阅读说明：本技术 一种临床内科用吸痰装置 (Clinical internal medicine is with inhaling phlegm device ) 是由 贾晓菲 吴睿 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种临床内科用吸痰装置,包括底座和支架,所述支架固定连接于底座的上表面,还包括：负压机构,数量为两个,均安装于所述底座的上表面；吸痰罐,放置于所述底座的顶部右侧凹槽内；导管,内部连通的安装于所述负压机构的顶部,所述导管的右端与吸痰罐顶部固定连接；吸痰管,安装于所述吸痰罐的顶部；驱动机构,固定连接于所述支架的顶端；调速机构,固定连接于所述驱动机构的右端。本发明可实现吸痰罐内始终保持负压状态,吸痰罐具备连续的吸力,达到持续吸痰的目的,另外,增大吸痰罐吸力,利于将粘稠度高的痰液吸出,痰液被患者吸入气管威胁患者生命安全,本装置实用性强,使用灵活,更利于推广。(The invention discloses a sputum suction device for clinical internal medicine, which comprises a base and a bracket, wherein the bracket is fixedly connected to the upper surface of the base, and the sputum suction device also comprises: the two negative pressure mechanisms are arranged on the upper surface of the base; the sputum suction tank is placed in the groove on the right side of the top of the base; the inner part of the conduit is communicated and arranged at the top of the negative pressure mechanism, and the right end of the conduit is fixedly connected with the top of the sputum suction tank; the sputum suction pipe is arranged at the top of the sputum suction tank; the driving mechanism is fixedly connected to the top end of the bracket; and the speed regulating mechanism is fixedly connected to the right end of the driving mechanism. The sputum suction device can realize that the negative pressure state is always kept in the sputum suction tank, the sputum suction tank has continuous suction, the aim of continuously sucking sputum is fulfilled, in addition, the suction force of the sputum suction tank is increased, the sputum with high viscosity can be sucked out, the sputum is sucked into the trachea by a patient, the life safety of the patient is threatened, the practicability is strong, the use is flexible, and the popularization is more facilitated.)

1. The utility model provides a clinical internal medicine is with inhaling phlegm device, includes base (1) and support (2), support (2) fixed connection is in the upper surface of base (1), its characterized in that still includes:

the two negative pressure mechanisms (3) are arranged on the upper surface of the base (1);

the sputum suction tank (4) is placed in a groove on the right side of the top of the base (1);

the inner part of the conduit (5) is communicated and arranged at the top of the negative pressure mechanism (3), and the right end of the conduit (5) is fixedly connected with the top of the sputum suction tank (4);

the sputum suction pipe (6) is arranged at the top of the sputum suction tank (4);

the driving mechanism (7) is fixedly connected to the top end of the bracket (2);

the speed regulating mechanism (8) is fixedly connected to the right end of the driving mechanism (7);

the negative pressure mechanism (3) includes:

a negative pressure tank (31) mounted on the upper surface of the base (1);

the first check valve (32) is arranged on the left side of the top of the negative pressure tank (31);

the second one-way valve (33) is arranged on the right side of the top of the negative pressure tank (31), and the second one-way valve (33) is fixedly connected with the guide pipe (5);

a piston rod (34) which is mounted at the top center position of the negative pressure tank (31) in a vertically sliding manner;

the piston (35) is arranged at the bottom end of the piston rod (34) and is embedded in the inner cavity of the negative pressure tank (31);

the drive mechanism (7) comprises:

the shell (71) is fixedly connected to the top end of the bracket (2);

a crankshaft (72) rotatably mounted to an inner cavity of the housing (71) by a bearing, the crankshaft (72) being horizontally disposed;

one end of the connecting rod (73) is sleeved at the bulge of the outer wall of the crankshaft (72), and the other end of the connecting rod is rotatably installed with the top end of the piston rod (34) through a pin shaft;

a first driven gear (74) attached to a right end of an outer wall of the crankshaft (72);

and a second driven gear (75) mounted on the right end of the outer wall of the crankshaft (72), wherein the second driven gear (75) is positioned on the right side of the first driven gear (74).

2. The sputum aspirator for clinical medicine according to claim 1, wherein: the first check valve (32) and the second check valve (33) are communicated in opposite directions.

3. The sputum aspirator for clinical medicine according to claim 1, wherein: the outer wall of the crankshaft (72) is provided with two bulges, and the two bulges are oppositely arranged.

4. The sputum aspirator for clinical medicine according to claim 1, wherein: the number of teeth of the first driven gear (74) is greater than that of the second driven gear (75).

5. The sputum aspirator for clinical medicine according to claim 1, wherein: the speed regulation mechanism (8) comprises:

a sleeve (81) fixedly connected to a right side wall of the housing (71);

the sliding block (82) is embedded in the inner cavity of the sleeve (81) in a left-right sliding manner, and positioning screw holes (83) are formed in the left side and the right side of the upper surface of the sliding block (82);

the positioning bolt (84) is in threaded connection with the upper surface of the sleeve (81), and the bottom of the positioning bolt (84) is in threaded connection with the positioning screw hole (83) to position the sliding block (82);

the rotating shaft (85) is rotatably arranged in the embedded position of the sliding block (82) through a bearing, and two ends of the rotating shaft extend out of the inner cavity of the sleeve (81);

a rocking handle (86) fixedly connected to the right side wall of the rotating shaft (85);

the first driving gear (87) is arranged at the left end of the outer wall of the rotating shaft (85) and is meshed with the first driven gear (74);

and the second driving gear (88) is arranged in the middle of the outer wall of the rotating shaft (85) and can be meshed and connected with the second driven gear (75).

6. The sputum aspirator for clinical medicine according to claim 5, wherein: the inner cavity of the sleeve (81) is rectangular, and the sliding block (82) is matched and inserted into the inner cavity of the sleeve (81).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a sputum suction device for clinical internal medicine.

Background

Respiratory diseases such as cold, pneumonia, emphysema, pulmonary tuberculosis, pleural effusion and the like are mainly diagnosed and treated in the department of respiratory medicine, and for the respiratory diseases, sputum is often generated in respiratory tracts, such as infants, old people and the like, the body is weak, the sticky sputum is difficult to be automatically discharged from the respiratory tracts, and the intervention of a handheld sputum aspirator is often needed;

a hand-held sputum aspirator is a medical appliance for aspirating sputum, saliva, purulent blood and other liquids, and is mainly characterized by convenient carrying and low cost. When the thick suction that needs to strengthen of sputum, because hand-held type sputum aspirator belongs to the pull formula operation, can not provide continuous suction, and the suction is limited moreover, is difficult to with the sputum suction that the viscosity is high, and the time overlength sputum is inhaled the trachea by the patient easily, threatens patient life safety.

Disclosure of Invention

The invention aims to provide a sputum suction device for clinical internal medicine, which at least solves the problems that the prior art can not realize continuous sputum suction, can not increase suction force, is difficult to suck sputum with high viscosity, is poor in practicability and has potential safety hazards for patients.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a clinical internal medicine is with inhaling phlegm device, includes base and support, support fixed connection still includes in the upper surface of base: the two negative pressure mechanisms are arranged on the upper surface of the base; the sputum suction tank is placed in the groove on the right side of the top of the base; the inner part of the conduit is communicated and arranged at the top of the negative pressure mechanism, and the right end of the conduit is fixedly connected with the top of the sputum suction tank; the sputum suction pipe is arranged at the top of the sputum suction tank; the driving mechanism is fixedly connected to the top end of the bracket; the speed regulating mechanism is fixedly connected to the right end of the driving mechanism;

the negative pressure mechanism includes: the negative pressure tank is arranged on the upper surface of the base; the first one-way valve is arranged on the left side of the top of the negative pressure tank; the second one-way valve is arranged on the right side of the top of the negative pressure tank and is fixedly connected with the guide pipe; the piston rod is arranged at the center of the top of the negative pressure tank in a vertically sliding manner; the piston is arranged at the bottom end of the piston rod and is embedded in the inner cavity of the negative pressure tank;

the drive mechanism includes: the shell is fixedly connected to the top end of the bracket; the crankshaft is rotatably arranged in the inner cavity of the shell through a bearing and is horizontally arranged; one end of the connecting rod is sleeved at the bulge of the outer wall of the crankshaft, and the other end of the connecting rod is rotatably installed with the top end of the piston rod through a pin shaft; the first driven gear is arranged at the right end of the outer wall of the crankshaft; and the second driven gear is arranged at the right end of the outer wall of the crankshaft and is positioned on the right side of the first driven gear.

Preferably, the first check valve and the second check valve are opposite in conducting direction.

Preferably, the outer wall of the crankshaft is provided with two protrusions, and the two protrusions are oppositely arranged.

Preferably, the first driven gear has a greater number of teeth than the second driven gear.

Preferably, the governor mechanism includes: the sleeve is fixedly connected to the right side wall of the shell; the sliding block can be embedded in the inner cavity of the sleeve in a left-right sliding manner, and positioning screw holes are formed in the left side and the right side of the upper surface of the sliding block; the positioning bolt is in threaded connection with the upper surface of the sleeve, and the bottom of the positioning bolt is in threaded connection with the positioning screw hole to position the sliding block; the rotating shaft is rotatably arranged in the embedded part of the sliding block through a bearing, and two ends of the rotating shaft extend out of the inner cavity of the sleeve; the rocking handle is fixedly connected to the right side wall of the rotating shaft; the first driving gear is arranged at the left end of the outer wall of the rotating shaft and is meshed with the first driven gear; and the second driving gear is arranged in the middle of the outer wall of the rotating shaft and can be meshed with the second driven gear.

Preferably, the inner cavity of the sleeve is rectangular, and the sliding block is inserted into the inner cavity of the sleeve in a matching manner.

The sputum suction device for the clinical internal medicine has the beneficial effects that:

1. according to the invention, the rotating shaft can drive the first driving gear and the second driving gear to rotate clockwise by rotating the rocking handle, so that the crankshaft drives one ends of the two connecting rods to do anticlockwise circular motion, the other ends of the connecting rods draw the piston rods to drive the pistons to move up and down in the negative pressure tanks, negative pressure is alternately generated by the two negative pressure tanks, the negative pressure state in the sputum suction tanks is always kept, the sputum suction tanks have continuous suction force, and the aim of continuously sucking sputum is fulfilled;

2. according to the invention, through the matching of the positioning bolt and the positioning screw hole, the sliding block can move leftwards in the sleeve and then is fixed, the second driving gear is meshed with the second driven gear, the angular speed of the crankshaft is improved, and the movement of the piston in the negative pressure tank is further accelerated, so that the suction force of the sputum suction tank is increased, the sputum with high viscosity can be sucked out, the sputum is sucked into the trachea by a patient, and the life safety of the patient is threatened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of the invention at A.

In the figure: 1. the base, 2, the support, 3, negative pressure mechanism, 31, the negative pressure jar, 32, first check valve, 33, second check valve, 34, the piston rod, 35, the piston, 4, inhale the phlegm jar, 5, the pipe, 6, inhale the phlegm pipe, 7, actuating mechanism, 71, the shell, 72, the bent axle, 73, the connecting rod, 74, first driven gear, 75, second driven gear, 8, speed adjusting mechanism, 81, the sleeve, 82, the slider, 83, the location screw, 84, the positioning bolt, 85, the pivot, 86, the rocking handle, 87, first driving gear, 88, the second driving gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sputum suction device for clinical internal medicine comprises a base 1 and a support 2, wherein the support 2 is fixedly connected to the upper surface of the base 1, the sputum suction device further comprises a negative pressure mechanism 3, a sputum suction tank 4, a guide pipe 5, a sputum suction pipe 6, a driving mechanism 7 and a speed regulating mechanism 8, the number of the negative pressure mechanisms 3 is two, the negative pressure mechanisms are both arranged on the upper surface of the base 1, the sputum suction tank 4 is placed in a groove on the right side of the top of the base 1 and used for collecting sputum, the guide pipe 5 is internally communicated and arranged on the top of the negative pressure mechanism 3, the negative pressure tank 31 is communicated with the sputum suction tank 4 through the guide pipe 5, the right end of the guide pipe 5 is fixedly connected with the top of the sputum suction tank 4, the sputum suction pipe 6 is arranged on the top of the sputum suction tank 4, the driving mechanism 7 is fixedly connected to the top end of the support 2, and the speed regulating mechanism 8 is fixedly connected to the right end of the driving mechanism 7;

the negative pressure mechanism 3 comprises a negative pressure tank 31, a first one-way valve 32, a second one-way valve 33, a piston rod 34 and a piston 35, the negative pressure tank 31 is installed on the upper surface of the base 1, the first one-way valve 32 is installed on the left side of the top of the negative pressure tank 31, the second one-way valve 33 is installed on the right side of the top of the negative pressure tank 31, the second one-way valve 33 is fixedly connected with the guide pipe 5, the piston rod 34 is installed at the center position of the top of the negative pressure tank 31 in a vertically slidable manner, the piston rod 34 is driven to move up and down by the driving mechanism 7, the piston 35 can move up and down in the negative pressure tank 31, negative pressure is generated in the negative pressure tank 31, and the piston 35 is installed at the bottom end of the piston rod 34 and is embedded in the inner cavity of the negative pressure tank 31;

the driving mechanism 7 comprises a shell 71, a crankshaft 72, a connecting rod 73, a first driven gear 74 and a second driven gear 75, the shell 71 is fixedly connected to the top end of the support 2, the crankshaft 72 is rotatably installed in an inner cavity of the shell 71 through a bearing, the crankshaft 72 is horizontally arranged, the connecting rod 73 can make circular motion through rotation of the crankshaft 72, one end of the connecting rod 73 is sleeved on a protruding part of the outer wall of the crankshaft 72, the other end of the connecting rod 73 is rotatably installed with the top end of the piston rod 34 through a pin shaft, when one end of the connecting rod 73 makes circular motion, the other end of the connecting rod 73 can pull the piston rod 34 to reciprocate up and down, the first driven gear 74 is installed at the right end of the outer wall of the crankshaft 72, the second driven gear 75 is installed at the right end of the outer wall of the crankshaft 72, and the second driven gear 75 is located on the right side of the first driven gear 74.

Preferably, the first check valve 32 and the second check valve 33 are in opposite directions, the first check valve 32 is used for discharging gas in the negative pressure tank 31, and the second check valve 33 is used for gas entering, so that gas inlet and outlet of the negative pressure tank 31 are separated.

Preferably, the outer wall of the crankshaft 72 has two protrusions, and the two protrusions are oppositely disposed, so that when one connecting rod 73 drives the piston rod 34 to move upwards, the other connecting rod 73 drives the piston rod 34 to move downwards, so that the two negative pressure tanks 31 alternately absorb the gas in the sputum suction tank 4.

Preferably, the number of teeth of the first driven gear 74 is greater than the number of teeth of the second driven gear 75, and the angular velocity of the first driven gear 74 when rotating is less than the angular velocity of the second driven gear 75, so as to achieve the purpose of regulating the speed of the crankshaft 72.

Preferably, the speed adjusting mechanism 8 includes a sleeve 81, a sliding block 82, a positioning screw 83, a positioning bolt 84, a rotating shaft 85, a rocking handle 86, a first driving gear 87 and a second driving gear 88, the sleeve 81 is fixedly connected to the right side wall of the housing 71, an inner cavity of the sleeve 81 is rectangular, the sliding block 82 is prevented from rotating, the sliding block 82 can be fittingly embedded in the inner cavity of the sleeve 81 in a left-right sliding manner, the first driving gear 87 on the rotating shaft 85 is engaged with the first driven gear 74 or the second driving gear 88 is engaged with the second driven gear 75 by the left-right movement of the sliding block 82, so as to achieve the purpose of adjusting the speed of the crankshaft 72, the positioning screw 83 is respectively formed on the left side and the right side of the upper surface of the sliding block 82, the positioning bolt 84 is screwed on the upper surface of the sleeve 81, the bottom of the positioning bolt 84 is screwed with the positioning screw 83 to position the sliding block 82, the rotating shaft 85 is rotatably installed in the inner embedding of the sliding block 82 through a bearing, and both ends all extend the inner chamber of sleeve 81, rocking handle 86 fixed connection is in the right side wall of pivot 85, and first driving gear 87 is installed in the outer wall left end of pivot 85, and is connected with the meshing of first driven gear 74, and second driving gear 88 is installed in the outer wall middle part of pivot 85, and can be connected with the meshing of second driven gear 75.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Firstly, the sputum suction tube 6 is extended into a proper position of the oral cavity of a patient, the rocking handle 86 is rotated to cause the rotating shaft 85 to drive the first driving gear 87 and the second driving gear 88 to rotate clockwise simultaneously, the first driving gear 87 is meshed with the first driven gear 74, so that the first driven gear 74 drives the crankshaft 72 to rotate anticlockwise, one end of each of the two connecting rods 73 rotates anticlockwise along with the crankshaft 72, the other end of each of the two connecting rods 73 can pull the piston 35 to move up and down in the negative pressure tank 31 through the piston rod 34, the two bulges of the crankshaft 72 are oppositely arranged, so that the pistons 35 in different negative pressure tanks 31 move in opposite directions to realize the alternate work of the two negative pressure tanks 31, when the pistons 35 move from top to bottom in the negative pressure tanks 31, the second one-way valve 33 is opened, the first one-way valve 32 is closed, and the gas in the sputum suction tank 4 is sucked into the negative pressure tanks 31 through the diversion of the guide tube 5, when the piston 35 moves upwards, the second one-way valve 33 is closed, the first one-way valve 32 is opened, so that the gas in the negative pressure tank 31 is discharged from the first one-way valve 32, and the negative pressure state in the sputum suction tank 4 is always kept through the matching of the two negative pressure tanks 31, so that the sputum is sucked into the sputum suction tank 6 by the sputum suction tank 6 under the suction effect;

step two, when the sputum suction force needs to be increased, the positioning bolt 84 is screwed to enable the positioning bolt 84 to be separated from the positioning screw hole 83, the fixing of the slide block 82 is released, the slide block 82 is pushed to move towards the left side through the rocking handle 86, the first driving gear 87 and the second driving gear 88 on the rotating shaft 85 simultaneously move towards the left side, the first driving gear 87 is separated from the first driven gear 74, the second driving gear 88 is kept in a meshed state with the second driven gear 75, the positioning bolt 84 is screwed into the positioning screw hole 83 on the right side to position the slide block 82, so that the position adjustment of the rotating shaft 85 is completed, because the number of teeth of the first driven gear 74 is greater than that of the second driven gear 75, when the second driving gear 88 drives the second driven gear 75 to rotate, the angular speed of the crankshaft 72 is increased, so that the moving speed of the piston 35 in the negative pressure tank 31 is increased, and the sputum suction force is further increased, the sputum with high viscosity can be sucked out conveniently;

the device can provide continuous negative pressure suction for the sputum suction tank 4, achieves the purpose of continuously sucking sputum, can increase the sputum suction force, is convenient for sucking out sputum with high viscosity, has strong practicability, can keep patients around to breathe normally, and is more favorable for popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.