CN204072983U - The anti-transfusion device that backflows - Google Patents
The anti-transfusion device that backflows Download PDFInfo
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- CN204072983U CN204072983U CN201420487552.5U CN201420487552U CN204072983U CN 204072983 U CN204072983 U CN 204072983U CN 201420487552 U CN201420487552 U CN 201420487552U CN 204072983 U CN204072983 U CN 204072983U
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- backflows
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- trocar sheath
- inner sleeve
- bypass duct
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Abstract
The open a kind of anti-transfusion device that backflows of this utility model, primarily of infusion tube, venoclysis needle, speed-regulating switch, Mo Feisi dropper, the bottle plug puncture unit of more than 2 or 2 and the branch switch composition of more than 2 or 2; Wherein infusion tube comprises the bypass duct of 1 main road pipe and more than 2 or 2, and the lower end of every bar bypass duct is all connected with the upper end of main road pipe; The upper end of every bar bypass duct is connected to a bottle plug puncture unit, and the middle part of every bar bypass duct is connected to a branch switch; Venoclysis needle is connected on the lower end of main road pipe, and speed-regulating switch and Mo Feisi dropper are then serially connected in the middle part of main road pipe; Wherein the middle part of every bar bypass duct also a step be serially connected with an anti-device that backflows.This utility model can prevent the medicinal liquid in different medicine bottle from mixing mutually, particularly with after automatic-exhaust transfusion device multi pack can prevent from air from sealing in the infusion bottle in using entering in patient body.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of anti-transfusion device that backflows.
Background technology
Traditional transfusion device primarily of infusion tube, and is serially connected in bottle plug puncture unit, Mo Feisi dropper, speed-regulating switch and the venoclysis needle composition on this infusion tube from top to bottom.During use, be inserted into by bottle plug puncture unit in infusion bottle, venoclysis needle is inserted in patient body and comes to be realize transfusion.The transfusion device of this single-path architecture once can only connect one bottle of infusion bottle, thus after every bottle liquid medicine is totally lost, all needs medical personnel to be extracted from one bottle of infusion bottle by bottle plug puncture unit, then is inserted in another bottle of infusion bottle.Consider that patient is when often carrying out an infusion treatment, mostly need input 2 kinds or medicinal liquid of more than two kinds can reach the effect for the treatment of, and traditional single channel transfusion device just needs medical personnel frequently to replace infusion bottle on transfusion device, this can increase the workload of medical and nursing work greatly, particularly when multiple patient needs to change infusion bottle simultaneously, and when medical personnel have more visitors or business than one can attend to, after being even totally lost because of the medicinal liquid in infusion bottle, cause air to enter in human body, and then cause malpractice.
In order to address this problem, occur a kind of two-way transfusion device at present, this transfusion device comprises Y shape infusion tube, 2 branched pipes of this Y shape infusion tube is respectively connected to a bottle plug puncture unit and a branch road speed-regulating switch; The main road pipe of this Y shape infusion tube is connected to a black Fes dropper, a main road speed-regulating switch and a venoclysis needle from top to bottom.Although the transfusion device of this two-channel structure can insert two bottles of infusion bottles once, this decreases the number of times that medical personnel change infusion bottle to a certain extent.But, because the in advance mixing of medicinal liquid before entering human body can affect medication effect, therefore when infusing, can only successively two bottle liquid medicines be input in human body successively.Now, this two-way transfusion device in use, needs first by completely closed for the branch road speed-regulating switch in a wherein bypass duct, and is opened by the branch road speed-regulating switch in a wherein bypass duct, is input in human body to allow a wherein bottle liquid medicine.After the first bottle liquid medicine is totally lost, then the branch road speed-regulating switch in this bypass duct is closed, and the branch road speed-regulating switch in that bypass duct closed before opening, allow another bottle liquid medicine be input in human body.This will ask medical personnel or patient to pay special attention to the state of two-way branch road speed-regulating switch, namely the closedown completely guaranteeing one of them branch road speed-regulating switch is needed, once close not exclusively, can because of the pressure differential in different infusion bottle or because of infusion bottle position change mineralization pressure jump, in the side infusion bottle that the side liquid inlet pressure making pressure high is low, liquid in different infusion bottle is caused to mix mutually; Or because of misoperation, cause air to enter in patient body.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of anti-transfusion device that backflows, and it can prevent the medicinal liquid in different medicine bottle from mixing mutually, particularly with after automatic-exhaust transfusion device multi pack can effectively prevent air from entering in patient body.
For solving the problem, this utility model is achieved through the following technical solutions:
A kind of anti-transfusion device that backflows, primarily of infusion tube, venoclysis needle, speed-regulating switch, Mo Feisi dropper, the bottle plug puncture unit of more than 2 or 2 and the branch switch composition of more than 2 or 2; Wherein infusion tube comprises the bypass duct of 1 main road pipe and more than 2 or 2, and the lower end of every bar bypass duct is all connected with the upper end of main road pipe; The upper end of every bar bypass duct is connected to a bottle plug puncture unit, and the middle part of every bar bypass duct is connected to a branch switch; Venoclysis needle is connected on the lower end of main road pipe, and speed-regulating switch and Mo Feisi dropper are then serially connected in the middle part of main road pipe; Wherein the middle part of every bar bypass duct is also serially connected with an anti-device that backflows.
In such scheme, described anti-backflow device primarily of connect on one inner sleeve, under connect trocar sheath and anti-ly return flexible pipe composition; Connect on above-mentioned inner sleeve and under connect trocar sheath and be up big and down small infundibulate siphunculus; On connect the top of inner sleeve overall diameter with under connect the top of trocar sheath interior diameter match, under connect the upper socket of trocar sheath in the upper upper outside connecing inner sleeve; On connect the bottom of inner sleeve overall diameter be less than under connect the interior diameter of the bottom of trocar sheath, the bottom above connecing inner sleeve is embedded in down the lower inside connecing trocar sheath; Above-mentionedly anti-return flexible pipe upper socket in the upper bottom connecing inner sleeve, and be positioned at the lower inside being embedded in down and connecing trocar sheath; The bottom that this is anti-returns flexible pipe is with an adduction and can the wedge-shaped opening of deformation; When the anti-inside returning flexible pipe store have liquid time, this wedge-shaped opening opens and passes through for liquid; Otherwise wedge-shaped opening closes.
In such scheme, what connect the lateral wall of trocar sheath under described diametrically is provided with 2 cambered outwards pressing cards in footpath, and these 2 pressing cards point to the anti-position returning the wedge-shaped opening of flexible pipe.
In such scheme, the side-wall outer side above connecing the top of inner sleeve is provided with at least one chimeric convex clip, under connect the top of trocar sheath sidewall offer at least one embedded hole matched with chimeric convex clip.
In such scheme, describedly anti-return flexible pipe and have silica gel material to make.
In such scheme, the described anti-device that backflows is positioned at the top of branch switch.
In such scheme, described branch switch is speed-regulating switch.
Compared with prior art, this utility model only need arrange an anti-device that backflows in every bar bypass duct, just the liquid reverse flow not using branch path can be guaranteed, thus can effectively avoid because of the pressure differential in different infusion bottle or because of infusion bottle position change mineralization pressure jump, in the side infusion bottle that the side liquid inlet pressure making pressure high is low, liquid in different infusion bottle is caused to mix mutually; Or because of misoperation, cause air to enter in patient body.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the anti-transfusion device that backflows.
Fig. 2 be the anti-device that backflows on connect the enlarged diagram of inner sleeve.
Fig. 3 is the anti-enlarged diagram returning flexible pipe of the anti-device that backflows.
Fig. 4 is the enlarged diagram connecing trocar sheath under the anti-device that backflows.
Number in the figure: 1, infusion tube; 1-1, bypass duct; 1-2 main road pipe; 2, venoclysis needle; 3, speed-regulating switch; 4, Mo Feisi dropper; 5, bottle plug puncture unit; 6, branch switch; 7, the anti-device that backflows; 7-1, on connect inner sleeve; 7-2, under connect trocar sheath; 7-3, anti-return flexible pipe; 7-4, chimeric convex clip; 7-5, embedded hole; 7-6, pressing card.
Detailed description of the invention
A kind of anti-transfusion device that backflows, as shown in Figure 1, the anti-device 7 that backflows primarily of infusion tube 1, venoclysis needle 2, speed-regulating switch 3,4,2, Mo Feisi dropper or the bottle plug puncture unit 5,2 of more than 2 or the branch switch 6 of more than 2 and more than 2 or 2 forms.Wherein infusion tube 1 comprises the bypass duct 1-1 of 1 main road pipe 1-2 and 2 or more than 2, and the lower end of every bar bypass duct 1-1 is all connected with the upper end of main road pipe 1-2.The upper end of every bar bypass duct 1-1 is connected to a bottle plug puncture unit 5, and the middle part of every bar bypass duct 1-1 is connected to branch switch 6 and the anti-device 7 that backflows.Venoclysis needle 2 is connected on the lower end of main road pipe 1-2, and speed-regulating switch 3 and 4, Mo Feisi dropper are serially connected in the middle part of main road pipe 1-2.The object of the described anti-device 7 that backflows ensures liquid forward flowing from top to bottom, and block liquid or air reverse flow from lower to upper, thus can avoid because of the pressure differential in different infusion bottle or because of infusion bottle position change mineralization pressure jump, in the side infusion bottle that the side liquid inlet pressure making pressure high is low, liquid in different infusion bottle is caused to mix mutually; Or because of misoperation, cause air to enter in patient body.
In this utility model preferred embodiment, describedly anti-backflow device 7 as in Figure 2-4, its primarily of connect on one inner sleeve 7-1, under meet trocar sheath 7-2 and anti-ly return flexible pipe 7-3 and form.Connect on above-mentioned inner sleeve 7-1 and under meet trocar sheath 7-2 and be up big and down small infundibulate siphunculus.On connect the top of inner sleeve 7-1 overall diameter with under connect the top of trocar sheath 7-2 interior diameter match, under connect the upper socket of trocar sheath 7-2 in the upper upper outside meeting inner sleeve 7-1.Can directly allow down the upper socket meeting trocar sheath 7-2 in the upper upper outside meeting inner sleeve 7-1 by the mode of diametric fit.But in order to improve the steadiness of connection, the side-wall outer side connecing the top of inner sleeve 7-1 on described is provided with at least one chimeric convex clip 7-4, under connect the top of trocar sheath 7-2 sidewall offer at least one embedded hole 7-5 matched with chimeric convex clip 7-4; During installation, above-mentioned embedded hole 7-5 is embedded on chimeric convex clip 7-4.On connect the bottom of inner sleeve 7-1 overall diameter be less than under connect the interior diameter of the bottom of trocar sheath 7-2, the bottom above meeting inner sleeve 7-1 is embedded in down the lower inside meeting trocar sheath 7-2.On connect inner sleeve 7-1 lateral wall and under meet trocar sheath 7-2 medial wall between leave certain gap and return flexible pipe 7-3 embed for anti-.Above-mentionedly anti-return flexible pipe 7-3 upper socket in the upper bottom meeting inner sleeve 7-1, and be positioned at the lower inside being embedded in down and meeting trocar sheath 7-2.The bottom that this is anti-returns flexible pipe 7-3 is with an adduction and can the wedge-shaped opening of deformation.When the anti-inside returning flexible pipe 7-3 store have liquid time, this wedge-shaped opening opens and passes through for liquid.Otherwise wedge-shaped opening closes.In this utility model preferred embodiment, describedly anti-return flexible pipe 7-3 and have silica gel material to make, produce a certain amount of deformation to enable its wedge-shaped opening.In addition, what connect the lateral wall of trocar sheath 7-2 under described diametrically is provided with 2 footpath cambered outwards pressing card 7-6, and these 2 pressing card 7-6 point to the anti-position returning the wedge-shaped opening of flexible pipe 7-3.By relatively pressing these 2 pressing card 7-6, the anti-wedge-shaped opening returning flexible pipe 7-3 is forced to be opened.
In this utility model, the described anti-device 7 that backflows is positioned at the top of branch switch 6, also can be positioned at the below of branch switch 6.In this utility model preferred embodiment, the described anti-device 7 that backflows is positioned at the top of branch switch 6.The uninterrupted of transfusion can be realized by the speed regulator on main road pipe 1-2, and therefore described branch switch 6 can for controlling the on-off of this branch road.But in this utility model preferred embodiment, described branch switch 6 is the speed-regulating switch 3 that can realize Flow-rate adjustment.
Claims (7)
1. the anti-transfusion device that backflows, primarily of infusion tube (1), venoclysis needle (2), speed-regulating switch (3), Mo Feisi dropper (4), the bottle plug puncture unit (5) of more than 2 or 2 and branch switch (6) composition of more than 2 or 2; Wherein infusion tube (1) comprises the bypass duct (1-1) of 1 main road pipe (1-2) and more than 2 or 2, and the lower end of every bar bypass duct (1-1) is all connected with the upper end of main road pipe (1-2); The upper end of every bar bypass duct (1-1) is connected to a bottle plug puncture unit (5), and the middle part of every bar bypass duct (1-1) is connected to a branch switch (6); Venoclysis needle (2) is connected on the lower end of main road pipe (1-2), and speed-regulating switch (3) and Mo Feisi dropper (4) are then serially connected in the middle part of main road pipe (1-2); It is characterized in that: the middle part of every bar bypass duct (1-1) is also serially connected with an anti-device (7) that backflows further.
2. the anti-transfusion device that backflows according to claim 1, is characterized in that: described anti-backflow device (7) primarily of connect on one inner sleeve (7-1), under connect trocar sheath (7-2) and the anti-flexible pipe (7-3) that returns forms; Connect on above-mentioned inner sleeve (7-1) and under connect trocar sheath (7-2) and be up big and down small infundibulate siphunculus; On connect the top of inner sleeve (7-1) overall diameter with under connect the top of trocar sheath (7-2) interior diameter match, under connect the upper socket of trocar sheath (7-2) in the upper upper outside meeting inner sleeve (7-1); On connect the bottom of inner sleeve (7-1) overall diameter be less than under connect the interior diameter of the bottom of trocar sheath (7-2), the bottom above connecing inner sleeve (7-1) is embedded in down the lower inside meeting trocar sheath (7-2); Above-mentionedly anti-return flexible pipe (7-3) upper socket in the upper bottom meeting inner sleeve (7-1), and be positioned at the lower inside being embedded in down and meeting trocar sheath (7-2); The bottom that this is anti-returns flexible pipe (7-3) is with an adduction and can the wedge-shaped opening of deformation; When the anti-inside returning flexible pipe (7-3) store have liquid time, this wedge-shaped opening opens and passes through for liquid; Otherwise wedge-shaped opening closes.
3. the anti-transfusion device that backflows according to claim 2, it is characterized in that: what connect the lateral wall of trocar sheath (7-2) under described diametrically is provided with 2 cambered outwards pressings card (7-6) in footpath, and these 2 pressings card (7-6) point to the anti-position returning the wedge-shaped opening of flexible pipe (7-3).
4. the anti-transfusion device that backflows according to claim 2, it is characterized in that: the side-wall outer side above connecing the top of inner sleeve (7-1) is provided with at least one chimeric convex clip (7-4), under connect the top of trocar sheath (7-2) sidewall offer at least one embedded hole (7-5) matched with chimeric convex clip (7-4).
5. the anti-transfusion device that backflows according to claim 2, is characterized in that: describedly anti-ly return flexible pipe (7-3) and have silica gel material to make.
6. the anti-transfusion device that backflows according to claim 1, is characterized in that: the described anti-device (7) that backflows is positioned at the top of branch switch (6).
7. the anti-transfusion device that backflows according to claim 1, is characterized in that: described branch switch (6) is speed-regulating switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487552.5U CN204072983U (en) | 2014-08-27 | 2014-08-27 | The anti-transfusion device that backflows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487552.5U CN204072983U (en) | 2014-08-27 | 2014-08-27 | The anti-transfusion device that backflows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204072983U true CN204072983U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487552.5U Expired - Fee Related CN204072983U (en) | 2014-08-27 | 2014-08-27 | The anti-transfusion device that backflows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204072983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174103A (en) * | 2014-08-27 | 2014-12-03 | 罗爱国 | Anti-backflow infusion set |
-
2014
- 2014-08-27 CN CN201420487552.5U patent/CN204072983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174103A (en) * | 2014-08-27 | 2014-12-03 | 罗爱国 | Anti-backflow infusion set |
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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: 20150107 Termination date: 20160827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |