CN112057725A - Medical elastomer hose and preparation method thereof - Google Patents
Medical elastomer hose and preparation method thereof Download PDFInfo
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- CN112057725A CN112057725A CN202011043325.XA CN202011043325A CN112057725A CN 112057725 A CN112057725 A CN 112057725A CN 202011043325 A CN202011043325 A CN 202011043325A CN 112057725 A CN112057725 A CN 112057725A
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- Prior art keywords
- hose
- pipe
- star
- medical elastomer
- shaping
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- 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.)
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 28
- 239000000806 elastomer Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 34
- -1 polypropylene Polymers 0.000 claims abstract description 12
- 239000013013 elastic material Substances 0.000 claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010058 rubber compounding Methods 0.000 claims 1
- 239000007779 soft material Substances 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 claims 1
- 208000014674 injury Diseases 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 14
- 239000005060 rubber Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 229920005556 chlorobutyl Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010074180 Craniofacial deformity Diseases 0.000 description 1
- 206010061307 Neck deformity Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001738 temporomandibular joint Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/18—Pleated or corrugated hoses
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Materials For Medical Uses (AREA)
Abstract
A medical elastomer hose and a preparation method thereof comprise a star-shaped supporting core, wherein a supporting reinforced pipe is arranged on the outer side of the star-shaped supporting core, a spiral reinforcing rib is arranged on the outer side of the supporting reinforced pipe, heat resisting pipes are also arranged in three cavities formed between the star-shaped supporting core and the supporting reinforced pipe, and a protection pipe is also arranged on the outer side of the supporting reinforced pipe; the heat resisting pipe comprises a polypropylene layer and a chlorinated polyethylene layer; the protective tube is made of soft elastic material; the invention has novel conception, three gas through pipes are arranged in the hose and are fixed and positioned by the planet support core, the integral strength and the applicability of the interior of the hose are improved, and the external protection pipe is supported by soft elastic materials, so that the injury to patients caused by accidents when the catheter is used can be reduced.
Description
Technical Field
The invention relates to the technical field of rubber hoses, in particular to a medical elastomer hose and a preparation method thereof.
Background
At present, the hose widely used in the operation is made of materials which are nontoxic and nonirritating to the larynx and the hose, can be cleaned by chemical disinfectants without deterioration, have good elasticity and certain strength, and are not easy to bend or flatten, so the materials for making the hose are polyethylene or polyvinyl chloride, but the hose of the materials has poor plasticity, and the shape of the hose is difficult to adjust when in use; although the arc-shaped hose is not difficult to be inserted in most cases, it is necessary to improve the strength and applicability of the hose because the anatomical individual is not absolutely consistent, such as short neck, short jaw, downward movement of lower bone, neck not bending backward, etc., and because of some pathological factors, such as face affected by trauma, head or neck, upper airway infection, obstruction abnormality, dysfunction of temporomandibular joint, craniofacial deformity caused by burn, etc., the hose cannot easily reach the part when being inserted even if the tubular core is used in combination, and in actual medical use, different medical treatment methods or rehabilitation methods sometimes use a mixture of gases, such as oxygen, nitrous oxide or carbon dioxide, etc.
By combining the above conditions, the existing medical hose has poor plasticity, and the shape of the hose is difficult to adjust when in use; the hose has poor stiffness and low strength, and the cannula is difficult to reach a specified part in use under special conditions; the hose has only one gas through pipe and is only suitable for conveying single gas. There is therefore a need for a medical elastomer hose and a method of making the same to address this problem. The invention aims to overcome the defects of the prior art and enable the hose to have stronger applicability.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a medical elastomer hose and a preparation method thereof, which effectively solve the above problems.
The technical scheme for solving the problem is that the novel support structure comprises a star-shaped support core, wherein a support reinforcing pipe is arranged on the outer side of the star-shaped support core, a spiral reinforcing rib is arranged on the outer side of the support reinforcing pipe, three cavities are formed between the star-shaped support core and the support reinforcing pipe, a heat resisting pipe is further arranged in each cavity, and a protection pipe is further arranged on the outer side of the support reinforcing pipe.
The heat resisting pipe comprises a polypropylene layer and a chlorinated polyethylene layer.
The protection tube is made of soft elastic materials.
The invention has the beneficial effects that: the invention has novel conception, three gas through pipes are arranged in the hose and are fixed and positioned by the planet support core, the integral strength and the applicability of the interior of the hose are improved, and the external protection pipe is supported by soft elastic materials, so that the injury to patients caused by accidents when the catheter is used can be reduced.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic structural view of the support reinforcing pipe 2 of the present invention.
Wherein, 1 is star support core, 2 is for supporting the reinforced pipe, 3 is the strengthening rib, 4 is intraductal cavity, 5 is the heat resisting pipe, 6 is the protection tube.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example 1:
as shown in figures 1 to 2, a medical elastomer hose comprises a star-shaped support core 1, a support reinforcing pipe 2 is arranged on the outer side of the star-shaped support core 1, a spiral reinforcing rib 3 is arranged on the outer side of the support reinforcing pipe 2, the reinforcing rib 3 provides high support strength for a star-shaped support core 11, so that the hose is not easily deformed by external force when in use, the flow of gas in the hose is influenced, the hose can be conveniently controlled to reach a corresponding position when the hose is used for intubation, and meanwhile, the reinforcing rib 3 is complementary to the star-shaped support core 1 in use, so that the hose has stronger plasticity, better stiffness and higher strength, the shape of the hose can be conveniently adjusted according to specific conditions when in use, the intubation difficulty under special conditions is reduced, three cavities 4 are formed between the star-shaped support core 1 and the support reinforcing pipe 2, and synchronous conveying of three different gases can be realized, the medical treatment or rehabilitation device meets the mixed use requirements of various gases of different medical treatment or rehabilitation methods, the heat resisting pipe 5 is further arranged in the cavity 4, so that the hose has a good heat insulation effect, the hose can carry the gas with controllable heat to be sent into a corresponding position, the protection pipe 6 is further arranged on the outer side of the supporting reinforcing pipe 2, and the injury to patients due to accidents caused by the fact that the hose is supported by soft elastic materials can be reduced when the catheter is used.
The heat resistance pipe 5 comprises a polypropylene layer and a chlorinated polyethylene layer, and the chlorinated polyethylene layer and the polypropylene flame-retardant layer have good heat insulation effect, so that gas in the heat resistance pipe 5 can carry controllable heat gas to be sent into corresponding positions.
The star-shaped supporting core 1 is made of a soft elastic material, specifically, an elastic plastic such as one of polypropylene, polyvinyl chloride, polyethylene and polytetrafluoroethylene, or a rubber such as one of natural rubber, ethylene propylene rubber, butyl rubber, chlorinated butyl rubber, isoprene rubber and silicone rubber.
The protection tube 6 is made of soft elastic material, specifically elastic plastic, such as one of polypropylene, polyvinyl chloride, polyethylene and polytetrafluoroethylene, or rubber, such as one of natural rubber, ethylene propylene rubber, butyl rubber, chlorinated butyl rubber, isoprene rubber and silicone rubber.
The reinforcing ribs are made of materials with certain strength and plasticity, such as iron wires, copper wires or steel wires.
A preparation method of a medical elastomer hose comprises the following steps:
1. extruding a star-shaped support core 1 by using a compound extruder, and supporting a reinforcing pipe 2;
2. cooling and shaping the composite hose prepared in the step 1;
3. coating a heat resisting pipe 5 in the support reinforcing pipe 2 and cooling and shaping;
4. a spiral reinforcing rib 3 is wound outside the composite hose;
5. extruding a protective pipe 6 outside the hose in the step 2 by using a plastic extruder;
6. and (5) cooling and shaping the hose prepared in the step (5) to obtain the product.
The compound extruder is a plastic compound extruder or a rubber compound extruder.
The method for coating the heat resisting pipe 5 in the step 3 is replaced by extruding the heat resisting pipe together with the star-shaped support core 1 and the support reinforcing pipe 2 by adopting a plastic composite extruder, so that one cooling step in the step 2 and the step 3 can be reduced, and the manufacturing efficiency is improved.
And (2) cooling and shaping in the composite hose in the step 2 can be replaced by vulcanizing and shaping by a microwave method or a hot air method according to different shaping modes in the composite hose and different materials.
The step 4, the step 5 and the step 6 are promoted to the step 2, so that the primary cooling step in the step 2 and the step 6 can be reduced, and the manufacturing efficiency is improved.
Example 2:
a preparation method of a medical elastomer hose comprises the following steps:
1. extruding a star-shaped supporting core 1, a supporting reinforcing pipe 2 and a heat resisting pipe 5 by using a plastic composite extruder;
2. cooling and shaping the composite hose prepared in the step 1;
3. winding a spiral reinforcing rib 3 on the outer part of the composite hose prepared in the step 2;
4. extruding a protective pipe 6 outside the hose in the step 3 by using a plastic extruder;
5. and (4) cooling and shaping the hose prepared in the step (4) to obtain the product.
Example 3:
a preparation method of a medical elastomer hose comprises the following steps:
1. extruding a star-shaped supporting core 1 and a supporting reinforcing pipe 2 by using a rubber compound extruder;
2. winding a spiral reinforcing rib 3 on the outer part of the composite hose prepared in the step 1;
3. extruding a protection pipe 6 outside the hose in the step 2 by using a rubber extruder;
4. vulcanizing and shaping the pipe blank prepared in the step 3 by using a microwave method or a hot air method;
5. and (4) coating a heat resisting pipe 5 in the hose prepared in the step (4) and cooling to obtain the product.
Example 4:
a preparation method of a medical elastomer hose comprises the following steps:
1. extruding a star-shaped supporting core 1 and a supporting reinforcing pipe 2 by using a rubber compound extruder;
2. vulcanizing and shaping the pipe blank prepared in the step 1 by using a microwave method or a hot air method;
3. coating a heat resisting pipe 5 in the hose prepared in the step 2, cooling and shaping;
4. winding a spiral reinforcing rib 3 on the outer part of the composite hose prepared in the step 3;
5. extruding a protective pipe 6 outside the hose in the step 4 by using a plastic extruder;
6. cooling and shaping the hose prepared in the step 5 to obtain the product;
the invention has novel conception, the three gas through pipes in the hose are fixed and positioned through the planet support core, the reinforcing ribs are added in the pipe body, the plasticity, stiffness and strength of the pipe body are improved, the shape can be adjusted according to the situation when the hose is used, and the hose can more easily enter a designated position when a pipe is inserted; the three gas through pipes with the heat insulation layers can realize the conveying of various controllable heat gases, so that the applicability of the hose is improved; the external protection tube is supported by soft elastic materials, so that the injury to a patient caused by accidents generated when the catheter is used can be reduced; the shape can be adjusted according to the use condition, the pipe inserting device has higher strength and stiffness, the specified part can be easily reached during pipe inserting, and meanwhile, the synchronous gas conveying of three controllable heat quantities can be realized.
The foregoing detailed description/examples, which are specific embodiments of the present invention and are intended to be illustrative of the concepts of the present invention, are illustrative and exemplary and are not to be construed as limiting the embodiments of the present invention and the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a medical elastomer hose, its characterized in that, includes star support core (1), and star support core (1) outside is equipped with supports reinforcing pipe (2), and the outside of supporting reinforcing pipe (2) is equipped with spiral helicine strengthening rib (3), and star support core (1) and support form three cavity (4) between reinforcing pipe (2), still are equipped with in cavity (4) and hinder heat pipe (5), and the outside of supporting reinforcing pipe (2) still is equipped with protection tube (6).
2. A medical elastomer hose according to claim 1, characterized in that the star-shaped support core (1) and the support reinforcement tube (2) are of soft and elastic material.
3. A medical elastomer hose according to claim 1, characterised in that the heat resistant tube (5) comprises a polypropylene layer and a chlorinated polyethylene layer.
4. A medical elastomer hose according to claim 1, characterized in that the protective tube (6) is made of soft elastomer material.
5. A method of manufacturing a medical elastomer hose according to any of claims 1 to 4, comprising the steps of:
1) extruding a star-shaped support core (1) by using a composite extruder to support a reinforcing pipe (2);
2) cooling and shaping the composite hose prepared in the step 1;
3) coating a heat resisting pipe (5) in the support reinforcing pipe 2 and cooling and shaping;
4) winding a spiral reinforcing rib (3) on the outer part of the composite hose;
5) extruding a protective pipe (6) outside the hose of the step 2 by using a plastic extruder;
6) cooling and shaping the hose prepared in the step 5 to obtain the product.
6. The method for preparing a medical elastomer hose according to claim 5, wherein the compounding extruder is a plastic compounding extruder or a rubber compounding extruder.
7. The method for preparing a medical elastomer hose according to claim 5, wherein the method for coating the heat-resistant tube 5 in the step 3 is replaced by extruding the heat-resistant tube (5) together with the star-shaped support core 1 and the support reinforcing tube 2 by using a plastic composite extruder.
8. The method for preparing a medical elastomer hose according to claim 5, wherein the cooling and shaping in the composite hose of step 2 can be replaced by microwave or hot air vulcanization and shaping.
9. The method for manufacturing a medical elastomer hose as claimed in claim 5 or 8, wherein the step 4, the step 5 and the step 6 are lifted to be before the step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043325.XA CN112057725A (en) | 2020-09-28 | 2020-09-28 | Medical elastomer hose and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043325.XA CN112057725A (en) | 2020-09-28 | 2020-09-28 | Medical elastomer hose and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112057725A true CN112057725A (en) | 2020-12-11 |
Family
ID=73683787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011043325.XA Pending CN112057725A (en) | 2020-09-28 | 2020-09-28 | Medical elastomer hose and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112057725A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373679A (en) * | 1999-07-19 | 2002-10-09 | I-弗琉公司 | Cathether for uniform delivery of medication |
| CN203523063U (en) * | 2013-10-10 | 2014-04-02 | 马鞍山东方电热科技有限公司 | Serial-type ribbon heater with trigeminal star-shaped reinforcement rib |
| CN205664015U (en) * | 2016-06-02 | 2016-10-26 | 广州索特塑管科技有限公司 | Hose is strengthened to plastics muscle |
| CN206478313U (en) * | 2017-01-22 | 2017-09-08 | 河北汇锐管业有限公司 | A kind of antivibration wear resistant solid wall pipe and its manufacturing equipment |
| CN108421144A (en) * | 2018-04-11 | 2018-08-21 | 辛建 | A kind of multi-purpose type Y shape extrusion-resisting type drainage tube |
| US20190091064A1 (en) * | 2016-04-18 | 2019-03-28 | Acandis Gmbh | Medical catheter for hypothermic treatment |
| CN212235579U (en) * | 2020-09-28 | 2020-12-29 | 河南给力软管有限公司 | Medical elastomer hose |
-
2020
- 2020-09-28 CN CN202011043325.XA patent/CN112057725A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373679A (en) * | 1999-07-19 | 2002-10-09 | I-弗琉公司 | Cathether for uniform delivery of medication |
| CN203523063U (en) * | 2013-10-10 | 2014-04-02 | 马鞍山东方电热科技有限公司 | Serial-type ribbon heater with trigeminal star-shaped reinforcement rib |
| US20190091064A1 (en) * | 2016-04-18 | 2019-03-28 | Acandis Gmbh | Medical catheter for hypothermic treatment |
| CN205664015U (en) * | 2016-06-02 | 2016-10-26 | 广州索特塑管科技有限公司 | Hose is strengthened to plastics muscle |
| CN206478313U (en) * | 2017-01-22 | 2017-09-08 | 河北汇锐管业有限公司 | A kind of antivibration wear resistant solid wall pipe and its manufacturing equipment |
| CN108421144A (en) * | 2018-04-11 | 2018-08-21 | 辛建 | A kind of multi-purpose type Y shape extrusion-resisting type drainage tube |
| CN212235579U (en) * | 2020-09-28 | 2020-12-29 | 河南给力软管有限公司 | Medical elastomer hose |
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