CN112932626B - Thoracic cavity puncture guiding and positioning device for patient with severe respiratory disease - Google Patents

Abstract

The chest puncture guiding and positioning device for the patients with severe respiratory diseases effectively solves the problem that the current medical staff has great difficulty in chest puncture of the patients; the support plate is provided with a U-shaped rod, a seat plate is arranged on the support plate, a connecting plate is connected to the support plate in a sliding way, a square box is hinged to the connecting plate through the L-shaped rod, a rectangular frame is connected to the square box in a sliding way through a sliding plate, a waist-shaped ring is arranged at the lower end of the support plate, and a plug post is arranged on the square box; the rectangular frame is provided with gear teeth, a rectangular ring is connected in a sliding manner in the rectangular frame, a fixing plate is connected in the rectangular ring in a sliding manner, a worm wheel is connected to the fixing plate in a rotating manner, a transmission shaft is connected to the worm wheel in a sliding manner, a gear is arranged on the transmission shaft, a worm is connected to the fixing plate in a rotating manner, a square hole is formed in the fixing plate, an arc-shaped plate is arranged on the fixing plate, an arc-shaped groove is formed in the arc-shaped plate, and a guide cylinder is connected in the arc-shaped groove in a sliding manner through a flat plate; the invention has novel conception, ingenious structure, convenient operation and strong practicability.

Description

Thoracic puncture guidance and positioning device for severe respiratory patients

technical field

The invention relates to the technical field of respiratory and critical care equipment, in particular to a thoracentesis guiding and positioning device for patients with severe respiratory disease.

Background technique

In the clinical work of the pulmonary department, thoracentesis is a relatively common, convenient and simple method of diagnosis and treatment. For example: Through inspection, we found that there is effusion in the patient's pleural cavity, and the fluid can be extracted through thoracentesis, and various examinations can be performed to find the cause of the disease. If there is a lot of effusion in the cavity, oppressing the lungs or the effusion lasts too long, the fibrin in it is easy to organize and two layers of pleural adhesion will occur, which will affect the respiratory function of the lungs. At this time, we also need to puncture to remove the effusion. Drugs can also be injected to achieve therapeutic purposes if necessary.

In the process of existing diagnosis and treatment of thoracentesis, because the puncture needle needs to be pierced by hand, and because the puncture needle is difficult to fix, when the patient fine-tunes the posture or coughs slightly due to pain and discomfort or the influence of the disease, it will seriously affect the normal progress of the puncture, which not only affects the puncture The needle penetrates into the thoracic cavity; and it is also easy to make the needle body free during drainage or suction, or even lose its position, and penetrate into the thoracic organs, causing organic damage, which increases the difficulty of the operation for medical staff.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide a thoracentesis guiding and positioning device for patients with severe respiratory disease, which effectively solves the problem that the current medical staff is difficult to perform thoracentesis on patients.

The technical solution is that the present invention includes a support plate, the right end of the support plate is provided with a U-shaped bar with the opening facing downward, the left end of the support plate is provided with a seat plate that can swing up and down, and the lower end of the support plate is slidably connected with a connecting plate in the front and rear direction. The connecting plate can move left and right with the up and down swing of the seat plate. The front and rear ends of the connecting plate are respectively provided with L-shaped rods. The free ends of the two L-shaped rods are hinged to a square box with an opening facing the left. There is a sliding plate in the square box. The left end of the skateboard is provided with a rectangular frame that can extend out of the square box. The front and rear sides of the lower end of the support plate are respectively provided with waist-shaped rings that are high on the left and low on the right. The square box is located between the two waist-shaped rings. have stakes inserted into the waist rings on their corresponding sides;

The left and right ends of the rectangular frame are respectively provided with a plurality of gear teeth uniformly distributed along the front and rear directions, a rectangular ring is slidably connected in the rectangular frame, a fixed plate is slidably connected in the rectangular ring, and the left and right axial shafts are rotatably connected on the fixed plate. The worm gear is coaxially slidably connected to the transmission shaft, and the left and right ends of the transmission shaft are respectively equipped with gears meshing with the gear teeth. The fixed plate is provided with an arc-shaped plate directly below the square hole with the opening facing upwards, and an arc-shaped groove penetrating up and down is provided on the arc-shaped plate, and a guide cylinder is slidably connected to the arc-shaped groove through a flat plate.

The invention is novel in concept, ingenious in structure, convenient in operation and strong in practicability. It is provided with a seat board and a connecting rod, so that the patient only needs to sit on the seat board, and the square box can be swung out from the bottom of the support board, and it fits on the back of the patient. , set the worm and slider, the medical staff can adjust the position of the guide cylinder by operating the rotating cylinder, so that the guide cylinder is aligned with the puncture site on the patient’s back, reducing the difficulty of the medical staff when performing thoracentesis on the patient, and avoiding the puncture during the puncture process. In case of organic damage due to misalignment of the position, a cam and a cylindrical rod are provided to facilitate the medical staff to adjust the angle between the guide cylinder and the patient's skin, thereby adjusting the puncture angle of the medical staff and making it easier for the puncture needle to enter the patient's body.

Description of drawings

Figure 1 is an isometric view of the present invention.

Fig. 2 is a full-section front axonometric view of the present invention.

Fig. 3 is a front sectional axonometric view of the present invention.

Fig. 4 is a full cut-away rear view axonometric view of the present invention.

Fig. 5 is a sectional isometric view of a left-view ladder of the present invention.

Fig. 6 is an enlarged view of A in Fig. 4 of the present invention.

Fig. 7 is the enlarged view of B in Fig. 5 of the present invention

Fig. 8 is a full section bottom view axonometric of the present invention.

Fig. 9 is a perspective view of the present invention in a deployed state.

Fig. 10 is a left isometric view of a rectangular frame in an unfolded state of the present invention.

Detailed ways

The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

1 to 10, including a support plate 1, the right end of the support plate 1 is provided with a U-shaped bar 2 with the opening facing downward, the left end of the support plate 1 is provided with a seat plate 3 that can swing up and down, and the lower end of the support plate 1 is slidingly connected with The connecting plate 4 in the front and rear direction, the connecting plate 4 can move left and right with the up and down swing of the seat plate 3, the front and rear ends of the connecting plate 4 are respectively provided with L-shaped rods 5, and the free ends of the two L-shaped rods 5 are hinged with an opening towards the left The square box 6 of square box 6 is slidingly connected with a slide plate 7, the left end of the slide plate 7 is provided with a rectangular frame 8 that can extend out of the square box 6, and the front and rear sides of the lower end of the support plate 1 are respectively provided with waist-shaped rings that are high on the left and low on the right. 9. The square box 6 is located between the two waist-shaped rings 9, and the front and rear ends of the square box 6 are respectively provided with inserting posts 10 inserted into the waist-shaped rings 9 on the corresponding sides;

The left and right ends of the rectangular frame 8 are respectively provided with a plurality of gear teeth uniformly distributed along the front and rear directions, a rectangular ring 11 is slidably connected in the rectangular frame 8, and a fixed plate 12 is slidably connected in the rectangular ring 11, and the fixed plate 12 rotates The left and right axial worm wheels 13 are connected, and the coaxial sliding connection of the worm wheel 13 is connected with the transmission shaft 14. The left and right ends of the transmission shaft 14 are respectively provided with gears 15 meshing with the gear teeth. The worm screw 16 engaged with the worm wheel 13, the fixed plate 12 is provided with a square hole 17 that penetrates up and down, and the fixed plate 12 is provided with an arc-shaped plate 18 that is directly below the square hole 17 and has an upward opening. Through the arc-shaped groove, the guide cylinder 20 is slidably connected with the flat plate 19 in the arc-shaped groove.

In order to make the connecting plate 4 move left and right with the up and down swing of the seat plate 3, the front and rear sides of the support plate 1 are respectively provided with through grooves 21 in the left and right directions, and the front and rear sides of the right end of the seat plate 3 are respectively hinged with connecting rods 22 , the free end of the connecting rod 22 passes through the slot 21 and is hingedly connected with the connecting plate 4 .

In order to facilitate the positioning of the fixed plate 12, the front end of the rectangular frame 8 is provided with an L-shaped plate 23, and the lower end of the L-shaped plate 23 is provided with a chute that penetrates up and down. A drum 25 runs through the slider 24 and is slidably connected to the guide rail. The drum 25 can be detached from the guide rail and screwed to the lower end of the slider 24 .

In order to facilitate the positioning of the guide cylinder 20, the upper end of the flat plate 19 is connected with a cam 26 through a torsion spring. The planes at the left and right ends of the cam 26 can be in contact with the arc plate 18. Cylindrical rod 27.

In order to limit the rectangular frame 8 and the slide plate 7, the front ends of the rectangular frame 8 and the slide plate 7 are respectively provided with a slot 28, the front end of the square box 6 is hinged with a limit rod 29, and the right end of the limit rod 29 can be stuck in the slot In 28, stop rod 29 left ends are connected with square box 6 through stage clip.

In order to reset the seat plate 3, the lower end of the support plate 1 is provided with a U-shaped plate 30 with an opening facing upwards, and the right end of the seat plate 3 is provided with an arc-shaped rod 31 that is slidably connected with the U-shaped plate 30. A second spring located between the seat plate 3 and the U-shaped plate 30 is sleeved.

In order to increase the comfort of the patient, the upper end of the U-shaped rod 2 is covered with a sponge tube 32 .

In order to prevent the arc rod 31 from being separated from the U-shaped plate 30 , a baffle 33 is provided at the lower end of the arc rod 31 .

When the present invention is in use, the medical staff instructs the patient to face right and hold the sponge tube 32 on the upper end of the U-shaped bar 2 with his hands, and then slowly sit on the inclined seat board 3, and the patient's body drives the seat board 3 to swing downward. , the seat plate 3 drives the arc rod 31 to move downward and compresses the second spring, at the same time the seat plate 3 drives the two connecting rods 22 to move to the left in the through groove 21, and the two connecting rods 22 drive the connecting plate 4 to slide to the left, connecting The board 4 drives the square box 6 to move to the left through the two L-shaped rods 5, and the two posts 10 on the square box 6 slide to the left in the waist-shaped ring 9 on the corresponding side respectively, because the waist-shaped ring 9 is left higher than the right. Low, so the left end of square box 6 swings upwards gradually while moving to the left;

When the two stakes 10 slide to the left end of the waist ring 9, the square box 6 changes from horizontal to vertical and sticks to the patient's back. On the patient's back, judge the position of the patient's pleural effusion by the sound of knocking to determine the puncture point and puncture angle. The draw-in slot 28 is separated, and then the slide plate 7 is pulled upwards and the limit rod 29 is released. The slide plate 7 drives the rectangular frame 8 to move upwards and stretches out the square box 6. When the limit rod 29 is stuck on the slide plate 7 under the action of the compression spring When in the slot 28, the rectangular frame 8 slides out of the square box 6 completely, and the rectangular frame 8 is located directly behind the chest cavity of the patient;

The medical personnel rotate the drum 25, and the drum 25 drives the worm 16 to rotate. The worm 16 drives the transmission shaft 14 to rotate through the worm wheel 13, and the transmission shaft 14 drives the two gears 15 to rotate. Since the gear 15 meshes with the gear teeth on the rectangular frame 8, the When the gear 15 rotates, it will move back and forth. The gear 15 drives the fixed plate 12 to move back and forth through the transmission shaft 14. The fixed plate 12 drives the rectangular ring 11 to slide back and forth in the rectangular frame 8, so that the rectangular ring 11 is located on the left side of the puncture point, and then the rotating The cylinder 25 moves up and down, and the rotating cylinder 25 drives the fixed plate 12 to slide up and down through the worm 16, so that the guide cylinder 20 in the square hole 17 is located on the right left of the puncture point;

The medical personnel press the rotating drum 25, the rotating drum 25 gradually slides away from the guide rail and compresses the first spring, when the rotating drum 25 contacts the slider 24, the rotating drum 25 breaks away from the guide rail, and then starts to rotate the rotating drum 25 clockwise, at this time the worm 16 remains stationary, the drum 25 is gradually threaded with the slider 24, the elastic force of the compression spring increases gradually, and the pressure spring gradually increases the pressure between the slider 24 and the L-shaped plate 23, and the slider 24 will remain at the current position , that is, the fixed plate 12 is fixed at the current position;

The medical personnel use two fingers to squeeze the cylindrical rod 27 in the middle, and the two cylindrical rods 27 drive the cam 26 to rotate clockwise, the torsional force on the torsion spring gradually increases, and the planes at the upper and lower ends of the cam 26 gradually separate from the arc-shaped plate 18, Now the flat plate 19 can slide along the arc plate 18, keep the two cylindrical rods 27 still, slide the flat plate 19 left or right, the flat plate 19 drives the guide cylinder 20 to swing around the axis of the arc plate 18, when the guide cylinder 20 When the cylinder rod 27 is at the optimum angle of penetration, the cam 26 rotates counterclockwise under the action of the torsion spring, and the planes at the upper and lower ends of the cam 26 contact the arc plate 18. At this time, the plate 19 is limited to the current position, that is, the guide The cylinder 20 is restricted at the current position. At this time, the medical staff can insert the puncture needle into the patient's body through the guide cylinder 20. During the puncture process, the guide cylinder 20 can effectively prevent the puncture angle of the puncture needle from changing;

After the puncture, the medical personnel use the syringe to extract the effusion in the patient's pleural cavity, then pull out the puncture needle, and then press one end of the pressure spring on the limit rod 29 to make the other end of the limit rod 29 leave the slot 28 on the slide plate 7 , pull down the slide plate 7, the slide plate 7 drives the rectangular frame 8 to gradually slide into the square box 6, when the rectangular frame 8 completely enters the square box 6, the limit rod 29 snaps into the rectangular frame 8 under the action of the pressure spring In the card slot 28, the medical staff can treat the puncture wound of the patient at this time;

The medical staff instructs the patient to stand up slowly, the seat board 3 swings upwards under the elastic force of the first spring, the seat board 3 drives the right ends of the two connecting rods 22 to move upward, the left end of the connecting rods 22 drives the connecting plate 4 to slide to the right, and the connecting plate 4 passes through Two L-shaped rods 5 drive the square box 6 to move to the right, and the two inserts 10 on the square box 6 slide to the right in the waist ring 9 on the corresponding side. Since the waist ring 9 is high on the left and low on the right, the square box 6 gradually changes from the vertical direction to the horizontal direction. When the seat plate 3 swings upward, it will drive the arc rod 31 to move upward. Change to the horizontal orientation, and the device returns to the state before use.

The invention is novel in concept, ingenious in structure, convenient in operation and strong in practicability. It is provided with a seat board and a connecting rod, so that the patient only needs to sit on the seat board, and the square box can be swung out from the bottom of the support board, and it fits on the back of the patient. , set the worm and slider, the medical staff can adjust the position of the guide cylinder by operating the rotating cylinder, so that the guide cylinder is aligned with the puncture site on the patient’s back, reducing the difficulty of the medical staff when performing thoracentesis on the patient, and avoiding the puncture during the puncture process. In case of organic damage due to misalignment of the position, a cam and a cylindrical rod are provided to facilitate the medical staff to adjust the angle between the guide cylinder and the patient's skin, thereby adjusting the puncture angle of the medical staff and making it easier for the puncture needle to enter the patient's body.

It can be seen that using the thoracentesis guiding and positioning device for patients with severe respiratory diseases provided by the present invention can effectively solve the problem that medical staff perform thoracentesis on patients, which is difficult. Difficulty of thoracentesis.

Claims (8)

1. The utility model provides a respiratory severe patient's thorax puncture guiding and positioning device, including backup pad (1), backup pad (1) right-hand member is equipped with U-shaped pole (2) of opening down, its characterized in that, backup pad (1) left end is equipped with seat (3) that can reciprocate, backup pad (1) lower extreme sliding connection has connecting plate (4) of fore-and-aft direction, connecting plate (4) can reciprocate and control and remove along with seat (3), connecting plate (4) front and back both ends are equipped with L shape pole (5) respectively, two L shape pole (5) free ends articulate have one opening square box (6) towards left, square box (6) sliding connection has slide (7), square box (7) left end is equipped with rectangle frame (8) that can stretch out square box (6), the front and back both sides of backup pad (1) lower extreme are equipped with waist shape ring (9) of controlling lowly respectively, square box (6) are located between two waist shape ring (9), both ends are equipped with respectively insert post (10) in waist shape ring (9) of its corresponding side in front and back;

the utility model provides a rectangular frame (8) both ends be equipped with a plurality of teeth of a cogwheel of following fore-and-aft direction equipartition respectively, sliding connection has rectangular ring (11) in rectangular frame (8), sliding connection has fixed plate (12) in rectangular ring (11), rotationally be connected with on fixed plate (12) about axial worm wheel (13), coaxial sliding connection has transmission shaft (14) on worm wheel (13), both ends are equipped with respectively about transmission shaft (14) with teeth of a cogwheel meshing gear (15), rotationally be connected with on fixed plate (12) about axial and worm (16) with worm wheel (13) meshing, offer on fixed plate (12) about link up square hole (17), be equipped with on fixed plate (12) be located square hole (17) below and open-ended arc (18), offer on arc (18) about link up arc groove, through dull and stereotyped (19) sliding connection has guide cylinder (20).

2. The thoracic cavity puncture guiding and positioning device for patients with severe respiratory diseases according to claim 1, wherein the front side and the rear side of the supporting plate (1) are respectively provided with a left-right direction through groove (21), the front side and the rear side of the right end of the seat plate (3) are respectively hinged with a connecting rod (22), and the free end of the connecting rod (22) passes through the through groove (21) and is hinged with the connecting plate (4).

3. The thoracic cavity puncture guiding and positioning device for the patient suffering from severe respiratory diseases according to claim 1 is characterized in that an L-shaped plate (23) is arranged at the front end of the rectangular frame (8), a chute which is penetrated up and down is arranged at the lower end of the L-shaped plate (23), a sliding block (24) is connected in the chute in a sliding way, the lower end of the worm (16) penetrates through the sliding block (24) and is connected with a rotary drum (25) in a sliding way through a guide rail, the rotary drum (25) can be separated from the guide rail and is in threaded connection with the lower end of the sliding block (24), and a first spring which is positioned between the sliding block (24) and the rotary drum (25) is sleeved on the worm (16).

4. The thoracic cavity puncture guiding and positioning device for patients with severe respiratory diseases according to claim 1, wherein the upper end of the flat plate (19) is rotatably connected with a cam (26) through a torsion spring, the planes at the left end and the right end of the cam (26) can be contacted with the arc plate (18), and the left end and the right end of the cam (26) are respectively provided with a cylindrical rod (27) in the vertical axial direction.

5. The thoracic cavity puncture guiding and positioning device for patients with severe respiratory diseases according to claim 1, wherein the front ends of the rectangular frame (8) and the sliding plate (7) are respectively provided with a clamping groove (28), the front end of the square box (6) is hinged with a limiting rod (29), the right end of the limiting rod (29) can be clamped in the clamping groove (28), and the left end of the limiting rod (29) is connected with the square box (6) through a pressure spring.

6. The thoracic cavity puncture guiding and positioning device for patients with severe respiratory diseases according to claim 1, wherein the lower end of the supporting plate (1) is provided with a U-shaped plate (30) with an upward opening, the right end of the seat plate (3) is provided with an arc-shaped rod (31) which is in sliding connection with the U-shaped plate (30), and a second spring positioned between the seat plate (3) and the U-shaped plate (30) is sleeved on the arc-shaped rod (31).

7. The thoracic cavity puncture guiding and positioning device for patients with severe respiratory diseases according to claim 1, wherein the upper end of the U-shaped rod (2) is sleeved with a sponge tube (32).

8. The chest puncture guiding and positioning device for a patient suffering from severe respiratory disease according to claim 6, wherein a baffle (33) is arranged at the lower end of the arc-shaped rod (31).

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