CN104997481A - Main hose device of colonoscope - Google Patents
Main hose device of colonoscope Download PDFInfo
- Publication number
- CN104997481A CN104997481A CN201510495301.0A CN201510495301A CN104997481A CN 104997481 A CN104997481 A CN 104997481A CN 201510495301 A CN201510495301 A CN 201510495301A CN 104997481 A CN104997481 A CN 104997481A
- Authority
- CN
- China
- Prior art keywords
- bourdon tube
- pars intermedia
- braiding webmaster
- polyurethane layer
- pitch
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
Abstract
A main hose device of a colonoscope comprises a body consisting of a knitted net tube and a spring tube, wherein the body comprises a front connection part, a middle part and a back connection part; the periphery of the knitted net tube of the middle part is coated with a medical polyurethane layer, and the spring tube of the middle part comprises a front section, a middle section and a back section which are integrated; the pitch P1 of the front section ranges from 1mm to 3 mm, the pitch P2 of the middle section ranges from 1.8 mm to 4.5 mm, the pitch P3 of the back section ranges from 2.5 mm to 6.5 mm, and P2 is larger than P1 and smaller than P3; the Shore hardness A1 of the medical polyurethane layer coating the periphery of the knitted net tube at the front section of the spring tube ranges from 35 to 50, the Shore hardness A2 of the medical polyurethane layer coating the periphery of the knitted net tube at the middle section ranges from 51 to 60, and the Shore hardness A3 of the medical polyurethane layer coating the periphery of the knitted net tube at the back section ranges from 61 to 90. The main hose device has at least three sections with different flexibility, is good in bending performance and convenient to insert and cannot cause injuries to patients easily.
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 colonoscope of medicinal soft.
Background technology
Existing doctor is carrying out in colonoscope clinical manipulation process, by the adjustment to colonoscope correlation function, then the anus of main flexible tube device from patient is inserted, constantly carry out inserting to the main flexible tube device of colonoscope shank and send, just can be smoothly through sigmoid colon, fall-divide a word with a hyphen at the end of a line portion, splenic flexure, hepatic flexure of colon of second send to caecum and terminal ileum.In the process checked, doctor constantly makes colon shorten to straighten, or the rotation to shank flexible pipe, makes to be checked by each intestinal position of lower digestive tract smoothly.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 90, 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, therefore, pliability due to main flexible tube device is really up to the mark or too soft, just there will be forward and back difficulty during insertion, also easily cause the position being beyond recognition intestinal tube inner chamber, if insert reluctantly, patient also can feel hurt like hell, even has the danger of intestinal tube perforation.In addition, also there will be damage mucosa, finding small pathological changes by being an impediment to.
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 colonoscope not easily causing patient's enteric cavity 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 colonoscope, 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 10 ~ 14mm; 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 1mm ~ 3mm; The pitch P in stage casing
2for 1.8mm ~ 4.5mm; The pitch P of back segment
3for 2.5mm ~ 6.5mm, and P
1< P < 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 ~ 90;
The external diameter Φ 1 of d, described braiding webmaster is 10 ~ 13.5mm, and the braid angle β of braiding webmaster is 30 ° ~ 60 °, and the cross point pitch H of braiding webmaster is 1 ~ 6mm.
In technique scheme, the total length L of described body is 1350 ± 100mm ~ 1750 ± 100mm, and the length of front connecting portion is L
1for the length L of 4mm ~ 10mm, pars intermedia
2be the length L of 1340 ± 100mm ~ 1740 ± 100mm, 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 466 ± 200mm, stage casing
2-2be the length L of 566 ± 200mm, back segment
2-3be 508 ± 200mm.
In technique scheme, described braiding webmaster is formed by 32 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 9 ~ 15 steel wires.
In technique scheme, the steel band wall thickness d of described bourdon tube is 0.2 ~ 0.3mm, and the width of steel band W of bourdon tube is 2.8 ~ 3.5mm.
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 of described front connecting portion
0for 1mm ~ 3mm; The pitch P of the bourdon tube of rear connecting portion
4for 2.5mm ~ 6.5mm, 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 colonoscope 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 1mm ~ 3mm, the pitch P in stage casing
2for 1.8mm ~ 4.5mm, the pitch P of back segment
3for 2.5mm ~ 6.5mm, 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 ~ 90, 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 from the process that the anus of patient inserts, because the pliability of the leading portion of the bourdon tube of pars intermedia and the medical polyurethane layer of correspondence is higher, damage would not be caused 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, finally be smoothly through sigmoid colon for the ease of main flexible tube device, fall-second divides a word with a hyphen at the end of a line portion, splenic flexure, hepatic flexure of colon sends to caecum and terminal ileum, 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 in the bourdon tube of pars intermedia and the stage casing of corresponding medical polyurethane layer.Because the present invention has at least three sections of different pliabilitys, good bending property, and be convenient to insert, just meet doctor in the process of one man operation colonoscope, just can be delivered to the front end of colonoscope flexible pipe like clockwork, indiscriminately ad. as one wishes carry out operating smoothly by the position of each intestinal of lower digestive tract, guarantee that doctor observes each position in enteric cavity, and its smooth external diameter surface, guarantee that lower digestive tract and inwall thereof are not damaged in endoscopy diagnostic procedure.
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 colonoscope, 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 10 ~ 14mm;
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 1mm ~ 3mm; The pitch P of stage casing 3-2
2for 1.8mm ~ 4.5mm; The pitch P of back segment 3-3
3for 2.5mm ~ 6.5mm, 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 ~ 90;
The external diameter Φ 1 of described braiding webmaster 2 is 10 ~ 13.5mm, 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.
Bourdon tube 3 of the present invention is spiral bourdon tubes.
As shown in Figure 1, 2, in order to make structure of the present invention more reasonable, and be suitable for actual use, the total length L of described body 1 is 1350 ± 100mm ~ 1750 ± 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 1340 ± 100mm ~ 1740 ± 100mm, rear connecting portion 1-3
3for 5mm ~ 10mm.
As shown in Figure 2,6, 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 466 ± 200mm, stage casing 3-2
2-2be the length L of 566 ± 200mm, back segment 3-3
2-3be 508 ± 200mm.
Braiding webmaster 2 of the present invention is formed by 32 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 9 ~ 15 steel wires.
As shown in Figure 6, the steel band wall thickness d of described bourdon tube 3 is 0.2 ~ 0.3mm, and the width of steel band W of bourdon tube 3 is 2.8 ~ 3.5mm.
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 1mm ~ 3mm; The pitch P of the bourdon tube 3 of rear connecting portion 1-3
4for 2.5mm ~ 6.5mm, 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 colonoscope 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 colonoscope 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 1mm ~ 3mm, the pitch P of stage casing 3-2
2for 1.8mm ~ 4.5mm, the pitch P of back segment 3-3
3for 2.5mm ~ 6.5mm, 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 ~ 90, like this, the bourdon tube 3 of the pars intermedia 1-2 of main flexible tube device and the pliability of medical polyurethane layer 4 are just divided into three sections, and the leading portion 3-1 of pars intermedia 1-2, the pliability of stage casing 3-2 and back segment 3-3 is successively decreased successively, therefore, doctor is from the process that the anus of patient inserts, because the pliability of the leading portion 3-1 of pars intermedia 1-2 and the medical polyurethane layer 4 of correspondence is higher, damage would not be caused 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 pars intermedia 1-2 and the pliability of corresponding medical polyurethane layer 4, finally be smoothly through sigmoid colon for the ease of main flexible tube device, fall-second divides a word with a hyphen at the end of a line portion, splenic flexure, hepatic flexure of colon sends to caecum and terminal ileum, therefore, doctor needs to increase certain dynamics in operation, simultaneously, also for the ease of inserting, thus the pliability of the back segment 3-3 of pars intermedia 1-2 and the medical polyurethane layer 4 of correspondence is also lower with corresponding medical polyurethane layer 4 than the pliability of the stage casing 3-2 of pars intermedia 1-2.Because the present invention has at least three sections of different pliabilitys, good bending property, and be convenient to insert, just meet doctor in the process of one man operation colonoscope, just can be delivered to the front end of scope like clockwork, indiscriminately ad. as one wishes carry out operating smoothly by the position of each intestinal of lower digestive tract, guarantee that doctor observes each position in enteric cavity, and its smooth external diameter surface, guarantee that lower digestive tract and inwall thereof are not damaged in endoscopy diagnostic procedure.
Claims (7)
1. the main flexible tube device of a colonoscope, 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 10 ~ 14mm; 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 1mm ~ 3mm; The pitch P in stage casing (3-2)
2for 1.8mm ~ 4.5mm; The pitch P of back segment (3-3)
3for 2.5mm ~ 6.5mm, 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 braiding webmaster (2) periphery of back segment (3-3) is coated
3be 61 ~ 90;
The external diameter Φ 1 of d, described braiding webmaster (2) is 10 ~ 13.5mm, 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.
2. the main flexible tube device of colonoscope according to claim 1, is characterized in that: the total length L of described body (1) is 1350 ± 100mm ~ 1750 ± 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 1340 ± 100mm ~ 1740 ± 100mm, rear connecting portion (1-3)
3for 5mm ~ 10mm.
3. the main flexible tube device of colonoscope 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 466 ± 200mm, the length L of stage casing (3-2)
2-2be 566 ± 200mm, the length L of back segment (3-3)
2-3be 508 ± 200mm.
4. the main flexible tube device of colonoscope according to claim 1, is characterized in that: described braiding webmaster (2) is formed by 32 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 9 ~ 15 steel wires.
5. the main flexible tube device of colonoscope according to claim 1, is characterized in that: the steel band wall thickness d of described bourdon tube (3) is 0.2 ~ 0.3mm, and the width of steel band W of bourdon tube (3) is 2.8 ~ 3.5mm.
6. the main flexible tube device of colonoscope according to claim 1, is characterized in that: the pipe thickness of described medical polyurethane layer (4) is 0.15 ~ 0.8mm.
7. the main flexible tube device of colonoscope according to claim 1, is characterized in that: the pitch P of the bourdon tube (3) of described front connecting portion (1-1)
0for 1mm ~ 3mm; The pitch P of the bourdon tube (3) of rear connecting portion (1-3)
4for 2.5mm ~ 6.5mm, and P
0≤ P
1, P
3≤ P
4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495301.0A CN104997481B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of colonoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495301.0A CN104997481B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of colonoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104997481A true CN104997481A (en) | 2015-10-28 |
| CN104997481B CN104997481B (en) | 2016-08-10 |
Family
ID=54370552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495301.0A Active CN104997481B (en) | 2015-08-13 | 2015-08-13 | The main flexible tube device of colonoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104997481B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420007A (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 Sigmoidoscope |
| CN111035350A (en) * | 2019-12-30 | 2020-04-21 | 常州延顺光电科技有限公司 | Preparation method of snake bone device of endoscope |
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|---|---|---|---|---|
| CN110420007A (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 Sigmoidoscope |
| CN111035350A (en) * | 2019-12-30 | 2020-04-21 | 常州延顺光电科技有限公司 | Preparation method of snake bone device of endoscope |
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| CN104997481B (en) | 2016-08-10 |
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