CN105797223A - Aspirator - Google Patents
Aspirator Download PDFInfo
- Publication number
- CN105797223A CN105797223A CN201610320471.XA CN201610320471A CN105797223A CN 105797223 A CN105797223 A CN 105797223A CN 201610320471 A CN201610320471 A CN 201610320471A CN 105797223 A CN105797223 A CN 105797223A
- Authority
- CN
- China
- Prior art keywords
- transposition
- fin
- aspirator
- spacing
- limited block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/77—Suction-irrigation systems
- A61M1/774—Handpieces specially adapted for providing suction as well as irrigation, either simultaneously or independently
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
-
- 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
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/073—Syringe, piston type
Abstract
The invention provides an aspirator. The aspirator comprises: a cannula, wherein a joint is formed in one end of the cannula, an insertion groove is formed in a sidewall of the other end, an axially run-through aspiration passage is formed in the cannula and the insertion groove is communicated with the aspiration passage; a limiting block located in the insertion groove, wherein the limiting block has a limiting groove; an aspiration handle capable of being slidably and hermetically inserted into the aspiration passage, wherein the aspiration handle has an axially arrangement limiting rib, a plurality of fastening grooves are formed on an outer edge of the limiting rib in a spaced manner, and the fastening grooves are fastened in the limiting groove. According to the aspirator provided by the invention, the aspiration handle can realize accurate position control in the cannula, the aspiration handle can be self-maintained in the cannula after the volume of the aspiration passage is positioned, and the aspiration operation is greatly facilitated.
Description
Technical field
The present invention is related to a kind of aspirator, more particularly to the aspirator of application in a kind of medical instruments field.
Background technology
Tradition aspirator, in aspiration procedure, will realize the suction force kept relative stability for a long time, it is necessary to patient remains the aspiration phases of aspirator, very inconvenient in operation；Simultaneously as suction position can not well be limited, it is easy to produce the aspirator rollback phenomenon of aspiration phases, operation technique is produced impact.
At present, the aspirator with limit function of main flow on market, limit method problem during due to location, during suction there is very big drawback in the guarantee of positional precision；In operation, when needs adjust pumping volume time, operate comparatively laborious, it is impossible to accurately ensure the volume change of suction simultaneously.
Accordingly, it would be desirable to research and develop a kind of new aspirator, overcome drawbacks described above.
Summary of the invention
It is an object of the invention to provide a kind of aspirator, its suction handle can realize accurate position control in sleeve pipe, and after being had good positioning by the volume of the suction channel of sleeve pipe, suction handle can self-insurance be held in sleeve pipe, greatly facilitates vacuuming operation.
The above-mentioned purpose of the present invention can adopt following technical proposal to realize:
The present invention provides a kind of aspirator, and described aspirator includes:
Sleeve pipe, its one end is formed with joint, and the sidewall of its other end is provided with insertion groove, be provided with in described sleeve pipe axially through suction channel, described insertion groove is connected with described suction channel；
Limited block, it is positioned at described insertion groove, and described limited block has limited impression；
Suction handle, its slidable sealing ground inserts in described suction channel, and described suction handle has axially arranged spacing fin, and the outer rim of described spacing fin is interval with multiple buckle slot, and described buckle slot is buckled in described limited impression.
In a preferred embodiment, being provided with spacing inclined-plane in described limited impression, described buckle slot has bayonet ramp, and described bayonet ramp matches with described spacing inclined-plane.
In a preferred embodiment, described limited impression be respectively provided on two sides with stopper protrusion, described spacing inclined-plane is folded between two described stopper protrusions.
In a preferred embodiment, described limited block is semi-circular shape, being respectively equipped with a described limited impression inside the two ends of described limited block, described suction handle is provided with two described spacing fins, and two described spacing fins are along the diametrically opposite setting of described suction handle.
In a preferred embodiment, described limited block is additionally provided with transposition groove, and described transposition groove is between two described limited impressions.
In a preferred embodiment, described suction handle also has axially arranged transposition fin, described transposition fin is between two described spacing fins, and described transposition fin is inconsistent with the inwall of described limited block, and described transposition fin is positioned at described transposition groove.
In a preferred embodiment, described transposition groove be respectively provided on two sides with transposition protuberance, described transposition fin turns round setting between two described transposition protuberances.
In a preferred embodiment, when described spacing fin is buckled in described limited impression, described transposition fin is connected on one of them described transposition protuberance of described transposition groove；When described transposition fin is connected to another described transposition protuberance of described transposition groove, described spacing fin is positioned at the outside of described limited impression.
In a preferred embodiment, described suction handle also has axially arranged support fin, the diametrically opposite setting along described suction handle of described support fin and described transposition fin.
In a preferred embodiment, the other end of described sleeve pipe is provided with gripping flange, described gripping flange is provided with multiple spacing hole, described limited block is provided with hole, multiple location, and described limited block is located in by connector and is fixedly connected on described gripping flange in hole, described location and described spacing hole.
Feature and the advantage of the aspirator of the present invention be:
One, the suction handle of this aspirator can carry out accurate position control in sleeve pipe, after the volume of the suction channel of sleeve pipe is had good positioning, suction handle coordinates buckle by buckle slot and limited impression, can self-insurance be held in sleeve pipe, greatly facilitate vacuuming operation, it is simple, convenient, drastically increases the operability of operation.
Two, in actual mechanical process, this aspirator can carry out flexible conversion between quickly suction and stepping suction, be accurately positioned carry out stepping suction time, can accurate control and suck capacity, and intended negative pressure position can be automatically held in, it is simple, convenient, greatly improves the operability of operation.
Three, the limited block of this aspirator, is positioned at the design of two transposition protuberances of transposition groove both sides, it is possible to provide a kind of position to limit in operating the process that this suction handle rotates to patient, it is to avoid the situation of maloperation occurs.
Four, present configuration is simple, can give patient visual and clear manipulation sense while precise manipulation.
Five, the present invention is provided with the base of ellipse in the outer end of suction handle, it is possible to facilitates the relatively accurate location suction handle of patient relative to the position relationship of limited block, judges that aspirator is in the state of stepping suction or quickly suction, convenient operation intuitively.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the aspirator of the present invention.
Fig. 2 is the structural representation of the sleeve pipe of the aspirator of the present invention.
Fig. 3 is the structural representation of the limited block of the aspirator of the present invention.
Fig. 4 is the structural representation of the suction handle of the aspirator of the present invention.
Fig. 5 is the schematic top plan view that the aspirator of the present invention is in stepping aspiration phases.
Fig. 6 is the schematic top plan view that the aspirator of the present invention is in quick aspiration phases.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in Figure 1, the present invention provides a kind of aspirator, it includes sleeve pipe 1, limited block 2 and suction handle 3, wherein: one end of sleeve pipe 1 is formed with joint 11, the sidewall of its other end is provided with insertion groove 12, be provided with in described sleeve pipe 1 axially through suction channel 13, described insertion groove 12 is connected with described suction channel 13；Limited block 2 is positioned at described insertion groove 12, and described limited block 2 has limited impression 21；Suction handle 3 slidable sealing ground inserts in described suction channel 13, and described suction handle 3 has axially arranged spacing fin 31, and the outer rim of described spacing fin 31 is interval with multiple buckle slot 311, and described buckle slot 311 is buckled in described limited impression 21.
Specifically, shown in Fig. 2, sleeve pipe 1 is substantially in cylinder barrel shaped, its have axially through suction channel 13, in the present embodiment, the cross section of this suction channel 13 is circular, certainly, in other examples, the cross section of this suction channel 13 is also designed to other shape, does not limit at this.One end of sleeve pipe 1 is formed with joint 11, and this joint 11 is standard outer cone joint, and it is for being connected with aspiration, and certainly, the aspirator of the present invention, after completing pumping operation, connects needle for injection by this joint 11, it is possible to use as syringe；In the present invention, the other end of sleeve pipe 1 is connected to gripping flange 14, this gripping flange 14 uses for facilitating staff to grip when injection or suction, it is made up of two horizontally disposed holding plates 141, two holding plates 141 are diametrically connected in the other end outer rim of sleeve pipe 1, and two holding plates 141 are vertically arranged with the axis of sleeve pipe 1 respectively, being provided with insertion groove 12 on the other end sidewall of sleeve pipe 1, this insertion groove 12 is arranged near this gripping flange 14.
Limited block 2 is positioned at insertion groove 12, in the present invention, shown in Fig. 3, limited block 2 is provided with hole, multiple location 22, one of them holding plate 141 of gripping flange 14 is provided with multiple spacing hole 142, when limited block 2 is buckled in insertion groove 12, is penetrated in the hole, location 22 and spacing hole 142 being correspondingly arranged by connector, the position that limited block 2 is positioned on sleeve pipe 1 limited block 2 can be fixedly connected on gripping flange 14, thus can be relatively fixed；The limited impression 21 of this limited block 2 is positioned at the suction channel 13 of sleeve pipe 1.
As shown in Figure 4, the lower end 32 of this suction handle 3 is substantially in inversed-cone shape, the lower end 32 of inversed-cone shape is arranged over seal sliding surface 33, thus this suction handle 3 is located in the suction channel 13 of sleeve pipe 1 by this seal sliding surface 33 slidable sealing, so that this aspirator carries out negative pressure of vacuum pumping operation in sleeve pipe 1, this suction handle 3 is provided with spacing fin 31 along its axial direction, being interval with multiple buckle slot 311 in the outer rim of this spacing fin 31, this buckle slot 311 is fastened in the limited impression 21 of limited block 2.
When suction handle 3 carries out the operation extracting injection in sleeve pipe 1, suction handle 3 facing sleeve 1 is made to stretch out, the buckle slot 311 being now placed in various location on spacing fin 31 can coordinate buckle with the limited impression 21 of limited block 2, thus realizing the suction handle 3 location positioning on sleeve pipe 1.
The aspirator of the present invention, for a kind of negative pressure of vacuum aspirator, its suction handle 3 can carry out accurate position control in sleeve pipe 1, after the volume of the suction channel 13 of sleeve pipe 1 is had good positioning, suction handle 3 coordinates buckle by buckle slot 311 and limited impression 21, it is possible to self-insurance is held in sleeve pipe 1, greatly facilitates vacuuming operation, it is simple, convenient, drastically increases the operability of operation.
According to an embodiment of the invention, as shown in Figure 3, Figure 4, being provided with spacing inclined-plane 211 in this limited impression 21, buckle slot 311 has bayonet ramp 312, and described bayonet ramp 312 matches with described spacing inclined-plane 211.
Specifically, this limited impression 21 be respectively provided on two sides with stopper protrusion 23, spacing inclined-plane 211 is folded between two stopper protrusions 23, and when limited block 2 is arranged on sleeve pipe 1, the spacing inclined-plane 211 of limited block 2 is arranged towards the direction of the joint 11 of sleeve pipe 1.
The buckle slot 311 of spacing fin 31 is being formed with bayonet ramp 312 towards the cell wall of joint 11 side, when buckle slot 311 is buckled in limited impression 21, this bayonet ramp 312 matches with spacing inclined-plane 211, such that it is able to be more firmly fixed on limited block 2 by suction handle 3.
According to an embodiment of the invention, this limited block 2 is semi-circular shape, being respectively equipped with a limited impression 21 inside the two ends of this limited block 2, this suction handle 3 is provided with two spacing fins 31, and two spacing fins 31 are along the diametrically opposite setting of suction handle 3.
The suction handle 3 of the present invention is respectively cooperating with being buckled in two limited impressions 21 of limited block 2 by two spacing fins 31, so that suction handle 3 more firmly carries out position adjustment in sleeve pipe 1, and ensureing the suction handle 3 self-sustaining effect in sleeve pipe 1, it is prevented that suction handle 3 buckle is insecure and carries out axial displacement in sleeve pipe 1.
Further, as it is shown on figure 3, this limited block 2 is additionally provided with transposition groove 24, this transposition groove 24 is between two limited impressions 21.In the present invention, it is convexly equipped with two transposition protuberances 25 at limited block 2 towards the inner side of the suction channel 13 of sleeve pipe 1, between two transposition protuberances 25, forms this transposition groove 24；This transposition groove 24 is positioned at the suction channel 13 of sleeve pipe 1.
As shown in Figure 4, this suction handle 3 also has axially arranged transposition fin 34, and this transposition fin 34 is between two spacing fins 31, and this transposition fin 34 is inconsistent with the inwall of limited block 2, and transposition fin 34 is positioned at this transposition groove 24, and arrange two revolutions between protuberance 25 that replace.
As shown in Figure 5, when two spacing fins 31 are buckled in two limited impressions 21 respectively, transposition fin 34 is connected on one of them transposition protuberance 25 of transposition groove 24, now, suction handle 3 can carry out axial stepping pumping operation in sleeve pipe 1, and this kind of mode of operation can accurate control and suck capacity.
As shown in Figure 6, when the fin 34 that replaces is connected on another transposition protuberance 25 of transposition groove 24, even if also suction handle 3 rotates in the suction channel 13 of sleeve pipe 1, now, the two ends of the limited block 2 of semi-circular shape resilient radial can be flared out under the effect of the side force of two spacing fins 31, in this case, continue to rotate suction handle 3, the card of two spacing fin 31 meeting disengaging limited impressions 21 respectively sets, and it is positioned at the outside of this limited impression 21, one of them spacing fin 31 is positioned at the outside of limited block 2, another spacing fin 31 is in the inner side of limited block 2 and between limited impression 21 and transposition groove 24.Now, suction handle 3 can carry out axial quick pumping operation in sleeve pipe 1, and this kind of mode of operation is applied to not need the quick vacuuming operation of control and suck capacity.
The present invention is positioned at the design of two transposition protuberances 25 of transposition groove 24 both sides, it is possible to provide a kind of position to limit in operating the process that this suction handle 3 rotates to patient, it is to avoid the situation of maloperation occurs.
Further, the present invention suction handle 3 outer end (namely, one end of lower end 32 away from inversed-cone shape) it is provided with the base 35 of ellipse, can facilitate the relatively accurate location suction handle 3 of patient relatively and the position relationship of limited block 2, judge that aspirator is in the state of stepping suction or quickly suction, convenient operation intuitively.Specifically, as it is shown in figure 5, when the oval major axis of base 35 is paralleled with the line of two holding plates 141 of the gripping flange 14 on sleeve pipe 1, this aspirator is in stepping suction position；As shown in Figure 6, when the major axis of oval base 35 has certain angle with the line of two holding plates 141 of the gripping flange 14 on sleeve pipe 1, this aspirator is in quick suction position.
Further, shown in Fig. 1, this suction handle 3 also has axially arranged support fin 36, the structure of this support fin 36 is identical with the structure of transposition fin 34, there is certain gap, the diametrically opposite setting along suction handle 3 of this support fin 36 and transposition fin 34 between itself and the inwall of sleeve pipe 1.Namely, this suction handle 3 is provided with four fins altogether along its circumferencial direction, two spacing fins 31 diametrically and lay respectively between two spacing fins 31 and the transposition fin 34 of diametrically opposite setting along suction handle 3 and support fin 36, the angle between fin adjacent between two is 90 degree.
The foregoing is only several embodiments of the present invention, the embodiment of the present invention can be carried out various change or modification without deviating from the spirit and scope of the present invention according to application documents disclosure by those skilled in the art.
Claims (10)
1. an aspirator, it is characterised in that described aspirator includes:
Sleeve pipe, its one end is formed with joint, and the sidewall of its other end is provided with insertion groove, be provided with in described sleeve pipe axially through suction channel, described insertion groove is connected with described suction channel；
Limited block, it is positioned at described insertion groove, and described limited block has limited impression；
Suction handle, its slidable sealing ground inserts in described suction channel, and described suction handle has axially arranged spacing fin, and the outer rim of described spacing fin is interval with multiple buckle slot, and described buckle slot is buckled in described limited impression.
2. aspirator as claimed in claim 1, it is characterised in that being provided with spacing inclined-plane in described limited impression, described buckle slot has bayonet ramp, and described bayonet ramp matches with described spacing inclined-plane.
3. aspirator as claimed in claim 2, it is characterised in that described limited impression be respectively provided on two sides with stopper protrusion, described spacing inclined-plane is folded between two described stopper protrusions.
4. the aspirator as described in claim 1 or 2 or 3, it is characterized in that, described limited block is semi-circular shape, a described limited impression it is respectively equipped with inside the two ends of described limited block, described suction handle is provided with two described spacing fins, and two described spacing fins are along the diametrically opposite setting of described suction handle.
5. aspirator as claimed in claim 4, it is characterised in that described limited block is additionally provided with transposition groove, and described transposition groove is between two described limited impressions.
6. aspirator as claimed in claim 5, it is characterized in that, described suction handle also has axially arranged transposition fin, and described transposition fin is between two described spacing fins, described transposition fin is inconsistent with the inwall of described limited block, and described transposition fin is positioned at described transposition groove.
7. aspirator as claimed in claim 6, it is characterised in that described transposition groove be respectively provided on two sides with transposition protuberance, described transposition fin turns round setting between two described transposition protuberances.
8. aspirator as claimed in claim 7, it is characterised in that when described spacing fin is buckled in described limited impression, described transposition fin is connected on one of them described transposition protuberance of described transposition groove；When described transposition fin is connected to another described transposition protuberance of described transposition groove, described spacing fin is positioned at the outside of described limited impression.
9. aspirator as claimed in claim 6, it is characterised in that also there is on described suction handle axially arranged support fin, the diametrically opposite setting along described suction handle of described support fin and described transposition fin.
10. aspirator as claimed in claim 1, it is characterized in that, the other end of described sleeve pipe is provided with gripping flange, described gripping flange is provided with multiple spacing hole, described limited block is provided with hole, multiple location, and described limited block is located in by connector and is fixedly connected on described gripping flange in hole, described location and described spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320471.XA CN105797223B (en) | 2016-05-16 | 2016-05-16 | Aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320471.XA CN105797223B (en) | 2016-05-16 | 2016-05-16 | Aspirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105797223A true CN105797223A (en) | 2016-07-27 |
| CN105797223B CN105797223B (en) | 2018-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320471.XA Active CN105797223B (en) | 2016-05-16 | 2016-05-16 | Aspirator |
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| Country | Link |
|---|---|
| CN (1) | CN105797223B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629718Y (en) * | 2003-07-20 | 2004-08-04 | 王力明 | Negative-pressure puncture needle |
| CN201969078U (en) * | 2010-12-21 | 2011-09-14 | 深圳市昕力医疗设备开发有限公司 | Six-gear-type pumping vacuum injector |
| CN204072889U (en) * | 2014-09-03 | 2015-01-07 | 孟淑燕 | A kind of adjustable continuous vacuum vacuum injector |
| CN204219534U (en) * | 2014-10-16 | 2015-03-25 | 杭州市第一人民医院 | A kind of safe medical syringe preventing interface slippage |
| US20150105754A1 (en) * | 2012-03-08 | 2015-04-16 | Stemcis | Syringe for medical applications |
| CN105193461A (en) * | 2015-10-30 | 2015-12-30 | 中国人民解放军第二军医大学 | Endoscopic ultrasonography puncture needle vacuum extractor device with quantitative control negative pressure |
| CN204972542U (en) * | 2015-09-09 | 2016-01-20 | 广州德米医用设备有限公司 | Take limit structure's injection device |
-
2016
- 2016-05-16 CN CN201610320471.XA patent/CN105797223B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629718Y (en) * | 2003-07-20 | 2004-08-04 | 王力明 | Negative-pressure puncture needle |
| CN201969078U (en) * | 2010-12-21 | 2011-09-14 | 深圳市昕力医疗设备开发有限公司 | Six-gear-type pumping vacuum injector |
| US20150105754A1 (en) * | 2012-03-08 | 2015-04-16 | Stemcis | Syringe for medical applications |
| CN204072889U (en) * | 2014-09-03 | 2015-01-07 | 孟淑燕 | A kind of adjustable continuous vacuum vacuum injector |
| CN204219534U (en) * | 2014-10-16 | 2015-03-25 | 杭州市第一人民医院 | A kind of safe medical syringe preventing interface slippage |
| CN204972542U (en) * | 2015-09-09 | 2016-01-20 | 广州德米医用设备有限公司 | Take limit structure's injection device |
| CN105193461A (en) * | 2015-10-30 | 2015-12-30 | 中国人民解放军第二军医大学 | Endoscopic ultrasonography puncture needle vacuum extractor device with quantitative control negative pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105797223B (en) | 2018-03-30 |
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