CN209315828U - A kind of end can small angle deflection endoscope tube - Google Patents
A kind of end can small angle deflection endoscope tube Download PDFInfo
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- CN209315828U CN209315828U CN201820030881.5U CN201820030881U CN209315828U CN 209315828 U CN209315828 U CN 209315828U CN 201820030881 U CN201820030881 U CN 201820030881U CN 209315828 U CN209315828 U CN 209315828U
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- metal core
- endoscope tube
- small angle
- bendable portion
- core
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Abstract
The utility model relates to medical instruments field, especially a kind of end can small angle deflection endoscope tube.The built-in metal core Jing Guo pre-bending of the endoscope tube, the end of the endoscope tube is bendable portion, the hardness of the metal core is greater than the hardness of bendable portion, when metal core is located in bendable portion, bendable portion can be driven to generate 15 ° -45 ° of small angle deflection.Deflection control is realized by two ways: 1, metal core can be flexible up and down in endoscope tube, when never bendable portion enters bendable portion to metal core, bendable portion is driven to generate deflection；2, the external hardness of endoscope tube is greater than the casing of metal core, when casing is taken off from bendable portion, allows metal core that bendable portion is driven to generate deflection.The technical solution of the utility model can realize that endoscope tube end generates 15 ° -45 ° of small angle deflection, be more suitable the small sizes organ such as liver, gallbladder endoscope treatment and application.
Description
Technical field
The utility model relates to medical instruments field, especially a kind of end can low-angle bending endoscope tube.
Background technique
Endoscope is the comprehensive medical instrument with imaging sensor, optical lens, light source illumination, mechanical device, it
It can be entered in vivo with direct oral cavity or other notch, disease sites are observed, diagnose, sample or are cut off.It can using endoscope
Directly to reach patient part, the lesion that X-ray cannot be shown closely is observed, operation electric knife or laser knife can also
It is inserted into and is reached at sufferer by endoscope channel, be directly sampled patient part, treat or perform the operation excision.For example, by
Endoscope doctor can observe ulcer or tumour in stomach, make optimal therapeutic scheme accordingly.In application range, inside peep
Mirror can be used for checking the cavity communicated with the outside world, such as alimentary canal, respiratory tract, the urinary tract, can also be used to check closed body
Chamber, such as thoracic cavity, abdominal cavity, articular cavity.Outstanding feature using endoscope is that operative incision is small, and incisional scar is unobvious, postoperative
Response light, bleeding, livid purple and swelling time can greatly reduce, and restore also fast compared with traditional operation, in endoscope and particular procedure instrument
Under the auxiliary of device, tradition needs the operation of big notch, only subtle wound is needed to can be completed.Not only reduce the wound of operation
Property, it can also increase the accuracy and safety of operation, so that patient be made to greatly improve the acceptance level of operation.
Endoscope includes the compositions portions such as cold light source camera lens, flexible endoscope mirror tube, image delivering system, on-screen display system
Point, flexible endoscope mirror tube includes the parts such as leading end portion, bending section, insertion section, operation portion, and leading end portion is a bit of at hardness, dress
There are direct-viewing type, side view formula or strabismus formula camera, is used for observed object position；In order to enable camera to flexibly turn to, observe
The case where different parts, and exact patient part is searched out, bending section needs to realize flexibly bending.As shown in Figure 1, existing
The method that technology uses four steel wire tractions, it may be assumed that leading end portion head has four steel wires 11 to draw, and is connected to outside patient's body
Operation portion, the handwheel 22 of rotating operating unit can pull respectively corresponding steel wire 11 from direction up and down, make bending section to corresponding
Direction is swung, and realizes that camera is deflected to different directions, and the image of intake is transmitted through image delivering system, is displayed on the screen,
Operator answers rotation process handwheel according to the picture seen, until being adjusted to most appropriate position.
What above-described four steel wire traction methods generally reached is wide-angle deflection, i.e., deflection angle be usually 90 °-
210 °, it is relatively specific for the organ of the large volumes such as stomach, intestines, to the small sizes such as liver, gallbladder organ and is not suitable for, because of the limit of volume
System, the scope of activities of endoscope tube is smaller, and the deflection being usually only necessary within 45 ° can meet deflection needs, the prior art
Usually there is overregulation in deflection adjustment mechanism, it is not easy to the problem of being accurately adjusted in place.
Utility model content
Against the above deficiency, end provided by the utility model can low-angle bending endoscope tube, endoscope tube can be made
End generates 15 ° -45 ° of small angle deflection, the endoscopic applications suitable for the small sizes organ such as liver, gallbladder.
The technical solution of the utility model are as follows:
A kind of end can small angle deflection endoscope tube, the built-in metal core Jing Guo pre-bending of the endoscope tube is described
The end of endoscope tube is bendable portion, and the hardness of the metal core is greater than the hardness of bendable portion, when metal core is located at bendable
When in pars convoluta, bendable portion can be driven to generate 15 ° -45 ° of small angle deflection.
The endoscope tube is inflexibility portion except the other parts of bendable portion, and the hardness in the inflexibility portion is greater than
The hardness of metal core, the metal core can move axially inside endoscope tube, when never enter can for bendable portion for metal core
When bending section, bendable portion can be driven to generate small angle deflection.
It is cased with casing outside the endoscope tube, the hardness of described sleeve pipe is greater than the hardness of metal core, and described sleeve pipe can be
Axial movement outside endoscope tube, when casing is taken off from bendable portion, the metal core can drive bendable portion to generate small angle
Degree deflection.
It is characterized in that, the metal core is Ultimum Ti system.
The metal core cavity for accommodating metal core is provided in the endoscope tube body, endoscope tube operation end has
For the opening of metal core disengaging, the metal core can be extracted from opening insertion metal core cavity or from metal core cavity.
The metal core is core pipe, and the core pipe can be used for injection water or drug.
The caliber of the endoscope tube is 3mm, and the caliber of the core pipe is 1.6-1.7mm.
The metal core is core bar, and camera is arranged in the core bar end.
The caliber of the endoscope tube is 3mm, and the core bar is round bar, and bar diameter is 1.2-1.4mm.
The bendable portion length is 1-1.5cm.
The endoscope tube is multi-lumen tube, including the main chamber for being inserted into medical instrument and the secondary chamber for injecting liquid.
The utility model built-in metal core by pre-bending certain angle, end of endoscope tube in endoscope tube are hard
Degree is less than the bendable portion of metal core, the small angle deflection that metal core can drive bendable portion to generate 15 ° -45 °；Pass through two kinds of sides
Formula realizes deflection control: 1, metal core can be flexible up and down in endoscope tube, when never enter can for bendable portion for metal core
When bending section, bendable portion is driven to generate deflection；2, the external hardness of endoscope tube is greater than the casing of metal core, when casing is from bendable
When pars convoluta is taken off, allow metal core that bendable portion is driven to generate deflection.Preferably, in order to facilitate replacement different hardness or not
With the metal core of pre-bending degree, the metal core cavity for accommodating metal core is provided in endoscope tube body, operation end is equipped with
For the opening of metal core disengaging, metal core can be inserted or pull out from opening, convenient for replacing hardness according to actual deflection needs
Or the metal core that pre-bending degree is more suitable for, achieve the purpose that improve adjusting efficiency.
Detailed description of the invention
Fig. 1 is the end regulating mechanism schematic diagram of the endoscope tube of the prior art；
Fig. 2 is that endoscope tube is in straight configuration figure in the utility model one embodiment；
Fig. 3 is that endoscope tube is in small angle deflection state diagram in the utility model one embodiment；
Fig. 4 is that endoscope tube is in straight configuration figure in second embodiment of the utility model；
Fig. 5 is that endoscope tube is in small angle deflection state diagram in second embodiment of the utility model；
Fig. 6 is the utility model endoscope tube bendable portion end enlarged drawing 1；
Fig. 7 is the utility model endoscope tube bendable portion end enlarged drawing 2.
Specific embodiment
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
It should be pointed out that the bendable portion 12 of the utility model, inflexibility portion 13 are in contrast i.e. endoscope tubes
End need to realize the bending of certain angle, the disease for enabling camera be observed in human organ multi-facetedly, because
This, certain length of the endoscope from end is bendable portion 12, remaining is then inflexibility portion；And since endoscope tube needs
From outside, by inside of human body, arrive at affected organ in long and narrow, curved channel, tube body integrally all necessarily have it is certain can
Bendability and flexibility, for this angle, the entire tube body of endoscope tube is can be curved.
The end of the utility model can small angle deflection endoscope tube, the built-in metal core Jing Guo pre-bending of endoscope tube 10
11, the end of endoscope tube 10 is bendable portion 12, and 12 length of bendable portion is 1-1.5cm；The hardness of metal core 11 is greater than can
The hardness of bending section 12 can drive the small of 15 ° -45 ° of the generation of bendable portion 12 when metal core 11 is located in bendable portion 12
Angular deflection.
Endoscope tube 10 is multi-lumen tube, including the main chamber 15 for being inserted into medical instrument and the secondary chamber for injecting liquid
16.During surgery, main chamber 15 is for being inserted into operation electric knife or laser knife, and secondary chamber 16 is for being inserted into injection drug needle
Pipe fills the water directly from secondary chamber 16 to patient part, and the structure of multi-lumen tube makes not needing to take out replacement doctor in surgical procedure repeatedly
Instrument is treated, achievees the purpose that accelerate procedure, obtains better clinical effectiveness, reduces patient's pain.In order to realize metal core
11 can bend deformation repeatedly and restore as former state, and metal core 11 is Ultimum Ti system, and deforming degree can achieve ten million
It is secondary to be broken, and common alloy material deformation thousands of times will be broken.
In order to control whether 10 end of endoscope tube deflects, the utility model is realized by following two mode:
Be the first embodiment of the utility model with reference to Fig. 2-Fig. 3: endoscope tube 10 is except bendable portion 12 is other
Part is inflexibility portion 13, and the hardness in inflexibility portion 13 is greater than the hardness of metal core 11, and metal core 11 can be in endoscope tube
10 inside axial movements can drive bendable portion 12 to produce when never bendable portion 13 enters bendable portion 12 to metal core 11
Raw small angle deflection.
During endoscope tube 10 enters body interior via human oral cavity or notch by outside, it must ensure interior peep
The end of mirror tube 10 is straight, and from the manoeuvre portion being located at outside patient's body, metal core 11, which is pulled back, is reduced to inflexibility portion 13
Interior, bendable portion 12 is stretched under rigidity effect, or restores itself flexible and flexibility, can pass through patient
Throat, esophagus, stomach eventually arrive at liver and gallbladder region.Operator observes surrounding by the camera of 10 end of endoscope tube, in order to
10 end of endoscope tube where making camera precisely aligns at sufferer, and metal core 11 is pushed into bendable portion 12, pre-bending
Metal core 11 drives bendable portion 12 to generate small angle deflection；Operator rotates in outside adjusts metal core 11, makes to be located at bendable
The metal core 11 of pars convoluta 12 generates synchronous rotary, and bendable portion 12 is driven to generate synchronous rotary, and operator is helped to quickly find disease
Affected part position, and perform corresponding processing.
With reference to Fig. 4-Fig. 5, second of embodiment of the utility model is cased with casing 14, casing outside endoscope tube 10
14 hardness is greater than the hardness of metal core 11, and casing 14 can move axially outside endoscope tube 10, when casing 14 is from flexible
When portion 12 takes off, metal core 11 can drive bendable portion 12 to generate small angle deflection.
During endoscope tube 10 enters body interior via human oral cavity or notch by outside, it must ensure interior peep
The end of mirror tube 10 is straight, and package bendable portion 12 is advanced to from the manoeuvre portion being located at outside patient's body, by casing 14, can
Bending section 12 by casing 14 constraint and stretch, or restore casing 14 flexible and flexibility, patient can be passed through
Throat, esophagus, stomach eventually arrive at liver and gallbladder region.Operator observes surrounding by the camera of 10 end of endoscope tube, in order to
10 end of endoscope tube where making camera precisely aligns at sufferer, and casing 14 is returned to and does not wrap up bendable portion 12, outside
Portion's constraint disappears, and the metal core 11 of internal pre-bending drives bendable portion 12 to generate small angle deflection；Operator adjusts in outside rotation
Metal core 11 is saved, so that the metal core 11 positioned at bendable portion 12 is generated synchronous rotary, bendable portion 12 is driven to generate synchronous rotation
Turn, helps operator to quickly find patient part, and perform corresponding processing.
Further, metal core 11 is replaced for ease of operation, is provided in 10 body of endoscope tube for accommodating metal
The metal core cavity of core 11, endoscope tube 10, which operates end, has the opening passed in and out for metal core 11, and metal core 11 can be from opening
Insertion metal core cavity is extracted from metal core cavity.When the deflection angle that original metal core 11 drives bendable portion 12 to generate
In the case that degree is unsatisfactory for actual needs, operator takes out metal core 11 in which can be convenient, and replacement hardness, pre-bending degree are more suitable
The metal core 11 of conjunction, more quickly finds patient part convenient for operator.
Further, in order to more reasonably utilize metal core 11, have metal core 11 and bendable portion 12 is driven to deflect
The metal core 11 of other functions in addition, embodiment one and embodiment two can be scheme arranged below:
Scheme 1, metal core 11 are core pipe 111, and the caliber of endoscope tube 10 is usually 3mm, and the caliber of core pipe 111 is settable
For 1.6-1.7mm.Core pipe 111 can be used for injection water or drug.When core pipe 111 drives bendable portion 12 to deflect into patient part
Afterwards, water or drug are injected using 111 insertion instrument of core pipe or to patient part.
Scheme 2, metal core 11 are core bar 112, and camera 113 is arranged in 112 end of core bar.Core bar 112 is round bar, endoscope
The caliber of pipe 10 is usually 3mm hereinafter, 112 bar diameter of core bar may be configured as 1.2-1.4mm.When core bar 112 drives bendable portion 12
After deflecting into patient part, patient part is observed using the camera 113 of 112 end of core pipe and is accordingly adjusted.Such side
Case is more suitable for the lesser endoscope tube 10 of caliber, on the one hand, the bar diameter of core bar 112 is thinner, convenient for saving inside endoscope tube
Space；On the other hand, camera 113 is arranged in 112 end of core bar, it is other convenient for being arranged at remaining position of endoscope tube 10
Cavity improves the utilization rate of the limited accommodating space of endoscope tube, accelerates procedure efficiency.
Disclosed above is only the embodiments of the present invention, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think variation should all fall into the protection scope of the utility model.
Claims (10)
1. a kind of end can small angle deflection endoscope tube, which is characterized in that the endoscope tube (10) is built-in to pass through pre-bending
Metal core (11), the end of the endoscope tube (10) is bendable portion (12), and the hardness of the metal core (11) is greater than can
The hardness of bending section (12) can drive 15 ° of bendable portion (12) generation-when metal core (11) is located in bendable portion (12)
45 ° of small angle deflection.
2. a kind of end according to claim 1 can small angle deflection endoscope tube, which is characterized in that the endoscope
(10) are managed except the other parts of bendable portion (12) are inflexibility portion (13), the hardness of the inflexibility portion (13) is greater than gold
Belong to the hardness of core (11), the metal core (11) can move axially inside the endoscope tube (10), when metal core (11) is from can not
When bending section (13) enters bendable portion (12), bendable portion (12) can be driven to generate small angle deflection.
3. a kind of end according to claim 1 can small angle deflection endoscope tube, which is characterized in that the endoscope
It is cased with casing (14) outside pipe (10), the hardness of described sleeve pipe (14) is greater than the hardness of metal core (11), and described sleeve pipe (14) can
It is moved axially outside endoscope tube (10), when casing (14) is taken off from bendable portion (12), the metal core (11) can band
Dynamic bendable portion (12) generate small angle deflection.
4. a kind of end according to claim 2 or 3 can small angle deflection endoscope tube, which is characterized in that the gold
Belonging to core (11) is Ultimum Ti system.
5. a kind of end according to claim 2 or 3 can small angle deflection endoscope tube, which is characterized in that it is described in
The metal core cavity for accommodating metal core (11) is provided in sight glass pipe (10) body, endoscope tube (10), which operates end, has confession
The opening of metal core (11) disengaging, the metal core (11) can pull out from opening insertion metal core cavity or from metal core cavity
Out.
6. a kind of end according to claim 2 or 3 can small angle deflection endoscope tube, which is characterized in that the gold
Belonging to core (11) is core pipe (111), and the core pipe (111) can be used for injection water or drug.
7. a kind of end according to claim 6 can small angle deflection endoscope tube, which is characterized in that the endoscope
The caliber for managing (10) is 3mm, and the caliber of the core pipe (111) is 1.6-1.7mm.
8. a kind of end according to claim 3 can small angle deflection endoscope tube, which is characterized in that the metal core
It (11) is core bar (112) that camera (113) are arranged in core bar (112) end.
9. a kind of end according to claim 8 can small angle deflection endoscope tube, which is characterized in that the endoscope
The caliber for managing (10) is 3mm, and the core bar (112) is round bar, and bar diameter is 1.2-1.4mm.
10. a kind of end according to claim 2 or 3 can small angle deflection endoscope tube, which is characterized in that it is described can
Bending section (12) length is 1-1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030881.5U CN209315828U (en) | 2018-01-09 | 2018-01-09 | A kind of end can small angle deflection endoscope tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030881.5U CN209315828U (en) | 2018-01-09 | 2018-01-09 | A kind of end can small angle deflection endoscope tube |
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| Publication Number | Publication Date |
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| CN209315828U true CN209315828U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820030881.5U Active CN209315828U (en) | 2018-01-09 | 2018-01-09 | A kind of end can small angle deflection endoscope tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617732A (en) * | 2020-12-31 | 2021-04-09 | 上海澳华内镜股份有限公司 | Endoscope with variable hardness |
-
2018
- 2018-01-09 CN CN201820030881.5U patent/CN209315828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617732A (en) * | 2020-12-31 | 2021-04-09 | 上海澳华内镜股份有限公司 | Endoscope with variable hardness |
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