Electronic fiberoptic nasopharyngolaryngoscope with secretion suction function

Abstract

The present application relates to a kind of electronic fiber nasopharyngoscopes with secretion suction function, including insertion tube and handle, the front end of insertion tube is provided with camera and light source, the rear end of insertion tube is connected handle, handle is equipped with control display multifunctional connector, camera and light source are connected with control display multifunctional connector by the wire in insertion tube;Its characterized in that: the insertion tube inside is provided with negative pressure suction fiber tube, which is arranged along its length direction, the front end of insertion tube is equipped with secretion suction head, the head of secretion suction head is set as circular arc, negative pressure inlet is opened in the side of secretion suction head, the rear end of secretion suction head is sealedly connected with the front end of negative pressure suction fiber tube, the rear end of negative pressure suction fiber tube is connected with negative pressure suction device.The present application can timely suck the secretion in the nasal cavity of patient during examination, bring great convenience for nasopharyngeal examination, greatly improve the accuracy of examination result.

Description

TECHNICAL FIELD

[0001] The present application relates to a nasopharyngoscope, in particular to an electronic fiber nasopharyngoscope with secretion suction function, and belongs to the technical field of medical instrument design. BACKGROUND

[0002] The disease of the nasopharynx of a patient is generally caused by a tumor or a foreign object blocking the nasopharynx, so that the patient cannot breathe through the nasal cavity, resulting in hypoxia and dizziness. Due to the deep and hidden position of the nasopharynx, during diagnosis and treatment, medical personnel usually insert a nasopharyngoscope into the nasopharynx to observe and obtain information about the disease.

[0003] The electronic nasopharyngoscope is a commonly used nasopharyngoscope at present, which is generally used to enter the oropharynx of a patient through one side of the nasal cavity for examination. The existing electronic nasopharyngoscope mainly includes an insertion tube, a camera, a light source, a handle and a control display, the camera and the light source are arranged at the front end of the insertion tube, the rear end of the insertion tube is connected with the handle, the rear end of the handle is connected with the control display, and the camera and the light source are connected with the control display through wires in the insertion tube. During use, the image captured by the camera can be displayed on the control display, which is convenient for medical personnel to observe and diagnose. However, in clinical operation, there are often cases where there is a lot of secretion in the nasal cavity of the patient, which makes it difficult for medical personnel to observe clearly, and brings inconvenience to accurate examination. SUMMARY

[0004] The present application aims to overcome the deficiencies in the prior art, and provides an electronic fiber nasopharyngoscope with secretion suction function, which is ingenious in structure, reasonable in design and convenient to use. The electronic fiber nasopharyngoscope can timely suck the secretion in the nasal cavity of a patient during examination, which brings great convenience to nasopharyngeal examination and greatly improves the accuracy of examination results.

[0005] According to the technical scheme provided by the present application: the electronic fiber nasopharyngoscope with secretion suction function comprises an insertion tube and a handle, the front end of the insertion tube is provided with a camera and a light source, the rear end of the insertion tube is connected with the handle, a control display multifunctional connector is arranged on the handle, and the camera and the light source are connected with the control display multifunctional connector through wires in the insertion tube; characterized in that: a negative pressure suction fiber tube is arranged inside the insertion tube and extends along the length direction of the insertion tube, a secretion suction head is arranged at the front end of the insertion tube, the head edge of the secretion suction head is arc-shaped, a negative pressure inlet is arranged on the side surface of the secretion suction head, the rear end of the secretion suction head is sealingly connected with the front end of the negative pressure suction fiber tube, and the rear end of the negative pressure suction fiber tube is connected with a negative pressure suction device.

[0006] As a further improvement of the present application, an adjustable negative pressure connector is installed on the handle, and the rear end of the negative pressure suction fiber tube is connected with the negative pressure suction device through the adjustable negative pressure connector.

[0007] As a further improvement of the present invention, the adjustable negative pressure connector is provided with a first connector, a second connector and a negative pressure adjusting knob. The first connector is threadedly connected to the handle and sealed with the rear end of the negative pressure suction fiber tube. The second connector is connected to the negative pressure suction device. The axial direction of the second connector is perpendicular to the axial direction of the first connector. The negative pressure adjusting knob and the second connector are arranged back to back. A knob connecting seat is integrally provided on the adjustable negative pressure connector. The negative pressure adjusting knob is threadedly connected in the knob connecting seat. The inner end of the negative pressure adjusting knob is provided with a conical head. The rear end of the inner hole of the second connector is provided with a conical hole facing the conical head. The pressure of the secretions to be attracted can be adjusted by turning the negative pressure adjusting knob.

[0008] As a further improvement of the present invention, the negative pressure suction device includes a vacuum pump and a secretion storage container, a bottle stopper is provided at the bottle mouth of the secretion storage container, a first connecting tube and a second connecting tube connected to the interior of the secretion storage container are inserted on the bottle stopper, the other end of the first connecting tube is sealed and docked with the rear end of the negative pressure suction fiber tube, and the other end of the second connecting tube is connected to the suction port of the vacuum pump.

[0009] As a further improvement of the present invention, the secretion suction head is annular, and the secretion suction head cover is arranged on the periphery of the camera and the light source.

[0010] As a further improvement of the present invention, a plurality of circumferentially evenly distributed convex strips are provided on the inner wall of the secretion suction head, and a plurality of grooves corresponding to the convex strips are provided on the outer wall of the front end of the insertion tube. The convex strips are embedded in the grooves, and a negative pressure channel is opened in the convex strips. The negative pressure suction fiber tube buried in the insertion tube is sealed and docked with the rear end opening of the negative pressure channel. The negative pressure inlet is opened at a position corresponding to the convex strip on the outer peripheral wall of the secretion suction head and is connected to the negative pressure channel.

[0011] As a further improvement of the present invention, the first joint is a threaded joint, and the first joint is threadedly connected to the handle.

[0012] As a further improvement of the present invention, the second connector is a plug connector, and a tower-shaped ring platform is provided on the plug connector.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] 1), The present application has ingenious structure and reasonable design, the negative pressure suction fiber tube is arranged in the inside of the insertion tube, the secretion suction head is arranged at the front end of the insertion tube, the rear end of the secretion suction head is sealingly connected with the front end of the negative pressure suction fiber tube, the rear end of the negative pressure suction fiber tube is connected with the negative pressure suction device, when in use, the medical staff inserts the nasopharyngoscope into the nasal cavity, when the secretion in the nasal cavity of the patient is relatively much, the negative pressure suction device is started, and the position of the front end of the insertion tube is adjusted, so that the secretion is sucked out, great convenience is brought for the nasopharyngeal examination, and the accuracy of the examination result is greatly improved.

[0015] 2), The handle is provided with an adjustable negative pressure connecting piece, and the rear end of the negative pressure suction fiber tube is connected with the negative pressure suction device through the adjustable negative pressure connecting piece, so that the pressure of the negative pressure suction device for sucking the secretion can be adjusted by controlling the adjustable negative pressure connecting piece, and the adverse accidents caused by excessive negative pressure can be avoided.

[0016] 3), The negative pressure suction device comprises a secretion storage container, so that the sucked secretion can be stored in the secretion storage container, and the secretion can be examined, and one thing can be used for multiple purposes.

[0017] 4), The secretion suction head is annular, the secretion suction head is sleeved outside the periphery of the camera and the light source, the secretion suction head does not hinder the normal observation of the electronic nasopharyngoscope, and the secretion suction head and the front end of the insertion tube are connected in a clever manner, on one hand, the secretion suction head can be fixed more firmly, and there is no risk of loosening and accidental falling, and on the other hand, the opening position of the negative pressure suction port and the embedding position of the negative pressure suction fiber tube can be more reasonably distributed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of an embodiment of the present application.

[0019] Figure 2 It is an enlarged schematic view of A in Figure 1

[0020] Figure 3 It is a B-B sectional view in Figure 2

[0021] Figure 4 It is a structural sectional view of the adjustable negative pressure connecting piece in an embodiment of the present application.

[0022] ​​Explanation of the accompanying drawings: 1-insertion tube, 1a-groove, 2-handle, 3-camera, 4-light source, 5-control display multifunctional connector, 6-negative pressure suction fiber tube, 7-secretion suction head, 7a-negative pressure inlet, 7b-convex strip, 7c-negative pressure channel, 8-adjustable negative pressure connector, 8a-first connector, 8b-second connector, 8c-negative pressure adjustment knob, 8d-knob connecting seat, 8e-conical head, 8f-conical hole, 9-vacuum pump, 10-secretion storage container, 11-bottle stopper, 12-first connecting tube, 13-second connecting tube. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to specific drawings and embodiments.

[0024] like Figures 1-4 As shown, the embodiment discloses an electronic fiber nasopharyngeal laryngoscope with a secretion suction function, comprising an insertion tube 1 and a handle 2, the front end of the insertion tube 1 is provided with a camera 3 and a light source 4, the rear end of the insertion tube 1 is connected to the handle 2, the handle 2 is provided with a control and display multifunctional connector 5, the camera 3 and the light source 4 are connected to the control and display multifunctional connector 5 through a wire inside the insertion tube 1; the insertion tube 1 is provided with a negative pressure suction fiber tube 6 extending along its length direction, the front end of the insertion tube 1 is provided with a secretion suction head 7, the head edge of the secretion suction head 7 is set to be arc-shaped, and a negative pressure inlet port 7a is opened on the side of the secretion suction head 7, the rear end of the secretion suction head 7 is sealed and connected to the front end of the negative pressure suction fiber tube 6, and the rear end of the negative pressure suction fiber tube 6 is connected to a negative pressure suction device.

[0025] like Figure 1 As shown, in this embodiment, an adjustable negative pressure connector 8 is installed on the handle 2, and the rear end of the negative pressure suction fiber tube 6 is connected to the negative pressure suction device through the adjustable negative pressure connector 8.

[0026] like Figure 4 As shown, in this embodiment, the adjustable negative pressure connecting member 8 is provided with a first joint 8a, a second joint 8b and a negative pressure adjusting knob 8c. The first joint 8a is threadedly connected to the handle 2 and is sealed and docked with the rear end of the negative pressure suction fiber tube 6. The second joint 8b is connected to the negative pressure suction device. The axial direction of the second joint 8b is perpendicular to the axial direction of the first joint 8a. The negative pressure adjusting knob 8c and the second joint 8b are arranged back to back. The adjustable negative pressure connecting member 8 is integrally provided with a knob connecting seat 8d. The negative pressure adjusting knob 8c is threadedly connected in the knob connecting seat 8d. The inner end of the negative pressure adjusting knob 8c is provided with a conical head 8e, and the rear end of the inner hole of the second joint 8b is provided with a conical hole 8f facing the conical head 8e. The pressure of the secretions to be attracted can be adjusted by screwing the negative pressure adjusting knob 8c to avoid adverse accidents caused by excessive negative pressure.

[0027] As Figure 1 shown in the embodiment, the negative pressure suction device includes a vacuum pump 9 and a secretion storage container 10, the bottle mouth of the secretion storage container 10 is provided with a bottle plug 11, the bottle plug 11 is inserted with a first connecting pipe 12 and a second connecting pipe 13 which are in communication with the inside of the secretion storage container 10, the other end of the first connecting pipe 12 is sealingly butted with the rear end of the negative pressure suction fiber pipe 6, and the other end of the second connecting pipe 13 is connected with the air inlet of the vacuum pump 9. In this way, the suctioned secretion can also be stored in the secretion storage container 10, so as to facilitate the examination of the secretion

such as nasal cavity secretion smear examination

[0028] As Figure 2 , Figure 3 shown in the embodiment, the secretion suction head 7 is annular, and the secretion suction head 7 is sleeved on the outer periphery of the camera 3 and the light source 4. In this way, the secretion suction head 7 will not hinder the normal observation of the electronic nasopharyngoscope.

[0029] As Figure 2 , Figure 3 shown in the embodiment, the inner wall of the secretion suction head 7 is provided with a plurality of circumferentially distributed protrusions 7b, the outer wall of the front end of the insertion pipe 1 is provided with a plurality of grooves 1a corresponding to the protrusions 7b, the protrusions 7b are embedded in the grooves 1a, the negative pressure channel 7c is opened in the protrusions 7b, the negative pressure suction fiber pipe 6 embedded in the insertion pipe 1 is sealingly butted with the rear end opening of the negative pressure channel 7c, and the negative pressure suction inlet 7a is opened on the outer peripheral wall of the secretion suction head 7 corresponding to the position of the protrusions 7b and is in communication with the negative pressure channel 7c. In this way, on the one hand, the secretion suction head 7 can be fixed more firmly, and there is no risk of rotation, loosening and accidental falling, and on the other hand, the opening position of the negative pressure suction inlet 7a and the embedded position of the negative pressure suction fiber pipe 6 can be more reasonably distributed.

[0030] In specific use, the medical staff first inserts the nasopharyngoscope into the nasal cavity, and then connects the control display multifunctional joint of the nasopharyngoscope with the control display device; during the insertion process, when the patient's nasal cavity has more secretion, the negative pressure suction device is turned on, and the position of the front end of the insertion pipe 1 is adjusted at the same time, so that the secretion suction head 7 is close to the secretion, and the secretion is sucked out by relying on the negative pressure, which can greatly improve the accuracy of the examination. During the operation process, if the secretion is more and the viscosity is increased, the negative pressure adjusting knob 8c can be screwed to increase the suction force, and vice versa; the suctioned secretion will be stored in the secretion storage container 10, so as to facilitate the later examination; after the disease is determined, the nasopharyngoscope is taken out, and treatment is applied through the insertion of other medical instruments and the like.

[0031] The above merely describes preferred embodiments of the present application, and the specific embodiments are not intended to limit the present application. Various modifications and changes can occur to those skilled in the art within the technical concept of the present application, and any modification, change or equivalent replacement made by those skilled in the art based on the above description should fall within the scope of the present application.

Claims

1. An electronic fiber nasopharyngeal laryngoscope with a secretion suction function, comprising an insertion tube (1) and a handle (2), wherein a camera (3) and a light source (4) are provided at the front end of the insertion tube (1), the rear end of the insertion tube (1) is connected to the handle (2), a control and display multifunctional connector (5) is provided on the handle (2), the camera (3) and the light source (4) are connected to the control and display multifunctional connector (5) via a wire in the insertion tube (1); a negative pressure suction fiber tube (6) is provided inside the insertion tube (1) and is arranged along its length direction, The front end of the insertion tube (1) is provided with a secretion suction head (7), the edge of the head of the secretion suction head (7) is set to be arc-shaped, and a negative pressure introduction port (7a) is opened on the side of the secretion suction head (7), the rear end of the secretion suction head (7) is sealed and connected to the front end of (6), and the rear end of the negative pressure suction fiber tube (6) is connected to the negative pressure suction device; an adjustable negative pressure connector (8) is installed on the handle (2), and the rear end of the negative pressure suction fiber tube (6) is connected to the negative pressure suction device through the adjustable negative pressure connector (8); it is characterized in that: The inner wall of the secretion suction head (7) is provided with a plurality of circumferentially evenly distributed convex strips (7b), and the outer wall of the front end of the insertion tube (1) is provided with a plurality of grooves (1a) corresponding to the convex strips (7b). The convex strips (7b) are embedded in the grooves (1a), and a negative pressure channel (7c) is provided in the convex strips (7b). The negative pressure suction fiber tube (6) buried in the insertion tube (1) is sealed and docked with the rear end opening of the negative pressure channel (7c). The negative pressure inlet (7a) is provided at a position on the outer peripheral wall of the secretion suction head (7) corresponding to the convex strips (7b) and is connected to the negative pressure channel (7c).

2. The electronic fiber nasopharyngeal laryngoscope with secretion suction function according to claim 1, characterized in that: The adjustable negative pressure connector (8) is provided with a first connector (8a), a second connector (8b) and a negative pressure regulating knob (8c), wherein the first connector (8a) is threadedly connected to the handle (2) and is sealed and docked with the rear end of the negative pressure suction fiber tube (6), the second connector (8b) is connected to the negative pressure suction device, the axial direction of the second connector (8b) is perpendicular to the axial direction of the first connector (8a), the negative pressure regulating knob (8c) and the second connector (8b) are arranged in back-to-back relationship, the adjustable negative pressure connector (8) is integrally provided with a knob connecting seat (8d), the negative pressure regulating knob (8c) is threadedly connected in the knob connecting seat (8d), the inner end of the negative pressure regulating knob (8c) is provided with a conical head (8e), the rear end of the inner hole of the second connector (8b) is provided with a conical hole (8f) facing the conical head (8e), and the pressure of the secretions to be attracted can be adjusted by turning the negative pressure regulating knob (8c).

3. The electronic fiber nasopharyngeal laryngoscope with secretion suction function according to claim 1, characterized in that: The negative pressure suction device comprises a vacuum pump (9) and a secretion storage container (10); a bottle stopper (11) is provided at the bottle mouth of the secretion storage container (10); a first connecting tube (12) and a second connecting tube (13) are inserted into the bottle stopper (11) and communicate with the interior of the secretion storage container (10); the other end of the first connecting tube (12) is sealed and docked with the rear end of the negative pressure suction fiber tube (6); and the other end of the second connecting tube (13) is connected to the suction port of the vacuum pump (9).

4. The electronic fiber nasopharyngeal laryngoscope with secretion suction function according to claim 1, characterized in that: The secretion suction head (7) is annular and is sleeved around the camera (3) and the light source (4).

5. The electronic fiber nasopharyngeal laryngoscope with secretion suction function according to claim 2, characterized in that: The first joint (8a) is a threaded joint, and the first joint (8a) is threadedly connected to the handle (2).

6. The electronic fiber nasopharyngeal laryngoscope with secretion suction function according to claim 2, characterized in that: The second connector (8b) is a plug connector, and a tower ring is provided on the plug connector.

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