CN205094383U - Main hose fittings of sigmoidoscope - Google Patents

Main hose fittings of sigmoidoscope Download PDF

Info

Publication number
CN205094383U
CN205094383U CN201520608081.3U CN201520608081U CN205094383U CN 205094383 U CN205094383 U CN 205094383U CN 201520608081 U CN201520608081 U CN 201520608081U CN 205094383 U CN205094383 U CN 205094383U
Authority
CN
China
Prior art keywords
bourdon tube
connecting portion
pars intermedia
braiding webmaster
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.)
Active
Application number
CN201520608081.3U
Other languages
Chinese (zh)
Inventor
谢梦蕾
谢民政
谢春红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Is Prolonged Along Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
Original Assignee
Changzhou Is Prolonged Along Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou Is Prolonged Along Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017 filed Critical Changzhou Is Prolonged Along Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
Priority to CN201520608081.3U priority Critical patent/CN205094383U/en
Application granted granted Critical
Publication of CN205094383U publication Critical patent/CN205094383U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Materials For Medical Uses (AREA)

Abstract

The utility model provides a main hose fittings of sigmoidoscope, includes the body that woven mesh tube and spring pipe constitute, the body includes preceding connecting portion, intermediate part and back connecting portion, the woven mesh tube periphery cladding of intermediate part 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, anterior segment pitch P1 is 1mm-3mm, middle section pitch P2 is 1.8mm-4.5mm, back end pitch P3 is 2.5mm-6.5mm, and P1 < P2 < P3, the shao shi hardness A1 on the wrap -around medical polyurethane layer of woven mesh tube periphery of the anterior segment of spring pipe is 35-50, and the shaoshi hardness A2 on the wrap -around medical polyurethane layer of woven mesh tube periphery in middle section is 51-60, and the shaoshi hardness A3 on the wrap -around medical polyurethane layer of woven mesh tube periphery of back end is 61-90. 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

A kind of main flexible tube device of colonoscope
Technical field
This utility model relates to a kind of main flexible tube device, is 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 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 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, the technical solution of the utility model is: a kind of main flexible tube device of colonoscope, 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 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 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 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 this utility model 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 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 main flexible tube device of colonoscope, 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 10 ~ 14mm;
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 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 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 ~ 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.Wherein, the cross point pitch H of braiding webmaster 2 described in the utility model, is also referred to as lay of braiding H.
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, 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 described in the utility model 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 described in the utility model 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 this utility model pars intermedia 1-2 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 this utility model uses, be fixedly connected with the bent angle device of colonoscope 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 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 this utility model 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 (3)

1. the main flexible tube device of a colonoscope, 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 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;
The length L of the leading portion (3-1) of the bourdon tube (3) of e, 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;
F, described braiding webmaster (2) are formed by 32 ~ 36 bundle braided steel wires, and every Shu Gangsi merges into a branch of by 9 ~ 15 steel wires;
The pitch P of the bourdon tube (3) of g, 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.
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 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.
CN201520608081.3U 2015-08-13 2015-08-13 Main hose fittings of sigmoidoscope Active CN205094383U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520608081.3U CN205094383U (en) 2015-08-13 2015-08-13 Main hose fittings of sigmoidoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520608081.3U CN205094383U (en) 2015-08-13 2015-08-13 Main hose fittings of sigmoidoscope

Publications (1)

Publication Number Publication Date
CN205094383U true CN205094383U (en) 2016-03-23

Family

ID=55510202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520608081.3U Active CN205094383U (en) 2015-08-13 2015-08-13 Main hose fittings of sigmoidoscope

Country Status (1)

Country Link
CN (1) CN205094383U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114272141A (en) * 2022-01-13 2022-04-05 北京大学深圳医院 Double-cavity visible gastrointestinal tube and double-cavity injection device with same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114272141A (en) * 2022-01-13 2022-04-05 北京大学深圳医院 Double-cavity visible gastrointestinal tube and double-cavity injection device with same
CN114272141B (en) * 2022-01-13 2023-09-15 北京大学深圳医院 Double-cavity visual gastrointestinal tube and double-cavity injection device with same

Similar Documents

Publication Publication Date Title
US8979739B2 (en) Bending tube and medical instrument
KR100685340B1 (en) Endoscope device
CN102462886B (en) Conduit tube component
CN101920057B (en) Medical guidewire
JP6072371B2 (en) Medical instruments and medical systems
CN105054891B (en) The main flexible tube device of upper gastrointestinal endoscopy
CN109288486B (en) Multi-section bending tube device of endoscope and endoscope
CN103402417A (en) Flexible tube part for endoscope and endoscope having flexible tube part
CN104997481B (en) The main flexible tube device of colonoscope
CN205094383U (en) Main hose fittings of sigmoidoscope
JP2008253774A (en) Endoscope apparatus
CN105125164B (en) Bronchoscopic main flexible tube device
CN205094381U (en) Main hose fittings of upper digestive tract mirror
CN204971199U (en) Main hose fittings&#39;s of sigmoidoscope skeleton subassembly
CN104225761A (en) Pusher guidewire
CN204971189U (en) Bronchoscope&#39;s main hose fittings
JP3772085B2 (en) Endoscope device
CN211324922U (en) Insertion tube assembly of colonoscope
CN110420007B (en) Insertion tube assembly for colonoscope
JP2008188095A (en) Endoscopic joint ring, method of manufacturing the same, and endoscope
CN204971193U (en) Main hose fittings&#39;s of upper digestive tract mirror skeleton subassembly
CN204971176U (en) Main hose fittings&#39;s of upper digestive tract mirror spring pipe
CN204971198U (en) Main hose fittings&#39;s of sigmoidoscope spring pipe
CN214632095U (en) Flexible bending insertion tube assembly of bronchoscope
JP2015156956A (en) catheter

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant