CN115804874A - Negative pressure regulator for thoracic drainage device - Google Patents
Negative pressure regulator for thoracic drainage device Download PDFInfo
- Publication number
- CN115804874A CN115804874A CN202111065032.6A CN202111065032A CN115804874A CN 115804874 A CN115804874 A CN 115804874A CN 202111065032 A CN202111065032 A CN 202111065032A CN 115804874 A CN115804874 A CN 115804874A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- base
- valve
- drainage device
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000115 thoracic cavity Anatomy 0.000 title abstract description 30
- 238000002955 isolation Methods 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 6
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 6
- 210000000038 chest Anatomy 0.000 description 8
- 239000007788 liquid Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010018833 Haematocoele Diseases 0.000 description 1
- 208000005873 Hematocele Diseases 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 201000004920 hematocele of tunica vaginalis testis Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The invention belongs to the technical field of thoracic drainage, in particular to a negative pressure regulator used on a thoracic drainage device; the device comprises a base, wherein the base comprises a cylinder body with a bottom plate, an accommodating cavity is formed in the cylinder body, and a first through hole is formed in the bottom plate; the valve core comprises a main body, wherein the bottom surface of the main body is provided with an inserting hole upwards along the axial direction, a plurality of second through holes communicated with the two end surfaces of the main body are distributed on the main body along the circumferential direction, and the valve core is in threaded connection with an accommodating cavity of the base; the valve plate comprises a valve rod and a chassis, and the valve rod is arranged on one end face of the chassis; the valve rod is inserted in the jack of the valve core, and the chassis is positioned between the bottom plate of the base and the bottom surface of the valve core; one end of the spring is tightly propped against the bottom plate, and the other end of the spring is tightly propped against the chassis; the knob is connected with the valve core, the knob is provided with a ventilation channel communicated with the second through hole, and the knob drives the valve core to synchronously rotate so as to realize the lifting of the valve core in the accommodating cavity and achieve the purpose of negative pressure regulation.
Description
The technical field is as follows:
the invention belongs to the technical field of thoracic drainage, and particularly relates to a negative pressure regulator for a thoracic drainage device.
Background art:
in the field of medical clinical treatment, the current commonly used method for discharging sewage or removing body fluid adopts a negative pressure suction method. The thoracic cavity of a human body is a negative pressure cavity, and in clinical practice, for a patient who carries out chest and heart surgery and chest trauma treatment, after the thoracic cavity is opened and sutured, negative pressure in the thoracic cavity disappears, hematocele and partial air in the thoracic cavity need to be discharged, so that the pressure in the thoracic cavity is restored to a state lower than the atmospheric pressure, or gas or liquid in the thoracic cavity is discharged out of the body, and the like, the thoracic cavity drainage system is required to be used for draining the gas or liquid in the thoracic cavity into a bottle.
The existing negative pressure adjusting mode adopts a water column type adjusting structure, and water is injected into the thoracic drainage device. The pressure in the chest drainage device can be changed when the chest drainage device is toppled or inclined, the pressure is not constant, the use effect is poor, and the use is unsafe.
The invention content is as follows:
the invention aims to provide a negative pressure regulator for a thoracic drainage device, which is safe, reliable and convenient to use.
The invention is realized by the following steps:
a negative pressure regulator for use on a chest drainage device, comprising:
the base is a cylinder body with a bottom plate, an accommodating cavity is formed in the cylinder body, and a first through hole is formed in the bottom plate;
the valve core comprises a main body, the bottom of the main body is upwards provided with a jack, a plurality of second through holes communicated with two end faces of the main body are circumferentially distributed on the main body, and the valve core is in threaded connection with an accommodating cavity of the base;
the valve plate comprises a valve rod and a base plate, the valve rod is arranged on one end face of the base plate, the valve rod is inserted into the jack of the valve core, and the base plate is positioned between the bottom plate of the base and the bottom surface of the valve core;
one end of the spring is tightly propped against the bottom plate, and the other end of the spring is tightly propped against the chassis;
the knob is connected with the valve core, a ventilation channel communicated with the second through hole is formed in the knob, and the knob is rotated to drive the valve core to synchronously rotate so as to realize the lifting of the valve core in the accommodating cavity.
In the above negative pressure regulator for use in a chest drainage device, a shock absorbing cap is provided on the top of the valve stem.
In the above-mentioned negative pressure regulator for use on a thoracic drainage device, the main part is the tube-shape, has the end plate at the one end integrated into one piece of main part, the second through-hole circumference equipartition is on the end plate, upwards is provided with the projection in the middle part of end plate, the jack is located the projection, and the open end of jack is located the end plate.
In the above negative pressure regulator for use in a thoracic drainage device, an external thread is provided on the outer cylindrical wall of the main body, and an internal thread is provided on the inner cylindrical wall of the base.
In the above negative pressure regulator for the thoracic drainage device, the inner cylinder wall of the main body is provided with a plurality of first strip-shaped protrusions arranged along the axial direction along the circumferential direction, the knob is provided with an insertion part inserted in the main body, a plurality of second strip-shaped protrusions arranged along the axial direction are circumferentially distributed on the outer circumferential surface of the insertion part, and the first strip-shaped protrusions and the second strip-shaped protrusions are meshed with each other to realize the connection of the knob and the valve core.
In foretell a negative pressure regulator for on thorax drainage device, the knob includes coaxial setting first barrel, the second barrel of taking the roof, and the second barrel is connected through the plectrum of circumference equipartition outside first barrel with first barrel, the external diameter of first barrel is less than the internal diameter of second barrel, the plectrum is unsettled the setting in the top of second barrel with first barrel, forms the passageway of ventilating between the adjacent plectrum, between first barrel and the second barrel.
In the above negative pressure regulator for the thoracic drainage device, the upper end of the base extends upwards along the axial direction of the upper plane of the cylinder body to form an arc-shaped side plate, a limiting convex block is arranged at one end of the arc-shaped side plate, the arc-shaped side plate is positioned at one side of the first through hole, and a protrusion for limiting the rotation of the knob is arranged on the shifting piece.
In the above negative pressure regulator for the thoracic drainage device, a sealing ring for sealing the outer cylindrical surface of the valve core and the inner wall of the accommodating cavity of the base is arranged on the outer cylindrical surface of the valve core main body.
In the negative pressure regulator for the thoracic drainage device, the bottom plate is provided with the spring seat, the valve rod is internally provided with the spring hole, the open end of the spring hole penetrates through the chassis, one end of the spring is arranged on the spring seat, and the other end of the spring is arranged in the spring hole.
In the above negative pressure regulator for the thoracic drainage device, the bottom plane of the base is provided with a radial isolation convex strip, the bottom surface of the base is divided into an area with a first through hole and an area without the first through hole by the radial isolation convex strip, two axial isolation convex strips are arranged on the side wall of the base, and the radial isolation convex strip and the axial isolation convex strip form a U-shaped isolation convex strip.
Compared with the prior art, the invention has the outstanding advantages that:
1. the invention adopts a mechanical structure to realize the adjustment of the negative pressure in the thoracic drainage device, is safe and reliable, and ensures that the required constant pressure is kept in the thoracic drainage device;
2. the invention adopts the rotary shifting sheet to realize the adjustment of the negative pressure, and the adjustment is convenient.
Description of the drawings:
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;
FIG. 5 is a bottom view of the present invention;
FIG. 6 is a top view of the present invention;
fig. 7 is a left side view of the present invention.
In the figure: 1. a base; 2. a base plate; 3. an accommodating cavity; 4. a first through hole; 5. a valve core; 6. a main body; 7. a jack; 8. a second through hole; 9. a valve plate; 10. a valve stem; 11. a chassis; 12. a spring; 13. a knob; 14. an end plate; 15. a convex column; 16. a first strip-shaped bulge; 17. a second strip-shaped bulge; 18. a first cylinder; 19. a shifting sheet; 20. a spring seat; 21. a spring hole; 22. an arc-shaped side plate; 23. a limiting bump; 24. a protrusion; 25. radial isolation convex strips; 26. axial isolation convex strips; 27. a shock-absorbing cap; 28. and (4) external threads.
The specific implementation mode is as follows:
the invention will now be further described by way of specific examples, with reference to figures 1 to 7:
a negative pressure regulator for use on a chest drainage device, comprising: base 1, case 5, valve block 9, spring 12 and knob 13. The base 1 comprises a cylinder body with a bottom plate 2, a containing cavity 3 is arranged in the cylinder body, and a first through hole 4 is formed in the bottom plate 2. The valve core 5 comprises a main body 6, a jack 7 is arranged upwards on the bottom surface of the main body 6 along the axial direction, a plurality of second through holes 8 communicated with two end surfaces of the main body 6 are distributed on the main body 6 along the circumferential direction, and the valve core 5 is in threaded connection with the accommodating cavity 3 of the base 1. The valve plate 9 comprises a valve rod 10 and a chassis 11, the valve rod 10 is arranged on one end face of the chassis 11, and the axial direction of the valve rod 10 is perpendicular to the chassis 11. The valve rod 10 is inserted into the insertion hole 7 of the valve core 5, and the chassis 11 is positioned between the bottom plate 2 of the base 1 and the bottom surface of the valve core 5. One end of the spring 12 is tightly pressed on the bottom plate 2, and the other end is tightly pressed on the bottom plate 11. The spring force of the spring 12 acts on the valve plate 9 and urges it against the valve element 5. The knob 13 is connected with the valve core 5, a ventilation channel communicated with the second through hole 8 is arranged on the knob 13, and the valve core 5 is driven to synchronously rotate by rotating the knob 13, so that the valve core 5 is lifted in the accommodating cavity 3 to achieve the purpose of negative pressure regulation.
Under the state of no negative pressure, under the action of the spring force of the spring 12, the chassis 11 of the valve plate 9 is attached to the bottom plane of the valve core 5, and the chassis 11 blocks the second through hole 8.
Under the state of negative pressure, gas acts on the base plate 11 of the valve plate 9 through the second through hole 8 from the ventilation channel, at the moment, the spring 12 is compressed to drive the valve plate 9 to move downwards, the base plate 11 is separated from the valve core 5, and the gas enters the accommodating cavity 3 and is input into the thoracic drainage device through the first through hole 4.
When the negative pressure needs to be adjusted, the knob 13 is rotated to adjust the up-and-down position of the valve core in the accommodating cavity 3, so that the adjustment of the negative pressure can be realized.
The invention adopts a mechanical adjusting structure, has no requirement on the placement mode of the thoracic drainage device, is safe and reliable to use and is convenient to adjust.
When the valve rod 10 is reset, it may collide with the valve body 5, which may cause noise and diagnosis. In order to solve the above problems, the present invention provides a damper cap 27 on the top of the valve stem 10. The shock absorbing cap 27 may be made of rubber or silicone material. Meanwhile, the arrangement of the damping cap 27 can also make the reciprocating movement of the valve rod 10 in the insertion hole 7 more stable.
As shown in fig. 1 and 4, in the present invention, the main body 6 is cylindrical, an end plate 14 is integrally formed at one end of the main body 6, the second through holes 8 are circumferentially and uniformly distributed on the end plate 14, a boss 15 is axially arranged at the middle of the end plate 14, the boss 15 is located in the main body 6, the insertion hole 7 is located in the boss 15, and the opening end of the insertion hole 7 is located on the end plate 14. The outer cylinder wall of the main body 6 is provided with an external thread 28, and the inner cylinder wall of the base 1 is provided with an internal thread.
As shown in fig. 1 and 4, a plurality of first strip-shaped protrusions 16 arranged along the axial direction are circumferentially distributed on the inner cylinder wall of the main body 6, an insertion part inserted into the main body 6 is arranged on the knob 13, a plurality of second strip-shaped protrusions 17 arranged along the axial direction are circumferentially distributed on the outer peripheral surface of the insertion part, and the first strip-shaped protrusions 16 and the second strip-shaped protrusions 17 are engaged with each other to realize the connection of the knob 13 and the valve core 5.
The knob 13 can be connected with the base 1 by adopting a key connection structure.
As shown in fig. 1, the knob 13 includes a first cylinder 18 and a second cylinder which are coaxially arranged and provided with a top plate, the second cylinder is an insertion part, the outer diameter of the first cylinder 18 is smaller than the inner diameter of the second cylinder, the second cylinder is connected with the first cylinder 18 through shifting pieces 19 which are uniformly distributed outside the first cylinder 18 in the circumferential direction, the shifting pieces 19 suspend the first cylinder 18 above the second cylinder, and ventilation channels are formed between adjacent shifting pieces 19 and between the first cylinder 18 and the second cylinder.
The shifting sheet 19 can play a role in scale indication, and is convenient for a user to adjust.
In order to realize the sealing between the base 1 and the valve core 5, a sealing ring for sealing the outer cylindrical surface of the valve core 5 and the inner wall of the accommodating cavity 3 of the base 1 is arranged on the outer cylindrical surface of the main body 6 of the valve core 5.
A spring seat 20 is arranged on a bottom plate 2, a spring hole 21 is arranged in a valve rod 10, the open end of the spring hole 21 penetrates through a chassis 11, one end of a spring 12 is arranged on the spring seat 20, and the other end of the spring 12 is arranged in the spring hole 21. The spring 12 is positioned through the spring seat 20 and the spring hole 21, and the structure is stable.
According to the invention, an arc-shaped side plate 22 extends upwards along the axial direction of the upper plane of the barrel at the upper end of the base 1, a limiting lug 23 is arranged at one end of the arc-shaped side plate 22, the arc-shaped side plate 22 is positioned at one side provided with the first through hole 4, and a protrusion 24 which is abutted with the limiting lug 23 and limits the rotation angle of the knob 13 is arranged on the shifting sheet 19. The rotation angle of the knob 13 can be controlled to be 360 ° clockwise and 360 ° counterclockwise by the cooperation of the limiting protrusion 23 and the protrusion 24, that is, when the limiting protrusion 23 and the protrusion 24 abut against each other, the starting point is that the chassis 11 abuts against the bottom of the valve core 5. During negative pressure adjustment, the rotary valve rotates clockwise or counterclockwise according to requirements.
In order to divide the base 1, the bottom plane of the base 1 is provided with a radial isolation convex strip 25, the radial isolation convex strip 25 divides the bottom surface of the base 1 into an area with the first through hole 4 and an area without the first through hole 4, two axial isolation convex strips 26 are arranged on the side wall of the base 1, and the radial isolation convex strip 25 and the axial isolation convex strips 26 form a U-shaped isolation convex strip, namely, the base 1 is divided into two parts along the axial direction. After the thoracic drainage device is installed, the radial isolation convex strips 25 and the axial isolation convex strips 26 are sealed with corresponding shells on the thoracic drainage device and the arc-shaped side plates 22 are sealed with corresponding shells through sealing glue, so that a negative pressure channel is formed by the ventilation channel, the second through hole 8, the accommodating cavity 3, the first through hole 4 and the interior of the thoracic drainage device.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A negative pressure regulator for use on a chest drainage device, comprising: the method comprises the following steps:
the base (1) is a cylinder body with a bottom plate (2), an accommodating cavity (3) is formed in the cylinder body, and a first through hole (4) is formed in the bottom plate (2);
the valve core (5) comprises a main body (6), an insertion hole (7) is formed in the bottom of the main body (6) upwards, a plurality of second through holes (8) communicated with two end faces of the main body (6) are circumferentially distributed in the main body (6), and the valve core (5) is in threaded connection with the accommodating cavity (3) of the base (1);
the valve plate (9), the valve plate (9) includes valve stem (10) and chassis (11), the valve stem (10) is set up on an end of the chassis (11), the said valve stem (10) is inserted and established in jack (7) of the valve core (5), the said chassis (11) locates between bottom plate (2) and valve core (5) bottom surface of the base (1);
one end of the spring (12) is tightly pressed on the bottom plate (2), and the other end of the spring (12) is tightly pressed on the chassis (11);
knob (13), be connected with case (5), and be provided with the passageway of ventilating with second through-hole (8) intercommunication on knob (13), rotate knob (13) and drive case (5) synchronous rotation and realize that case (5) goes up and down and then carry out negative pressure control in holding chamber (3).
2. A negative pressure regulator for use on a chest drainage device according to claim 1, wherein: the top of the valve rod (10) is provided with a damping cap (27).
3. A negative pressure regulator for use on a chest drainage device according to claim 1 or 2, wherein: main part (6) are the tube-shape, have end plate (14) at the one end integrated into one piece of main part (6), second through-hole (8) circumference equipartition upwards is provided with projection (15) in the middle part of end plate (14) on end plate (14), jack (7) are located projection (15), and the open end of jack (7) is located end plate (14).
4. A negative pressure regulator for use with a chest drainage device according to claim 3, wherein: an external thread (28) is arranged on the outer cylinder wall of the main body (6), and an internal thread is arranged on the inner cylinder wall of the base (1).
5. A negative pressure regulator for use on a chest drainage device according to claim 3, wherein: the novel valve is characterized in that a plurality of first strip-shaped bulges (16) arranged along the axial direction are arranged on the inner cylinder wall of the main body (6) along the circumferential direction, an inserting part inserted in the main body (6) is arranged on the knob (13), a plurality of second strip-shaped bulges (17) arranged along the axial direction are circumferentially distributed on the outer circumferential surface of the inserting part, and the first strip-shaped bulges (16) and the second strip-shaped bulges (17) are meshed with each other to realize the connection of the knob (13) and the valve core (5).
6. A negative pressure regulator for use on a chest drainage device according to claim 5, wherein: knob (13) are including coaxial first barrel (18), the second barrel of setting up the area roof, and the second barrel is connected through plectrum (19) of circumference equipartition outside first barrel (18) with first barrel (18), the external diameter of first barrel (18) is less than the internal diameter of second barrel, plectrum (19) are with the unsettled setting in the top of second barrel of first barrel (18), between adjacent plectrum (19), form the passageway of ventilating between first barrel (18) and the second barrel.
7. A negative pressure regulator for use with a chest drainage device according to claim 6, wherein: the upper end of base (1) upwards extend along the last plane axial of barrel and have arc curb plate (22), be provided with spacing lug (23) in the one end of arc curb plate (22), arc curb plate (22) are located the one side that is provided with first through-hole (4), are provided with restriction knob (13) pivoted arch (24) on plectrum (19).
8. A negative pressure regulator for use on a chest drainage device according to claim 1, wherein: and a sealing ring for sealing the outer cylindrical surface of the valve core (5) and the inner wall of the accommodating cavity (3) of the base (1) is arranged on the outer cylindrical surface of the valve core (5) main body (6).
9. A negative pressure regulator for use with a chest drainage device according to claim 1, wherein: the improved valve is characterized in that a spring seat (20) is arranged on the bottom plate (2), a spring hole (21) is formed in the valve rod (10), the open end of the spring hole (21) penetrates through the chassis (11) to be arranged, one end of the spring (12) is arranged on the spring seat (20), and the other end of the spring is arranged in the spring hole (21).
10. A negative pressure regulator for use with a chest drainage device according to claim 1, wherein: the basal plane of base (1) be provided with radial isolation sand grip (25), radial isolation sand grip (25) divide the bottom surface of base (1) into the region of taking first through-hole (4) and the region of not taking first through-hole (4), be provided with two axial isolation sand grip (26) on the lateral wall of base (1), radial isolation sand grip (25), axial isolation sand grip (26) form the isolation sand grip of U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065032.6A CN115804874A (en) | 2021-09-11 | 2021-09-11 | Negative pressure regulator for thoracic drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065032.6A CN115804874A (en) | 2021-09-11 | 2021-09-11 | Negative pressure regulator for thoracic drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115804874A true CN115804874A (en) | 2023-03-17 |
Family
ID=85480934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111065032.6A Pending CN115804874A (en) | 2021-09-11 | 2021-09-11 | Negative pressure regulator for thoracic drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115804874A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514232B1 (en) * | 1999-06-10 | 2003-02-04 | Andrea Gibertoni | Vacuum adjustment valve, particularly for thoracic drainage devices |
| CN201847957U (en) * | 2010-11-11 | 2011-06-01 | 何建庆 | Closed-type thoracic drainage device |
| CN203043066U (en) * | 2012-10-18 | 2013-07-10 | 珠海市奥吉赛科技有限公司 | Negative pressure regulator main body |
| JP5329703B1 (en) * | 2012-07-30 | 2013-10-30 | 株式会社丸岡製作所 | Automatic pressure control valve |
| CN204004756U (en) * | 2014-06-09 | 2014-12-10 | 绍兴市超捷医疗器械有限公司 | A kind of draft regulator valve body structure |
| CN207356302U (en) * | 2017-03-20 | 2018-05-15 | 四川大学华西医院 | Medical negative pressure adjuster |
| CN210020855U (en) * | 2019-01-29 | 2020-02-07 | 湾资医疗设备（上海）有限公司 | Negative pressure regulating valve |
| CN213554196U (en) * | 2020-10-12 | 2021-06-29 | 浙江祥康医疗科技有限公司 | Thoracic drainage device |
-
2021
- 2021-09-11 CN CN202111065032.6A patent/CN115804874A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514232B1 (en) * | 1999-06-10 | 2003-02-04 | Andrea Gibertoni | Vacuum adjustment valve, particularly for thoracic drainage devices |
| CN201847957U (en) * | 2010-11-11 | 2011-06-01 | 何建庆 | Closed-type thoracic drainage device |
| JP5329703B1 (en) * | 2012-07-30 | 2013-10-30 | 株式会社丸岡製作所 | Automatic pressure control valve |
| CN203043066U (en) * | 2012-10-18 | 2013-07-10 | 珠海市奥吉赛科技有限公司 | Negative pressure regulator main body |
| CN204004756U (en) * | 2014-06-09 | 2014-12-10 | 绍兴市超捷医疗器械有限公司 | A kind of draft regulator valve body structure |
| CN207356302U (en) * | 2017-03-20 | 2018-05-15 | 四川大学华西医院 | Medical negative pressure adjuster |
| CN210020855U (en) * | 2019-01-29 | 2020-02-07 | 湾资医疗设备（上海）有限公司 | Negative pressure regulating valve |
| CN213554196U (en) * | 2020-10-12 | 2021-06-29 | 浙江祥康医疗科技有限公司 | Thoracic drainage device |
Non-Patent Citations (1)
| Title |
|---|
| 武建双;: "改良式胸腔闭式引流的观察和护理", 当代护士(专科版), no. 12, 5 December 2010 (2010-12-05), pages 121 - 123 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1799162B1 (en) | Penile erection pump | |
| WO2020103389A1 (en) | Health management device | |
| CN115804874A (en) | Negative pressure regulator for thoracic drainage device | |
| CN105664268A (en) | Cupping device with vibration massage function | |
| EP2593053B1 (en) | Improvements relating to penis pumps | |
| CN108938059A (en) | A kind of gas-sealing type blood-letting row bolt withdrawing one tank arrangement | |
| CN105536080A (en) | Multifunctional cupping device | |
| CN107638283B (en) | A kind of adjustable sputum elimination machine vibration pneumatic generating device | |
| CN110090405A (en) | A kind of respiration training | |
| CN109434703A (en) | Flexible adjustable absorption platform | |
| KR200368708Y1 (en) | Apparatus for achieving penis erection | |
| US20130030244A1 (en) | Penile rigidity device | |
| KR20170003659U (en) | A medical cupping | |
| CN114129979A (en) | Lung rehabilitation training device after cardiothoracic surgery | |
| CN208809182U (en) | Negative-pressure cup | |
| CN208552653U (en) | A kind of self-service cupping device of pneumatic type | |
| CN208911083U (en) | Pressure regulating device and negative-pressure cup with the pressure regulating device | |
| CN220174871U (en) | Height-adjustable cervical vertebra physiotherapy pillow | |
| CN204864247U (en) | High reliability wheel suction jar | |
| CN219538605U (en) | Head postoperative washs auxiliary device | |
| CN209678980U (en) | Waist lifting structure and waist lifting seat | |
| CN213526381U (en) | Scald preventing moxibustion device | |
| CN210301665U (en) | Cupping physiotherapy device with massage function | |
| CN208741692U (en) | A kind of artificial trachea pipe stopper | |
| CN105662807A (en) | Cupping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |