CN105433895A - Endoscope and curved tube thereof - Google Patents
Endoscope and curved tube thereof Download PDFInfo
- Publication number
- CN105433895A CN105433895A CN201510946003.9A CN201510946003A CN105433895A CN 105433895 A CN105433895 A CN 105433895A CN 201510946003 A CN201510946003 A CN 201510946003A CN 105433895 A CN105433895 A CN 105433895A
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- Prior art keywords
- swan
- neck
- endoscope
- breach
- wire
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- 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
-
- 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
- A61B1/012—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 characterised by internal passages or accessories therefor
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses an endoscope and a curved tube thereof. The curved tube comprises a tube body and at least one set of wire bodies. The tube body and the wire bodies are integrally formed through resin materials. The tube body is provided with a plurality of notches, and the notches divide the tube body into a plurality of unit sections and connection parts connected between the adjacent unit sections. The wire bodies are fixed to the inner wall of the tube body and form a channel for a linear transmission element to pass through, and each wire body set comprises a plurality of wire bodies. The curved tube is simple in structure, and the curve of the curved tube is mainly achieved based on the characteristics of the resin materials in cooperation with the notches in the tube body under the drive of the linear transmission element. The tube body and the wire bodies are integrally formed through the resin materials, the unit sections of the curved tube are connected through the connection parts of the unit sections, no complex connection structure is needed, and therefore cost is greatly lowered. Meanwhile, the requirement for the low-cost disposable endoscope can be met.
Description
Technical field
The application relates to endoscopic system, especially relates to the endoscope's swan-neck producing corresponding flexure operation according to the operation in endoscopic procedure portion.
Background technology
Usually, as shown in Figure 1, the endoscope for medical treatment mainly comprises following formation: insert endoceliac insertion section 11, the guide-lighting intercalation part 13 that the operating portion 12 be connected with insertion section and biconditional operation portion are connected.Insertion section 11 generally includes insertion tube 111, bending section 112 and cephalic par 113.Cephalic par 113 is mainly provided with illuminator and imaging system, is used for carrying out endoceliac observation.Cephalic par 113 is connected on bending section 112, can control the case of bending of bending section 112 and change viewing area by the control system of operating portion 12.
Bending section 112 generally include clad outside swan-neck, swan-neck and with swan-neck relatively at the traction steel wire that head is fixing.The control system of operating portion can manipulate traction steel wire, and the tension of traction steel wire and relaxation state can make swan-neck bend.The present bending section of final body bends.
The material of current swan-neck is metal or its alloy material, the such as rustless steel of a certain trade mark, as shown in Figure 2, its primary structure be there is some there is different structure or mutually isostructural stainless steel coil 1121, stainless steel coil 1121 has can through the hole 1122 of steel wire, the punch forming of stainless steel coil 1121 sidewall can be passed through in this hole 1122, also can adopt stainless steel tube and stainless steel coil 1121 welding fabrication of tiny Chuan Guo steel wire rope.There is articulated structure 1123 at each stainless steel coil 1121 two ends simultaneously, can, by hinged for two stainless steel coils 1121, these two stainless steel coils 1121 can be made can to rotate relative to hinged place simultaneously.When the stainless steel coil 1121 connected reaches design quantity, form swan-neck parts.
The part of swan-neck shown in Fig. 2 is various, and element precision requires high, processed complex, and assembling difficulty is high, is directed at its cost also higher.Meanwhile, after current endoscope is used to complete, need disinfection, just can reuse.But shown in Fig. 2, this endoscope structure is complicated, and disinfection way is loaded down with trivial details, disinfecting time is longer simultaneously.
Summary of the invention
The application provides a kind of novel endoscope's swan-neck and adopts the endoscope of this swan-neck.
Endoscope's swan-neck that the application provides, comprises body and wire body, described body and wire body one-body molded by resin material; Described body has some breach, and body is divided into some unit to save and is connected to the connecting portion between adjacent cells joint by described breach; At least corresponding breach of each unit joint, described unit saves along body axially-aligned and sorts successively by positive integer is ascending, wherein the breach corresponding to unit joint of odd bits is along body axially alignment mutually, and the breach corresponding to unit joint of even bit is along body axially alignment mutually; The inwall that described wire body is arranged at body forms the passage passed for linear driving member, described wire body is at least divided into one group, each wire body group comprises several wire bodies, and on the gapped alignments direction of odd bits unit joint and on the gapped alignments direction of even bit unit joint, correspondence is provided with wire body group.
As the further improvement of described endoscope swan-neck, described wire body is the short tube of the integral molding with body.
As the further improvement of described endoscope swan-neck, described short tube is formed by injection moulding or expressing technique.
As the further improvement of described endoscope swan-neck, described wire body is caved inward by the partial sidewall of body and is formed.
As the further improvement of described endoscope swan-neck, described wire body is formed by hot pressing or punching press after tube wall fluting.
As the further improvement of described endoscope swan-neck, the breach that each unit joint is corresponding is two, and the part between two breach is connecting portion.
As the further improvement of described endoscope swan-neck, the breach corresponding to the breach corresponding to unit joint of odd bits and the unit of even bit save staggers and arranges.
As the further improvement of described endoscope swan-neck, described wire body is four groups, and four groups of wire bodies are arranged around body axle center, the setting and adjacent wires body group staggers.
The endoscope that the application provides, comprising:
Swan-neck as described in above-mentioned any one;
And linear driving member, described linear driving member is at least one, and described linear driving member is through the passage of swan-neck upper conductor body.
The beneficial effect of the application is:
The endoscope that the application provides adopts a kind of novel swan-neck, this swan-neck comprises body and wire body, this body and wire body one-body molded by resin material, it has some breach, this breach body is divided into some unit save and be connected to adjacent cells joint between connecting portion.The inwall that this wire body is fixed on body forms the passage that linear driving member passes, and wire body is at least divided into one group, and each wire body group comprises several wire bodies.This swan-neck structure is simple, if the curved major of swan-neck is under the pulling of linear driving member, coordinates the breach on body to realize by resin material self character.Body and wire body one-body molded by resin material, the unit of swan-neck joint connects by the connecting portion of self, and without complicated syndeton, cost reduces greatly.Meanwhile, the disposable endoscope of the low cost that also can meet the demands.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of endoscope;
Fig. 2 is the structural representation of swan-neck in Fig. 1;
Fig. 3 is the structural representation of a kind of embodiment of the application endoscope swan-neck;
Fig. 4 is the schematic enlarged-scale view of wire body in structure shown in Fig. 3;
Fig. 5 is the sectional view of structure shown in Fig. 3, wherein illustrate only the wire body of side in body;
Fig. 6 is the case of bending schematic diagram of sectional view shown in Fig. 5 under linear driving member effect;
Fig. 7 is the structural representation of the another kind of embodiment of the application endoscope swan-neck.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention.The application can realize with multiple different form, is not limited to the embodiment described by the present embodiment.There is provided the object of following detailed description of the invention to be convenient to the clearer understanding thoroughly of the application's disclosure, wherein the words of the indicating position such as upper and lower, left and right is only for shown structure position in respective figure.
But those skilled in the art may recognize that one or more detail describes and can be omitted, or can also adopt other method, assembly or material.In some instances, some embodiments do not describe or are not described later in detail.
In addition, technical characteristic described herein, technical scheme can also combine in one or more embodiments in any suitable manner.
Embodiment one:
The present embodiment one provides a kind of swan-neck for endoscope.
Please refer to Fig. 3, the wire body that this swan-neck 20 comprises body 21 and passes for linear driving member (such as steel wire rope etc.).This body 21 and wire body are made up of resin material, greatly reduce production difficulty and cost.
This body 21 has some breach 211.The connecting portion 213 that body 21 is divided into some unit to save 212 and be connected between adjacent cells joint 212 by this breach 211, each unit joint 212 at least one breach 211 corresponding.
This unit joint 212 is along body 21 axially-aligned, and axis mentioned here is direction shown in arrow in Fig. 3.And unit joint 212 sorts along direction shown in arrow successively according to positive integer is ascending, namely setting sequence number respectively according to putting in order is 1,2,3,4,5 ...Wherein (sequence number is 1,3,5,7 to odd bits ...) unit joint corresponding to breach axially mutually align along body 21, namely these unit joint breach general alignment in the same direction.(sequence number is 2,4,6,8 to even bit ...) the breach corresponding to unit joint along body 21 axially mutually alignment, namely the breach general alignment of these unit joint is in the same direction.
Here it should be noted that, the breach 211 that the so-called unit of the present embodiment saves 212 correspondences refers to, along direction shown in Fig. 3 arrow, the breach 211 at 212 rears is saved adjacent to unit, such as, in Fig. 3, the breach of first unit joint corresponding to 212a is 211a, the breach of second unit joint corresponding to 212b is 211b, by that analogy.
Please refer to Fig. 3 and 4, the inwall that this wire body is arranged on body 21 forms the passage 215 that linear driving member passes.Wire body is at least divided into one group, and each wire body group comprises several wire bodies, and on the gapped alignments direction of odd bits unit joint and on the gapped alignments direction of even bit unit joint, correspondence is provided with wire body group.
This body 21 and wire body adopt resin manufacture, such as, can be polypropylene, or other have excellent mechanical property, and are not easy the resin material of fracture.The obtained body 21 of this resin material easily bends, and not easy fracture, and it is lower to manufacture difficulty, greatly reduces cost.
This swan-neck 20 structure is simple, if the curved major of swan-neck 20 is under the pulling of linear driving member, coordinates the breach 211 on body 21 to realize by resin material self character.The unit joint 212 of swan-neck 20 leans on the connecting portion 213 of self to connect, and without complicated syndeton, cost reduces greatly.And this swan-neck 20 structure is simple, disinfects also more convenient.Meanwhile, the disposable endoscope of the low cost that also can meet the demands.
This body 21 and on breach 211 and connecting portion 213 by injection moulding integrated molding, or also first by the obtained cylindrical tube of injection moulding or expressing technique, then can to excise the material of breach 211 part, form body 21 shown in the present embodiment.
Here arranging of breach 211 is related to the bending direction of swan-neck 20, because swan-neck 20 is bending towards direction, breach 211 place.In practical operation, according to different to the requirement of bending direction, the breach corresponding to the breach corresponding to unit joint being positioned at odd bits and the unit being positioned at even bit save may be arranged in same direction, also may be arranged in different directions.
Please refer to Fig. 3, the mode that the present embodiment adopts is that gapped alignments corresponding to the breach corresponding to unit joint being positioned at odd bits saves with the unit being positioned at even bit is at different directions.Swan-neck 20 shown in Fig. 3 has 20 unit joint 212 (quantity are not limited to 20), and several unit joint before having marked especially here, to be described.Particularly, first unit joint 212a and the 3rd unit joint breach 211a, 211c corresponding to 212c of being positioned at odd bits are positioned on same direction, and second unit joint 212b and the 4th unit joint breach 211b, 211d corresponding to 212d of being positioned at even bit are positioned on same direction, other by that analogy.
Further, please refer to Fig. 3, the breach 211 that each unit saves 212 correspondences is two, and the connecting portion 213 that each unit saves 212 correspondences is two, and the connecting portion 213 of same unit joint corresponding to 212 is connected between the breach 211 corresponding to it.As corresponding two the breach 211a of first module joint 212a in Fig. 3, the connecting portion 213 of first module joint corresponding to 212a (owing to being blocked in figure, illustrate only a connecting portion 213) between two breach 211a.
Certainly, in other embodiments, the breach 211 of each unit joint corresponding to 212 also may be one.In this case, if the breach corresponding to unit joint being positioned at odd bits save with the unit being positioned at even bit corresponding to gapped alignments at different directions, then swan-neck can be bending to both direction.In the same direction, then swan-neck can only bend to a direction gapped alignments corresponding to breach corresponding to unit as being positioned at odd bits saves and the unit being positioned at even bit save.
Further, please refer to Fig. 3, in the present embodiment, the breach corresponding to the breach corresponding to unit joint of odd bits and the unit of even bit save staggers and arranges (as staggering 90 degree).Also wire body can be made to be four groups, four groups of wire bodies are arranged around body 21 axle center, the setting and adjacent wires body group staggers (as staggering 90 degree) simultaneously.To stagger 90 degree, the swan-neck 20 shown in the present embodiment can towards four direction is bending up and down.
Further, please refer to Fig. 3,4 and 5, in the present embodiment, this wire body is caved inward by the partial sidewall 214 of body 21 and is formed.
Certainly, the wire body of this depression can be that after being slotted by the sidewall 214 of body 21, hot pressing or punching press are formed, or other forms are made.
Please refer to Fig. 4,5,6, the swan-neck 20 that the present embodiment one provides in use, first by wire body that linear driving member 30 (illustrate only single line shape driving member 30 in figure) is formed through sidewall 214, when needs are bending, pull linear driving member 30, the breach 211 of swan-neck 20 narrows, and can bend towards direction, linear driving member 30 place.
Whole swan-neck 20 can be the structure of integral type, and this structure manufacture is simple, and cost is low, and structure is simple, is convenient to sterilization, is also suitable for applying in disposable endoscope.
Embodiment two:
The present embodiment two provides a kind of swan-neck for endoscope.
Please refer to Fig. 7, the swan-neck 40 that the present embodiment two provides and the difference of embodiment one are that the structure of wire body is different.
The wire body that the present embodiment two provides is the short tube 421,422,423,424 with the integral molding of body 41.
This short tube includes but not limited to four groups.Short tube is formed by injection moulding or expressing technique.The spread configuration of short tube still can shown in reference example one.
Embodiment three
The present embodiment three provides a kind of endoscope, and this endoscope comprises a kind of swan-neck, and this swan-neck adopts the swan-neck as shown in embodiment one or two.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (10)
1. endoscope's swan-neck, is characterized in that, comprises body and wire body, described body and wire body one-body molded by resin material; Described body has some breach, and body is divided into some unit to save and is connected to the connecting portion between adjacent cells joint by described breach; At least corresponding breach of each unit joint, described unit saves along body axially-aligned and sorts successively by positive integer is ascending, wherein the breach corresponding to unit joint of odd bits is along body axially alignment mutually, and the breach corresponding to unit joint of even bit is along body axially alignment mutually; The inwall that described wire body is arranged at body forms the passage passed for linear driving member, described wire body is at least divided into one group, each wire body group comprises several wire bodies, and on the gapped alignments direction of odd bits unit joint and on the gapped alignments direction of even bit unit joint, correspondence is provided with wire body group.
2. endoscope as claimed in claim 1 swan-neck, it is characterized in that, described wire body is the short tube of the integral molding with body.
3. endoscope as claimed in claim 2 swan-neck, is characterized in that, described short tube is formed by injection moulding or expressing technique.
4. endoscope as claimed in claim 1 swan-neck, it is characterized in that, described wire body is caved inward by the partial sidewall of body and is formed.
5. endoscope as claimed in claim 4 swan-neck, is characterized in that, described wire body is formed by hot pressing or punching press after tube wall fluting.
6. the endoscope's swan-neck as described in any one of claim 1-5, is characterized in that, the breach that each unit joint is corresponding is two, and the part between two breach is connecting portion.
7. endoscope as claimed in claim 6 swan-neck, is characterized in that, the breach corresponding to the breach corresponding to unit joint of odd bits and the unit of even bit save staggers and arranges.
8. endoscope as claimed in claim 7 swan-neck, it is characterized in that, described wire body is four groups, and four groups of wire bodies are arranged around body axle center, the setting and adjacent wires body group staggers.
9. an endoscope, is characterized in that, comprising:
Swan-neck as described in any one of claim 1-7;
And linear driving member, described linear driving member is at least one, and described linear driving member is through the passage of swan-neck upper conductor body.
10. endoscope as claimed in claim 9, it is characterized in that, described linear driving member is four, and described wire body is four groups, and four groups of wire bodies are arranged around body axle center, and adjacent wires body group staggers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946003.9A CN105433895A (en) | 2015-12-16 | 2015-12-16 | Endoscope and curved tube thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946003.9A CN105433895A (en) | 2015-12-16 | 2015-12-16 | Endoscope and curved tube thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105433895A true CN105433895A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946003.9A Pending CN105433895A (en) | 2015-12-16 | 2015-12-16 | Endoscope and curved tube thereof |
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| Country | Link |
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| CN (1) | CN105433895A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174187A (en) * | 2017-04-12 | 2017-09-19 | 深圳开立生物医疗科技股份有限公司 | A kind of steel wire cord-fixing structure of achievable fast assembling-disassembling |
| CN107440668A (en) * | 2017-09-20 | 2017-12-08 | 敦朴光电(东莞)有限公司 | Endoscope and its insertion tube |
| CN109843147A (en) * | 2016-10-17 | 2019-06-04 | 诺华股份有限公司 | Scanning optical probe with flexure mechanism |
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| US5325845A (en) * | 1992-06-08 | 1994-07-05 | Adair Edwin Lloyd | Steerable sheath for use with selected removable optical catheter |
| CN101048101A (en) * | 2004-06-07 | 2007-10-03 | 诺瓦尔外科***公司 | Articulating mechanism with flex-hinged links |
| CN101325904A (en) * | 2005-12-09 | 2008-12-17 | 奥林巴斯株式会社 | Endoscope insertion portion, manufacturing method thereof |
| CN101541226A (en) * | 2007-04-11 | 2009-09-23 | 奥林巴斯株式会社 | Structure for connection between flexible tube for endoscope and annular connection member |
| CN205215168U (en) * | 2015-12-16 | 2016-05-11 | 李安 | Endoscope and bent pipe thereof |
-
2015
- 2015-12-16 CN CN201510946003.9A patent/CN105433895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5325845A (en) * | 1992-06-08 | 1994-07-05 | Adair Edwin Lloyd | Steerable sheath for use with selected removable optical catheter |
| CN101048101A (en) * | 2004-06-07 | 2007-10-03 | 诺瓦尔外科***公司 | Articulating mechanism with flex-hinged links |
| CN101325904A (en) * | 2005-12-09 | 2008-12-17 | 奥林巴斯株式会社 | Endoscope insertion portion, manufacturing method thereof |
| CN101541226A (en) * | 2007-04-11 | 2009-09-23 | 奥林巴斯株式会社 | Structure for connection between flexible tube for endoscope and annular connection member |
| CN205215168U (en) * | 2015-12-16 | 2016-05-11 | 李安 | Endoscope and bent pipe thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843147A (en) * | 2016-10-17 | 2019-06-04 | 诺华股份有限公司 | Scanning optical probe with flexure mechanism |
| CN107174187A (en) * | 2017-04-12 | 2017-09-19 | 深圳开立生物医疗科技股份有限公司 | A kind of steel wire cord-fixing structure of achievable fast assembling-disassembling |
| CN107440668A (en) * | 2017-09-20 | 2017-12-08 | 敦朴光电(东莞)有限公司 | Endoscope and its insertion tube |
| CN107440668B (en) * | 2017-09-20 | 2020-06-05 | 敦朴光电(东莞)有限公司 | Endoscope and insertion tube thereof |
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Application publication date: 20160330 |
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