CN110354364B - Safe closed chemotherapy tube flushing device - Google Patents
Safe closed chemotherapy tube flushing device Download PDFInfo
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- CN110354364B CN110354364B CN201910733822.3A CN201910733822A CN110354364B CN 110354364 B CN110354364 B CN 110354364B CN 201910733822 A CN201910733822 A CN 201910733822A CN 110354364 B CN110354364 B CN 110354364B
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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
- A61M25/00—Catheters; Hollow probes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of chemotherapy treatment, in particular to a safe closed chemotherapy tube flushing device which comprises an injector, wherein a fixed tube is arranged on the injector, a one-way valve is arranged at the tail end of the fixed tube, a first liquid outlet tube is arranged on the one-way valve, a second liquid outlet tube is arranged on the first liquid outlet tube, a three-way adjusting device is arranged on the first liquid outlet tube and comprises a rubber column tightly adhered to the wall of the first liquid outlet tube and a knob arranged outside the first liquid outlet tube, a sealing convex column is arranged at the tail end of a screw rod, and a plurality of clamping devices which are annularly arranged at equal intervals are arranged on the top surface of an injector shell provided with a medicine injection tube. The invention has simple and rapid operation, is convenient for tube flushing operation, does not need to frequently take down the injector and lightens the work burden of medical care personnel.
Description
Technical Field
The invention relates to the technical field of chemotherapy treatment, in particular to a safe closed chemotherapy flushing pipe device.
Background
When carrying out chemotherapy to the patient, in order to avoid carrying out puncture work repeatedly, generally will place specific needle tubing in the patient internal, but in order to prevent to appear some complications when putting the pipe, need regularly carry out the washing pipe processing to ductus venosus, need use the washing pipe device when carrying out the washing pipe operation, but general washing pipe device is when using, and the single can only be washed the pipe to a pipeline, needs the staff to take repeatedly or take off the syringe, brings more inconvenience for the staff. In view of this, we propose a safe closed chemotherapy catheter device.
Disclosure of Invention
The invention aims to provide a safe closed chemotherapy tube flushing device, which solves the problem that when the general tube flushing device provided in the background technology is used, only one pipeline can be flushed once, and a worker needs to repeatedly take on or off an injector, so that the worker is more inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a safe chemotherapy tube flushing device of closing, includes the syringe, be equipped with fixed pipe on the syringe, the end of fixed pipe is equipped with the check valve, be equipped with first drain pipe on the check valve, be equipped with the second drain pipe on the first drain pipe, be equipped with tee bend adjusting device on the first drain pipe.
Preferably, the first liquid outlet pipe and the second liquid outlet pipe are of an integrally formed structure, and the first liquid outlet pipe and the second liquid outlet pipe jointly form a complete three-way pipe.
Preferably, the syringe comprises a syringe shell, the surface of the syringe shell is provided with scale marks arranged along the length direction of the syringe shell, the top end of the syringe shell is provided with a medicine injection tube, the medicine injection tube and the syringe shell are of an integrally formed structure, the medicine injection tube is communicated with a storage cavity inside the syringe shell, a pressing handle is arranged in the syringe shell, the top end of the pressing handle is provided with a piston, the piston is in sliding connection with the syringe shell, and the piston and the pressing handle are of an integrally formed structure.
Preferably, the medicine injection tube is matched with the fixing tube in an inserted manner.
Preferably, the pipe wall of the first liquid outlet pipe is provided with a threaded hole communicated with the outside, a first through hole communicated with the outside is formed in the position, opposite to the threaded hole, of the pipe wall of the first liquid outlet pipe, and the first through hole is communicated with the second liquid outlet pipe.
Preferably, the three-way adjusting device comprises a rubber column tightly adhered to the wall of the first liquid outlet pipe and a knob arranged outside the first liquid outlet pipe, wherein a second through hole which is horizontally arranged and communicated with the outside is arranged in the rubber column at a position opposite to the threaded hole, the second through hole, the threaded hole and the first through hole are concentrically arranged and are communicated with each other, a first liquid through hole which is communicated with the outside is arranged on the wall of the second through hole close to the threaded hole, the first liquid through hole is communicated with the first liquid outlet pipe, a second liquid through hole which is communicated with the outside is arranged on the wall of the bottom of the second through hole close to the first through hole, a plurality of anti-skid protrusions which are arranged at equal intervals in a ring shape are arranged on the ring-shaped side surface of the knob, and a screw rod is arranged on the knob at a position opposite to the threaded hole, the screw rod penetrates through the threaded hole and is in threaded connection with the threaded hole, a sealing convex column is arranged at the tail end of the screw rod and is located inside the second through hole, and the size of the sealing convex column is matched with that of the second through hole.
Preferably, the length of the sealing projection is greater than the sum of the aperture of the first liquid through hole, the aperture of the second liquid through hole, and the minimum distance between the first liquid through hole and the second liquid through hole.
Preferably, the top surface of the syringe shell provided with the medicine injection tube is provided with a plurality of clamping devices which are annularly arranged at equal intervals, each clamping device comprises a fixed block which is tightly adhered to the top surface of the syringe shell, and the side surface of the fixed block close to the medicine injection tube is provided with a rubber clamping block.
Preferably, the pipe body of the fixing pipe close to the bottom of the fixing pipe is provided with a fixing ring, the upper surface of the fixing ring is internally provided with a plurality of clamping grooves which are annularly arranged at equal intervals and communicated with the outside, and the rubber clamping blocks are in clamping fit with the clamping grooves corresponding to the rubber clamping blocks.
Preferably, the tube wall of the fixed tube is further provided with a sealing gasket, the sealing gasket is in interference fit with the drug injection tube, the fixed tube is further internally provided with an insertion tube, a plurality of annular bumps arranged at equal intervals are tightly adhered between the insertion tube and the tube wall of the fixed tube, and the insertion tube is in insertion fit with the drug injection tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first liquid outlet pipe and the second liquid outlet pipe are arranged on the corresponding indwelling pipelines, and the fixed pipe is controlled to be communicated with the first liquid outlet pipe or the fixed pipe is controlled to be communicated with the second liquid outlet pipe by rotating the knob, so that the two indwelling pipelines are flushed under the condition that the injector is not required to be taken down once, the operation is convenient, the workload of workers is reduced, and the problems that when a common flushing device is used, the injector is required to be taken up or taken down repeatedly by the workers, and further, the inconvenience is brought to the workers are solved.
2. The fixing device comprises a fixing pipe, a medicine injection pipe, a clamping device and a connecting pipe, wherein the fixing pipe is connected with the medicine injection pipe through the connecting pipe, the clamping device is arranged on the fixing pipe, the clamping device is arranged on the connecting pipe, the connecting pipe is arranged on the medicine injection pipe, and the clamping device is connected with the medicine injection pipe through the connecting pipe.
3. According to the invention, the sealing of the tail ends of the first liquid outlet pipe and the second liquid outlet pipe is realized through the arranged sealing covers, the situation that bacteria in the first liquid outlet pipe and the second liquid outlet pipe are bred and certain threats are brought to the health of patients due to the fact that the tail ends of the first liquid outlet pipe and the second liquid outlet pipe are directly exposed outside is avoided, and the problems that the bacteria are bred and the health of the patients are affected due to the fact that the sealing covers are not arranged on the pipelines of a common pipe flushing device are solved.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is an exploded view of example 1 of the present invention;
FIG. 3 is a cross-sectional view of a first effluent pipe of the present invention;
FIG. 4 is a cross-sectional view of a rubber post of the present invention;
FIG. 5 is a schematic structural diagram of embodiment 2 of the present invention
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic structural view of the clamping device of the present invention;
FIG. 8 is a bottom view of the retaining tube and retaining ring of the present invention;
FIG. 9 is a schematic structural view of the insertion tube and the bump according to the present invention;
FIG. 10 is a schematic structural view of example 3 of the present invention;
FIG. 11 is a bottom view of the seal cap of the present invention;
FIG. 12 is a schematic structural view of example 4 of the present invention;
fig. 13 is a bottom view of the cap of the present invention.
In the figure: 1. an injector; 10. a syringe housing; 11. scale lines; 12. a medicine injection tube; 13. pressing the handle; 131. a piston; 2. a fixed tube; 20. a one-way valve; 21. a first liquid outlet pipe; 211. a threaded hole; 212. a first through hole; 22. a second liquid outlet pipe; 3. a three-way adjusting device; 30. a rubber column; 301. a second through hole; 302. a first liquid through hole; 303. a second liquid through hole; 31. a knob; 311. anti-skid projections; 312. a screw; 313. sealing the convex column; 4. a clamping device; 40. a fixed block; 41. a rubber clamping block; 5. a fixing ring; 50. a card slot; 6. a gasket; 60. inserting a pipe; 61. a bump; 7. a sealing cover; 70. an anti-slip layer; 71. an annular thread groove; 72. inserting a column; 721. a sealing layer; 8. covering; 80. an annular groove; 81. and (4) anti-skid stripes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
A safe closed chemotherapy tube flushing device is shown in figures 1 to 4 and comprises an injector 1, wherein the injector 1 comprises an injector shell 10, scale marks 11 arranged along the length direction of the injector shell 10 are arranged on the surface of the injector shell 10, and the injector shell 10 is made of a transparent material, so that the volume of liquid medicine in the injector shell 10 can be observed conveniently through the scale marks 11 and the injector shell 10;
the top end of the injector shell 10 is provided with a medicine injection tube 12, the medicine injection tube 12 and the injector shell 10 are of an integrated structure, the medicine injection tube 12 is communicated with a storage chamber inside the injector shell 10, a pressing handle 13 is arranged in the injector shell 10, the top end of the pressing handle 13 is provided with a piston 131, the piston 131 is connected with the injector shell 10 in a sliding manner, and the piston 131 and the pressing handle 13 are of an integrated structure; the fixed tube 2 is arranged on the injector 1, and the injection tube 12 is matched with the fixed tube 2 in an inserting manner, so that the injection tube 12 and the fixed tube 2 are convenient to mount and dismount;
the one-way valve 20 is arranged at the tail end of the fixed tube 2, so that when the piston 131 is pushed forwards, liquid in the syringe shell 10 can only flow out along the one-way valve 20, and liquid medicine cannot flow back into the syringe shell 10; the check valve 20 is provided with a first liquid outlet pipe 21, the first liquid outlet pipe 21 is provided with a second liquid outlet pipe 22, the first liquid outlet pipe 21 and the second liquid outlet pipe 22 are of an integrally formed structure, and the first liquid outlet pipe 21 and the second liquid outlet pipe 22 jointly form a complete three-way pipe, so that the first liquid outlet pipe 21 and the second liquid outlet pipe 22 are conveniently connected with an external pipe, and the pipe punching operation of the external pipe is realized;
the pipe wall of the first liquid outlet pipe 21 is provided with a threaded hole 211 communicated with the outside, a first through hole 212 communicated with the outside is arranged on the pipe wall of the first liquid outlet pipe 21 opposite to the threaded hole 211, and the first through hole 212 is communicated with the second liquid outlet pipe 22, so that liquid entering the first through hole 212 can enter the second liquid outlet pipe 22 and flow out along the second liquid outlet pipe 22;
the first liquid outlet pipe 21 is provided with a three-way adjusting device 3, the three-way adjusting device 3 comprises a rubber column 30 tightly adhered on the pipe wall of the first liquid outlet pipe 21 and a knob 31 arranged outside the first liquid outlet pipe 21, a second through hole 301 which is horizontally arranged and communicated with the outside is arranged in the rubber column 30 opposite to the threaded hole 211, the second through hole 301, the threaded hole 211 and the first through hole 212 are concentrically arranged and communicated with each other, a first liquid through hole 302 which is communicated up and down is arranged on the hole wall of the second through hole 301 close to the threaded hole 211, the first liquid through hole 302 is communicated with the first liquid outlet pipe 21, a second liquid through hole 303 which is communicated with the outside is arranged on the bottom hole wall of the second through hole 301 close to the first through hole 212, a screw 312 is arranged on the knob 31 opposite to the threaded hole 211, the knob 31 and the screw 312 are of an integrated structure, so as to ensure that the structure is firmer, the device is not easy to damage; the screw 312 penetrates through the threaded hole 211 and is in threaded connection with the threaded hole 211, the tail end of the screw 312 is tightly bonded with the sealing convex column 313, the sealing convex column 313 is located inside the second through hole 301, the size of the sealing convex column 313 is matched with that of the second through hole 301, and the annular side face of the sealing convex column 313 is tightly attached to the hole wall of the second through hole 301, so that the sealing convex column 313 is guaranteed to be blocked when the first liquid through hole 302 or the second liquid through hole 303 is blocked, and liquid cannot flow out of the first liquid through hole 302 or the second liquid through hole 303.
In this embodiment, be equipped with the non slipping spur 311 that a plurality of is cyclic annular equidistant range on the annular side of knob 31, non slipping spur 311 and knob 31 be integrated into one piece structure, guarantee that its structure is more firm, and through the non slipping spur 311 who sets up, make the staff rotate knob 31 more smoothly, the condition of skidding can not appear.
Specifically, the length of the sealing convex column 313 is greater than the sum of the aperture of the first liquid through hole 302, the aperture of the second liquid through hole 303 and the minimum distance between the first liquid through hole 302 and the second liquid through hole 303, when the knob 31 is rotated until the knob 31 moves toward the outside, at this time, the sealing boss 313 moves toward the first fluid passing hole 302, when the knob 31 is turned until the knob 31 can not be turned any more, the left side surface of the sealing convex column 313 just abuts against the left side pipe wall of the first liquid outlet pipe 21, and at this time, the sealing convex column 313 blocks the first liquid through hole 302, and the sealing convex column 313 does not block the second liquid through hole 303, namely, the second through hole 303 is communicated with the second through hole 301, and at this time, the piston 131 is pushed, the liquid in the syringe housing 10 enters the second through hole 301 along the fixed tube 2 and the second through hole 303, and flows out of the second liquid outlet pipe 22 to realize the pipe washing operation of the external pipe connected with the second liquid outlet pipe 22; when the knob 31 is rotated reversely, the knob 31 moves towards the direction of the first liquid outlet pipe 21, at the same time, the sealing convex column 313 moves towards the direction of the second liquid through hole 303, when the knob 31 is rotated until the knob 31 can not rotate any more, at the same time, the right side surface of the sealing convex column 313 just abuts against the right side pipe wall of the first liquid outlet pipe 21, the sealing convex column 313 blocks the second liquid through hole 303, and the sealing convex column 313 does not block the first liquid through hole 302, at the same time, the first liquid through hole 302 is communicated with the second liquid through hole 301, the piston 131 is pushed, liquid in the injector shell 10 enters the second liquid through hole 301 along the fixing pipe 2 and the first liquid through hole 302 and flows out from the first liquid outlet pipe 21 along the top of the first liquid through hole 302, and the outside pipe connected with the first liquid outlet pipe 21 is flushed; when the knob 31 is rotated until the knob 31 moves towards the outside, and the sealing convex column 313 is just located at the middle position in the second through hole 301, at this time, the sealing convex column 313 just blocks the first through hole 302 and the second through hole 303, and at this time, the liquid medicine cannot flow out from the first liquid outlet pipe 21 and the second liquid outlet pipe 22.
In this embodiment, first drain pipe 21 and second drain pipe 22 through the setting, put tub with first drain pipe 21 and second drain pipe 22 and external and be connected, and install syringe 1 that will store up the liquid medicine on fixed pipe 2, through rotatory knob 31, control first drain pipe 21 or second drain pipe 22 and the external pipe intercommunication of putting of correspondence, inject the liquid medicine again, the realization is washed the pipe operation to the pipe of putting that corresponds, high durability and convenient use, general towards pipe device when using has been solved, the single can only wash the pipe to a pipeline, need the staff to take repeatedly or take off the syringe, and then bring more inconvenient problem for the staff.
Example 2
As a second embodiment of the present invention, in order to ensure that the medicine injection tube 12 and the fixing tube 2 are fixed more firmly, the present inventors improve the syringe housing 10 and the fixing tube 2, as a preferred embodiment, as shown in fig. 5 to 9, four clamping devices 4 arranged in an annular shape at equal intervals are arranged on the top surface of the syringe housing 10 provided with the medicine injection tube 12, each clamping device 4 includes a fixing block 40 tightly adhered to the top surface of the syringe housing 10, a rubber clamping block 41 is arranged on the side surface of the fixing block 40 close to the medicine injection tube 12, the fixing block 40 and the rubber clamping block 41 are in an integral structure, and the fixing block 40 and the rubber clamping block 41 are both made of rubber material, which has good elasticity and can deform to facilitate the rubber clamping block 41 to be clamped into the corresponding clamping groove 50;
the pipe body of the fixed pipe 2 close to the bottom of the fixed pipe is provided with a fixed ring 5, and the fixed ring 5 and the fixed pipe 2 are of an integrated structure, so that the structure is firmer and is not easy to damage; the upper surface of the fixing ring 5 is provided with a plurality of clamping grooves 50 which are arranged in an annular shape at equal intervals and communicated with the outside, the rubber clamping blocks 41 are clamped and matched with the corresponding clamping grooves 50, specifically, because the fixing block 40 and the rubber fixture block 41 have better elasticity, and the size of the rubber fixture block 41 is matched with that of the clamping groove 50, when the fixing ring 5 is pressed on the syringe shell 10, the bottom surface of the fixing ring 5 will abut against the inclined side surface of the rubber fixture block 41, and as the fixing ring 5 is further pressed down, the fixing block 40 and the rubber fixture block 41 will be pressed outwards by the fixing ring 5, at this time, the fixing block 40 and the rubber fixture block 41 will deform outwards, when the fixing ring 5 is just pressed on the syringe housing 10, the fixing block 40 and the rubber latch 41 are restored to their original shapes, and the vertical segment of the rubber latch 41 can be smoothly snapped into the latching groove 50.
The pipe wall of the fixed pipe 2 is also provided with a sealing gasket 6, the sealing gasket 6 is in interference fit with the medicine injection pipe 12, and the sealing performance between the fixed pipe 2 and the medicine injection pipe 12 is improved, so that the liquid leakage between the fixed pipe 2 and the medicine injection pipe 12 cannot occur;
the fixed tube 2 is also internally provided with an inserting tube 60, a plurality of lugs 61 which are arranged in an annular and equidistant way are tightly bonded between the inserting tube 60 and the tube wall of the fixed tube 2, one side surface of each lug 61 is tightly bonded on the inserting tube 60, and the other side surface of each lug 61 is tightly bonded on the fixed tube 2, so that the structure of the fixed tube is firmer; the insertion pipe 60 is in insertion fit with the drug injection pipe 12, and the outer surface of the insertion pipe 60 is tightly attached to the wall of the drug injection pipe 12, so that good sealing performance between the insertion pipe 60 and the drug injection pipe 12 is further ensured.
In this embodiment, through latch device 4 and draw-in groove 50 that sets up, make between fixed pipe 2 and the injection pipe 12 fixed more firm, through sealed pad 6 and the pipe 60 of pegging graft that sets up in addition, guarantee that the leakproofness between fixed pipe 2 and the injection pipe 12 is good, the condition that liquid was revealed can not appear, solved general washing pipe device when using, the problem that the fixed pipe drops from the injection pipe appears easily.
Example 3
As a third embodiment of the present invention, in order to ensure that the ends of the first liquid outlet pipe 21 and the second liquid outlet pipe 22 are not directly exposed, the present inventors have made an improvement on the first liquid outlet pipe 21 and the second liquid outlet pipe 22, as shown in fig. 10 and 11, as a preferred embodiment, a sealing cover 7 is disposed on each of the end pipe bodies of the first liquid outlet pipe 21 and the second liquid outlet pipe 22, and an anti-slip layer 70 is disposed on the surface of the sealing cover 7 to increase the friction force between the sealing cover 7 and the fingers, so that the sealing cover 7 can be rotated more smoothly and the sliding is less likely to occur; be equipped with the annular thread groove 71 that is linked together with the external world in the sealed lid 7, all be equipped with the external screw thread on the terminal body of first drain pipe 21 and second drain pipe 22, external screw thread on the terminal body of first drain pipe 21 and second drain pipe 22 and the annular thread groove 71 threaded connection in the sealed lid 7 that corresponds, conveniently unscrew sealed lid 7 when needs, when not using simultaneously, also conveniently twist sealed lid 7 on first drain pipe 21 or the second drain pipe 22.
In this embodiment, it has the post 72 of inserting that is vertical form setting to still closely bond on the roof of annular thread groove 71, peg graft cooperation between post 72 and the first drain pipe 21 on one of them sealed lid 7, peg graft cooperation between post 72 and the second drain pipe 22 on the other sealed lid 7, the realization is carried out the shutoff to first drain pipe 21 and second drain pipe 22, and the surface of inserting post 72 is equipped with sealing layer 721, be interference fit between the pipe wall of sealing layer 721 and first drain pipe 21 and the pipe wall of second drain pipe 22, make the bacterium can not enter into the inside of first drain pipe 21 and second drain pipe 22, thereby can effectually reduce breeding of bacterium.
In this embodiment, through the sealed lid 7 that sets up, when not using, twist first drain pipe 21 or second drain pipe 22 with the sealed lid 7 that corresponds on, and guarantee to insert post 72 and insert on corresponding first drain pipe 21 or second drain pipe 22, thereby realize carrying out the shutoff to first drain pipe 21 and second drain pipe 22, can effectually reduce breeding of bacterium, it does not be equipped with sealed lid on the pipeline on the general washing pipe device to have solved, and then cause bacterial growing easily, influence the healthy problem of patient.
Example 4
As a fourth embodiment of the present invention, in order to ensure that the drug injection tube 12 on the injector 1 is not directly exposed when not in use, the present inventors have improved the drug injection tube 12, as shown in fig. 12 and 13, as a preferred embodiment, a cover 8 is provided on the drug injection tube 12, an annular groove 80 communicated with the outside is provided in the cover 8, the drug injection tube 12 is in insertion fit with the annular groove 80, the drug injection tube 12 is protected by the cover 8, and the situation that the drug injection tube 12 is directly exposed to the outside to cause bacterial growth can be effectively avoided.
In this embodiment, the surface of the cover 8 is provided with anti-slip stripes 81, which is beneficial to increase the friction between the fingers and the cover 8, so that the cover 8 is not easy to slip when being held.
In this embodiment, through the upper shield 8 that sets up, when taking down syringe 1 from fixed pipe 2, can overlap upper shield 8 on injection pipe 12 on syringe 1 to avoid injection pipe 12 directly to expose outside and cause the bacterial growing, solved and lacked the protective sheath on the syringe on general washing tub device, caused injection pipe 12 positions to expose outside easily, by bacterial contamination's problem.
Before the safe closed chemotherapy tube flushing device is used, the sleeve cover 8 on the drug injection tube 12 is taken down, the corresponding tube flushing liquid medicine is sucked by the syringe 1, after the liquid medicine is sucked, the fixing ring 5 is tightly pressed on the syringe shell 10, the rubber clamping block 41 is clamped into the clamping groove 50, the insertion tube 60 is ensured to be inserted into the drug injection tube 12, then the sealing cover 7 is taken down, and the first liquid outlet tube 21 and the second liquid outlet tube 22 are connected with an external indwelling pipeline;
when using, it puts the pipe to judge what external world that needs to go on towards tub operation is, it is linked together with first drain pipe 21 to rotate knob 31 to the first liquid through hole 302 that corresponds again, perhaps second liquid through hole 303 is linked together with corresponding second drain pipe 22, push again and press handle 13, at this moment, piston 131 moves along with pressing handle 13 motion, realize pushing out the liquid medicine in syringe shell 10, the liquid medicine after the release can enter into corresponding first drain pipe 21 or second drain pipe 22 in, the realization is towards tub processing to external putting pipe, convenient operation, general towards tub device when using has been solved, the single can only wash the pipe to a pipeline, need the staff to take off the syringe repeatedly, and then bring more inconvenient problem for the staff.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A safe closed chemotherapy tube flushing device comprises an injector (1), and is characterized in that: a fixed pipe (2) is arranged on the injector (1), a one-way valve (20) is arranged at the tail end of the fixed pipe (2), a first liquid outlet pipe (21) is arranged on the one-way valve (20), a second liquid outlet pipe (22) is arranged on the first liquid outlet pipe (21), and a three-way adjusting device (3) is arranged on the first liquid outlet pipe (21); the first liquid outlet pipe (21) and the second liquid outlet pipe (22) are of an integrally formed structure, and the first liquid outlet pipe (21) and the second liquid outlet pipe (22) jointly form a complete three-way pipe; the injector (1) comprises an injector shell (10), scale marks (11) arranged along the length direction of the injector shell (10) are arranged on the surface of the injector shell (10), an injection tube (12) is arranged at the top end of the injector shell (10), the injection tube (12) and the injector shell (10) are of an integrally formed structure, the injection tube (12) is communicated with a storage chamber inside the injector shell (10), a pressing handle (13) is arranged in the injector shell (10), a piston (131) is arranged at the top end of the pressing handle (13), the piston (131) is in sliding connection with the injector shell (10), and the piston (131) and the pressing handle (13) are of an integrally formed structure; the medicine injection pipe (12) is in insertion fit with the fixed pipe (2); a threaded hole (211) communicated with the outside is formed in the pipe wall of the first liquid outlet pipe (21), a first through hole (212) communicated with the outside is formed in the position, opposite to the threaded hole (211), of the pipe wall of the first liquid outlet pipe (21), and the first through hole (212) is communicated with the second liquid outlet pipe (22); the three-way adjusting device (3) comprises a rubber column (30) tightly adhered to the wall of the first liquid outlet pipe (21) and a knob (31) arranged outside the first liquid outlet pipe (21), a second through hole (301) which is horizontally arranged and communicated with the outside is arranged in the rubber column (30) at a position right opposite to the threaded hole (211), the second through hole (301), the threaded hole (211) and the first through hole (212) are concentrically arranged and communicated with each other, a first liquid through hole (302) which is communicated with the upper part and the lower part is arranged on the wall of the second through hole (301) close to the threaded hole (211), the first liquid through hole (302) is communicated with the first liquid outlet pipe (21), and a second liquid through hole (303) which is communicated with the outside is arranged on the wall of the bottom of the second through hole (301) close to the first through hole (212), a plurality of anti-skid protrusions (311) which are annularly arranged at equal intervals are arranged on the annular side surface of the knob (31), a screw rod (312) is arranged at a position, facing the threaded hole (211), on the knob (31), the screw rod (312) penetrates through the threaded hole (211) and is in threaded connection with the threaded hole (211), a sealing convex column (313) is arranged at the tail end of the screw rod (312), the sealing convex column (313) is located inside the second through hole (301), and the size of the sealing convex column (313) is matched with that of the second through hole (301); the length of the sealing convex column (313) is larger than the sum of the aperture of the first liquid through hole (302), the aperture of the second liquid through hole (303) and the minimum distance between the first liquid through hole (302) and the second liquid through hole (303).
2. The safe closed chemotherapy washpipe device according to claim 1, characterized in that: be equipped with injection pipe (12) be equipped with a plurality of latch devices (4) that are cyclic annular equidistant range on the top surface of syringe shell (10), latch devices (4) are close to including closely bonding fixed block (40) on syringe shell (10) top surface injection pipe (12) be equipped with rubber fixture block (41) on the side of fixed block (40).
3. The safe closed chemotherapy washpipe device according to claim 2, characterized in that: the fixed pipe (2) is equipped with solid fixed ring (5) on being close to the body of its bottom position, be equipped with a plurality of draw-in grooves (50) that are cyclic annular equidistant range and be linked together with the external world in the upper surface of solid fixed ring (5), rubber fixture block (41) and correspond with it joint cooperation between draw-in groove (50).
4. The safe closed chemotherapy washpipe device according to claim 1, characterized in that: still be equipped with sealed pad (6) on the pipe wall of fixed pipe (2), sealed pad (6) with interference fit between injection pipe (12), still be equipped with grafting pipe (60) in fixed pipe (2), grafting pipe (60) with closely bond between the pipe wall of fixed pipe (2) has a plurality of lugs (61) that are cyclic annular equidistant range, grafting pipe (60) with the cooperation of pegging graft between injection pipe (12).
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|---|---|---|---|
| CN201910733822.3A CN110354364B (en) | 2019-08-09 | 2019-08-09 | Safe closed chemotherapy tube flushing device |
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|---|---|---|---|
| CN201910733822.3A CN110354364B (en) | 2019-08-09 | 2019-08-09 | Safe closed chemotherapy tube flushing device |
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| CN110354364A CN110354364A (en) | 2019-10-22 |
| CN110354364B true CN110354364B (en) | 2021-09-03 |
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| CN110354364A (en) | 2019-10-22 |
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