CN204951918U - Aspirator and water conservancy diversion head thereof - Google Patents
Aspirator and water conservancy diversion head thereof Download PDFInfo
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- CN204951918U CN204951918U CN201520688468.4U CN201520688468U CN204951918U CN 204951918 U CN204951918 U CN 204951918U CN 201520688468 U CN201520688468 U CN 201520688468U CN 204951918 U CN204951918 U CN 204951918U
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- outer tube
- absorption
- flow guiding
- pipe
- guiding head
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Abstract
The application discloses the water conservancy diversion head, it includes: set up the absorption inner tube of inner tube suction port, the aperture area of inner tube suction port is less than the sectional area that adsorbs the inner tube, the cover is established the absorption outer tube that adsorbs the inner tube outside, the outer tube suction port has been seted up on the absorption outer tube, adsorb the outer tube with adsorb and to take place relative rotation between the inner tube, in order to realize the inner tube suction port for switch between the state of adjusting well and dislocation state the position of outer tube suction port. The utility model provides a water conservancy diversion head is compared with original honeycomb duct that needs to use the iron wire mediation, need not to use other instruments just can carry out the mediation operation of self to dredging efficiently, dredging effectually, easy operation is convenient, has reduced the time that the mediation operation occupy, makes operation time shortened, has reduced doctor's anxious state of mind, has promoted the operation quality. The utility model discloses an aspirator that has above -mentioned water conservancy diversion head is still provided.
Description
Technical field
This utility model relates to technical field of medical equipment, particularly a kind of flow guiding head, and this utility model also relates to a kind of suction pump with above-mentioned flow guiding head.
Background technology
At present, in surgical operation carries out, usually use suction pump by the sucking-off in time such as the blood in wound, bone residue and scrappy tissue, to avoid forming interference to the operation of doctor.The operation principle of suction pump makes to be in negative pressure state (common practices makes in flow guiding head having adsorption gas flow) in its flow guiding head, and the material outside flow guiding head will extrude by such atmospheric pressure in flow guiding head, thus realize attracting effect.
In the prior art, the flow guiding head of suction pump is a common mozzle, when suction pump works, adsorption gas flow can be produced in mozzle, the suction side of mozzle is extend in wound, blood in wound, bone residue and scrappy tissue etc. are understood under the absorption of adsorption gas flow, from the open-ended mozzle that enters into of suction side, and then by eliminatings such as the blood in wound, bone residue and scrappy tissues.Mozzle is provided with the regulating key that can regulate adsorption gas flow circulation area size, to realize the adjustment of flow guiding head to absorption affinity size, enables suction pump meet different absorption demands.
But; utility model people finds; in actual application; the mozzle of this kind of suction pump often can because having sucked bone residue or scrappy tissue and having resulted in blockage; make it cannot in normal work; once there occurs stopping state in operation is carried out, just need nurse's horse back iron wire to extend in mozzle to carry out to prick, the operation such as brill to dredge it, this dredging process used time is longer.And while dredging, probably again blood is overflowed in the wound of patient, cause the visual field of doctor fuzzy and operation technique cannot be carried out, therefore after doctor can only wait for flow guiding head dredging, again the blood in wound, bone residue and scrappy tissue etc. are siphoned away, just can proceed operation, this not only result in the prolongation of operating time, and the emotion of doctor can be had a strong impact on, make surgical quality decline.
Therefore, how avoiding because flow guiding head blocking has an impact to surgical quality, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, this utility model is intended to propose a kind of novel flow guiding head, and it is when being blocked by blood, bone residue and scrappy tissue etc., dredging can be realized convenient, efficiently, thus shorten operating time, reduce the fluctuation of doctor's emotion, improve surgical quality.This utility model additionally provides a kind of suction pump with above-mentioned flow guiding head.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of flow guiding head, it comprises:
Offer the interior pipe of absorption of interior pipe inlet hole, the aperture area of described interior pipe inlet hole is less than the sectional area of pipe in described absorption;
Be set in the absorption outer tube in described absorption outside pipe, described absorption outer tube offers outer tube inlet hole, can relatively rotate between pipe in described absorption outer tube and described absorption, switch between positive status and misaligned state relative to the position of described outer tube inlet hole to realize described interior pipe inlet hole.
Further, in above-mentioned flow guiding head, also comprise one end and connect described absorption outer tube, the other end is fixing relative to pipe in described absorption, to drive the torsion spring that in the described absorption after rotation, pipe or described absorption outer tube reset.
Further, in above-mentioned flow guiding head, described absorption outer tube comprises:
Be provided with the first outer tube of described outer tube inlet hole;
The second outer tube be connected with described first outer tube, described second outer tube is connected with pipe in described absorption by described torsion spring.
Further, in above-mentioned flow guiding head, in described absorption, the suction side of pipe and described absorption outer tube all has end wall, wherein:
Described interior pipe inlet hole comprises the inner tube hole on the end wall being opened in pipe in described absorption, and on the sidewall being opened in pipe in described absorption in pipe side opening;
Described outer tube inlet hole comprise be opened in described first outer tube end wall on, the outer tube stomidium that can align with described inner tube hole, and be opened on the sidewall of described first outer tube, the outer tube side opening that can align with described interior pipe side opening.
Further, in above-mentioned flow guiding head, described inner tube hole and described interior pipe side opening are multiple, and whole described inner tube holes is evenly distributed on the end wall of pipe in described absorption around the axis of pipe in described absorption, whole described interior pipe side openings is evenly distributed on the sidewall of pipe in described absorption around the axis of pipe in described absorption;
Described outer tube stomidium and described outer tube side opening are multiple, and whole described outer tube stomidiums is evenly distributed on the end wall of described first outer tube around the axis of described first outer tube, and whole described outer tube side openings is evenly distributed on the sidewall of described first outer tube around the axis of described first outer tube.
Further, in above-mentioned flow guiding head, described inner tube hole and described outer tube stomidium are scallop hole, and described interior pipe side opening and described outer tube side opening are slot.
Further, in above-mentioned flow guiding head, also comprise the sidewall through pipe in described second outer tube and described absorption, in order to drive the regulating key that in described absorption, pipe or described absorption outer tube make both rotate.
Further, in above-mentioned flow guiding head, described regulating key comprises:
Touch panel;
One end is connected with described touch panel, and the other end is through the sidewall of described second outer tube, and the connecting rod be connected with pipe in described absorption.
Further, in above-mentioned flow guiding head, described first outer tube and described second outer tube are removably connected by screw thread.
This utility model additionally provides a kind of suction pump, and it comprises flow guiding head and pump, and this flow guiding head is the flow guiding head described in above-mentioned any one.
The flow guiding head that this utility model provides, it comprises pipe and absorption outer tube in double-deck sheathed absorption.Wherein, the interior pipe of absorption offers interior pipe inlet hole, absorption outer tube offers outer tube inlet hole, and can rotate between the absorption outer tube be set in absorption outside pipe and the interior pipe of absorption.This flow guiding head operationally, interior pipe inlet hole and outer tube inlet hole is made to align conducting, flow guiding head under this kind of state is extend in the wound of patient, blood in wound, bone residue and scrappy tissue etc. are under suction function, successively through outer tube inlet hole and interior pipe inlet hole, and can derive from pipe in absorption.In the process, because the aperture area of interior pipe inlet hole is less than the sectional area of pipe in absorption, and blood, bone residue and scrappy tissue etc. are entering into the process of pipe in absorption, first contact with pipe suction inlet in pipe in absorption, so manage once block in absorption, block part is then the opening part of interior pipe inlet hole, now rotate the absorption outer tube be positioned at outside absorption pipe, along with the rotation of absorption outer tube, the relative position of outer tube inlet hole and interior pipe inlet hole then can change, namely the outer tube inlet hole aligned and interior pipe inlet hole can misplace gradually, both are in the process staggered, the edge of outer tube inlet hole and interior pipe inlet hole can be formed the tamper being blocked in interior pipe inlet hole opening part to be sheared, shearing force is applied to tamper, along with increase or the repeatedly shearing of rotation absorption outer tube realization to tamper repeatedly of shearing force, just can broken or mobile tamper, again the unimpeded of sorption channel is realized.The flow guiding head that this utility model provides, compared with original mozzle needing to use iron wire to dredge, without the need to the purge operation using other instruments just can carry out self, and it is high to dredge efficiency, dredge effective, simple and convenient, decrease the time that purge operation takies, make operating time be shortened, reduce the anxious state of mind of doctor, improve surgical quality.
The Dominant Facies that described suction pump and above-mentioned flow guiding head have relative to prior art is same, does not repeat them here.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The exploded view of the flow guiding head that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the installation diagram of flow guiding head;
Fig. 3 is the structural representation in inner tube hole;
Fig. 4 is the structural representation of outer tube stomidium.
In Figs. 1-4:
Interior pipe inlet hole 1, pipe 2 in absorption, absorption outer tube 3, outer tube inlet hole 4, torsion spring 5, regulating key 6;
Inner tube hole 11, interior pipe side opening 12, first outer tube 31, second outer tube 32, outer tube stomidium 41, outer tube side opening 42, touch panel 61, connecting rod 62.
Detailed description of the invention
This utility model is intended to propose a kind of novel flow guiding head, and it can realize dredging convenient, efficiently, thus shorten operating time when being blocked by blood, bone residue and scrappy tissue etc., decrease the anxious state of mind of doctor, improve surgical quality.
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
As Figure 1-Figure 4, the flow guiding head that this utility model embodiment provides, be with the main difference part of existing flow guiding head, it comprises two-layer sheathed pipeline, namely as blood, pipe 2 in the absorption of the derivation such as bone residue and scrappy tissue passage, and the absorption outer tube 3 be set in absorption outside pipe 2, the effect of this absorption outer tube 3 is by self rotation (in the present embodiment, the pipeline of concrete rotation is pipe 2 in absorption or absorption outer tube 3, be preferably absorption outer tube 3, in addition also can there is counter-rotation in both simultaneously), the shearing-crushing realized tamper is coordinated with pipe 2 in absorption.The rotation mode of absorption outer tube 3 carries out rotation around own axes or the common axis line when two pipelines are coaxially arranged around both.Concrete, in absorption, interior pipe inlet hole 1 offered by pipe 2, outer tube inlet hole 4 offered by absorption outer tube 3, when pipe 2 in absorption is at suction blood, when there is blocking in bone residue and scrappy tissue etc., then rotate absorption outer tube 3, make its outer tube inlet hole 4 originally aligned with interior pipe inlet hole 1 that position change occur, in the process that outer tube inlet hole 4 and interior pipe inlet hole 1 stagger, the tamper being blocked in interior pipe inlet hole 1 opening part will be subject to the opposing compression of the sidewall of outer tube inlet hole 4 opening part and the sidewall of interior pipe inlet hole 1 opening part, namely outer tube inlet hole 4 and interior pipe inlet hole 1 coordinate tamper formation shearing, when the shearing force once formed is enough large, or repeatedly rotate absorption outer tube 3 to make it coordinate with the interior pipe 2 of absorption repeatedly to shear tamper, just can realize the fragmentation to tamper or movement, thus pipe 2 in absorption is dredged.
The flow guiding head that the present embodiment provides, by what one deck mozzle is improved to bilayer sleeve, form is set, the purge operation that just can carry out self without the need to using other instruments is relatively rotated only by both, and it is high to dredge efficiency, dredge effective, simple and convenient, decrease the time that purge operation takies, make operating time be shortened, reduce the anxious state of mind of doctor, improve surgical quality.
After above-mentioned purge operation completes, need order absorption outer tube 3 to rotate go back to original position again, again make outer tube inlet hole 4 and interior pipe inlet hole 1 align, carry out smoothly to enable the operation of subsequent adsorbtion blood, bone residue and scrappy tissue.So in order to optimize technique scheme further, in the flow guiding head that the present embodiment provides, also comprising two ends and connecting pipe 2 and absorption outer tube 3 in absorption respectively, with the torsion spring 5 driving the absorption outer tube 3 after rotation to reset, as depicted in figs. 1 and 2.The setting of torsion spring 5, can make absorption outer tube 3 after rotation, can return to original position automatically, improve the automaticity of flow guiding head, simplify operating procedure, make the operation simple and fast more of flow guiding head, make its practicality be significantly improved.Certainly, also can not arrange torsion spring 5 in the present embodiment, in absorption, outer tube 3 is manual is more after rotation transferred back to original position, also job requirement can be met, but this kind is arranged and mode of operation, makes operating process comparatively loaded down with trivial details, and simple operation is not high yet, so not preferably.
Concrete, absorption outer tube 3 comprises: the first outer tube 31 being provided with outer tube inlet hole 4; The second outer tube 32, second outer tube 32 be connected with the first outer tube 31 is connected with pipe 2 in absorption by torsion spring 5, as shown in Figure 1.In the present embodiment, preferably absorption outer tube 3 is set to two sections that comprise the first outer tube 31 and the second outer tube 32, and makes outer tube inlet hole 4 be arranged on the first outer tube 31, one end of torsion spring 5 is connected with the second outer tube 32.Object is exactly the dismounting for the ease of adsorbing outer tube 3, facilitates later period maintenance.And, when different parts damages (such as outer tube inlet hole 4 is because repeatedly shearing and serious wear or the connecting portion damage etc. with torsion spring 5), corresponding first outer tube 31 or the second outer tube 32 can be changed for different damaged conditions, without the need to changing whole absorption outer tube 3, thus reduction maintenance cost, the operation easier simultaneously also can reduce maintenance, changing.
In original structure using common mozzle as flow guiding head, inlet hole is the open-ended of mozzle, this open-ended size is identical with the sectional area of mozzle, this inner chamber just causing open-ended cannot the stop tamper formation and make it directly enter into mozzle forms blocking, makes the blocking probability of mozzle higher.So, in order to avoid this problem, the present embodiment is preferred, and in order absorption, the suction side of pipe 2 and absorption outer tube 3 all has end wall, interior pipe inlet hole 1 comprise be opened in absorption in pipe 2 end wall on inner tube hole 11, and be opened in absorption in pipe 2 sidewall in pipe side opening 12; Outer tube inlet hole 4 comprise be opened in the first outer tube 31 end wall on, the outer tube stomidium 41 that can align with inner tube hole 11, and be opened on the sidewall of the first outer tube 31, the outer tube side opening 42 that can align with interior pipe side opening 12, as Figure 1-Figure 4.
End wall is set, end wall can be made to stop the larger bone residue of volume and scrappy organization formation, thus reduce blocking probability to a certain extent.In addition, the aperture area being opened in inner tube hole 11 on end wall and outer tube stomidium 41 can not be greater than the area of end wall, enable the opening part in bone residue and the minimum inner tube hole 11 of scrappy tissue clamping stagnation conducting area on guiding path, thus make inner tube hole 11 and outer tube stomidium 41 can coordinate the tamper sheared and be positioned at this position.In the present embodiment, inner tube hole 11, interior pipe side opening 12 and outer tube stomidium 41 corresponding with it and outer tube side opening 42 are preferably set, that flow guiding head in order to enable the present embodiment provide is applicable to different wounds, select pipe inlet hole 1 and outer tube inlet hole 4 in applicable position to adsorb blood, bone residue and scrappy tissue etc. for different wounds, improve the versatility of flow guiding head.Certainly, in concrete production, also can manufacture special flow guiding head for special wound, such as, be applicable to the flow guiding head only with inner tube hole 11 and outer tube stomidium 41 of bone surgery, or be applicable to the flow guiding head only with interior pipe side opening 12 and outer tube side opening 42 of other operations.In addition, can also in the present embodiment provides pipe side opening 12 and outer tube side opening 42 on-hand quantity basis on, (the same multiple interior pipe side opening 12 being circumferentially distributed in pipe 2 in absorption is called one group to increase pipe side opening 12 and outer tube side opening 42 in one to two groups, same, be distributed in same multiple outer tube side openings 42 circumferentially of absorption outer tube 3 also referred to as one group), to meet the user demand of dissimilar operation further, such as, in the demand etc. that the absorption demand of bone surface, general surgery adsorb in wound surface diffusivity in bone surgery.
In the flow guiding head that the present embodiment provides, inner tube hole 11 and interior pipe side opening 12 are multiple, and whole inner tube holes 11 is evenly distributed on the end wall of pipe 2 in absorption around the axis of pipe 2 in absorption, whole interior pipe side openings 12 is evenly distributed on the sidewall of pipe 2 in absorption around the axis of pipe 2 in absorption; Outer tube stomidium 41 and outer tube side opening 42 are multiple, and whole outer tube stomidiums 41 is evenly distributed on the end wall of the first outer tube 31 around the axis of the first outer tube 31, whole outer tube side openings 42 is evenly distributed on the sidewall of the first outer tube 31 around the axis of the first outer tube 31, as shown in Figure 1.This kind of distribution mode is the preferred set-up mode of the present embodiment, because each hole is uniformly distributed, so this kind of flow guiding head is being put in wound, can adsorbing blood, bone residue and scrappy tissue etc. uniformly, thus can improve adsorption effect.And no matter flow guiding head is put in wound with which kind of angle, all have interior pipe inlet hole 1 contact with blood, bone residue and scrappy tissue etc. with outer tube inlet hole 4 and play adsorption, without the need to deliberately adjusting its angle stretching in wound, thus reduce the difficulty of adsorption operations.
As shown in Figure 3 and Figure 4, the preferred inner tube hole 11 of the present embodiment and outer tube stomidium 41 are scallop hole or triangle, and interior pipe side opening 12 and outer tube side opening 42 are slot.The selection of above-mentioned shape, can farthest improve adsorption effect and simple operation, is preferred arrangement.Certainly, under the prerequisite not affecting normal work, interior pipe inlet hole 1 and outer tube inlet hole 4 also can be other shape, such as square etc.
In the present embodiment, also comprise the sidewall through pipe 2 in the second outer tube 32 and absorption, in order to the one in pipe 2 in drive absorption and absorption outer tube 3 relative to the regulating key 6 making one rotate.Concrete, this regulating key 6 comprises: touch panel 61; One end is connected with touch panel 61, and the other end is through the sidewall of the second outer tube 32, and the connecting rod 62 be connected with pipe 2 in absorption.Operationally, need to relatively rotate between pipe 2 and absorption outer tube 3 in order absorption, namely one wherein needs to be driven in rotation, drive the mode rotated can have multiple, such as arranging driving device (such as motor etc.) drives pipe 2 or absorption outer tube 3 in absorption to rotate, but in order to make its structure more simple, hand-held is convenient, the present embodiment preferably adopts the mode of manual actuation to rotate to make pipe 2 or absorption outer tube 3 in absorption, therefore arranges regulating key 6.Preferably, regulating key 6 is arranged on the interior pipe 2 of absorption, and pass the sidewall of the second outer tube 32, when needs to make in absorption pipe 2 and absorption outer tube 3 relatively rotates, doctor or nurse's finger contact with touch panel 61, and promote touch panel 61 and rotate, in the connecting rod 62 be fixedly connected with touch panel 61 drives and adsorbs, pipe 2 rotates relative to adsorb outer tube 3, thus the shearing of realization to tamper.
Further, in the present embodiment, the first outer tube 31 and the second outer tube 32 realize removably connecting preferably by screw thread, as depicted in figs. 1 and 2.The first outer tube 31 and the second outer tube 32 is made to removably connect, its objective is the maintenance for the ease of the later stage, and the mode be threaded, its syndeton (female thread and external screw thread) difficulty of processing is low, and install, disassembling section is convenient, so it can be used as preferred structure.Certainly, when meeting job requirement, the first outer tube 31 and the second outer tube 32 can also realize removably connecting by other structures, such as, make the first outer tube 31 and the second outer tube 32 clamping etc. by buckle and draw-in groove.
Based on the flow guiding head provided in above-described embodiment, this utility model embodiment still provides a kind of suction pump, and it comprises flow guiding head and pump, and this flow guiding head is specially the flow guiding head provided in above-described embodiment.
Because above-mentioned suction pump have employed the flow guiding head that above-described embodiment provides, so the beneficial effect that this kind of suction pump is brought by flow guiding head please refer to corresponding part in above-described embodiment, do not repeat them here.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment remaining identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a flow guiding head, is characterized in that, comprising:
Offer the interior pipe (2) of absorption of interior pipe inlet hole (1), the aperture area of described interior pipe inlet hole (1) is less than the sectional area of pipe (2) in described absorption;
Be set in the absorption outer tube (3) in pipe (2) outside in described absorption, described absorption outer tube (3) offers outer tube inlet hole (4), manage between (2) and can relatively rotate in described absorption outer tube (3) and described absorption, switching between positive status and misaligned state relative to the position of described outer tube inlet hole (4) to realize described interior pipe inlet hole (1).
2. flow guiding head according to claim 1, it is characterized in that, also comprise one end and connect described absorption outer tube (3), the other end is fixed relative to managing (2) in described absorption, to drive the torsion spring (5) that in the described absorption after rotation, pipe (2) or described absorption outer tube (3) reset.
3. flow guiding head according to claim 2, is characterized in that, described absorption outer tube (3) comprising:
Be provided with first outer tube (31) of described outer tube inlet hole (4);
The second outer tube (32) be connected with described first outer tube (21), described second outer tube (32) is connected by managing (2) in described torsion spring (5) and described absorption.
4. flow guiding head according to claim 3, is characterized in that, in described absorption, the suction side of pipe (2) and described absorption outer tube (3) all has end wall, wherein:
Described interior pipe inlet hole (1) comprises the inner tube hole (11) on the end wall being opened in pipe (2) in described absorption, and is opened in the interior pipe side opening (12) on the sidewall of managing (2) in described absorption;
Described outer tube inlet hole (4) comprise be opened in described first outer tube (31) end wall on, the outer tube stomidium (41) that can align with described inner tube hole (11), and be opened on the sidewall of described first outer tube (31), the outer tube side opening (42) that can align with described interior pipe side opening (12).
5. flow guiding head according to claim 4, is characterized in that:
Described inner tube hole (11) and described interior pipe side opening (12) are multiple, and the axis that whole described inner tube holes (11) manages (2) in described absorption is evenly distributed on the end wall of pipe (2) in described absorption, the axis that whole described interior pipe side openings (12) manages (2) in described absorption is evenly distributed on the sidewall of pipe (2) in described absorption;
Described outer tube stomidium (41) and described outer tube side opening (42) are multiple, and whole described outer tube stomidiums (41) is evenly distributed on the end wall of described first outer tube (31) around the axis of described first outer tube (31), and whole described outer tube side openings (42) is evenly distributed on the sidewall of described first outer tube (31) around the axis of described first outer tube (31).
6. flow guiding head according to claim 4, it is characterized in that, described inner tube hole (11) and described outer tube stomidium (41) are scallop hole, and described interior pipe side opening (12) and described outer tube side opening (42) are slot.
7. flow guiding head according to claim 3, it is characterized in that, also comprise the sidewall through pipe (2) in described second outer tube (32) and described absorption, in order to drive the regulating key (6) that in described absorption, pipe (2) or described absorption outer tube (3) make both rotate.
8. flow guiding head according to claim 7, is characterized in that, described regulating key (6) comprising:
Touch panel (61);
One end is connected with described touch panel (61), the other end through the sidewall of described second outer tube (32), and with the connecting rod (62) of managing (2) in described absorption and being connected.
9. according to the flow guiding head in claim 3-8 described in any one, it is characterized in that, described first outer tube (31) and described second outer tube (32) are removably connected by screw thread.
10. a suction pump, comprises flow guiding head and pump, it is characterized in that, described flow guiding head is for as the flow guiding head in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688468.4U CN204951918U (en) | 2015-09-07 | 2015-09-07 | Aspirator and water conservancy diversion head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688468.4U CN204951918U (en) | 2015-09-07 | 2015-09-07 | Aspirator and water conservancy diversion head thereof |
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| Publication Number | Publication Date |
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| CN204951918U true CN204951918U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688468.4U Expired - Fee Related CN204951918U (en) | 2015-09-07 | 2015-09-07 | Aspirator and water conservancy diversion head thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169548A (en) * | 2015-09-07 | 2015-12-23 | 王敏 | Suction device and diversion head thereof |
| CN107773792A (en) * | 2016-08-31 | 2018-03-09 | 重庆润泽医药有限公司 | A kind of brainpan operative drainage device |
-
2015
- 2015-09-07 CN CN201520688468.4U patent/CN204951918U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169548A (en) * | 2015-09-07 | 2015-12-23 | 王敏 | Suction device and diversion head thereof |
| CN107773792A (en) * | 2016-08-31 | 2018-03-09 | 重庆润泽医药有限公司 | A kind of brainpan operative drainage device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |