CN209847841U - Single-tube multi-cavity infusion bag - Google Patents
Single-tube multi-cavity infusion bag Download PDFInfo
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- CN209847841U CN209847841U CN201821201853.1U CN201821201853U CN209847841U CN 209847841 U CN209847841 U CN 209847841U CN 201821201853 U CN201821201853 U CN 201821201853U CN 209847841 U CN209847841 U CN 209847841U
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Abstract
The utility model discloses a single-tube multi-cavity transfusion bag, which comprises a bag body, wherein a liquid flow passage and a plurality of cavities are arranged in the bag body; one end of the liquid flow passage is sealed, and the other end is provided with a bottle connecting opening; the plurality of chambers are arranged in a mutually separated way, and the side wall of each chamber is respectively provided with a dosing port; the lower end of each cavity is respectively provided with a liquid outlet and is communicated with the interior of the liquid flow passage through the liquid outlet; be equipped with check valve and removable sealing between the liquid outlet of each cavity and the liquid runner respectively, the circulation direction of check valve is for following cavity flow direction liquid runner, and removable sealing sets up in one side of check valve towards the liquid runner. The utility model discloses can solve the tradition and need extract the transfusion system joint when trading water, lead to connecting the problem of pollution, improve nursing work efficiency simultaneously, avoid trading the nursing mistake of wrong water.
Description
Technical Field
The utility model relates to the technical field of infusion devices, in particular to a single-tube multi-cavity infusion bag.
Background
The infusion bag is a disposable medical appliance with large dosage and wide application range. Traditional infusion bag is an inner chamber, can only a splendid attire liquid medicine, when needs transfuse with another kind of liquid medicine, needs to change infusion bag, and is more troublesome, especially two kinds of liquid medicines need be in succession or the mixed condition of infusing, and the infusion set connects and exposes in having the fungus environment when changing liquid, increases the probability of pollution, leads to the emergence of nosocomial infection. When the liquid is replaced, the sharp instrument is exposed, and the sharp instrument injury is easy to happen.
In addition, at present, all clinical intravenous infusions are changed by one bag after the infusion of one bag of liquid is finished, and although the clinical efforts are made to realize the nursing ratio of 1:8 for high-quality nursing requirements, a plurality of problems still exist, such as large workload of nurse water changing, low efficiency, nursing errors caused by wrong liquid changing, increased nursing contradiction disputes, and accordingly, the trust of patients on medical care treatment is reduced.
Disclosure of Invention
The utility model aims at providing a single tube multicavity room infusion bag, solve the tradition and need connect the transfusion system to extract when trading water, lead to connecting the problem of pollution, improve nursing work efficiency simultaneously, avoid trading the nursing mistake of wrong water.
The utility model discloses the technical scheme who takes does: a single-tube multi-cavity transfusion bag comprises a bag body, wherein a liquid flow channel and a plurality of cavities are arranged in the bag body; one end of the liquid flow passage is sealed, and the other end is provided with a bottle connecting opening;
the plurality of chambers are arranged in a mutually separated way, and the side wall of each chamber is respectively provided with a dosing port;
the lower end of each cavity is respectively provided with a liquid outlet and is communicated with the interior of the liquid flow passage through the liquid outlet;
be equipped with check valve and removable sealing between the liquid outlet of each cavity and the liquid runner respectively, the circulation direction of check valve is for following cavity flow direction liquid runner, and removable sealing sets up in one side of check valve towards the liquid runner.
The utility model discloses when using, can open the removable sealing portion that required liquid medicine corresponds the cavity as required, then the liquid medicine in the corresponding cavity can flow to the liquid flow way through the check valve, and then through connecing the bottleneck flow direction transfusion system pipeline, realizes the infusion of liquid medicine. When the liquid medicine needs to be replaced, the needle head of the infusion apparatus does not need to be pulled out, and the subsequent continuous infusion of the liquid medicine can be realized only by opening the detachable sealing part of the cavity corresponding to the liquid medicine to be replaced. The infusion sequence of the cavities can be randomly sequenced, and the one-way valve ensures that the liquid medicine in the liquid flow passage cannot flow back to the cavity which is infused completely. When the blood return phenomenon occurs, backflow occurs in the liquid flow channel, and the backflow liquid can be blocked outside the cavity by the check valves of the cavities, so that adverse consequences caused by backflow are avoided.
Preferably, the one-way valve comprises a barrier, a valve seat and a valve core; the periphery of the valve seat and the periphery of the barrier are respectively fixed on the inner periphery of the liquid outlet of the chamber, and the plane of the barrier is vertical to the axial direction of the valve seat and is arranged on one side of the valve seat facing the liquid flow channel; the valve core comprises an anti-reflux blocking piece and a core column, the anti-reflux blocking piece is positioned between the valve seat and the barrier, one end of the core column is vertically and fixedly connected with the middle part of the anti-reflux blocking piece, and the other end of the core column is inserted into the valve seat; the change of the flow direction of the liquid in the liquid outlet can make the valve core move towards the valve seat or be far away from the valve seat, so that the backflow prevention blocking sheet is abutted against the periphery of the valve seat or abutted against the barrier.
The core column is made of a material with the density lower than that of the conventional liquid medicine, so that the valve core can still be driven to cover the valve seat runner opening under the combined action of impact force and buoyancy under the condition that the liquid medicine slowly flows back. The radius of anti-reflux separation blade is greater than the disk seat external diameter, is less than the liquid outlet internal diameter simultaneously, for the skew margin that the anti-reflux separation blade was set aside for during the liquid medicine backward flow, even the skew also can cover the disk seat runner mouth completely of anti-reflux separation blade, when the liquid medicine flow direction was normal simultaneously, can not plug up the liquid outlet completely on anti-reflux separation blade laminating and the barrier. The stem column is positioned in the valve seat flow passage to play a limiting role, so that the situation that the backflow-preventing blocking piece is excessively deviated and cannot completely cover the valve seat flow passage when liquid medicine flows back is avoided. The radius of the anti-reflux baffle plate can be adjusted by integrating the inner and outer diameter sizes of the valve seat flow passage and the inner diameter size of the liquid outlet.
Furthermore, the infusion bag of the utility model also comprises an annular hanging part which is fixedly connected with the upper end part of the bag body. The hanging part can facilitate the hanging of the transfusion bag, and a hanging net is not required to be additionally sleeved.
Preferably, the annular hanging part and the bag body are integrally formed. The bag body and the hanging part of integrated into one piece can guarantee the bearing performance of the hanging part and avoid the bag body from falling off.
Preferably, the plurality of chambers are arranged in sequence from top to bottom, and the liquid flow passage is located on the left side or the right side of the plurality of chambers and is respectively communicated with the liquid outlets of the chambers.
Preferably, the plurality of chambers are arranged in sequence in a transverse direction, and the liquid flow passages are positioned at the lower sides of the plurality of chambers and are respectively communicated with the liquid outlets of the chambers. Furthermore, the liquid flow channel is obliquely arranged, and the height of one side of the liquid flow channel connected with the bottle mouth is lower than that of the opposite side.
Preferably, the bottom of each chamber is inclined, and the height of one side where the liquid outlet is located is lower than that of the opposite side. The liquid medicine in each cavity can flow into the liquid flow channel to the maximum extent under the action of gravity, and the influence of the waste of the liquid medicine on the medicine effect is avoided.
Preferably, the detachable sealing part of the liquid outlet is a weak welding seam. The weak welding process is currently applied to the field of cavity separation of infusion bags, and with reference to ZL200420068947.8 as the prior art, a weak welding seam can ensure the sealing between a cavity and a liquid flow channel, and can completely bear the pressure applied to a bag body in the normal transportation process, so that the liquid outlet conduction in a non-infusion state cannot be caused. When water needs to be changed, the sealing part can adopt a sealing strip with good sealing effect and pressure-bearing effect, and the like.
Preferably, the chambers are sealed and separated by weak welding seams or sealing strips. When the required liquid medicine amount is larger, the sealing strips between two chambers or more chambers can be separated, and the communication between the chambers can be realized.
Preferably, the plurality of chambers are sealed and separated by welding seams. In this embodiment, the different chambers are not intercommunicated, but it is ensured that the fluids are not accidentally mixed between the different chambers.
Advantageous effects
The utility model discloses a multicavity room single current way and the integrated design of each cavity check valve need not to change infusion bag's purpose when having realized multiple liquid infusion, can avoid the transfusion system to connect and expose and contaminated in having the fungus environment, avoid the syringe needle to expose and hinder the people, but the nurse station that simultaneously significantly reduces trades water work load, improves nursing efficiency, avoids trading the nursing mistake of wrong water.
Simultaneously the utility model discloses an export at every cavity and set up the check valve respectively, can avoid the liquid reflux in the runner for the infusion order of a plurality of cavities can alternate wantonly, guarantees that the liquid medicine in the liquid runner can not reduce the risk that the blood returned and brought to a certain extent in the cavity that finishes of infusing against the current.
Drawings
Fig. 1 is a schematic view of the structure of the infusion bag of the present invention;
FIG. 2 is a schematic cross-sectional view of a forward flow configuration of the check valve;
FIG. 3 is a schematic cross-sectional view of a reverse blocking state structure of the check valve;
fig. 4 is a schematic diagram of a structure of the barrier.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and the specific embodiments.
As shown in fig. 1, the single-tube multi-chamber infusion bag of the present invention comprises a bag body 1, wherein a liquid flow channel 2 and a plurality of chambers 3 are arranged in the bag body; one end of the liquid flow passage 2 is sealed, and the other end is provided with a bottle connecting opening 8;
the plurality of chambers 3 are arranged in a mutually separated way, and the side wall of each chamber 3 is respectively provided with a dosing port 5;
the lower end of each cavity 3 is respectively provided with a liquid outlet and is communicated with the inside of the liquid flow passage 2 through the liquid outlet;
a one-way valve 6 and a detachable sealing part 7 are respectively arranged between the liquid outlet of each cavity 3 and the liquid flow channel 2, the flowing direction of the one-way valve 6 is from the cavity to the liquid flow channel, and the detachable sealing part 7 is arranged on one side of the one-way valve 6 facing the liquid flow channel 2.
The medicine adding port 5 is used for adding medicine into each cavity respectively. The utility model discloses when using, can open the removable sealing portion that required liquid medicine corresponds the cavity as required, then the liquid medicine in the corresponding cavity can flow to the liquid flow way through the check valve, and then through connecing the bottleneck flow direction transfusion system pipeline, realizes the infusion of liquid medicine. When the liquid medicine needs to be replaced, the needle head of the infusion apparatus does not need to be pulled out, and the subsequent continuous infusion of the liquid medicine can be realized only by opening the detachable sealing part of the cavity corresponding to the liquid medicine to be replaced. When the blood return phenomenon occurs, backflow occurs in the liquid flow channel, and the backflow liquid can be blocked outside the cavity by the check valves of the cavities, so that adverse consequences caused by backflow are avoided.
With reference to fig. 3 to 4, the check valve 6 includes a barrier 61, a valve seat 62, and a valve element; the periphery of the valve seat 62 and the periphery of the barrier 61 are respectively fixed on the inner periphery of the liquid outlet of the chamber, and the plane of the barrier 61 is perpendicular to the axial direction of the valve seat 62 and is arranged on one side of the valve seat 62 facing the liquid flow passage 2; the valve core comprises an anti-reflux blocking sheet 63 and a core column 64, the anti-reflux blocking sheet 63 is positioned between the valve seat 62 and the barrier 61, one end of the core column 64 is vertically and fixedly connected with the middle part of the anti-reflux blocking sheet 63, and the other end is inserted into the valve seat 62; the change of the flow direction of the liquid in the liquid outlet can make the valve core move towards the valve seat or be far away from the valve seat, so that the backflow prevention blocking sheet is abutted against the periphery of the valve seat or abutted against the barrier.
The core column is made of a material with the density lower than that of the conventional liquid medicine, so that the valve core can still be driven to cover the valve seat runner opening under the combined action of impact force and buoyancy under the condition that the liquid medicine slowly flows back.
The radius of anti-reflux separation blade is greater than the disk seat external diameter, is less than the liquid outlet internal diameter simultaneously, for the skew margin that the anti-reflux separation blade was set aside for during the liquid medicine backward flow, even the skew also can cover the disk seat runner mouth completely of anti-reflux separation blade, when the liquid medicine flow direction was normal simultaneously, can not plug up the liquid outlet completely on anti-reflux separation blade laminating and the barrier. The stem column is positioned in the valve seat flow passage to play a limiting role, so that the situation that the backflow-preventing blocking piece is excessively deviated and cannot completely cover the valve seat flow passage when liquid medicine flows back is avoided. The radius of the anti-reflux baffle plate can be adjusted by integrating the inner and outer diameter sizes of the valve seat flow passage and the inner diameter size of the liquid outlet.
In the embodiment shown in fig. 1, the infusion bag further comprises an annular suspension part 9, which is fixedly connected to the upper end of the bag body. The hanging part can facilitate the hanging of the transfusion bag, and a hanging net is not required to be additionally sleeved. Further, the annular hanging part and the bag body are integrally formed. The bag body and the hanging part of integrated into one piece can guarantee the bearing performance of the hanging part and avoid the bag body from falling off.
In the embodiment shown in fig. 1, the chambers are arranged in sequence from top to bottom, and the liquid flow channel is located on the left side or the right side of the chambers and is respectively communicated with the liquid outlets of the chambers. The bottom of each chamber is obliquely arranged, and the height of one side where the liquid outlet is located is lower than that of the opposite side. The liquid medicine in each cavity can flow into the liquid flow channel to the maximum extent under the action of gravity, and the influence of the waste of the liquid medicine on the medicine effect is avoided.
Furthermore, the utility model discloses still can set up to, for transversely arranging in proper order between a plurality of cavities, the liquid flow path is located the downside of a plurality of cavities to communicate the liquid outlet of each cavity respectively. The liquid flow passage is obliquely arranged, and the height of one side of the liquid flow passage connected with the bottle mouth is lower than that of the opposite side. In this embodiment, the bottom of each chamber may be inclined, and the liquid outlet is located at a lower height on one side than on the opposite side.
In the embodiment shown in fig. 1, the number of the chambers is 3, the chambers are arranged in sequence from top to bottom, the liquid flow channel is arranged on the right side of the plurality of chambers, and the liquid outlet of each chamber is directly communicated to the liquid flow channel. The number of chambers may be increased or decreased as desired. The outer wall of the left side of each cavity is provided with a dosing port, and the dosing ports are in the prior art.
The detachable sealing part of the liquid outlet is a weak welding seam. The weak welding process is currently applied to the field of cavity separation of infusion bags, and with reference to ZL200420068947.8 as the prior art, a weak welding seam can ensure the sealing between a cavity and a liquid flow channel, and can completely bear the pressure applied to a bag body in the normal transportation process, so that the liquid outlet conduction in a non-infusion state cannot be caused. When water needs to be changed, the sealing part can adopt a sealing strip with good sealing effect and pressure-bearing effect, and the like.
The chambers are sealed and separated by weak welding seams or sealing strips. When the required liquid medicine amount is larger, the sealing strips between two chambers or more chambers can be separated, and the communication between the chambers can be realized.
In addition, the chambers can be sealed and separated by welding seams. In this embodiment, the different chambers are not intercommunicated, but it is ensured that the fluids are not accidentally mixed between the different chambers.
To sum up, the utility model has the advantages and the progress below:
1. the workload of clinical nurses for changing water is effectively reduced, and the working efficiency is greatly improved;
2. the nursing error of changing wrong liquid is avoided to a great extent, and the occurrence rate of the patient-protecting contradiction is reduced;
3. the pollution caused by repeatedly pulling and inserting the infusion apparatus due to the replacement of the liquid medicine is reduced, and the nosocomial infection probability is reduced;
4. the liquid is replaced without puncture by a sharp instrument, so that the exposure of the sharp instrument is reduced, and the safety is enhanced;
5. the transfusion sequence of the cavities can be changed at will, and the liquid medicine in the liquid flow channel can be ensured not to flow back to the cavity after transfusion.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a single tube multicavity room infusion bag which characterized by: comprises a bag body, wherein a liquid flow passage and a plurality of cavities are arranged in the bag body; one end of the liquid flow passage is sealed, and the other end is provided with a bottle connecting opening;
the plurality of chambers are arranged in a mutually separated way, and the side wall of each chamber is respectively provided with a dosing port;
the lower end of each cavity is respectively provided with a liquid outlet and is communicated with the interior of the liquid flow passage through the liquid outlet;
a one-way valve and a detachable sealing part are respectively arranged between the liquid outlet of each cavity and the liquid flow channel, the flowing direction of the one-way valve is from the cavity to the liquid flow channel, and the detachable sealing part is arranged on one side of the one-way valve facing the liquid flow channel;
the one-way valve comprises a barrier, a valve seat and a valve core; the periphery of the valve seat and the periphery of the barrier are respectively fixed on the inner periphery of the liquid outlet of the chamber, and the plane of the barrier is vertical to the axial direction of the valve seat and is arranged on one side of the valve seat facing the liquid flow channel; the valve core comprises an anti-reflux blocking piece and a core column, the anti-reflux blocking piece is positioned between the valve seat and the barrier, the density of the core column is lower than that of the liquid, one end of the core column is vertically and fixedly connected with the middle part of the anti-reflux blocking piece, and the other end of the core column is inserted into the valve seat; the change of the flow direction of the liquid in the liquid outlet can make the valve core move towards the valve seat or be far away from the valve seat, so that the backflow prevention blocking sheet is abutted against the periphery of the valve seat or abutted against the barrier.
2. The single tube multi-chamber infusion bag according to claim 1, wherein: the bag is characterized by further comprising an annular suspension part, wherein the annular suspension part is fixedly connected with the upper end part of the bag body.
3. The single tube multi-chamber infusion bag according to claim 2, wherein: the annular hanging part and the bag body are integrally formed.
4. The single tube multi-chamber infusion bag according to claim 1, wherein: the plurality of cavities are arranged in sequence from top to bottom, and the liquid flow channel is positioned on the left side or the right side of the plurality of cavities and is respectively communicated with the liquid outlets of the cavities.
5. The single tube multi-chamber infusion bag according to claim 1, wherein: the cavities are transversely arranged in sequence, and the liquid flow passages are positioned at the lower sides of the cavities and are respectively communicated with the liquid outlets of the cavities.
6. The single tube multi-chamber infusion bag according to claim 5, wherein: the liquid flow passage is obliquely arranged, and the height of one side of the liquid flow passage connected with the bottle mouth is lower than that of the opposite side.
7. The monotube multi-chamber infusion bag according to claim 4 or 5, wherein: the bottom of each chamber is obliquely arranged, and the height of one side where the liquid outlet is located is lower than that of the opposite side.
8. The single tube multi-chamber infusion bag according to claim 1, wherein: the removable sealing part of liquid outlet is the weak point weld seam.
9. The single tube multi-chamber infusion bag according to claim 1, wherein: the chambers are sealed and separated by weak welding seams or sealing strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821201853.1U CN209847841U (en) | 2018-07-27 | 2018-07-27 | Single-tube multi-cavity infusion bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821201853.1U CN209847841U (en) | 2018-07-27 | 2018-07-27 | Single-tube multi-cavity infusion bag |
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| Publication Number | Publication Date |
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| CN209847841U true CN209847841U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821201853.1U Active CN209847841U (en) | 2018-07-27 | 2018-07-27 | Single-tube multi-cavity infusion bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101209A (en) * | 2021-04-02 | 2021-07-13 | 上海乐纯生物技术有限公司 | Liquid storage bag for mixing biological pharmaceutical liquid |
-
2018
- 2018-07-27 CN CN201821201853.1U patent/CN209847841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101209A (en) * | 2021-04-02 | 2021-07-13 | 上海乐纯生物技术有限公司 | Liquid storage bag for mixing biological pharmaceutical liquid |
| CN113101209B (en) * | 2021-04-02 | 2022-09-16 | 上海乐纯生物技术有限公司 | Liquid storage bag for mixing biological pharmaceutical liquid |
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