CN202682554U - Negative pressure control valve and negative pressure drainage bottle - Google Patents
Negative pressure control valve and negative pressure drainage bottle Download PDFInfo
- Publication number
- CN202682554U CN202682554U CN 201220278832 CN201220278832U CN202682554U CN 202682554 U CN202682554 U CN 202682554U CN 201220278832 CN201220278832 CN 201220278832 CN 201220278832 U CN201220278832 U CN 201220278832U CN 202682554 U CN202682554 U CN 202682554U
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- negative pressure
- drainage
- bottle
- valve
- valve seat
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Abstract
The utility model discloses a negative pressure control valve and a negative pressure drainage bottle. The negative pressure control valve comprises a valve core and a valve base, wherein the longitudinal section of the valve core is conical, trapezoidal or circular; a recess which is matched with the valve core is arranged on the valve base; a bulge loop is arranged on the upper part of the valve core; a groove is formed at the corresponding position on the valve base and is locked with the bulge loop which is arranged on the valve core; the valve core is twisted around the groove; a through hole is formed in each of the valve core and the valve base; the flow rate of guided flow depends on the overlapped area of the two through holes; and the through hole of the valve base is communicated with a connecting pipe of the valve base. The negative pressure drainage bottle which adopts the negative pressure control valve comprises a drainage bottle, the negative pressure control valve and a drainage tube, wherein the drainage tube is connected with the negative pressure control valve and is connected to the drainage bottle; and the drainage bottle is a vacuumized negative pressure bottle.
Description
Technical field
This utility model relates to a kind of negative pressure control valve and negative pressure drainage vessel for surgical wound or body cavity sepage drain.
Background technology
Prior art has had multiple open source information, provided the negative pressure drainage device of surgical wound or body cavity sepage drain, a kind of depression drainage device is disclosed such as CN201110321672.9, comprise cylinder barrel, drainage tube, piston plate, piston rod and support, piston plate is divided into cavity of resorption and epicoele with inner cavity of cylinder, epicoele communicates with atmosphere, and the cavity of resorption bottom is connected with dismountable device for storing liquid; The leakage fluid dram of drainage tube communicates with cavity of resorption, is provided with valve on the drainage tube; Be provided with the passage that is communicated with epicoele and cavity of resorption on the described piston plate.
And for example CN200810201353 is involved in the drainage tube of surgical wound or body cavity sepage drain.The toughness porous gap material of one deck is set outside the conduction hole of Drainage Section, and the area of mushy material layer is greater than the area of section of conduction hole.In the negative pressure drainage process, can not enter conduction hole under the local obstruct that is organized in mushy material, avoided conduction hole to block and possible local tissue damage; The accessible zone of negative pressure enlarges, and negative pressure distributes more even.The depression drainage device that CN200920018638.2 relates to is comprised of container, depressimeter.Draining hole, pump orifice, depressimeter interface are arranged on the container with scale, the depressimeter interface connects depressimeter, the spring that piston is arranged in the depressimeter and be attached thereto, piston position shows vacuum magnitude, the negative pressure of depressimeter forms with the spring that links to each other with piston by the sealing tube chamber of piston below, and pump orifice connects switch.The CN03210241.0 negative pressure drainage vessel relates to after a kind of operation body inner product liquid drainage negative pressure drainage vessel out.Existing drainage bottle exists negative pressure limited, the defective such as easily backflow.Comprise bottle and the drainage catheter that is communicated with bottle intracavity, the inner chamber of described bottle is communicated with a negative pressure ball by connection tube.Other, the upper setting in drainage device enclosed type bottle top is connected as a single entity and leads to bottle interior drainage tube and a negative tube, is equipped with respectively detachable pipe close, and bottle indicates the volume scale, and drainage bottle outer wall top connects hanging tag of being convenient to hang.
The depression drainage device that CN201120160311 relates to, belong to technical field of medical instruments, its structure comprises drainage bottle, bottle cap, drainage tube, solid content filter bag, drainage bottle is connected with the bottle cap thread seal, the sealing cross-under has drainage tube on the bottle cap, drainage tube one end is arranged on outside the bottle, and the other end probes into to bottle and with solid content filter bag bag mouth and is connected, and the drainage bottle bottom is communicated with negative tube.
CN200810123626.6 discloses the negative pressure drainage method that a kind of surgical operation is used, it may further comprise the steps: at first make in the negative pressure drainage container (7) and be in negative pressure state carrying out aerofluxus in the negative pressure drainage container (7) by exhaust apparatus, then exhaust apparatus is removed, made negative pressure drainage container (7) be in the negative pressure state of sealing; With the height adjustment of draining hole (1) to being higher than the negative pressure drainage container.Also have the report negative pressure for-40MMHG to-200MMHG, be suitable for treating the drain of skin burn etc.
The utility model content
This utility model purpose is: a kind of negative pressure control valve and disposable negative pressure drainage vessel are proposed, and simple and reliable and provide negative pressure and drainage container integrated, and higher negative pressure is provided, have regulatory function.
The technical solution of the utility model is: a kind of negative pressure control valve, it is characterized in that comprising spool and valve seat, the longitudinal section of spool is taper, trapezoidal or circular, valve seat is provided with the dimple of spool Matching installation, spool top is provided with bulge loop, the relevant position is provided with groove and spool and is provided with the bulge loop locking on the valve seat, spool is twisted around groove, be provided with through hole at spool and valve seat, the coincidence area of two through holes determines the flow of water conservancy diversion, through hole is communicated with the valve seat connection tube on the valve seat, and can the sealing of valve be guaranteed to some extent by the vacuum grease application.
Use the negative pressure drainage vessel of described negative pressure control valve, comprise drainage bottle, negative pressure control valve and drainage tube, drainage tube connects negative pressure control valve and is connected to drainage bottle, and drainage bottle is the negative pressure bottle of evacuation.
Can be a separate part with drainage tube end and puncture needle, the drainage tube end connects a rhizoma sparganic puncture needle.
The bottle cap of drainage bottle is provided with another and goes out pipe.
Bottom at drainage bottle is communicated with liquid discharging tube, and the liquid discharging tube end is provided with the tapping switch.
Valve seat connection tube external diameter is identical with the drainage tube internal diameter, the tight fit assembling, and the connection tube overcoat has fastening apron.
The drainage tube end is that the Drainage Section of conduction hole is provided with even pore, and is provided with some holes at a semi-cylindrical of tubing string face.
Negative pressure control valve is above-mentioned negative pressure control valve (comprise that valve seat and sphere or taper valve core consist of, valve seat adopts the polymer preparation, and spool also adopts polymer preparation (such as rubber or PU material etc.) preparation).Can be provided with the pipe that of another (or band valve) on the bottle cap of drainage bottle, can be used for connecing negative pressure-pumping equipment.Negative pressure drainage vessel is drainage bottle (evacuation), negative pressure control valve finger pressure power switch and flow control valve, drainage tube and the puncture needle of putting in advance negative pressure.
Drainage tube is connected with puncture needle and (goes out skin from subcutaneous puncture, simple and fast, wound is little, good leak tightness, and scar after the operation is slight), drainage tube connects drainage bottle (can change the different thicknesses drainage tube) by connection tube, and a switch valve is arranged on the connection tube, switch valve is the single-arm rotating structure, adjustable negative pressure inspiration capacity (seeing figure).
This utility model beneficial effect is: proposed the negative pressure drainage vessel that a kind of negative pressure control valve and (can be disposable) be used this valve, structure is simple and clear, use reliable, provide negative pressure and drainage container integrated, by and higher negative pressure is provided, have the function of regulating the negative inspiratory pressure amount, because pipe valve structure is simple and clear, cost is low and sealing is reliable, the time of maintenance negative pressure reliable and of the present utility model long (shelf life is long) during use.According to the otch situation, can select the drainage tube of different thicknesses simultaneously.Negative pressure can be (1MMHG to 750MMHG), and applicable scope is wide, can be used for the drain of various subcutaneous, muscle, deep operation otch, such as the drain of the operations such as mammary gland, thyroid, wound, groin etc.When using this device drain sepage, utilize simultaneously its high negative pressure, with the mutually absorption of surgical wound surface tissue, reach hemostasis, accelerate the wound healing purpose.
Description of drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is valve arrangement schematic diagram of the present utility model;
Fig. 3 is the structural representation of puncture needle and drainage tube end;
Fig. 4 is the connecting pipe structure schematic diagram.
The specific embodiment
With reference to the accompanying drawings, the conduit 1-1 of drainage tube 1, valve seat, valve seat 2, valve seat guide hole 3, spool guide hole 4, spool bulge loop 5, valve seat groove 6, spool 7.Valve 8, drainage tube end 9, drainage bottle 10, drainage bottle extension tube attached 11, puncture needle 12, connection tube 13, fastening apron 14.Valve comprises valve seat 2, spool 7, valve seat is provided with valve seat guide hole 3 and valve seat groove 6, spool is provided with spool guide hole 4, spool bulge loop 5, conduit 1(drainage tube) is connected with valve seat guide hole 3, drain pipe end 9 is used for wound drainage, and the pipe valve spool rotates in valve seat, can carry out drain and regulate, regulate drainage tube and receive the interior flow of drainage bottle, the evacuation of drainage bottle in the time of also can being used for the control manufacturing.Can be provided with in addition another drainage bottle extension tube attached 11 on the bottle cap of drainage bottle, can or apply the functions such as pipe negative pressure of hospital by negative pressure condition in its display bottle.
Negative pressure control valve is to be made of valve seat 2 and two injection-moulded plastic parts of spool in fact, can be coated with vacuum grease at sealing surface, simple in structure and reliable operation before the installation locking.Valve seat is provided with bulge loop and spool is provided with the rotatable locking piece that groove is done a pair of coupling.
The valve seat spool is concavo-convex coupling, the cross section of spool is trapezoidal or circular (corresponding round platform or ball valve core), valve seat groove 6 is locking pieces with spool bulge loop 5, spool is provided with spool guide hole 4 and overlaps the flow that area determines water conservancy diversion with valve seat through-hole (guide hole), and can the sealing of valve be guaranteed to some extent by the vacuum grease application.Taper shape also can.
Valve 8 is the drain adjusting device, regulates drainage tube and receives the interior flow of drainage bottle, also can be used for controlling the evacuation of drainage bottle when making.Drainage bottle is the negative pressure bottle of evacuation.Valve seat adopts the polymer preparation, and spool adopts rubber or the preparation of PU material.Also by being provided with a rubber sacculus (not shown), can point out a bottle interior negative pressure condition on the bottle cap of drainage bottle.
Referring to Fig. 3-4, drainage tube end 9 can be a separate part with puncture needle 12, and the drainage tube end connects a sharp puncture needle, passes from subcutaneous when being used for operation, then cuts off tail end, and drainage tube is connected with connection tube 13.Compare traditional placement methods, wound is little and sealing is tight.Puncture needle is three edged needle.Connection tube 13 is that two ends are the connection tube that connecting hole is all arranged, and drainage tube 1 all can be rabbeted in two ends---connection tube 13 internal diameters are identical with the drainage tube external diameter, and assemble with tight fit, connection tube has a fastening apron 14 outward, after connecting drainage tube, push apron, with abundant sealing.Connection tube 13 internal diameters have two kinds of specifications among the figure.Conduit 1-1 structure on the valve seat can similar connection tube 13 structures.
Drainage tube both can be single structure, also can have multiple different specification (8F, 14F, 18F), and the end is that the Drainage Section of drainage tube can be provided with even pore (distribution that is provided with some holes of tubing string face), with the material of the materials such as silicone rubber.
Drainage bottle is the negative pressure bottle of evacuation, and valve seat adopts the polymer preparation, and spool also adopts polymeric material (comprising rubber or PU material) preparation, and the two has certain elasticity valve seat and spool.Can be provided with the pipe that of another band valve (or band check valve) on the bottle cap of drainage bottle, can be used for connecing negative pressure-pumping equipment.The valve seat external diameter of pipe valve is identical with the drainage tube internal diameter, and with the tight fit assembling, the valve seat of pipe valve also can connect drainage tube by fluid sealant again.Connection tube and install valvular position and adopt and have certain thickness pipeline as adopting the materials preparations such as nylon, PU, is kept negative pressure reliable, and is simple in structure.
Negative pressure bottle is by having certain elasticity and making for medium-hard macromolecular material, can adopt PET, PP or other high polymer material, can be the volume of 200-800mL, the drainage tube end can be a separate part (a soft intubate and puncture needle), namely place the Drainage Section with conduction hole in surgical wound or body cavity sepage drain tissue regions drain zone, and connection is positioned at the Connectivity Section drainage tube that the drain zone is used for being communicated with negative pressure line in addition.Be stamped seal cover on the drainage bottle bottleneck, cover and lead to connection tube and other and be provided with a rubber sacculus that shows negative pressure.
Claims (6)
1. negative pressure control valve, it is characterized in that comprising spool and valve seat, the longitudinal section of spool is taper, trapezoidal or circular, valve seat is provided with the dimple of spool Matching installation, and spool top is provided with bulge loop, and the relevant position is provided with groove and spool and is provided with the bulge loop locking on the valve seat, spool is twisted around groove, be provided with through hole at spool and valve seat, the coincidence area of two through holes determines the flow of water conservancy diversion, and through hole is communicated with the valve seat connection tube on the valve seat.
2. application rights requires the negative pressure drainage vessel of 1 described negative pressure control valve, it is characterized in that comprising drainage bottle, negative pressure control valve and drainage tube, and drainage tube connects negative pressure control valve and is connected to drainage bottle, and drainage bottle is the negative pressure bottle of evacuation.
3. negative pressure drainage vessel according to claim 2, the bottle cap that it is characterized in that drainage bottle is provided with another and goes out pipe.
4. negative pressure drainage vessel according to claim 2 is characterized in that being communicated with liquid discharging tube in the bottom of drainage bottle, and the liquid discharging tube end is provided with the tapping switch.
5. negative pressure drainage vessel according to claim 2 is characterized in that and the tight fit assembling identical with the drainage tube internal diameter of valve seat connection tube external diameter, and valve seat connection tube overcoat has fastening apron.
6. negative pressure drainage vessel according to claim 2 is characterized in that the drainage tube end is provided with even pore, and is provided with some holes at a semi-cylindrical of drainage tube end pipe cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278832 CN202682554U (en) | 2012-06-14 | 2012-06-14 | Negative pressure control valve and negative pressure drainage bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278832 CN202682554U (en) | 2012-06-14 | 2012-06-14 | Negative pressure control valve and negative pressure drainage bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202682554U true CN202682554U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220278832 Expired - Fee Related CN202682554U (en) | 2012-06-14 | 2012-06-14 | Negative pressure control valve and negative pressure drainage bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202682554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698359A (en) * | 2012-06-14 | 2012-10-03 | 南京飞恰科贸有限公司 | Negative-pressure control valve and negative-pressure drainage bottle |
| CN112804951A (en) * | 2018-10-09 | 2021-05-14 | 艾斯皮维克斯股份有限公司 | Gynecological device |
-
2012
- 2012-06-14 CN CN 201220278832 patent/CN202682554U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698359A (en) * | 2012-06-14 | 2012-10-03 | 南京飞恰科贸有限公司 | Negative-pressure control valve and negative-pressure drainage bottle |
| CN112804951A (en) * | 2018-10-09 | 2021-05-14 | 艾斯皮维克斯股份有限公司 | Gynecological device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |