CN105054891A - Main flexible pipe device of upper gastrointestinal tract mirror - Google Patents
Main flexible pipe device of upper gastrointestinal tract mirror Download PDFInfo
- Publication number
- CN105054891A CN105054891A CN201510495171.0A CN201510495171A CN105054891A CN 105054891 A CN105054891 A CN 105054891A CN 201510495171 A CN201510495171 A CN 201510495171A CN 105054891 A CN105054891 A CN 105054891A
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- bourdon tube
- pars intermedia
- braiding webmaster
- main flexible
- 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.)
- Granted
Links
Abstract
A main flexible pipe device of an upper gastrointestinal tract mirror is provided with a device body. The device body is composed of woven mesh pipes and spring pipes inserted into the woven mesh pipes and comprises a front connecting portion, a middle portion and a back connecting portion, and the woven mesh pipes of the front connecting portion and back connecting portion of the device body are all connected with the spring pipes in a welded mode; the periphery of the woven mesh pipe of the middle portion of the device body is covered with a medical polyurethane layer, the periphery of the medical polyurethane layer is covered with a medical transparent polyurethane film, and the spring pipe of the middle portion comprise a front section, a middle section and a back section which are mutually integrated into a whole; the thread pitch P1 of the front section of the spring pipe of the middle portion is 1.6 mm-4 mm, the thread pitch P2 of the middle section of the spring pipe of the middle portion is 2.3 mm-5 mm, the thread pitch P3 of the back section of the spring pipe of the middle portion is 2.8 mm-6 mm, and P1<P2<P3. The main flexible pipe device is provided with at least three sections with different flexibility and is good in bending property and convenient for insertion, and lumen damage of a patient is not prone to being caused.
Description
Technical field
The present invention relates to a kind of main flexible tube device, be specifically related to a kind of main flexible tube device of upper gastrointestinal endoscopy of medicinal soft.
Background technology
For many years, doctor is in the process of Clinical practice endoscopic diagnosis and treatment, because the upper digestive tract of human body is bending, and the main flexible tube device of upper gastrointestinal endoscopy needs the duodenum that is inserted in human body.Whole pliability of main flexible tube device is in the past the same, some main flexible tube device pliabilitys are really up to the mark, the shore hardness A of the layer of polyurethane that namely main flexible tube device periphery is coated is greater than 80, some softnesses are spent soft, the shore hardness A of the layer of polyurethane that namely main flexible tube device periphery is coated is less than 35, the pliability of main flexible tube device is really up to the mark or too soft, doctor will be caused very difficult in insertion therapeutic process, make not easily to be inserted into, and also can extend the time of Diagnosis and Treat, add the misery of patient; And easily cause patient bore's local damage, and as: congested, hemorrhage, perforation etc.
Summary of the invention
The object of the invention is: provide one to have at least three sections of different pliabilitys, good bending property, and be convenient to insert, and the main flexible tube device of the upper gastrointestinal endoscopy not easily causing patient bore to damage, to overcome the deficiencies in the prior art.
In order to achieve the above object, technical scheme of the present invention is: a kind of main flexible tube device of upper gastrointestinal endoscopy, there is body, described body is made up of braiding webmaster and the bourdon tube be inserted in braiding webmaster, described body comprises front connecting portion, pars intermedia and rear connecting portion, and the braiding webmaster of the front connecting portion of body and bourdon tube are welded to connect, braiding webmaster and the bourdon tube of the rear connecting portion of body are welded to connect; The periphery of the braiding webmaster of the pars intermedia of described body is coated with medical polyurethane layer, and the periphery of described medical polyurethane layer is coated with medical transparent polyurethane film, and the maximum outside diameter Φ of the pars intermedia of described body is 6 ~ 10.5mm; Its innovative point is:
The bourdon tube of a, described pars intermedia comprises the leading portion of one each other, stage casing and back segment;
The pitch P of the leading portion of the bourdon tube of b, described pars intermedia
1for 1.6mm ~ 4mm; The pitch P in stage casing
2for 2.3mm ~ 5mm; The pitch P of back segment
3for 2.8mm ~ 6mm, and P
1< P
2< P
3;
The shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of the leading portion of the bourdon tube of c, described pars intermedia is coated
1be 35 ~ 50, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster in stage casing is coated
2be 51 ~ 60, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of back segment is coated
3be 61 ~ 80;
The external diameter Φ 1 of d, described braiding webmaster is 5 ~ 9.5mm, and the braid angle β of braiding webmaster is 30 ° ~ 60 °, and the cross point pitch H of braiding webmaster is 1 ~ 6mm;
The total length L of e, described body is 1000 ± 100mm ~ 1200 ± 100mm, and the length of front connecting portion is L
1for the length L of 4mm ~ 10mm, pars intermedia
2be the length L of 980 ± 20mm ~ 1180 ± 20mm, rear connecting portion
3for 5mm ~ 10mm.
In technique scheme, the length L of the leading portion of the bourdon tube of described pars intermedia
2-1be the length L in 340 ± 100mm, stage casing
2-2be the length L of 380 ± 100mm, back segment
2-3be 360 ± 100mm.
In technique scheme, described braiding webmaster is formed by 24 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 8 ~ 12 steel wires.
In technique scheme, the steel band wall thickness d of described bourdon tube is 0.1 ~ 0.22mm, and the width of steel band W of bourdon tube is 2.4 ~ 2.8mm.
In technique scheme, the pipe thickness of described medical polyurethane layer is 0.15 ~ 0.8mm.
In technique scheme, the pitch P of the bourdon tube 3 of described front connecting portion
0for 1.6mm ~ 4mm; The pitch P of rear connecting portion bourdon tube
4for 2.8mm ~ 6mm, and P
0≤ P
1, P
3≤ P
4.
The good effect that the present invention has is: after adopting main flexible tube device of the present invention, during use, and be fixedly connected with the bent angle device of upper gastrointestinal endoscopy front end by connecting portion before body, rear connecting portion is fixedly connected with operator shank, bourdon tube due to described pars intermedia comprises leading portion, stage casing and the back segment of one each other, the pitch P of the leading portion of the bourdon tube of described pars intermedia
1for 1.6mm ~ 4mm, the pitch P in stage casing
2for 2.3mm ~ 5mm, the pitch P of back segment
3for 2.8mm ~ 6mm, and P
1< P
2< P
3, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of the leading portion of the bourdon tube of described pars intermedia is coated
1be 35 ~ 50, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster in stage casing is coated
2be 51 ~ 60, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of back segment is coated
3be 61 ~ 80, the external diameter Φ 1 of described braiding webmaster is 5 ~ 9.5mm, and the braid angle β of braiding webmaster is 30 ° ~ 60 °, and the cross point pitch H of braiding webmaster is 1 ~ 6mm, the total length L of described body is 1000 ± 100mm ~ 1200 ± 100mm, and the length of front connecting portion is L
1for the length L of 4mm ~ 10mm, pars intermedia
2be the length L of 980 ± 20mm ~ 1180 ± 20mm, rear connecting portion
3for 5mm ~ 10mm, like this, the bourdon tube of the pars intermedia of main flexible tube device and the pliability of medical polyurethane layer are just divided into three sections, and leading portion, the pliability of stage casing and back segment is successively decreased successively, therefore, doctor is in the process being inserted into patient bore, because the pliability of the leading portion of the bourdon tube of pars intermedia and the medical polyurethane layer of correspondence is higher, the upper gastrointestinal inner chamber of human body would not be damaged to like this in the process inserted, along with deepening continuously of main flexible tube device, and be convenient to doctor's operation, reduce the stage casing of the bourdon tube of pars intermedia and the pliability of corresponding medical polyurethane layer, last main flexible tube device will be deep into duodenum, therefore, doctor needs to increase certain dynamics in operation, simultaneously, also for the ease of inserting, thus the pliability of the back segment of the bourdon tube of pars intermedia and the medical polyurethane layer of correspondence is also lower than the pliability of the stage casing of the bourdon tube of pars intermedia and the medical polyurethane layer of correspondence.In sum, the present invention has at least three sections of different pliabilitys, good bending property, and is convenient to insert, and not easily causes patient bore to damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of the present invention;
Fig. 2 is the complete section schematic diagram of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 analyses and observe enlarged diagram;
Fig. 4 is the structural representation weaving webmaster in Fig. 2;
Fig. 5 is the B-B cross-sectional schematic weaving webmaster in Fig. 4;
Fig. 6 is the structural representation of bourdon tube in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that provides, the present invention is further illustrated, but be not limited thereto.
As shown in Fig. 1,2,3,4,5,6, a kind of main flexible tube device of upper gastrointestinal endoscopy, there is body 1, described body 1 is made up of braiding webmaster 2 and the bourdon tube 3 be inserted in braiding webmaster 2, described body 1 comprises front connecting portion 1-1, pars intermedia 1-2 and rear connecting portion 1-3, and the braiding webmaster 2 of the front connecting portion 1-1 of body 1 is welded to connect by scolding tin with bourdon tube 3, braiding webmaster 2 and the bourdon tube 3 of the rear connecting portion 1-3 of body 1 are welded to connect by scolding tin; The periphery of the braiding webmaster 2 of the pars intermedia 1-2 of described body 1 is coated with medical polyurethane layer 4, and the periphery of described medical polyurethane layer 4 is coated with medical transparent polyurethane film 5, and the maximum outside diameter Φ of the pars intermedia 1-2 of described body 1 is 6 ~ 10.5mm;
The bourdon tube 3 of described pars intermedia 1-2 comprises leading portion 3-1, stage casing 3-2 and the back segment 3-3 of one each other;
The pitch P of the leading portion 3-1 of the bourdon tube 3 of described pars intermedia 1-2
1for 1.6mm ~ 4mm; The pitch P of stage casing 3-2
2for 2.3mm ~ 5mm; The pitch P of back segment 3-3
3for 2.8mm ~ 6mm, and P
1< P
2< P
3;
The shore hardness A of the medical polyurethane layer 4 that the periphery of the braiding webmaster 2 of the leading portion 3-1 of the bourdon tube 3 of described pars intermedia 1-2 is coated
1be 35 ~ 50, the shore hardness A of the medical polyurethane layer 4 that the periphery of the braiding webmaster 2 of stage casing 3-2 is coated
2be 51 ~ 60, the shore hardness A of the medical polyurethane layer 4 that the periphery of the braiding webmaster 2 of back segment 3-3 is coated
3be 61 ~ 80;
The external diameter Φ 1 of described braiding webmaster 2 is 5 ~ 9.5mm, and the braid angle β of braiding webmaster 2 is 30 ° ~ 60 °, and the cross point pitch H of braiding webmaster 2 is 1 ~ 6mm; Wherein, the cross point pitch H of braiding webmaster 2 of the present invention, is also referred to as lay of braiding H;
The total length L of described body 1 is 1000 ± 100mm ~ 1200 ± 100mm, and the length of front connecting portion 1-1 is L
1for the length L of 4mm ~ 10mm, pars intermedia 1-2
2be the length L of 980 ± 20mm ~ 1180 ± 20mm, rear connecting portion 1-3
3for 5mm ~ 10mm.
Bourdon tube 3 of the present invention is spiral bourdon tubes.
As shown in Figure 2,6, in order to make structure of the present invention more reasonable, the length L of the leading portion 3-1 of the bourdon tube 3 of described pars intermedia 1-2
2-1be the length L of 340 ± 100mm, stage casing 3-2
2-2be the length L of 380 ± 100mm, back segment 3-3
2-3be 360 ± 100mm.
Braiding webmaster 2 of the present invention is formed by 24 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 8 ~ 12 steel wires.
As shown in Figure 6, the steel band wall thickness d of described bourdon tube 3 is 0.1 ~ 0.22mm, and the width of steel band W of bourdon tube 3 is 2.4 ~ 2.8mm.
The pipe thickness of medical polyurethane layer 4 of the present invention is 0.15 ~ 0.8mm.
As shown in Figure 2,6, the pitch P of the bourdon tube 3 of described front connecting portion 1-1
0for 1.6mm ~ 4mm; The pitch P of the bourdon tube 3 of rear connecting portion 1-3
4for 2.8mm ~ 6mm, and P
0≤ P
1, P
3≤ P
4.Wherein, the pitch P of the bourdon tube 3 of described front connecting portion 1-1
0with the pitch P of the leading portion 3-1 of the bourdon tube 3 of pars intermedia 1-2
1equal, the pitch P of rear connecting portion 1-3
4with the pitch P of the back segment 3-3 of the bourdon tube 3 of pars intermedia 1-2
3equal.
The braiding webmaster 2 of the front connecting portion 1-1 of described body 1 and bourdon tube 3 also can be welded to connect by other the method for welding such as silver soldering, and the braiding webmaster 2 of the rear connecting portion 1-3 of body 1 and bourdon tube 3 also can be welded to connect by other the method for welding such as silver soldering.
As shown in Figure 1, know that main flexible tube device is inserted into the particular location of patient bore for the ease of doctor, the outer surface of the medical polyurethane layer 4 of pars intermedia 1-2 of the present invention is provided with length mark 1-4.
The main flexible tube device of upper gastrointestinal endoscopy of following specific embodiment 1, embodiment 2, embodiment 3 can be obtained by table 1:
Table 1,
When the present invention uses, be fixedly connected with by connecting portion 1-1 before body 1 with the bent angle device of upper gastrointestinal endoscopy front end, rear connecting portion 1-3 is fixedly connected with operator shank, bourdon tube 3 due to described pars intermedia 1-2 comprises leading portion 3-1, stage casing 3-2 and the back segment 3-3 of one each other, the pitch P of the leading portion 3-1 of the bourdon tube 3 of described pars intermedia 1-2
1for 1.6mm ~ 4mm, the pitch P of stage casing 3-2
2for 2.3mm ~ 5mm, the pitch P of back segment 3-3
3for 2.8mm ~ 6mm, and P
1< P
2< P
3, like this, the pliability of the bourdon tube 3 of the pars intermedia 1-2 of main flexible tube device is just divided into three sections, and leading portion 3-1, the pliability of stage casing 3-2 and back segment 3-3 is successively decreased successively, therefore, doctor is in the process being inserted into patient bore, due to the leading portion 3-1 of the bourdon tube 3 of pars intermedia 1-2 and the pliability of medical polyurethane layer 4 higher, the upper gastrointestinal inner chamber of human body would not be damaged to like this in the process inserted, along with deepening continuously of main flexible tube device, and be convenient to doctor's operation, reduce the stage casing 3-2 of the bourdon tube 3 of pars intermedia 1-2 and the pliability of medical polyurethane layer 4, last main flexible tube device will be deep into duodenum, therefore, doctor needs to increase certain dynamics in operation, simultaneously, also for the ease of inserting, thus the back segment 3-3 of the bourdon tube 3 of pars intermedia 1-2 and the pliability of medical polyurethane layer 4 than the stage casing 3-2 of the bourdon tube 3 of pars intermedia 1-2 and the pliability of medical polyurethane layer 4 also low.In sum, the present invention has at least three sections of different pliabilitys, good bending property, and is convenient to insert, and not easily causes patient bore to damage.
Claims (6)
1. the main flexible tube device of a upper gastrointestinal endoscopy, there is body (1), described body (1) is made up of braiding webmaster (2) and the bourdon tube (3) be inserted in braiding webmaster (2), described body (1) comprises front connecting portion (1-1), pars intermedia (1-2) and rear connecting portion (1-3), and the braiding webmaster (2) of the front connecting portion (1-1) of body (1) and bourdon tube (3) are welded to connect, braiding webmaster (2) and the bourdon tube (3) of the rear connecting portion (1-3) of body (1) are welded to connect; The periphery of the braiding webmaster (2) of the pars intermedia (1-2) of described body (1) is coated with medical polyurethane layer (4), the periphery of described medical polyurethane layer (4) is coated with medical transparent polyurethane film (5), and the maximum outside diameter Φ of the pars intermedia (1-2) of described body (1) is 6 ~ 10.5mm; It is characterized in that:
The bourdon tube (3) of a, described pars intermedia (1-2) comprises leading portion (3-1), stage casing (3-2) and the back segment (3-3) of one each other;
The pitch P of the leading portion (3-1) of the bourdon tube (3) of b, described pars intermedia (1-2)
1for 1.6mm ~ 4mm; The pitch P in stage casing (3-2)
2for 2.3mm ~ 5mm; The pitch P of back segment (3-3)
3for 2.8mm ~ 6mm, and P
1< P
2< P
3;
The shore hardness A of the medical polyurethane layer (4) that the periphery of the braiding webmaster (2) of the leading portion (3-1) of the bourdon tube (3) of c, described pars intermedia (1-2) is coated
1be 35 ~ 50, the shore hardness A of the medical polyurethane layer (4) that the periphery of the braiding webmaster (2) of stage casing (3-2) is coated
2be 51 ~ 60, the shore hardness A of the medical polyurethane layer (4) that the periphery of the braiding webmaster (2) of back segment (3-3) is coated
3be 61 ~ 80;
The external diameter Φ 1 of d, described braiding webmaster (2) is 5 ~ 9.5mm, and the braid angle β of braiding webmaster (2) is 30 ° ~ 60 °, and the cross point pitch H of braiding webmaster (2) is 1 ~ 6mm;
The total length L of e, described body (1) is 1000 ± 100mm ~ 1200 ± 100mm, and the length of front connecting portion (1-1) is L
1for the length L of 4mm ~ 10mm, pars intermedia (1-2)
2be the length L of 980 ± 20mm ~ 1180 ± 20mm, rear connecting portion (1-3)
3for 5mm ~ 10mm.
2. the main flexible tube device of upper gastrointestinal endoscopy according to claim 1, is characterized in that: the length L of the leading portion (3-1) of the bourdon tube (3) of described pars intermedia (1-2)
2-1be 340 ± 100mm, the length L of stage casing (3-2)
2-2be 380 ± 100mm, the length L of back segment (3-3)
2-3be 360 ± 100mm.
3. the main flexible tube device of upper gastrointestinal endoscopy according to claim 1, is characterized in that: described braiding webmaster (2) is formed by 24 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 8 ~ 12 steel wires.
4. the main flexible tube device of upper gastrointestinal endoscopy according to claim 1, is characterized in that: the steel band wall thickness d of described bourdon tube (3) is 0.1 ~ 0.22mm, and the width of steel band W of bourdon tube (3) is
2.4 ~ 2.8mm.
5. the main flexible tube device of upper gastrointestinal endoscopy according to claim 1, is characterized in that: the pipe thickness of described medical polyurethane layer (4) is 0.15 ~ 0.8mm.
6. the main flexible tube device of upper gastrointestinal endoscopy according to claim 1, is characterized in that: the pitch P of the bourdon tube (3) of described front connecting portion (1-1)
0for 1.6mm ~ 4mm; The pitch P of the bourdon tube (3) of rear connecting portion (1-3)
4for 2.8mm ~ 6mm, and P
0≤ P
1, P
3≤ P
4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495171.0A CN105054891B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of upper gastrointestinal endoscopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495171.0A CN105054891B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of upper gastrointestinal endoscopy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105054891A true CN105054891A (en) | 2015-11-18 |
| CN105054891B CN105054891B (en) | 2016-08-24 |
Family
ID=54484596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495171.0A Active CN105054891B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of upper gastrointestinal endoscopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105054891B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420006A (en) * | 2019-08-30 | 2019-11-08 | 常州延顺光电科技有限公司 | The insertion tube sub-assembly of upper gastrointestinal endoscopy |
| CN110584583A (en) * | 2019-08-30 | 2019-12-20 | 常州延顺光电科技有限公司 | Insertion tube assembly of ureteroscope |
| WO2021136289A1 (en) * | 2019-12-30 | 2021-07-08 | 湖南省华芯医疗器械有限公司 | Integrated composite pipe |
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| CN103623494A (en) * | 2013-12-12 | 2014-03-12 | 西北有色金属研究院 | Titanium alloy guide wire for surgical interventional therapy |
| CN205094381U (en) * | 2015-08-13 | 2016-03-23 | 常州延顺光电科技有限公司 | Main hose fittings of upper digestive tract mirror |
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2015
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| US5788714A (en) * | 1995-08-14 | 1998-08-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Flexible tube for an endoscope |
| JP2000254235A (en) * | 1999-03-10 | 2000-09-19 | Terumo Corp | Medical tube and its manufacture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420006A (en) * | 2019-08-30 | 2019-11-08 | 常州延顺光电科技有限公司 | The insertion tube sub-assembly of upper gastrointestinal endoscopy |
| CN110584583A (en) * | 2019-08-30 | 2019-12-20 | 常州延顺光电科技有限公司 | Insertion tube assembly of ureteroscope |
| WO2021136289A1 (en) * | 2019-12-30 | 2021-07-08 | 湖南省华芯医疗器械有限公司 | Integrated composite pipe |
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| Publication number | Publication date |
|---|---|
| CN105054891B (en) | 2016-08-24 |
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