CN109938679A - Endoscope with protecting pipe - Google Patents
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- CN109938679A CN109938679A CN201910249454.5A CN201910249454A CN109938679A CN 109938679 A CN109938679 A CN 109938679A CN 201910249454 A CN201910249454 A CN 201910249454A CN 109938679 A CN109938679 A CN 109938679A
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Abstract
The present invention relates to a kind of medical endoscopes.A kind of endoscope with protecting pipe, including insertion section and operation portion, protecting pipe is socketed with outside insertion section, the front end of the protecting pipe is equipped with eyeglass, is equipped with guide lighting channel and image transmitting channel in the leading end portion of insertion section, light guide bundles are equipped in guide lighting channel, the front end of light guide bundles is equipped with diverging glass, diverging glass is located on the inside of eyeglass, and again by the lens reflecting of protecting pipe front end after dissipating glass, the light after reflection is located at outside image transmitting channel the light of light guide bundles.The present invention provides a kind of structure is simple, image imaging clearly effectively assists doctor to diagnose and perform the operation, and can effectively prevent the endoscope with disposable shield sleeve pipe of cross-infection；Solve endoscope existing in the prior art due to increase protecting pipe, cause to be imaged it is unclear, influence diagnosis and treatment the technical issues of.
Description
Technical field
The present invention relates to a kind of medical endoscopes, more particularly to the endoscope with protecting pipe.
Background technique
At present in medical field, Minimally Invasive Surgery inspection, diagnosis and treatment have been subjected to the height affirmative of industry, wherein medical
For endoscope as a member in Minimally Invasive Surgery instrument, it can go deep into patient's body, can more intuitively observe lesions position, diagnosis knot
Fruit is accurate, while small to injury of human, mitigates the pain of patient, and patient is allowed more preferably to restore faster.
Medical endoscope especially soft lens is equipped with imaging system inside it, passes the components such as illuminating apparatus, hydrophone channel,
Because it forms the particularity of components material and structure, do not allow to handle by traditional high temperature and high pressure steam sterilization.Mesh
The sterilization method that preceding hospital selects is medicining liquid dipping disinfection and low-temperature plasma sterilization, but medicining liquid dipping disinfection can not
Disinfection completely, especially as hydrophone channel interior there may be medicining liquid dipping less than place.And low-temperature plasma sterilization is then
Higher requirement itself proposes for endoscope, processing can there are different depths to endoscope using low-temperature plasma sterilization
Damage, according to incompletely statistics, hospital retracts in the endoscope reprocessed, and 30% endoscope is damaged because of sterilization processing
Bad.
Therefore, many endoscopes are outer all in accordance with there is sheath now, can be by the body of patient by installing disposable shield sleeve
Liquid, blood, organ-tissue etc. are isolated entirely from endoscope, and operation as part directly processing is abandoned, avoids interior after the completion
Sight glass disinfection is not exclusively or some stubborn bacterias are difficult to cross-infection caused by being killed.
Such as Chinese patent: " a kind of endoscope (CN201520840333.5) with disposable protective jacket ", including control
Portion and insertion section, the insertion section are coated with disposable protective jacket；Disposable shank set is equipped in the disposable protective jacket
Pipe, disposable shank casing is interior to place shank, and shank is connected with control unit；The rear end of the once property protective jacket is opening
End, front end are equipped with heat-insulation transparent cover；The radial direction of the heat-insulation transparent cover and disposable protective jacket is inclined to set.But it is above-mentioned
The heat-insulation transparent cover of structure guard leading end will affect image definition, to influence surgical effect.
Summary of the invention
The present invention provides a kind of structure is simple, image imaging clearly effectively assists doctor to diagnose and perform the operation, and
It can effectively prevent the endoscope with disposable shield sleeve pipe of cross-infection；Solve endoscope existing in the prior art due to
Increase protecting pipe, cause to be imaged it is unclear, influence diagnosis and treatment the technical issues of.
The present invention additionally provides that a kind of safety is good simultaneously, and the stable support of hose is good, facilitates the endoscope of operation；Solution
Determined it is existing in the prior art transparent component is installed in guard leading end, be easy to fall off, the support of the hose of the insertion section of endoscope
Effect is bad, it has not been convenient to be inserted into the technical problems such as sheath.
Above-mentioned technical problem of the invention is solved by following technical proposals: the endoscope with protecting pipe, including
Insertion section and operation portion are socketed with protecting pipe outside insertion section, and the front end of the protecting pipe is equipped with eyeglass, in insertion section
Leading end portion be equipped with guide lighting channel and image transmitting channel, light guide bundles are installed in guide lighting channel, the front end installation of light guide bundles
There is diverging glass, diverging glass is located on the inside of eyeglass, and the light of light guide bundles is after dissipating glass again by the mirror of protecting pipe front end
Piece reflection, the light after reflection are located at outside image transmitting channel.The light guide bundles of transmitting light, hair are installed in the leading end portion of endoscope
Glass and imaging sensor etc. are dissipated, the light that light source issues passes through the conduction of light guide bundles, using diverging glass, by light by setting
The dispersion angle of meter dissipates, and to illuminate check point, imaging sensor receives the image for illuminating position, passes after being converted into electric signal
It is presented to display.In operational use, endoscope leading end portion is close to the high lenticular sheet of sheath leading end portion, is opening equipment
Afterwards, light is through dissipating glass, in penetrating excessively high lenticular sheet, has sub-fraction light through high lenticular sheet end face reflection, hair
Light after penetrating is located at outside image transmitting channel, to the light of diverging will not be entered in imaging sensor, so that imaging effect
Fruit is good, and clarity is high, effectively doctor is helped to carry out diagnosing and treating.Meanwhile can also have in the eyeglass of the front end of sheath installation
A possibility that effect prevents pollutant from entering in endoscope, reduces cross-infection.Protecting pipe, Ke Yiyou are installed outside endoscope
Effect prevents cross-infection, and endoscope does not need to carry out disinfection again, reduces cost, improve service life.
Preferably, the necessary all standing of light of the diverging glass after diverging is tested the channel of distance L, as a result, Wherein, L is sheath leading end portion at a distance from inspection target, and S is to check target institute
In circular diameter, d is guide-lighting beam diameter, and d1 is the off-centered lateral distance of light guide bundles, and d2 is the off-centered longitudinal direction of light guide bundles
Distance；It is located at the requirement outside image transmitting channel according to transmitting light, as a result, Htan (β/2) n < D/2, D is diverging glass
For glass at a distance from the edge in image transmitting channel, H is the thickness of the eyeglass in guard leading end portion, and n is the eyeglass of guard leading end
Refractive index, above-mentioned parameter L, D, S, H, n, d, d1, d2 need to be chosen to be datum according to practical operation, to obtain divergence angle beta.
After the parameter needed according to actual diagnosis process choosing oneself, the size of the angle of divergence can be calculated, so that selection is not
Same diverging glass realizes the removal of light evil.Clear effect is good, and image effect is good.
Preferably, the insertion section includes insertion tube and interconnecting piece, interconnecting piece includes outer connector and interior connector,
The outer connector is connected with protecting pipe, and the interior connector is connected with operation portion.The end construction of insertion tube can be simultaneously
Realize the connection with sheath and operation portion, structure is simple.Outer connector is connected through a screw thread with protecting pipe.
More preferably, the interior connector is anti-bending structure, and the anti-bending structure includes jacket body, sheath
Body is located at outside insertion tube, and bending spring is equipped in jacket body, bends spring between insertion tube and jacket body, and described inserts
Enter and is equipped with stainless steel wire in pipe.The component of endoscope insertion part and leading end portion as insertion patient's human body, pursues always function
Direction more complete, that insertion tube is more soft is developed, with the development of science and technology, imaging sensor, light source, soft pincers etc. can be accomplished
Very small, this has made the insertion tube of protection and guiding role, also becomes thin, its external diameter accomplishes within 3mm that this is right at present
More stringent requirements are proposed for insertion tube, and outer diameter is thinner, and tube wall is thinner, this also results in insert tube of endoscope, and there are wind easy to break
Danger.
In operative process, insert tube of endoscope is inserted into human body, and with human body cavity migration itself, insertion tube itself is gathered around
Have curved flexible and is hardly damaged.But in the position that insertion tube is connect with endoscope handle, be insertion tube flexibility with
The position of the stiffness transition of operation portion is analyzed according to the transmitting of power, and insertion tube is easily bent and damaged by this position, so, this
Place needs an anti-bending structure.There is stainless steel wire to inlay in the shape of a spiral in the tube wall of insertion tube, effect is to increase bending resistance energy
Power plays a supportive role to tube wall, and tube wall is made to be not easy to flatten and bend.Increase rigidity simultaneously.To slotting after packed and transported and operation
After the bending for entering pipe, and restore plumbness.
More preferably, it is equipped with insertion tube passage and hydrophone channel in the protecting pipe, is inserted into tube passage and hydrophone is logical
Road is parallel to each other, and the eyeglass is integrally formed in the front end of insertion tube passage.Hydrophone channel is the channel leaked water with instrument.
The high transparency mirror plate layers of front end are made with two cavities by integrated molding technology, and old product leading end portion is omitted and is glued admittedly
The process for changing eyeglass, saves artificial cost, saves the handover cured time, improves production efficiency.It can guarantee simultaneously high saturating
Mirror plate layers and the perfection of insert tube of endoscope cavity seal, it is positioned by high-precision equipment, and position is accurate, solid and reliable.And it protects
Set leading end portion is as the component directly contacted with patient body fluid etc., if eyeglass is mounted on leading end portion head end using adhesive technology,
This for glue nontoxicity, be glued that reliability requirements are all high, and if any careless, eyeglass falls off would be possible in inside of human body
Jeopardize patient vitals.
Preferably, the cross section of the insertion tube passage is special-shaped hole shape, the profiled holes include a circle
Cambered surface, the two sides of arc surface are vertical plane, and two vertical planes reconnect a horizontal plane by circular arc.Insert tube of endoscope channel
It is designed using the profiled holes of half of circular arc, compared to the cavity for section being full circle, the special-shaped wheel of irregularly-shaped hole and insert tube of endoscope
Exterior feature is consistent, and can play the role of guiding, prevents insert tube of endoscope from cavity inward turning transferring that endoscope is caused to can not find direction.
Preferably, water passage and instrument channel are combined into one by the hydrophone channel, the cross section in hydrophone channel
For special-shaped hole shape, the profiled holes include an arc surface, and the two sides of arc surface are vertical plane, and two vertical planes pass through circle
Arc reconnects a horizontal plane.Water passage and instrument channel are combined into one into a hydrophone channel, when in use, cooperation three
Channel female Luer can be realized instrument and note, water suction in operation requirement and share.The insert tube of endoscope for being inserted into human body is thinner
It is small, to the damage of patient with regard to smaller, postoperative recovery faster, so, separated compared to water passage and instrument channel, channel is closed
Two is compact for one design structure, can accomplish insertion tube more tiny.The section in hydrophone channel uses the abnormity of half of circular arc
Hole design, is compared and completely circular structure, its main feature is that the water flowing in periphery gap is empty whens being inserted into laser beam or instrument etc. in cavity
Between it is bigger.
Preferably, one end of the protecting pipe is equipped with hydrophone channel entrance and insertion tube channel entrance, the water
Acute angle is equipped between device channel entrance and insertion tube channel entrance, channel is arc-shaped at hydrophone channel entrance.In medical operating
In, endoscope is often configured with Bladder stone, soft pincers, calculus catching net-like means etc. and is used cooperatively, these accessories are all semi-soft material, can be with
As flexible endoscope is bent insertion in the natural cavity of human body, but, such curved limited angle of instrument, as promise is bent
Angle too small is then easy folding bad instrument.Hydrophone channel entrance of the invention is process by high-accuracy mold injection, protecting pipe one
Body molding making, hydrophone channel entrance inner wall smooth are no to splice caused step gap.It is designed using orthodrome, instrument exists
It, can be and smaller for the damage of instrument in more smooth insertion channel when being inserted into channel.
Preferably, the protecting pipe is disposable multichannel tube body.Sheath is disposably can be whole
It abandons, reduces cost, guarantee the multiple normal use of endoscope.
Therefore, the endoscope with protecting pipe of the invention has following advantages: structure is simple, can effectively prevent light evil
It generates, improves the effect of imaging, doctor is helped to carry out accurate diagnosing and treating；The high lenticular sheet in guard leading end portion passes through note
Modeling is integrally formed with sheath, and safety is good, the anti-bending structure of insertion section junction, improves the rigidity of endoscope, support effect
Fruit is good.
Detailed description of the invention
Fig. 1 is the seperated schematic diagram of the endoscope with protecting pipe of the invention.
Fig. 2 is the eyeglass scheme of installation of leading end portion and casing front end in Fig. 1.
Fig. 3 is the end view of Fig. 2.
Fig. 4 is the schematic cross-sectional view of Fig. 1 inner sheath pipe.
Fig. 5 is the insertion tube channel cross-section figure in the protecting pipe in Fig. 1.
Fig. 6 is the hydrophone channel cross-section figure in the protecting pipe in Fig. 1
Fig. 7 is enlarged cross-sectional view at A in Fig. 1.
Fig. 8 is enlarged cross-sectional view at B in Fig. 1.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment:
As shown in Figure 1, the endoscope of protecting pipe, including sequentially connected leading end portion 9, insertion section 8 and operation portion 6 are had,
Operation handle 5 is installed on operation portion 6.Protecting pipe 2 is socketed with outside insertion section 8, it is logical that one end of protecting pipe is provided with hydrophone
Road import 3 and insertion tube channel entrance 4 are equipped with eyeglass 7 in the front end of protecting pipe 1, eyeglass 7 with a thickness of 0.1-3mm.
As shown in Fig. 2, the leading end portion in insertion section 8 is equipped with guide lighting channel and image transmitting channel, pacify in guide lighting channel
Equipped with light guide bundles 12, the front end of light guide bundles 12 is equipped with diverging glass 11, and diverging glass 11 is located at 7 inside of eyeglass, light guide bundles 12
Light after dissipating glass again by the lens reflecting of protecting pipe front end, form divergence angle beta.Image transmitting is equipped in channel
Imaging sensor 10.
As shown in figure 3, the necessary all standing of light of the diverging glass 11 after diverging is tested the channel of distance L, as a result, Wherein, L is sheath leading end portion at a distance from inspection target, and S is to check target institute
In circular diameter, d is guide-lighting beam diameter, and d1 is the off-centered lateral distance of light guide bundles, and d2 is the off-centered longitudinal direction of light guide bundles
Distance；It is located at the requirement outside image transmitting channel according to transmitting light, as a result, Htan (β/2) n < D/2, D is diverging glass
For glass at a distance from the edge in image transmitting channel, H is the thickness of the eyeglass in guard leading end portion, and n is the eyeglass of guard leading end
Refractive index, above-mentioned parameter L, D, S, H, n, d, d1, d2 need to be chosen to be datum according to practical operation, so that divergence angle beta is obtained,
By the suitable diverging glass of numerical value selection of divergence angle beta, the removal of light evil is realized.
As shown in Figure 4 and 5 and 6, tube passage 13 and hydrophone channel 14,7 note of eyeglass are inserted into parallel being disposed in protecting pipe 2
Modeling is molded over the front end of insertion tube passage 13.The cross section for being inserted into tube passage 13 is special-shaped hole shape, and profiled holes include one
Arc surface, the two sides of arc surface are vertical plane, and two vertical planes reconnect a horizontal plane by circular arc.Hydrophone channel 14 will lead to
Aquaporin is combined into one with instrument channel, and the cross section in hydrophone channel 14 is also special-shaped hole shape.
As shown in fig. 7, forming acute angle, hydrophone between the hydrophone channel entrance 3 and insertion tube channel entrance 4 of protecting pipe one end
Channel is arc-shaped at channel entrance 3.Designed using orthodrome, instrument 15 when being inserted into channel, can in more smooth insertion channel,
And it is smaller for the damage of instrument 15.
As shown in figure 8, insertion section includes insertion tube 18 and interconnecting piece, interconnecting piece includes outer connector 16 and interior connector,
Outer connector 16 is connected with protecting pipe by screw thread, and interior connector is connected with operation portion 6.Interior connector is anti-bending structure, is prevented
Bending structure includes jacket body 17, and jacket body 17 is located at outside insertion tube 18, and bending spring 19 is equipped in jacket body 17, bends bullet
Spring 19 has stainless steel wire 20 to inlay in the shape of a spiral, effectively between insertion tube 18 and jacket body 17 in the tube wall of insertion tube 18
It prevents stress to concentrate, improves bend resistance ability.
Claims (9)
1. having the endoscope of protecting pipe, including insertion section and operation portion, protecting pipe is socketed with outside insertion section, feature exists
In: the front end of the protecting pipe is equipped with eyeglass, is equipped with guide lighting channel and image transmitting channel in the leading end portion of insertion section,
Light guide bundles are installed in guide lighting channel, the front end of light guide bundles is equipped with diverging glass, and diverging glass is located on the inside of eyeglass, guide-lighting
For the light of beam again by the lens reflecting of protecting pipe front end after dissipating glass, the light after reflection is located at image transmitting channel
Outside.
2. the endoscope according to claim 1 with protecting pipe, it is characterised in that: light of the diverging glass after diverging
The necessary all standing of line is tested the channel of distance L, as a result,Wherein, L is that sheath is first
At a distance from inspection target, S is to check circular diameter where target for end, and d is leaded light beam diameter, and d1 is that light guide bundles are off-centered
Lateral distance, d2 are the off-centered fore-and-aft distance of light guide bundles；It is located at the requirement outside image transmitting channel according to transmitting light, by
This, Htan (β/2) n < D/2, D are diverging glass at a distance from the edge in image transmitting channel, and H is guard leading end portion
Eyeglass thickness, n be guard leading end eyeglass refractive index, above-mentioned parameter L, D, S, H, n, d, d1, d2 are according to practical operation
It needs to be chosen to be datum, to obtain divergence angle beta.
3. the endoscope according to claim 1 with protecting pipe, it is characterised in that: the insertion section includes insertion tube
And interconnecting piece, interconnecting piece include outer connector and interior connector, the outer connector is connected with protecting pipe, the interior connection
Body is connected with operation portion.
4. the endoscope according to claim 3 with protecting pipe, it is characterised in that: the interior connector is anti-bending
Structure, the anti-bending structure include jacket body, and jacket body is located at outside insertion tube, and bending spring is equipped in jacket body, curved
Spring is rolled between insertion tube and jacket body, and stainless steel wire is equipped in the insertion tube.
5. the endoscope according to any one of claims 1 to 4 with protecting pipe, it is characterised in that: the sheath
It is equipped with insertion tube passage and hydrophone channel in pipe, is inserted into tube passage and hydrophone channel is parallel to each other, the eyeglass is integrally formed
In the front end of insertion tube passage.
6. the endoscope according to claim 5 with protecting pipe, it is characterised in that: described is inserted into the transversal of tube passage
Face is special-shaped hole shape, and the profiled holes include an arc surface, and the two sides of arc surface are vertical plane, and two vertical planes pass through
Circular arc reconnects a horizontal plane.
7. the endoscope according to claim 5 with protecting pipe, it is characterised in that: the hydrophone channel leads to water flowing
Road is combined into one with instrument channel, and the cross section in hydrophone channel is special-shaped hole shape, and the profiled holes include an arc surface,
The two sides of arc surface are vertical plane, and two vertical planes reconnect a horizontal plane by circular arc.
8. the endoscope according to any one of claims 1 to 4 with protecting pipe, it is characterised in that: the sheath
One end of pipe is equipped with hydrophone channel entrance and insertion tube channel entrance, the hydrophone channel entrance and insertion tube channel entrance it
Between be equipped with acute angle, channel is arc-shaped at hydrophone channel entrance.
9. the endoscope according to any one of claims 1 to 4 with protecting pipe, it is characterised in that: the sheath
Pipe is disposable multichannel tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249454.5A CN109938679B (en) | 2019-03-29 | 2019-03-29 | Endoscope with protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249454.5A CN109938679B (en) | 2019-03-29 | 2019-03-29 | Endoscope with protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109938679A true CN109938679A (en) | 2019-06-28 |
| CN109938679B CN109938679B (en) | 2023-07-25 |
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ID=67013017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910249454.5A Active CN109938679B (en) | 2019-03-29 | 2019-03-29 | Endoscope with protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109938679B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112168124A (en) * | 2020-10-16 | 2021-01-05 | 张驰 | Foreign body measuring system of digestive endoscopy |
| CN113647887A (en) * | 2021-08-18 | 2021-11-16 | 湖南省华芯医疗器械有限公司 | Outer sleeve, endoscope and recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112168124A (en) * | 2020-10-16 | 2021-01-05 | 张驰 | Foreign body measuring system of digestive endoscopy |
| CN112168124B (en) * | 2020-10-16 | 2023-09-05 | 张驰 | Digestive endoscope foreign matter measurement system |
| CN113647887A (en) * | 2021-08-18 | 2021-11-16 | 湖南省华芯医疗器械有限公司 | Outer sleeve, endoscope and recovery method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109938679B (en) | 2023-07-25 |
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