Medical handheld sputum aspirator with rotatable sputum suction tube

Abstract

The invention relates to the technical field of medical instruments, and discloses a medical handheld sputum aspirator with a rotatable sputum suction catheter, which comprises a negative pressure bottle, the output end of the negative pressure bottle is communicated with one end of a connecting tube, the other end of the connecting tube is communicated with a suction tube, and the suction tube is used for stretching into the body of a patient to complete liquid suction. A rotating mechanism is arranged in the suction tube and used for rotating suction of liquid in the body of a patient, a pressure bearing mechanism is slidably connected to the outer wall of the suction tube and used for bearing masseter pressure of the patient, and a clamping and stopping assembly is arranged on one side of the outer wall of the pressure bearing mechanism and used for positioning the pressure bearing mechanism. Through the design of the rotating mechanism, the sputum suction process is more efficient, the characteristic that the memory alloy tube recovers the preset shape at the body temperature is matched, the sputum suction device can go deep into complex parts of the respiratory tract, the sputum suction direction is changed, the sputum suction range is wider, sputum residues are effectively avoided, the respiratory tract of a patient can be rapidly cleaned, and the breathing condition is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a medical handheld suction device with a rotatable suction tube. Background Art

[0002] In the medical field, the effective clearance of respiratory tract sputum is an important link to ensure the normal respiratory function of patients. For patients in coma, intensive care, and after surgery, etc., due to their limited ability to expectorate sputum independently, they often need to rely on a suction device to maintain the patency of the respiratory tract.

[0003] Traditional medical handheld suction devices have many deficiencies in practical applications. First of all, the suction tube is usually not rotatable. The human respiratory tract has a complex and irregular structure, which is a branched pipeline system composed of bronchi at all levels. Sputum may accumulate in bronchi at different angles and positions. After the non-rotatable suction tube is inserted into the respiratory tract, it is difficult to cover all areas comprehensively, and often can only clean the relatively superficial and easily accessible parts, resulting in the difficulty of clearing deep sputum and increasing the risk of lung infection. For example, in some bedridden patients, due to postural factors, sputum is likely to accumulate in parts such as the lower lobes of the lungs, and ordinary suction tubes are difficult to reach these positions, greatly reducing the suction effect.

[0004] Secondly, during the suction process, the patient may have masticatory muscle contraction due to discomfort and exert pressure on the suction tube. Traditional suction devices lack effective protection measures. Once the suction tube is squeezed by the patient's teeth, it is easy to deform or even break, which not only affects the suction effect, but also may cause the operation to be interrupted, requiring the replacement of the suction tube, increasing the workload of medical staff and the pain of patients. Moreover, problems such as cross-infection may occur during the replacement of the suction tube, further threatening the health of patients. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a medical handheld suction device with a rotatable suction tube, which solves the problem that the patient may have masticatory muscle contraction due to discomfort and exert pressure on the suction tube, affecting the suction effect.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A medical handheld suction device with a rotatable suction tube, including a negative pressure bottle, one end of the output end of the negative pressure bottle is connected to one end of a connecting tube, the other end of the connecting tube is connected to a suction tube for extending into the patient's body to complete liquid suction, a rotating mechanism is arranged inside the suction tube for rotating suction of the liquid in the patient's body, a pressure-bearing mechanism is slidably connected to the outer wall of the suction tube for bearing the pressure of the patient's masticatory muscles, and a locking component is arranged on one side of the outer wall of the pressure-bearing mechanism for positioning the pressure-bearing mechanism.

[0007] Preferably, the rotating mechanism includes a moving seat which is slidably connected to the outer wall of the suction tube. One side of the outer wall of the moving seat is fixedly connected with a rotating handle, and one end of the suction tube communicates with a shape memory alloy tube.

[0008] Preferably, the pressure-bearing mechanism includes a telescopic rod. One end of the telescopic rod is slidably connected to one side of the outer wall of the moving seat, and the other end of the telescopic rod is fixedly connected with a fixed box. An irregular chute is formed inside the fixed box, and one end of a rocker is slidably connected to the inside of the irregular chute. The other end of the rocker is rotatably connected to one side of the outer wall of the moving seat, and one side of the outer wall of the fixed box is fixedly connected with a support groove.

[0009] Preferably, the locking assembly includes an adjusting ring which is threadedly connected to one side of the outer wall of the moving seat. One side of the outer wall of the adjusting ring is fixedly connected with one end of a retractable rod. One side of the outer wall of the moving seat is fixedly connected with a fixed ring, and one side of the outer wall of the fixed ring is fixedly connected with one end of a short column. The other end of the short column is rotatably connected with a locking rod, and an empty groove is formed on one side of the outer wall of the locking rod. The other end of the retractable rod is slidably connected to the inside of the empty groove.

[0010] Preferably, the material of the shape memory alloy tube is one of nickel-titanium alloy, copper-based shape memory alloy and iron-based shape memory alloy.

[0011] Preferably, concave lines are formed on one side of the outer wall of the adjusting ring.

[0012] Preferably, the inside of the support groove is filled with a rubber material.

[0013] Preferably, one side of the outer wall of the telescopic rod is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with one side of the outer wall of the fixed box.

[0014] Preferably, grooves are formed on the inner wall of the empty groove. One end of the retractable rod is rotatably connected with a roller, and the roller is slidably connected to the inside of the grooves.

[0015] The present invention provides a medical handheld suction device with a rotatable suction tube, which has the following beneficial effects:

[0016] 1. Through the design of the rotating mechanism, the suction process of the present invention is made more efficient. Rotating the rotating handle can drive the suction tube and the shape memory alloy tube to rotate. Combining with the characteristic that the shape memory alloy tube restores the preset shape at body temperature, it can penetrate into complex parts of the respiratory tract, change the suction direction, make the suction range wider, accurately contact the sputum at each position, effectively avoid sputum residue, greatly improve the suction efficiency, help to quickly clean the patient's respiratory tract and improve the breathing condition.

[0017] 2. The pressure-bearing mechanism in the present invention effectively protects the suction tube through the synergistic effect of the support groove, telescopic rod, spring, remote rod and other components. The rubber material in the support groove can buffer the pressure of the patient's masseter muscle. When the pressure changes, the various components will adjust the position and angle of the support groove in a coordinated manner to prevent the suction tube from being excessively squeezed and deformed, ensuring that the suction tube is always unobstructed, maintaining a stable suction effect, and reducing the risk of operation interruption caused by damage to the suction tube.

[0018] 3. The locking assembly of the present invention uses the adjusting ring, the retracting rod, the clamping rod and other components to achieve accurate positioning of the pressure-bearing mechanism. The operator rotates the adjusting ring, and through the threaded transmission and a series of mechanical connections, flexibly adjusts the position of the clamping rod, firmly fixes the pressure-bearing mechanism, and ensures that the pressure-bearing mechanism will not move at will during the suction process, thereby enhancing the stability and reliability of the entire suction operation and making the medical staff feel more at ease. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the handheld sputum suction device of the present invention;

[0020] Figure 2 It is a schematic diagram of the handheld sputum suction device of the present invention;

[0021] Figure 3 It is a front view of the handheld phlegm suction device of the present invention;

[0022] Figure 4 is a schematic diagram of a locking assembly in the present invention;

[0023] Figure 5 for Figure 4 A in the enlarged view;

[0024] Figure 6 is a schematic diagram of the pressure-bearing mechanism in the present invention;

[0025] Figure 7 for Figure 6 The enlarged view of point B in the figure;

[0026] Figure 8 It is a display diagram of the handheld sputum suction device in the present invention.

[0027] Among them, 1. negative pressure bottle; 2. connecting tube; 3. suction tube; 4. moving seat; 5. rotating handle; 6. memory alloy tube; 7. telescopic rod; 8. fixing box; 9. special-shaped slide groove; 10. remote rod; 11. supporting groove; 12. adjusting ring; 13. retractable rod; 14. fixing ring; 15. short column; 16. clamping rod; 17. empty groove; 18. spring; 19. groove; 20. roller; 21. concave pattern; 22. rubber material. DETAILED DESCRIPTION

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to the attached Figure 1 - attached Figure 8 , the embodiment of the present invention provides a medical handheld suction device with a rotatable sputum suction tube, including a negative pressure bottle 1. One end of the output end of the negative pressure bottle 1 is connected to one end of a connecting tube 2, and the other end of the connecting tube 2 is connected to a suction tube 3, which is used to extend into the patient's body to complete liquid suction. A rotating mechanism is arranged inside the suction tube 3, which is used for rotating suction of the liquid in the patient's body. The outer wall of the suction tube 3 is slidably connected with a pressure-bearing mechanism, which is used to bear the pressure of the patient's masseter muscle. A locking component is arranged on one side of the outer wall of the pressure-bearing mechanism, which is used to position the pressure-bearing mechanism;

[0030] The rotating mechanism includes a moving seat 4, the moving seat 4 is slidably connected to the outer wall of the suction tube 3, and one side of the outer wall of the moving seat 4 is fixedly connected with a rotating handle 5. One end of the suction tube 3 is connected to a memory alloy tube 6;

[0031] The material of the memory alloy tube 6 is one of nickel-titanium alloy, copper-based shape memory alloy, and iron-based shape memory alloy;

[0032] Specifically, the operator holds the rotating handle 5. Since the moving seat 4 is slidably connected to the suction tube 3, by rotating the rotating handle 5, the moving seat 4 can be driven to rotate along the outer wall of the suction tube 3, so that the suction tube 3 and the connected memory alloy tube 6 rotate. The memory alloy tube 6 has a shape memory effect. In a low-temperature environment, it can be bent or twisted into a specific shape as needed. When it enters the patient's body, due to the effect of the human body temperature, the memory alloy tube 6 will gradually return to the preset shape, further assisting the suction tube 3 to adjust the direction, expanding the sputum suction range, and more accurately sucking sputum. For example, when the sputum is located in a certain curved part of the respiratory tract, the memory alloy tube 6 can be set in a shape suitable for the curve in advance and automatically recover after entering the body, making the sputum suction more efficient.

[0033] The pressure-bearing mechanism includes a telescopic rod 7. One end of the telescopic rod 7 is slidably connected to one side of the outer wall of the moving seat 4, and the other end of the telescopic rod 7 is fixedly connected with a fixed box 8. An irregular chute 9 is opened inside the fixed box 8. One end of a remote rod 10 is slidably connected to the inside of the irregular chute 9, and the other end of the remote rod 10 is rotatably connected to one side of the outer wall of the moving seat 4. One side of the outer wall of the fixed box 8 is fixedly connected with a support groove 11;

[0034] The inside of the support groove 11 is filled with a rubber material 22;

[0035] One end of a spring 18 is fixedly connected to one side of the outer wall of the telescopic rod 7, and the other end of the spring 18 is fixedly connected to one side of the outer wall of the fixed box 8;

[0036] Specifically, after the suction tube 3 is inserted into the patient's oral cavity, the support groove 11 is placed between the patient's teeth. The pressure exerted by the patient's masseter muscle acts on the support groove 11. Since the support groove 11 is filled with a rubber material 22, the rubber material 22 has elasticity and can play a buffering role to reduce the direct impact of the pressure on the suction tube 3. When the pressure changes, the telescopic rod 7 will slide on the moving seat 4, and at the same time, the spring 18 will undergo telescopic deformation. The joystick 10 slides in the special-shaped chute 9. Through this linkage structure, the position and angle of the support groove 11 can be adjusted adaptively according to the magnitude and direction of the patient's masseter muscle pressure, always maintaining effective support for the suction tube 3 and ensuring that the suction tube 3 will not be overly squeezed.

[0037] The locking component includes an adjusting ring 12. The adjusting ring 12 is threadedly connected to one side of the outer wall of the moving seat 4. One end of a contraction rod 13 is fixedly connected to one side of the outer wall of the adjusting ring 12. One side of the outer wall of the moving seat 4 is fixedly connected to a fixed ring 14. One end of a short column 15 is fixedly connected to one side of the outer wall of the fixed ring 14. The other end of the short column 15 is rotatably connected to a locking rod 16. An empty groove 17 is formed on one side of the outer wall of the locking rod 16, and the other end of the contraction rod 13 is slidably connected to the inside of the empty groove 17;

[0038] A concave groove 21 is formed on one side of the outer wall of the adjusting ring 12;

[0039] A groove 19 is formed on the inner wall of the empty groove 17. One end of the contraction rod 13 is rotatably connected to a roller 20, and the roller 20 is slidably connected to the inside of the groove 19;

[0040] Specifically, the operator can rotate the adjusting ring 12. Since the adjusting ring 12 is threadedly connected to the moving seat 4, when the adjusting ring 12 is rotated, the adjusting ring 12 will move along the outer wall of the moving seat 4. When the adjusting ring 12 moves, it drives the contraction rod 13 to move. The other end of the contraction rod 13 slides in the empty groove 17, and at the same time, the roller 20 slides in the groove 19, causing the locking rod 16 to rotate around the short column 15. In this way, the position and angle of the locking rod 16 can be adjusted. When the locking rod 16 is clamped at a suitable position, the position of the pressure-bearing mechanism on the suction tube 3 can be fixed. The setting of the concave groove 21 increases the friction on the surface of the adjusting ring 12, facilitating the operator's rotation operation and ensuring that the locking component can accurately and stably position the pressure-bearing mechanism.

[0041] Working principle: When preparing for sputum suction, turn on the negative pressure bottle 1. The negative pressure bottle 1 generates a pressure environment lower than the atmospheric pressure through the internal negative pressure generation mechanism. This negative pressure is stably transmitted to the suction tube 3 through the connecting tube 2. As the key component directly contacting the sputum in the patient's body, under the action of the negative pressure, the suction tube 3 can quickly suck the sputum and other liquids in the patient's respiratory tract into the connecting tube 2, and then the sputum is collected into the negative pressure bottle 1 along the connecting tube 2, so as to achieve the purpose of clearing sputum and keeping the respiratory tract unobstructed.

[0042] During the actual sputum suction process, due to the complex structure of the patient's respiratory tract and the different distribution positions of the sputum, it is necessary to adjust the sputum suction direction. At this time, the rotating mechanism comes into play. The operator holds the rotating handle 5 with the hand. The rotating handle 5 is fixedly connected to the moving seat 4, and the moving seat 4 is slidably connected to the outer wall of the suction tube 3. When the operator rotates the rotating handle 5, according to the principle of force transmission, the moving seat 4 is driven to rotate around the outer wall of the suction tube 3. The rotation of the moving seat 4 further drives the suction tube 3 and the memory alloy tube 6 connected to it to rotate together. The memory alloy tube 6 is made of one of nickel-titanium alloy, copper-based shape memory alloy or iron-based shape memory alloy. These materials have a unique shape memory effect. Before using the sputum aspirator, the memory alloy tube 6 can be bent or twisted into a specific shape according to the expected sputum suction path or the special structure of the patient's respiratory tract in a low-temperature environment. When the memory alloy tube 6 enters the patient's body along with the suction tube 3, due to the effect of the human body temperature, the memory alloy tube 6 will gradually return to the preset shape. This process further assists the suction tube 3 to flexibly adjust the direction, can penetrate into every corner of the respiratory tract, accurately suck the sputum, and greatly improves the effect and efficiency of sputum suction.

[0043] In order to prevent the patient's masseter muscle from squeezing the suction tube 3 and affecting the normal progress of the sputum suction work, the pressure-bearing mechanism plays an important role. When the suction tube 3 is inserted into the patient's mouth, the support groove 11 is placed between the patient's teeth. The pressure exerted by the patient's masseter muscle first acts on the support groove 11. Since the support groove 11 is filled with the rubber material 22 inside, the rubber material 22 has good elasticity and buffering performance, and can effectively relieve the direct impact of the masseter muscle pressure on the suction tube 3. When the masseter muscle pressure changes, the telescopic rod 7 will slide on the outer wall of the moving seat 4, and at the same time, the spring 18 connected to one side of the outer wall of the telescopic rod 7 will also undergo corresponding telescopic deformation. During this process, one end of the rocker 10 slides in the special-shaped chute 9 opened inside the fixed box 8, and the other end is rotatably connected to the moving seat 4. Through this complex and delicate linkage structure, the support groove 11 can adaptively adjust its own position and angle according to the magnitude and direction of the patient's masseter muscle pressure, and always maintain effective support for the suction tube 3, ensuring that the suction tube 3 will not be excessively squeezed and deformed due to the masseter muscle pressure, and guaranteeing the smooth progress of the sputum suction process.

[0044] When it is necessary to fix the position of the pressure-bearing mechanism, the locking component starts to work. The operator achieves this purpose by rotating the adjusting ring 12, and the adjusting ring 12 is threadedly connected to the moving seat 4. When the operator rotates the adjusting ring 12, due to the transmission of the thread, the adjusting ring 12 will move linearly along the outer wall of the moving seat 4. The movement of the adjusting ring 12 drives the contraction rod 13 fixedly connected thereto to move synchronously, and the other end of the contraction rod 13 slides in the empty groove 17 formed on the outer wall of the locking rod 16. During this process, the roller 20 rotatably connected to one end of the contraction rod 13 slides in the groove 19 formed on the inner wall of the empty groove 17, enabling the locking rod 16 to rotate around the short column 15. By precisely rotating the adjusting ring 12, the position and angle of the locking rod 16 are adjusted. When the locking rod 16 is tightly clamped at the appropriate position, the position of the pressure-bearing mechanism on the suction tube 3 can be firmly fixed. The concave lines 21 formed on the outer wall of the adjusting ring 12 greatly increase the friction on the surface of the adjusting ring 12, enabling the operator to apply force more precisely and stably when rotating the adjusting ring 12, ensuring that the locking component can accurately position the pressure-bearing mechanism and guaranteeing the stability and reliability of the suction apparatus during operation.

[0045] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical handheld sputum suction device with a rotatable sputum suction tube, comprising a negative pressure bottle (1), characterized in that: The output end of the negative pressure bottle (1) is connected to one end of a connecting tube (2), and the other end of the connecting tube (2) is connected to a suction tube (3) for extending into the patient's body to complete liquid suction. A rotating mechanism is provided inside the suction tube (3) for rotationally suctioning the liquid in the patient's body. The outer wall of the suction tube (3) is slidably connected to a pressure-bearing mechanism for bearing the pressure of the patient's masseter muscle. A locking assembly is provided on one side of the outer wall of the pressure-bearing mechanism for positioning the pressure-bearing mechanism.

2. A medical handheld sputum suction device with a rotatable sputum suction tube according to claim 1, characterized in that: The rotating mechanism comprises a moving seat (4), the moving seat (4) is slidably connected to the outer wall of the suction tube (3), a rotating handle (5) is fixedly connected to one side of the outer wall of the moving seat (4), and one end of the suction tube (3) is connected to a memory alloy tube (6).

3. A medical handheld sputum suction device with a rotatable sputum suction tube according to claim 2, characterized in that: The pressure-bearing mechanism comprises a telescopic rod (7), one end of the telescopic rod (7) is slidably connected to one side of the outer wall of the movable seat (4), the other end of the telescopic rod (7) is fixedly connected to a fixing box (8), a special-shaped sliding groove (9) is provided inside the fixing box (8), one end of a remote rod (10) is slidably connected inside the special-shaped sliding groove (9), the other end of the remote rod (10) is rotatably connected to one side of the outer wall of the movable seat (4), and one side of the outer wall of the fixing box (8) is fixedly connected to a supporting groove (11).

4. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 2, characterized in that: The locking assembly comprises an adjusting ring (12), the adjusting ring (12) being threadedly connected to one side of the outer wall of the movable seat (4), one end of a retractable rod (13) being fixedly connected to one side of the outer wall of the adjusting ring (12), one side of the outer wall of the movable seat (4) being fixedly connected to a fixing ring (14), one end of a short column (15) being fixedly connected to one side of the outer wall of the fixing ring (14), the other end of the short column (15) being rotatably connected to a clamping rod (16), one side of the outer wall of the clamping rod (16) being provided with an empty groove (17), and the other end of the retractable rod (13) being slidably connected to the inside of the empty groove (17).

5. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 2, characterized in that: The material used for the memory alloy tube (6) is one of nickel-titanium alloy, copper-based shape memory alloy and iron-based shape memory alloy.

6. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 4, characterized in that: One side of the outer wall of the adjustment ring (12) is provided with a concave pattern (21).

7. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 3, characterized in that: The interior of the support groove (11) is filled with rubber material (22).

8. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 3, characterized in that: One end of a spring (18) is fixedly connected to one side of the outer wall of the telescopic rod (7), and the other end of the spring (18) is fixedly connected to one side of the outer wall of the fixing box (8).

9. The medical handheld sputum suction device with a rotatable sputum suction tube according to claim 4, characterized in that: The inner wall of the empty slot (17) is provided with a groove (19), one end of the retractable rod (13) is rotatably connected to a roller (20), and the roller (20) is slidably connected inside the groove (19).

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