CN209884095U - Novel clamping pipeline - Google Patents
Novel clamping pipeline Download PDFInfo
- Publication number
- CN209884095U CN209884095U CN201822119560.5U CN201822119560U CN209884095U CN 209884095 U CN209884095 U CN 209884095U CN 201822119560 U CN201822119560 U CN 201822119560U CN 209884095 U CN209884095 U CN 209884095U
- Authority
- CN
- China
- Prior art keywords
- layer
- thick
- transparent inner
- wall middle
- inner layer
- 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.)
- Active
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a medical equipment field provides a novel pincers way pipe, and the structure includes the three-layer at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (10-20): (3-10).
Description
Technical Field
The utility model belongs to the medical equipment field, very much relate to a novel pincers way pipe.
Background
The endoscope is a medical instrument with wide application, and can be directly inserted into a human body to observe and diagnose diseases. The tip portion, which is the first part to enter the body, at the foremost end thereof directly affects the performance of the endoscope and the comfort of the patient. The tip of the electronic endoscope includes an image sensor, an optical lens, an illumination light source, a channel tube, and the like. The channel tube is the channel for biopsy forceps and therapeutic instruments during endoscopy and treatment, and is the most vulnerable site to contamination during endoscope use. Because endoscopes are expensive and not disposable, the need for sterilization and cleaning of the endoscope is high. However, the practical sterilization operation has many difficulties, and particularly, the sterilization of the seriously contaminated elongated cannula is still not completely reliable only by careful soaking and rinsing. If the cleaning and disinfection are not complete, cross-infection between patients is easily caused, and therefore, manual cleaning is necessary.
At present, current pincers pipeline is two-layer structure, and only use the thermal contraction method to make two-layer material combine together between the two-layer structure, however, pincers pipeline is after long-time the use, this two-layer structure can become inseparable insecure, thereby can arouse the problem of gas leakage, in addition, introduce the filth easily in the two-layer combination department of pincers pipeline, but elongated pincers pipeline is difficult to wash and the disinfection is incomplete, thereby can the direct contact human body produce cross infection easily, cause very big injury to human health.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel pincers way pipe, the structure includes the three-layer at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (10-20): (3-10).
As a preferred technical scheme, the utility model discloses in novel pincers pipeline, the structure includes the three-layer at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (13-18): (5-8).
As a preferred technical scheme, the utility model discloses in novel pincers pipeline, the structure includes the three-layer at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (15-17): (6-7).
As a preferred technical scheme, in the utility model discloses in transparent inlayer, the middle level substrate of thick wall are polytetrafluoroethylene.
As a preferred technical solution, the outer surface of the transparent inner layer of the present invention is subjected to surface treatment.
As an optimized technical scheme, the utility model discloses in there is the one deck tie coat between transparent inlayer and the thick wall middle level.
As a preferred technical scheme, in the utility model discloses in the tie coat is the polyurethane tie coat.
As a preferred technical scheme, the thickness of the polyurethane bonding layer in the utility model is 0.01-0.05 mm.
As a preferred technical solution, in the present invention, the outer layer is a winding layer of teflon film.
As an optimized technical scheme, the polytetrafluoroethylene winding layer in the utility model is a polytetrafluoroethylene film single-layer rotary wrapping layer on the outer surface of the thick-wall middle layer.
As a preferable technical scheme, the polytetrafluoroethylene film winding layer of the present invention is heat-treated; the heat treatment temperature is 200-300 ℃, and the time is 0.3-1 h.
As an optimized technical scheme, in the utility model discloses in the spring pipe is installed in the one end outside of pincers way pipe.
Has the advantages that: the utility model discloses in provide a novel pincers pipeline, three layer construction has to between the layer because the utility model discloses in combine inseparabler firm after carrying out special treatment, not only can avoid bringing the problem of gas leakage that leaks owing to long-time use, thereby still can not make the gap department that the filth combines between the embedding layer and the layer cause the pollution, so can make pincers pipeline wash and disinfection treatment more thoroughly and perfect, the human risk that produces cross infection easily of direct contact such as greatly reduced filth and virus, avoid causing the injury to the health of human body. Furthermore, the pincers way pipe has special three layer construction and makes it have very excellent elasticity and bending property, feels very soft in addition to the spring pipe has been installed in the outside of pincers way pipe, has further strengthened the bending property of pincers way pipe, makes things convenient for the use of pincers way pipe and has strengthened the fastness between the layer of pincers way pipe. Furthermore, the utility model discloses can also prepare the pincers pipeline of different transparencies according to the demand.
The foregoing and other features, aspects, and advantages of the present application will become more readily apparent with reference to the following detailed description.
Drawings
FIG. 1: FIG. 1 is a schematic cross-sectional view of a clamp tube obtained in example 1;
FIG. 2: FIG. 2 is a schematic sectional view of a clamp tube obtained in example 1;
FIG. 3: FIG. 3 is a simplified schematic diagram of the results obtained in example 1.
In fig. 1, 2 and 3, 1 is a transparent inner layer, 2 is a thick-wall middle layer, 3 is an outer layer and 4 is a spring tube.
Detailed Description
For purposes of the following detailed description, it is to be understood that the invention may assume various alternative variations and step sequences, except where expressly specified to the contrary. Moreover, other than in any operating examples, or where otherwise indicated, all numbers expressing, for example, quantities of ingredients used in the specification and claims are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention. At the very least, and not as an attempt to limit the application of the doctrine of equivalents to the scope of the claims, each numerical parameter should at least be construed in light of the number of reported significant digits and by applying ordinary rounding techniques.
Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the invention are approximations, the numerical values set forth in the specific examples are reported as precisely as possible. Any numerical value, however, inherently contains certain errors necessarily resulting from the standard deviation found in their respective testing measurements.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range-describing features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to encompass any and all subranges subsumed therein. For example, a stated range from "1 to 10" should be considered to include any and all subranges between the minimum value of 1 and the maximum value of 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, and the like.
The utility model provides a novel pincers way pipe, the structure includes the three-layer at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (10-20): (3-10).
In some embodiments, the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer layer in the present invention is 1: (13-18): (5-8); preferably, the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer layer is 1: (15-17): (6-7); more preferably, the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer layer is 1: 16: 6.5.
in some embodiments, the substrate of the transparent inner layer and the thick-wall middle layer in the present invention is polytetrafluoroethylene.
In some embodiments, the polytetrafluoroethylene of the present invention has an apparent density of greater than 0.40g/cm3(ii) a The apparent density is measured by ASTM D4895.
In some embodiments, the polytetrafluoroethylene of the present invention may be selected from one or more of PTFE/F-201, PTFE/F-205, PTFE/F-208; preferably, the polytetrafluoroethylene may be selected from PTFE/F-201.
In some embodiments, the outer surface of the transparent inner layer of the present invention is surface treated.
In some embodiments, the surface treatment of the present invention is selected from one or more of corona surface treatment, plasma treatment, electrostatic spraying, laser treatment, electrolytic reduction, high temperature melting, chemical treatment; preferably, the surface treatment is selected from one or more of corona surface treatment, plasma treatment, and high-temperature melting method; more preferably, the surface treatment is selected from corona surface treatment, plasma treatment; most preferably, the surface treatment is a plasma treatment.
In some embodiments, there is a bonding layer between the transparent inner layer and the thick-walled middle layer.
In some embodiments, the bonding layer is a polyurethane bonding layer.
In some embodiments, the thickness of the polyurethane adhesive layer of the present invention is 0.01 to 0.05 mm; preferably, the thickness of the polyurethane bonding layer is 0.02-0.04 mm; more preferably, the thickness of the polyurethane adhesive layer is 0.03 mm.
The utility model discloses in polyurethane is purchased from gu an county blessing Laishburg chemical industry limited company, and the trade mark is the rocheus of tao shi, also can purchase from other sources.
In some embodiments, the outer layer of the present invention is a polytetrafluoroethylene film wound layer.
In some embodiments, the winding layer of teflon membrane is a single layer of teflon membrane that is wrapped around the outer surface of the thick wall middle layer.
The polytetrafluoroethylene membrane of the utility model can be purchased from Rifeng chemical plastic company Limited, or from other companies.
In some embodiments, the polytetrafluoroethylene film wrapping layer of the present invention is heat treated; the heat treatment temperature is 200-300 ℃, and the time is 0.3-1 h.
In some preferred embodiments, the heat treatment temperature is 220-280 ℃ and the time is 0.4-0.8 h.
In some more preferred embodiments, the heat treatment temperature is 240 to 260 ℃ and the time is 0.5 to 0.7 h.
In some most preferred embodiments, the heat treatment temperature is 250 ℃ and the time is 0.6 h.
In some embodiments, a spring tube is installed outside one end of the clamp tube.
The utility model discloses in provide a novel pincers pipeline, three layer construction has to between the layer because the utility model discloses in combine inseparabler firm after carrying out special treatment, not only can avoid bringing the problem of gas leakage that leaks owing to long-time use, thereby still can not make the gap department that the filth combines between the embedding layer and the layer cause the pollution, so can make pincers pipeline wash and disinfection treatment more thoroughly and perfect, the human risk that produces cross infection easily of direct contact such as greatly reduced filth and virus, avoid causing the injury to the health of human body. Presumably, the utility model discloses a carry out surface treatment to transparent inlayer for the polytetrafluoroethylene polymer molecular structure of transparent inlayer changes, and then after the thin polyurethane adhesive layer of coating one deck again, can make the polyurethane adhesive layer graft easily on the polymer molecule on surface, thereby can make the polyurethane adhesive layer cohesiveness more excellent, and the associativity between two-layer is better, also more firm. In addition, the outermost layer is formed by winding a polytetrafluoroethylene film in a winding mode and then sintering at high temperature, the winding polytetrafluoroethylene copolymer is subjected to high-temperature treatment, so that the polymer entanglement force caused by rearrangement of molecules in polytetrafluoroethylene is further increased, and the combination between the outer layer and the thick-wall middle layer is more compact. In addition, the applicant found that the clamp tube has a special three-layer structure which makes the clamp tube have very excellent elasticity and bending performance and very soft hand feeling, and the spring tube is arranged on the outer side of the clamp tube, so that the bending performance of the clamp tube is further enhanced. Besides, the utility model discloses can also prepare the pincers pipeline of different transparencies according to the demand.
The reaction is specifically described below by way of examples. The following examples are only for further illustration of the present invention, and the protection of the present invention is not understood to be the limitation, and the modification and adjustment of non-essential nature made by the person skilled in the art according to the contents of the above-mentioned utility model still belong to the protection scope of the present invention.
Example 1
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 16: 6.5;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.03 mm; the outer layer is formed by winding a polytetrafluoroethylene film winding layer in a single layer; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 250 ℃, and the time is 0.6 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 2
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 13: 5;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.01 mm; the outer layer is formed by winding a polytetrafluoroethylene film winding layer in a single layer; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 200 ℃, and the time is 0.3 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 3
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 15: 6;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.02 mm; the outer layer is formed by winding a polytetrafluoroethylene film winding layer in a single layer; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 240 ℃, and the time is 0.5 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 4
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 17: 7;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.04 mm; the outer layer is formed by winding a polytetrafluoroethylene film winding layer in a single layer; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 260 ℃, and the time is 0.7 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 5
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 18: 8;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.05 mm; the outer layer is formed by winding a polytetrafluoroethylene film winding layer in a single layer; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 300 ℃, and the time is 1 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 6
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer to the thick-wall middle layer is 1: 16;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.05 mm; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Example 7
The utility model provides a novel pincers pipeline, the structure includes three layers at least: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: 15: 8;
carrying out plasma treatment on the outer surface of the transparent inner layer; a bonding layer is arranged between the transparent inner layer and the thick-wall middle layer, the bonding layer is a polyurethane bonding layer, and the thickness of the polyurethane bonding layer is 0.04 mm; the outer layer is formed by winding three layers of polytetrafluoroethylene film winding layers; carrying out heat treatment on the polytetrafluoroethylene film winding layer; the heat treatment temperature is 260 ℃, and the time is 0.7 h; and a spring pipe is arranged on the outer side of one end of the clamp pipe.
Performance testing
1. And (3) testing bending strength: bending the clamp pipe obtained in the embodiment 1 to the embodiment 7 into a ring circumference with the diameter of 20cm, and testing the bending strength by using a digital display push-pull dynamometer; the bending diameter of the front end of the clamp pipe is 5cm, and a digital display push-pull dynamometer is used for testing the bending strength; the bending force test results are shown in table 1;
the standard requirements of a 20cm circle of a clamp pipe are as follows: the bending strength is controlled to be 25N;
the standard requirements of a 5cm circle of a clamp pipe are as follows: the bending force is controlled within 65N;
2. air leakage test: the pipes obtained in examples 1 to 7 were immersed in clean water, and one end was blocked and pressurized by an air pump, and the presence or absence of an air leakage point was observed under an air pressure of 5 kg for 1 minute, and the test results are shown in table 1.
TABLE 1 performance test results of clamp pipes
| Examples | Diameter 20cm (N) | Diameter 5cm (N) | Air leakage point |
| Example 1 | 24 | 60 | Is free of |
| Example 2 | 28 | 68 | Is free of |
| Example 3 | 17 | 70 | Is free of |
| Example 4 | 34 | 78 | Is free of |
| Example 5 | 36 | 87 | Is free of |
| Example 6 | 13 | 37 | Is provided with |
| Example 7 | 21 | 65 | Is free of |
The foregoing examples are illustrative only, and serve to explain some of the features of the present disclosure. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. And that advances in science and technology will result in possible equivalents or sub-substitutes not currently contemplated for reasons of inaccuracy in language representation, and such changes should also be construed where possible to be covered by the appended claims.
Claims (10)
1. A novel clamp tube is characterized in that the structure at least comprises three layers: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (10-20): (3-10).
2. The novel ductus tongherai according to claim 1, wherein the structure comprises at least three layers: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (13-18): (5-8).
3. A novel clamp tube as claimed in claim 2, wherein the structure comprises at least three layers: transparent inner layer, thick wall middle layer, outer layer; the thickness ratio of the transparent inner layer, the thick-wall middle layer and the outer side layer is 1: (15-17): (6-7).
4. The novel forceps tube as claimed in claim 3, wherein the substrate of the transparent inner layer and the thick-walled middle layer is polytetrafluoroethylene.
5. The novel clamp tube of claim 4, wherein an adhesive layer is provided between the transparent inner layer and the thick-walled middle layer.
6. The novel clamp tube of claim 5, wherein said adhesive layer is a polyurethane adhesive layer.
7. The novel clip tube of claim 6, wherein said polyurethane adhesive layer has a thickness of 0.01 to 0.05 mm.
8. The novel clamp tube of claim 3, wherein said outer layer is a polytetrafluoroethylene film wrap.
9. The novel forceps tube as claimed in claim 8, wherein the polytetrafluoroethylene film wrapping layer is a polytetrafluoroethylene film single-layer spin-coated on the outer surface of the thick-walled middle layer.
10. The novel clamping tube as claimed in any one of claims 1 to 9, wherein a spring tube is mounted on the outside of one end of the clamping tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119560.5U CN209884095U (en) | 2018-12-18 | 2018-12-18 | Novel clamping pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119560.5U CN209884095U (en) | 2018-12-18 | 2018-12-18 | Novel clamping pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209884095U true CN209884095U (en) | 2020-01-03 |
Family
ID=69015432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119560.5U Active CN209884095U (en) | 2018-12-18 | 2018-12-18 | Novel clamping pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209884095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567726A (en) * | 2018-12-18 | 2019-04-05 | 上海镜海光学科技有限公司 | A kind of novel pincers deferent |
-
2018
- 2018-12-18 CN CN201822119560.5U patent/CN209884095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567726A (en) * | 2018-12-18 | 2019-04-05 | 上海镜海光学科技有限公司 | A kind of novel pincers deferent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5453156B2 (en) | Endoscope flexible tube and manufacturing method thereof | |
| US6565505B2 (en) | Endoscope | |
| JP2010136834A (en) | Endoscope soft portion and endoscope | |
| JPH02185226A (en) | Flexible inserting-tube | |
| US20150080764A1 (en) | Disposable instrument including working channels for endoscopy | |
| CN103584827A (en) | Disposable protecting sleeve of medical endoscope and medical endoscope | |
| JP2007527298A5 (en) | ||
| CN209884095U (en) | Novel clamping pipeline | |
| JP4061011B2 (en) | Endoscope | |
| JP2010131153A (en) | Flexible portion of endoscope and endoscope | |
| JP2010075325A (en) | Endoscope soft part and endoscope | |
| CN212592024U (en) | Medical lumen device | |
| JP2011212337A (en) | Endoscopic apparatus and method for manufacturing the same | |
| JP2010110444A (en) | Flexible tube for endoscope | |
| JP2006198234A (en) | Flexible tube, mesh tube, endoscope, and method of manufacturing flexible tube | |
| JP3803255B2 (en) | Endoscope flexible tube | |
| CN109567726A (en) | A kind of novel pincers deferent | |
| CN213551993U (en) | Bending non-deforming clamp tube of medical flexible endoscope | |
| US8708893B2 (en) | Structural unit, endoscope, and adhering method | |
| JP2006334287A (en) | Flexible tube of endoscope | |
| JP3652138B2 (en) | Endoscope | |
| JPH1156762A (en) | Flexible tube for endoscope | |
| JP2011110116A (en) | Endoscope apparatus and method for manufacturing the same | |
| JP2006280497A (en) | Flexible tube of endoscope | |
| JP2008100077A (en) | Endoscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |