CN110051316A - Endoscope and its insertion head end - Google Patents
Endoscope and its insertion head end Download PDFInfo
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- CN110051316A CN110051316A CN201910441358.0A CN201910441358A CN110051316A CN 110051316 A CN110051316 A CN 110051316A CN 201910441358 A CN201910441358 A CN 201910441358A CN 110051316 A CN110051316 A CN 110051316A
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- 238000003780 insertion Methods 0.000 title claims abstract description 40
- 230000037431 insertion Effects 0.000 title claims abstract description 40
- 238000005406 washing Methods 0.000 claims abstract description 29
- 230000002262 irrigation Effects 0.000 claims abstract description 22
- 238000003973 irrigation Methods 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 108091006146 Channels Proteins 0.000 claims description 50
- 230000007704 transition Effects 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 102000010637 Aquaporins Human genes 0.000 claims description 10
- 108010063290 Aquaporins Proteins 0.000 claims description 9
- 238000001574 biopsy Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 28
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000002674 endoscopic surgery Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001575 pathological effect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/015—Control of fluid supply or evacuation
-
- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- 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
- A61B1/12—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 with cooling or rinsing arrangements
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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 present invention provides a kind of endoscope and its insertion head ends, and insertion head end includes head end main body, camera and ejection section.Head end main body end face offers camera mounting hole and lens washing hole, camera is arranged at camera mounting hole, ejection section protrudes outward integrated molding close to the position in lens washing hole by the end face of head end main body, which is equipped with jet port towards the side of camera.Liquid or gas in irrigation channel can be sprayed by the jet port of ejection section towards camera, to remove the foreign matter on camera lens surface, guarantee the accuracy and clarity of camera shooting image.The ejection section and head end main body are integrally formed, while reinforcing being inserted into head end overall structural strength, additionally it is possible to avoid ejection section by being detached from head end main body, guarantee the normal use of ejection section and remove the filth on cam lens；Ejection section and head end main body integrally connected can also prevent ejection section in surgical procedure from losing in human body simultaneously, it is ensured that the safety of endoscopic surgery.
Description
Technical field
The present invention relates to field of medical device, in particular to a kind of endoscope and its insertion head end.
Background technique
Endoscope is a kind of common medical instrument, is generally grouped by bendable portion, light source part and camera lens part
At.In use, the notch that endoscope is formed through human body natural hole or underwent operative enters patient's body.Endoscope imports to be detected
Organ after, doctor can directly pry through the lesion situation of region of interest.
In use, the surface of camera head of end is easily adhered some opaque body fluid or blood to endoscope, leads
It causes the image of camera shooting smudgy or can not normally shoot image at all, to influence the inspection effect of organ lesion
Fruit.
Currently, be usually that fountain head is set in the end of endoscope, it will be on camera lens to camera water spray by fountain head
Foreign matter remove.The fountain head is the end for being formed by metal winding pipe, then being bonded and fixed to endoscope.For such endoscope,
Although the fountain head of its end can remove the filth on camera, which is easy to fall off from the end of endoscope,
The normal use of endoscope is not only influenced, but also biggish risk can be caused to operation.
Summary of the invention
Easy to fall off it is an object of the invention to solve endoscope end fountain head in the prior art, influencing endoscope normally makes
With the problem of causing greater risk to operation.
In order to solve the above technical problems, the present invention provides a kind of insertion head end of endoscope, including head end main body, camera
And ejection section, its end face of head end main body offer camera mounting hole and lens washing hole, the inside of the head end main body is set
There is the irrigation channel for liquid or gas circulation, the irrigation channel is connected to the lens washing hole；Camera is arranged in institute
It states at camera mounting hole, ejection section protrudes outward one close to the position in the lens washing hole by the end face of the head end main body
It is body formed；The inside of the ejection section is equipped with spray chamber, which is equipped with jet port towards the side of the camera, described
Jet port is connected to via the spray chamber with the lens washing hole.
Optionally, the ejection section includes transition seat and attachment cap, and the both ends open and inner hollow of the transition seat should
One end of transition seat and the head end main body, which are integrally formed, to be connected；The attachment cap is integrated outward by the other end of the transition seat
Extend, the attachment cap is closed at one end far from the transition seat, to be enclosed the spray chamber with the transition seat；Institute
It states transition seat and offers the jet port towards the side of the camera.
Optionally, the chamfered setting of all side edges of the attachment cap, the connection of the transition seat and the head end main body
Locate arc-shaped setting.
Optionally, the jet port is slot, the width direction one of the extending direction of the jet port and the ejection section
It causes, the center of the jet port is opposite with camera mounting hole center.
Optionally, the irrigation channel includes the first circulation section being connected and the second circulation section, the second circulation section
It is arranged close to the lens washing hole, the internal diameter of the first circulation section is greater than the internal diameter of the second circulation section.
Optionally, it is also provided with instrument channel hole on the end face of the head end main body, the inside of the head end main body is equipped with device
Tool channel；The instrument channel is connected to the instrument channel hole, which is used to install the biopsy forceps of the endoscope.
Optionally, the center in the instrument channel hole, the center of the camera mounting hole and the head end bulk end
The center in face is located along the same line.
Optionally, pair being also provided on the end face of the head end main body and sending water hole, the inside of the head end main body, which is equipped with, send water
Channel, it is described that aquaporin is sent to send water hole to be connected to the pair.
Optionally, the center that the pair send water hole to be symmetricly set on the instrument channel hole with the ejection section is taken the photograph with described
As the two sides of the head mounting hole line of centres.
Optionally, the lens washing hole, the camera mounting hole, the instrument channel hole and the pair send water hole
Integrated injection molding is in the head end main body.
Optionally, the end face of the head end main body is transparent, and the insertion head end further includes light source component, the light source component setting
It is arranged in the inside of head end main body, and close to the camera.
The present invention also provides a kind of endoscopes, described including extension and the operating parts that described extension one end is arranged in
Endoscope further includes above-mentioned insertion head end, and the end that the extension deviates from the operating parts is arranged in the insertion head end.
As shown from the above technical solution, the invention has the benefit that
In endoscope of the present invention and its insertion head end, liquid or gas in irrigation channel can by the jet port of ejection section
To spray towards camera, to remove the foreign matter on camera lens surface, guarantee the accuracy and clarity of camera shooting image.The spray
It penetrates portion and head end main body is integrally formed, while reinforcing being inserted into head end overall structural strength, additionally it is possible to avoid ejection section by head
It is detached from the main body of end, guarantees the normal use of ejection section and remove the filth on cam lens；Ejection section and head end master simultaneously
Body integrally connected can also prevent ejection section in surgical procedure from losing in human body, it is ensured that the safety of endoscopic surgery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of endoscope embodiment of the present invention；
Fig. 2 is the structural schematic diagram that head end is inserted into endoscope shown in FIG. 1；
Fig. 3 is another structural schematic diagram of insertion head end shown in Fig. 2；
Fig. 4 be it is shown in Fig. 3 insertion head end along A-A to schematic cross-sectional view；
Fig. 5 is the structural schematic diagram that head end end face is inserted into endoscope shown in FIG. 1；
Fig. 6 is the schematic cross-sectional view along B-B direction of insertion head end shown in fig. 5.
The reference numerals are as follows: 100, endoscope；10, it is inserted into head end；11, head end main body；11a, main part；11b, company
Socket part；111, camera mounting hole；112, lens washing hole；113, irrigation channel；113a, the first circulation section；113b, second
Logical section；114, grafting arm；115, instrument channel hole；116, instrument channel；117, pair send water hole；118, aquaporin is sent；12, it sprays
Portion；12a, transition seat；12b, attachment cap；121, spray chamber；122, jet port；13, camera；14, light source component；15, wiring board；
20, extension；30, operating parts.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
Refering to fig. 1, one embodiment of the application provides a kind of endoscope 100, can be used for observing the disease of human body intracorporeal organ
Become situation.The endoscope 100 of the present embodiment includes insertion head end 10, extension 20 and operating parts 30, wherein insertion head end 10
The both ends of extension 20 are separately positioned on operating parts 30.
In the present embodiment, extension 20 in a tubular form, can be arbitrarily bent.Endoscope 100 when in use, is inserted into head end 10
Enter inside of human body together with extension 20, medical staff then passes through manipulation operating parts 30, realizes to extension 20 and insertion head
The control at end 10, to obtain the image of inside of human body diseased region.
Refering to Fig. 2 to Fig. 6, the insertion head end 10 of the present embodiment includes head end main body 11, camera 13 and ejection section 12.
Wherein, head end main body 11 is to be inserted into the main part 11a point of head end 10, is used for the assembly of functional component, and is used for and extension
20 connections.Camera 13 is mounted in head end main body 11, is used for the shooting of position image to be detected.Ejection section 12 and head end master
Body 11 is integrally formed, and is mainly used for the cleaning on 13 camera lens surface of camera.
Specifically, the end face of head end main body 11 offers camera mounting hole 111 and lens washing hole 112.Head end main body
11 inside is equipped with the irrigation channel 113 to circulate for liquids and gases, which is connected to lens washing hole 112.It takes the photograph
It is mounted at the camera mounting hole 111 of head end main body 11 as first 13.Ejection section 12 leans on portrait attachment by the end face of head end main body 11
The position of flushing hole 112 protrudes outward integrated molding, and the inside of the ejection section 12 is equipped with spray chamber 121, and ejection section 12 towards
The side of camera 13 is equipped with jet port 122, and jet port 122 is connected to through spray chamber 121 with lens washing hole 112.
In actual use, the camera lens surface of camera 13 is easy residual some opaque body fluid or blood, meeting
The image for causing camera 13 to shoot is smudgy, or can not take the image at position to be detected at all.Medical staff at this time
Liquid can be made to enter in the spray chamber 121 of ejection section 12 by irrigation channel 113, and by spraying by manipulating operating parts 30
Mouth 122 is sprayed towards camera 13, to wash off the filth on camera lens surface, guarantees 13 normal photographing of camera position to be detected
Image.
Liquid for rinsing 13 camera lens of camera can be physiological saline, can also be the other kinds of liquid such as pure water
Body, as long as such liquid can wash away camera lens filth, and to no damage to human body.In addition, irrigation channel 113 can also be for
Gas circulation can further remove the liquid adhered on camera lens, guarantee camera lens surface by spraying gas to camera 13
It is clean.
Further, the head end main body 11 of the present embodiment is column construction, transversal rounded.The head end main body 11 includes
Main part 11a is arranged in close to one end of extension 20 in main part 11a and interconnecting piece 11b, interconnecting piece 11b.Interconnecting piece 11b's is outer
Diameter is less than the outer diameter of main part 11a, to form step-like structure in the side of head end main body 11.
The step-like structure is used to cooperate with extension 20, so that insertion head end 10 is connected and fixed with extension 20.In addition,
Main part 11a extends to form grafting arm 114 towards interconnecting piece 11b at step-like structure, and grafting arm 114 is matched with extension 20
It closes, to be further ensured that the stability being inserted into head end 10 and connecting with extension 20.
As shown in Figures 2 to 4, the end face of head end main body 11 offers camera mounting hole 111, camera mounting hole 111
It is rounded, it is used for assembly of the camera 13 in head end main body 11.After camera 13 is mounted on camera mounting hole 111, take the photograph
As first 13 camera lens surface is concordant with the end face of head end main body 11.
Lens washing hole 112 is also provided on the end face of head end main body 11, lens washing hole 112 is arranged in camera installation
The side in hole 111.Lens washing hole 112 is connected to the irrigation channel 113 inside head end main body 11, to be used in 13 mirror of camera
The liquid outflow that primary drying is washed.In the present embodiment, the ejection section 12 of head end main body 11 is located at lens washing hole 112, by head
The end face of end main body 11 protrudes outward integrated molding.
Specifically, the ejection section 12 of the present embodiment includes transition seat 12a and attachment cap 12b.Wherein, the two of transition seat 12a
End opening and inner hollow, one end of transition seat 12a and head end main body 11, which are integrally formed, to be connected.Attachment cap 12b is then by transition
Seat 12a the other end integrally extend outward, attachment cap 12b is closed at one end far from transition seat 12a's, with transition seat
12a is enclosed spray chamber 121.
In the present embodiment, transition seat 12a is equipped with opening towards the side of camera 13, to form the injection of ejection section 12
Mouth 122.The jet port 122 is connected to by spray chamber 121 with lens washing hole 112, to make the liquid inside irrigation channel 113
It can be sprayed from jet port 122.
Ejection section 12 and head end main body 11 are integrally formed, while reinforcing being inserted into 10 overall structural strength of head end, moreover it is possible to
It enough avoids ejection section 12 by being detached from head end main body 11, guarantees the normal use of ejection section 12 and remove on 13 camera lens of camera
It is filthy；Ejection section 12 and 11 integrally connected of head end main body can also prevent ejection section 12 in surgical procedure from losing in human body simultaneously, really
Protect the safety that endoscope 100 is performed the operation.
Further, in the present embodiment, the outer profile of attachment cap 12b is in subtriangular, and vertex is in fall to be arranged,
To avoid endoscope 100 when in use attachment cap 12b side scratch human body, and can effectively reduce insertion head end 10 into
Enter resistance when human body, guarantees going on smoothly for the operation of endoscope 100.
It should be noted that the outer profile of attachment cap 12b can also be to be round, rectangular and irregular figure etc., as long as
The chamfered setting of all side edges of attachment cap 12b, enables the insertion head end 10 of endoscope 100 to can smoothly enter into inside of human body,
And human body will not be damaged.
For the transition seat 12a of the present embodiment, what the end direction connecting with head end main body 11 was connect with attachment cap 12b
The other end is in the trend of tapered bore.Such setting can be such that the transient liquid pressure entered in spray chamber 121 increases, so as to
The foreign matter on wide scouring camera lens surface.
In addition, the arc-shaped setting in junction of transition seat 12a and head end main body 11, so that transition seat 12a and inside of human body
It is in round and smooth contact between channel, avoids the accidental injury in surgical procedure, guarantees validity and safety that endoscope 100 is performed the operation
Property.
Jet port 122 is offered on the transition seat 12a of the present embodiment, the center of the jet port 122 and camera mounting hole
111 center of circle is opposite so that jet port 122 can large area correspond to the lens area of camera 13, guarantee that jet port 122 sprays
Liquid can effectively rinse the filth on camera lens, guarantee that camera 13 being capable of normal use.
In the present embodiment, the height of jet port 122 is less than or equal to 0.35mm.The height of jet port 122 is smaller, can make
The liquid sprayed by jet port 122 is in high pressure conditions, so that the scouring force on liquid wash camera lens surface increases, to effectively go
Except the foreign matter on 13 surface of camera, guarantee that endoscope 100 accurately and effectively shoots the image at position to be detected.
Further, as shown in Figure 3 and Figure 4, jet port 122 is connected to by spray chamber 121 with lens washing hole 112, should
Lens washing hole 112 is connected to irrigation channel 113, so that the liquid in irrigation channel 113 be enable to be sprayed by jet port 122.
In the present embodiment, irrigation channel 113 includes the first circulation section 113a being connected and the second circulation section 113b.Wherein, second
The section 113b that circulates is arranged close to lens washing hole 112.
The internal diameter of the circular in cross-section of the first circulation section 113a of the present embodiment, first circulation section 113a is greater than second
The internal diameter of circulation section 113b.Such setting can be such that the fluid pressure for entering the second circulation section 113b by the first circulation section 113a increases
Greatly, so that liquid just has biggish pressure before entering spray chamber 121, so that effectively improving liquid washes away camera lens surface
Scouring force.
In the present embodiment, the cross section semicircular in shape of the second circulation section 113b, so that the outer profile in lens washing hole 112
For semicircle.Length of the length of second circulation section 113b less than the first circulation section 113a, so that in the first circulation section 113a
The liquid of aggregation can generate biggish pressure in the first circulation section 113a, and high liquid is still able to maintain at lens washing hole 112
Pressure, effectively to remove the foreign matter on camera lens surface.
In 100 surgical procedure of endoscope, when 13 camera lens surface adhesion foreign matter of camera, medical staff manipulates operating parts 30,
Liquid enters irrigation channel 113.When entering the second circulation section 113b by the first circulation section 113a, liquid gradually pressurizes.Pressure
Liquid after increase is entered in spray chamber 121 by lens washing hole 112, and under the block of attachment cap 12b, the pressure of liquid is into one
Step increases, and is sprayed by jet port 122 towards camera 13.The liquid integral pressure of ejection is larger, can cover camera lens surface
All areas guarantee shooting image clarity with higher to remove the filth on camera 13.
Further, as shown in Fig. 2, being also provided with instrument channel hole 115 on the end face of head end main body 11, the head end main body
11 inside is additionally provided with instrument channel 116.Instrument channel hole 115 is connected to instrument channel 116, and instrument channel 116 and flushing are logical
Road 113 is mutually indepedent, which is used to install the biopsy forceps of endoscope 100.
After endoscope 100 reaches diseased region, medical staff can manipulate the biopsy in instrument channel 116 by operating parts 30
Pincers, stretch out biopsy forceps by instrument channel hole 115, and clamp the Pathologic specimen taken at diseased region, in order to which medical staff is in disease
Trouble in vitro tests and analyzes Pathologic specimen.
In the present embodiment, the outer profile in instrument channel hole 115 is circle.The center of circle in the instrument channel hole 115, camera
The center of circle of 11 end face of the center of circle and head end main body of mounting hole 111 is located along the same line.Such setting can make medical staff
Shooting image by camera 13 just can accurately determine the position that biopsy forceps pincers take sample, guarantee that Pathologic specimen obtains accurate
Property.
In addition, being also provided with pair on the end face of the present embodiment head end main body 11 send water hole 117.The inside of the head end main body 11
Equipped with aquaporin 118 is sent, aquaporin 118 is sent to send water hole 117 to be connected to pair.
Send aquaporin 118 that can be connected with irrigation channel 113, it can also be mutually indepedent.Send aquaporin 118 inside feed flow
Body circulation, liquid are flowed out by water outlet, for rinsing position to be detected.
The pair of the present embodiment send water hole 117 and ejection section 12 is symmetricly set on 115 center of circle of instrument channel hole and camera is pacified
Fill the two sides of 111 circle center line connecting of hole.Such setting can while guaranteeing that ejection section 12 and 13 relative position of camera are arranged,
It effectively utilizes the insertion limited end face space layout instrument channel hole 115 of head end 10 and pair send water hole 117, so that insertion head end
Each functional component on 10 is arranged to more effectiveization and rationalizes.
In the present embodiment, it is integrally protruded outward in addition to ejection section 12 by the end face of head end main body 11 other than forming, camera lens
Flushing hole 112, camera mounting hole 111, instrument channel hole 115 and pair send water hole 117 to be integrally formed in head end main body 11
On, and aquaporin 118, i.e. head end integrally formed with irrigation channel 113, instrument channel 116 and are sent in the inside of head end main body 11
Main body 11 is the structure of single injection-molded.
Such setting can simplify the molding technique of head end main body 11, head end main body 11 and 12 one-pass molding of ejection section, make
It is integrally formed easy to operate to be inserted into head end 10, is not necessarily to multiple assembly manipulation, to reduce insertion head end 10 and endoscope 100
Production cost.
Refering to Fig. 5 and Fig. 6, in the present embodiment, the end face of head end main body 11 is transparent.The insertion head end 10 of the present embodiment is also
Including light source component 14, the inside of head end main body 11 is arranged in light source component 14, and arranges close to camera 13.
The light source component 14 of the present embodiment is LED, can provide illumination for camera 13, camera 13 is made to clap captured image
It is more clear, the case where convenient for medical staff's clear diseased region.In the present embodiment, there are two light source component 14 is set, two light
Source part 14 is separately positioned on the two sides of camera 13, to reinforce brightness of illumination.
In addition, the inside of the head end main body 11 of the present embodiment is additionally provided with wiring board 15, wiring board 15 is electrically connected with light source component 14
It connects.
When in use, medical staff manipulates the control of operating parts 30 insertion head end 10 and extends the endoscope 100 of the present embodiment
Part 20 enters inside of human body, the image of the available diseased region behind position to be detected of camera 13, and medical staff passes through
Image can operate biopsy forceps and obtain Pathologic specimen.If 13 camera lens surface of camera makes the image mould of transmission because adhering to foreign matter
When paste, medical staff can be such that liquid is entered in spray chamber 121 by irrigation channel 113 by manipulating operating parts 30, and by spraying
Mouth 122 is sprayed towards camera 13, to remove the filth on camera lens surface.In addition, by pair send water hole 117 water outlet can make to
Detection position is rinsed.
Endoscope for the present embodiment and its insertion head end, the spray that liquid or gas in irrigation channel pass through ejection section
Loophole can be sprayed towards camera, to remove the foreign matter on camera lens surface, guarantee the accuracy of camera shooting image and clear
Property.The ejection section and head end main body are integrally formed, while reinforcing being inserted into head end overall structural strength, additionally it is possible to avoid spraying
Portion is guaranteed the normal use of ejection section and is removed the filth on cam lens by being detached from head end main body；Simultaneously ejection section with
Head end main body integrally connected can also prevent ejection section in surgical procedure from losing in human body, it is ensured that the safety of endoscopic surgery.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (12)
1. a kind of insertion head end of endoscope characterized by comprising
Head end main body, end face offer camera mounting hole and lens washing hole, and the inside of the head end main body is equipped with feed flow
Body or the irrigation channel of gas circulation, the irrigation channel are connected to the lens washing hole；
Camera is arranged at the camera mounting hole；
Ejection section protrudes outward integrated molding close to the position in the lens washing hole by the end face of the head end main body；It is described
The inside of ejection section be equipped with spray chamber, the ejection section towards the camera side be equipped with jet port, the jet port via
The spray chamber is connected to the lens washing hole.
2. insertion head end according to claim 1, which is characterized in that the ejection section includes transition seat and attachment cap, institute
The both ends open and inner hollow of transition seat are stated, one end of the transition seat and the head end main body, which are integrally formed, to be connected；
The attachment cap is integrally extended outward by the other end of the transition seat, and the attachment cap is far from the transition seat
It is closed at one end, to be enclosed the spray chamber with the transition seat；The transition seat is offered towards the side of the camera
The jet port.
3. insertion head end according to claim 2, which is characterized in that the chamfered setting of all side edges of the attachment cap,
The arc-shaped setting in junction of the transition seat and the head end main body.
4. insertion head end according to claim 1, which is characterized in that the jet port is slot, which prolongs
Stretch that direction is consistent with the width direction of the ejection section, the center of the jet port is opposite with camera mounting hole center.
5. insertion head end according to claim 1, which is characterized in that the irrigation channel includes the first circulation being connected
Section and the second circulation section, the second circulation section are arranged close to the lens washing hole, and the internal diameter of the first circulation section is greater than
The internal diameter of the second circulation section.
6. insertion head end according to claim 1, which is characterized in that be also provided with instrument on the end face of the head end main body
The inside of access opening, the head end main body is equipped with instrument channel；The instrument channel is connected to the instrument channel hole, and the instrument is logical
Road is used to install the biopsy forceps of the endoscope.
7. insertion head end according to claim 6, which is characterized in that the center in the instrument channel hole, the camera
The center of the center of mounting hole and head end main body end face is located along the same line.
8. insertion head end according to claim 7, which is characterized in that be also provided with pair on the end face of the head end main body and send
Water hole, the inside of the head end main body, which is equipped with, send aquaporin, described that aquaporin is sent to send water hole to be connected to the pair.
9. insertion head end according to claim 8, which is characterized in that the pair send water hole and the ejection section to be symmetrical arranged
In the center in the instrument channel hole and the two sides of the camera mounting hole line of centres.
10. insertion head end according to claim 9, which is characterized in that the lens washing hole, camera installation
Hole, the instrument channel hole and the pair send water hole integrated injection molding in the head end main body.
11. insertion head end according to claim 1, which is characterized in that the end face of the head end main body is transparent, the insertion
Head end further includes light source component, and the inside of head end main body is arranged in the light source component, and arranges close to the camera.
12. a kind of endoscope, including extension and the operating parts that described extension one end is arranged in, which is characterized in that in described
Sight glass further includes the insertion head end as described in claim 1-11 any one, and the insertion head end setting is carried on the back in the extension
End from the operating parts.
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| CN201910441358.0A CN110051316B (en) | 2019-05-24 | 2019-05-24 | Endoscope and insertion head thereof |
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| CN201910441358.0A CN110051316B (en) | 2019-05-24 | 2019-05-24 | Endoscope and insertion head thereof |
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| CN110051316B CN110051316B (en) | 2024-03-26 |
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| CN111012292A (en) * | 2019-12-25 | 2020-04-17 | 岱川医疗(深圳)有限责任公司 | Endoscope, insertion tip, and method for manufacturing insertion tip |
| CN113747822A (en) * | 2019-09-30 | 2021-12-03 | Hoya株式会社 | Endoscope and outer tube |
| CN116211415A (en) * | 2023-01-04 | 2023-06-06 | 湖南众智精诚医疗科技有限公司 | Continuous visual puncture equipment |
| CN116370730A (en) * | 2023-06-06 | 2023-07-04 | 杭州莱恩瑟特医疗技术有限公司 | Drainage device, endoscope, and cleaning method for endoscope |
| CN117137422A (en) * | 2023-10-24 | 2023-12-01 | 杭州鑫泽源医疗科技有限公司 | Endoscope |
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|---|---|
| CN110051316B (en) | 2024-03-26 |
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