CN109349989B - Multifunctional hard endoscope for ear - Google Patents
Multifunctional hard endoscope for ear Download PDFInfo
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- CN109349989B CN109349989B CN201811501572.2A CN201811501572A CN109349989B CN 109349989 B CN109349989 B CN 109349989B CN 201811501572 A CN201811501572 A CN 201811501572A CN 109349989 B CN109349989 B CN 109349989B
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- negative pressure
- demisting
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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
- A61B1/227—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 for ears, i.e. otoscopes
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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
- A61B1/00064—Constructional details of the endoscope body
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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
- A61B1/00131—Accessories for endoscopes
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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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00195—Optical arrangements with eyepieces
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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
- A61B1/04—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
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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
- A61B1/06—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 illuminating arrangements
- A61B1/0661—Endoscope light sources
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/006—Ear cleaners, e.g. curettes
Abstract
The invention discloses a multifunctional ear hard endoscope which comprises an objective lens part, an eyepiece lens part, an imaging adapter, an illumination adjusting connecting part, a negative pressure defogging part and a negative pressure adsorption needle body, wherein the objective lens part, the eyepiece lens part and a camera shooting mechanism are used for shooting, and in the shooting process, the negative pressure defogging part is used, the level of the negative pressure defogging part is arranged at the side of the front end of an outer lens tube towards the front end of a suction tube, so that water vapor in a human body can be adsorbed into the negative pressure defogging tube, and then the water vapor is discharged into a collecting bottle through a first rubber hose at the rear end of the negative pressure defogging tube, and the defogging purpose is achieved. When carrying out image shooting, adjust the light control piece through the knob, light control piece and knob meshing are connected, rotate the knob in the time, carry out the rotation of small range to the light control piece. Utilize the negative pressure to adsorb the filthy thing of needle body in to the ear and adsorb the clearance, after the operation is accomplished, medical personnel pass through the joint portion, locate the needle groove with the syringe needle main part, prevent to accidentally injure other people.
Description
Technical Field
The invention relates to the technical field of ear examination equipment, in particular to a multifunctional ear rigid endoscope.
Background
Currently, in otology clinical practice, frontal endoscopy, electric otoscope, and rigid endoscope are commonly used for examination.
Frontal and electric otoscopes have the following disadvantages:
1. the viewing angle is limited;
2. the ear part has a fine structure, and the vision of the lesion part cannot be amplified for diagnosis and treatment;
3. the observed situation cannot be imaged in the form of a digitized image.
The prior art rigid endoscope comprises an inner endoscope tube, an outer endoscope tube, an imaging system and an illuminating system. The inner lens tube is arranged in the outer lens tube. The external lens tube is connected with the imaging system and the lighting system and is a part inserted into the auditory canal. An image is captured using the lens. Specifically, an imaging element such as a CCD is incorporated in the tip of an insertion unit in which an endoscope is inserted into a body cavity, an image of the inside of the body cavity is captured, then signal processing is performed on the image by a processor device, and the signal processing is displayed on a monitor. The structure of the lesion of the ear is imaged at a scale-up, the doctor observes the image, and the diagnosis is performed using the image. However, the rigid endoscope has the following disadvantages:
1. fogging: because hard endoscope belongs to the metal texture, surface temperature reduces after enzyme liquid, antiseptic soak, and the human body has the body temperature, and after hard endoscope got into the duct, the hot vapor in duct liquefaction that meets cold condenses on the lens surface into the dribble, looks like white fog under the refraction effect of light, and influences and diagnose, and traditional solution has: taking out the endoscope, wiping the endoscope by an iodophor or an alcohol cotton ball, and then re-entering the auditory canal for use, wherein when the endoscope enters the auditory canal again, a fog layer is still formed after the endoscope is used for a short time; secondly, before use, the endoscope is soaked in physiological saline (the soaking solution cannot be reused) at about thirty ℃ for a plurality of minutes, the surface temperature of the endoscope is equivalent to the body temperature, then the endoscope enters a human body for observation, and the physiological saline needs to be heated and replaced in time, so that diagnosis and treatment are complicated; and thirdly, the antifogging agent is used, but the price is high and the use cost is high.
2. The conditions of the auditory canals of different patients (particularly postoperative patients) are different, so that the refraction imaging effect of light is different, the imaging quality is directly influenced, the brightness is too low, and the image color is dark and unclear; the brightness is too high causing overexposure of the image. Therefore, for different angles and different in-ear conditions, during inspection, brightness adjustment needs to be performed according to inspection requirements to capture an optimal image. However, the conventional adjustment key of the hard endoscope light source is arranged on the host, so that an operator cannot adjust the adjustment key at any time in the operation process, the operation needs to be stopped, diagnosis and treatment are started again after the adjustment key is adjusted according to experience, and sometimes the adjustment key cannot be adjusted to the required brightness at one time, so that great inconvenience is brought to the diagnosis and treatment.
Disclosure of Invention
The invention aims to provide a multifunctional ear hard endoscope which can quickly remove fog at the head of the endoscope and conveniently and freely adjust the illumination brightness, so that a captured image is clear, the use is convenient, the examination time is saved, and the working efficiency is improved.
The technical scheme adopted by the invention is as follows:
a multifunctional hard endoscope for ear comprises an objective part, an eyepiece part, an imaging adapter, an illumination adjusting connecting part, a negative pressure defogging part and a negative pressure adsorption needle body, wherein the objective part comprises an objective, an inner lens tube and an outer lens tube, the inner lens tube is sleeved outside the objective without a gap, the outer lens tube is sleeved outside the inner lens tube with a gap, the front end of the outer lens tube is a shooting head, a gap between the inner lens tube and the outer lens tube forms a linear cavity, and a light guide fiber is arranged in the linear cavity; the eyepiece part comprises an outer shell and an eyepiece arranged in the outer shell, the rear end part of the outer lens tube extends into the front end part of the outer shell and is in butt joint with the eyepiece, a through line groove is arranged between the outer shell and the lower end surface of the eyepiece, and the lower end of the through line groove is fixed with an illumination adjusting connecting part; the imaging adapter connector is butted with a camera connecting wire connector; the lighting adjusting connecting part comprises an outer barrel, a light ray adjusting sheet and a knob, wherein a groove is formed in the side wall of the outer barrel, the light ray adjusting sheet is horizontally arranged, part of the light ray adjusting sheet is arranged in the outer barrel, and is positioned outside the outer barrel through the groove, the light ray adjusting sheet is meshed with the knob and is connected with the lower end of the outer barrel; the negative pressure demisting part comprises a negative pressure demisting pipe and a first rubber hose, the front end of the negative pressure demisting pipe is provided with a demisting head, the rear end of the negative pressure demisting pipe is provided with a connector, the negative pressure demisting pipe is arranged on the outer wall of the outer mirror pipe, the demisting head of the negative pressure demisting pipe is arranged beside the front end of the outer mirror pipe, and the rear end of the negative pressure demisting pipe is connected with the first rubber hose; the negative pressure adsorption needle body is clamped on the outer shell through the clamping part.
The line cavity is positioned at the lower part in the outer lens tube, and the right end of the line cavity is communicated with the upper end of the through line groove.
The front end of shell body be equipped with the socket, the inside of shell body is equipped with interior mirror tube draw-in groove and eyepiece fixed chamber, the central axis of objective and eyepiece is on same straight line.
The outer barrel comprises an upper connecting barrel, an oval middle barrel, side barrels and a lower connecting barrel which are sequentially formed from top to bottom, the central axes of the upper connecting barrel, the oval middle barrel, the side barrels and the lower connecting barrel are on the same straight line, the upper end of the upper connecting barrel is fixed with the lower end of the through line groove, the right side of the oval middle barrel is provided with a notch, the communicated side barrels are arranged at positions corresponding to the notch, the upper frame and the lower frame of the notch are symmetrically provided with an upper limiting groove and a lower limiting groove respectively, a vertical shaft is arranged between the upper limiting groove and the lower limiting groove, and the vertical shaft penetrates through the center of the light adjusting sheet; the light ray adjusting sheet is provided with a plurality of light transmitting areas, the light transmitting areas are sequentially connected end to form a snake shape which is changed from thin to thick, the light transmission of the light transmitting areas is sequentially enhanced, and the light ray adjusting sheet is partially positioned in the oval middle cylinder and partially positioned in the side cylinder; the side cylinder is internally provided with a knob, the right side of the side cylinder is provided with a window, the part of the knob protrudes out of the window, and the knob is fixed with the upper wall and the lower wall of the side cylinder through a fixing shaft.
The negative pressure demisting pipe comprises a horizontal straw and a vertical straw, the outer wall of the horizontal straw is tightly attached and fixed with the outer wall of the outer lens pipe, the front end side of the outer lens pipe is arranged at the front end of the horizontal straw, the rear end of the horizontal straw is communicated with the lower end of the vertical straw, an annular clamping groove is formed in the outer wall of the upper end of the vertical straw, and an annular clamping ring matched with the inner wall of the end part of the first rubber hose is arranged.
The negative pressure adsorption needle body comprises a needle head main body, a needle head pipe and a connecting seat which are integrally formed in sequence, wherein the rear two thirds of the needle head main body is horizontal, the front one third and the rear two thirds of the needle head main body are inclined, and the included angle is 150-160 degrees.
Joint portion be cubic, the lower terminal surface and the shell body up end of joint portion are fixed, be equipped with the level on the up end of joint portion and set up, the penetrating card needle groove in both ends, the card needle inslot is located to the syringe needle main part.
The negative pressure demisting device utilizes the objective lens part, the eyepiece lens part and the camera shooting mechanism to shoot and shoot, and utilizes the negative pressure demisting part, the front end of the horizontal suction pipe of the negative pressure demisting part is arranged beside the front end of the outer lens pipe, so that water vapor in a human body can be adsorbed into the negative pressure demisting pipe, and then the water vapor is discharged into the collecting bottle through the first rubber hose at the rear end of the negative pressure demisting pipe, thereby achieving the aim of demisting. When carrying out image shooting, the angle is different, and the luminance that the head needs is also different to shoot, and this moment, adjust the light adjustment piece through the knob, light adjustment piece and knob meshing are connected, when rotating the knob, carry out the rotation of small range to the light adjustment piece. When the rotation of light adjustment piece small-amplitude is carried out, be equipped with a plurality of light transmission areas on the light adjustment piece, light transmission area end to end connection forms the snakelike by the thin thickening in proper order, and the light transmissivity in light transmission area strengthens in proper order, so, can carry out the brightness control of many gears, satisfies the shooting luminance requirement of different situation. The negative pressure adsorption needle body is used for adsorbing and cleaning filth in the ear, and due to the structure of the auditory canal, the front end part is inclined so as to facilitate the medical personnel to stretch the negative pressure adsorption needle body into the ear for operation. After the operation is completed, the medical staff passes through the clamping part, and the needle head main body is arranged in the needle clamping groove to prevent from accidentally injuring other people.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the objective lens portion of the present invention;
FIG. 3 is a cross-sectional view of the illumination adjustment connection of the present invention;
FIG. 4 is a top plan view of the oval middle tube, side tube, light adjustment tab and knob engagement of the present invention;
FIG. 5 is a schematic view of the structure of the negative pressure adsorption needle body of the present invention;
FIG. 6 is a schematic view of the present invention in a configuration of docking with a camera connector;
fig. 7 is a schematic cross-sectional view of the outer housing of the present invention.
Detailed Description
As shown in fig. 1 and 2, the present invention comprises an objective part, an eyepiece part, an imaging adapter joint 8, an illumination adjustment connection part, a negative pressure defogging part and a negative pressure adsorption needle body, wherein the objective part comprises an objective 1, an inner lens tube 2 sleeved outside the objective 1 without a gap, and an outer lens tube 3 sleeved outside the inner lens tube 2 with a gap, the front end of the outer lens tube 3 is a shooting camera, a gap between the inner lens tube 2 and the outer lens tube 3 forms a linear cavity, and a light guide fiber 4 is arranged in the linear cavity; the thread cavity is positioned at the lower part in the outer lens tube 3, and the right end of the thread cavity is communicated with the upper end of the thread through groove 7.
The eyepiece part comprises an outer shell 5 and an eyepiece 6 arranged in the outer shell 5, the rear end part of the outer lens tube 3 extends into the front end part of the outer shell 5 and is butted with the eyepiece 6, a through wire groove 7 is arranged between the outer shell 5 and the lower end surface of the eyepiece 6, and the lower end of the through wire groove 7 is fixed with an illumination adjusting connecting part; as shown in fig. 7, the front end of the outer shell 5 is provided with a socket 51, an inner lens tube slot 52 and an eyepiece fixing cavity 53 are arranged inside the outer shell 5, and the central axes of the objective lens 1 and the eyepiece 6 are on the same straight line.
The imaging adapter connector 8 is in butt joint with the camera connecting wire connector 19.
As shown in fig. 3-4, the lighting adjustment connecting portion includes an outer cylinder 9, a light ray adjusting sheet 10 and a knob 11, a slot is formed on a side wall of the outer cylinder 9, the light ray adjusting sheet 10 is horizontally disposed, a part of the light ray adjusting sheet 10 is disposed in the outer cylinder 9, a part of the light ray adjusting sheet is located outside the outer cylinder 9 through the slot, the light ray adjusting sheet 10 is engaged with the knob 11, and a lower end of the outer cylinder 9 is used for connecting a lighting mechanism; the outer cylinder 9 comprises an upper connecting cylinder 91, an oval middle cylinder 92, a side cylinder 93 and a lower connecting cylinder 94 which are sequentially formed from top to bottom, the central axes of the upper connecting cylinder 91, the oval middle cylinder 92, the side cylinder 93 and the lower connecting cylinder 94 are on the same straight line, the lower connecting cylinder 94 is connected with the lighting connector 20, the upper end of the upper connecting cylinder 91 is fixed with the lower end of the through line groove 7, the right side of the oval middle cylinder 92 is provided with a groove, the communicated side cylinder 93 is arranged at the position corresponding to the groove, the upper frame and the lower frame of the groove are respectively and symmetrically provided with an upper limiting groove 95 and a lower limiting groove 96, a vertical shaft 97 is arranged between the upper limiting groove 95 and the lower limiting groove 96, and the vertical shaft 97 penetrates through the center of the light adjusting sheet 10; the light ray adjusting sheet 10 is provided with a plurality of light transmission areas A, the light transmission areas A are sequentially connected end to form a snake shape which is changed from thin to thick, the light transmission of the light transmission areas A is sequentially enhanced, and part of the light ray adjusting sheet 10 is positioned in the oval middle cylinder 92 and part of the light ray adjusting sheet is positioned in the side cylinder 93; the side cylinder 93 is internally provided with a knob 11, the right side of the side cylinder 93 is provided with a window 98, part of the knob 11 protrudes out of the window 98, and the knob 11 is fixed with the upper wall and the lower wall of the side cylinder 93 through a fixing shaft 99.
The negative pressure demisting part comprises a negative pressure demisting pipe and a first rubber hose 12, the front end of the negative pressure demisting pipe is provided with a demisting head, the rear end of the negative pressure demisting pipe is provided with a connector, the negative pressure demisting pipe is arranged on the outer wall of the outer mirror pipe 3, the demisting head of the negative pressure demisting pipe is arranged beside the front end of the outer mirror pipe 3, and the rear end of the negative pressure demisting pipe is connected with the first rubber hose 12; the negative pressure demisting pipe comprises a horizontal straw 13 and a vertical straw 14, the outer wall of the horizontal straw 13 is tightly attached and fixed with the outer wall of the outer lens tube 3, the front end of the horizontal straw 13 is arranged at the side of the front end of the outer lens tube 3, the rear end of the horizontal straw 13 is communicated with the lower end of the vertical straw 14, the outer wall of the upper end of the vertical straw 14 is provided with an annular clamping groove 141, and the inner wall of the end part of the first rubber hose 12 is provided with a matched annular clamping ring 121.
As shown in fig. 5, the negative pressure suction needle body is clamped on the outer shell 5 through the clamping part 18. The negative pressure adsorption needle body comprises a needle head main body 15, a needle head tube 16 and a connecting seat 17 which are integrally formed in sequence, wherein the rear two thirds 152 of the needle head main body 15 are horizontal, the front one third 151 and the rear two thirds 152 are inclined, and the included angle is 150-160 degrees. Joint portion 18 be cubic, the lower terminal surface of joint portion 18 is fixed with shell body 5 up end, be equipped with the level on the up end of joint portion 18 and set up, the penetrating card needle groove in both ends, syringe needle main part 15 is located the card needle inslot.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
During normal use, the whole endoscope needs to be disinfected in advance before use. During disinfection, the first rubber hose 12 needs to be detached, the negative pressure adsorption needle body needs to be detached, and then disinfection treatment is carried out. After the disinfection, connect 8 and camera attach fitting butt joints through the formation of image adaptation, as shown in fig. 6, can see out through the exploded view of fig. 6, the formation of image adaptation connects 8 and camera attach fitting can dismantle through cup jointing the cooperation and be connected, and the formation of image adaptation connects 8 embedding camera attach fitting inside, dismantles simple to operate, the disinfection of being convenient for. Meanwhile, the first rubber hose 12 is installed, and after the installation is completed, the inspection operation can be performed.
When the outer tube 3 of the endoscope extends into the external ear, because water vapor exists in the human body, and simultaneously, because the temperature of the human body is higher than that of the endoscope, the temperature difference enables the surface layer of the mirror surface to be easily condensed with water vapor, and a fog layer is formed. Because this device has set up negative pressure defogging portion, the negative pressure defogging pipe includes level to straw 13 and vertical straw 14, the level is closely laminated fixedly to the outer wall of straw 13 and the outer wall of outer mirror tube 3, the level is located outer mirror tube 3 front end side to the front end of straw 13, can adsorb into the negative pressure defogging pipe with the vapor in the human body, the collection bottle is discharged to the first flexible rubber hose 12 of the rear end of rethread negative pressure defogging pipe, thereby reach the purpose of defogging. Wherein, the rear end of the horizontal straw 13 is communicated with the lower end of the vertical straw 14, and is integrally formed with the outer lens tube 3, and the rear end of the horizontal straw is made of stainless steel, the outer wall of the upper end of the vertical straw 14 is provided with an annular clamping groove 141, and the inner wall of the end part of the first rubber hose 12 is provided with an annular clamping ring 121 matched with the inner wall of the end part of the first rubber hose. The cooperation of the annular clamping groove 141 and the annular clamping ring 121 enables the first rubber hose 12 and the vertical suction pipe 14 to be conveniently detached.
When carrying out image shooting, the angle is different, and the luminance that the head needs is also different to shoot, and at this moment, adjust light adjustment sheet 10 through knob 11, light adjustment sheet 10 and knob 11 meshing are connected, rotate knob 11 the time, carry out the rotation of small range to light adjustment sheet 10. The rotation principle is as follows: the fluting is seted up on oval middle cylinder 92's right side, and the symmetry is equipped with respectively on the slotted upper and lower frame and goes up spacing groove 95 and spacing groove 96 down, goes up spacing groove 95 and spacing groove 96 down and is located slotted most convex point position, and is equipped with vertical axis 97 between upper spacing groove 95 and spacing groove 96 down, and light adjustment piece 10 center is worn to establish by vertical axis 97, and light adjustment piece 10 uses vertical axis 97 as the support, rotates. The length of the minor axis of the oval middle cylinder 92 is slightly larger than the radius of the light ray adjusting sheet 10, and meanwhile, a communicated side cylinder 93 is arranged at the position corresponding to the slotted position, so that the light ray adjusting sheet 10 can rotate in the oval middle cylinder 92 and the side cylinder 93. Secondly, a window 98 is provided on the right side of the side tube 93, a part of the knob 11 protrudes out of the window 98, and the knob 11 is fixed to the upper and lower walls of the side tube 93 by a fixing shaft 99, so that a user can give external power by contacting the knob 11 with fingers. When the light adjustment sheet 10 rotates in a small range, as shown in fig. 4, 5 light transmission regions a are arranged on the light adjustment sheet 10, the light transmission regions a are sequentially connected end to form a snake shape (specifically, a U shape) which is thickened from thin to thick, and the light transmission of the light transmission regions a is sequentially enhanced, as shown in fig. 4, the light transmission holes of the first light transmission region a-1 are dense, the first light transmission region a-1 is thin and gradually, the light transmission hole density is reduced, the area of the light transmission region is also increased, the last region a-5 is completely free of shielding, the light transmission is strongest, the brightness is highest, and the light adjustment sheet rotates again to reach a state that the illumination is turned off, namely, an initial state. Therefore, the brightness adjustment of multiple gears can be carried out, and the shooting brightness requirements of different conditions are met.
Meanwhile, the negative pressure adsorption needle body is used for adsorbing and cleaning filth in the ear, and the back two thirds of the needle head main body 15 is horizontal, the front one third and the back two thirds are inclined, the included angle range can be selected from 150 degrees to 160 degrees, and due to the structure reason of the auditory canal, the front end part is inclined so as to facilitate the medical personnel to stretch the negative pressure adsorption needle body into the ear for operation. After the operation is finished, the medical staff passes through the clamping part 18, and the needle head main body 15 is arranged in the needle clamping groove to prevent accidentally injuring other people. The lower end face of joint portion 18 is fixed with shell body 5 up end, is equipped with the level on the up end of joint portion 18 and sets up, the penetrating card needle groove in both ends, and syringe needle main part 15 is located the card needle inslot.
The negative pressure adsorption needle body and the negative pressure gas introduced by the negative pressure demisting part are connected through a three-way pipe, the gas outlet of the three-way pipe is connected with the negative pressure device of the detection chamber, and the other two ports of the three-way pipe are respectively connected with the negative pressure adsorption needle body and the negative pressure demisting part.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A multi-functional hard endoscope of ear which characterized in that: the endoscope comprises an objective part, an eyepiece part, an imaging adapter joint, an illumination adjusting connecting part, a negative pressure demisting part and a negative pressure adsorption needle body, wherein the objective part comprises an objective, an inner lens tube and an outer lens tube, the inner lens tube is sleeved outside the objective without a gap, the outer lens tube is sleeved outside the inner lens tube with a gap, the front end of the outer lens tube is a shooting head, the gap between the inner lens tube and the outer lens tube forms a linear cavity, and light guide fibers are arranged in the linear cavity; the eyepiece part comprises an outer shell and an eyepiece arranged in the outer shell, the rear end part of the outer lens tube extends into the front end part of the outer shell and is in butt joint with the eyepiece, a through line groove is arranged between the outer shell and the lower end surface of the eyepiece, and the lower end of the through line groove is fixed with an illumination adjusting connecting part; the imaging adapter connector is butted with a camera connecting wire connector; the lighting adjusting connecting part comprises an outer barrel, a light ray adjusting sheet and a knob, wherein a groove is formed in the side wall of the outer barrel, the light ray adjusting sheet is horizontally arranged, part of the light ray adjusting sheet is arranged in the outer barrel, and is positioned outside the outer barrel through the groove, the light ray adjusting sheet is meshed with the knob and is connected with the lower end of the outer barrel;
the outer barrel comprises an upper connecting barrel, an oval middle barrel, side barrels and a lower connecting barrel which are sequentially formed from top to bottom, the central axes of the upper connecting barrel, the oval middle barrel, the side barrels and the lower connecting barrel are on the same straight line, the upper end of the upper connecting barrel is fixed with the lower end of the through line groove, the right side of the oval middle barrel is provided with a notch, the communicated side barrels are arranged at positions corresponding to the notch, the upper frame and the lower frame of the notch are symmetrically provided with an upper limiting groove and a lower limiting groove respectively, a vertical shaft is arranged between the upper limiting groove and the lower limiting groove, and the vertical shaft penetrates through the center of the light adjusting sheet; the light ray adjusting sheet is provided with a plurality of light transmitting areas, the light transmitting areas are sequentially connected end to form a snake shape which is changed from thin to thick, the light transmission of the light transmitting areas is sequentially enhanced, and the light ray adjusting sheet is partially positioned in the oval middle cylinder and partially positioned in the side cylinder; a knob is arranged in the side cylinder, a window is arranged on the right side of the side cylinder, part of the knob protrudes out of the window, and the knob is fixed with the upper wall and the lower wall of the side cylinder through a fixing shaft;
the negative pressure demisting part comprises a negative pressure demisting pipe and a first rubber hose, the front end of the negative pressure demisting pipe is provided with a demisting head, the rear end of the negative pressure demisting pipe is provided with a connector, the negative pressure demisting pipe is arranged on the outer wall of the outer mirror pipe, the demisting head of the negative pressure demisting pipe is arranged beside the front end of the outer mirror pipe, and the rear end of the negative pressure demisting pipe is connected with the first rubber hose; the negative pressure adsorption needle body is clamped on the outer shell through the clamping part.
2. The multi-functional ear rigid endoscope according to claim 1, characterized by: the line cavity is positioned at the lower part in the outer lens tube, and the right end of the line cavity is communicated with the upper end of the through line groove.
3. The multi-functional ear rigid endoscope according to claim 1, characterized by: the front end of shell body be equipped with the socket, the inside of shell body is equipped with interior mirror tube draw-in groove and eyepiece fixed chamber, the central axis of objective and eyepiece is on same straight line.
4. The multi-functional ear rigid endoscope according to claim 1, characterized by: the negative pressure demisting pipe comprises a horizontal straw and a vertical straw, the outer wall of the horizontal straw is tightly attached and fixed with the outer wall of the outer lens pipe, the front end side of the outer lens pipe is arranged at the front end of the horizontal straw, the rear end of the horizontal straw is communicated with the lower end of the vertical straw, an annular clamping groove is formed in the outer wall of the upper end of the vertical straw, and an annular clamping ring matched with the inner wall of the end part of the first rubber hose is arranged.
5. The multi-functional ear rigid endoscope according to claim 1, characterized by: the negative pressure adsorption needle body comprises a needle head main body, a needle head pipe and a connecting seat which are integrally formed in sequence, wherein the rear two thirds of the needle head main body is horizontal, the front one third and the rear two thirds of the needle head main body are inclined, and the included angle is 150-160 degrees.
6. The multi-functional ear rigid endoscope according to claim 5, characterized in that: joint portion be cubic, the lower terminal surface and the shell body up end of joint portion are fixed, be equipped with the level on the up end of joint portion and set up, the penetrating card needle groove in both ends, the card needle inslot is located to the syringe needle main part.
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| CN109349989A (en) | 2019-02-19 |
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