CN204971189U - Bronchoscope's main hose fittings - Google Patents
Bronchoscope's main hose fittings Download PDFInfo
- Publication number
- CN204971189U CN204971189U CN201520608376.0U CN201520608376U CN204971189U CN 204971189 U CN204971189 U CN 204971189U CN 201520608376 U CN201520608376 U CN 201520608376U CN 204971189 U CN204971189 U CN 204971189U
- Authority
- CN
- China
- Prior art keywords
- bourdon tube
- connecting portion
- pars intermedia
- braiding webmaster
- polyurethane 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model provides a bronchoscope's main hose fittings, includes the body that comprises woven mesh tube and spring pipe, the body includes preceding connecting portion, intermediate part and back connecting portion, the woven mesh tube's of intermediate part periphery cladding has medical polyurethane layer, and the spring pipe of intermediate part is including each other anterior segment, middle section and back end as an organic whole, pitch is 1.5-2.4mm, 2.4-2.8mm and 2.8-3.2mm respectively, and P1 < P2 < P3, the shao shi hardness on medical polyurethane layer is divided into that A1 is 30-40, A2 is 40-55 and is 60-80 with A3, the steel band wall thickness d of spring pipe is 0.06-0.15mm, and steel band width W is 1.8-2.3mm, the length of anterior segment, middle section and back end is 170 70mm, 210 70mm and 190 70mm respectively. The utility model discloses have the different compliances of at least three -section, bending property is good, and is convenient for insert to and be difficult for causing the patient to harm.
Description
Technical field
This utility model relates to a kind of main flexible tube device, is specifically related to a kind of bronchoscopic main flexible tube device of medicinal soft.
Background technology
The main flexible tube device of medicinal soft bronchial endoscope is one of main accessory important in medical endoscope.Doctor's bronchial endoscope, bend patient, complicated upper respiratory tract is when carrying out inspections diagnosis, the difficulty of insertion flexible pipe is larger.The front end of bronchoscope insertion section is CCD camera assembly, and the main flexible tube device of its insertion section will enter trachea and left and right bronchus through nasal meatus (or oral cavity), nasopharynx part, pars oralis pharyngis, epiglottis portion, throat
.the angle that the main flexible tube device of scope is bending in the process of intubate is greater than 90 °, like this, not injured patient's upper respiratory tract and bronchial inwall should be guaranteed, ensure again accurately to check diagnosis, so have higher requirement to the manufacturing and designing of main flexible tube of bronchus scope.
The pliability of whole flexible pipe of existing bronchoscopic main flexible tube device is 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 30, therefore, pliability due to main flexible tube device is really up to the mark or too soft, doctor is when using the diagnosis of soft bronchial endoscope, just there will be the situation of difficult intubation, certainly, some reasons are wherein also had to be structures of the main flexible tube device of scope, performance does not reach instructions for use yet, pliability once bronchoscopic main flexible tube device is really up to the mark, and local hemorrhage, local mucous membrane will be caused in the process inserted to damage or complication.If the pliability of main flexible tube device is too soft, also there will be difficult intubation, even have and insert less than defects such as the positions needing diagnosis.
Summary of the invention
The purpose of this utility model is: provide one to have at least three sections of different pliabilitys, good bending property, and is convenient to insert, and the bronchoscopic main flexible tube device not easily causing patient's enteric cavity to damage, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model is: a kind of bronchoscopic main flexible tube device, comprise 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 3 ~ 6mm; 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 1.5mm ~ 2.4mm; The pitch P in stage casing
2for 2.4.mm ~ 2.8mm; The pitch P of back segment
3for 2.8mm ~ 3.2mm, 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 30 ~ 40, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster in stage casing is coated
2be 40 ~ 55, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of back segment is coated
3be 60 ~ 80;
The steel band wall thickness d of d, described bourdon tube is 0.06 ~ 0.15mm, and the width of steel band W of bourdon tube is 1.8 ~ 2.3mm;
The length L of the leading portion of the bourdon tube of e, described pars intermedia
2-1be the length L in 170 ± 70mm, stage casing
2-2be the length L of 210 ± 70mm, back segment
2-3be 190 ± 70mm.
In technique scheme, the total length L of described body is 505 ± 20mm ~ 650 ± 20mm, and the length of front connecting portion is L
1for the length L of 2mm ~ 5mm, pars intermedia
2be the length L of 500 ± 20mm ~ 640 ± 20mm, rear connecting portion
3for 3mm ~ 5mm.
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 5 ~ 7 steel wires.
In technique scheme, the external diameter Φ 1 of described braiding webmaster is 2.7 ~ 5.7mm, and the braid angle β of braiding webmaster is 35 ° ~ 45 °, and the cross point pitch H of braiding webmaster is 0.6 ~ 1.3mm.
In technique scheme, the pipe thickness of described medical polyurethane layer is 0.1 ~ 0.3mm.
In technique scheme, the pitch P of the bourdon tube of described front connecting portion
0for 1.5mm ~ 2.4mm; The pitch P of the bourdon tube of rear connecting portion
4for 2.8mm ~ 3.2mm, and P
0≤ P
1, P
3≤ P
4.
The good effect that this utility model has is: after adopting main flexible tube device of the present utility model, during use, and be fixedly connected with the bent angle device of bronchoscope 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 1.5mm ~ 2.4mm, the pitch P in stage casing
2for 2.4.mm ~ 2.8mm, the pitch P of back segment
3for 2.8mm ~ 3.2mm, 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 30 ~ 40, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster in stage casing is coated
2be 40 ~ 55, the shore hardness A of the medical polyurethane layer that the periphery of the braiding webmaster of back segment is coated
3be 60 ~ 80, the steel band wall thickness d of described bourdon tube is 0.06 ~ 0.15mm, and the width of steel band W of bourdon tube is 1.8 ~ 2.3mm, the length L of the leading portion of the bourdon tube of described pars intermedia
2-1be the length L in 170 ± 70mm, stage casing
2-2be the length L of 210 ± 70mm, back segment
2-3be 190 ± 70mm, 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, in doctor's in-service, 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, the last nasal meatus (or oral cavity) that can be smoothly through patient for the ease of main flexible tube device, nasopharynx part, pars oralis pharyngis, epiglottis portion, throat enters trachea, and left and right bronchus, therefore, the dynamics that the increase that doctor needs in operation is suitable, 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.Because this utility model has at least three sections of different pliabilitys, good bending property, and be convenient to insert, just meet doctor in the bronchoscopic process of one man operation, just can be delivered to the front end of bronchoscope flexible pipe like clockwork, indiscriminately ad. as one wishes carry out operating smoothly by the position of upper respiratory tract, guarantee that doctor observes each position of upper respiratory tract intracavity, and its smooth external diameter surface, guarantee that upper respiratory 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 this utility model;
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, this utility model is further described, but is not limited thereto.
As shown in Fig. 1,2,3,4,5,6, a kind of bronchoscopic main flexible tube device, comprise 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 3 ~ 6mm;
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 1.5mm ~ 2.4mm; The pitch P of stage casing 3-2
2for 2.4.mm ~ 2.8mm; The pitch P of back segment 3-3
3for 2.8mm ~ 3.2mm, 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 30 ~ 40, 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 40 ~ 55, 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 60 ~ 80;
The steel band wall thickness d of d, described bourdon tube 3 is 0.06 ~ 0.15mm, and the width of steel band W of bourdon tube 3 is 1.8 ~ 2.3mm;
The length L of the leading portion 3-1 of the bourdon tube 3 of e, described pars intermedia 1-2
2-1be the length L of 170 ± 70mm, stage casing 3-2
2-2be the length L of 210 ± 70mm, back segment 3-3
2-3be 190 ± 70mm.
Bourdon tube 3 described in the utility model is spiral bourdon tubes.
As shown in Figure 1, 2, in order to make this utility model structure more reasonable, the total length L of described body 1 is 505 ± 20mm ~ 650 ± 20mm, and the length of front connecting portion 1-1 is L
1for the length L of 2mm ~ 5mm, pars intermedia 1-2
2be the length L of 500 ± 20mm ~ 640 ± 20mm, rear connecting portion 1-3
3for 3mm ~ 5mm.
Braiding webmaster 2 described in the utility model is formed by 32 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 5 ~ 7 steel wires.
As shown in Fig. 3,5, the external diameter Φ 1 of described braiding webmaster 2 is 2.7 ~ 5.7mm, and the braid angle β of braiding webmaster 2 is 35 ° ~ 45 °, and the cross point pitch H of braiding webmaster 2 is 0.6 ~ 1.3mm.Wherein, the cross point pitch H of braiding webmaster 2 described in the utility model, is also referred to as lay of braiding H.
The pipe thickness of medical polyurethane layer 4 described in the utility model is 0.1 ~ 0.3mm.
As shown in Figure 2,6, the pitch P of the bourdon tube 3 of described front connecting portion 1-1
0for 1.5mm ~ 2.4mm; The pitch P of the bourdon tube 3 of rear connecting portion 1-3
4for 2.8mm ~ 3.2mm, 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 this utility model pars intermedia 1-2 is provided with length mark 1-4.
The bronchoscopic main flexible tube device of following specific embodiment 1, embodiment 2, embodiment 3 can be obtained by table 1:
Table 1,
When this utility model uses, be fixedly connected with the bent angle device of bronchoscope front end by connecting portion 1-1 before body 1, 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 1.5mm ~ 2.4mm, the pitch P of stage casing 3-2
2for 2.4.mm ~ 2.8mm, the pitch P of back segment 3-3
3for 2.8mm ~ 3.2mm, 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 30 ~ 40, 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 40 ~ 55, 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 60 ~ 80, the steel band wall thickness d of described bourdon tube 3 is 0.06 ~ 0.15mm, and the width of steel band W of bourdon tube 3 is 1.8 ~ 2.3mm, 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 170 ± 70mm, stage casing 3-2
2-2be the length L of 210 ± 70mm, back segment 3-3
2-3be 190 ± 70mm, 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 leading portion 3-1, the pliability of stage casing 3-2 and back segment 3-3 is successively decreased successively, therefore, when doctor operates, because the pliability of the leading portion 3-1 of the bourdon tube 3 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 the bourdon tube 3 of pars intermedia 1-2 and the pliability of corresponding medical polyurethane layer 4, the last nasal meatus (or oral cavity) being smoothly through patient for the ease of main flexible tube device, nasopharynx part, pars oralis pharyngis, epiglottis portion, throat enters trachea, and bronchial position, left and right
.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 the bourdon tube 3 of pars intermedia 1-2 and the medical polyurethane layer 4 of correspondence is also lower than the pliability of the stage casing 3-2 of the bourdon tube 3 of pars intermedia 1-2 and the medical polyurethane layer 4 of correspondence.Because this utility model has at least three sections of different pliabilitys, good bending property, and be convenient to insert, just meet doctor in the bronchoscopic process of one man operation, just can be delivered to the front end of bronchoscope flexible pipe like clockwork, indiscriminately ad. as one wishes carry out operating smoothly by the position of upper respiratory tract, guarantee that doctor observes each position of upper respiratory tract intracavity, and its smooth external diameter surface, guarantee that upper respiratory tract and inwall thereof are not damaged in endoscopy diagnostic procedure.
Claims (6)
1. a bronchoscopic main flexible tube device, comprise 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 3 ~ 6mm; 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 1.5mm ~ 2.4mm; The pitch P in stage casing (3-2)
2for 2.4.mm ~ 2.8mm; The pitch P of back segment (3-3)
3for 2.8mm ~ 3.2mm, 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 30 ~ 40, 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 40 ~ 55, 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 60 ~ 80;
The steel band wall thickness d of d, described bourdon tube (3) is 0.06 ~ 0.15mm, and the width of steel band W of bourdon tube (3) is 1.8 ~ 2.3mm;
The length L of the leading portion (3-1) of the bourdon tube (3) of e, described pars intermedia (1-2)
2-1be 170 ± 70mm, the length L of stage casing (3-2)
2-2be 210 ± 70mm, the length L of back segment (3-3)
2-3be 190 ± 70mm.
2. bronchoscopic main flexible tube device according to claim 1, is characterized in that: the total length L of described body (1) is 505 ± 20mm ~ 650 ± 20mm, and the length of front connecting portion (1-1) is L
1for the length L of 2mm ~ 5mm, pars intermedia (1-2)
2be the length L of 500 ± 20mm ~ 640 ± 20mm, rear connecting portion (1-3)
3for 3mm ~ 5mm.
3. bronchoscopic main flexible tube device 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 5 ~ 7 steel wires.
4. bronchoscopic main flexible tube device according to claim 1, it is characterized in that: the external diameter Φ 1 of described braiding webmaster (2) is 2.7 ~ 5.7mm, the braid angle β of braiding webmaster (2) is 35 ° ~ 45 °, and the cross point pitch H of braiding webmaster (2) is 0.6 ~ 1.3mm.
5. bronchoscopic main flexible tube device according to claim 1, is characterized in that: the pipe thickness of described medical polyurethane layer (4) is 0.1 ~ 0.3mm.
6. bronchoscopic main flexible tube device according to claim 1, is characterized in that: the pitch P of the bourdon tube (3) of described front connecting portion (1-1)
0for 1.5mm ~ 2.4mm; The pitch P of the bourdon tube (3) of rear connecting portion (1-3)
4for 2.8mm ~ 3.2mm, and P
0≤ P
1, P
3≤ P
4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608376.0U CN204971189U (en) | 2015-08-13 | 2015-08-13 | Bronchoscope's main hose fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608376.0U CN204971189U (en) | 2015-08-13 | 2015-08-13 | Bronchoscope's main hose fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204971189U true CN204971189U (en) | 2016-01-20 |
Family
ID=55105625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520608376.0U Withdrawn - After Issue CN204971189U (en) | 2015-08-13 | 2015-08-13 | Bronchoscope's main hose fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204971189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125164A (en) * | 2015-08-13 | 2015-12-09 | 常州延顺光电科技有限公司 | Main hose apparatus for bronchoscopes |
| 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 |
-
2015
- 2015-08-13 CN CN201520608376.0U patent/CN204971189U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125164A (en) * | 2015-08-13 | 2015-12-09 | 常州延顺光电科技有限公司 | Main hose apparatus for bronchoscopes |
| CN105125164B (en) * | 2015-08-13 | 2016-08-17 | 常州延顺光电科技有限公司 | Bronchoscopic main flexible tube device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |