CN104225693B - Negative-pressure micro-control portable drainage device - Google Patents
Negative-pressure micro-control portable drainage device Download PDFInfo
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- CN104225693B CN104225693B CN201410523927.3A CN201410523927A CN104225693B CN 104225693 B CN104225693 B CN 104225693B CN 201410523927 A CN201410523927 A CN 201410523927A CN 104225693 B CN104225693 B CN 104225693B
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- pressure
- negative pressure
- pressure regulation
- bottle
- negative
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- External Artificial Organs (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to medical equipment for drainage. Drainage can help swelling on wound surfaces to be alleviated smoothly, body fluids are discharged, and healing of the wound surfaces is facilitated. Bleeding amount of drainage changes along with change of negative pressure of drainage and is different according to body conditions of patients, and personalized adjustment is needed. A negative-pressure micro-control portable drainage device is characterized in that the appearance that a semicircular bottle body and a water drop ball-type drainage bottle are matched is adopted on a negative-pressure bottle body, the negative-pressure bottle body is provided with two bottle openings, a manual negative-pressure inflator is assembled in one bottle opening, a negative-pressure regulating valve is arranged on the other bottle opening, adjusted negative pressure is connected with a drainage bottle through a catheter, the drainage bottle is further provided with two bottle openings, one bottle opening is a drainage suction opening, the other bottle opening is an outer liquid outlet, and negative pressure adjustment is achieved in the mode that a pressure regulating arch membrane (2) expands or retracts by means of suction force generated by the negative pressure, an adjustable micro-control device is pushed, medical staff adjust the magnitude of the negative-pressure suction force according to conditions of patients and accordingly a required negative pressure value is obtained. The negative-pressure micro-control portable drainage device is low in cost, disposable, safe, hygienic, small in size, convenient to carry, needless of a power supply and easy to operate, and drainage pressure limiting is reliable.
Description
Technical field
The present invention relates to a kind of disposable micro-control drain pressure limiting device.
Background technology
Clinically need drain after patient's knee joint or operation on hip joint, drain is made by the sepage in drain area, puss and come off
Slough can be timely, thoroughly draws external, suppresses bacterial multiplication, control traumatic infection, mitigates edema, reduces blood vessel and leads to
Permeability, increases wound surface blood supply, improves microcirculation, promotion organization growth, and drainage ball is in drain, and its amount of bleeding is with drainage ball
Negative pressure variation, patient amount of bleeding are difficult to control to, and drainage system need to be compact easy to carry, must have in drain
Effect adjusts the size of negative pressure pressure, needs disposable micro-control negative pressure drainage pressure limiting device.
The content of the invention
The present invention is employed the following technical solutions：
A kind of portable drainage device of negative pressure micro-control, including pressure regulation valve gap (1), pressure regulation arch membrane (2), pressure regulation core (3), negative pressure spring
(4), pressure regulation push-plate (5), pressure regulator valve point air-casing (6), seal spool set (7), pressure regulation fairlead (8), little O-ring pad (9), little O
Type circle (10), pressure adjusting roller (11), pressure regulation valve body (12), drain valve (13) decompression inflator stifled (14), check valve pearl (15), check valve
Pad (16), decompression piston disk (17), big O-ring (18), negative pressure return spring (19), decompression inflator (20), inflator sealing ring (21),
Air bleeding valve (22), sealing ring fixed cover (23), aerofluxuss valve pocket (24), negative pressure drainage vessel (25), decompression inflator push rod (26) discharge opeing
Pipe (27), draining switch overcoat (28), discharge opeing spanner (29), negative pressure drainage bottle cap (30), negative pressure gas adapter (31), flow-stopping clip
(32), flow sub (33), drainage tube (34), negative pressure indicate rod bush (35), negative pressure indicating arm (36), negative pressure spring (37),
Negative pressure observation capsule (38) composition；It is described it is characterized in that：Drainage bottle (25) droplet-shaped of the portable drainage device of negative pressure micro-control, and it is excellent
The bottle that choosing is made using transparent material such as transparent plastic or lucite, bottle are narrow semicircle bottle on semicircular arc-shaped with negative pressure bottle
It coincide with drainage bottle droplet-shaped, its drainage bottle there are two bottlenecks, on upper bottle cover, is furnished with negative pressure observation capsule (A), drainage bottle bottle with liquid-out
Mouth is equipped with draining switch group (B), has two bottlenecks in negative pressure bottle (39), and one of them is equipped with Manual negative pressure inflator (C), another
Bottleneck is equipped with negative pressure pressure regulation valve body (D), and the negative pressure after the pressure regulation of negative pressure pressure regulation valve body (D) institute is taken over (31) and born by negative pressure
Pressure drainage bottle connection；The portable drainage device pressure regulator valve G negative pressure suction inlet A of the negative pressure micro-control, by pressure regulation fairlead (8) by valve element
Sealing shroud (7) this to pressure regulator valve G centre bores, pressure regulation plunger tip (3) is housed on centre bore, pressure regulation plunger tip (3) is by negative pressure spring (4)
Support, and the circular cone valve head of pressure regulation plunger tip (3) is oriented to using pressure regulation fairlead (8), being oriented on pressure regulation plunger tip (3) there are four guide pillars
Coordinated pressure regulation fairlead (8) sealing, O-ring (26) pressure regulation fairlead (8) to be fixed on by O-ring pad (27) by O-ring (26), adjust
Pressure fairlead (8) is sealed by rubber pressure regulation arch membrane (2), and pressure regulation arch membrane (2) is solid with pressure regulation valve body (10) by pressure regulation valve gap (1)
It is fixed, pressure adjusting roller (9), negative pressure suction inlet B are equipped between pressure regulation valve body (10) and pressure regulation fairlead (8)；Negative pressure pressure regulation valve body
(D) bond with pressure regulation valve body (12) for pressure regulation valve gap (1), while blocking and fixing pressure regulation arch membrane (2), pressure regulation valve gap has on (1)
One circular hole (101) is communicated with air for pressure regulation arch membrane (2), and pressure regulation fairlead (8) is fixed on the side (201) of pressure regulation arch membrane (2)
(803) circle on, such bonding is into negative pressure chamber；Pressure regulation core (3), negative pressure spring (4), pressure regulation push-plate are sequentially arranged with negative pressure room
(5), pressure regulator valve point air-casing (6), seal spool set (7), little O-ring pad (10), little O-ring (11), they constitute internal pressure-regulating
Device；One negative pressure spring (4), conehead (301) and the seal spool set (7) of pressure regulation core (3) are housed under the pressure regulation core (3)
The sealing of conical nozzle (701) core retainer plate coordinates, and forms the function of valve；Seal spool set (7) is by pressure regulator valve point air-casing (6)
(602), in fixing groove, during pressure regulator valve point air-casing (6) is mounted in the interior end slot of pressure regulation fairlead (8) (805), such negative pressure chamber passes through
The conical nozzle (701) of seal spool set (7), the pipe (806) on Jing pressure regulation fairleads (8) are communicated with negative pressure holding bottle (39)；
And (601) via of pressure regulator valve point air-casing (6) takes over (31) Jing negative pressure by negative pressure by (802) on pressure regulation fairlead (8)
B pipes (3002) of bottle cover (30) is connected with negative pressure drainage vessel (25)；The further negative pressure micro-control portable drainage device
It is as follows that method used is implemented in pressure regulation：When being opened using the distance for adjusting negative pressure spring (4) and pressure regulation core (3), negative pressure makes pressure regulation
Arch membrane (2) caves inward, the thrust that pressure regulation arch membrane (2) depression is produced, and promotes pressure regulation core (3) and negative pressure spring (4), works as pressure regulation
When the conehead (301) of core (3) is closed with the conical nozzle (701) of seal spool set (7), a negative pressure value is obtained, at this moment only
Regulate spring distance and be achieved with required negative pressure；The voltage-regulation principle below：Pressure regulation is designed with negative pressure spring (4) to push away
Disk (5), pressure regulation push-plate (5) have a centre bore (501), and it can pass through (301) valve rod of pressure regulation core (3), and pressure regulation push-plate has on (5)
Four guide pillars (502), four guide pillars (502) withstand on pressure adjusting roller (9) through the circular hole of (801) on pressure regulation fairlead (8)
On, between (5) four guide pillars (502) in (801) on pressure regulation fairlead (8) and pressure regulation push-plate by little O-ring pad (9) with
Little O-ring (10) sealing, and utilize little O-ring (10), makes pressure regulation push-plate (5) promote, when pressure adjusting roller (9) are rotated due to
There is screw thread (901) on pressure adjusting roller (9), its screw thread (901) coordinates regulation spacing with the screw thread (804) on pressure regulation fairlead (8)；
Pressure regulation valve body (12) side has an opening (1201), for rotating exposing for teeth (902) of pressure adjusting roller (9), is suitable to tune manually
Section；It is more than the ultimate principle of negative pressure pressure regulation valve body (D)；Its feature decompression inflator push rod (26) of negative pressure inflator (C) and decompression gas
Equipped with fixed cover (24) and sealing ring (23) between cylinder (20)；Decompression piston disk is housed in the other end of decompression inflator push rod (26)
(17), big O-ring (18), and fixed inflator sealing ring (21) in decompression inflator (20), air bleeding valve (22)；Air bleeding valve (22)
Moulding quality of rubber materials as shown in the figure, disk connect the previous flat conehead of pipe, a seal in the middle part of which, it is allowed to which gas unidirectional flows out；By
In decompression inflator push rod (26) with decompression piston disk (17) in be equipped with negative pressure return spring (19), due to and on decompression piston disk (17)
Arc port, its big O-ring (18) here can by gas, the other end of decompression inflator (20) be furnished with check valve pearl (15),
Unidirectional valve pad (16) makes gas individual event flow, so that negative pressure bottle (39) obtains negative pressure；Negative pressure observation capsule (A) negative pressure observation capsule
(38) on bottle cover (30), bottle cover (30) C pipes insert negative pressure valve element (36), negative pressure valve element on its pipe
(36) through negative pressure spring (37) in negative pressure drainage bottle cap (30), negative pressure observation capsule (38) is enclosed within bottle cover to bottom thin bar
(30) A pipes, connect drain adapter (34), and flow sub (33) is housed in drain adapter (34) other end, are not use preservation negative
Pressure, is furnished with flow-stopping clip (32) in drain adapter (34), A pipes lower end is equipped with drain individual event valve (13)；The B pipes of bottle cover (30)
Connect negative pressure adapter (31)；Draining switch group (B), is connected on the pipe of draining switch overcoat (29) at (27) one end of discharging tube, switch
There is via on overcoat (29) for fixing axle on draining switch spanner (28)；Cover for switch (29) for a beveled mouth, which is used for
Guide channel during draining switch spanner (28) axle；On cover for switch (29), two semi arches of inwall are stupefied, can be with draining switch
The semi arch piece of spanner (28) coordinates, and can position discharging tube (27) extruding, it is ensured that negative pressure and drainage-fluid are retained or released.
Describing again has a circular hole (101) on pressure regulation valve gap (1)；The side (201) of pressure regulation arch membrane (2)；The conehead of pressure regulation core (3)
(301)；Pressure regulation push-plate (5) has a centre bore (501), has four guide pillars (502) in addition on pressure regulation push-plate (5)；Pressure regulator valve point gas
(602) fixing groove of set (6), (601) of pressure regulator valve point air-casing (6) are via；(801) on pressure regulation fairlead (8) are four
Counterbore connects circular arc and takes over hole, and (802) have a via in counterbore, (803) ring recess, and (804) are external screw thread, (805) the inner counterbore
Groove, (806) via barrel；There is screw thread (901) in rotation pressure adjusting roller (9), it is outer (902) with teeth in disk；Pressure regulation valve body (12) side
There is an opening (1201)；Air bleeding valve (22) moulding quality of rubber materials as shown in the figure, disk connect the previous flat conehead of pipe.
The invention has the advantages that：Manual negative pressure air pump provides negative pressure, negative pressure bottle and drainage bottle separate design, tool
There is adjustable negative pressure device, the function of the size of negative pressure pressure, with portable, without the need for power supply, simple to operate, drain are adjusted by the state of an illness
Pressure limiting reliability.
Description of the drawings
Schematic diagrams of the Fig. 1 for the embodiment of the present invention；
Exploded perspective views of the Fig. 2 for the embodiment of the present invention；
Explanatory diagrams of the Fig. 3 for the embodiment of the present invention；
Drainage bottle (25) and negative pressure bottle (39) explanatory diagram of the Fig. 4 for the embodiment of the present invention；
Negative pressure observation capsule (A) explanatory diagrams of the Fig. 5 for the embodiment of the present invention；
Draining switch group (B) figures of the Fig. 6 for the embodiment of the present invention；
Negative pressure bottle (39) Assembly Instruction Device figures of the Fig. 7 for the embodiment of the present invention；
Fig. 8 is schemed for the negative pressure pressure regulator valve body section M-M of the embodiment of the present invention；
Negative pressure inflator (C) explosive views of the Fig. 9 for the embodiment of the present invention；
Figure 10 is schemed for negative pressure inflator (C) the section D-D of the embodiment of the present invention.
Pressure regulation valve gap (1) figures of the Figure 11 for the embodiment of the present invention
Pressure regulation arch membrane (2) figures of the Figure 12 for the embodiment of the present invention
Pressure regulation core (3) figures of the Figure 13 for the embodiment of the present invention
Pressure regulation push-plate (5) figures of the Figure 14 for the embodiment of the present invention
Pressure regulator valve point air-casing (6) figures of the Figure 15 for the embodiment of the present invention
Pressure regulation fairlead (8) figures of the Figure 16 for the embodiment of the present invention
Pressure adjusting roller (9) figures of the Figure 17 for the embodiment of the present invention
Pressure regulation valve body (12) figures of the Figure 18 for the embodiment of the present invention
Air bleeding valve (22) figures of the Figure 19 for the embodiment of the present invention
【Figure number is to as directed】
1-pressure regulation valve gap；
101-pressure regulation valve gap circular hole；
2-pressure regulation arch membrane；
The side of 201-pressure regulation arch membrane；
3-pressure regulation core；
301-pressure regulation core valve rod；
4-negative pressure spring；
5-pressure regulation push-plate；
501-pressure regulation push-plate centre bore；
502-pressure regulation push-plate upper guide post；
6-pressure regulator valve point air-casing；
The via of 601-pressure regulator valve point air-casing；
The fixing groove of 602-pressure regulator valve point air-casing
7-seal spool set；
The conical nozzle of 701 seal spools set；
8-pressure regulation fairlead；
Guide pillar circular hole on 801-pressure regulation fairlead；
The adapter for drainage bottle (25) on 802-pressure regulation fairlead；
The circle of 803-pressure regulation fairlead；
Screw thread on 804-pressure regulation fairlead；
805-pressure regulation fairlead and negative pressure bottle (39) phase siphunculus；
9-pressure adjusting roller；
There is screw thread on 901-pressure adjusting roller；
Teeth on 902-pressure adjusting roller；
10-0 little O-ring pad；
11-little O-ring；
12-pressure regulation valve body；
There is an opening at 1201-pressure regulation valve body-side end；
13-drain individual event valve；
14-decompression inflator is blocked up；
15-check valve pearl；
16-unidirectional valve pad；
17-decompression piston disk；
18-big O-ring；
19-negative pressure return spring；
20-decompression inflator；
21-inflator sealing ring；
22-air bleeding valve；
23-sealing ring fixed cover；
24-aerofluxuss valve pocket；
25-drainage bottle；
Bottleneck on 2501-drainage bottle；
The bottle with liquid-out mouth of 2502-drainage bottle；
26-decompression inflator push rod；
27-discharging tube；
2701-discharge opeing pipe joint；
28-draining switch spanner；
2801-draining switch wrench shaft；
2802-draining switch wrench shaft；
29-draining switch overcoat；
2904-draining switch overcoat via；
30-bottle cover；
3001-A is managed；
3002-B is managed；
3003-C is managed；
31-negative pressure is taken over；
32-flow-stopping clip；
33-flow sub；
34-drain is taken over；
35-observation capsule-core sleeve pipe；
36-observation capsule-core；
3601-observation capsule-core thin bar；
37-spring；
38-negative pressure observes capsule；
39-negative pressure bottle；
3903-negative pressure inflator (C) position bottleneck；
3902-negative pressure pressure regulation valve body (D) is housed；
Specific embodiment
In order that those skilled in the art is better understood from this utility model scheme, below in conjunction with this utility model reality
Accompanying drawing in applying, carries out clear, complete description to the technical scheme that this utility model is implemented.
The portable drainage device blast diagram in embodiment of the present invention Fig. 1～10, wherein negative pressure micro-control includes：Pressure regulation valve gap
(1), pressure regulation arch membrane (2), pressure regulation core (3), negative pressure spring (4), pressure regulation push-plate (5), pressure regulator valve point air-casing (6), seal spool set
(7), pressure regulation fairlead (8), pressure adjusting roller (9), little O-ring (10) pad, little O-ring (11), pressure regulation valve body (12), drain list
Valve (13) decompression inflator stifled (14), check valve pearl (15), unidirectional valve pad (16), decompression piston disk (17), big O-ring (18),
Negative pressure return spring (19), decompression inflator (20), inflator sealing ring (21), air bleeding valve (22), sealing ring fixed cover (23), air bleeding valve
Set (24), drainage bottle (25), decompression inflator push rod (26), discharging tube (27), draining switch spanner (28), draining switch overcoat
(29), bottle cover (30), negative pressure adapter (31), flow-stopping clip (32), flow sub (33), drain adapter (34), observation capsule-core
Sleeve pipe (35), observation capsule-core (36), spring (37), negative pressure observation capsule (38), negative pressure bottle (39).
It is described to see Fig. 3,4,5：Drainage bottle (25) droplet-shaped of the portable drainage device of negative pressure micro-control, and preferably use transparent material
The material bottle that such as transparent plastic or lucite make, bottle are narrow semicircle bottle and drainage bottle water droplet on semicircular arc-shaped with negative pressure bottle
Type coincide, and its drainage bottle has two bottlenecks, is furnished with negative pressure observation capsule (A) on the bottle cap that upper bottleneck (2501) is assembled, and drainage bottle goes out
Liquid bottleneck (2502) has two bottlenecks equipped with draining switch group (B), another negative pressure bottle (39), and one of them is equipped with negative pressure inflator
(C) position (3903), another bottleneck (3902) is equipped with negative pressure pressure regulation valve body (D), the institute after the pressure regulation of negative pressure pressure regulation valve body (D) institute
The negative pressure of generation, is connected with negative pressure drainage vessel by negative pressure adapter (31).
Negative pressure observation capsule (A) negative pressure observation capsule (38) on bottle cover (30), under bottle cover (30) its
On C pipes (3003), negative pressure valve element (36), negative pressure valve element (36) bottom thin bar (3601) are inserted on its pipe through negative pressure spring
(37) in negative pressure drainage bottle cap (30), negative pressure observation capsule (38) is enclosed within bottle cover (30) A pipes (3003)；Bottle cover
(30) A pipes (3001) connects drain adapter (34), flow sub (33) is housed in drain adapter (34) other end, is not use
Negative pressure is preserved, in drain adapter (34), is furnished with flow-stopping clip (32), its A pipes (3001) lower end is equipped with drain individual event valve (13)；Drain
B pipes (3002) of bottle cap (30) connects negative pressure adapter (31).
Described draining switch group (B) Fig. 6, discharging tube (27) one end (2701) is connected on draining switch overcoat (29)
(2701), on pipe, there is via (2904) on cover for switch (29) for fixing axle (2801) on draining switch spanner (28)；Switch
(2901) of overcoat (29) are a beveled mouth, and which is used for guide channel during draining switch spanner (28) axle；Cover for switch (29)
(2902) of upper inwall are stupefied for two semi arches, can coordinate with (2802) semi arch piece of draining switch spanner (28), will can arrange
Liquid pipe (27) extruding positioning, it is ensured that negative pressure and drainage-fluid are retained or released.
Described Fig. 7 is the schematic diagram of negative pressure bottle (39) negative pressure inflator (C) and negative pressure pressure regulation valve body (D).
Its negative pressure pressure regulator valve principle is：Using the pressure regulation arch membrane (2) and pressure regulation fairlead (8) shape of plastic cement or elastoplast
Into sealed gas chamber, and pressure regulation fairlead (8) other end is designed with two breathers, wherein a pipe is furnished with pressure regulation core (3), negative pressure
Spring (4), makes pressure regulation arch membrane (2) deformation using negative pressure, promotes the switch of pressure regulation core (3) and seal spool set (7), and another pipe
It is connected with drainage bottle, when negative pressure spring (4) pressure size is adjusted, vacuum magnitude can be kept.
Fig. 8 negative pressure pressure regulator valve part includes：Negative pressure pressure regulator valve part has, pressure regulation valve gap (1), pressure regulation arch membrane (2), tune
Pressure core (3), negative pressure spring (4), pressure regulation push-plate (5), pressure regulator valve point air-casing (6), seal spool set (7), pressure regulation fairlead (8),
Pressure adjusting roller (9), little O-ring pad (10), little O-ring (11), pressure regulation valve body (12) composition.
It is described further with reference to Fig. 8 sections M-M：Pressure regulation valve gap (1) is bonded with pressure regulation valve body (12), while blocking and fixing
Pressure regulation arch membrane (2), has a circular hole (101) to communicate with air for pressure regulation arch membrane (2) on pressure regulation valve gap (1), pressure regulation arch membrane (2)
Side (201) is fixed on (803) circle of pressure regulation fairlead (8), and such bonding is into negative pressure chamber；Pressure regulation is sequentially arranged with negative pressure room
Core (3), negative pressure spring (4), pressure regulation push-plate (5), pressure regulator valve point air-casing (6), seal spool set (7), little O-ring pad (10), little O
Type circle (11), they constitute internal pressure-regulating device；One negative pressure spring (4), the cone of pressure regulation core (3) are housed under the pressure regulation core (3)
Head (301) is coordinated with conical nozzle (701) the core retainer plate sealing of seal spool set (7), forms the function of valve；Seal spool set
(7) by (602) fixing groove of pressure regulator valve point air-casing (6), it is inner that pressure regulator valve point air-casing (6) is mounted in pressure regulation fairlead (8) (805)
In in groove, conical nozzle (701) of such negative pressure chamber by seal spool set (7), the pipe (806) on Jing pressure regulation fairleads (8)
Communicate with negative pressure holding bottle (39)；And (601) via of pressure regulator valve point air-casing (6) is led to by (802) on pressure regulation fairlead (8)
B pipes (3002) for crossing negative pressure adapter (31) Jing negative pressure drainage bottle caps (30) is connected with negative pressure drainage vessel (25)；It is further described
It is as follows that method used is implemented in the pressure regulation of the portable drainage device of negative pressure micro-control：Using adjust negative pressure spring (4) and pressure regulation core (3) away from
Leave when opening, negative pressure makes pressure regulation arch membrane (2) cave inward, the thrust that pressure regulation arch membrane (2) depression is produced, promote pressure regulation core (3) and
Negative pressure spring (4), when the conehead (301) of pressure regulation core (3) is closed with the conical nozzle (701) of seal spool set (7), can obtain
To a negative pressure value, as long as at this moment regulating spring distance is achieved with required negative pressure；The voltage-regulation principle below：In negative pressure bullet
Pressure regulation push-plate (5) is designed with spring (4), pressure regulation push-plate (5) has a centre bore (501), it can pass through (301) of pressure regulation core (3)
Valve rod, has four guide pillars (502) on pressure regulation push-plate (5), four guide pillars (502) are through (801) on pressure regulation fairlead (8)
Circular hole, withstands on pressure adjusting roller (9), between (5) four guide pillars (502) in (801) on pressure regulation fairlead (8) and pressure regulation push-plate
Sealed with little O-ring (10) by little O-ring pad (9), and utilize little O-ring (10), pressure regulation push-plate (5) is promoted, when
Due to the screw thread having on pressure adjusting roller (9) on screw thread (901), its screw thread (901) and pressure regulation fairlead (8) during rotation pressure adjusting roller (9)
(804) coordinate and adjust spacing；There is an opening (1201) in pressure regulation valve body (12) side, for rotating the tooth (902) of pressure adjusting roller (9)
Expose, be suitable to manually regulation；It is more than the ultimate principle of negative pressure pressure regulation valve body (D).
Fig. 8-9-10, negative pressure inflator (C) are as follows：Including decompression inflator stifled (14), check valve pearl (15), unidirectional
Valve pad (16), decompression piston disk (17), big O-ring (18), negative pressure return spring (19), decompression inflator (20), inflator sealing ring
(21), air bleeding valve (22), sealing ring fixed cover (23), aerofluxuss valve pocket (24), decompression inflator push rod (26) combination.
The section D-D figures：Be equipped between decompression inflator push rod (26) and decompression inflator (20) fixed cover (24) with it is close
Seal (23)；When decompression inflator push rod (26) are drawn, as the other end of the inflator push rod (26) that reduces pressure is equipped with decompression piston disk
(17), big O-ring (18), the gas at this moment reducing pressure in inflator (20) are compressed and by inflator fixed on the inflator (20) that reduces pressure
Sealing ring (21), air bleeding valve (22) flow out；Air bleeding valve (22) moulding quality of rubber materials as shown in the figure, disk connect the previous flat cone of pipe
Head, a seal in the middle part of which, it is allowed to which gas unidirectional flows out；Due to being equipped with decompression inflator push rod (26) and decompression piston disk (17)
Negative pressure return spring (19), when decompression inflator push rod (26) are decontroled, due to negative pressure return spring (19) resilience so that decompression piston disk
(17) with big O-ring (18) return, and the arc port on decompression piston disk (17), its big O-ring (18) here can by gas,
Being furnished with check valve pearl (15), unidirectional valve pad (16) in the other end of decompression inflator (20) makes gas individual event flow, so that negative pressure
Bottle (39) obtains negative pressure.
Details described in part detail Figure 11-19：There is a circular hole (101) on Figure 11 pressure regulation valve gaps (1)；Figure 12 pressure regulation arch membranes
(2) side (201)；The conehead (301) of Figure 13 pressure regulation cores (3)；Figure 14 pressure regulation push-plates (5) has a centre bore (501), in addition pressure regulation
There are four guide pillars (502) on push-plate (5)；(602) fixing groove of Figure 15 pressure regulator valves point air-casing (6), pressure regulator valve point air-casing (6)
(601) it is via；(801) on Figure 16 pressure regulation fairleads (8) connect circular arc for four counterbores and take over hole, and (802) have in counterbore
One via, (803) ring recess, (804) are external screw thread, (805) the inner counterbore groove, (806) via barrel；Figure 17 rotations pressure adjusting roller (9)
On have screw thread (901), in disk outer (902) with teeth；Figure 18 pressure regulation valve body (12) sides have an opening (1201)；Figure 19 air bleeding valves
(22) moulding quality of rubber materials as shown in the figure, the previous flat conehead mouth (B) of pipe (A) on disk.
Combine accompanying drawing above to be described specific embodiment of the utility model, the details of other not specified (NS)s
In protection domain of the present utility model, any person of an ordinary skill in the technical field is done to which according to present inventive concept
Appropriate change or modification, all should be regarded as without departing from patent category of the present utility model.
Claims (5)
1. the portable drainage device of a kind of negative pressure micro-control, including pressure regulation valve gap (1), pressure regulation arch membrane (2), pressure regulation core (3), negative pressure spring
(4), pressure regulation push-plate (5), pressure regulator valve point air-casing (6), seal spool set (7), pressure regulation fairlead (8), pressure adjusting roller (9), little O-ring
Pad (10), little O-ring (11), pressure regulation valve body (12), drain individual event valve (13), decompression inflator stifled (14), check valve pearl (15), list
To valve pad (16), decompression piston disk (17), big O-ring (18), negative pressure return spring (19), decompression inflator (20), inflator sealing ring
(21), air bleeding valve (22), sealing ring fixed cover (23), aerofluxuss valve pocket (24), drainage bottle (25), decompression inflator push rod (26), row
Liquid pipe (27), draining switch spanner (28), draining switch overcoat (29), negative pressure drainage bottle cap (30), negative pressure adapter (31), fluid stopping
Folder (32), flow sub (33), drain adapter (34), negative pressure indicate rod bush (35), observe capsule-core (36), spring (37), bear
Pressure observation capsule (38), negative pressure bottle (39) composition；It is characterized in that：The drainage bottle (25) of the portable drainage device of negative pressure micro-control is water droplet
Type, the bottle made using transparent plastic or lucite, negative pressure bottle (39) are upper narrow semicircle bottle, the semicircle of negative pressure bottle (39)
Arcwall face is contacted with the arcwall face of drainage bottle (25) and is coincide, and drainage bottle (25) has two bottlenecks, and negative pressure drainage bottle cap is matched somebody with somebody on (30)
The bottle with liquid-out mouth for having negative pressure observation capsule (38), drainage bottle (25) is equipped with draining switch group, has two bottlenecks in negative pressure bottle (39), its
In one Manual negative pressure inflator is housed, another bottleneck is equipped with negative pressure pressure regulation valve body, negative Jing after the pressure regulation of negative pressure pressure regulation valve body institute
Pressure, takes over the negative pressure drainage bottle cap of (31) and drainage bottle (25) by negative pressure（30）On negative pressure suction inlet second pipe（3002）Even
Connect, make negative pressure enter drainage bottle（25）In, wherein the negative pressure suction inlet of the negative pressure pressure regulation valve body of the portable drainage device of the negative pressure micro-control,
The centre bore of negative pressure pressure regulation valve body is rerouted to by pressure regulation fairlead (8) and seal spool set (7)（501）, centre bore（501）On
Equipped with pressure regulation core (3), pressure regulation core (3) is supported by negative pressure spring (4), and the circle of pressure regulation core (3) is oriented to using pressure regulation fairlead (8)
Cone valve head, has four guide pillars to be sealed by little O-ring (11) on pressure regulation fairlead (8), little O-ring (11) is by little O-ring pad (10）
Pressure regulation fairlead (8) is fixed on, pressure regulation fairlead (8) is sealed by rubber pressure regulation arch membrane (2), and pressure regulation arch membrane (2) is by pressure regulation
Valve gap (1) is fixed with pressure regulation valve body (12), and pressure adjusting roller (9) is equipped between pressure regulation valve body (12) and pressure regulation fairlead (8).
2. the portable drainage device of negative pressure micro-control according to claim 1, it is characterised in that：Negative pressure pressure regulation valve body is pressure regulation valve gap
(1) bond with pressure regulation valve body (12), while blocking and fixing pressure regulation arch membrane (2), on pressure regulation valve gap (1), have a pressure regulation valve gap circular hole
(101) communicate with air for pressure regulation arch membrane (2), the circle of pressure regulation fairlead (8) is fixed on the side (201) of pressure regulation arch membrane (2)
(803) on, such bonding into negative pressure chamber, be sequentially arranged with negative pressure room pressure regulation core (3), negative pressure spring (4), pressure regulation push-plate (5),
Pressure regulator valve point air-casing (6), seal spool set (7), little O-ring pad (10), little O-ring (11), they constitute internal pressure-regulating device；
One negative pressure spring (4), pressure regulation core valve rod (301) and the seal spool set (7) of pressure regulation core (3) are housed under the pressure regulation core (3)
The sealing of conical nozzle (701) core retainer plate coordinates；Seal spool set (7) is fixed on fixing groove (602) groove of pressure regulator valve point air-casing (6)
In, during pressure regulator valve point air-casing (6) is mounted in the interior end slot of phase siphunculus (805) for making pressure regulation fairlead (8) be communicated with negative pressure bottle (39),
The conical nozzle (701) of seal spool set (7), by the pipe pressure regulation guide thimble on pressure regulation fairlead (8) and negative pressure bottle (39)
Communicate, the adapter (802) on the pressure regulator valve point air-casing via (601) and pressure regulation fairlead (8) of pressure regulator valve point air-casing (6) passes through
Second pipe (3002) in negative pressure adapter (31) Jing negative pressure drainage bottle caps (30) is connected with negative pressure drainage vessel (25)；The negative pressure
The pressure regulation method of the portable drainage device of micro-control is：When being opened using the distance for adjusting negative pressure spring (4) and pressure regulation core (3), negative pressure makes
Pressure regulation arch membrane (2) caves inward, the thrust that pressure regulation arch membrane (2) depression is produced, and promotes pressure regulation core (3) and negative pressure spring (4), when
When conehead pressure regulation core valve rod (301) of pressure regulation core (3) is closed with the conical nozzle (701) of seal spool set (7), one is obtained
Individual negative pressure value, as long as at this moment adjusting negative pressure spring (4) is achieved with required negative pressure, negative pressure pressure regulator valve with the distance of pressure regulation core (3)
The voltage-regulation principle of body is：Pressure regulation push-plate (5), pressure regulation push-plate are designed with negative pressure spring (4)（5）It is provided with a centre bore
(501), pressure regulation core valve rod (301) of pressure regulation core (3) has four guide pillars (502) through centre bore on pressure regulation push-plate (5), this four
Root guide pillar (502) is withstood in the card of pressure adjusting roller (9), pressure regulation through four guide pillar circular holes (801) on pressure regulation fairlead (8)
Guide pillar circular hole (801) on fairlead (8) passes through little O-ring pad (10) and little O-ring (11) with (5) four guide pillars of pressure regulation push-plate
Sealing, rotation pressure adjusting roller (9) are on pressure adjusting roller (9), have screw thread (901) to be oriented to external threading (804) to adjust with screw thread pressure regulation
Interval, has an opening (1201) in pressure regulation valve body (12) side, exposes teeth on pressure adjusting roller (902), manually adjustable.
3. the portable drainage device of negative pressure micro-control according to claim 1, it is characterised in that：The decompression inflator push rod of negative pressure inflator
(26) equipped with aerofluxuss valve pocket (24) and sealing ring fixed cover (23) and decompression inflator (20) between, in decompression inflator push rod (26)
The other end is equipped with decompression piston disk (17), big O-ring (18), and inflator sealing ring (21), row are fixed with decompression inflator (20)
Air valve (22)；Air bleeding valve (22) is quality of rubber materials, the flat conehead before its disk connecting circular tube；Due to reduce pressure inflator push rod (26) with
Being equipped with decompression piston disk (17) on negative pressure return spring (19), and decompression piston disk (17) has two arc notch, its big O-ring
(18) here can be by gas, and the other end of the inflator (20) that reduces pressure is furnished with check valve pearl (15) and unidirectional valve pad (16) makes gas list
Item flowing, so that negative pressure bottle (39) obtains negative pressure.
4. the portable drainage device of negative pressure micro-control according to claim 1, it is characterised in that：Negative pressure observation capsule (38) is installed in drawing
On the 3rd pipe (3003) on stream bottle cap (30), insertion observation capsule-core (36) on its pipe, observation capsule-core (36) bottom thin bar are worn
Spring (37) is crossed in negative pressure drainage bottle cap (30), the first pipe (3001) of bottle cover (30) connects drain adapter (34),
Drain adapter (34) other end is equipped with flow sub (33), is to preserve negative pressure when not in use, is only furnished with drain adapter (34)
Stream folder (32), bottle cover (30) first pipe lower end are equipped with drain individual event valve (13)；The second pipe (3002 of bottle cover (30)）
Connect negative pressure adapter (31).
5. the portable drainage device of negative pressure micro-control according to claim 1, it is characterised in that：Draining switch group, in discharging tube
(27) one ends are connected on the pipe of draining switch overcoat (29), have via and pull for fixing draining switch on draining switch overcoat (29)
Axle on handss (28)；Draining switch overcoat (29) for a beveled mouth, be the leading when axle of draining switch spanner (28) is moved
Approaching channel；On draining switch overcoat (29), two semi arches of inwall are stupefied, can match somebody with somebody with the semi arch piece of draining switch spanner (28)
Close, discharging tube (27) extruding can be positioned, it is ensured that negative pressure and drainage-fluid are retained or released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523927.3A CN104225693B (en) | 2014-10-09 | 2014-10-09 | Negative-pressure micro-control portable drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523927.3A CN104225693B (en) | 2014-10-09 | 2014-10-09 | Negative-pressure micro-control portable drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104225693A CN104225693A (en) | 2014-12-24 |
| CN104225693B true CN104225693B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410523927.3A Expired - Fee Related CN104225693B (en) | 2014-10-09 | 2014-10-09 | Negative-pressure micro-control portable drainage device |
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| Country | Link |
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| CN (1) | CN104225693B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922742B (en) * | 2015-07-03 | 2018-04-27 | 重庆医科大学附属第一医院 | Through sheath endoscopic stone extraction technique vacuum suction regulating device |
| CN109395178A (en) * | 2018-11-01 | 2019-03-01 | 威海柯西医疗科技有限公司 | A kind of multi-functional drainage system |
| CN109621034A (en) * | 2019-01-11 | 2019-04-16 | 挪度医疗器械（苏州）有限公司 | A kind of electric suction apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791138U (en) * | 2010-09-16 | 2011-04-13 | 上海科特医疗用品有限公司 | Recyclable type negative-pressure cylinder |
| CN202459462U (en) * | 2011-08-12 | 2012-10-03 | 陈长法 | Manually adjusting type negative pressure drainage device |
| CN103990188A (en) * | 2013-02-18 | 2014-08-20 | 苏晓静 | Cerebrospinal fluid drainage pressure limiter |
| CN204092670U (en) * | 2014-10-09 | 2015-01-14 | 周玉虹 | The portable drainage device of negative pressure micro-control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20020526A1 (en) * | 2002-03-12 | 2003-09-12 | Dideco Spa | VENOUS BLOOD TANK IN EXTRACORPOREAL CIRCUIT |
| US6770062B2 (en) * | 2002-08-07 | 2004-08-03 | Trinh D. Phung | Automatic high negative pressure relief valve and chest drainage units using same |
-
2014
- 2014-10-09 CN CN201410523927.3A patent/CN104225693B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791138U (en) * | 2010-09-16 | 2011-04-13 | 上海科特医疗用品有限公司 | Recyclable type negative-pressure cylinder |
| CN202459462U (en) * | 2011-08-12 | 2012-10-03 | 陈长法 | Manually adjusting type negative pressure drainage device |
| CN103990188A (en) * | 2013-02-18 | 2014-08-20 | 苏晓静 | Cerebrospinal fluid drainage pressure limiter |
| CN204092670U (en) * | 2014-10-09 | 2015-01-14 | 周玉虹 | The portable drainage device of negative pressure micro-control |
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| Publication number | Publication date |
|---|---|
| CN104225693A (en) | 2014-12-24 |
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Granted publication date: 20170419 Termination date: 20171009 |