CN111759261B - Nasopharyngoscope capable of being washed - Google Patents
Nasopharyngoscope capable of being washed Download PDFInfo
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- CN111759261B CN111759261B CN202010649108.9A CN202010649108A CN111759261B CN 111759261 B CN111759261 B CN 111759261B CN 202010649108 A CN202010649108 A CN 202010649108A CN 111759261 B CN111759261 B CN 111759261B
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- pipe
- water
- arc sleeve
- camera
- negative pressure
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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
- A61B1/233—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 the nose, i.e. nasoscopes, e.g. testing of patency of Eustachian tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
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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
- A61B1/012—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
-
- 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
- A61B1/267—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 the respiratory tract, e.g. laryngoscopes, bronchoscopes
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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
- A61B1/267—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 the respiratory tract, e.g. laryngoscopes, bronchoscopes
- A61B1/2676—Bronchoscopes
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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
- A61B1/273—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 the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2733—Oesophagoscopes
Abstract
The invention discloses a flushable nasopharyngoscope which comprises a sleeve body, wherein the sleeve body is sleeved on the outer side of an insertion tube and fixedly connected with the insertion tube, the front end of the sleeve body extends to the front of the front end of the insertion tube, the sleeve body is divided into an upper half arc sleeve and a lower half arc sleeve by an axial tangent plane, a water and gas through cavity is arranged in the upper half arc sleeve, one end of the water and gas through cavity is opened at the front end of the upper half arc sleeve, the other end of the water and gas through cavity is opened at the rear end of the upper half arc sleeve, a plurality of spray holes are formed in the front end of the upper half arc sleeve, the spray holes are inclined towards a camera, the front end of a negative pressure through pipe is aligned with the lower end of the camera. The lens drying device has two functions of washing water and drying air, if the lens has mucus, the lens can be washed by the washing water firstly, then the lens can be dried by the drying air, if the lens only has water mist, the lens can be dried only by opening the drying air, and the lens can be dried, so that the use is convenient.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a flushable nasopharyngoscope.
Background
Nasopharyngoscope is a medical examination apparatus of wicresoft, and the wide application is examined in nasal cavity and throat, trachea and esophagus position, is an endoscope, need not to form the surface of a wound, and the operation is safe simple and convenient, and the patient need not to be in hospital and can accomplish the inspection at the outpatient service, and the nasopharyngoscope operation is becoming ripe day by day now, can make the operation become more meticulous through supporting surgical instruments to can reach the region that traditional operation can't reach.
When the insertion tube of the existing nasopharyngoscope is inserted into the pharynx of a patient, sometimes the front end of the camera rubs the nasal cavity or the pharyngeal mucosa of the patient, so that water mist or mucus exists at the front end of the camera, the video becomes unclear, and the diagnosis of the state of an illness is influenced.
Simultaneously, because human nasal cavity to throat, the passageway of trachea and esophagus is tortuous, and current nasopharyngoscope front end does not possess the function that turns to automatically, when the nasopharyngoscope touched human nasal cavity inner wall and pharynx, cause very easily that the patient is stressful and stubborn, and then spray water smoke or mucus more easily on the lens, if increase transmission structure in lens portion, in order to solve the problem that the camera lens can't turn to, then this transmission structure can occupy great space, on the basis that the camera lens has occupied certain space, it can make nasopharyngoscope lens portion too big to increase new structure, influence normal use.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a nasopharyngoscope which can wash the lens of the camera, can turn the front end of the nasopharyngoscope, and does not occupy space, aiming at the defects of the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a can wash nasopharyngoscope, includes nasopharyngoscope handle and insert tube, and the front end of insert tube sets up the camera, and the camera passes through the transmission line to be connected with the video connecting wire of installing in nasopharyngoscope handle department, and the video connecting wire is used for being connected with external display, and the transmission line is wrapped up characterized by the outer pipe wall of insert tube: the outer pipe wall is formed by enclosing an upper half arc sleeve and a lower half arc sleeve which are symmetrical by axial tangent, the front end of the outer pipe wall extends to the front of the camera, the front end of the outer pipe wall is positioned around the camera and does not shield the visual field of the camera, a water-air through cavity is formed in the upper half arc sleeve, one end of the water-air through cavity is opened at the front end of the upper half arc sleeve, the other end of the water-air through cavity is opened at the rear end of the upper half arc sleeve, a plurality of spray holes are formed in the front end of the upper half arc sleeve, the spray holes are inclined towards the camera, the front end of the water-air through cavity is communicated with the spray holes, the rear end of the water-air through cavity is respectively connected with a warm water tank with certain water pressure and a dry hot air tank with certain air pressure through a water-air guide pipe, the warm water tank can inject water into the water-air through cavity, so that the water is sprayed out from the spray holes; a negative pressure through pipe is arranged in the lower half-arc sleeve, the front end of the negative pressure through pipe is opened at the front end of the lower half-arc sleeve, the front end of the negative pressure through pipe is aligned with the lower end of the camera, the rear end of the negative pressure through pipe is opened at the rear end of the lower half-arc sleeve, the negative pressure through pipe is connected with an external negative pressure source through a negative pressure guide pipe, the negative pressure source can extract the negative pressure through pipe, so that most of water and air flowing out from a water and gas through cavity can flow into the negative pressure through pipe after passing through the surface of the camera, the negative pressure through pipe is sequentially composed of a magnet pipe section, an elastic pipe section and a soft metal pipe section in an end-to-end connection mode, the magnet pipe section is arranged at the front end of the negative pressure through pipe, the elastic pipe section is elastic and telescopic and is used for connecting the magnet pipe section and the soft metal pipe section, the soft, the two ends of the metal coil extend to the outer surface of the lower half-arc sleeve, two parallel axial metal chutes are arranged on the outer surfaces of the middle part and the rear part of the lower half-arc sleeve, one axial metal chute is connected with one end of the metal coil, the other axial metal chute is connected with the other end of the metal coil, the pipe body part of the lower half-arc sleeve corresponding to the elastic pipe section is hollowed out or made of elastic material, when the elastic pipe section stretches out and draws back, the lower half-arc sleeve can correspondingly stretch out and draw back at the position corresponding to the elastic pipe section, the flushable nasopharyngoscope further comprises a handheld angle controller, the handheld angle controller comprises a slider main body, an elastic pressure plate, a conductive end head and a direct current power supply, a slider cavity which is communicated from front to back and is matched with the outer diameter of an insertion pipe is arranged on the slider main body, an open slot for the insertion pipe to extrude into is arranged, one end of the sliding block is fixedly connected with the sliding block main body, the other end of the sliding block main body is a tilted free end, two conductive ends are arranged, the two conductive ends are independently arranged on the free end of the elastic pressing plate, the direct-current power supply is fixedly arranged in the sliding block main body, the positive pole of the direct-current power supply is connected with one conductive end, the negative pole of the direct-current power supply is connected with the other conductive end, when the inserting tube is positioned in the sliding block cavity, the two conductive ends are respectively aligned with the two axial metal chutes but are not contacted, the sliding block main body can axially slide on the inserting tube, when the free end of the elastic pressing plate is pressed down, the two conductive ends are pressed on the corresponding axial metal chutes, so that the direct-current power supply, the conductive ends, the metal chutes and the metal coil form a complete loop, the metal coil is charged, the soft metal tube section becomes an, thereby extending the magnet tube section forward and the elastic tube section to bend the insertion tube.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the spray holes are arranged at the front end of the upper half arc sleeve at equal intervals, and each spray hole is opposite to different positions of the surface of the camera, so that the surface of the camera can be uniformly washed by water or air.
The water-gas conduit is provided with a switch which is used for controlling the water-gas conduit to be communicated with the warm water tank or the dry hot air tank.
The external display is a liquid crystal display.
The upper half arc sleeve and the lower half arc sleeve are integrally formed or bonded into a whole.
The conducting wire is an optical fiber.
The camera is provided with an indicating mark which is used for indicating the position of the elastic pipe section.
The soft metal pipe section is a hollow soft copper pipe, the elastic pipe section is a plastic corrugated pipe, and the axial metal sliding groove is made of copper.
The invention has the following advantages:
1. the invention has a lens flushing structure which is divided into an upper semi-arc sleeve and a lower semi-arc sleeve, the functions of the upper semi-arc sleeve and the lower semi-arc sleeve are different, the upper semi-arc sleeve is connected with a warm water tank and a dry hot air tank, flushing water or blow-dry gas can be selectively conveyed to a camera lens through a switch, the lower semi-arc sleeve is connected with a negative pressure source, the negative pressure source is provided with a switch, and the negative pressure source can extract water or gas at the camera lens when the switch is turned on, so that most of the water and gas flushed from the upper semi-arc sleeve enter the lower semi-arc sleeve, and the stimulation to the pharyngeal portion. The function can be used in the nasal cavity, throat and esophagus, and when the lens is inserted into the trachea, the lens is not washed by flushing water, so that water is prevented from flowing into the lung.
2. The lens drying machine has two functions of washing water and drying air, if the lens has mucus, the lens can be washed by the washing water firstly, then the lens can be dried by the drying air, if the lens only has water mist, the lens can be dried only by opening the drying air, and the lens can be dried by the drying air, so that the use is convenient.
3. The negative pressure through pipe of the invention has magnet pipe section, elastic pipe section and soft metal pipe section, the soft metal pipe section is wound with the coil, when the coil is electrified with direct current, the soft metal pipe section becomes the iron core of the electromagnet, the magnetic force is generated, the magnet pipe section is pushed to move forwards, the lower half arc is sleeved with the telescopic elastic pipe section, the upper half arc is sleeved with no coil, therefore, the magnet pipe section can bend the lens to the direction of the upper half arc, a doctor can know which direction the lens can bend through the indication mark displayed by the video viewing lens, the bending direction can be controlled by rotating the inserting pipe, when the bending is not needed, the direct current of the coil is cut off, the elastic pipe section retracts, and the front end of the inserting pipe restores to the normal shape. The invention does not add a transmission structure at the lens, and improves the structure of the negative pressure through pipe, so that the negative pressure through pipe can be used as a pipeline for washing and drying, and can also be used as a nasopharyngoscope angle control structure, and various functions are integrated, thereby greatly saving the front end space of the nasopharyngoscope.
4. The direct current power supply is designed on the handheld angle controller, the device can slide on the insertion tube with the axial metal sliding groove, and the handheld angle controller can be always kept near the nose of a patient through sliding in the process that the insertion tube is gradually inserted into the body of the patient, so that the defect that a power switch is far away from the patient and is inconvenient to operate because the fixed direct current power supply can only be arranged at the rear end of the insertion tube for the purpose that the insertion tube has enough insertion length.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front end of the insertion tube;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
FIG. 4 is a right side view of FIG. 2;
FIG. 5 is a cross-sectional view M-M of FIG. 1;
FIG. 6 is a schematic view showing an outer structure of the insertion tube;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic view of a section of flexible metal tubing wrapped with a metal coil;
FIG. 9 is a schematic view of the internal structure of the hand-held angle controller;
fig. 10 is a schematic front view of a hand-held angle controller.
The reference signs are: the nasopharyngoscope system comprises a nasopharyngoscope handle 1, an insertion tube 11, a camera 12, a conducting wire 13, a video connecting wire 14, an outer tube wall 15, an indication mark 16, a handheld angle controller 2, a slider body 21, a slider cavity 21a, an open slot 21b, an elastic pressing plate 22, a conducting tip 23, a direct current power supply 24, an upper half arc sleeve 3, a water and air through cavity 31, a spraying hole 32, a warm water tank 33, a dry hot air tank 34, a lower half arc sleeve 4, a negative pressure through tube 41, a magnet tube section 41a, an elastic tube section 41b, a soft metal tube section 41c, a metal coil 41d, an axial metal sliding groove 42 and a switch 5.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The invention discloses a flushable nasopharyngoscope, which comprises a nasopharyngoscope handle 1 and an insertion tube 11, wherein a camera 12 is arranged at the front end of the insertion tube 11, the camera 12 is connected with a video connecting wire 14 arranged at the nasopharyngoscope handle 1 through a conducting wire 13, the video connecting wire 14 is used for being connected with an external display, and the conducting wire 13 is wrapped by an outer tube wall 15 of the insertion tube 11, and the flushable nasopharyngoscope is characterized in that: the outer pipe wall 15 is formed by enclosing an upper half arc sleeve 3 and a lower half arc sleeve 4 which are symmetrical in an axial tangent mode, the front end of the outer pipe wall 15 extends to the front of the camera 12, the front end of the outer pipe wall 15 is positioned around the camera 12 and does not block the visual field of the camera 12, a water-air through cavity 31 is formed in the upper half arc sleeve 3, one end of the water-air through cavity 31 is opened at the front end of the upper half arc sleeve 3, the other end of the water-air through cavity is opened at the rear end of the upper half arc sleeve 3, a plurality of spray holes 32 are formed at the front end of the upper half arc sleeve 3, the spray holes 32 are inclined towards the camera 12, the front end of the water-air through cavity 31 is communicated with the spray holes 32, the rear end of the water-air through cavity 31 is respectively connected with a warm water tank 33 with certain water pressure and dry hot air 34 with certain air pressure through a water-air conduit, the warm water tank 33 can inject water into the water-air through cavity 31 to spray the water from the spray holes 32 to clean the camera 12, air-drying the water mist on the surface of the camera 12; a negative pressure through pipe 41 is arranged in the lower half-arc sleeve 4, the front end of the negative pressure through pipe 41 is opened at the front end of the lower half-arc sleeve 4, the front end of the negative pressure through pipe 41 is aligned with the lower end of the camera 12, the rear end of the negative pressure through pipe 41 is opened at the rear end of the lower half-arc sleeve 4, the negative pressure through pipe 41 is connected with an external negative pressure source through a negative pressure conduit, the negative pressure source can extract the negative pressure through pipe 41, so that most of water and air flowing out from the water and air through the water and air cavity 31 flows into the negative pressure through pipe 41 after passing through the surface of the camera 12, the negative pressure through pipe 41 is composed of a magnet pipe section 41a, an elastic pipe section 41b and a soft metal pipe section 41c which are sequentially connected end to end, the magnet pipe section 41a is arranged at the front end of the negative pressure through pipe 41, the elastic pipe section 41b is elastic and telescopic and used for connecting the magnet pipe section 41a and the soft metal pipe, the main body part of the metal coil 41d is wrapped by the lower half-arc sleeve 4, two ends of the metal coil 41d extend to the outer surface of the lower half-arc sleeve 4, two parallel axial metal chutes 42 are arranged on the outer surfaces of the middle part and the rear part of the lower half-arc sleeve 4, one axial metal chute 42 is connected with one end of the metal coil 41d, the other axial metal chute 42 is connected with the other end of the metal coil 41d, the pipe body part of the lower half-arc sleeve 4 corresponding to the elastic pipe section 41b is hollowed out or made of elastic material, when the elastic pipe section 41b stretches, the lower half-arc sleeve 4 can correspondingly stretch at the position corresponding to the elastic pipe section 41b, the flushable nasopharyngoscope further comprises a handheld angle controller 2, the handheld angle controller 2 comprises a sliding block main body 21, an elastic pressing plate 22, a conductive end 23 and a direct current power supply 24, a sliding block cavity 21a which is through from front to back and is matched with the outer diameter of the insertion pipe 11 is, an open slot 21b for the insertion tube 11 to be extruded into is arranged on one side of the slider cavity 21a of the slider body 21, the elastic pressing plate 22 is mounted on the slider body 21, one end of the elastic pressing plate is fixedly connected with the slider body 21, the other end of the elastic pressing plate is a tilted free end, two conductive terminals 23 are provided, the two conductive terminals are independently mounted on the free end of the elastic pressing plate 22, the direct-current power supply 24 is fixedly mounted in the slider body 21, the positive electrode of the direct-current power supply 24 is connected with one conductive terminal 23, the negative electrode of the direct-current power supply 24 is connected with the other conductive terminal 23, when the insertion tube 11 is positioned in the slider cavity 21a, the two conductive terminals 23 are respectively aligned with the two axial metal sliding grooves 42 but are not contacted, the slider body 21 can axially slide on the insertion tube 11, when the free end of the elastic pressing plate 22 is pressed, the two conductive terminals 23 are pressed on the corresponding axial metal, The metal chute 42 and the metal coil 41d form a complete loop, the metal coil 41d is charged so that the soft metal tube 41c becomes an iron core of the metal coil 41d, and the front end of the soft metal tube 41c generates magnetism repulsive to the rear end of the magnet tube 41a, so that the magnet tube 41a is extended forward, and the elastic tube 41b is extended to bend the insertion tube 11.
In the embodiment, the spray holes 32 are arranged at the front end of the upper half arc sleeve 3 at equal intervals, and each spray hole 32 is opposite to different positions on the surface of the camera 12, so that the surface of the camera 12 can be uniformly washed by water or air.
In the embodiment, a switch 5 is installed on the water-air conduit, and the switch 5 is used for controlling the water-air conduit to be communicated with the warm water tank 33 or the dry hot air tank 34.
In an embodiment, the external display is a liquid crystal display.
In the embodiment, the upper half arc sleeve 3 and the lower half arc sleeve 4 are integrally formed or bonded.
In an embodiment, the conductive wire 13 is an optical fiber.
In the embodiment, the camera 12 is provided with an indication mark 16, and the indication mark 16 is used for indicating the position of the elastic pipe section 41 b.
In the embodiment, the flexible metal tube 41c is a hollow flexible copper tube, the elastic tube 41b is a plastic corrugated tube, and the axial metal chute 42 is made of copper.
The device of the invention is used as follows: when nasopharyngoscope examination is performed on a patient, the video connecting line 14 is connected with an external display, the water vapor through cavity 31 is connected with the warm water tank 33 and the dry hot air tank 34, the negative pressure through pipe 41 is connected with an external negative pressure source, the warm water tank 33, the dry hot air tank 34 and the negative pressure source are ensured to work normally, the insertion pipe 11 is inserted into the throat part from the nasal cavity of the patient, in the process of inserting, moisture in the nasal cavity can lead the camera 12 to be stained with water mist, so that the lens is blurred, sometimes, a doctor can lead the front end of the insertion pipe 11 to touch the mucosa of the nasal cavity or the pharyngeal part of the patient, so that the camera 12 is provided with mucus, if the lens is provided with mucus, the warm water tank 33 and the negative pressure source can be opened simultaneously, water in the warm water tank 33 is sprayed out from the water vapor through cavity 31 to wash the camera 12, the water flows down from the camera 12 to enter the negative pressure through pipe 41 to be sucked away by the negative pressure source, the warm water tank 33 and the negative pressure source are turned off, at the moment, some water drops remain on the camera 12, then the hot dry air tank 34 and the negative pressure source are simultaneously turned on, the hot dry air in the hot dry air tank 34 is sprayed out from the spray holes 32 through the water-air through cavity 31, the water drops on the camera 12 are dried, the sprayed hot dry air enters the negative pressure through pipe 41 and is sucked away by the negative pressure source, and when the water drops are completely dried, the hot dry air tank 34 and the negative pressure source are turned off, and the lens is washed. If the lens has water mist, the dry hot air tank 34 and the negative pressure source are started at the same time, dry hot air (35-40 ℃) in the dry hot air tank 34 is sprayed out from the spray hole 32 through the water vapor through cavity 31 to dry water drops on the camera 12, the sprayed dry hot air enters the negative pressure through pipe 41 and is sucked away by the negative pressure source, and when the water drops are completely dried, the dry hot air tank 34 and the negative pressure source are closed to finish the washing of the lens.
The hand-held angle controller 2 is sleeved on the insertion tube 11, as shown in fig. 1, the hand-held angle controller 2 can slide on the insertion tube 11, the axial metal chute 42 is kept aligned with the conductive terminal 23, the insertion tube 11 is inserted into the throat from the nasal cavity of a patient, during the insertion process, the hand-held angle controller 2 gradually retreats along with the advancing of the insertion tube 11 and is always kept at the mouth and nose of the patient, a doctor can conveniently press the elastic pressing plate 22 at any time to connect the direct current power supply 24 with the metal coil 41d, the length of the elastic tube 41b is 1mm-2mm when the tube is not unfolded and can reach 3mm-4mm after being unfolded, the length of the elastic tube 41b does not influence the magnetic force between the soft metal tube 41c and the magnet tube 41a, when the soft metal 41c of the tube is not electrified, the magnet tube 41a attracts the soft metal tube 41c, and can ensure that the elastic tube 41b is in a contracted state, after the direct current power supply 24 is connected with the metal coil 41d, the soft metal tube 41c becomes an electromagnet, the attraction force of the magnet tube 41a to the soft metal tube 41c becomes a repulsion force, the elastic tube 41b is unfolded, the magnet tube 41a moves forward, the front end of the insertion tube 11 bends to the direction of the upper half arc sleeve 3, a doctor rotates the insertion tube 11 to the direction that the upper half arc sleeve 3 is opposite to the bending direction through the indication mark 16, presses the elastic pressing plate 22, the insertion tube 11 can be controlled to bend to the correct direction, and the insertion tube 11 is controlled to be inserted to the specified position under the condition that the skin or mucosa of a patient is not touched as much as possible.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. The utility model provides a can wash nasopharyngoscope, includes nasopharyngoscope handle (1) and insert tube (11), the front end of insert tube (11) set up camera (12), camera (12) are connected with video connecting wire (14) of installing in nasopharyngoscope handle (1) department through conducting wire (13), video connecting wire (14) be used for being connected with external display, outer pipe wall (15) parcel, characterized by of conducting wire (13) by insert tube (11): the outer pipe wall (15) is formed by enclosing an upper half arc sleeve (3) and a lower half arc sleeve (4) which are symmetrical in a shaft tangent mode, the front end of the outer pipe wall (15) extends to the front of the camera (12), the front end of the outer pipe wall (15) is located on the periphery of the camera (12) and does not shield the visual field of the camera (12), a water and air through cavity (31) is formed in the upper half arc sleeve (3), one end of the water and air through cavity (31) is opened at the front end of the upper half arc sleeve (3), one end of the water and air through cavity is opened at the rear end of the upper half arc sleeve (3), a plurality of spray holes (32) are formed in the front end of the upper half arc sleeve (3), the spray holes (32) are inclined towards the camera (12), the front end of the water and air through cavity (31) is communicated with the spray holes (32), and the rear end of the water and air through cavity (31) is respectively connected with a water tank (33) with a certain water pressure and a dry hot air tank (34) with a, the warm water tank (33) can inject water into the water-air through cavity (31) to enable water to be sprayed out from the spray holes (32) to clean the camera (12), and the dry hot air tank (34) can inject air into the water-air through cavity (31) to enable dry hot air to be sprayed out from the spray holes (32) to air-dry water mist on the surface of the camera (12); the lower half-arc sleeve (4) is internally provided with a negative pressure through pipe (41), the front end of the negative pressure through pipe (41) is opened at the front end of the lower half-arc sleeve (4), the front end of the negative pressure through pipe (41) is aligned with the lower end of the camera (12), the rear end of the negative pressure through pipe (41) is opened at the rear end of the lower half-arc sleeve (4), the negative pressure through pipe (41) is connected with an external negative pressure source through a negative pressure conduit, the negative pressure source can extract the negative pressure through pipe (41), so that water and air flowing out of the water and air through the cavity (31) flow into the negative pressure through pipe (41) mostly after passing through the surface of the camera (12), the negative pressure through pipe (41) is sequentially formed by connecting a magnet pipe section (41a), an elastic pipe section (41b) and a soft metal pipe section (41c) end to end, the magnet pipe section (41a) is positioned at the front end of the negative pressure through pipe (41), the elastic pipe section, the flexible vacuum tube is telescopic and used for connecting a magnet tube section (41a) and a soft metal tube section (41c), the soft metal tube section (41c) is positioned in the middle and the rear part of the negative pressure through tube (41), a metal coil (41d) which is axially wound is arranged outside the soft metal tube section (41c), the main body part of the metal coil (41d) is wrapped by a lower half arc sleeve (4), two ends of the metal coil (41d) extend to the outer surface of the lower half arc sleeve (4), two axial metal sliding grooves (42) which are arranged in parallel are arranged on the outer surfaces of the middle and the rear part of the lower half arc sleeve (4), one axial metal sliding groove (42) is connected with one end of the metal coil (41d), the other axial metal sliding groove (42) is connected with the other end of the metal coil (41d), the tube parts of the lower half arc sleeve (4) corresponding to the elastic tube section (41b) are hollow parts or are made of elastic materials, when the elastic pipe section (41b) stretches, the lower half-arc sleeve (4) can correspondingly stretch at the position corresponding to the elastic pipe section (41b), the nasopharyngoscope further comprises a handheld angle controller (2), the handheld angle controller (2) comprises a slider main body (21), an elastic pressing plate (22), a conductive end (23) and a direct-current power supply (24), the slider main body (21) is provided with a slider cavity (21a) which is through from front to back and is matched with the outer diameter of the insertion pipe (11), the slider main body (21) is provided with an open slot (21b) for the insertion pipe (11) to extrude into at one side of the slider cavity (21a), the elastic pressing plate (22) is arranged on the slider main body (21), one end of the elastic pressing plate is fixedly connected with the slider main body (21), the other end of the elastic pressing plate is a tilted free end, the conductive end (23) is provided with two conductive end, and the two conductive end (23) are independently arranged on the free end of the elastic, the direct current power supply (24) is fixedly installed in the sliding block main body (21), the positive pole of the direct current power supply (24) is connected with one conductive terminal (23), the negative pole of the direct current power supply (24) is connected with the other conductive terminal (23), when the insertion tube (11) is positioned in the sliding block cavity (21a), the two conductive terminals (23) are respectively aligned with the two axial metal sliding chutes (42) but are not contacted, the sliding block main body (21) can axially slide on the insertion tube (11), when the free end of the elastic pressing plate (22) is pressed down, the two conductive terminals (23) are pressed on the corresponding axial metal sliding chutes (42), so that the direct current power supply (24), the conductive terminals (23), the metal sliding chutes (42) and the metal coil (41d) form a complete loop, the metal coil (41d) is charged, and the soft metal tube section (41c) becomes an iron core of the metal coil (41d), the front end of the soft metal tube section (41c) generates magnetism repulsive to the rear end of the magnet tube section (41a), so that the magnet tube section (41a) extends forward, the elastic tube section (41b) extends, and the insertion tube (11) bends.
2. A flushable nasopharyngoscope according to claim 1, wherein: the spray holes (32) are arranged at the front end of the upper half arc sleeve (3) at equal intervals, and each spray hole (32) is opposite to different positions of the surface of the camera (12), so that the surface of the camera (12) can be uniformly washed by water or air.
3. A flushable nasopharyngoscope according to claim 2, wherein: the switch (5) is arranged on the water-air conduit, and the switch (5) is used for controlling the water-air conduit to be communicated with the warm water tank (33) or the dry hot air tank (34).
4. A flushable nasopharyngoscope according to claim 3, wherein: the external display is a liquid crystal display.
5. The flushable nasopharyngoscope according to claim 4, wherein: the upper half arc sleeve (3) and the lower half arc sleeve (4) are integrally formed or bonded into a whole.
6. The flushable nasopharyngoscope according to claim 5, wherein: the conducting wire (13) is an optical fiber.
7. The flushable nasopharyngoscope according to claim 6, wherein: the camera (12) is provided with an indicating mark (16), and the indicating mark (16) is used for indicating the position of the elastic pipe section (41 b).
8. The flushable nasopharyngoscope according to claim 7, wherein: the soft metal pipe section (41c) is a hollow soft copper pipe, the elastic pipe section (41b) is a plastic corrugated pipe, and the axial metal sliding groove (42) is made of copper.
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| CN202010649108.9A CN111759261B (en) | 2020-07-08 | 2020-07-08 | Nasopharyngoscope capable of being washed |
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| CN202010649108.9A CN111759261B (en) | 2020-07-08 | 2020-07-08 | Nasopharyngoscope capable of being washed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115299861B (en) * | 2022-09-05 | 2023-03-17 | 暨南大学附属第一医院（广州华侨医院） | Intelligent diagnosis system for nasopharyngeal carcinoma and nasopharyngoscope thereof |
| CN115530731B (en) * | 2022-12-01 | 2024-01-05 | 苏州汇禾医疗科技有限公司 | Cardiovascular visual endoscope and endoscope system |
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| CN111759261A (en) | 2020-10-13 |
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