Nursing sputum aspirator

Abstract

The utility model relates to the technical field of nursing instruments, in particular to a nursing sputum aspirator which comprises a connecting shell and an air inlet cavity formed in the connecting shell, the two connecting cavities are formed in the connecting shell, piston discs are movably arranged on the inner walls of the connecting cavities, and a switching assembly is arranged on the inner wall of the air inlet cavity. The sputum of a patient can be sucked out and into the air inlet cavity through the catheter by pulling the piston plate, then the interior of the connecting cavity is inflated through the connecting pipe, the connecting pipe and the connecting groove can be switched by pushing the piston disc and pulling the piston plate to the switching assembly, and at the moment, the tension spring pulls the piston disc to reset, air in the air inlet cavity can be pulled, so that the sputum of the patient can be sucked out and sucked into the air inlet cavity. And when the connecting pipe inflates the interior of the connecting cavity, when the tension spring is reset, the situation that a manual plug is additionally arranged in order to exhaust gas in the connecting cavity is avoided, and the overall automation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nursing instrument technical field, concretely is a nursing sputum suction device. BACKGROUND

[0002] The nursing sputum suction device is a medical equipment, and is mainly used for helping patients who cannot remove respiratory tract secretions by themselves, such as patients in an intensive care unit, postoperative patients, long-term bedridden patients and patients with respiratory diseases.

[0003] However, in actual use, patients cannot spit sputum by themselves when they are unconscious, and then nurses need to help, the nurses suck out the sputum in the nose or throat of the patient through the nursing sputum suction device, help the patient to breathe normally, and the existing nursing sputum suction device is used, the sputum in the nose or throat of the patient is sucked out through the catheter and enters the cylinder, the catheter is taken out after sputum suction is completed, but since the catheter is placed in the mouth and nose of the patient, the catheter is covered with fog, it cannot be observed whether the catheter still has sputum, and the nurses may overlook the situation in the catheter after sputum suction is completed, so that the catheter still has residual sputum, and therefore the surrounding environment of the patient is polluted, therefore, we propose a nursing sputum suction device. SUMMARY

[0004] One of the technical problems to be solved by the present application is how to design a nursing sputum suction device that can passively suck out residual sputum in the catheter after sputum suction.

[0005] To solve the above technical problems, the present application provides a nursing sputum suction device, which comprises a connecting shell, an air inlet cavity formed in the connecting shell, a piston plate movably arranged in the air inlet cavity, a catheter arranged on the connecting shell and a collection tank arranged at the bottom of the connecting shell, and further comprises:

[0006] A connecting cavity is formed in the interior of the connecting shell, and two connecting cavities are formed therein;

[0007] A connecting groove is formed in the inner wall of the connecting cavity, so that the connecting cavity and the air inlet cavity are connected through the connecting groove;

[0008] A connecting pipe is arranged in the interior of the connecting shell, and the two ends of the connecting pipe are arranged in the interiors of the connecting cavity and the air inlet cavity, respectively;

[0009] A piston disc is movably arranged in the inner wall of the connecting cavity;

[0010] A switching assembly is arranged in the inner wall of the air inlet cavity, and is used for closing and opening the connection between the connecting groove, the connecting pipe and the interior of the air inlet cavity, so that the sputum in the catheter can be sucked out again.

[0011] In some embodiments, the inner wall of the air inlet cavity is provided with a groove, the switching assembly comprises a baffle plate movably arranged on the inner wall of the groove, and the inner wall of the groove is movably provided with a straight plate, and the end surface of the straight plate is arranged on the outer surface of the baffle plate.

[0012] In some embodiments, the inner part of the straight plate is provided with a guide column, the end surface of the guide column is movably arranged on the inner wall of the groove, the outer surface of the guide column is sleeved with a torsion spring, the two ends of the torsion spring are movably arranged on the inner wall of the groove and the outer surface of the guide column respectively, the side surface of the straight plate is movably arranged with a sliding rod, and the outer surface of the sliding rod is movably arranged on the side surface of the piston plate.

[0013] In some embodiments, the inner wall of the connecting cavity is provided with a fixed tube at both ends, one end of the fixed tube penetrates through the inner part of the connecting cavity and communicates with the outer surface of the connecting shell, the outer surface of the fixed tube is sleeved with a straight tube, the inner part of the piston plate is movably sleeved on the outer surface of the straight tube, the end surface of the piston plate is provided with a tension spring, the other end of the tension spring is arranged on the inner wall of the connecting cavity, and the outer surface of the fixed tube close to the catheter is provided with a plurality of square grooves.

[0014] In some embodiments, the end surface of the straight tube is provided with a sliding groove, the inner part of the sliding groove is movably arranged with a moving plate, the top of the moving plate is provided with two fixed blocks, the adjacent sides of the two fixed blocks are movably arranged on both ends of the piston plate respectively, the outer surface of the fixed tube provided with the square groove is movably sleeved with a gas blocking cylinder, and the end surface of the gas blocking cylinder is arranged on the side surface of the moving plate.

[0015] In some embodiments, the side of the piston plate away from the catheter is provided with a pull rod, one end of the pull rod penetrates through the inner wall of the air inlet cavity and the inner part of the connecting shell in sequence and is provided with a pull plate.

[0016] In some embodiments, the inner part of the piston plate is movably embedded with a plurality of rolling balls, and the outer surfaces of the rolling balls are movably arranged on the inner wall of the connecting cavity.

[0017] The utility model at least has the following beneficial effects:

[0018] 1, pull the piston plate can through the catheter and the patient's sputum suction, inhale into the air inlet cavity, at this time, the connecting pipe will be inflated to the inside of the connecting cavity, push the piston plate, pull the piston plate to the switching assembly, and the connecting pipe and the connecting groove can be switched, at this time, the tension spring will pull the piston plate reset, can pull the gas in the air inlet cavity, and act on the inside of the catheter, the residual sputum in the catheter can be sucked in, and be pushed into the inside of the collecting tank, so as to reduce the risk of infection.

[0019] 2, when the connecting pipe is inflated inside the connecting cavity, the piston plate contacts the fixed block to drive the moving plate to move inside the sliding groove, so that the moving plate can drive the air block to move away from the square groove, so that the tension spring is reset, avoiding the gas inside the connecting cavity to be discharged, thereby increasing the manual plug again, and increasing the overall automation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a cross-sectional structure schematic view of the connecting shell of the utility model;

[0022] Figure 3 It is a cross-sectional structure schematic view of the connecting shell, the piston plate and the pull rod of the utility model;

[0023] Figure 4 It is an explosion structure schematic view of the connecting shell, the piston plate and the tension spring of the utility model;

[0024] Figure 5 It is a structure schematic view of the switching assembly of the utility model;

[0025] Figure 6 It is a structure schematic view of the tension spring, the piston plate and the fixed tube of the utility model;

[0026] Figure 7 It is an explosion structure schematic view of the piston plate, the fixed tube, the straight tube and the air block of the utility model;

[0027] Figure 8 It is a structure schematic view of the piston plate and the ball of the utility model.

[0028] In the drawing: 1, connecting shell; 2, guide pipe; 3, collection tank; 4, pull rod; 5, pull plate; 6, connecting cavity; 7, connecting groove; 8, connecting pipe; 9, switching assembly; 91, recess; 92, baffle plate; 93, straight plate; 94, guide column; 95, torsion spring; 96, sliding rod; 10, piston plate; 11, air inlet cavity; 12, piston plate; 13, tension spring; 14, fixed tube; 15, straight tube; 16, moving plate; 17, fixed block; 18, square groove; 19, air block; 20, sliding groove; 21, ball. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model. EMBODIMENT

[0030] Please see Figures 1-7 This utility model provides a technical solution:

[0031] A nursing suction device includes a connecting shell 1, an air inlet chamber 11 formed inside the connecting shell 1, a piston plate 10 movably disposed inside the air inlet chamber 11, a conduit 2 disposed on the connecting shell 1, and a collection container 3 disposed at the bottom of the connecting shell 1. An air inlet one-way valve is disposed between the conduit 2 and the connecting shell 1, and an exhaust one-way valve is disposed between the connecting shell 1 and the collection container 3, which allows for the independent discharge and suction of sputum. The device also includes:

[0032] Connecting cavity 6, which is located inside the connecting shell 1, and there are two of them;

[0033] A connecting groove 7 is formed on the inner wall of the connecting cavity 6, which is used to connect the connecting cavity 6 and the air intake cavity 11.

[0034] The connecting pipe 8 is located inside the connecting shell 1, with its two ends located inside the connecting cavity 6 and the air intake cavity 11, respectively.

[0035] Piston disc 12 is movably disposed on the inner wall of connecting cavity 6. The outer surface of piston disc 12 is made of rubber, which has good sealing performance.

[0036] The switching component 9 is located on the inner wall of the air intake chamber 11 and is used to close and open the connection between the connecting groove 7 and the connecting pipe 8 and the inside of the air intake chamber 11, so that the sputum inside the catheter 2 can be suctioned out again.

[0037] The inner wall of the air intake chamber 11 is provided with a groove 91. The switching component 9 includes a baffle 92 movably disposed on the inner wall of the groove 91. A straight plate 93 is movably disposed on the inner wall of the groove 91. The end face of the straight plate 93 is disposed on the outer surface of the baffle 92. The baffle 92 is used to prevent gas from being discharged from the cavity connected to the corresponding connecting groove 7 or connecting pipe 8.

[0038] The straight plate 93 has a guide post 94 inside, the end face of the guide post 94 is movably disposed on the inner wall of the groove 91, and a torsion spring 95 is sleeved on the outer surface of the guide post 94. The two ends of the torsion spring 95 are movably disposed on the inner wall of the groove 91 and the outer surface of the guide post 94, respectively. A slide rod 96 is movably disposed on the side of the straight plate 93, and the outer surface of the slide rod 96 is movably disposed on the side of the piston plate 10. The torsion spring 95 ensures that the baffle 92 is always blocking the connecting groove 7 without external force, and has a reset function, so that when the piston plate 10 is pulled, the internal gas can be pushed into the interior of the connecting cavity 6 through the connecting pipe 8.

[0039] The inner wall of the connecting cavity 6 is provided with a fixed tube 14 at both ends, one end of the fixed tube 14 penetrates the inside of the connecting cavity 6 and communicates with the outer surface of the connecting shell 1, the outer surface of the fixed tube 14 is sleeved with a straight tube 15, the inside of the piston disc 12 is movably sleeved on the outer surface of the straight tube 15, the end surface of the piston disc 12 is provided with a tension spring 13, the other end of the tension spring 13 is arranged on the inner wall of the connecting cavity 6, the outer surface of the fixed tube 14 close to the catheter 2 is provided with a plurality of square grooves 18, the arranged tension spring 13 can reset the piston disc 12, and the residual sputum in the catheter 2 is passively sucked into the air inlet cavity 11 through the connecting groove 7.

[0040] The end surface of the straight tube 15 is provided with a sliding groove 20, the inside of the sliding groove 20 is movably provided with a moving plate 16, the top of the moving plate 16 is provided with two fixed blocks 17, and the adjacent sides of the two fixed blocks 17 are movably arranged at both ends of the piston disc 12, the fixed tube 14 is movably sleeved with a gas blocking cylinder 19 on the outer surface provided with the square groove 18, the end surface of the gas blocking cylinder 19 is arranged on the side surface of the moving plate 16, by the piston disc 12 being at different positions, the fixed blocks 17 and the moving plate 16 can be driven to move, so that the gas blocking cylinder 19 opens and closes the communication between the square groove 18 and the connecting cavity 6, and the gas in the connecting cavity 6 is discharged.

[0041] The piston plate 10 is provided with a pull rod 4 away from the catheter 2, one end of the pull rod 4 penetrates the inner wall of the air inlet cavity 11 and the inside of the connecting shell 1 in sequence and is provided with a pull disc 5, and the arranged pull disc 5 and pull rod 4 can facilitate pulling the piston plate 10 to suck the sputum of the patient into the inside of the air inlet cavity 11.

[0042] In use of the device, first need to put the catheter 2 in the place where sputum is needed to be sucked, then pull the pull plate 5 to drive the pull rod 4 to move, the pull rod 4 drives the piston plate 10 to move on the inner wall of the air inlet cavity 11, and the sputum can be sucked out, and at this time, the inside of the catheter 2 remains the sputum which is difficult to observe or forgotten by the nurse to see, therefore, when the piston plate 10 is pulled, the piston plate 10 extrudes the gas in the inside to the inside of the connecting cavity 6 through the connecting pipe 8, can drive the piston disc 12 to move on the outer surface of the straight pipe 15, and drive the tension spring 13 to deform, when the side surface of the piston plate 10 contacts the slide rod 96, the end surface of the slide rod 96 drives the straight plate 93 to rotate around the guide column 94, the straight plate 93 drives the blocking disc 92 which blocks the connecting groove 7 to move, and drives the torsion spring 95 to deform, can drive the blocking disc 92 to move to the end surface of the connecting pipe 8, so that the connecting groove 7 and the inside of the air inlet cavity 11 are connected, at this time, the piston disc 12 will contact the fixed block 17 in the moving process, drives the fixed block 17 to move, the fixed block 17 drives the moving plate 16 arranged at the bottom to slide in the sliding groove 20, the moving plate 16 drives the gas blocking cylinder 19 to move, the gas blocking cylinder 19 connects the square groove 18 and the inside of the connecting cavity 6, at this time, the piston disc 12 will reset under the action of the tension spring 13, the piston disc 12 pulls the gas in the inside of the connecting cavity 6, and through the connecting groove 7, pulls the air inlet cavity 11 and the catheter 2, so that the gas and sputum in the inside of the catheter 2 enter the inside of the air inlet cavity 11 again, complete the passive removal of the sputum in the inside of the catheter 2, push the piston plate 10 to make the torsion spring 95 drive the straight plate 93 to reset, and the blocking disc 92 will block the connecting groove 7 again, to prepare for the next sputum suction. EMBODIMENT

[0043] Please refer to Figure 8 The utility model provides a technical scheme:

[0044] Different from the embodiment 1, the inside of the piston disc 12 is movably embedded with a plurality of balls 21, and the outer surfaces of the plurality of balls 21 are movably arranged on the inner wall of the connecting cavity 6, the balls 21 movably arranged on the outer surface of the piston disc 12 can reduce the friction with the inside of the connecting cavity 6 when the gas pushes the piston disc 12 or the tension spring 13 resets.

[0045] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A nursing sputum suction device, comprising a connecting shell (1), an air inlet cavity (11) formed in the connecting shell (1), a piston plate (10) movably arranged in the air inlet cavity (11), a catheter (2) arranged on the connecting shell (1), and a collection tank (3) arranged at the bottom of the connecting shell (1), characterized in that: Also include: The connecting cavity (6) is opened in the inside of the connecting shell (1), and two are opened in it; The connecting groove (7) is opened in the inner wall of the connecting cavity (6), so that the connecting cavity (6) and the air inlet cavity (11) are communicated through the connecting groove (7); The connecting pipe (8) is arranged in the inside of the connecting shell (1), and its two ends are arranged in the inside of the connecting cavity (6) and the air inlet cavity (11) respectively; The piston disc (12) is movably arranged on the inner wall of the connecting cavity (6); The switching assembly (9) is arranged on the inner wall of the air inlet cavity (11), and is used for closing and opening the connecting groove (7) and the connecting pipe (8) and the inside of the air inlet cavity (11) in communication, so that the sputum in the catheter (2) can be sucked out again; The inner wall of the air inlet cavity (11) is provided with a groove (91), the switching assembly (9) comprises a baffle disc (92) movably arranged on the inner wall of the groove (91), the inner wall of the groove (91) movably arranged with a straight plate (93), and the end surface of the straight plate (93) is arranged on the outer surface of the baffle disc (92); The inside of the straight plate (93) is provided with a guide column (94), the end surface of the guide column (94) is movably arranged on the inner wall of the groove (91), the outer surface of the guide column (94) is sleeved with a torsion spring (95), the two ends of the torsion spring (95) are movably arranged on the inner wall of the groove (91) and the outer surface of the guide column (94) respectively, the side surface of the straight plate (93) is movably arranged with a sliding rod (96), and the outer surface of the sliding rod (96) is movably arranged on the side surface of the piston plate (10); The inner wall of the connecting cavity (6) is provided with a fixed pipe (14) at both ends, one end of the fixed pipe (14) penetrates the inside of the connecting cavity (6) and is communicated with the outer surface of the connecting shell (1), the outer surface of the fixed pipe (14) is sleeved with a straight pipe (15), the inside of the piston disc (12) is movably sleeved on the outer surface of the straight pipe (15), the end surface of the piston disc (12) is provided with a tension spring (13), the other end of the tension spring (13) is arranged on the inner wall of the connecting cavity (6), and the outer surface of the fixed pipe (14) close to the catheter (2) is provided with a plurality of square grooves (18).

2. The nursing sputum aspirator according to claim 1, characterized in that: The end surface of the straight pipe (15) is provided with a sliding groove (20), the inside of the sliding groove (20) is movably arranged with a moving plate (16), the top of the moving plate (16) is provided with two fixed blocks (17), and the adjacent sides of the two fixed blocks (17) are movably arranged on the two ends of the piston disc (12), the outer surface of the fixed pipe (14) is movably sleeved with a gas blocking cylinder (19) at the square groove (18), and the end surface of the gas blocking cylinder (19) is arranged on the side surface of the moving plate (16).

3. The nursing sputum aspirator according to claim 1, characterized in that: The side of the piston plate (10) away from the catheter (2) is provided with a pull rod (4), one end of the pull rod (4) penetrates the inner wall of the air inlet cavity (11) and the inside of the connecting shell (1) in sequence and is provided with a pull disc (5).

4. The nursing sputum aspirator according to claim 1, characterized in that: The inner part of the piston disc (12) is movably embedded with a plurality of balls (21), and the outer surfaces of the plurality of balls (21) are movably arranged on the inner wall of the connecting cavity (6).

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