CN211132338U - Drainage device for cardiovascular department - Google Patents

Abstract

The drainage device for the cardiovascular department comprises a frame body, wherein the top end of the frame body is fixedly connected with a bed board, four guide blocks capable of moving back and forth are arranged on the left side and the right side of the top end of the bed board, the guide blocks on the front side and the rear side are connected with limb bandages, and the guide block in the middle is connected with a trunk bandage; the bottom of the bed board is fixedly connected with a drainage box, the front side of the drainage box is connected with a piston in a sliding manner, the front end of the piston is fixedly connected with a piston rod, the front end of the piston rod is connected with a speed change structure, and the speed change structure is fixedly connected to the bottom end of the bed board; the front end of the drainage box is fixedly connected with a one-way air inlet valve and a one-way air outlet valve, the front end of the one-way air inlet valve is connected with a negative pressure pipe, the negative pressure pipe is fixed at the bottom end of the bed plate and is connected with a drainage tube, the drainage tube is sleeved with a limiting sleeve, the left side and the right side of the limiting sleeve are both connected with patches, and the bottom of the drainage box is. The utility model effectively solves the problems that the prior drainage device has small capacity, the drainage bottle needs to be frequently replaced, the drainage speed is not easy to control, and the drainage device is easy to be knocked down to reduce the drainage efficiency.

Description

Drainage device for cardiovascular department

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a drainage device for cardiovascular internal medicine.

Background

Patients in cardiovascular medicine often require drainage of fluid in the thoracic or pericardial cavity. Drainage is to pump out the effusion in the thoracic cavity or the pericardium through a negative pressure device, the existing drainage device generally consists of a drainage tube and a drainage bottle, and the drainage bottle is externally connected with the negative pressure device. However, the existing equipment still has the following problems: the volume of the drainage bottle is limited, and the drainage bottle can be continuously used after being replaced after being full, so that the drainage efficiency is influenced; the drainage speed is not easy to control, and the phenomenon of discomfort of a patient caused by too high drainage speed is easy to occur; the drainage tube is not provided with a limb positioning device during drainage, so that the drainage tube is easily knocked off by a patient, the danger is very high, the drainage speed is reduced, and the pain of the patient is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide drainage device for cardiovascular internal medicine, solved present drainage device capacious circle need frequently change drainage bottle, drainage speed wayward and cause uncomfortable sense, drainage device easily to be bumped and reduce the problem of drainage efficiency to the patient effectively.

In order to solve the above problems, the utility model adopts the following technical proposal:

the drainage device for the cardiovascular department comprises a frame body, wherein a bed board is fixedly connected to the top end of the frame body, four guide blocks capable of moving back and forth are arranged on the left side and the right side of the top end of the bed board, the guide blocks on the front side and the rear side are connected with limb binding bands, and the guide blocks in the middle are connected with trunk binding bands; the bottom of the bed board is fixedly connected with a drainage box, the front side of the drainage box is connected with a piston capable of reciprocating back and forth in a sliding manner, the front end of the piston is fixedly connected with a piston rod, the front end of the piston rod is connected with a speed change structure, and the speed change structure is fixedly connected to the bottom end of the bed board; the drainage box is characterized in that a one-way air inlet valve and a one-way air outlet valve are fixedly connected to the front end of the drainage box, a negative pressure pipe is connected to the front end of the one-way air inlet valve and fixed to the bottom end of the bed plate, a drainage pipe is connected to the movable end of the negative pressure pipe through a quick-connection connector, a limiting sleeve capable of moving along the drainage pipe is sleeved on the drainage pipe, patches are connected to the left side and the right side of the limiting sleeve.

Preferably, the left side and the right side of the top end of the bed board are both provided with inverted T-shaped chutes which are communicated from front to back, and the guide blocks are connected in the chutes in a sliding manner; the left end and the right end of the outer side of the limb bandage are respectively provided with a hair side magic tape and a thorn side magic tape; the outer sides of the trunk bandage at the left side and the right side are respectively provided with a hair side magic tape and a thorn side magic tape.

Preferably, the quick connector comprises a hollow cylindrical outer sleeve fixedly connected with the negative pressure pipe, and a hollow bowl-shaped clamping ring and a pressing ring are sequentially sleeved in the outer sleeve from back to front; the rear side of the clamping tooth ring extends inwards to form a plurality of arc-shaped clamping teeth, the pressing ring is sleeved in the clamping tooth ring, and the outer circumference of the front part of the pressing ring is provided with a check ring which is used for pushing the clamping tooth ring; the front end of the outer sleeve is inwards bent to form a blocking piece, and the blocking piece is used for blocking the check ring.

Preferably, the outer circumference of the limiting sleeve is connected with a limiting screw in an inward threaded manner, and the limiting screw is used for fixing the position of the limiting sleeve; the front side of the patch is coated with medical adhesive, and the surface of the medical adhesive is covered with release paper; the outer circumference of the front side of the drainage tube is provided with scale marks.

Preferably, the right side of the front part of the piston rod is slidably connected with a guide rod, the guide rod is fixedly connected to the bottom end of the bed plate, and the left side of the front end of the piston rod is fixedly connected with a cylindrical guide head;

the speed change structure comprises a cylindrical cam, an arc-shaped groove with a high left and a low right is formed in the outer circumference of the cylindrical cam, and the cylindrical guide head is positioned in the arc-shaped groove; the front end of the cylindrical cam is fixedly connected with an output shaft, the output shaft is rotatably connected to the bottom end of the bed plate, the middle of the output shaft is fixedly connected with a second large gear, the second large gear is meshed with a second small gear, the second small gear is coaxially and fixedly connected with a speed change shaft, the speed change shaft is rotatably connected to the bottom end of the bed plate, and the front end of the speed change shaft is rotatably connected with a first large gear; the first gearwheel is connected with a first pinion in a meshed manner, the first pinion is coaxially and fixedly connected with an input shaft, the input shaft is rotatably connected to the bottom end of the bed plate, a spring is fixedly connected to the middle of the input shaft, the outer end of the spring is fixedly connected to the bottom end of the bed plate, and the front end of the input shaft is fixedly connected with a rotating wheel;

the rear end of the input shaft is connected with a second biting sleeve through a spline, the second biting sleeve is rotatably connected with a speed change plate, the middle part of the speed change shaft is connected with a first biting sleeve through a spline, and the first biting sleeve is rotatably connected with the speed change plate; the rear end of the first gearwheel is provided with biting teeth, and the front end of the first biting sleeve is provided with a biting groove matched with the biting teeth; the rear end face of the output shaft is provided with biting teeth, and the front end of the second biting sleeve is provided with a biting groove matched with the biting teeth.

Preferably, the front end of the speed changing plate is fixedly connected with a pull rod, the pull rod is slidably connected with a clamping sleeve, the clamping sleeve is fixedly connected with the bottom end of the bed plate, a locking column capable of popping out downwards is arranged at the bottom end of the pull rod, a front locking hole and a rear locking hole are formed in the lower side of the clamping sleeve, and the locking column is located in the locking hole.

Preferably, the pull rod cavity, the locking post with pull rod sliding connection, the locking post upside articulates there is the connecting rod, the connecting rod front side articulates there is the control lever, the control lever with the axis of pull rod is parallel, the control lever with pull rod sliding connection, the control lever stretches out the pull rod and is connected with the control handle, the cover of control lever rear portion is equipped with reset spring, the side supports respectively around the reset spring pull rod and control lever.

Preferably, the one-way air inlet valve and the one-way air outlet valve have the same structure and respectively comprise a valve body, the inner side of the valve body is sequentially provided with a locking spring and a clamping plate, and the outer circumference of the clamping plate is provided with a plurality of arc grooves which are uniformly distributed; the clamping plate in the one-way air inlet valve is positioned on the front side of the locking spring, and the clamping plate in the one-way air outlet valve is positioned on the rear side of the locking spring.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

1. this device can remove limbs bandage and truck bandage to required position respectively through removing the guide block to paste through the magic and fix patient's health, arm and both legs, prevent that the patient from droing because the drainage tube that causes of disturbing, it is troublesome to have reduced unnecessary, has improved the stability when this device uses.

2. Through the back and forth reciprocating motion of the piston, a negative pressure environment can be provided for the drainage box, and the effusion in the thoracic cavity or the pericardium of the patient can be sucked out conveniently. The movement speed of the piston can be controlled through the speed change structure, and then the drainage speed of the drainage box is adjusted, so that the drainage speed of a patient can be selected according to needs when the drainage is carried out, the drainage safety is improved, and the body injury of the patient caused by the too fast drainage speed is reduced.

3. The drainage tube is connected with the one-way air inlet valve, so that the accumulated liquid flows to the drainage box in a one-way mode under the action of negative pressure, and the occurrence of the backflow of the accumulated liquid is reduced. The setting up of one-way air outlet valve makes this device can discharge the air through one-way air outlet valve when the piston moves backward, and the negative pressure extraction that carries on that lasts has improved drainage efficiency.

4. Connect the drainage tube through quick connector for the drainage tube can disposable, has increased the security and the health nature of this device.

5. The stop collar is used for controlling the length that the drainage tube inserted patient's thorax or pericardium, has prevented the unexpected emergence of stabbing patient's thorax internal organs to the paster that sets up through the stop collar has increased the stability of this device, is difficult for droing, has reduced the emergence of the unnecessary painful condition that the patient caused because the drainage tube drops.

6. The ball valve can discharge the hydrops in the drainage box to appointed container according to the condition in the drainage box at any time, can continuously carry out the hydrops extraction of large capacity.

Drawings

Fig. 1 is a first axis mapping view of the drainage device for cardiovascular medicine of the present invention.

Fig. 2 is a second shaft mapping diagram of the drainage device for cardiovascular medicine of the present invention.

Fig. 3 is an axonometric view of the bed board of the drainage device for cardiovascular medicine of the utility model.

Fig. 4 is a first axis mapping diagram of the drainage box and the connecting component of the drainage device for cardiovascular medicine of the present invention.

Fig. 5 is a second shaft mapping diagram of the drainage box and the connecting component of the drainage device for cardiovascular medicine of the present invention.

Fig. 6 is an axonometric view of a partial section of the drainage box of the drainage device for cardiovascular medicine of the present invention.

Fig. 7 is an axonometric view of the negative pressure tube and the quick connector of the drainage device for cardiovascular department of the invention.

Fig. 8 is a first axial view of an explosion diagram of the quick connector of the drainage device for cardiovascular medicine of the present invention.

Fig. 9 is a second axial view of an exploded view of the quick connector of the drainage device for cardiovascular medicine of the present invention.

Fig. 10 is an axonometric view of the drainage tube of the drainage device for cardiovascular medicine of the present invention.

Fig. 11 is an axonometric view of the piston rod of the drainage device for cardiovascular medicine of the present invention.

Fig. 12 is an axonometric view of the cylindrical cam and the connecting component of the drainage device for cardiovascular medicine of the present invention.

Fig. 13 is a first perspective view, partially in section, of a variable speed plate and a connecting member of the drainage device for cardiovascular medicine of the present invention.

Fig. 14 is a second axial view, partially in section, of a variable speed plate and a connecting member of the drainage device for cardiovascular medicine of the present invention.

Fig. 15 is an axonometric view of the speed change shaft of the drainage device for cardiovascular medicine of the present invention.

Fig. 16 is an axonometric view of the input shaft of the drainage device for cardiovascular medicine of the present invention.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-16, the utility model provides a drainage device for cardiovascular medicine, which comprises a frame body 1, wherein the top end of the frame body 1 is fixedly connected with a bed plate 2, the left and right sides of the top end of the bed plate 2 are respectively provided with four guide blocks 4 capable of moving back and forth, the guide blocks 4 on the front and rear sides are respectively connected with a limb bandage 5, and the guide blocks 4 in the middle part are respectively connected with a trunk bandage 6; the bottom of the bed plate 2 is fixedly connected with a drainage box 10, the front side of the drainage box 10 is connected with a piston 38 capable of reciprocating back and forth in a sliding mode, the front end of the piston 38 is fixedly connected with a piston rod 11, the front end of the piston rod 11 is connected with a speed change structure 12, and the speed change structure 12 is fixedly connected to the bottom end of the bed plate 2; the front end of the drainage box 10 is fixedly connected with a one-way air inlet valve 31 and a one-way air outlet valve 32, the front end of the one-way air inlet valve 31 is connected with a negative pressure pipe 30, the negative pressure pipe 30 is fixed at the bottom end of the bed plate 2, the movable end of the negative pressure pipe 30 is connected with a drainage pipe 7 through a quick connector 29, a limiting sleeve 8 capable of moving along the drainage pipe 7 is sleeved on the drainage pipe 7, patches 9 are connected to the left side and the right side of the limiting sleeve 8, and a ball valve is.

During drainage, place the patient in on bed board 2 to remove guide block 4 to suitable position, use limbs bandage 5 fixed with patient's trick, use truck bandage 6 fixed with patient's health, stability when having improved this device and using makes drainage tube 7 difficult being bumped. By reciprocating the piston 38 back and forth, a negative pressure environment can be provided for the drainage box 10, which is convenient for sucking out the effusion in the chest or the pericardium of the patient. The movement speed of the piston 38 can be controlled through the speed changing structure 12, and then the drainage speed of the drainage box 10 is adjusted, so that the drainage speed of a patient can be selected as required when the drainage is carried out, the drainage safety is improved, and the body injury of the patient caused by the too fast drainage speed is reduced. Drainage tube 7 and one-way admission valve 31 are connected, can be so that the hydrops because the effect one-way flow of negative pressure to drainage box 10 in, reduced the emergence of the condition of hydrops backward flow. The drainage tube 7 is connected through the quick-connection-peg 29, so that the drainage tube 7 can be used once, and the safety and the sanitation of the device are improved. The setting of one-way air outlet valve 32 makes this device can discharge the air through one-way air outlet valve 32 when piston 38 backward removes, and the negative pressure extraction that carries on that lasts has improved drainage efficiency. Stop collar 8 is used for controlling the length that drainage tube 7 inserted patient's thorax or pericardium, has prevented the unexpected emergence of stabbing patient's thorax internal organs to the paster 9 that sets up on the stop collar 8 has increased the stability of this device, is difficult for droing, has reduced the emergence of the unnecessary painful condition that the patient caused because drainage tube 7 drops. The ball valve can be at any time according to the condition in the drainage box 10, discharges the hydrops in the drainage box 10 to appointed container in, can continuously carry out the hydrops extraction of large capacity. The left side and the right side of the top end of the bed plate 2 are both provided with a reverse T-shaped sliding chute 3 which is communicated with the front and the back, and the guide block 4 is connected in the sliding chute 3 in a sliding way; the left end and the right end of the outer side of the limb bandage 5 are respectively provided with a hair side magic tape and a thorn side magic tape; the outer sides of the trunk bandage 6 on the left side and the right side are respectively provided with a hair side magic tape and a thorn side magic tape.

Through removing guide block 4, can remove limbs bandage 5 and truck bandage 6 respectively to required position to paste through the magic and fix patient's health, arm and both legs, prevent that the patient from droing because the drainage tube that causes of disturbing has reduced unnecessary troublesome.

The quick connector 29 comprises a hollow cylindrical outer sleeve 35 fixedly connected with the negative pressure pipe 30, and a hollow bowl-shaped latch ring 36 and a pressing ring 37 are sequentially sleeved in the outer sleeve 35 from back to front; the rear side of the clamping tooth ring 36 extends inwards to form a plurality of arc-shaped clamping teeth, the pressing ring 37 is sleeved in the clamping tooth ring 36, and the outer circumference of the middle front part of the pressing ring 37 is provided with a retaining ring which is used for pushing the clamping tooth ring 36; the front end of the outer sleeve 35 is bent inwards to form a blocking piece, and the blocking piece is used for blocking the check ring.

When the quick connector 29 is used, firstly, the drainage tube 7 is inserted into the pressing ring 37, then the pressing ring 37 is pressed, so that the clamping teeth at the rear end of the clamping tooth ring 36 are pushed to the outer side by the rear end of the pressing ring 37, the drainage tube 7 is pushed in, the pressing ring 37 is loosened, the clamping teeth at the rear side of the clamping tooth ring 36 can clamp the drainage tube 7, and the quick connector not only has good air tightness, but also can be very conveniently detached and installed.

The outer circle of the limiting sleeve 8 is connected with a limiting screw in a circumferential inner thread mode, and the limiting screw is used for fixing the position of the limiting sleeve 8; the front side of the patch 9 is coated with medical adhesive, and the surface of the medical adhesive is coated with release paper; the outer circumference of the front side of the drainage tube 7 is provided with scale marks.

After the limiting sleeve 8 is moved to a proper position according to the scale marks on the drainage tube 7, the limiting screw is screwed, and the limiting sleeve 8 is fixed. The drain tube 7 is then inserted into the patient's chest until the stop collar 8 is applied to the patient's skin, after which the drain tube 7 is secured using the patch 9.

The right side of the front part of the piston rod 11 is slidably connected with a guide rod 13, the guide rod 13 is fixedly connected with the bottom end of the bed plate 2, and the left side of the front end of the piston rod 11 is fixedly connected with a cylindrical guide head 39;

the speed changing structure 12 comprises a cylindrical cam 14, an arc-shaped groove with a high left and a low right is formed in the outer circumference of the cylindrical cam 14, and the cylindrical guide head 39 is positioned in the arc-shaped groove; an output shaft 15 is fixedly connected to the front end of the cylindrical cam 14, the output shaft 15 is rotatably connected to the bottom end of the bed plate 2, a second large gear 16 is fixedly connected to the middle of the output shaft 15, the second large gear 16 is connected with a second small gear 17 in a meshed manner, the second small gear 17 is coaxially and fixedly connected with a speed change shaft 18, the speed change shaft 18 is rotatably connected to the bottom end of the bed plate 2, and a first large gear 22 is rotatably connected to the front end of the speed change shaft 18; the first gearwheel 22 is engaged with a first pinion 23, the first pinion 23 is coaxially and fixedly connected with an input shaft 24, the input shaft 24 is rotatably connected to the bottom end of the bed plate 2, a spring 25 is fixedly connected to the middle of the input shaft, the outer end of the spring 25 is fixedly connected to the bottom end of the bed plate 2, and the front end of the input shaft 24 is fixedly connected with a rotating wheel 27;

the rear end of the input shaft 24 is connected with a second biting sleeve 20 through a spline, the second biting sleeve 20 is rotatably connected with a speed change plate 19, the middle part of the speed change shaft 18 is connected with a first biting sleeve 21 through a spline, and the first biting sleeve 21 is rotatably connected with the speed change plate 19; the rear end of the first gearwheel 22 is provided with biting teeth, and the front end of the first biting sleeve 21 is provided with biting grooves matched with the biting teeth; the rear end face of the output shaft 15 is provided with biting teeth, and the front end of the second biting sleeve 20 is provided with biting grooves matched with the biting teeth.

When the gear shift plate 19 is pushed backward, the device is in a high gear, and when the gear shift plate 19 is pushed forward, the device is in a low gear.

When the speed changing plate 19 is positioned at the rear side, after the rotating wheel 27 accumulates force, the spring 25 drives the input shaft 24 to rotate, the input shaft drives the first small gear 23 and the second bite sleeve 20 thereon to rotate, the first small gear 23 drives the first large gear 22 meshed with the first small gear to rotate, the first large gear 22 is rotationally connected with the speed changing shaft 18, and the first large gear 22 cannot drive the speed changing shaft 18 to rotate. At this time, the second engaging sleeve 20 is engaged with the output shaft 15, the second engaging sleeve 20 drives the output shaft 15 to rotate, and the cylindrical cam 14 on the output shaft 15 drives the cylindrical guide head 39 to move along the axial direction of the guide rod 13 through the arc-shaped groove on the cylindrical cam. Finally, the cylindrical guide head 39 carries the piston rod 11 and the piston 38 which are fixedly connected with the cylindrical guide head to reciprocate back and forth, so that the drainage box 10 is vacuumized at high speed.

When the speed changing plate 19 is positioned at the front side, after the rotating wheel 27 accumulates force, the input shaft 24 is driven by the spring 25 to rotate, the input shaft drives the first small gear 23 and the second engaging sleeve 20 thereon to rotate, the first small gear 23 drives the first large gear 22 meshed with the first small gear to rotate, one-stage speed reduction is realized, the first large gear 22 is engaged with the first engaging sleeve 21, and the first large gear 22 can drive the speed changing shaft 18 to rotate. At this point the second bite set 20 is not engaged with the output shaft 15 and the second bite set 20 cannot rotate with the output shaft 15. The second pinion 17 on the speed-changing shaft 18 carries the second gearwheel 16 engaged with the second pinion to rotate, so that the second gearwheel carries the output shaft 15 to rotate, and secondary speed reduction is realized. The cylindrical cam 14 on the output shaft 15 moves along the axial direction of the guide rod 13 with the cylindrical guide head 39 through the arc-shaped groove on the output shaft. Finally, the cylindrical guide head 39 carries the piston rod 11 and the piston 38 which are fixedly connected with the cylindrical guide head to reciprocate back and forth, so that the drainage box 10 is vacuumized at a low speed.

The front end of the speed changing plate 19 is fixedly connected with a pull rod 26, the pull rod 26 is slidably connected with a clamping sleeve 28, the clamping sleeve 28 is fixedly connected with the bottom end of the bed plate 2, a locking column 41 capable of popping downwards is arranged at the bottom end of the pull rod 26, a front locking hole and a rear locking hole are formed in the lower side of the clamping sleeve 28, and the locking column 41 is located in the locking hole.

The two locking holes are respectively arranged at the positions where the first biting sleeve 21 and the second biting sleeve 20 on the speed changing plate 19 are respectively meshed with the first large gear 22 and the output shaft 15. When the locking post 41 is retracted into the pull rod 26, the pull rod 26 can be moved back and forth to effect a positional shift of the shift plate 19.

The utility model discloses a pull rod 26, including pull rod 26, locking post 41, pull rod 26, control handle 40, control rod 43, reset spring 44, the side supports respectively pull rod 26 and control rod 43 around reset spring 44, locking post 41 upside articulates there is connecting rod 42, connecting rod 42 front side articulates there is a control lever 43, control lever 43 with the axis of pull rod 26 is parallel, control lever 43 with pull rod 26 sliding connection, control lever 43 stretches out pull rod 26 and is connected with control handle 40, control lever 43 rear portion cover is equipped with reset spring 44, reset spring 44 front and back side supports respectively pull rod 26 and control lever 43.

The principle of retraction and extension of the locking cylinder 41 is: the control handle 40 is pulled forward, the return spring 44 is pressed, the control rod 43 moves forward, the connecting rod 42 hinged with the control rod 43 swings, and the connecting rod 42 carries the locking column 41 hinged with the connecting rod 42 to move upwards and retract into the pull rod 26.

The one-way air inlet valve 31 and the one-way air outlet valve 32 have the same structure and respectively comprise a valve body, a locking spring 33 and a clamping plate 34 are sequentially placed on the inner side of the valve body, and a plurality of arc grooves which are uniformly distributed are formed in the outer circumference of the clamping plate 34; the catch plate 34 in the one-way intake valve 31 is located on the front side of the locking spring 33, and the catch plate 34 in the one-way exhaust valve 32 is located on the rear side of the locking spring 33.

The principle of the one-way air inlet valve 31 and the one-way air outlet valve 32 is similar, when the external pressure is high, the clamping plate 34 in the one-way air inlet valve 31 presses the locking spring 33 to move backwards, so that the effusion flows into the drainage box 10 from the arc groove. When the pressure in the drainage box 10 is high, the clamping plate 34 in the one-way air outlet valve 32 presses the locking spring 33 to move forwards, and the air in the drainage box 10 escapes from the arc groove.

When the device is used, a patient is firstly placed on the bed plate 2, the guide block 4 is moved to a proper position, then the patient is positioned by using the limb bandage 5 and the trunk bandage 6, and then the limiting sleeve 8 is moved to a proper position according to the scale marks on the drainage tube 7, and then the limiting screw is screwed to fix the limiting sleeve 8. The drain tube 7 is then inserted into the patient's chest until the stop collar 8 is applied to the patient's skin, after which the drain tube 7 is secured using the patch 9. Finally the pull rod 26 is pulled forward or pushed backward as required so that the piston rod 11 moves at a suitable speed. Then rotate runner 27 can carry out lasting taking out negative pressure after accumulating power for clockwork spring 25, and then take out patient's hydrops, after drainage box 10 is full, open the ball valve and can shift its interior hydrops, later sustainable use.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Although the frame body 1, the bed plate 2, the sliding chute 3, the guide block 4, the limb bandage 5, the trunk bandage 6, the drainage tube 7, the limit sleeve 8, the patch 9, the drainage box 10, the piston rod 11, the speed change structure 12, the guide rod 13, the cylindrical cam 14, the output shaft 15, the second gearwheel 16, the second pinion 17, the speed change shaft 18, the speed change plate 19, the second snap sleeve 20, the first snap sleeve 21 and the first gearwheel 22 are more used, the terms of the first pinion 23, the input shaft 24, the spring 25, the pull rod 26, the rotating wheel 27, the clamping sleeve 28, the quick-connection connector 29, the negative pressure pipe 30, the one-way air inlet valve 31, the one-way air outlet valve 32, the locking spring 33, the clamping plate 34, the outer sleeve 35, the clamping ring 36, the pressing ring 37, the piston 38, the cylindrical guide head 39, the control handle 40, the locking column 41, the connecting rod 42, the control rod 43, the return spring 44 and the like do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (8)

1. Drainage device for cardiovascular internal medicine, its characterized in that: the bed plate is characterized by comprising a frame body (1), wherein a bed plate (2) is fixedly connected to the top end of the frame body (1), four guide blocks (4) capable of moving back and forth are arranged on the left side and the right side of the top end of the bed plate (2), the guide blocks (4) on the front side and the rear side are connected with limb binding bands (5), and the guide blocks (4) in the middle are connected with trunk binding bands (6); the bottom of the bed plate (2) is fixedly connected with a drainage box (10), the front side of the drainage box (10) is connected with a piston (38) capable of reciprocating back and forth in a sliding mode, the front end of the piston (38) is fixedly connected with a piston rod (11), the front end of the piston rod (11) is connected with a speed change structure (12), and the speed change structure (12) is fixedly connected to the bottom end of the bed plate (2); drainage box (10) front end fixedly connected with one-way admission valve (31) and one-way air outlet valve (32), one-way admission valve (31) front end is connected with negative pressure pipe (30), and negative pressure pipe (30) are fixed in bed board (2) bottom, negative pressure pipe (30) expansion end are connected with drainage tube (7) through quick connector (29), the cover is equipped with stop collar (8) that can follow drainage tube (7) and remove on drainage tube (7), stop collar (8) left and right sides all is connected with paster (9), and drainage box (10) bottom is provided with the ball valve.

2. The cardiovascular drainage device of claim 1, wherein: the left side and the right side of the top end of the bed plate (2) are both provided with inverted T-shaped sliding grooves (3) which are communicated from front to back, and the guide blocks (4) are connected in the sliding grooves (3) in a sliding manner; the left end and the right end of the outer side of the limb bandage (5) are respectively provided with a hair side magic tape and a thorn side magic tape; the outer sides of the trunk bandage (6) on the left side and the right side are respectively provided with a hair side magic tape and a thorn side magic tape.

3. The cardiovascular drainage device of claim 1, wherein: the quick connector (29) comprises a hollow cylindrical outer sleeve (35) fixedly connected with the negative pressure pipe (30), and a hollow bowl-shaped clamping ring (36) and a pressing ring (37) are sequentially sleeved in the outer sleeve (35) from back to front; the rear side of the clamping tooth ring (36) extends inwards to form a plurality of arc-shaped clamping teeth, the pressing ring (37) is sleeved in the clamping tooth ring (36), and the outer circumference of the middle front part of the pressing ring (37) is provided with a retaining ring which is used for pushing the clamping tooth ring (36); the front end of the outer sleeve (35) is inwards bent to form a blocking piece, and the blocking piece is used for blocking the check ring.

4. The cardiovascular drainage device of claim 1, wherein: the outer circle of the limiting sleeve (8) is connected with a limiting screw in a circumferential inner thread mode, and the limiting screw is used for fixing the position of the limiting sleeve (8); the front side of the patch (9) is coated with medical adhesive, and the surface of the medical adhesive is coated with release paper; the outer circumference of the front side of the drainage tube (7) is provided with scale marks.

5. The cardiovascular drainage device of claim 1, wherein: the right side of the front part of the piston rod (11) is slidably connected with a guide rod (13), the guide rod (13) is fixedly connected with the bottom end of the bed plate (2), and the left side of the front end of the piston rod (11) is fixedly connected with a cylindrical guide head (39);

the speed change structure (12) comprises a cylindrical cam (14), an arc-shaped groove with a high left and a low right is formed in the outer circumference of the cylindrical cam (14), and the cylindrical guide head (39) is positioned in the arc-shaped groove; an output shaft (15) is fixedly connected to the front end of the cylindrical cam (14), the output shaft (15) is rotatably connected to the bottom end of the bed plate (2), a second large gear (16) is fixedly connected to the middle of the output shaft (15), a second small gear (17) is meshed and connected to the second large gear (16), a speed change shaft (18) is coaxially and fixedly connected to the second small gear (17), the speed change shaft (18) is rotatably connected to the bottom end of the bed plate (2), and a first large gear (22) is rotatably connected to the front end of the speed change shaft (18); the first large gear (22) is connected with a first small gear (23) in a meshed mode, the first small gear (23) is coaxially and fixedly connected with an input shaft (24), the input shaft (24) is rotatably connected to the bottom end of the bed plate (2), a spring (25) is fixedly connected to the middle of the input shaft, the outer end of the spring (25) is fixedly connected to the bottom end of the bed plate (2), and a rotating wheel (27) is fixedly connected to the front end of the input shaft (24);

the rear end of the input shaft (24) is connected with a second biting sleeve (20) through a spline, the second biting sleeve (20) is rotatably connected with a speed change plate (19), the middle part of the speed change shaft (18) is connected with a first biting sleeve (21) through a spline, and the first biting sleeve (21) is rotatably connected with the speed change plate (19); the rear end of the first gearwheel (22) is provided with biting teeth, and the front end of the first biting sleeve (21) is provided with biting grooves matched with the biting teeth; the rear end face of the output shaft (15) is provided with biting teeth, and the front end of the second biting sleeve (20) is provided with biting grooves matched with the biting teeth.

6. The cardiovascular drainage device of claim 5, wherein: change gear plate (19) front end fixedly connected with pull rod (26), pull rod (26) sliding connection has screens cover (28), screens cover (28) fixed connection in bed board (2) bottom, pull rod (26) bottom is provided with locking post (41) that can pop out downwards, two locking holes around screens cover (28) downside is provided with, locking post (41) are located the locking is downthehole.

7. The cardiovascular drainage device of claim 6, wherein: pull rod (26) cavity, locking post (41) with pull rod (26) sliding connection, locking post (41) upside articulates there is connecting rod (42), connecting rod (42) front side articulates there is control lever (43), control lever (43) with the axis of pull rod (26) is parallel, control lever (43) with pull rod (26) sliding connection, control lever (43) stretch out pull rod (26) and be connected with control handle (40), control lever (43) rear portion cover is equipped with reset spring (44), reset spring (44) front and back side supports respectively pull rod (26) and control rod (43).

8. The cardiovascular drainage device of claim 1, wherein: the structure of the one-way air inlet valve (31) is the same as that of the one-way air outlet valve (32), the one-way air inlet valve and the one-way air outlet valve both comprise valve bodies, locking springs (33) and clamping plates (34) are sequentially placed on the inner sides of the valve bodies, and a plurality of arc grooves which are uniformly distributed are formed in the outer circumference of each clamping plate (34); the clamping plate (34) in the one-way air inlet valve (31) is located on the front side of the locking spring (33), and the clamping plate (34) in the one-way air outlet valve (32) is located on the rear side of the locking spring (33).

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