CN108478899A - Can repeatedly washing pipe remaining needle - Google Patents
Can repeatedly washing pipe remaining needle Download PDFInfo
- Publication number
- CN108478899A CN108478899A CN201810138567.3A CN201810138567A CN108478899A CN 108478899 A CN108478899 A CN 108478899A CN 201810138567 A CN201810138567 A CN 201810138567A CN 108478899 A CN108478899 A CN 108478899A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- remaining needle
- hose
- wedge
- rabbet joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
Abstract
The present invention disclose it is a kind of can multiple washing pipe remaining needle, including indwelling needle（4）, indwelling needle（4）Inlet on side wall（5）With extension hose（3）, further include the sleeve with tube chamber（2）With can to extend hose（3）Form the liquid stopping clamp of pinching effect（1）.The remaining needle one-hand operation, it is simple and easy to use, negative pressure is not will produce in operating process middle pipe, backflow of blood can be effectively prevent, while the extension hose between liquid stopping clamp and needle body can be avoided to be squeezed or deform.The remaining needle of the present invention can effectively prevent and form thrombus and blocking in inlying catheter, and be convenient for the washing pipe during indwelling and secondary tube sealing.
Description
Technical field
The invention belongs to medical transfusion instrument technical fields, and in particular to it is a kind of can repeatedly washing pipe remaining needle, the indwelling
Needle set has the fluid stopping device of specific structure.
Background technology
In existing indwelling needle assembly, extension hose overcoat thereon is connected to sheet flow-stopping clip, using as fluid stopping device.Fluid stopping
Folder is intermediate to be provided with the wedge-shaped line of rabbet joint, in use, two hands gently pinch the extension hose of flow-stopping clip both sides respectively, flow-stopping clip is promoted with thumb,
Extend hose and be caught in wedge groove seam, realizes fluid stopping.When carrying out fluid stopping operation, extension hose is pinched pressure by finger and is deformed upon, and manages
Interior liquid is extruded into blood vessel, and finger extends hose after unclamping and restores to the original state by natural resiliency, and luminal space increases and produces
Raw negative pressure, the negative pressure cause in blood vessel blood to fall in suction lead, inlying catheter head can be caused to be blocked after solidification, to can not
It is infused next time, loses the purpose of remaining needle Preserving time.
204582121 U of Chinese patent CN disclose a kind of jacket type fluid stopping device, including fluid stopping elastic clip, elasticity
It was provided with pore on intermediate plate and the wedge-shaped line of rabbet joint, wedge-shaped line of rabbet joint open end originated in pore side, and is long along flow-stopping clip
Degree direction is extended with the wedge shaped pattern that the line of rabbet joint reduces to the other end, and composition is characterized by：Further include a kind of promotion housing, pushes
Housing has inner cavity and perforative pore excessively, this crosses pore and pore of crossing of fluid stopping elastic clip is correspondingly arranged, elastic clip
It is arranged and is pushed in housing inner cavity at this, after two are crossed pore alignment, wait for that the circulation hose of fluid stopping may pass through this and cross pore.The fluid stopping
Device equally exists deficiency, shows：Push jacket structure complicated, of high cost, especially elastic clip is with gap fiting mode
It is combined with housing is pushed, elastic clip is made to cross pore and pushes the cooperation required precision of housing inner cavity high；Push housing and only liquid
There are an elongated segment hoses, the bending or extruding of the extension hose to influence whether the pressure in remaining needle between folder and indwelling needle body
Power changes, and easily forms thrombus and blocking.
For venous detaining needle during indwelling, blood penetrates into inlying catheter will form thrombus and blocking, institute for a long time
To carry out a washing pipe after all being provided 6-8 hours in domestic and international relevant operating instruction, formed to prevent tampon.
Invention content
In view of the deficiencies of the prior art and technology develops and practical application request, and the present invention provides one kind can multiple washing pipe
Remaining needle.The remaining needle one-hand operation, it is simple and easy to use, negative pressure is not will produce in operating process middle pipe, can effectively be prevented
Hemostatic Oral Liquid is flow backwards, and avoids forming thrombus and blocking in inlying catheter, and be convenient for the washing pipe during indwelling and secondary tube sealing.
The above-mentioned purpose of the present invention is achieved through the following technical solutions.
It is a kind of can multiple washing pipe remaining needle, including indwelling needle（4）, indwelling needle（4）Inlet on side wall（5）With
Extend hose（3）, it is characterised in that：It further include the sleeve with tube chamber（2）With can to extend hose（3）Form pinching effect
Liquid stopping clamp（1）；Extend hose（3）Across sleeve（2）Tube chamber and inlet（5）It is connected；Sleeve（2）It is equipped with groove
（21）, the extension hose demonstration completely of groove location is outside；Liquid stopping clamp（1）It is equipped with open slot（11）With the wedge-shaped line of rabbet joint（12）,
And via open slot（11）Embedded sleeve（2）Groove location；Liquid stopping clamp（1）It can be in sleeve（2）On the vertical plane of axis along
Sleeve（2）Groove（21）Sliding, so that sleeve recess part and the extension hose demonstrated in the position enter the wedge-shaped line of rabbet joint
（12）, realize to extending hose（3）Fluid stopping.
In the remaining needle of the present invention, sleeve（2）And liquid stopping clamp（1）Mating fluid stopping device is constituted, the fluid stopping device volume
It is small, it is simple to operate, it can be achieved that one-handed performance.Infusion terminates, and when carrying out fluid stopping operation, need to only thumb and index finger be used to hold
Firmly liquid stopping clamp（1）Both ends, gently firmly make it along sleeve（2）Groove（21）Sliding, sleeve recess part and demonstration in
The extension hose of the position progresses into the wedge-shaped line of rabbet joint（12）, extend hose（3）By from the wedge-shaped line of rabbet joint（12）Extruding, with
Extruding gradually becomes flat, until becoming flat at fluid stopping state completely.In the process, the wedge-shaped line of rabbet joint with smooth groove face（12）To prolonging
Long soft-pipe（3）Apply lasting positive pressure, extends hose（3）It remains smooth straight, not will produce distortion, gap, in pipe not
Negative pressure is generated, blood backflow is can effectively avoid.
After being operated via above-mentioned fluid stopping, the extension hose of sleeve recess part and demonstration in the position arrives at the wedge-shaped line of rabbet joint
（12）Tail end, extend hose（3）In the wedge-shaped line of rabbet joint（12）Clamping under be in fluid stopping state.
Known in the technical staff in medical transfusion field, remaining needle is during indwelling, it usually needs carried out one every 6-8 hours
Secondary washing pipe to form thrombus and blocking to prevent.For the remaining needle of the present invention, washing pipe is to being better protected from thrombus and blocking
It is advantageous.
Using the structural advantage of the present invention, in conjunction with medical regulations and common sense, washing pipe processing is carried out to the remaining needle of the present invention.
When carrying out washing pipe operation, to extension hose（3）Washing pipe liquid is injected in rear end, makes to keep positive pressure in extension hose, then holds only liquid
Folder（1）Both ends, by it along sleeve（2）Groove（21）Sliding, make sleeve and demonstration groove location extension hose from
The wedge-shaped line of rabbet joint（12）Tail end gradually to open slot（11）Direction movement.It is being moved to open slot（11）The process of present position
In, extend hose（3）Open position is gradually switched to by fluid stopping state, extends hose（3）End pressure discharges therewith afterwards.Washing pipe terminates
Afterwards, with reference to progress fluid stopping operation again is described above, secondary tube sealing is realized.
In view of the elasticity of hose, under fluid stopping state, liquid stopping clamp are pressed and extended to human vein（1）The wedge-shaped line of rabbet joint（12）It is right
Extend hose（3）Clamp pressure preferably in 20KPa or more.
As the preferred embodiment of the present invention, sleeve（2）One end be fixed on inlet（5）On.In this way, the indwelling of the present invention
Needle when in use, sleeve（2）It can be by liquid stopping clamp（1）With inlet（5）Between extension hose（3）Fixed protection, avoids squeezing
And deformation.
It is particularly preferred that sleeve（2）With inlet（5）It is integrally formed.Sleeve（2）With inlet（5）Can also be point
Body formula structure, at this time sleeve（2）It is preferred that being fixed on inlet in nested fashion（5）On.
As the preferred embodiment of the present invention, open slot（11）Positioned at liquid stopping clamp（1）Middle part, and in open slot（11）Slot
Respectively there is the wedge-shaped line of rabbet joint being mutually symmetrical on bottom both sides（12）.
As the preferred embodiment of the present invention, liquid stopping clamp（1）In the wedge-shaped line of rabbet joint（12）Lower section be provided with cavity or beam, use
To further strengthen the elasticity of liquid stopping clamp.
As the preferred embodiment of the present invention, liquid stopping clamp（1）In the wedge-shaped line of rabbet joint（12）Lower section be provided with bulk-solid items structure,
To reinforce the stability of liquid stopping clamp.
Sleeve（2）Can by with indwelling needle（4）And inlet（5）Identical material is made.Liquid stopping clamp（1）Material then can be selected
Material can be polypropylene PP, acrylonitrile-butadiene-styrene (ABS) ABS, polystyrene PS, polycarbonate, cellulose acetate
Phthalate ester CAP, polyphenylene oxide PPO, polyphenylene sulphone resin ppsu, polymethyl methacrylate pmma, gather to benzene two
The medical plastics such as formic acid butanediol ester PBT, polyether-ether-ketone peek, polyoxyethylene methylene POM are raw material, via common process system
It forms.
It is of the present invention can repeatedly washing pipe remaining needle the advantages of be, it is simple in structure, it is easy for operation, pass through spy
Determine the sleeve of structure and being used cooperatively for liquid stopping clamp, it can be ensured that extend in hose in operating process and do not generate negative pressure, avoid stopping
The extension hose that liquid presss from both sides between needle body is squeezed or deforms, and effectively prevent backflow of blood, prevents from forming thrombus in inlying catheter；
And it carries out washing pipe and secondary tube sealing is very convenient efficiently.
Description of the drawings
Fig. 1 is the overall structure diagram of remaining needle described in embodiment 1.
Fig. 2 is the partial enlarged view of remaining needle described in embodiment 1（Liquid stopping clamp is embedded in the groove location of sleeve）.
Fig. 3 is the partial enlarged view of remaining needle described in embodiment 1（Liquid stopping clamp is not embedded into the groove location of sleeve）.
Fig. 4 is the structural schematic diagram of remaining needle described in embodiment 2（Liquid stopping clamp is not embedded into the groove location of sleeve）.
Fig. 5 is the structural schematic diagram of remaining needle described in embodiment 3（Liquid stopping clamp is not embedded into the groove location of sleeve）.
Specific implementation mode
The present invention is described in more detail with attached drawing with reference to embodiments, but should not be construed as to the present invention
The limitation of protection domain.
Embodiment 1
As shown in Figs. 1-3, it is a kind of can multiple washing pipe remaining needle, including the inlet 5 on indwelling needle 4,4 side wall of indwelling needle
Further include the sleeve 2 with tube chamber and the liquid stopping clamp 1 that pinching effect can be formed to extending hose 3 with extension hose 3.
Sleeve 2 and inlet 5 are integrally formed, and extend hose 3 and the tube chamber of sleeve 2 is passed through to be connected with inlet 5.Sleeve 2
It is equipped with groove 21, the extension hose demonstration completely of groove location is outside.The middle part of liquid stopping clamp 1 is equipped with open slot 11, open slot
Respectively there is the wedge-shaped line of rabbet joint 12 being mutually symmetrical on 11 slot bottom both sides, and are each provided with a sky in the lower section of the wedge-shaped line of rabbet joint 12
Chamber.Liquid stopping clamp 1 is embedded in the groove location of sleeve 2 via open slot 11.
Liquid stopping clamp 1 can slide on the vertical plane of 2 axis of sleeve along the groove 21 of sleeve 2, so that sleeve recess part
And the extension hose demonstrated in the position enters the wedge-shaped line of rabbet joint 12, realizes the fluid stopping to extending hose 3.
When in use, the extension hose 3 between liquid stopping clamp 1 and inlet 5 can be fixed and be protected above-mentioned remaining needle by sleeve 2,
It avoids squeezing and deform.
Infusion terminates, and when carrying out fluid stopping operation, using the both ends of thumb and forefinger liquid stopping clamp 1, gently firmly makes
It progresses into wedge along the groove 21 of sleeve 2 to a Slideslip, sleeve recess part and the extension hose demonstrated in the position
The shape line of rabbet joint 12 extends hose 3 by the extruding from the wedge-shaped line of rabbet joint 12, gradually becomes flat with squeezing, until becoming flat at fluid stopping completely
State.At this point, sleeve recess part and demonstration extend hose 3 in the tail end for extending hose and arriving at the wedge-shaped line of rabbet joint 12 of the position
It is in fluid stopping state under the clamping of the wedge-shaped line of rabbet joint 12.
During indwelling, to be better protected from thrombus and blocking, medical regulations and common sense are can refer to, the indwelling to the present invention
Needle carries out washing pipe processing.When carrying out washing pipe operation, washing pipe liquid is injected to 3 rear end of hose is extended, makes to keep just in extension hose 3
Pressure, then holds the both ends of liquid stopping clamp 1, it is slided along the groove 21 of sleeve 2, makes sleeve and demonstration prolonging in groove location
Long soft-pipe is moved from the tail end of the wedge-shaped line of rabbet joint 12 to the other side of liquid stopping clamp 1.During being moved to 1 middle part of liquid stopping clamp, prolong
Long soft-pipe 3 gradually switchs to open position by fluid stopping state, and end pressure discharges therewith after extending hose 3.After washing pipe, continue to make
Sleeve and demonstration are moved in the extension hose of groove location to the other side, into the wedge-shaped line of rabbet joint, extend hose by from wedge shape
The extruding of the line of rabbet joint gradually becomes flat with squeezing, until becoming flat at fluid stopping state completely, realizes secondary tube sealing.
For further verify the present invention can repeatedly washing pipe remaining needle using effect, applicant select 6 ages exist
3-4 Sui medical experiment is subjects with beasle dog, using remaining needle as shown in Figs. 1-3, is carried out after injecting normal saline
Tube sealing, then every 8 hours carry out washing pipes and again, tube sealing, entire indwelling experiment process last 9 days（Since tube sealing for the first time
Timing）.
It examines（Range estimation）With situation in the record every time front and back pipe of operation.Test result is shown：Wait for the 5th washing pipe
When, just start a small amount of color occur in pipe, blood back amount is without obviously fluctuating in subsequent each secondary preoperative pipe of washing pipe；Until experiment
Terminate, 6 groups of experiments do not occur thrombus and clogging.
Specific test result is as shown in the table.
Embodiment 2
As shown in figure 4, it is a kind of can repeatedly washing pipe remaining needle, sleeve 2 on 4 side wall of indwelling needle inlet 5 use it is seperated
The structure of formula, sleeve 2 are fixed in nested fashion on inlet 5.Meanwhile 12 lower section of the wedge-shaped line of rabbet joint of liquid stopping clamp 1 is respectively provided with
One section beam so that liquid stopping clamp 1 has the moulding ability of bigger, can further increase the elasticity capacity of liquid stopping clamp 1.
The not described part of the present embodiment is same as Example 1.
Embodiment 3
As shown in figure 5, it is a kind of can multiple washing pipe remaining needle, respectively there is one piece of bulk-solid items in the lower section of the wedge-shaped line of rabbet joint 12 of liquid stopping clamp 1
Structure, to enhance the stability of liquid stopping clamp 1.
The not described part of the present embodiment is same as Example 1.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. it is a kind of can multiple washing pipe remaining needle, including indwelling needle（4）, indwelling needle（4）Inlet on side wall（5）With prolong
Long soft-pipe（3）, it is characterised in that：It further include the sleeve with tube chamber（2）With can to extend hose（3）Form stopping for pinching effect
Liquid presss from both sides（1）；Extend hose（3）Across sleeve（2）Tube chamber and inlet（5）It is connected；Sleeve（2）It is equipped with groove（21）,
The demonstration completely of the extension hose of groove location is outside；Liquid stopping clamp（1）It is equipped with open slot（11）With the wedge-shaped line of rabbet joint（12）, and via
Open slot（11）Embedded sleeve（2）Groove location；Liquid stopping clamp（1）It can be in sleeve（2）Along sleeve on the vertical plane of axis（2）
Groove（21）Sliding, so that sleeve recess part and the extension hose demonstrated in the position enter the wedge-shaped line of rabbet joint（12）, realize
To extending hose（3）Fluid stopping.
2. remaining needle according to claim 1, it is characterised in that：Under fluid stopping state, liquid stopping clamp（1）The wedge-shaped line of rabbet joint（12）
To extending hose（3）Clamp pressure in 20KPa or more.
3. remaining needle according to claim 1, it is characterised in that：Sleeve（2）One end be fixed on inlet（5）On.
4. according to the remaining needle described in claim 1 and 3, it is characterised in that：Sleeve（2）With inlet（5）It is integrally formed.
5. according to the remaining needle described in claim 1 and 3, it is characterised in that：Sleeve（2）With inlet（5）It is split structure,
Sleeve（2）It is fixed on inlet in nested fashion（5）On.
6. remaining needle according to claim 1, it is characterised in that：Open slot（11）Positioned at liquid stopping clamp（1）Middle part, and
Open slot（11）Slot bottom both sides respectively have the wedge-shaped line of rabbet joint being mutually symmetrical（12）.
7. according to the remaining needle described in claim 1 and 6, it is characterised in that：Liquid stopping clamp（1）In the wedge-shaped line of rabbet joint（12）Lower section set
It is equipped with cavity or beam, to further strengthen the elasticity of liquid stopping clamp.
8. according to the remaining needle described in claim 1 and 6, it is characterised in that：Liquid stopping clamp（1）In the wedge-shaped line of rabbet joint（12）Lower section set
It is equipped with bulk-solid items structure, to reinforce the stability of liquid stopping clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138567.3A CN108478899A (en) | 2018-02-10 | 2018-02-10 | Can repeatedly washing pipe remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138567.3A CN108478899A (en) | 2018-02-10 | 2018-02-10 | Can repeatedly washing pipe remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108478899A true CN108478899A (en) | 2018-09-04 |
Family
ID=63340459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810138567.3A Pending CN108478899A (en) | 2018-02-10 | 2018-02-10 | Can repeatedly washing pipe remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108478899A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201783060U (en) * | 2010-09-13 | 2011-04-06 | 江西洪达医疗器械集团有限公司 | Venous indwelling needle with needle-free positive-pressure joint |
| WO2012058790A1 (en) * | 2010-11-05 | 2012-05-10 | 王国胜 | Double safety indwelling needle |
| CN204582121U (en) * | 2015-01-09 | 2015-08-26 | 福建省百仕韦医用高分子股份有限公司 | Jacket type fluid stopping device |
| CN204619050U (en) * | 2015-04-29 | 2015-09-09 | 广州市花都区人民医院 | A kind of venous detaining needle tongs |
| CN105797236A (en) * | 2016-05-12 | 2016-07-27 | 广东爱迪医疗科技有限公司 | Pulse type positive-pressure single hand clamp remaining needle |
| CN205849915U (en) * | 2016-05-14 | 2017-01-04 | 威海出入境检验检疫局 | A kind of remaining needle |
| CN106581815A (en) * | 2016-10-08 | 2017-04-26 | 谢世庚 | Positive-pressure liquid prevention box of indwelling needle |
-
2018
- 2018-02-10 CN CN201810138567.3A patent/CN108478899A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201783060U (en) * | 2010-09-13 | 2011-04-06 | 江西洪达医疗器械集团有限公司 | Venous indwelling needle with needle-free positive-pressure joint |
| WO2012058790A1 (en) * | 2010-11-05 | 2012-05-10 | 王国胜 | Double safety indwelling needle |
| CN204582121U (en) * | 2015-01-09 | 2015-08-26 | 福建省百仕韦医用高分子股份有限公司 | Jacket type fluid stopping device |
| CN204619050U (en) * | 2015-04-29 | 2015-09-09 | 广州市花都区人民医院 | A kind of venous detaining needle tongs |
| CN105797236A (en) * | 2016-05-12 | 2016-07-27 | 广东爱迪医疗科技有限公司 | Pulse type positive-pressure single hand clamp remaining needle |
| CN205849915U (en) * | 2016-05-14 | 2017-01-04 | 威海出入境检验检疫局 | A kind of remaining needle |
| CN106581815A (en) * | 2016-10-08 | 2017-04-26 | 谢世庚 | Positive-pressure liquid prevention box of indwelling needle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |