CN109172891A

CN109172891A - A kind of splanchnocoel pressure stabilizing suction device

Info

Publication number: CN109172891A
Application number: CN201811223644.1A
Authority: CN
Inventors: 周世繁; 刘明; 刘姝; 郭栋; 祁薇
Original assignee: Henan University of Traditional Chinese Medicine HUTCM
Current assignee: Henan University of Traditional Chinese Medicine HUTCM
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2019-01-11
Anticipated expiration: 2038-10-19
Also published as: CN109172891B

Abstract

The invention provides a thoracic and abdominal cavity pressure-stabilizing suction device, which can supplement the negative pressure in the suction cavity at any time during the liquid suction process, so as to ensure the stability and efficiency of suction; A cylinder body is arranged above the support plate, a piston is arranged in the cylinder body, a first spring is connected between the right end of the piston and the right side wall of the cylinder body, a piston rod is connected to the right end of the piston, and a top plate is arranged above the support plate , There is a rotating shaft in the casing, a torsion spring is connected to the lower end of the rotating shaft, and a cam is arranged on the outer edge of the rotating shaft. The clockwise rotation of the rotating shaft can push the top plate to slide to the left through the cam, and the sliding of the piston to the right can increase the volume of the suction cavity, and the outer edge of the rotating shaft can increase the volume of the suction cavity. There is a spiral plate on the top, and an L-shaped baffle is fixed at the lower end of the cylinder body. The L-shaped baffle can block the counterclockwise rotation of the rotating shaft. When the L-shaped baffle moves down with the cylinder body, the rotating shaft is under the action of the L-shaped baffle. It can be slowly rotated counterclockwise; the invention has a novel concept and is easy to use.

Description

A kind of splanchnocoel pressure stabilizing suction device

Technical field

The present invention relates to thoracocentesis abdominocentesis drain technical field, especially a kind of splanchnocoel pressure stabilizing suction device.

Background technique

Negative pressure drainage is very extensive in clinical application, and mainly for postoperative patients, negative pressure drainage is to create wound Outside the liquid lead body of face exudation, this requires negative pressure to have certain pressure and be lasting；The negative pressure clinically applied now There are many flow diverter, such as artificial negative pressure drainage ball, artificial negative pressure drainage vessel, central negative pressure drainage bottle etc..

These depression drainage devices can not stablize negative pressure during manufacturing negative pressure and be adjusted according to patient's own situation Negative pressure；Central negative pressure drainage bottle can only lean on the external impetus such as vacuum extractor to generate negative pressure, negative when vacuum pump etc. breaks down Pressure aspirator just cannot work.

Therefore designing one kind can be drained not against external impetus component, while can be effectively according to different feelings Condition adjusts negative pressure, and keeps the stable drainage device of pressure to be necessary in drainage process.

Summary of the invention

For above situation, for the defect for overcoming the prior art, the present invention provides a kind of splanchnocoel pressure stabilizing suction device, It supplements the negative pressure in suction cavity at any time in imbibition process, ensure that the stability and efficiency of attraction.

Its technical solution solved includes shell, is equipped with horizontal positioned support plate, support plate and shell bottom wall in shell Between have an interval, cylinder body horizontal positioned and moving up and down is equipped with above support plate, being equipped in cylinder body can control in cylinder body The piston of sliding, the left side of piston and cylinder body form suction cavity, are connected with the first bullet between the right end and cylinder body right side wall of piston Spring, the first spring are in tensional state always, and the right end of piston is connected with piston rod, is equipped with and is placed on the right side of cylinder body above support plate And the top plate that can be horizontally slipped, the right end of piston rod are slidably connected on top plate, form what piston rod can be moved up and down along top plate Structure；

The enclosure interior is equipped with the shaft being placed on the right side of top plate, and the upper end of shaft is placed in outside shell through housing top wall The lower end in portion, shaft is connected through the bottom wall of support plate and shell, is rotation connection between the lower end and shell bottom wall of shaft, is turned Torsional spring is connected between the lower end and shell bottom wall of axis, shaft is placed in the outer rim between housing top wall and support plate equipped with convex Wheel, always with the outer rim face contact of cam under the action of the first spring, shaft is rotated clockwise to be pushed by cam top plate Top plate slides to the left, and top plate slides to the left to push piston to slide to the left in cylinder body by piston rod, and shaft rotates counterclockwise When, top plate can slide to the right under the action of the first spring, and then piston is pulled to slide to the right, and piston, which slides to the right, can make to attract The volume of chamber increases, and shaft is placed in the outer rim between support plate and shell bottom wall equipped with spiral plate, and the lower end of cylinder body is fixed with L Shape baffle, the tabula end of L shape baffle are placed in the lower section of support plate, and L shape baffle tabula end can be with the lower end in contact of spiral plate, L shape Baffle can stop rotating counterclockwise for shaft, and when L shape baffle is moved down with cylinder body, shaft can be delayed under the action of L shape baffle Slow rotates counterclockwise.

Present inventive concept is novel, and clever structure supplements the negative pressure in suction cavity at any time in imbibition process, ensure that attraction Stability and efficiency.

Detailed description of the invention

Fig. 1 is main view of the present invention.

Fig. 2 is top view of the present invention.

Fig. 3 is status diagram when inventive piston piston is placed in the cylinder body leftmost side.

Fig. 4 is shaft of the present invention and L shape baffle stereoscopic schematic diagram.

Fig. 5 is L shape baffle stereoscopic schematic diagram of the present invention.

Fig. 6 is top plate position of the present invention side view.

Specific embodiment

Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.

By Fig. 1-6 it is found that the present invention includes shell 1, horizontal positioned support plate 2, support plate 2 and shell are equipped in shell 1 There is interval between 1 bottom wall of body, cylinder body 3 horizontal positioned and moving up and down is equipped with above support plate 2, being equipped in cylinder body 3 can be The piston 4 to horizontally slip in cylinder body 3, the left side of piston 4 and cylinder body 3 form suction cavity 5, the right end and 3 right side wall of cylinder body of piston 4 Between be connected with the first spring 6, the first spring 6 is in tensional state always, and the right end of piston 4 is connected with piston rod 22, supports The top plate 7 that is placed in 3 right side of cylinder body and can horizontally slip is equipped with above plate 2, the right end of piston rod 22 is slidably connected on top plate 7, Form the structure that piston rod 22 can be moved up and down along top plate 7；

The shaft 8 for being placed in 7 right side of top plate is equipped with inside the shell 1, the upper end of shaft 8 is placed in shell through 1 roof of shell Outside body 1, the lower end of shaft 8 is connect through support plate 2 with the bottom wall of shell 1, is between 1 bottom wall of lower end and shell of shaft 8 Rotation connection, is connected with torsional spring 9 between 1 bottom wall of lower end and shell of shaft 8, shaft 8 be placed in 1 roof of shell and support plate 2 it Between outer rim be equipped with cam 10, for top plate 7 always with the outer rim face contact of cam 10 under the action of the first spring 6, shaft 8 is suitable Hour hands rotation can push top plate 7 to slide to the left by cam 10, and top plate 7 slides to the left to push piston 4 to exist by piston rod 22 It is slided to the left in cylinder body 3, when shaft 8 rotates counterclockwise, top plate 7 can slide to the right under the action of the first spring 6, and then pull Piston 4 slides to the right, and piston 4, which slides to the right, can be such that the volume of suction cavity 5 increases, and shaft 8 is placed in 1 bottom wall of support plate 2 and shell Between outer rim be equipped with spiral plate 11, the lower end of cylinder body 3 is fixed with L shape baffle 12, and the tabula end of L shape baffle 12 is placed in support The lower section of plate 2,12 tabula end of L shape baffle can stop the counterclockwise of shaft 8 with the lower end in contact of spiral plate 11, L shape baffle 12 Rotation, when L shape baffle 12 is moved down with cylinder body 3, shaft 8 can be rotated counterclockwise slowly under the action of L shape baffle 12.

In order to keep moving up and down for cylinder body 3 more stable, connected between 2 upper surface of 3 lower end of cylinder body and support plate There is second spring 13, the bottom of cylinder body 3 is equipped with strut 14, and the lower end of strut 14 is placed in the lower section of support plate 2 through support plate, Cylinder body 3, which moves down, compresses second spring 13, and cylinder body 3 can move up under the action of second spring 13.

In order to preferably realize the contact of cam 10 with top plate 7, the right end face centre of the top plate 7 is equipped with water The right end of the mandril 15 of placing flat, mandril 15 is contacted with the outer rim of cam 10, and the right end face of mandril 15 is spherical structure.

In order to preferably realize rotating counterclockwise for 12 pairs of L shape baffle limitation shafts 8, the transverse slat of the L shape baffle 12 End height is less than the screw pitch of spiral plate 11, and the upper end of L shape baffle 12 is round-corner transition.

Pipette 16, pipette are connected with for the ease of carrying out imbibition and drain operation, the upper side wall of the cylinder body 3 16 upper end is placed in outside shell 1 through 1 roof of shell, and the lower wall of cylinder body 3 is connected with drain pipe 17, under drain pipe 17 End is placed in outside shell 1 through 1 left side wall of shell, and valve 18 is equipped on drain pipe 17.

In order to facilitate initial negative pressure is formed, be socketed with sleeve 19 in the outer rim of the shaft 8, sleeve 19 and shaft 8 it Between to be threadedly coupled, the upper end of sleeve 19 is placed in outside shell 1 through 1 roof of shell, and cam 10 is mounted on the outer of sleeve 19 On edge face, rotational sleeve 19 can be with the rotation of moving cam 10, and the rotation of shaft 8 can be with the rotation of moving sleeve 19.

For the ease of negative pressure is adjusted, being detachably connected for key-keyway between the cam 10 and sleeve 19, There are many different bevel structures for the design of cam 10, can according to need and are replaced.

In order to reduce the resistance that cylinder body 3 moves down, the vertical bar end and support of the strut 14 and L shape baffle 12 The connecting portion of plate 2 is equipped with ball 21.

For the ease of adjusting, the upper end of the shaft 8 and sleeve 19 is equipped with rotational handle 20.

The present invention is when specifically used, and when original state, the valve 18 on drain pipe 17 is in closed state, at this time cylinder body 3 are located at highest point under the action of second spring 13, rotate clockwise shaft 8 and push piston 4 to be located at cylinder body 3 most by cam 10 Left side, the first spring 6 is in longest tensional state at this time, and torsional spring 9 is in energy storage state, work of the shaft 8 in L shape baffle 12 at this time It can not be rotated counterclockwise under；When needing to carry out intracavitary drainage, pipette 16 is connected to the intracorporal intubation of people first, at this time First by rotational sleeve 19 with moving cam 10 carry out certain angle rotation, make top plate 7 under the action of the first spring 6 to the right It moves a certain distance, piston 4 can be to sliding certain distance on the right side of cylinder body 3, at this time between piston 4 and the left side wall of cylinder body 3 at this time Suction cavity 5 in will form negative pressure, the intracorporal hydrops of people is discharged by pipette 16, passes through 19 initial rotation angle of control sleeve The size of degree can control the space size of 5 original state of suction cavity, and then control suction cavity 5 and the intracorporal pressure difference of people, can To adjust different pressure differences according to the actual situation, preferably attract effect to reach；With the discharge of human body hydrops, hydrops meeting Into in suction cavity 5, at this time since the valve 18 on drain pipe 17 is in closed state, hydrops can not be discharged, with hydrops Increase, the overall weight of cylinder body 3 is to be gradually increased, and cylinder body 3 can move down compression second spring 13 at this time, and cylinder body 3 is to moving down When dynamic；Simultaneously because the inflow of hydrops, the space in suction cavity 5 can become smaller, and will lead to the pressure between suction cavity 5 and inside of human body Power difference reduces, and will affect the discharge of hydrops, moves down at this time since cylinder body 3 will drive L shape baffle 12, and L shape baffle 12 is downward When mobile, due to the change of L shape baffle 12 and 11 contact position of spiral plate, shaft 8 can be slowly inverse under the action of torsional spring 9 at this time Hour hands rotation, the upper end of L shape baffle 12 under the action of torsional spring 9 can always with the lower end face contact of spiral plate 11, shaft 8 it is inverse Hour hands rotation can be rotated counterclockwise with moving cam 10, since top plate 7 connects with 10 outer rim of cam always under the action of the first spring 6 Touching, piston 4 can slide to the right under the action of the first spring 6 at this time, and then increase the volume of suction cavity 5, can be in certain journey The negative pressure of loss is supplemented on degree, to reach better imbibition operation.

The structure being slidably connected on top plate 7 by devising piston rod 22 can be very good to realize that piston rod 22 is downward The function that can be horizontally slipped under the action of top plate 7 again while mobile.

Simultaneously because leading to hydrops due to the position of hydrops difference and the consistency of hydrops etc. in imbibition process Density is not quite similar, and the distance that the hydrops sucked in suction cavity 5 when specifically used at this time causes cylinder body 3 to move down is also not to the utmost It is identical, at this time in order to guarantee different vacuum suction demands, can carry out replacing different cams 10 to realize, due to cam 10 It is the connection of key-keyway between sleeve 19, is convenient for changing, it is only necessary to which designing a variety of different 10 bevel structures of cam can be real Existing different attraction demand.

After hydrops attracts, drain can be carried out by opening the valve 18 on drain pipe 17 at this time, at this time may be used Shaft 8 is rotated clockwise, not will receive the blocking of L shape baffle 12 since shaft 8 rotates clockwise, and shaft 8 rotates clockwise Top plate 7 can be pushed to slide to the left by cam 10, and then make the Slideslip to the left of piston 4, the speed of drain can be increased, work as piston 4 when being moved to 3 leftmost side of cylinder body, and the hydrops in suction cavity 5 can empty cylinder body 3 and complete entire imbibition drain behaviour at this time the at this time Make.

The present invention is realized by working in coordination for piston 4, the first spring 6 and cam 10 in progress splanchnocoel drainage process In, it can supplement negative pressure at any time in imbibition process, guarantee to may remain in one with the pressure difference of inside of human body in suction cavity 5 A metastable pressure, convenient for improving imbibition efficiency and avoiding the damage to human body.

The rotation for the Weight control shaft 8 that the present invention is sucked out by hydrops adjusts pressure difference and is steadily drained, together When the device do not need that whole operation process can be realized using external power part, when in use, it is only necessary at the beginning Rotate clockwise shaft 8 make torsional spring 9 carry out store power can be realized, use scope is wide, easy to operate.

Claims

1. A thoracic and abdominal cavity stabilization suction device, characterized in that it comprises a casing (1), a horizontally placed support plate (2) is arranged in the casing (1), the support plate (2) and the casing (1) There is a space between the bottom walls, a horizontally placed cylinder (3) that can move up and down is arranged above the support plate (2), and a piston (4) that can slide left and right in the cylinder (3) is arranged in the cylinder (3). ), the left side of the piston (4) and the cylinder (3) form a suction chamber (5), and a first spring (6) is connected between the right end of the piston (4) and the right side wall of the cylinder (3). The spring (6) is always in a stretched state, a piston rod (22) is connected to the right end of the piston (4), and a top plate (7) placed on the right side of the cylinder (3) and slidable left and right is arranged above the support plate (2). , the right end of the piston rod (22) is slidably connected to the top plate (7) to form a structure in which the piston rod (22) can move up and down along the top plate (7);

The casing (1) is provided with a rotating shaft (8) placed on the right side of the top plate (7), and the upper end of the rotating shaft (8) penetrates the top wall of the casing (1) and is placed outside the casing (1). The lower end of (8) penetrates through the support plate (2) and is connected to the bottom wall of the casing (1). A torsion spring (9) is connected between the bottom wall of the body (1), and a cam (10) is arranged on the outer edge of the rotating shaft (8) between the top wall of the casing (1) and the support plate (2), and the top plate ( 7) Under the action of the first spring (6), it is always in contact with the outer edge of the cam (10). The rotating shaft (8) can be rotated clockwise to push the top plate (7) to slide to the left through the cam (10). The top plate (7) By sliding to the left, the piston (4) can be pushed by the piston rod (22) to slide to the left in the cylinder (3). Slide to the right, and then pull the piston (4) to slide to the right. The piston (4) slides to the right to increase the volume of the suction chamber (5). The shaft (8) is placed on the support plate (2) and the bottom of the housing (1). The outer edge between the walls is provided with a spiral plate (11), the lower end of the cylinder block (3) is fixed with an L-shaped baffle (12), and the transverse plate end of the L-shaped baffle (12) is placed on the support plate (2) Below, the horizontal plate end of the L-shaped baffle (12) can be in contact with the lower end of the spiral plate (11), the L-shaped baffle (12) can block the counterclockwise rotation of the shaft (8), and the L-shaped baffle (12) When the cylinder block (3) moves downward, the rotating shaft (8) can slowly rotate counterclockwise under the action of the L-shaped baffle (12).

2 . The thoracic and abdominal cavity stabilization suction device according to claim 2 , wherein a second spring ( 13 ) is connected between the lower end of the cylinder body ( 3 ) and the upper end surface of the support plate ( 2 ). 3 . The bottom of the body (3) is provided with a support rod (14), the lower end of the support rod (14) penetrates the support plate and is placed under the support plate (2), the cylinder (3) moves downward to make the second spring (13) Compressed, the cylinder (3) can move upward under the action of the second spring (13).

3 . The chest and abdominal cavity pressure stabilization suction device according to claim 3 , wherein the center of the right end face of the top plate ( 7 ) is provided with a horizontally placed top rod ( 15 ), and the top rod ( 15 ) The right end of the cam is in contact with the outer edge of the cam (10), and the right end face of the ejector rod (15) is a spherical structure.

The thoracic and abdominal cavity pressure-stabilizing suction device according to claim 4, characterized in that the height of the transverse plate end of the L-shaped baffle (12) is smaller than the pitch of the spiral plate (11), and the L-shaped baffle (12). 12) The upper end is rounded transition.

5. The thoracic and abdominal cavity pressure stabilization suction device according to claim, characterized in that, a suction pipe (16) is connected to the upper side wall of the cylinder (3), and the upper end of the suction pipe (16) is connected with a suction pipe (16). It penetrates through the top wall of the casing (1) and is placed outside the casing (1), the lower side wall of the cylinder block (3) is connected with a drain pipe (17), and the lower end of the drain pipe (17) penetrates the casing (1) The left side wall is placed outside the casing (1), and a valve (18) is installed on the discharge pipe (17).

6 . The thoracic and abdominal cavity stabilization suction device according to claim 6 , wherein a sleeve ( 19 ) is sleeved on the outer edge of the rotating shaft ( 8 ), and the sleeve ( 19 ) is connected to the rotating shaft ( 8 ). 7 . The upper end of the sleeve (19) penetrates the top wall of the casing (1) and is placed outside the casing (1), the cam (10) is installed on the outer edge of the sleeve (19), and rotates The sleeve (19) can drive the rotation of the cam (10), and the rotation of the rotating shaft (8) can drive the rotation of the sleeve (19).

The thoracic and abdominal cavity pressure-stabilizing suction device according to claim 7, wherein the cam (10) and the sleeve (19) are detachably connected by a key-keyway, and the cam (10) is designed There are a variety of different bevel configurations that can be replaced as needed.

8 . The thoracic and abdominal cavity stabilization suction device according to claim 8 , characterized in that the connecting part of the support rod ( 14 ) and the vertical rod end of the L-shaped baffle ( 12 ) and the support plate ( 2 ) With balls (21).

9 . The thoracic and abdominal cavity stabilization suction device according to claim 9 , wherein the rotating shaft ( 8 ) and the upper end of the sleeve ( 19 ) are provided with a rotating handle ( 20 ). 10 .