022549609A (en) | Strain relief component and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |