CN205434550U - Disposable infusion apparatus - Google Patents
Disposable infusion apparatus Download PDFInfo
- Publication number
- CN205434550U CN205434550U CN201620160411.1U CN201620160411U CN205434550U CN 205434550 U CN205434550 U CN 205434550U CN 201620160411 U CN201620160411 U CN 201620160411U CN 205434550 U CN205434550 U CN 205434550U
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- China
- Prior art keywords
- canister
- transfusion
- syringe needle
- hole
- top board
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- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an avoid taking place the disposable infusion apparatus of venous blood backward flow. This disposable infusion apparatus, including puncture ware, transfer line, blast pipe, blast pipe and puncture ware intercommunication, the one end and the puncture ware intercommunication of transfer line, the other end is connected with the syringe needle, has set gradually burette and flow regulator on the transfer line, is provided with the check valve between transfer line and the syringe needle. This disposable infusion apparatus is through setting up the check valve between transfer line and syringe needle, after the liquid medicine in infusion bottle or the infusion bag was totally lost, even patient or medical personnel do not have in time to extract the syringe needle, venous blood flows back just can be by the separation to check valve department, threatens patient's life and health in avoiding blood backflow to infusion bag or infusion bottle, moreover check valve simple structure, processing preparation is very convenient, the cost is lower. Be fit for the field wide use at medical instrument.
Description
Technical field
This utility model relates to medical instruments field, especially a kind of disposable transfusion device.
Background technology
Traditional disposable transfusion device is made up of perforator, infusion tube, exhaustor, dropper, guiding valve and syringe needle.Though this disposable transfusion device is widely used clinically.In clinical nursing activity, venous transfusion is modal nursing manipulative skill, transfusion time is the longest under normal circumstances, medical personnel can not guard patient at one's side always, and after once the liquid in infusion bottle or transfusion bag is totally lost, owing to human vein blood pressure is higher than external atmosphere pressure, if not in time syringe needle is extracted from the patient, venous patient blood flow can be caused to be back in infusion bottle or transfusion bag along tube for transfusion, thus crisis patients ' lives is healthy, for this, a lot of hospitals are all to be mounted with manual calling device on one's sick bed, once transfusion terminates, patient by syringe needle taking-up or changes new infusion bottle continuation transfusion by manual calling device calling medical personnel, this mode needs patient to pay close attention to amount of liquid in infusion bottle or transfusion bag at any time, and many times, patient also can forget, the accident frequently resulting in blood backflow occurs；Secondly, it is in order to consistent with ambient pressure to the pressure in holding bottle during patient infusion with infusion bottle that existing transfusion device arranges exhaustor, so that the liquid in infusion bottle can flow in patient body along tube for transfusion smoothly, but when utilizing transfusion flexible bag to infuse but without exhaustor, and exhaustor is in communication with the outside, if exhaustor is not closed, extraneous air will contact with the liquid in transfusion flexible bag thus pollute medicinal liquid, at present, common practice is all directly exhaustor or employing stopper to be blocked, owing to exhaustor is the shortest, tie a knot the most inconvenient, and easy being staved by exhaustor of tiing a knot causes being continuing with, and stopper is easily carried pathogenic bacteria and the most easily pollutes medicinal liquid, therefore, existing mode is both inconvenient to operate the most unhygienic.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of disposable transfusion device avoiding venous backflow.
This utility model solves the technical scheme that its technical problem used: this disposable transfusion device, including perforator, tube for transfusion, exhaustor, described exhaustor connects with perforator, one end of described tube for transfusion connects with perforator, the other end connects syringe needle, dropper and flow regulator it is disposed with on described tube for transfusion, it is provided with check valve between described tube for transfusion and syringe needle, described check valve includes valve body, valve chamber it is provided with in valve body, circular water fender it is provided with in valve chamber, valve body is provided with the inlet opening and apopore connected with valve chamber, the diameter of described circular water fender is more than inlet opening, the internal diameter of apopore and the internal diameter less than valve chamber, the inwall of apopore is in axial direction provided with multiple groove.
Further, described check valve, tube for transfusion, syringe needle are integral type structure.
nullIt is further，It is provided with stop valve on described exhaustor，Described stop valve includes top board、Base plate、Left plate、Right plate，Described top board、Base plate、Left plate、Right plate all uses elastomeric material to be made，The right-hand member of described top board is fixing with the upper end of right plate to be connected，The lower end of right plate is fixing with the right-hand member of base plate to be connected，The left end of base plate is fixing with the lower end of left plate to be connected，It is provided with pore on described left plate and right plate，The diameter of described pore is more than the external diameter of exhaustor，It is protruding that the lower surface of described top board is provided with first，It is protruding that the upper surface of described base plate arranges a little second，It is additionally provided with hole clipping on described left plate，Described hole clipping is positioned at the top of pore，The left end of described top board can snap in hole clipping，When the left end of top board snaps in hole clipping，Gap between described first projection and the second projection is equal to the twice of the wall thickness of exhaustor.
Further, the right-hand member of described top board is wedge shape.
nullIt is further，Described flow regulator includes arranging the rigid canister that two ends connect respectively with tube for transfusion，It is provided with column in described rigid canister，The external diameter of described column matches with the internal diameter of rigid canister，It is provided with conical through-hole on described column，The central axis of described conical through-hole and the central axes of column，The miner diameter end of described conical through-hole is towards syringe needle，It is provided with frustum in described conical through-hole，The central axis of frustum and the central axes of conical through-hole，The miner diameter end of described frustum is towards the miner diameter end of conical through-hole，The bigger diameter end of frustum is fixed with pull bar，The end of pull bar is fixed with cross bar，Described pull bar is parallel to each other with the central axis of frustum，Cross bar is orthogonal with pull bar，Two chutes it are provided with on the tube wall of rigid canister，Chute is arranged along the central axial direction of rigid canister，The two ends of cross bar extend to rigid canister through chute, and outward and cross bar can slidably reciprocate along chute，The two ends of cross bar are fixed with slide block，Being provided above for limiting the upper limitation canister that slide block moves up of slide block，The lower section of slide block is provided with for limiting the lower limitation canister that slide block moves down，Described upper limitation canister and lower limitation canister are threaded connection structure and are set in rigid canister，When rotating upper limitation canister or lower limitation canister，Upper limitation canister or lower limitation canister move along rigid canister.
nullThe beneficial effects of the utility model are: this disposable transfusion device is by arranging check valve between tube for transfusion and syringe needle，After the medicinal liquid in infusion bottle or transfusion bag is totally lost，Even if syringe needle is not extracted by patient or medical personnel in time，Venous backflow will be blocked to check valve，Blood is avoided in being back to transfusion bag or infusion bottle, to jeopardize patients ' lives healthy，And one-way valve structures described in the utility model is simple，Processing and fabricating is very convenient，Cost is relatively low，When its operation principle is as follows，When transfusion，Medicinal liquid flows into valve chamber from inlet opening，Owing to the diameter of circular water fender is more than inlet opening、The internal diameter of apopore and the internal diameter less than valve chamber，The medicinal liquid of flowing can promote circular water fender to move，When circular water fender moves to water outlet，Apopore is sealed by circular water fender，But owing to being in axial direction provided with multiple groove on the inwall of apopore，Therefore，Medicinal liquid can continue flowing along groove，When infusion-completed generation venous backflow，The blood of backflow promotes circular water fender can be fully sealed inlet opening when moving to water inlet，Blood will not reflux，Its simple in construction，Processing and fabricating is very convenient，Cost is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model disposable transfusion device；
Fig. 2 is the structural representation of check valve described in the utility model；
Fig. 3 is the structural representation of stop valve described in the utility model；
Fig. 4 is the structural representation of flow regulator described in the utility model；
Description of symbols in figure: perforator 1, tube for transfusion 2, exhaustor 3, syringe needle 4, dropper 5, check valve 6, valve body 61, valve chamber 62, circular water fender 63, inlet opening 64, apopore 65, groove 66, stop valve 7, top board 71, base plate 72, left plate 73, right plate 74, pore 75, first projection 76, second projection 77, hole clipping 78, flow regulator 8, column 81, conical through-hole 82, frustum 83, pull bar 84, cross bar 85, slide block 86, upper limitation canister 87, lower limitation canister 88, rigid canister 89.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, this disposable transfusion device, including perforator 1, tube for transfusion 2, exhaustor 3, described exhaustor 3 connects with perforator 1, one end of described tube for transfusion 2 connects with perforator 1, the other end connects syringe needle 4, dropper 5 and flow regulator 8 it is disposed with on described tube for transfusion 2, it is provided with check valve 6 between described tube for transfusion 2 and syringe needle 4, described check valve 6 includes valve body, valve chamber it is provided with in valve body, circular water fender it is provided with in valve chamber, valve body is provided with the inlet opening and apopore connected with valve chamber, the diameter of described circular water fender is more than inlet opening, the internal diameter of apopore and the internal diameter less than valve chamber, the inwall of apopore is in axial direction provided with multiple groove.nullThis disposable transfusion device is by arranging check valve 6 between tube for transfusion 2 and syringe needle 4，After the medicinal liquid in infusion bottle or transfusion bag is totally lost，Even if syringe needle 4 is not extracted by patient or medical personnel in time，Venous backflow will be blocked to check valve 6，Blood is avoided in being back to transfusion bag or infusion bottle, to jeopardize patients ' lives healthy，And check valve 6 simple in construction described in the utility model，Processing and fabricating is very convenient，Cost is relatively low，When its operation principle is as follows，When transfusion，Medicinal liquid flows into valve chamber from inlet opening，Owing to the diameter of circular water fender is more than inlet opening、The internal diameter of apopore and the internal diameter less than valve chamber，The medicinal liquid of flowing can promote circular water fender to move，When circular water fender moves to water outlet，Apopore is sealed by circular water fender，But owing to being in axial direction provided with multiple groove on the inwall of apopore，Therefore，Medicinal liquid can continue flowing along groove，When infusion-completed generation venous backflow，The blood of backflow promotes circular water fender can be fully sealed inlet opening when moving to water inlet，Blood will not reflux，Its simple in construction，Processing and fabricating is very convenient，Cost is relatively low.
Owing to transfusion device is single use, therefore, in order to easy to process, described check valve 6, tube for transfusion 2, syringe needle 4 are integral type structure.
nullIt is provided with stop valve 7 on described exhaustor 3，Described stop valve 7 includes top board 71、Base plate 72、Left plate 73、Right plate 74，Described top board 71、Base plate 72、Left plate 73、Right plate 74 all uses elastomeric material to be made，The right-hand member of described top board 71 is fixing with the upper end of right plate 74 to be connected，The lower end of right plate 74 is fixing with the right-hand member of base plate 72 to be connected，The left end of base plate 72 is fixing with the lower end of left plate 73 to be connected，Described left plate 73 is provided with pore 75 on right plate 74，The diameter of described pore 75 is more than the external diameter of exhaustor 3，The lower surface of described top board 71 is provided with the first projection 76，The upper surface of described base plate 72 arranges a little second projection 77，It is additionally provided with hole clipping 78 on described left plate 73，Described hole clipping 78 is positioned at the top of pore 75，The left end of described top board 71 can snap in hole clipping 78，When the left end of top board 71 snaps in hole clipping 78，Gap between described first protruding 76 and second projection 77 is equal to the twice of the wall thickness of exhaustor 3.By arranging stop valve 7 on exhaustor 3, it is arranged on exhaustor 3 will turn off valve 7 in advance, exhaustor 3 only need to be sequentially passed through pore 75 when mounted that arrange on left plate 73 and right plate 74, when client need uses transfusion bag transfusion, only the left end of top board 71 need to be snapped in hole clipping 78, now the gap between the first protruding 76 and second projection 77 is equal to the twice of the wall thickness of exhaustor 3, just being compressed by exhaustor 3 prevents outside air from contacting with medicinal liquid, clean hygiene, and top board 71, base plate 72, left plate 73, right plate 74 all uses elastomeric material to be made, the left end of top board 71 is being snapped in hole clipping 78 and is taking out the most very convenient.
Further, for convenience top board 71 can quickly be snapped in hole clipping 78, the right-hand member of top board 71 is set to wedge shape.
nullAdditionally，Described flow regulator 8 can use existing various flow regulator，As preferably，Described flow regulator 8 includes arranging the rigid canister 89 that two ends connect respectively with tube for transfusion 2，It is provided with column 81 on the inwall of described rigid canister 89，The external diameter of described column 81 matches with the internal diameter of rigid canister 89，It is provided with conical through-hole 82 on described column 81，The central axis of described conical through-hole 82 and the central axes of column 81，The miner diameter end of described conical through-hole 82 is towards syringe needle 4，It is provided with frustum 83 in described conical through-hole 82，The central axis of frustum 83 and the central axes of conical through-hole 82，The miner diameter end of described frustum 83 is towards the miner diameter end of conical through-hole 82，The bigger diameter end of frustum 83 is fixed with pull bar 84，The end of pull bar 84 is fixed with cross bar 85，Described pull bar 84 is parallel to each other with the central axis of frustum 83，Cross bar 85 is orthogonal with pull bar 84，Two chutes it are provided with on the tube wall of rigid canister 89，Chute is arranged along the central axial direction of rigid canister 89，The two ends of cross bar 85 extend to outside rigid canister 89 through chute and cross bar 85 can slidably reciprocate along chute，The two ends of cross bar 85 are fixed with slide block 86，Being provided above for limiting the upper limitation canister 87 that slide block 86 moves up of slide block 86，The lower section of slide block 86 is provided with for limiting the lower limitation canister 88 that slide block 86 moves down，Described upper limitation canister 87 is threaded connection structure with lower limitation canister 88 and is set in rigid canister 89，When rotating upper limitation canister 87 or lower limitation canister 88，Upper limitation canister 87 or lower limitation canister 88 move along rigid canister 89.nullThe use process of this flow regulator 8 is as follows，In infusion process，By rotating upper limitation canister 87 and lower limitation canister 88，When rotating upper limitation canister 87 or lower limitation canister 88，Upper limitation canister 87 or lower limitation canister 88 move along rigid canister 89，So that slide block 86 moves and then adjusts the position of slide block 86，Slide block 86 can pass through cross bar 85 when mobile、Pull bar 84 drives frustum 83 to move，Frustum 83 is when moving up and down，Gap between the conical surface and the inwall of conical through-hole 82 of frustum 83 is continually changing，The most just the gap length between the conical surface of frustum 83 and the inwall of conical through-hole 82 can be regulated by adjusting the position of slide block 86，So that the flow of medicinal liquid is controlled，The flow regulator 8 of this structure is less likely to occur repeatedly，As long as its position adjustment is put in place，Its flow is just as all the time，Its flow-control effect is preferable.
Claims (5)
- null1. disposable transfusion device，Including perforator (1)、Tube for transfusion (2)、Exhaustor (3)，Described exhaustor (3) connects with perforator (1)，One end of described tube for transfusion (2) connects with perforator (1)，The other end connects syringe needle (4)，Dropper (5) and flow regulator (8) it is disposed with on described tube for transfusion (2)，It is characterized in that: between described tube for transfusion (2) and syringe needle (4), be provided with check valve (6)，Described check valve (6) includes valve body (61)，Valve chamber (62) it is provided with in valve body (61)，Circular water fender (63) it is provided with in valve chamber (62)，Valve body (61) is provided with the inlet opening (64) and apopore (65) connected with valve chamber (62)，The diameter of described circular water fender (63) is more than inlet opening (64)、The internal diameter of apopore (65) and the internal diameter less than valve chamber (62)，The inwall of apopore (65) is in axial direction provided with multiple groove (66).
- 2. disposable transfusion device as claimed in claim 1, it is characterised in that: described check valve (6), tube for transfusion (2), syringe needle (4) they are integral type structure.
- null3. disposable transfusion device as claimed in claim 2，It is characterized in that: on described exhaustor (3), be provided with stop valve (7)，Described stop valve (7) includes top board (71)、Base plate (72)、Left plate (73)、Right plate (74)，Described top board (71)、Base plate (72)、Left plate (73)、Right plate (74) all uses elastomeric material to be made，The right-hand member of described top board (71) is fixing with the upper end of right plate (74) to be connected，The lower end of right plate (74) is fixing with the right-hand member of base plate (72) to be connected，The left end of base plate (72) is fixing with the lower end of left plate (73) to be connected，It is provided with pore (75) on described left plate (73) and right plate (74)，The diameter of described pore (75) is more than the external diameter of exhaustor (3)，The lower surface of described top board (71) is provided with first protruding (76)，The upper surface of described base plate (72) arranges a little second protruding (77)，Hole clipping (78) it is additionally provided with on described left plate (73)，Described hole clipping (78) is positioned at the top of pore (75)，The left end of described top board (71) can snap in hole clipping (78)，When the left end of top board (71) snaps in hole clipping (78)，Gap between described first protruding (76) and second protruding (77) is equal to the twice of the wall thickness of exhaustor (3).
- 4. disposable transfusion device as claimed in claim 3, it is characterised in that: the right-hand member of described top board (71) is wedge shape.
- null5. disposable transfusion device as claimed in claim 4，It is characterized in that: described flow regulator (8) includes arranging the rigid canister (89) that two ends connect respectively with tube for transfusion (2)，Column (81) it is provided with on the inwall of described rigid canister (89)，The external diameter of described column (81) matches with the internal diameter of rigid canister (89)，Conical through-hole (82) it is provided with on described column (81)，The central axis of described conical through-hole (82) and the central axes of column (81)，The miner diameter end of described conical through-hole (82) is towards syringe needle (4)，Frustum (83) it is provided with in described conical through-hole (82)，The central axis of frustum (83) and the central axes of conical through-hole (82)，The miner diameter end of described frustum (83) is towards the miner diameter end of conical through-hole (82)，The bigger diameter end of frustum (83) is fixed with pull bar (84)，The end of pull bar (84) is fixed with cross bar (85)，Described pull bar (84) is parallel to each other with the central axis of frustum (83)，Cross bar (85) is orthogonal with pull bar (84)，Two chutes it are provided with on the tube wall of rigid canister (89)，Chute is arranged along the central axial direction of rigid canister (89)，The two ends of cross bar (85) extend to rigid canister (89) through chute, and outward and cross bar (85) can slidably reciprocate along chute，The two ends of cross bar (85) are fixed with slide block (86)，Being provided above for limiting the upper limitation canister (87) that slide block (86) moves up of slide block (86)，The lower section of slide block (86) is provided with for limiting the lower limitation canister (88) that slide block (86) moves down，Described upper limitation canister (87) and lower limitation canister (88) are threaded connection structure and are set in rigid canister (89)，When rotating upper limitation canister (87) or lower limitation canister (88)，Upper limitation canister (87) or lower limitation canister (88) are mobile along rigid canister (89).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160411.1U CN205434550U (en) | 2016-03-02 | 2016-03-02 | Disposable infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160411.1U CN205434550U (en) | 2016-03-02 | 2016-03-02 | Disposable infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205434550U true CN205434550U (en) | 2016-08-10 |
Family
ID=56605519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620160411.1U Expired - Fee Related CN205434550U (en) | 2016-03-02 | 2016-03-02 | Disposable infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205434550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316648A (en) * | 2018-09-13 | 2019-02-12 | 符霞军 | A kind of disposable transfusion device being automatically turned off |
| CN111569183A (en) * | 2020-05-14 | 2020-08-25 | 郑孝祥 | Infusion apparatus with air-flow-preventing and blood-return functions for department of pediatrics |
-
2016
- 2016-03-02 CN CN201620160411.1U patent/CN205434550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316648A (en) * | 2018-09-13 | 2019-02-12 | 符霞军 | A kind of disposable transfusion device being automatically turned off |
| CN111569183A (en) * | 2020-05-14 | 2020-08-25 | 郑孝祥 | Infusion apparatus with air-flow-preventing and blood-return functions for department of pediatrics |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170302 |