Endoscope protective sleeve with sputum suction function

Abstract

The endoscope protective sleeve with the sputum suction function comprises a buckle, a main sleeve pipe, a sputum suction pipe and a three-way connector, three connectors of the three-way connector are connected with the buckle, the main sleeve pipe and the sputum suction pipe respectively, an endoscope sleeve pipe is arranged in the main sleeve pipe, a lens is arranged at the bottom of the endoscope sleeve pipe, and the sputum suction pipe is connected with the lens. The top of the endoscope sleeve is inserted into a connector at the lower end of the three-way connector, the bottom of the buckle is inserted into the upper end of the three-way connector and connected with the top of the endoscope sleeve, the buckle is communicated with the interior of the endoscope sleeve, and the bottom of the sputum suction pipe is inserted into the upper end of the three-way connector and communicated with the interior of the main sleeve. A negative pressure switch is arranged on the outer wall of the buckle and controls the negative pressure device to be communicated with the sputum suction pipe. The negative pressure switch is arranged on the outer wall of the buckle, the negative pressure switch can be conveniently operated, opening and closing of a sputum suction pipe channel can be controlled, the endoscope can suck sputum at any time in the using process, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an endoscope protective cover with a sputum suction function. Background Art

[0002] During use, an endoscope or bronchoscope needs to be inserted into the body through an oral cannula. It needs to be thoroughly disinfected before and after use for different patients. If the disinfection is not thorough, cross infection is likely to occur.

[0003] CN217186044U discloses an endoscope protective cover, comprising a protective cover body, wherein the protective cover body is provided with an insertion channel. However, during the intubation process of the endoscope, sputum may adhere to the patient's trachea, which may block the airway and affect the patient's breathing if not cleaned in time.

[0004] CN219962825U discloses an endoscope or endoscope protective cover with a function of spraying medicine, suctioning sputum, providing oxygen, and providing a working channel. The protective cover mainly comprises a protective cover and a set of mounting parts. One or at least two tubes are arranged side by side on the protective cover. The endoscope is inserted into the mounting part of the protective cover. During the intubation medical process, the channel formed by these tubes can be used for spraying medicine, suctioning sputum, and providing oxygen. However, this method requires a syringe to be inserted into an injection port at the end of the tube during use. If multiple suctions are required during the operation, the syringe must be used multiple times for suctioning, resulting in inconvenience. Utility Model Content

[0005] The purpose of the utility model is to provide an endoscope protective cover with a sputum suction function in view of the deficiencies in the existing technology, so as to solve the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides an endoscope protective cover with a sputum suction function, comprising a buckle, a main sleeve, a sputum suction tube, and a three-way joint, wherein the three interfaces of the three-way joint are respectively connected to the buckle, the main sleeve, and the sputum suction tube, an endoscope sleeve is provided in the main sleeve, a lens is provided at the bottom of the endoscope sleeve, the top of the endoscope sleeve is inserted into the interface at the lower end of the three-way joint, the bottom of the buckle is inserted into an interface at the upper end of the three-way joint and is connected to the top of the endoscope sleeve, and the buckle is connected to the inside of the endoscope sleeve, the bottom of the sputum suction tube is inserted into the other interface at the upper end of the three-way joint and is connected to the inside of the main sleeve, the outer wall of the buckle is provided with a negative pressure switch, the top of the sputum suction tube is fixed to the buckle through the negative pressure switch, the sputum suction tube is connected to the negative pressure device through the negative pressure switch, and the negative pressure switch controls the connection between the negative pressure device and the sputum suction tube.

[0007] A bending tube is provided at the bottom of the main sleeve, the interior of the bending tube is communicated with the interior of the main sleeve, and the bottom of the endoscope sleeve is inserted into the bending tube.

[0008] The bending tube includes a rubber sleeve and a spring. The rubber sleeve is connected to the bottom of the main sleeve. The interior of the rubber sleeve is connected to the interior of the main sleeve. The spring is arranged in the rubber sleeve and expands and contracts along the length direction of the rubber sleeve.

[0009] The shape of the buckle is adapted to the shape of the operating part of the endoscope. The buckle includes a locking part and a connecting part. The bottom of the locking part is connected to the connecting part, and the locking part is connected to the inside of the connecting part. The connecting part is inserted into an interface above the three-way joint and connected to the top of the endoscope sleeve.

[0010] The locking portion includes a first locking portion, a second locking portion, and an insertion portion, which are connected in sequence from top to bottom. The first locking portion and the second locking portion are both arc-shaped. The arc length of the first locking portion is greater than the semi-circular arc length of its corresponding circle and less than three-quarters of the arc length of its corresponding circle. The arc length of the second locking portion is equal to the semi-circular arc length of its corresponding circle. A bayonet is provided on the arc of the second locking portion, and the bayonet extends outward along the outer wall of the arc of the second locking portion and is provided with a notch. The shape of the bayonet is adapted to the shape of the biopsy port at the side end of the operating portion. The outer circumference of the insertion portion is conical, and the inner diameter of the insertion portion gradually decreases from top to bottom.

[0011] The outer circumference of the connecting portion is circular, the outer diameter of the connecting portion is smaller than the inner diameter of the interface of the three-way joint, and the inner diameter of the connecting portion is larger than the outer diameter of the endoscope sleeve.

[0012] The negative pressure switch includes a button, a sliding rod, a first spring, a negative pressure joint, and a sputum suction pipe joint. The bottom of the sputum suction pipe joint is fixed to the outer wall of the buckle, the top of the sliding rod is connected to the button, the lower end of the sliding rod is inserted into the negative pressure joint and extends from the bottom of the negative pressure joint. The sliding rod moves up and down along the negative pressure joint through the button, one end of the first spring is connected to the lower end of the button, and the other end is connected to the top of the negative pressure joint. A blocking plate is provided at the bottom of the sliding rod, the outer circumference of the blocking plate is circular, and a card slot is provided inside the negative pressure joint. There are two of them, and the two card slots are respectively arranged at the upper and lower ends of the negative pressure joint. The inner diameter of the card slot is larger than the inner diameter of the middle part of the negative pressure joint. The outer diameter of the sealing plate is larger than the inner diameter of the middle part of the negative pressure joint and smaller than the inner diameter of the card slot. The bottom of the negative pressure joint is connected to the suction pipe joint, and the negative pressure joint is connected to the inside of the suction pipe joint. A negative pressure interface is provided in the middle of the side wall of the negative pressure joint, and the negative pressure interface is connected to the inside of the negative pressure joint. A suction pipe interface is provided on the side wall of the suction pipe joint, and the suction pipe interface is connected to the inside of the suction pipe joint.

[0013] The endoscope protective cover with sputum suction function obtained by the above technical solution has the following beneficial effects:

[0014] The operating part above the endoscope is fixed by a buckle so that the endoscope will not fall off the endoscope protective cover during operation, making the operation of the endoscope more stable.

[0015] A negative pressure switch is provided on the outer wall of the buckle. When operating through the endoscope, the negative pressure switch can be conveniently operated by holding the operating part of the endoscope by holding the buckle to control the opening and closing of the suction tube passage, so that the endoscope can be used for suction at any time during use, which is more convenient to operate.

[0016] A bending tube is provided below the main sleeve, and the bending tube can bend along the bending direction of the insertion portion at the bottom of the endoscope without blocking the sight of the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the endoscope protective cover with sputum suction function described in the utility model;

[0018] Figure 2 This is a cross-sectional view of the endoscope protective cover with sputum suction function described in the present invention;

[0019] Figure 3 This utility model Figure 2 A magnified view of the structure of part A;

[0020] Figure 4 This utility model Figure 2 A magnified view of the structure of part B;

[0021] Figure 5 It is a structural diagram of the buckle of the utility model;

[0022] Figure 6 It is a schematic structural diagram of the endoscope of the present invention;

[0023] Figure 7 This is an exploded view of the negative pressure switch of the present invention;

[0024] Figure 8 It is a cross-sectional view of the negative pressure switch of the present utility model.

[0025] In the figure, 1. buckle; 2. main sleeve; 3. suction tube; 4. three-way connector; 5. endoscope sleeve; 6. lens; 7. bending tube; 8. negative pressure switch; 9. endoscope; 11. locking part; 11a. first locking part; 11b. second locking part; 11b1. bayonet; 11c. insertion part; 12. connecting part; 71. rubber sleeve; 72. spring; 81. button; 82. slide bar; 82a. blocking plate; 83. first spring; 84. negative pressure connector; 84a. slot; 84b. negative pressure interface; 85. suction tube connector; 85a. suction tube interface; 9a. insertion part; 9b. operating part; 9c. biopsy port. DETAILED DESCRIPTION

[0026] The following is a further embodiment of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] like Figure 1-3 、 Figure 6As shown, an endoscope protective cover with a sputum suction function comprises a buckle 1, a main sleeve 2, a sputum suction tube 3, and a three-way joint 4. The three interfaces of the three-way joint 4 are respectively connected to the buckle 1, the main sleeve 2, and the sputum suction tube 3. An endoscope sleeve 5 is provided in the main sleeve 3, and a lens 6 is provided at the bottom of the endoscope sleeve 5. The top of the endoscope sleeve 5 is inserted into the interface at the lower end of the three-way joint 4, the bottom of the buckle 1 is inserted into an interface at the upper end of the three-way joint 4 and is connected to the top of the endoscope sleeve 5, and the buckle 1 is connected to the inside of the endoscope sleeve 5, and the bottom of the sputum suction tube 3 is inserted into the other interface at the upper end of the three-way joint 4 and is connected to the inside of the main sleeve. A negative pressure switch 8 is provided on the outer wall of the buckle 1, and the top of the sputum suction tube 3 is fixed to the buckle 1 through the negative pressure switch 8. The sputum suction tube 3 is connected to the negative pressure device through the negative pressure switch 8, and the negative pressure switch 8 controls the communication between the negative pressure device and the sputum suction tube 3. Insert the insertion part 9a of the endoscope 9 into the endoscope sleeve 5 through the buckle 1, and observe through the lens 6 at the bottom. When suction is needed, turn on the negative pressure switch 8 to connect the suction tube 3 with the negative pressure device, so that negative pressure is generated inside the suction tube 3, and then negative pressure is generated inside the main sleeve 2. The sputum enters the suction tube 3 through the main sleeve 2 and is adsorbed to the sputum collection device of the negative pressure device. When the suction is completed, turn off the negative pressure switch 8.

[0028] A bending tube 7 is provided at the bottom of the main sleeve 2 , the interior of the bending tube 7 is connected to the interior of the main sleeve 2 , and the bottom of the endoscope sleeve 5 is inserted into the bending tube 7 .

[0029] like Figure 4 As shown, the bending tube 7 includes a rubber sleeve 71 and a spring 72. The rubber sleeve 71 is connected to the bottom of the main sleeve 2, and the interior of the rubber sleeve 71 is connected to the interior of the main sleeve 2. The spring 72 is disposed within the rubber sleeve 71 and expands and contracts along the length of the rubber sleeve. When using the endoscope 9, it is often necessary to adjust the direction of the insertion portion 9a at the bottom. The insertion portion 9a is bent in different directions using the operating portion 9b above the endoscope 9. At this time, the endoscope sleeve 5 bends accordingly and hits the bending tube 7. At this time, the spring 72 bends along with the endoscope sleeve 5, thereby causing the outer rubber sleeve 71 to bend synchronously, so as not to block the lens 6 at the bottom of the endoscope sleeve 5.

[0030] like Figure 5As shown, the shape of the buckle 1 is adapted to the shape of the operating portion 9b of the endoscope 9. The buckle 1 includes a locking portion 11 and a connecting portion 12. The bottom of the locking portion 11 is connected to the connecting portion 12. The locking portion 11 is internally connected to the connecting portion 12. The connecting portion 12 is inserted into an interface above the three-way connector 4 and connected to the top of the endoscope sleeve 5. The buckle 1 is made of ABS plastic with a certain degree of elasticity so that the operating portion 9b can be snapped into the buckle 1.

[0031] The locking portion 11 includes a first locking portion 11a, a second locking portion 11b, and an insertion portion 11c. The first locking portion 11a, the second locking portion 11b, and the insertion portion 11c are connected in sequence from top to bottom. The first locking portion 11a and the second locking portion 11b are both arc-shaped. The arc length of the first locking portion 11a is greater than the semi-circular arc length of the circle to which it corresponds and less than three-quarters of the arc length of the circle to which it corresponds. The arc length of the second locking portion 11b is equal to the semi-circular arc length of the circle to which it corresponds. A bayonet 11b1 is provided on the arc of the second locking portion 11b. The bayonet 11b1 extends outward along the outer wall of the arc of the second locking portion 11b and is provided with a notch. The shape of the bayonet 11b1 is adapted to the shape of the biopsy port 9c at the side end of the operating portion 9b. The outer circumference of the insertion portion 11c is conical, and the inner diameter of the insertion portion 11c gradually decreases from top to bottom. During use, the insertion portion of the endoscope enters the endoscope sleeve 5 through the buckle 1, and the bottom of the operating portion 9b above the insertion portion of the endoscope is inserted into the insertion portion 11c, and the upper portion is clamped into the first clamping portion 11a and the second clamping portion 11b.

[0032] The outer circumference of the connecting portion 12 is circular, and the outer diameter of the connecting portion 12 is smaller than the inner diameter of the interface of the three-way connector 4, and the inner diameter of the connecting portion 12 is larger than the outer diameter of the endoscope cannula 5. The connecting portion 12 can be inserted into the interface of the three-way connector 4 and sleeved on the top of the endoscope cannula 5 to communicate with the interior of the endoscope cannula 5.

[0033] like Figure 7 、 Figure 8As shown, the negative pressure switch 8 includes a button 81, a slide bar 82, a first spring 83, a negative pressure joint 84, and a sputum suction pipe joint 85. The bottom of the sputum suction pipe joint 85 is fixed to the outer wall of the buckle 1, the top of the slide bar 82 is connected to the button 81, the lower end of the slide bar 82 is inserted into the negative pressure joint 84 and extends from the bottom of the negative pressure joint 84, the slide bar 82 moves up and down along the negative pressure joint 84 through the button 81, one end of the first spring 83 is connected to the lower end of the button 81, and the other end is connected to the top of the negative pressure joint 84, a blocking plate 82a is provided at the bottom of the slide bar 82, the outer circumference of the blocking plate 82a is circular, a card slot 84a is provided inside the negative pressure joint 84, the card slot There are two 84a, and the two card slots 84a are respectively arranged at the upper and lower ends of the negative pressure joint 84, the inner diameter of the card slot 84a is larger than the inner diameter of the middle part of the negative pressure joint 84, the outer diameter of the sealing plate 82a is larger than the inner diameter of the middle part of the negative pressure joint 84, and smaller than the inner diameter of the card slot 84a, the bottom of the negative pressure joint 84 is connected to the suction pipe joint 85, the negative pressure joint 84 is connected to the interior of the suction pipe joint 85, a negative pressure interface 84b is provided in the middle of the side wall of the negative pressure joint 84, the negative pressure interface 84b is connected to the interior of the negative pressure joint 84, the side wall of the suction pipe joint 85 is provided with a suction pipe interface 85a, the suction pipe interface 85a is connected to the interior of the suction pipe joint 85.

[0034] During use, the user holds the buckle 1 with the thumb on the button 81. When suction is required, the user presses the button 81 downward, causing the slide bar 82 to move downward along the inner wall of the negative pressure connector 84 and then contact the suction connector 85. At this time, the negative pressure interface 84b is connected to the suction tube interface 85a through the negative pressure connector 84 and the suction tube connector 85, and the suction tube 3 is connected to the negative pressure device. After use, the user releases the button 81. The button moves upward under the elastic force of the first spring 83, driving the slide bar 82 to move upward along the inner wall of the negative pressure connector 84. At this time, the upper part of the blocking plate 82a contacts the upper wall of the slot 84a below the negative pressure connector 84, blocking the passage below the negative pressure interface 84a. A rubber ring can be placed on the slide bar 82 to increase the sealing effect. At this time, the negative pressure interface 84b is disconnected from the suction tube interface 85a, and the suction tube 3 is disconnected from the negative pressure device.

[0035] When the patient needs to use the endoscope 9 to enter the trachea, the endoscope 9 is inserted into the endoscope sleeve 5 through the buckle 1, and the insertion part 9a at the lower end of the endoscope 9 is inserted into the bottom of the endoscope sleeve 5, the operating part 9b above the endoscope 9 is clamped on the buckle and fixed, and the negative pressure switch 8 is connected to the negative pressure device. At this time, the outer wall of the buckle 1 is held by hand, and the bottom of the endoscope sleeve 5 is inserted into the trachea. During the insertion into the trachea, the condition of the tracheal wall is observed through the endoscope 5. If sputum accumulation is observed, the negative pressure switch 8 is turned on. After the negative pressure, the sputum is sucked out upward through the end of the main sleeve 2. After the suction is completed, the negative pressure switch 8 is turned off. The sputum can be adsorbed in real time during the intubation process. After use, the endoscope 9 is taken out and the used protective cover is discarded. A new protective cover is used when the next patient uses it to avoid cross infection.

[0036] The above technical solutions only reflect the preferred technical solutions of the present utility model. Any changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the scope of protection of the present utility model.

Claims

1. An endoscope protective cover with a sputum suction function, comprising a buckle (1), a main sleeve (2), a sputum suction tube (3), and a three-way connector (4), characterized in that: The three interfaces of the three-way joint (4) are respectively connected to the buckle (1), the main sleeve (2), and the sputum suction tube (3); an endoscope sleeve (5) is provided in the main sleeve (2); a lens (6) is provided at the bottom of the endoscope sleeve (5); the top of the endoscope sleeve (5) is inserted into the interface at the lower end of the three-way joint (4); the bottom of the buckle (1) is inserted into an interface at the upper end of the three-way joint (4) and is connected to the top of the endoscope sleeve (5); and the buckle (1) is connected to the The interior of the endoscope sleeve (5) is connected, the bottom of the suction tube (3) is inserted into another interface at the upper end of the three-way connector (4) and is connected to the interior of the main sleeve (2), the outer wall of the buckle (1) is provided with a negative pressure switch (8), the top of the suction tube (3) is fixed to the buckle (1) through the negative pressure switch (8), the suction tube (3) is connected to the negative pressure device through the negative pressure switch (8), and the negative pressure switch (8) controls the connection between the negative pressure device and the suction tube (3).

2. The endoscope protective cover with sputum suction function according to claim 1, characterized in that: A bending tube (7) is provided at the bottom of the main sleeve (2), the interior of the bending tube (7) is connected to the interior of the main sleeve (2), and the bottom of the endoscope sleeve (5) is inserted into the bending tube (7).

3. The endoscope protective cover with sputum suction function according to claim 2, characterized in that: The bending tube (7) comprises a rubber sleeve (71) and a spring (72); the rubber sleeve (71) is connected to the bottom of the main sleeve (2); the interior of the rubber sleeve (71) is connected to the interior of the main sleeve (2); the spring (72) is arranged in the rubber sleeve (71), and the spring (72) expands and contracts along the length direction of the rubber sleeve (71).

4. The endoscope protective cover with sputum suction function according to claim 1, characterized in that: The shape of the buckle (1) is adapted to the shape of the operating portion (9b) of the endoscope (9), and the buckle (1) comprises a stopper (11) and a connecting portion (12). The bottom of the stopper (11) is connected to the connecting portion (12), and the stopper (11) is internally connected to the connecting portion (12). The connecting portion (12) is inserted into an interface above the three-way connector (4) and is connected to the top of the endoscope sleeve (5).

5. The endoscope protective cover with sputum suction function according to claim 4, characterized in that: The locking portion (11) comprises a first locking portion (11a), a second locking portion (11b), and an inserting portion (11c). The first locking portion (11a), the second locking portion (11b), and the inserting portion (11c) are sequentially connected from top to bottom. The first locking portion (11a) and the second locking portion (11b) are both arc-shaped. The arc length of the first locking portion (11a) is greater than the semicircular arc length of the corresponding circle and less than three-quarters of the arc length of the corresponding circle. The second locking portion (11a) is greater than the semicircular arc length of the corresponding circle and less than three-quarters of the arc length of the corresponding circle. The arc length of (11b) is equal to the semicircular arc length of the circle to which it corresponds, and a bayonet (11b1) is provided on the arc of the second stop portion (11b), and the bayonet (11b1) extends outward along the outer wall of the arc of the second stop portion (11b) and is provided with a notch, and the shape of the bayonet (11b1) is adapted to the shape of the biopsy port (9c) at the side end of the operating portion (9b), the outer periphery of the insertion portion (11c) is conical, and the inner diameter of the insertion portion (11c) gradually decreases from top to bottom.

6. The endoscope protective cover with sputum suction function according to claim 4, characterized in that: The outer circumference of the connecting portion (12) is circular, the outer diameter of the connecting portion (12) is smaller than the inner diameter of the interface of the three-way connector (4), and the inner diameter of the connecting portion (12) is larger than the outer diameter of the endoscope sleeve (5).

7. The endoscope protective cover with sputum suction function according to claim 1, characterized in that: The negative pressure switch (8) includes a button (81), a slide bar (82), a first spring (83), a negative pressure joint (84), and a sputum suction pipe joint (85). The bottom of the sputum suction pipe joint (85) is fixed to the outer wall of the buckle (1). The top of the slide bar (82) is connected to the button (81). The lower end of the slide bar (82) is inserted into the negative pressure joint (84) and extends from the bottom of the negative pressure joint (84). The slide bar (82) moves up and down along the inside of the negative pressure joint (84) through the button (81). One end of the first spring (83) is connected to the lower end of the button (81), and the other end is connected to the top of the negative pressure joint (84). A blocking plate (82a) is provided at the bottom of the slide bar (82). The outer periphery of the blocking plate (82a) is circular. A card slot (84a) is provided inside the negative pressure joint (84). The number of the card slots (84a) is two, and the two card slots (84a) are respectively arranged at the upper and lower ends of the negative pressure joint (84); the inner diameter of the card slot (84a) is larger than the inner diameter of the middle part of the negative pressure joint (84); the outer diameter of the blocking plate (82a) is larger than the inner diameter of the middle part of the negative pressure joint (84) and smaller than the inner diameter of the card slot (84a); the bottom of the negative pressure joint (84) is connected to the suction pipe joint (85); the negative pressure joint (84) is connected to the inside of the suction pipe joint (85); a negative pressure interface (84b) is provided in the middle of the side wall of the negative pressure joint (84); the negative pressure interface (84b) is connected to the inside of the negative pressure joint (84); a suction pipe interface (85a) is provided on the side wall of the suction pipe joint (85); the suction pipe interface (85a) is connected to the inside of the suction pipe joint (85).

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