CN109172891B - Pleuroperitoneal cavity pressure stabilizing suction device - Google Patents
Pleuroperitoneal cavity pressure stabilizing suction device Download PDFInfo
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- CN109172891B CN109172891B CN201811223644.1A CN201811223644A CN109172891B CN 109172891 B CN109172891 B CN 109172891B CN 201811223644 A CN201811223644 A CN 201811223644A CN 109172891 B CN109172891 B CN 109172891B
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
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Abstract
The invention provides a stable-pressure suction device for the pleuroperitoneal cavity, which can supplement the negative pressure in the suction cavity at any time in the liquid suction process, thereby ensuring the stability and efficiency of suction; the technical scheme includes that the suction device comprises a shell, a supporting plate is arranged in the shell, a cylinder body is arranged above the supporting 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, the right end of the piston is connected with a piston rod, a top plate is arranged above the supporting plate, a rotating shaft is arranged in the shell, the lower end of the rotating shaft is connected with a torsion spring, a cam is arranged at the outer edge of the rotating shaft, the rotating shaft can push the top plate to slide leftwards through the cam when rotating clockwise, the piston can slide rightwards to increase the volume of a suction cavity, a spiral plate is arranged at the outer edge of the rotating shaft, an L-shaped baffle is fixed at the lower end; the invention has novel conception and convenient use.
Description
Technical Field
The invention relates to the technical field of thoracoabdominal cavity puncture drainage, in particular to a thoracoabdominal cavity pressure-stabilizing suction device.
Background
The negative pressure drainage is widely applied in clinic, mainly aiming at postoperative patients, and the negative pressure drainage is used for leading liquid exuded from wound surfaces out of bodies, so that the negative pressure needs to have certain pressure and be continuous; the negative pressure drainage devices clinically applied at present are many, such as an artificial negative pressure drainage ball, an artificial negative pressure drainage bottle, a central negative pressure drainage bottle and the like.
The negative pressure drainage devices can not stabilize the negative pressure in the negative pressure manufacturing process and adjust the negative pressure according to the self condition of a patient; the central negative pressure drainage bottle can only generate negative pressure by external power of a negative pressure suction apparatus and the like, and the negative pressure suction apparatus can not work when a vacuum pump and the like have faults.
Therefore design one kind can not rely on outside power parts to carry out the drainage, can effectually adjust the negative pressure according to the condition of difference simultaneously, and the drainage device that keeps pressure steady in drainage process is very necessary.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pleuroperitoneal cavity pressure stabilizing suction device, which supplements the negative pressure in the suction cavity at any time in the liquid suction process, and ensures the stability and the efficiency of suction.
The technical scheme includes that the device comprises a shell, a horizontally placed support plate is arranged in the shell, a space is formed between the support plate and the bottom wall of the shell, a horizontally placed cylinder body capable of moving up and down is arranged above the support plate, a piston capable of sliding left and right in the cylinder body is arranged in the cylinder body, a suction cavity is formed between the left side of the piston and the cylinder body, a first spring is connected between the right end of the piston and the right side wall of the cylinder body and is always in a stretching state, a piston rod is connected to the right end of the piston, a top plate capable of sliding left and right is arranged on the right side of the cylinder body above the support plate, and the right end of;
the rotary shaft is arranged on the right side of the top plate in the shell, the upper end of the rotary shaft penetrates through the top wall of the shell and is arranged outside the shell, the lower end of the rotary shaft penetrates through the supporting plate and is connected with the bottom wall of the shell, the lower end of the rotary shaft is rotationally connected with the bottom wall of the shell, a torsion spring is connected between the lower end of the rotary shaft and the bottom wall of the shell, a cam is arranged on the outer edge of the rotary shaft arranged between the top wall of the shell and the supporting plate, the top plate is always in contact with the outer edge surface of the cam under the action of a first spring, the top plate can be pushed by the cam to slide leftwards by clockwise rotation of the rotary shaft, the piston can be pushed by the piston rod to slide leftwards in the cylinder body, when the rotary shaft rotates anticlockwise, the top plate can slide right, the lower extreme of cylinder body is fixed with L shape baffle, and the below of backup pad is arranged in to the horizontal board end of L shape baffle, and the horizontal board end of L shape baffle can contact with the lower extreme of spiral plate, and the anticlockwise rotation of pivot can be blockked to L shape baffle, and when L shape baffle moved down along with the cylinder body, the anticlockwise rotation that the pivot can be slow under the effect of L shape baffle.
The invention has novel conception and smart structure, supplements the negative pressure in the suction cavity at any time in the liquid suction process, and ensures the stability and the efficiency of suction.
Drawings
FIG. 1 is a front view of the present invention.
FIG. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the piston of the present invention when it is disposed at the leftmost side of the cylinder.
FIG. 4 is a perspective view of the rotating shaft and the L-shaped baffle of the present invention.
FIG. 5 is a perspective view of an L-shaped baffle of the present invention.
Fig. 6 is a side view of the top plate portion of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1-6, the invention includes a housing 1, a horizontally disposed support plate 2 is disposed in the housing 1, a space is provided between the support plate 2 and the bottom wall of the housing 1, a horizontally disposed cylinder 3 capable of moving up and down is disposed above the support plate 2, a piston 4 capable of sliding left and right in the cylinder 3 is disposed in the cylinder 3, a suction cavity 5 is formed between the left side of the piston 4 and the cylinder 3, a first spring 6 is connected between the right end of the piston 4 and the right side wall of the cylinder 3, the first spring 6 is always in a stretching state, the right end of the piston 4 is connected with a piston rod 22, a top plate 7 disposed on the right side of the cylinder 3 and capable of sliding left and right is disposed above the support plate 2, the right end of the piston rod 22 is slidably connected to;
the inner part of the shell 1 is provided with a rotating shaft 8 arranged on the right side of the top plate 7, the upper end of the rotating shaft 8 penetrates through the top wall of the shell 1 and is arranged outside the shell 1, the lower end of the rotating shaft 8 penetrates through the supporting plate 2 and is connected with the bottom wall of the shell 1, a torsion spring 9 is connected between the lower end of the rotating shaft 8 and the bottom wall of the shell 1, a cam 10 is arranged on the outer edge of the rotating shaft 8 arranged between the top wall of the shell 1 and the supporting plate 2, the top plate 7 is always contacted with the outer edge surface of the cam 10 under the action of the first spring 6, the rotating shaft 8 can drive the top plate 7 to slide leftwards through the cam 10 in a clockwise rotation manner, the piston 4 can be driven to slide leftwards through the piston rod 22 when the rotating shaft 8 rotates anticlockwise, the top plate 7 can slide rightwards under the action of the first spring 6, so as to further drive the piston, the outer fringe that pivot 8 was placed in between backup pad 2 and the 1 diapire of casing is equipped with spiral plate 11, the lower extreme of cylinder body 3 is fixed with L shape baffle 12, the below of backup pad 2 is placed in to the horizontal board end of L shape baffle 12, L shape baffle 12 horizontal board end can contact with the lower extreme of spiral plate 11, L shape baffle 12 can block the anticlockwise rotation of pivot 8, when L shape baffle 12 was along with cylinder body 3 downstream, the anticlockwise rotation that pivot 8 can be slow under the effect of L shape baffle 12.
In order to make the up-and-down movement of the cylinder 3 more stable, a second spring 13 is connected between the lower end of the cylinder 3 and the upper end surface of the supporting plate 2, a supporting rod 14 is arranged at the bottom of the cylinder 3, the lower end of the supporting rod 14 penetrates through the supporting plate and is arranged below the supporting plate 2, the cylinder 3 moves downwards to compress the second spring 13, and the cylinder 3 can move upwards under the action of the second spring 13.
In order to better realize the contact between the cam 10 and the top plate 7, a horizontally placed push rod 15 is arranged at the center of the right end face of the top plate 7, the right end of the push rod 15 is in contact with the outer edge of the cam 10, and the right end face of the push rod 15 is of a spherical structure.
In order to better realize the counterclockwise rotation of the limiting rotating shaft 8 by the L-shaped baffle 12, the height of the transverse plate end of the L-shaped baffle 12 is smaller than the screw pitch of the spiral plate 11, and the upper end of the L-shaped baffle 12 is in round angle transition.
In order to facilitate the liquid suction and discharge operation, the upper side wall of the cylinder 3 is connected with a liquid suction pipe 16, the upper end of the liquid suction pipe 16 penetrates through the top wall of the shell 1 and is arranged outside the shell 1, the lower side wall of the cylinder 3 is connected with a liquid discharge pipe 17, the lower end of the liquid discharge pipe 17 penetrates through the left side wall of the shell 1 and is arranged outside the shell 1, and a valve 18 is arranged on the liquid discharge pipe 17.
In order to form initial negative pressure conveniently, the outer edge of the rotating shaft 8 is sleeved with a sleeve 19, the sleeve 19 is in threaded connection with the rotating shaft 8, the upper end of the sleeve 19 penetrates through the top wall of the shell 1 and is arranged outside the shell 1, the cam 10 is installed on the outer edge surface of the sleeve 19, the sleeve 19 can be rotated to drive the cam 10 to rotate, and the rotating shaft 8 can be rotated to drive the sleeve 19 to rotate.
In order to adjust the negative pressure conveniently, the cam 10 and the sleeve 19 are detachably connected through a key-key groove, and the cam 10 is designed with various slope structures and can be replaced as required.
In order to reduce the resistance of the cylinder 3 moving downwards, the connecting part of the support rod 14 and the vertical rod end of the L-shaped baffle 12 and the support plate 2 is provided with a ball 21.
For the convenience of adjustment, the upper ends of the rotating shaft 8 and the sleeve 19 are provided with rotating handles 20.
When the invention is used specifically, in an initial state, the valve 18 on the liquid discharge pipe 17 is in a closed state, at the moment, the cylinder body 3 is positioned at the highest point under the action of the second spring 13, the clockwise rotating shaft 8 pushes the piston 4 to be positioned at the leftmost side of the cylinder body 3 through the cam 10, at the moment, the first spring 6 is in the longest stretching state, at the moment, the torsion spring 9 is in a force accumulation state, and the rotating shaft 8 cannot rotate anticlockwise under the action of the L-shaped baffle 12; when intracavity drainage is needed, the pipette 16 is firstly connected to an intubation tube in a human body, at the moment, the cam 10 is driven to rotate by a certain angle through the rotating sleeve 19, the top plate 7 moves rightwards by a certain distance under the action of the first spring 6, the piston 4 slides to the right side of the cylinder body 3 by a certain distance, negative pressure is formed in the suction cavity 5 between the piston 4 and the left side wall of the cylinder body 3 at the moment, accumulated liquid in the human body is discharged through the pipette 16, the size of the initial state of the suction cavity 5 can be controlled by controlling the size of the initial rotating angle of the sleeve 19, the pressure difference between the suction cavity 5 and the human body is further controlled, different pressure differences can be adjusted according to actual conditions, and a better suction effect is achieved; along with the discharge of human effusion, the effusion can enter the suction cavity 5, at the moment, the effusion can not be discharged because the valve 18 on the liquid discharge pipe 17 is in a closed state, along with the increase of the effusion, the whole weight of the cylinder body 3 is gradually increased, at the moment, the cylinder body 3 can move downwards to compress the second spring 13, and when the cylinder body 3 moves downwards; meanwhile, as the effusion flows in, the space in the suction cavity 5 is reduced, which can lead the pressure difference between the suction cavity 5 and the human body to be reduced, and can influence the discharge of the effusion, at the moment, as the cylinder body 3 can drive the L-shaped baffle 12 to move downwards, when the L-shaped baffle 12 moves downwards, because the contact position of the L-shaped baffle 12 and the spiral plate 11 is changed, the rotating shaft 8 can slowly rotate anticlockwise under the action of the torsion spring 9, the upper end of the L-shaped baffle 12 can always contact with the lower end surface of the spiral plate 11 under the action of the torsion spring 9, the anticlockwise rotation of the rotating shaft 8 can drive the cam 10 to rotate anticlockwise, since the top plate 7 is always in contact with the outer edge of the cam 10 by the first spring 6, the piston 4 slides to the right by the first spring 6, and further the volume of the suction chamber 5 is increased, so that the lost negative pressure can be supplemented to a certain extent, and better liquid suction operation can be achieved.
By designing the structure that the piston rod 22 is slidably connected to the top plate 7, the piston rod 22 can be moved downward and can slide left and right under the action of the top plate 7.
Simultaneously because the density that leads to the hydrops is the same to the utmost because reasons such as the position difference of hydrops and the consistency of hydrops at the imbibition in-process, the hydrops that inhales in the suction cavity 5 this moment leads to cylinder body 3 to move down also the same to the utmost, inhale the demand in order to guarantee different negative pressure this moment, can change different cam 10 and realize, because be connected of key-keyway between cam 10 and the sleeve 19, convenient the change, only need design the different cam 10 inclined plane structures of multiple difference and can realize different attraction demands.
After the hydrops suction is finished, the valve 18 on the liquid discharge pipe 17 can be opened to discharge liquid, the rotating shaft 8 can rotate clockwise at the moment, the rotating shaft 8 can not be blocked by the L-shaped baffle 12 due to clockwise rotation, the rotating shaft 8 can rotate clockwise, the top plate 7 can be pushed by the cam 10 to slide leftwards, the piston 4 can slide leftwards, the liquid discharge speed can be increased, when the piston 4 moves to the leftmost side of the cylinder body 3, the hydrops in the suction cavity 5 can be completely discharged out of the cylinder body 3, and the whole liquid suction and liquid discharge operation is completed at the moment.
According to the invention, the piston 4, the first spring 6 and the cam 10 are mutually matched, so that negative pressure can be supplemented at any time in the liquid suction process in the pleuroperitoneal cavity drainage process, the pressure difference between the inside of the suction cavity 5 and the inside of a human body can be kept at a relatively stable pressure, the liquid suction efficiency is conveniently improved, and the damage to the human body is avoided.
The rotating shaft 8 is controlled to rotate by the weight of the sucked accumulated liquid so as to adjust the pressure difference to conduct stable drainage, meanwhile, the whole operation process can be achieved without using an external power part, and when the device is used, the rotating shaft 8 is rotated clockwise at the beginning so that the torsion spring 9 can accumulate the force, so that the device is wide in application range and convenient to operate.
The invention has novel conception and smart structure, supplements the negative pressure in the suction cavity at any time in the liquid suction process, and ensures the stability and the efficiency of suction.
Claims (9)
1. A thoracic and abdominal cavity pressure-stabilizing suction device is characterized by comprising a shell (1), a horizontally arranged support plate (2) is arranged in the shell (1), a gap is arranged between the support plate (2) and the bottom wall of the shell (1), a horizontally arranged cylinder body (3) capable of moving up and down is arranged above the support plate (2), a piston (4) capable of sliding left and right in the cylinder body (3) is arranged in the cylinder body (3), a suction cavity (5) is formed by the left side of the piston (4) and the cylinder body (3), a first spring (6) is connected between the right end of the piston (4) and the right side wall of the cylinder body (3), the first spring (6) is always in a stretching state, the right end of the piston (4) is connected with a piston rod (22), a top plate (7) capable of sliding left and right is arranged on the right side of the cylinder body (3) is arranged above the support plate (2), and the, a structure that the piston rod (22) can move up and down along the top plate (7) is formed;
the inner part of the shell (1) is provided with a rotating shaft (8) arranged on the right side of the top plate (7), the upper end of the rotating shaft (8) penetrates through the top wall of the shell (1) and is arranged outside the shell (1), the lower end of the rotating shaft (8) penetrates through the supporting plate (2) and is connected with the bottom wall of the shell (1), the lower end of the rotating shaft (8) is rotatably connected with the bottom wall of the shell (1), a torsion spring (9) is connected between the lower end of the rotating shaft (8) and the bottom wall of the shell (1), the outer edge of the rotating shaft (8) arranged between the top wall of the shell (1) and the supporting plate (2) is provided with a cam (10), the top plate (7) is always contacted with the outer edge surface of the cam (10) under the action of a first spring (6), the rotating shaft (8) rotates clockwise and can push the top plate (7) to slide leftwards through the cam (10), the, when pivot (8) anticlockwise rotates, roof (7) can slide right under the effect of first spring (6), and then pulling piston (4) slide right, piston (4) slide right can make the volume increase that attracts chamber (5), pivot (8) are arranged in and are equipped with spiral plate (11) on the outer fringe between backup pad (2) and casing (1) diapire, the lower extreme of cylinder body (3) is fixed with L shape baffle (12), the below of backup pad (2) is arranged in to the horizontal plate end of L shape baffle (12), L shape baffle (12) horizontal plate end can contact with the lower extreme of spiral plate (11), the anticlockwise rotation of pivot (8) can be blockked in L shape baffle (12), when L shape baffle (12) moves down along with cylinder body (3), pivot (8) can slow anticlockwise rotation under the effect of L shape baffle (12).
2. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 1, 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), a support rod (14) is arranged at the bottom of the cylinder body (3), the lower end of the support rod (14) penetrates through the support plate and is arranged below the support plate (2), the cylinder body (3) moves downwards to compress the second spring (13), and the cylinder body (3) can move upwards under the action of the second spring (13).
3. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 1, wherein the central part of the right side end surface of the top plate (7) is provided with a horizontally placed push rod (15), the right end of the push rod (15) is contacted with the outer edge of the cam (10), and the right side end surface of the push rod (15) is of a spherical structure.
4. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 1, wherein the height of the transverse plate end of the L-shaped baffle plate (12) is less than the screw pitch of the spiral plate (11), and the upper end of the L-shaped baffle plate (12) is in round transition.
5. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 1, wherein the upper side wall of the cylinder body (3) is connected with a pipette (16), the upper end of the pipette (16) penetrates through the top wall of the casing (1) and is arranged outside the casing (1), the lower side wall of the cylinder body (3) is connected with a drain pipe (17), the lower end of the drain pipe (17) penetrates through the left side wall of the casing (1) and is arranged outside the casing (1), and a valve (18) is arranged on the drain pipe (17).
6. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 1, wherein the outer edge of the rotating shaft (8) is sleeved with a sleeve (19), the sleeve (19) is in threaded connection with the rotating shaft (8), the upper end of the sleeve (19) penetrates through the top wall of the shell (1) and is arranged outside the shell (1), the cam (10) is installed on the outer edge surface of the sleeve (19), the rotating sleeve (19) can drive the cam (10) to rotate, and the rotating shaft (8) can drive the sleeve (19) to rotate.
7. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 6, wherein the cam (10) and the sleeve (19) are detachably connected by a key-key slot, and the cam (10) is designed with various slope structures, so as to be replaced as required.
8. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 2, wherein the connecting part of the support rod (14) and the vertical rod end of the L-shaped baffle plate (12) and the support plate (2) is provided with a ball (21).
9. The pleuroperitoneal cavity pressure-stabilizing suction device as claimed in claim 6, wherein the upper ends of the rotating shaft (8) and the sleeve (19) are provided with rotating handles (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223644.1A CN109172891B (en) | 2018-10-19 | 2018-10-19 | Pleuroperitoneal cavity pressure stabilizing suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223644.1A CN109172891B (en) | 2018-10-19 | 2018-10-19 | Pleuroperitoneal cavity pressure stabilizing suction device |
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| Publication Number | Publication Date |
|---|---|
| CN109172891A CN109172891A (en) | 2019-01-11 |
| CN109172891B true CN109172891B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811223644.1A Active CN109172891B (en) | 2018-10-19 | 2018-10-19 | Pleuroperitoneal cavity pressure stabilizing suction device |
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| CN (1) | CN109172891B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025839B (en) * | 2019-05-31 | 2021-04-30 | 青岛市市立医院 | Emergency department inhales phlegm device |
| CN117018333B (en) * | 2023-10-08 | 2023-12-12 | 深圳市飞梵实业有限公司 | Tumor thermal perfusion chemotherapy steady voltage adjusting device |
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|---|---|---|---|---|
| CN2756235Y (en) * | 2004-12-20 | 2006-02-08 | 李晓云 | Adjustable constant negative pressure drainage device |
| CN103127601A (en) * | 2011-11-22 | 2013-06-05 | 黎柴佐 | Portable negative pressure drainage device |
| WO2015010110A1 (en) * | 2013-07-19 | 2015-01-22 | Atrium Medical Corporation | Chest drainage systems and methods |
| CN206745667U (en) * | 2016-12-07 | 2017-12-15 | 付楚靖 | A kind of depression drainage device |
| CN107583113A (en) * | 2017-09-19 | 2018-01-16 | 广东宏健医疗器械有限公司 | A kind of Portable negative-pressure drainage apparatus |
-
2018
- 2018-10-19 CN CN201811223644.1A patent/CN109172891B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2756235Y (en) * | 2004-12-20 | 2006-02-08 | 李晓云 | Adjustable constant negative pressure drainage device |
| CN103127601A (en) * | 2011-11-22 | 2013-06-05 | 黎柴佐 | Portable negative pressure drainage device |
| WO2015010110A1 (en) * | 2013-07-19 | 2015-01-22 | Atrium Medical Corporation | Chest drainage systems and methods |
| CN206745667U (en) * | 2016-12-07 | 2017-12-15 | 付楚靖 | A kind of depression drainage device |
| CN107583113A (en) * | 2017-09-19 | 2018-01-16 | 广东宏健医疗器械有限公司 | A kind of Portable negative-pressure drainage apparatus |
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| CN109172891A (en) | 2019-01-11 |
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