CN110354364A - A kind of safety closes chemotherapy tube flushing device - Google Patents

A kind of safety closes chemotherapy tube flushing device Download PDF

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Publication number
CN110354364A
CN110354364A CN201910733822.3A CN201910733822A CN110354364A CN 110354364 A CN110354364 A CN 110354364A CN 201910733822 A CN201910733822 A CN 201910733822A CN 110354364 A CN110354364 A CN 110354364A
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CN
China
Prior art keywords
outlet tube
hole
tube
pipe
syringe
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Granted
Application number
CN201910733822.3A
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Chinese (zh)
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CN110354364B (en
Inventor
陆筠
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Nanjing Childrens Hospital of Nanjing Medical University
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Nanjing Childrens Hospital of Nanjing Medical University
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Priority to CN201910733822.3A priority Critical patent/CN110354364B/en
Publication of CN110354364A publication Critical patent/CN110354364A/en
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Publication of CN110354364B publication Critical patent/CN110354364B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0019Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention relates to chemotherapeutic treatment technical fields, specially a kind of safety closes chemotherapy tube flushing device, including syringe, syringe is equipped with fixing pipe, the end of fixing pipe is equipped with check valve, check valve is equipped with the first outlet tube, first outlet tube is equipped with the second outlet tube, first outlet tube is equipped with threeway regulating device, threeway regulating device includes the rubber column closely bonded on the first outlet tube tube wall and the knob being arranged in outside the first outlet tube, the end of screw rod is equipped with sealing pillar, the top surface of syringe shell equipped with medicine-pouring pipe is equipped with multiple clamping apparatus annularly equidistantly arranged.Operation of the present invention is simple and fast, is convenient for washing pipe operation, and without frequently removing syringe, mitigates the work load of medical staff.

Description

A kind of safety closes chemotherapy tube flushing device
Technical field
The present invention relates to chemotherapeutic treatment technical field, specially a kind of safety closes chemotherapy tube flushing device.
Background technique
When carrying out chemotherapeutic treatment to patient, in order to avoid puncture working is repeated, specific needle tubing can generally be set In patient's body, but, there are some complication in while setting pipe in order to prevent, needs periodically to carry out washing pipe processing to ductus venosus, It carries out needing to use washing pipe device when washing pipe operation, but general washing pipe device is when in use, single can only be to a root canal road Washing pipe is carried out, needs staff to take or remove repeatedly syringe, more inconvenience is brought to staff.In consideration of it, It is proposed that a kind of safety closes chemotherapy tube flushing device.
Summary of the invention
The purpose of the present invention is to provide a kind of safety to close chemotherapy tube flushing device, mentioned above in the background art to solve When in use, single can only carry out washing pipe to a root canal road to general washing pipe device, and staff is needed to take or take repeatedly Lower syringe, and then bring the problem of more inconvenience to staff.
To achieve the above object, the invention provides the following technical scheme:
A kind of safety closes chemotherapy tube flushing device, including syringe, and the syringe is equipped with fixing pipe, the fixing pipe End is equipped with check valve, and the check valve is equipped with the first outlet tube, and first outlet tube is equipped with the second outlet tube, described First outlet tube is equipped with threeway regulating device.
As a preference of the present invention, first outlet tube is an integral molding structure with second outlet tube, described One outlet tube and second outlet tube collectively form a complete tee tube.
As a preference of the present invention, the syringe includes syringe shell, the surface of the syringe shell is equipped with edge The graduation mark of syringe shell length direction setting, the top of the syringe shell be equipped with medicine-pouring pipe, the injection Pipe is an integral molding structure with the syringe shell, and the medicine-pouring pipe is connected with the storage chamber inside the syringe shell It is logical, pressing handle is equipped in the syringe shell, the top of the pressing handle is equipped with piston, the piston and the injection It is slidably connected between device shell, the piston is an integral molding structure with the pressing handle.
As a preference of the present invention, mating between the medicine-pouring pipe and the fixing pipe.
As a preference of the present invention, the tube wall of first outlet tube is equipped with the threaded hole being connected with the external world, it is described The position of threaded hole described in face is equipped with the first through hole being connected with the external world, the first through hole on the tube wall of first outlet tube It is connected with second outlet tube.
As a preference of the present invention, the threeway regulating device includes closely bonding on the first outlet tube tube wall Rubber column and the knob being arranged in outside first outlet tube, the position of threaded hole described in face is equipped in the rubber column Horizontal setting and the second through-hole being connected with the external world, second through-hole, the threaded hole and the first through hole Three is arranged concentrically and is interconnected each other, is equipped with close to the hole wall of second through-hole of the threaded hole and connects up and down The first logical liquid-passing hole, first liquid-passing hole are connected with first outlet tube, close to described the of the first through hole The bottom hole wall of two through-holes is equipped with the second liquid-passing hole being connected with the external world, and the annular side of the knob is equipped with several The annularly anti-skid bulge that equidistantly arranges, the position of threaded hole described in face is equipped with screw rod on the knob, and the screw rod is worn It crosses the threaded hole and is threadedly coupled between the threaded hole, the end of the screw rod is equipped with sealing pillar, and the sealing is convex Column is located inside second through-hole, and the size of the sealing pillar is adapted with the size of second through-hole.
As a preference of the present invention, the length of the sealing pillar is greater than the aperture of first liquid-passing hole, described second The sum of minimum range between the aperture of liquid-passing hole and first liquid-passing hole and second liquid-passing hole.
As a preference of the present invention, the top surface for being equipped with the syringe shell of medicine-pouring pipe is equipped between multiple grades annular in shape Clamping apparatus away from arrangement, the clamping apparatus includes the fixed block closely bonded on the syringe shell top surface, close The side of the fixed block of the medicine-pouring pipe is equipped with rubber fixture block.
As a preference of the present invention, the fixing pipe is equipped with fixed ring, the fixation close to the tube body of its bottom position The card slots for being equipped with multiple arrangements annular in shape equidistant in the upper surface of ring and being connected with the external world, the rubber fixture block and right therewith It is engaged by clamping between the card slot answered.
As a preference of the present invention, gasket is additionally provided on the tube wall of the fixing pipe, the gasket and the injection It is interference fitted between pipe, insertion pipe is additionally provided in the fixing pipe, it is close between the insertion pipe and the tube wall of the fixing pipe Multiple convex blocks annularly equidistantly arranged are bonded with, it is mating between the insertion pipe and the medicine-pouring pipe.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention can be gone out the first outlet tube and second by the first outlet tube and the second outlet tube of setting Liquid pipe is mounted in corresponding resident conduit, and is controlled fixing pipe with the first outlet tube by rotation knob and be connected to or fix Pipe is connected to the second outlet tube, is not needed in the case where removing syringe to reach single, is set pipe to two and is carried out washing pipe Processing, facilitates operation, reduces the workload of staff, solve general washing pipe device when in use, single can only be to one Root canal road carries out washing pipe, needs staff to take or remove repeatedly syringe, and then bring more inconvenience to staff The problem of.
2, the present invention guarantees to fix between fixing pipe and medicine-pouring pipe more firm by the clamping apparatus and card slot of setting Gu being further ensured that fixing pipe is not easy to take off from medicine-pouring pipe additionally by mating between the insertion pipe and medicine-pouring pipe of setting It falls, guarantees that its overall structure is stronger, solve general washing pipe device when in use, be easy to appear fixing pipe from medicine-pouring pipe On the problem of falling off.
3, the present invention realizes that the end progress to the first outlet tube and the second outlet tube is close by the sealing cover of setting Envelope avoids the end of the first outlet tube and the second outlet tube from being directly exposed to outer, causes the first outlet tube and second goes out liquid Manage in bacteria breed, certain threat is brought to patient health, solve be not provided on the pipeline on general washing pipe device it is close The problem of covering, and then be easy to causeing bacteria breed, influence patient health.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the explosive view of the embodiment of the present invention 1;
Fig. 3 is the cross-sectional view of the first outlet tube of the invention;
Fig. 4 is the cross-sectional view of rubber column of the present invention;
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2
Fig. 6 is the enlarged drawing in Fig. 5 of the present invention at A;
Fig. 7 is the structural schematic diagram of clamping apparatus of the present invention;
Fig. 8 is the bottom view of fixing pipe of the present invention and fixed ring;
Fig. 9 is the structural schematic diagram of insertion pipe of the present invention and convex block;
Figure 10 is the structural schematic diagram of the embodiment of the present invention 3;
Figure 11 is the bottom view of sealing cover of the present invention;
Figure 12 is the structural schematic diagram of the embodiment of the present invention 4;
Figure 13 is the bottom view of upper shield of the present invention.
In figure: 1, syringe;10, syringe shell;11, graduation mark;12, medicine-pouring pipe;13, handle is pressed;131, piston; 2, fixing pipe;20, check valve;21, the first outlet tube;211, threaded hole;212, first through hole;22, the second outlet tube;3, threeway Regulating device;30, rubber column;301, the second through-hole;302, the first liquid-passing hole;303, the second liquid-passing hole;31, knob;311, prevent Sliding protrusion;312, screw rod;313, pillar is sealed;4, clamping apparatus;40, fixed block;41, rubber fixture block;5, fixed ring;50, block Slot;6, gasket;60, insertion pipe;61, convex block;7, sealing cover;70, anti-slip layer;71, ring screw slot;72, inserting column;721, close Sealing;8, upper shield;80, annular groove;81, skid resistance strip.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
Embodiment 1
A kind of safety closes chemotherapy tube flushing device, and as shown in Figures 1 to 4, including syringe 1, syringe 1 include outside syringe Shell 10, the surface of syringe shell 10 are equipped with the graduation mark 11 being arranged along 10 length direction of syringe shell, syringe shell 10 be transparent material, convenient for observing specific liquid volume in syringe shell 10 by graduation mark 11 and through syringe shell 10;
The top of syringe shell 10 is equipped with medicine-pouring pipe 12, and medicine-pouring pipe 12 is an integral molding structure with syringe shell 10, Medicine-pouring pipe 12 is connected with the storage chamber inside syringe shell 10, and pressing handle 13, pressing are equipped in syringe shell 10 The top of handle 13 is equipped with piston 131, is slidably connected between piston 131 and syringe shell 10, piston 131 and pressing handle 13 It is an integral molding structure;Syringe 1 is equipped with fixing pipe 2, mating between medicine-pouring pipe 12 and fixing pipe 2, convenient to injection Pipe 12 and fixing pipe 2 are installed, while also easy to disassemble;
The end of fixing pipe 2 is equipped with check valve 20, guarantees when pushing piston 131 forward, in syringe shell 10 Liquid can only be flowed out outward along check valve 20, medical fluid cannot flow back into syringe shell 10;Check valve 20 is equipped with the One outlet tube 21, the first outlet tube 21 are equipped with the second outlet tube 22, and the first outlet tube 21 and the second outlet tube 22 are integrated into Type structure, the first outlet tube 21 and the second outlet tube 22 collectively form a complete tee tube, are convenient for the first outlet tube 21 And second outlet tube 22 set pipe with the external world and connect, realize that setting pipe to the external world carries out washing pipe operation;
The tube wall of first outlet tube 21 be equipped with the threaded hole 211 that is connected of the external world, on the tube wall of the first outlet tube 21 The position of face threaded hole 211 is equipped with the first through hole 212 being connected with the external world, first through hole 212 and 22 phase of the second outlet tube Connection guarantees that the liquid entered in first through hole 212 is able to enter into the second outlet tube 22, and along the second outlet tube 22 Outflow;
First outlet tube 21 is equipped with threeway regulating device 3, and threeway regulating device 3 includes closely bonding in the first outlet tube Rubber column 30 on 21 tube walls and the knob 31 being arranged in outside the first outlet tube 21, face threaded hole 211 in rubber column 30 Position be equipped with horizontal setting and with the second through-hole 301 for being connected of the external world, the second through-hole 301, threaded hole 211 and the One through-hole, 212 three is arranged concentrically and is interconnected each other, sets on the hole wall of the second through-hole 301 of threaded hole 211 There is the first liquid-passing hole 302 being connected to up and down, the first liquid-passing hole 302 is connected with the first outlet tube 21, close to first through hole 212 The bottom hole wall of second through-hole 301 is equipped with the second liquid-passing hole 303 being connected with the external world, face threaded hole 211 on knob 31 Position be equipped with screw rod 312, knob 31 is an integral molding structure with screw rod 312, guarantees that its structure is stronger, be hardly damaged; Screw rod 312 is threadedly coupled across threaded hole 211 and threaded hole 211, and the end of screw rod 312 has closely bonded sealing pillar 313, sealing pillar 313 is located inside the second through-hole 301, and the size of the size and the second through-hole 301 that seal pillar 313 is mutually fitted Match, guarantee to fit closely between the annular side of sealing pillar 313 and the hole wall of the second through-hole 301, to guarantee to seal pillar 313 liquid cannot be from the first liquid-passing hole 302 or when by the first liquid-passing hole 302, perhaps the second liquid-passing hole 303 is blocked It is flowed out in two liquid-passing holes 303.
In the present embodiment, the annular side of knob 31 is equipped with several anti-skid bulges 311 annularly equidistantly arranged, Anti-skid bulge 311 is an integral molding structure with knob 31, guarantees that its structure is stronger, and the anti-skid bulge 311 by being arranged, The case where making staff's turning knob 31 more smoothly, being not in skidding.
Specifically, the length of sealing pillar 313 be greater than the aperture of the first liquid-passing hole 302, the second liquid-passing hole 303 aperture with And the first the sum of minimum range between liquid-passing hole 302 and the second liquid-passing hole 303, when turning knob 31 to knob 31 is towards outside When mobile, at this point, sealing pillar 313 is mobile towards the direction of the first liquid-passing hole 302, when turning knob 31 to knob 31 not When capable of being further continued for rotation, the left side for sealing pillar 313 at this time is just against on the left side tube wall of the first outlet tube 21, this When, sealing pillar 313 blocks the first liquid-passing hole 302, and seals pillar 313 and do not block the second liquid-passing hole 303, i.e., second is logical Fluid apertures 303 is connected with the second through-hole 301, pushes piston 131 at this time, the liquid in syringe shell 10 can be along fixing pipe 2 And second liquid-passing hole 303 enter in the second through-hole 301, and flowed out from the second outlet tube 22, realize and go out liquid to second It sets pipe and carries out washing pipe operation in the external world that pipe 22 connects;When backwards rotation knob 31, knob 31 can be towards the first outlet tube 21 Direction movement, at this point, sealing pillar 313 can towards the second liquid-passing hole 303 direction move, when turning knob 31 to knob 31 not When capable of being further continued for rotation, at this point, the right side of sealing pillar 313 is just against on the right side tube wall of the first outlet tube 21, Sealing pillar 313 blocks the second liquid-passing hole 303, and seals pillar 313 and do not block the first liquid-passing hole 302, at this point, first is logical Fluid apertures 302 is connected with the second through-hole 301, then pushes piston 131, the liquid in syringe shell 10 can along fixing pipe 2 with And first liquid-passing hole 302 enter in the second through-hole 301, and along the top of the first liquid-passing hole 302 from the first outlet tube 21 Outflow realizes that setting pipe to the external world connecting with the first outlet tube 21 carries out washing pipe operation;When turning knob 31 to knob 31 towards When outside is mobile, and sealing pillar 313 is just in the middle position in the second through-hole 301 at this time, at this point, sealing pillar 313 just realize the first liquid-passing hole 302 and the second liquid-passing hole 303 to blocking, at this point, medical fluid cannot be from the first outlet tube 21 And second flow out in outlet tube 22.
In the present embodiment, by the first outlet tube 21 and the second outlet tube 22 of setting, by the first outlet tube 21 and Second outlet tube 22 is set pipe with the external world and is connect, and the syringe 1 for containing medical fluid is mounted in fixing pipe 2, by rotating knob 31, pipe connection, then injection liquid are set to control the first outlet tube 21 or the second outlet tube 22 with the corresponding external world, is realized to right The pipe of setting answered carries out washing pipe operation, easy to use, solves general washing pipe device when in use, single can only be to a root canal road Washing pipe is carried out, needs staff to take or remove repeatedly syringe, and then bring the problem of more inconvenience to staff.
Embodiment 2
It is stronger in order to guarantee to fix between medicine-pouring pipe 12 and fixing pipe 2 as second of embodiment of the invention, The present invention staff makes improvements syringe shell 10 and fixing pipe 2, as a kind of preferred embodiment, such as Fig. 5 to Fig. 9 institute Show, is set on the top surface of the syringe shell 10 equipped with medicine-pouring pipe 12 there are four the clamping apparatus 4 annularly equidistantly arranged, be clamped Device 4 includes closely bonding the fixed block 40 on 10 top surface of syringe shell, close to the side of the fixed block 40 of medicine-pouring pipe 12 It is equipped with rubber fixture block 41, fixed block 40 is an integral molding structure with rubber fixture block 41, and fixed block 40 and rubber fixture block 41 It is all made of rubber material to be made, rubber material has preferable elasticity, and certain deformation can occur, facilitate rubber fixture block 41 It snaps onto corresponding card slot 50;
Fixing pipe 2 is equipped with fixed ring 5 close to the tube body of its bottom position, and fixed ring 5 and fixing pipe 2 are integrally formed knot Structure guarantees that its structure is stronger, is hardly damaged;Be equipped in the upper surface of fixed ring 5 multiple arrangements annular in shape equidistant and with The card slot 50 that the external world is connected, is engaged by clamping between rubber fixture block 41 and corresponding card slot 50, specifically, due to fixed block 40 and rubber fixture block 41 all have preferable elasticity, the size of rubber fixture block 41 is adapted with the size of card slot 50, will fix When ring 5 is pressed on syringe shell 10, the bottom surface of fixed ring 5 can be against on the inclined side on rubber fixture block 41, with after Continuous to push fixed ring 5, fixed ring 5 can squeeze fixed block 40 and rubber fixture block 41 towards outside, at this point, fixed block 40 and Rubber fixture block 41 can deformation occurs towards outside, when fixed ring 5 is just pressed on syringe shell 10, at this point, fixed block 40 and rubber fixture block 41 can restore to the original state, the vertical section block of rubber fixture block 41 can smoothly snap onto card slot 50.
It is additionally provided with gasket 6 on the tube wall of fixing pipe 2, is interference fitted between gasket 6 and medicine-pouring pipe 12, increases fixing pipe Leakproofness between 2 and medicine-pouring pipe 12 makes to be not in the case where liquid is revealed between fixing pipe 2 and medicine-pouring pipe 12;
It is additionally provided with insertion pipe 60 in fixing pipe 2, has been closely bonded between insertion pipe 60 and the tube wall of fixing pipe 2 multiple in ring The convex block 61 that shape equidistantly arranges, the one side of convex block 61 closely bond on insertion pipe 60, and the another side of convex block 61 is close It is bonded in fixing pipe 2, guarantees that its structure is stronger;It is mating between insertion pipe 60 and medicine-pouring pipe 12, and insertion pipe 60 Outer surface and the tube wall of medicine-pouring pipe 12 fit closely, be further ensured that the leakproofness between insertion pipe 60 and medicine-pouring pipe 12 is good It is good.
It is solid between fixing pipe 2 and medicine-pouring pipe 12 to make by the clamping apparatus 4 and card slot 50 of setting in the present embodiment Fixed is stronger, additionally by the gasket 6 and insertion pipe 60 of setting, to guarantee between fixing pipe 2 and medicine-pouring pipe 12 The case where leakproofness is good, is not in liquid leakage, solves general washing pipe device when in use, is easy to appear fixing pipe The problem of falling off from medicine-pouring pipe.
Embodiment 3
As the third embodiment of the invention, in order to guarantee the end of the first outlet tube 21 and the second outlet tube 22 not Outside being directly exposed to, the present invention staff makes improvements the first outlet tube 21 and the second outlet tube 22, as a kind of preferred Embodiment is equipped with sealing cover on the end tube body of the first outlet tube 21 and the second outlet tube 22 as shown in Figure 10 and Figure 11 7, the surface of sealing cover 7 is equipped with anti-slip layer 70, increases the frictional force between sealing cover 7 and finger, keeps rotary seal lid 7 more suitable Benefit, the case where being less prone to skidding;Be equipped with the ring screw slot 71 being connected with the external world in sealing cover 7, the first outlet tube 21 with And second outlet tube 22 end tube body on be equipped with external screw thread, on 22 end tube body of the first outlet tube 21 and the second outlet tube External screw thread be threadedly coupled with the ring screw slot 71 in corresponding sealing cover 7, it is convenient when needed to twist sealing cover 7 Under, while when not in use, also facilitate and sealing cover 7 is screwed on the first outlet tube 21 or the second outlet tube 22.
In the present embodiment, the inserting column 72 of setting in a vertical shape is also closely bonded on the roof of ring screw slot 71, wherein It is mating between inserting column 72 and the first outlet tube 21 on one sealing cover 7, the inserting column 72 on another sealing cover 7 and Mating between two outlet tubes 22, realization blocks the first outlet tube 21 and the second outlet tube 22, and inserting column 72 Surface is equipped with sealant 721, is between the tube wall of the tube wall and the second outlet tube 22 of sealant 721 and the first outlet tube 21 Interference fit, makes bacterium not enter the inside of the first outlet tube 21 and the second outlet tube 22, so as to effectively subtract The growth of few bacterium.
In the present embodiment, by the sealing cover 7 of setting, when not in use, corresponding sealing cover 7 is screwed into first and goes out liquid Pipe 21 perhaps on the second outlet tube 22 and guarantees that inserting column 72 is inserted into corresponding first outlet tube 21 or the second outlet tube 22 On, the first outlet tube 21 and the second outlet tube 22 are blocked to realize, can effectively reduce the growth of bacterium, is solved It has determined and has been not provided with sealing cover on the pipeline on general washing pipe device, and then be easy to cause bacteria breed, influenced patient health Problem.
Embodiment 4
As the 4th kind of embodiment of the invention, in order to guarantee that the medicine-pouring pipe 12 on syringe 1 when not in use will not be straight It connecing outside being exposed to, the present invention staff makes improvements medicine-pouring pipe 12, as a kind of preferred embodiment, as shown in Figure 12 and Figure 13, Medicine-pouring pipe 12 is equipped with upper shield 8, the annular groove 80 being connected with the external world is equipped in upper shield 8, between medicine-pouring pipe 12 and annular groove 80 It is mating, including protecting medicine-pouring pipe 12 using upper shield 8, medicine-pouring pipe 12 can effectively be avoided to be directly exposed to outer and cause The case where bacteria breed, occurs.
In the present embodiment, the surface of upper shield 8 is equipped with skid resistance strip 81, conducive to the frictional force increased between finger and upper shield 8, The phenomenon that being less prone to skidding when making to hold upper shield 8.
It,, can be 8 sets by upper shield when removing syringe 1 from fixing pipe 2 by the upper shield 8 of setting in the present embodiment On the medicine-pouring pipe 12 on syringe 1, so that medicine-pouring pipe 12 be avoided to be directly exposed to outer and cause bacteria breed, solve general Washing pipe device on syringe on lack protective case, be easy to cause 12 position of medicine-pouring pipe to be exposed to outer, what is be contaminated by bacterial asks Topic.
Safety of the invention closes chemotherapy tube flushing device before use, the upper shield 8 on medicine-pouring pipe 12 is removed, and utilizes syringe 1 suction corresponding washing pipe medical fluid after aspiration medicinal liquid, fixed ring 5 is pressed on syringe shell 10, rubber fixture block 41 is made It snaps onto card slot 50, and guarantees that insertion pipe 60 is inserted into medicine-pouring pipe 12, then sealing cover 7 is removed, by the first outlet tube 21 And second outlet tube 22 connect with extraneous resident conduit;
When in use, need to carry out washing pipe operation is that pipe is set in which root external world for judgement, is rotated further by knob 31 to corresponding the One liquid-passing hole 302 and the first outlet tube 21 are connected or the second liquid-passing hole 303 is connected with corresponding second outlet tube 22, Pressing handle 13 is injected again, at this point, piston 131 is moved with the movement of pressing handle 13, realization will be in syringe shell 10 Medical fluid is released, and the medical fluid after release can enter in corresponding first outlet tube 21 or the second outlet tube 22, is realized to the external world It sets pipe and carries out washing pipe processing, facilitate operation, solve general washing pipe device when in use, single can only carry out a root canal road Washing pipe needs staff to take or remove repeatedly syringe, and then the problem of more inconvenience is brought to staff.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute Attached claims and its equivalent thereof.

Claims (10)

1. a kind of safety closes chemotherapy tube flushing device, including syringe (1), it is characterised in that: the syringe (1), which is equipped with, fixes It manages (2), the end of the fixing pipe (2) is equipped with check valve (20), and the check valve (20) is equipped with the first outlet tube (21), institute The first outlet tube (21) are stated equipped with the second outlet tube (22), first outlet tube (21) is equipped with threeway regulating device (3).
2. safety according to claim 1 closes chemotherapy tube flushing device, it is characterised in that: first outlet tube (21) and institute It states the second outlet tube (22) to be an integral molding structure, first outlet tube (21) collectively forms with second outlet tube (22) One complete tee tube.
3. safety according to claim 1 closes chemotherapy tube flushing device, it is characterised in that: the syringe (1) includes injection Device shell (10), the surface of the syringe shell (10) are equipped with the quarter being arranged along the syringe shell (10) length direction It spends line (11), the top of the syringe shell (10) is equipped with medicine-pouring pipe (12), outside the medicine-pouring pipe (12) and the syringe Shell (10) is an integral molding structure, and the medicine-pouring pipe (12) storage chamber internal with the syringe shell (10) is connected, Pressing handle (13) is equipped in the syringe shell (10), the top of pressing handle (13) is equipped with piston (131), described It is slidably connected between piston (131) and the syringe shell (10), the piston (131) and the pressing handle (13) are one Forming structure.
4. safety according to claim 3 closes chemotherapy tube flushing device, it is characterised in that: the medicine-pouring pipe (12) with it is described solid It is mating between fixed pipe (2).
5. safety according to claim 1 closes chemotherapy tube flushing device, it is characterised in that: the pipe of first outlet tube (21) Wall is equipped with the threaded hole (211) being connected with the external world, threaded hole described in face on the tube wall of first outlet tube (21) (211) position is equipped with the first through hole (212) being connected with the external world, the first through hole (212) and second outlet tube (22) it is connected.
6. safety according to claim 5 closes chemotherapy tube flushing device, it is characterised in that: threeway regulating device (3) packet It includes and closely bonds the rubber column (30) on the first outlet tube (21) tube wall and be arranged in first outlet tube (21) External knob (31), the position of threaded hole (211) described in the interior face of the rubber column (30) be equipped with horizontal setting and with The second through-hole (301) that the external world is connected, second through-hole (301), the threaded hole (211) and the first through hole (212) three is arranged concentrically and is interconnected each other, second through-hole (301) of close threaded hole (211) Hole wall is equipped with the first liquid-passing hole (302) being connected to up and down, first liquid-passing hole (302) and the first outlet tube (21) phase Connection, the bottom hole wall close to second through-hole (301) of the first through hole (212) are equipped with the to be connected with the external world Two liquid-passing holes (303), the annular side of the knob (31) are equipped with several anti-skid bulges annularly equidistantly arranged (311), the position of threaded hole (211) described in face is equipped with screw rod (312) on the knob (31), and the screw rod (312) passes through The threaded hole (211) is simultaneously threadedly coupled between the threaded hole (211), and it is convex that the end of the screw rod (312) is equipped with sealing Column (313), the sealing pillar (313) are located at that second through-hole (301) is internal, the size of sealing pillar (313) with The size of second through-hole (301) is adapted.
7. safety according to claim 6 closes chemotherapy tube flushing device, it is characterised in that: the length of sealing pillar (313) Degree is greater than the aperture of first liquid-passing hole (302), the aperture of second liquid-passing hole (303) and first liquid-passing hole (302) the sum of the minimum range between second liquid-passing hole (303).
8. safety according to claim 4 closes chemotherapy tube flushing device, it is characterised in that: be equipped with the note of medicine-pouring pipe (12) The top surface of emitter shell (10) is equipped with multiple clamping apparatus (4) annularly equidistantly arranged, and the clamping apparatus (4) includes The fixed block (40) on the syringe shell (10) top surface is closely bonded, the fixed block close to the medicine-pouring pipe (12) (40) side is equipped with rubber fixture block (41).
9. safety according to claim 8 closes chemotherapy tube flushing device, it is characterised in that: the fixing pipe (2) is close to its bottom The tube body of portion position is equipped with fixed ring (5), be equipped in the upper surface of the fixed ring (5) it is multiple it is annular in shape equidistantly arrange and The card slot (50) being connected with the external world, is engaged by clamping between the rubber fixture block (41) and the corresponding card slot (50).
10. safety according to claim 4 closes chemotherapy tube flushing device, it is characterised in that: on the tube wall of the fixing pipe (2) It is additionally provided with gasket (6), is interference fitted between the gasket (6) and the medicine-pouring pipe (12), also set in the fixing pipe (2) Have insertion pipe (60), closely bonded between the insertion pipe (60) and the tube wall of the fixing pipe (2) it is multiple it is annular in shape etc. between Convex block (61) away from arrangement, it is mating between the insertion pipe (60) and the medicine-pouring pipe (12).
CN201910733822.3A 2019-08-09 2019-08-09 Safe closed chemotherapy tube flushing device Active CN110354364B (en)

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ES1083904U (en) * 2013-06-14 2013-07-02 Pablo ESTEBAN PEREZ Urinary catheter (Machine-translation by Google Translate, not legally binding)
WO2015121602A1 (en) * 2014-02-14 2015-08-20 The Queen Elizabeth Hospital King's Lynn Nhs Foundation Trust Disinfecting device
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