CN209092389U - Remaining needle - Google Patents
Remaining needle Download PDFInfo
- Publication number
- CN209092389U CN209092389U CN201820241157.7U CN201820241157U CN209092389U CN 209092389 U CN209092389 U CN 209092389U CN 201820241157 U CN201820241157 U CN 201820241157U CN 209092389 U CN209092389 U CN 209092389U
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- fixed part
- press section
- limiting
- ontology
- perfusion tube
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Abstract
The utility model provides a kind of remaining needle, including flexible tube base, perfusion tube, tongs, elastomer block and needle tubing component, the tongs include press section, fixed part, limited post and limit assembly, the press section is equipped with water stop portion towards the side of the fixed part, the water stop portion uses " V " shape structure, the water stop portion prevents liquid from passing through for clamping the perfusion tube, the side of the fixed part towards the press section is equipped with limiting stand, the limiting stand is for fixing the elastomer block, the elastomer block includes ontology and the limiting section set on the ontology two sides, the ontology is made of elastic material, and the ontology is equipped with limiting through hole towards the side of the limited post, the limiting through hole is for fixing the perfusion tube, the limiting section uses "u"-shaped, the limiting section is for the ontology and the sealing Fixation between folder, the utility model can continue to provide positive pressure effect, avoid the occurrence of plugging is caused in blood backflow to conduit.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of remaining needle.
Background technique
All medical fluids almost can be inputted human body by blood vessel by infusion, realize the purpose for treating and preventing disease, it is clinical in,
It is also the manipulation strength for mitigating medical staff to avoid the pain for repeatedly puncturing the damage for causing blood vessel and reducing patient, it is general
All over having used iv cannule technology, pain caused by the use of remaining needle can be reduced infant due to venipuncture repeatedly and right
The fear having an injection mitigates the impatience of parent, is convenient for clinical application, and anxious, critical patient rescue medication mitigates nurse's
Workload reduces infant pain, thus venous detaining needle faces this specific group of infant in wide clinical application, and vein stays
It sets the length of needle indwelling time and comfortable the problem of paying close attention to the most as nurse and parent of infant and remaining needle successfully uses
Mark and popularization premise.
Currently, the common remaining needle of medical field is by flexible tube base, perfusion tube, needle tubing component, conduit tube component, calparine cap and stops
The compositions such as water folder.When normal infusion, tongs are in the open state, cooperate calparine cap or end cap to be infused by infusion device；
When needing to suspend infusion, applying external force is closed tongs, and hose is clamped and medical fluid is made to be in disconnected by the boss in tongs
Stream mode.If misoperation, which will lead to, is retained in the intracorporal conduit generation blood back of people, this blood back is to be known to result in indwelling to lead
The immediate cause for generating blood coagulation in pipe, forming thrombus or blocking, this not only will affect subsequent infusion, it is also possible to can block capillary
Blood vessel even results in phlebitis, causes unnecessary malpractice.Therefore, in clinical transfusion, avoid blood backflow to conduit
Plugging is inside caused, is just particularly important.
Utility model content
Based on this, the purpose of this utility model is to provide it is a kind of can continue to provide positive-pressure function occur to avoid conduit it is stifled
The remaining needle of pipe phenomenon.
A kind of remaining needle, including flexible tube base, the perfusion tube being connect with the flexible tube base, the sealing on the perfusion tube
Folder, the elastomer block in the tongs and the needle tubing component connecting with the infusion pipe end, the tongs include pressing
Splenium, the fixed part being connect with the press section and the limited post being connect respectively with the press section, the fixed part and limit
Component, the limited post are equipped with water stop portion, institute towards the side of the fixed part for fixing the perfusion tube, the press section
Water stop portion is stated using " V " shape structure, the water stop portion prevents liquid from passing through for clamping the perfusion tube, the fixed part direction
The side of the press section is equipped with limiting stand, the limiting stand for fixing the elastomer block, the elastomer block include ontology and
Limiting section set on the ontology two sides, the ontology are made of elastic material, and the ontology is towards the limited post
Side is equipped with limiting through hole, and for the limiting through hole for fixing the perfusion tube, the limiting section uses "u"-shaped, described
Limiting section is for the fixation between the ontology and the tongs.
Above-mentioned remaining needle, due to the design of the elastomer block, medical fluid can slowly penetrate through institute by the elastomer block
It states tongs and enters internal blood vessel, so as to achieve the effect that lasting offer positive pressure, avoid in blood backflow to conduit and cause
The occurrence of plugging.
Further, the flexible tube base is equipped with end cap and calparine cap, and the needle tubing component includes catheter block, leads with described
Metal wedge, conduit and the sheath of tube socket connection, the batching pig connecting with the needle tubing and are set to the needle tubing in the sheath
The needle handle of the catheter block end.
Further, anti-skid chequer is equipped on the outer wall of the press section and the fixed part, the anti-skid chequer is for increasing
Frictional force on the big press section and the fixed part.
Further, the limit assembly includes the anti-dropout barb being respectively arranged on the press section and the fixed part
And clip, the anti-dropout barb vertically press section and fixed part extension backwards, the clip is set on described
The end of fixed part simultaneously extends towards the limiting stand, and the limit assembly is used between the press section and the fixed part
It is fixed.
Further, the press section and the top of the fixed part are all made of arcuate structure, and the ontology uses L shape
Structure.
Further, the length of the fixed part is greater than the length of the press section.
Further, limit hole is additionally provided on the fixed part, the limit hole is for fixing the perfusion tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the remaining needle that the utility model first embodiment provides；
Fig. 2 is the structural schematic diagram of tongs in Fig. 1；
Fig. 3 is the side structure schematic view of tongs in Fig. 2；
Fig. 4 is the structural schematic diagram of elastomer block in Fig. 1；
Essential element symbol description
| Remaining needle | 100 | Flexible tube base | 10 |
| End cap | 11 | Calparine cap | 12 |
| Perfusion tube | 20 | Tongs | 30 |
| Fixed part | 31 | Limit hole | 311 |
| Anti-skid chequer | 312 | Press section | 32 |
| Limited post | 33 | Water stop portion | 34 |
| Limiting stand | 35 | Clip | 36 |
| Anti-dropout barb | 37 | Extension | 38 |
| Elastomer block | 40 | Ontology | 41 |
| Limiting section | 42 | Limiting through hole | 43 |
| Catheter block | 50 | Sheath | 51 |
| Needle tubing | 52 | Batching pig | 53 |
| Needle handle | 54 | Conduit | 55 |
| Metal wedge | 56 |
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Several embodiments of the utility model are given in attached drawing.But this
Utility model can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these
The purpose of embodiment is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
Referring to Fig. 1, the structural schematic diagram of the remaining needle 100 provided for the utility model first embodiment, including hose
Seat 10, the tongs 30 on the perfusion tube 20, is set to the tongs at the perfusion tube 20 connecting with the flexible tube base 10
Elastomer block 40 in 30 and the needle tubing component connecting with 20 end of perfusion tube, the tongs 30 are used for the perfusion tube
20 carry out sealing clamping, to prevent the tube sealing for carrying out the remaining needle 100 from generating showing for blood back when operating in the perfusion tube 20
As.The elastomer block 40 is for preventing damage of the tongs 30 when being in clamp position to the perfusion tube 20.
Please refer to Fig. 2 to Fig. 3, the fixed part 31 that the tongs 30 include press section 32, connect with the press section 32
The limited post 33 and limit assembly connecting respectively with the press section 32, the fixed part 31, the press section 32 is for holding
The finger for carrying user is attached clamping towards the fixed part 31, when the tongs 30 are in clamp position, the pressing
Portion 32 is connected together with the fixed part 31, and the limited post 33 is for fixing the perfusion tube 20,32 direction of press section
The side of the fixed part 31 is equipped with water stop portion 34, and the water stop portion 34 uses " V " shape structure, and the water stop portion 34 is for clamping
The perfusion tube 20 prevents liquid from passing through, and the side of the fixed part 31 towards the press section 32 is equipped with limiting stand 35, described
Limiting stand 35 is for fixing the elastomer block 40, to prevent moving left and right for the elastomer block 40.
The limit assembly includes 37 He of anti-dropout barb being respectively arranged on the press section 32 and the fixed part 31
Clip 36, the anti-dropout barb 37 vertically press section 32 and the fixed part 31 extension backwards, the clip 36
Set on the fixed part 31 end and extend towards the limiting stand 35, when the anti-dropout barb 37 and the clip 36
When limit engaging, the water stop portion 34 presses the perfusion tube 20, to prevent the liquid in the perfusion tube 20 from flowing, institute at this time
State that tongs 30 are in clamped condition, the limit assembly for the fixation between the press section 32 and the fixed part 31,
And then effectively raise the stability of structure when the press section 32 is connect with the fixed part 31.
Referring to Fig. 4, the elastomer block 40 is including ontology 41 and is set to institute for the structural schematic diagram of elastomer block 40 in Fig. 1
The limiting section 42 of 41 two sides of ontology, the use of the ontology 41 L shape structure, and the ontology 41 are stated towards the limited post 33
Side is equipped with limiting through hole 43, and the limiting through hole 43 uses " u "-shaped knot for fixing the perfusion tube 20, the limiting section 42
Structure, the limiting section 42 is for the fixation between the ontology 41 and the tongs 30.
The flexible tube base 10 is equipped with end cap 11 and calparine cap 12, and the needle tubing component includes catheter block 50, leads with described
Tube socket 50 connect metal wedge 56, conduit 55 and sheath 51, the needle tubing 52 in the sheath 51, with 52 end of needle tubing
The batching pig 53 of connection and needle handle 54 set on 50 end of catheter block, the outer wall of the press section 32 and the fixed part 31
On be equipped with anti-skid chequer 312, the anti-skid chequer 312 is used to increase the frictional force on the press section 32 and the fixed part 31,
The skidding between operator's finger and the press section 32 and the fixed part 31 is prevented in turn.
In addition, the end of fixed part 31 described in the present embodiment is equipped with extension 38 backwards to one end of the clip 36,
The extension 38 extends backwards to the clip 36, the extension 38 for increase the fixed part 31 and user's finger it
Between contact area, the top of the press section 32 and the fixed part 31 is all made of arcuate structure, and the ontology 41 uses bullet
Property material be made, be additionally provided with limit hole 311 on the fixed part 31, the limit hole 311 is for fixing the perfusion tube 20, institute
The length for stating fixed part 31 is greater than the length of the press section 32.
The working principle of the present embodiment are as follows:
1, when normal infusion, 30 state of tongs is in an open state, mode of operation and common remaining needle product in the market
It is identical.Medical fluid enters perfusion tube 20 by flexible tube base 10 and passes through conduit into catheter block 50 by the tongs 30 of opening state
Into inside human vas.
2, stop after removing the transfusion needle on calparine cap 12 after being infused, use the band needle injection of the 5mL with tube-sealing solution
It punctures and connects with calparine cap 12, inject tube-sealing solution.Tongs 30 are clamped as also surplus 1mL of tube-sealing solution or so, then needle point side is moved back
Side injecting fluid makes 20 Chinese medicine liquid of perfusion tube generate positive pressure pressure until liquid is all injected to finish.Pressure is generated in tube-sealing solution
Afterwards, enter catheter block 50 by leading because elastomer block 40 can slowly penetrate through tongs 30 there are its medical fluid by elastomer block 40
Pipe enters inside human vas.
The structure of the present embodiment does not change the structure of original venous detaining needle, for medical staff provide it is easy to operate, have
Effect property height, the reliable medical product of safety, its technique of the present embodiment is easily achieved, is easily worked, effectively reliable with safety,
With mass production and it can be widely used in clinic, and generate positive-pressure function by the tongs 30, can avoid blood back in conduit
And embolism, tube sealing effect is good, effectively extends indwelling time, advantage safe and reliable, easy to operate, and by described anti-
Fall off the design of barb 37 and the clip 36, so that using the side of pressing between the press section 32 and the fixed part 31
Formula is attached fixation, and when the anti-dropout barb 37 and the clip 36 are connected together, the tongs 30 are in folder
Tight state effectively plays the effect of tube sealing, by the design of the limiting section 42, has for clamping the perfusion tube 20
The stability for improving structure between the elastomer block 40 and the fixed part 31 of effect.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of remaining needle, it is characterised in that: including flexible tube base, the perfusion tube connecting with the flexible tube base, be set to the infusion
Tongs on pipe, the elastomer block in the tongs and the needle tubing component being connect with the infusion pipe end, it is described to stop
Water folder includes press section, the fixed part connecting with the press section and the limit connecting respectively with the press section, the fixed part
Position column and limit assembly, for fixing the perfusion tube, the side of the press section towards the fixed part is set the limited post
There is water stop portion, the water stop portion uses " V " shape structure, and the water stop portion prevents liquid from passing through for clamping the perfusion tube, institute
The side for stating fixed part towards the press section is equipped with limiting stand, and the limiting stand is for fixing the elastomer block, the elasticity
Block includes ontology and the limiting section set on the ontology two sides, and the ontology is made of elastic material, and the ontology direction
The side of the limited post is equipped with limiting through hole, and the limiting through hole uses " U " for fixing the perfusion tube, the limiting section
Shape structure, the limiting section is for the fixation between the ontology and the tongs.
2. remaining needle according to claim 1, it is characterised in that: the flexible tube base is equipped with end cap and calparine cap, described
Needle tubing component include catheter block, the metal wedge being connect with the catheter block, conduit and sheath, the needle tubing in the sheath,
The batching pig being connect with the needle tubing and the needle handle set on the catheter block end.
3. remaining needle according to claim 1, it is characterised in that: be all provided on the outer wall of the press section and the fixed part
There is anti-skid chequer, the anti-skid chequer is used to increase the frictional force on the press section and the fixed part.
4. remaining needle according to claim 1, it is characterised in that: the limit assembly includes being respectively arranged on the press section
With the anti-dropout barb and clip on the fixed part, the anti-dropout barb vertically press section and the fixation backwards
Portion extends, and the clip is set to the end of the fixed part and extends towards the limiting stand, and the limit assembly is used for institute
State the fixation between press section and the fixed part.
5. remaining needle according to claim 1, it is characterised in that: the press section and the top of the fixed part are all made of
Arcuate structure, the ontology use L shape structure.
6. remaining needle according to claim 1, it is characterised in that: the length of the fixed part is greater than the length of the press section
Degree.
7. remaining needle according to claim 1, it is characterised in that: be additionally provided with limit hole, the limit on the fixed part
Hole is for fixing the perfusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241157.7U CN209092389U (en) | 2018-02-11 | 2018-02-11 | Remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241157.7U CN209092389U (en) | 2018-02-11 | 2018-02-11 | Remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209092389U true CN209092389U (en) | 2019-07-12 |
Family
ID=67148551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820241157.7U Active CN209092389U (en) | 2018-02-11 | 2018-02-11 | Remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209092389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048132A1 (en) * | 2020-09-02 | 2022-03-10 | 苏州林华医疗器械股份有限公司 | Continuous positive pressure maintaining needle |
-
2018
- 2018-02-11 CN CN201820241157.7U patent/CN209092389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048132A1 (en) * | 2020-09-02 | 2022-03-10 | 苏州林华医疗器械股份有限公司 | Continuous positive pressure maintaining needle |
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