CN109998452A - A kind of endoscope casing tube - Google Patents

Abstract

The present invention relates to an endoscope sleeve. The endoscope sleeve includes a sleeve for the endoscope to penetrate, a lens mounted on the front end of the sleeve, and a fixing structure fixed at the rear end of the sleeve, the fixing structure is used for fixed connection with the endoscope handle, the The cannula is provided with a suction channel and an air intake channel along its length direction, the front end of the suction channel extends to the front side of the cannula, and is used for sucking out the secretions of the patient, and the air outlet of the air intake channel is arranged toward the lens, Used to blow air into the lens. When the endoscope sleeve of the present invention is used, the endoscope and the endoscope sleeve are inserted into the patient's body, and when the patient encounters a lot of secretions, the negative pressure suction device is connected to the rear end of the suction channel, and the suction is removed. Excessive secretions in the patient's body enhance the endoscopic imaging effect, thereby enhancing the inspection accuracy. When encountering secretions adhering to the lens, the air is sucked through the air inlet channel to blow away the secretions on the lens to complete the cleaning of the lens.

Description

an endoscope tube

technical field

The present invention relates to an endoscope sleeve.

Background technique

At present, medical flexible endoscopes have been widely used in the field of inspection, diagnosis and treatment of human body parts such as anorectum, esophagus, stomach, and ENT. It has become an indispensable method in modern medicine because of its advantages of intuitive observation, accurate results, and little damage to tissues. However, medical flexible endoscopes have to penetrate deep into the patient's body and inevitably come into contact with the patient's body fluids, blood, organs and tissues. If the disinfection is not thorough, there will be some incalculable consequences such as cross infection.

Due to the particularity of its material and structure, flexible endoscopes cannot be sterilized by traditional high pressure steam; and because flexible endoscopes integrate CCD imaging devices, light-transmitting lighting devices, biopsy channels and other components, resulting in flexible endoscopes. The cost of the mirror is high, and it is impossible to use it once. At present, medical flexible endoscopes are mainly disinfected by soaking and rinsing in disinfectant, which is not stable enough. In addition, during the use of traditional flexible endoscopes, if there is dirt on the mirror surface, it will seriously affect the image observation effect, and it must be cleaned before continuing to use, which is very inconvenient, and also brings great harm to patients. pain.

To this end, the Chinese utility model patent with the authorized publication number CN201085616Y discloses an endoscope sleeve, the endoscope sleeve includes a sleeve through which an endoscope probe can be inserted, a lens provided at the front end of the sleeve, and a A flange ring at the rear end of the sleeve, wherein the sleeve is provided with a treatment channel, and the sleeve is also provided with a liquid guide channel and an air guide channel penetrating the outer wall of the lens. Set on the outer wall of the lens. Spray water and air to the lens through the liquid guide channel and air guide channel to clean the outer wall of the lens and keep the lens clean. However, when the endoscope sleeve is used in conjunction with the endoscope to examine the human body, if the patient's secretions are too much, the image will be blurred, which reduces the accuracy of endoscopy; and the patient's secretions may also Adhered to the lens, the lens needs to be cleaned, which increases the endoscopy time and increases the pain of the patient.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an endoscope sleeve to solve the technical problems of long inspection time and low accuracy caused by patient secretions during endoscopy in the prior art.

The technical scheme of the endoscope sleeve of the present invention is:

An endoscope sleeve includes a sleeve for the endoscope to penetrate, a lens mounted on the front end of the sleeve, and a fixing structure fixed at the rear end of the sleeve, and the fixing structure is used for fixed connection with the endoscope handle, so the The cannula is provided with a suction channel and an air intake channel along its length direction, the front end of the suction channel extends to the front side of the cannula, and is used for suctioning the patient's secretions, and the air outlet of the air intake channel is arranged toward the lens , which is used to blow air to the lens; the inner wall of the front end of the sleeve is provided with an elastic sheet for matching with the card slot on the lens.

The beneficial effects are: when the endoscope sleeve of the present invention is used, the endoscope is inserted into the sleeve, the front end of the endoscope is fitted with the lens, and the fixing structure is fixedly connected with the endoscope handle. The endoscope and the endoscope sleeve are inserted into the patient's body. When there is a lot of secretions from the patient, the negative pressure suction device is connected to the back end of the suction channel to suck away the excess secretions in the patient's body and enhance the internal secretion. Speculum imaging effect, thereby increasing the inspection accuracy. When encountering secretions adhering to the lens, the air is sucked through the air inlet channel to blow away the secretions on the lens to complete the cleaning of the lens. Compared with the endoscope sleeve in the prior art, the endoscope sleeve of the present invention sucks the secretions from the patient's body through the suction channel, thereby improving the imaging effect of the endoscope and enhancing the inspection accuracy; The air channel blows air onto the lens to keep the lens clean. At the same time, the inner wall of the front end of the sleeve is provided with a shrapnel adapted for the slot on the lens, which prevents the lens from moving axially during use, thereby enhancing the reliability of the present invention, increasing the success rate of one-time detection, and avoiding the need for Pain caused by multiple intubations.

Further, an air intake pipe and a suction pipe are respectively fixedly connected to the outer surface of the sleeve, the pipe hole of the air intake pipe constitutes the intake passage, and the pipe hole of the suction pipe constitutes the suction passage. The air inlet passage is formed by the air inlet pipe arranged outside the casing, and the suction passage is formed by the suction pipe arranged outside the casing, which is convenient for installation and helps the sealing of the casing.

Further, the air intake pipe and the suction pipe are located on both sides of the sleeve. The intake and suction tubes are located on either side of the casing for easy setup.

Further, the included angle between the front end of the air intake pipe and the lens is 10-15°. The front end of the intake pipe and the lens form an included angle of 10 to 15°, which is convenient for the intake pipe to blow air onto the lens and helps to reduce the blocking of the intake pipe to the lens.

Further, the rear ends of the air intake pipe and the suction pipe extend along the radial direction of the sleeve. The rear ends of the air intake pipe and the suction pipe extend along the radial direction of the casing, which is helpful for connection with external equipment.

Further, the cross-sections of the air intake pipe and the suction pipe are both crescent-shaped, and the curved surfaces of the crescent-shaped air intake pipe and the suction pipe are used to fit with the outer wall surface of the sleeve. The cross-sections of the intake pipe and the suction pipe are both crescent-shaped, which enhances the degree of fit between the intake pipe and the suction pipe and the outer wall surface of the casing.

Further, the endoscope sleeve further includes an ear suction ball connected to the air inlet of the air inlet channel, and the suction ear ball is a one-way suction ear ball. The endoscope sleeve also includes an ear suction ball connected to the air inlet of the air inlet channel, and the suction ear ball is a one-way type to help blow air on the lens. In addition, the gas entering the patient's body cannot flow out of the body, so that the gas accumulates at the examination site and the observation range can be expanded.

Further, the fixing structure includes a conical tube fixedly connected to the rear end of the sleeve, and the rear end of the conical tube is provided with an inner thread for matching with the outer thread on the endoscope handle. The fixing structure includes a conical tube, and the conical tube is threadedly connected with the endoscope handle, and the connection strength is high.

Description of drawings

Fig. 1 is the structural representation of the endoscope sleeve of the present invention;

In the figure: 1-cannula; 2-suction tube; 3-air inlet; 31-air outlet; 32-air inlet; 4-lens; 5-fixing ring; 6-conical tube; 7-suction ear ball; 8 - Shrapnel.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

The first specific embodiment of the endoscope sleeve of the present invention, as shown in FIG. 1 , includes a sleeve 1 for the endoscope to penetrate, a lens 4 installed at the front end of the sleeve 1, and a lens 4 fixedly connected to the rear end of the sleeve 1. fixed structure. The sleeve 1 is a cylindrical tubular structure made of a transparent film, and the lens 4 is fixed on the front end of the sleeve 1. The inner wall of the front end of the sleeve 1 is provided with a component that is engaged with the lens. The component includes a ring bonded in the sleeve 1. The ring has a plurality of elastic pieces 8 arranged at intervals in the circumferential direction. A card slot is provided, and the elastic piece 8 is fixed with the card slot. At this time, the lens 4 is attached to the front end of the lens.

In this embodiment, the fixing structure includes a hard conical sleeve fixedly connected to the rear side of the sleeve 1 , the front end of the conical sleeve is smaller than the rear end, and the rear end of the conical sleeve is provided with internal threads. The tapered sleeve is fixedly connected to the endoscope handle by arranging an outer thread that matches the inner thread on the endoscope handle. The endoscope worn in the endoscope sleeve is isolated from the outside world, so that the endoscope is prevented from contacting with the body fluid of the patient.

Both sides of the cannula 1 are provided with an air intake tube 3 and a suction tube 2 extending along the length of the cannula 1, and the front end of the suction tube 2 extends to the front side of the lens 4 for sucking out patient secretions; The air port 32 is arranged toward the lens, and is used for blowing air on the lens 4 to keep the lens 4 clean. Specifically, two rows of fixing rings 5 are fixedly connected to the casing 1 , and the two rows of fixing rings 5 extend along the length direction of the casing 1 . The fixing ring 5 is also made of film, and is bonded and fixed with the sleeve 1 . The intake pipe 3 is inserted into one row of fixing rings 5 , and the suction pipe 2 is inserted into the other row of fixing rings 5 . The rear end of the suction tube 2 is closely fixed to the outer wall surface of the conical tube 6 , and the rear end of the suction tube 2 extends along the radial direction of the conical tube 6 so as to be connected with the negative pressure suction device. The rear end of the intake pipe 3 is also closely fixed to the outer wall surface of the conical pipe 6 , and the rear end of the intake pipe 3 also extends along the radial direction of the conical pipe 6 . The included angle between the front end of the air intake pipe 3 and the lens 4 is 10-15°. On the one hand, this arrangement helps the air intake pipe 3 to blow air on the lens 4, and on the other hand, helps to reduce the impact of the air intake pipe 3 on the lens 4. Block to ensure the field of view of the endoscope.

In this embodiment, the intake pipe 3 and the suction pipe 2 are both hoses made of soft materials, and the cross-sections of the intake pipe 3 and the suction pipe 2 are crescent-shaped, and the arc of the crescent-shaped intake pipe 3 and the suction pipe 2 The surface is in close contact with the outer wall surface of the sleeve 1, which enhances the fit of the intake pipe 3 and the suction pipe 2 with the sleeve 1, and prevents the intake pipe 3 and the suction pipe 2 from rotating.

The endoscope sleeve of the present invention further includes an ear suction ball 7 fixedly connected to the air inlet 32 of the air inlet pipe 3, and the suction ear ball 7 is a one-way type ear suction ball. The one-way ear suction bulb includes a suction ear bulb body and a one-way ventilation valve. There are two one-way vent flaps, one of which is placed in the upper port of the suction bulb body and the other one-way vent valve is placed in the lower port of the suction bulb body. When the suction bulb body is squeezed, the one-way ventilation valve on the lower side is closed, and the one-way ventilation valve on the upper side opens to take in air into the air intake pipe 3; when the suction bulb body is released, the one-way ventilation valve on the upper side is opened. When closed, the one-way ventilating valve on the lower side is opened, and the outside air enters the main body of the suction ear bulb. It should be noted that the one-way ear suction ball in this embodiment has the same structure as an improved ear suction ball disclosed in the Chinese utility model patent with the authorization announcement number CN202315927U. The main body of the ear suction ball in this embodiment is a one-way suction ball, which helps to blow air onto the lens 4. In addition, the gas entering the patient's body cannot flow out of the body, so that the gas accumulates at the inspection site, which can expand the observation range. Increased inspection accuracy.

The use principle of the endoscope sleeve of the present invention is as follows: the endoscope is inserted into the sleeve 1, the front end of the endoscope is attached to the lens 4, and the elastic piece 8 is engaged with the slot on the endoscope handle fixed. The endoscope and the endoscope sleeve are inserted into the patient's body. When there is a lot of secretions from the patient, the negative pressure suction device is connected to the back end of the suction channel to suck away the excess secretions in the patient's body and enhance the internal secretion. Speculum imaging effect, thereby enhancing inspection accuracy. When encountering secretions adhering to the lens 4, squeeze the suction ball 7 to inhale air into the air intake pipe 3, and the air outlet 31 of the air intake pipe 3 blows air to the lens 4 to blow away the secretions on the lens 4, The cleaning of the lens 4 is completed; at the same time, the gas left in the inspection site expands the inspection range and further enhances the inspection accuracy.

The difference between the specific embodiment 2 of the endoscope sleeve of the present invention and the specific embodiment 1 of the endoscope sleeve is that the air intake channel and the suction channel in this embodiment can also be formed by being provided in the sleeve. The structure of the channel is the same as that of the first embodiment, and will not be repeated here.

The third embodiment of the endoscope sleeve of the present invention is different from the first embodiment of the endoscope sleeve in that a rigid connection ring is fixedly connected to the inner wall of the front end of the sleeve in this embodiment, and the connection is An inner thread is arranged on the ring, and an outer thread is arranged on the endoscope lens to be fixedly connected with the connecting ring, and the front end of the endoscope is fixed to the sleeve. Other structures are the same as those of the first embodiment, and are not repeated here.

The specific embodiment 4 of the endoscope sleeve of the present invention is different from the specific embodiment 1 of the endoscope sleeve in that the air intake pipe and the suction pipe in this embodiment are located on the same side of the sleeve. Others are the same as those in the first embodiment, and are not repeated here.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (8)

1. An endoscope sleeve, comprising a sleeve (1) for an endoscope to penetrate, a lens (4) installed at the front end of the sleeve (1) and a fixing structure fixed at the rear end of the sleeve (1), The fixing structure is used for fixed connection with the endoscope handle, and is characterized in that: the sleeve (1) is provided with a suction channel and an air intake channel along its length direction, and the front end of the suction channel extends to the sleeve (1). The front side of 1) is used for sucking out the secretions of the patient, the air outlet (31) of the air inlet channel is arranged toward the lens (4), and is used for blowing air to the lens (4); The inner wall of the front end is provided with an elastic piece (8) adapted to fit with the card slot on the lens. 2. The endoscope sleeve according to claim 1, characterized in that: an air inlet pipe (3) and a suction pipe (2) are respectively fixedly connected to the outer surface of the sleeve (1), and the air inlet pipe The pipe hole of (3) constitutes the air intake passage, and the pipe hole of the suction pipe (2) constitutes the suction passage. 3 . The endoscope sleeve according to claim 2 , wherein the air inlet pipe ( 3 ) and the suction pipe ( 2 ) are located on both sides of the sleeve ( 1 ). 4 . 4 . The endoscope sleeve according to claim 2 , wherein the angle between the front end of the air inlet pipe ( 3 ) and the lens ( 4 ) is 10° to 15°. 5 . 5 . The endoscope sleeve according to claim 2 , wherein the rear ends of the air inlet pipe ( 3 ) and the suction pipe ( 2 ) extend along the radial direction of the sleeve ( 1 ). 6 . 6. The endoscope sleeve according to claim 2, characterized in that: the cross-sections of the air inlet pipe (3) and the suction pipe (2) are both crescent-shaped, and the crescent-shaped air inlet pipe (3) and the suction pipe The arc surface of (2) is used to fit with the outer wall surface of the casing. 7. The endoscope sleeve according to any one of claims 1 to 6, characterized in that: the endoscope sleeve further comprises an ear suction ball connected to the air inlet (32) of the air inlet channel (7), the ear suction ball (7) is a one-way type ear suction ball. 8. The endoscope sleeve according to any one of claims 1 to 6, wherein the fixing structure comprises a tapered tube (6) fixedly connected to the rear end of the sleeve (1), and the tapered The rear end of the tube (6) is provided with an inner thread for mating with the outer thread on the endoscope handle.