CN202505312U - Multi-purpose endoscope - Google Patents

Abstract

The utility model relates to a medical appliance. A multi-purpose endoscope, comprising a mirror tube, the mirror tube is connected with a main body, the main body is provided with a light guide insertion port and an observation system, and a mirror sheath is connected outside the mirror tube, and the mirror sheath includes a sheath body and a sheath tube , a water inlet is provided on the sheath, and the water injection channel in the mirror tube of the water inlet is connected. One end passes through the main body and is connected with the instrument inlet and water outlet on the main body. The utility model provides a multi-purpose endoscope with automatic water circulation in the operation process, which can be used in conjunction with various lithotripsy systems, has good safety, and can effectively relieve patients'pain; it solves the problem of the lithotripsy process in the prior art Among them, the water circulation is inconvenient, the patient's pain cannot be effectively relieved, and the technical problems of poor adaptability.

Description

multipurpose endoscope

technical field

The utility model relates to a medical device, in particular to a multipurpose endoscope.

Background technique

With the rapid development of medical technology, the application of endoscopes in the medical field is becoming more and more extensive. An endoscope generally includes components such as a mirror body, an optical lens assembly, and an observation window. In the existing literature, there are many open documents about endoscopes, such as the Chinese patent: "Handheld Digital Display Endoscope (CN201740919U)", which includes an image sensor mirror tube, an image sensor mirror tube outer bearing, The rotating shaft of the liquid crystal display, the shell part, the liquid crystal display, the joint of the rotating shaft, the connector, and the corner mirror are characterized in that: it also includes a rotating shaft of the hand wheel, a limit rotation device sleeved outside the rotating shaft of the hand wheel, and a The hand wheel at the tail of the rotating shaft. The rotating shaft of the hand wheel is coaxially connected with the mirror tube of the image sensor through a connector, and a limit rotating device is provided at the middle position of the rotating shaft of the hand wheel. The hand wheel, the rotating shaft of the hand wheel, and the limiting rotating device located inside the housing. Endoscopes are widely used. Stones appear in the ureter, kidney, gallbladder and bladder in the human body. With the help of the endoscope, these stones in the body can be crushed and even dissolved, thereby eliminating the pain of the human body. For example, a lithotripsy device disclosed in the current patent document, such as the authorized announcement number: "Bladder calculus intracavitary lithotripsy manipulator (CN201542686U)", it includes an endoscope connection seat fixed at the rear end, and the endoscope connection The endoscopic intubation tube of the resectoscope outer sheath connection seat is fixed on the front part of the seat, the operating handle is fixed on the endoscopic intubation tube, and the gravel is fixed on the outer wall of the endoscopic intubation tube at the front of the operating handle. Probe straight conduit, the rear end of the gravel probe straight conduit is connected with the front end of the gravel probe arc conduit that is located at the rear end on the operating handle and protrudes obliquely. However, the water circulation effect of this structure is not good, and only one kind of stone crushing method can be applied, which is easy to cause the pain of the patient.

Contents of the invention

The utility model provides a multi-purpose endoscope with automatic water circulation in the operation process, which can be used in conjunction with various lithotripsy systems, has good safety, and can effectively relieve patients' pain; it solves the problem of the lithotripsy process in the prior art Among them, the water circulation is inconvenient, the pain of the patient cannot be effectively relieved, and the technical problems of poor adaptability.

The above-mentioned technical problems of the utility model are solved by the following technical solutions: a multipurpose endoscope, comprising a mirror tube, the mirror tube is connected with a main body, the main body is provided with a light guide insertion port and an observation system, and is characterized in that: A mirror sheath is connected outside the mirror tube. The mirror sheath includes a sheath body and a sheath tube. A water inlet is provided on the sheath body. The water injection channel in the mirror tube of the water inlet port is connected. An instrument channel and an optical channel parallel to the water injection channel are arranged in the mirror tube, wherein the other end of the instrument channel passes through the main body and is connected with the instrument inlet and water outlet on the main body. The endoscope can be connected to different lithotripsy systems, such as ballistic lithotripsy, laser lithotripsy or ultrasonic lithotripsy, and the water flow is controlled by a water flow regulating valve on the sheath, which is convenient for water flow control of different lithotripsy systems. The water injection channel and the instrument channel form a water flow circuit, which can facilitate the outflow of gravel, increase the safety of the operation, and reduce the complications of the operation. Moreover, two channels are formed by the sheath tube, which can facilitate the water circulation and the entry and exit of the instrument.

Preferably, the inlet and outlet of the instrument are located in the same horizontal plane, the inlet of the instrument coincides with the center line of the main body, an included angle is set between the outlet and the main body, and a circle is used at the joint between the outlet and the main body. Arc transition connection, the angle between the instrument inlet and the water outlet is an acute angle. Both the instrument inlet and the water outlet are located at the same end of the main body, and the two openings are located in the same horizontal plane, which facilitates the connection with the instrument channel and facilitates the arrangement of the openings without affecting the operation of the operation. The instrument channel passes through the main body and is divided into two parts, connecting the instrument inlet and water outlet at the same time. The water outlet and the main body have a circular arc transition, which facilitates the smooth suction of gravel and improves the reliability of the operation.

Preferably, the water flow regulating valve includes a rotary knob located outside the sheath, the rotary knob is connected with a tapered plunger, and a water inlet hole is opened in the center of the plunger, and the water inlet hole is connected with the water injection channel in the mirror tube. The outer peripheral surface of the plug is provided with a water flow regulating groove, and the water flow regulating groove is connected with the water inlet hole on the sheath body. The tapered plunger is selected around the axis by adjusting the rotary knob, so that the positions of different widths of the water flow adjustment groove are communicated with the water injection channel, and the effect of adjusting the size of the water flow is realized.

As a preference, a liquid inlet channel parallel to the optical channel is provided on both sides of the optical system channel in the mirror body, and the line connecting the center of the optical system and the centers of the two liquid inlet channels forms an isosceles triangle . The symmetrically arranged liquid inlet channels are convenient to connect with the external water inlet. At the same time, the centers of the three channels are in an isosceles triangle shape, which saves space and the arrangement of the three channels in the mirror tube is also more reasonable. The upper and lower surfaces of the mirror tube are arc surfaces, forming a crescent shape. the

More preferably, the base angle of the isosceles triangle is 20°-40°. Ensure that the liquid inlet channels on both sides are conveniently connected to the water inlet on the sheath tube. At the same time, the liquid inlet channels are located under the channel of the optical system. The optical system is located in the center to facilitate observation of stones and crush stones. wash gravel.

Preferably, a sheath lock is sleeved at the junction of the mirror body and the sheath body. The fixing method of the sheath lock is adopted, the structure is simple, and the assembly and disassembly are convenient.

Preferably, the observation system includes an observation tube located on the main body, the observation tube is arranged obliquely on the main body, and an eye mask is arranged on the observation tube. The eye mask can be connected with a camera system, and the object image observed by the endoscope can be presented on the monitor, which is convenient for observation, diagnosis and treatment.

Therefore, the multipurpose endoscope of the present utility model has the following advantages: the endoscope can be used in conjunction with different lithotripsy systems, has many functions and strong adaptability, and the sheath tube is divided into the mirror tube channel of the endoscope and the The instrument channel for the entry and exit of lithotripsy instruments is divided into two channels, which ensures the largest instrument channel while saving space. The lithotripsy and endoscope do not interfere with each other, reducing the pain of patients; It is connected to the water inlet, and the instrument channel is connected to the water outlet to form an automatic water circulation channel, which is convenient for washing gravel and reduces complications. the

Description of drawings

Fig. 1 is the schematic diagram of multipurpose endoscope of the present utility model.

FIG. 2 is a schematic diagram of the mirror sheath in FIG. 1 .

Fig. 3 is a schematic diagram of the endoscope in Fig. 1 .

Fig. 4 is a left side view of Fig. 3 .

Fig. 5 is a sectional view taken along line A-A of Fig. 4 .

Fig. 6 is an enlarged schematic view of the water flow regulating valve.

Detailed ways

Below by embodiment, in conjunction with accompanying drawing, the technical scheme of utility model is described further in detail.

Example:

As shown in FIG. 1 , the multipurpose endoscope includes an endoscope 1 and a mirror sheath 2 sleeved on the endoscope 1 . As shown in FIG. 2 , the mirror sheath 2 includes a sheath body 3 and a sheath tube 4 connected to the sheath body 3 , a water inlet 11 is welded on the upper end of the sheath body 3 , and a water flow regulating valve 13 is installed on the side of the sheath body 3 . As shown in FIG. 3 , the endoscope 1 includes a main body 5 and a mirror tube 6 connected to one end of the main body 5 , the sheath body 3 is sleeved on the main body 5 , and the sheath body and the main body are connected by a sheath lock 10 provided on the main body 5 . The sheath tube 4 is sleeved outside the mirror tube 6 . An observation tube 21 and a light beam insertion port 9 are connected to the upper end of the main body 5 , and an eyecup 7 is connected to the end of the observation tube. The eye mask 7 is obliquely fixed on the mirror body 5, and the eye mask is connected with the camera system so that the object to be observed is displayed on the display. The end of the other end of the mirror body 5 is provided with an instrument inlet 8 and a water outlet 12, the instrument inlet 8 and the water outlet 12 are located in the same horizontal plane, the centerline of the instrument inlet 8 coincides with the centerline of the main body 5, and the water outlet 12 is located at the instrument inlet 8 (as shown in FIG. 4 ), the angle between the water outlet 12 and the center line of the instrument inlet 8 is an acute angle, and the water outlet 12 and the main body 5 are connected through a circular arc transition. As shown in Figure 4, there are three parallel passages in the mirror tube 6, including the optical system passage 17 at the center, and the water injection passage 18 is symmetrically arranged on both sides of the optical passage 17, and the water injection passage 18 passes through the sheath body 3. The water flow regulating valve 13 is connected with the water inlet 11 on the sheath body 3 . The centers of the optical channel 17 and the two water injection channels 18 form an isosceles triangle, and the base angle of the isosceles triangle is 35°. Below the optical channel is the instrument channel 19, and the centerlines of the optical channel 17, the instrument channel 19 and the water injection channel 18 are parallel to each other.

As shown in FIG. 5 , the instrument passage passes through the main body, and then is divided into two parts, one of which extends straight to the outside of the main body and is an instrument inlet 8 , and the other extends obliquely to one side as a water outlet 12 .

As shown in Figure 6, the water flow regulating valve 13 includes a rotary knob 14 positioned outside the sheath body 3, the rotary knob 14 is connected with a tapered plunger 15, and the center of the plunger 15 is provided with a water inlet 16, and the water inlet 16 is connected to the The water injection channel 18 in the mirror tube is connected, and a water flow regulation groove 20 is opened on the outer peripheral surface of the plunger 15, and the water flow regulation groove 20 is connected with the water inlet 11 on the sheath body.

When in use, put the endoscope into the mirror sheath, and then insert the mirror sheath into the kidney percutaneously, so that the stone crushing in the kidney can be carried out in a visible state. The light beam insertion port of the endoscope is connected to the light guide, and the light source is connected to the endoscope through the light guide, so that the light emitted by the light source is guided by the endoscope to irradiate the object to be observed, and the object to be observed is irradiated by the optical system of the endoscope. For imaging, the eyecup of the endoscope is connected with the camera system, so that the observed object is displayed on the monitor. The instrument channel formed by the mirror tube of the endoscope and the sheath tube of the mirror sheath can be inserted into the lithotripsy system through the instrument inlet of the endoscope. When stones are seen on the monitor, they can be crushed with the lithotripsy system. When the endoscope and the mirror sheath are working, the water inlet on the mirror sheath is connected to the water source, and the water outlet is fed into the negative pressure suction device, and there is always water circulating in the whole process of operation. According to the operation situation, the water circulation can be controlled by turning the knob on the sheath body with fingers, and the water flow can be reduced or stopped.

Claims (9)

1. A multi-purpose endoscope, comprising a mirror tube, the mirror tube is connected with a main body, the main body is provided with a light guide insertion port and an observation system, it is characterized in that: a mirror sheath is connected outside the mirror tube, the mirror sheath Including the sheath body and the sheath tube, the sheath body is provided with a water inlet, and the water injection channel in the mirror tube of the water inlet is connected, a water flow regulating valve is provided on the sheath body, and an instrument channel and an optical channel parallel to the water injection channel are arranged in the mirror tube , wherein the other end of the instrument channel passes through the main body and is connected with the instrument inlet and water outlet on the main body. 2. The multipurpose endoscope according to claim 1, characterized in that: the instrument inlet and the water outlet are located in the same horizontal plane, the instrument inlet coincides with the center line of the main body, and the water outlet and the main body There is an included angle between them, the joint between the water outlet and the main body is connected by a circular arc transition, and the included angle between the instrument inlet and the water outlet is an acute angle. 3. The multi-purpose endoscope according to claim 1 or 2, characterized in that: the water flow regulating valve includes a rotary knob located outside the sheath, the rotary knob is connected with a tapered plunger, and the center of the plunger is opened There is a water inlet hole, which is connected with the water injection channel in the mirror tube, and a water flow regulation groove is opened on the outer peripheral surface of the plunger, and the water flow regulation groove is connected with the water inlet hole on the sheath body. 4. The multipurpose endoscope according to claim 1 or 2, characterized in that: the two sides of the optical system channel in the mirror body are respectively provided with a liquid inlet channel parallel to the optical channel, and the optical system channel is parallel to the optical channel. The line connecting the center of the system and the centers of the two inlet channels forms an isosceles triangle. 5. The multipurpose endoscope according to claim 3, characterized in that: both sides of the optical system channel in the mirror body are respectively provided with a liquid inlet channel parallel to the optical channel, and the optical system of the described optical system A line connecting the center and the centers of the two liquid inlet channels forms an isosceles triangle. 6. The multipurpose endoscope according to claim 5, characterized in that: the base angle of the isosceles triangle is 20°-40°. 7. The multi-purpose endoscope according to claim 1 or 2, characterized in that: a sheath lock is sleeved at the junction of the scope body and the sheath body. 8. The multipurpose endoscope according to claim 6, characterized in that: a sheath lock is sleeved at the junction of the mirror body and the sheath body. 9. The multipurpose endoscope according to claim 1 or 2, characterized in that: the observation system includes an observation tube positioned on the main body, the observation tube is arranged obliquely on the main body, and an eye mask is provided on the observation tube .

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