CN107158492A - A kind of drainage needle - Google Patents
A kind of drainage needle Download PDFInfo
- Publication number
- CN107158492A CN107158492A CN201710539171.5A CN201710539171A CN107158492A CN 107158492 A CN107158492 A CN 107158492A CN 201710539171 A CN201710539171 A CN 201710539171A CN 107158492 A CN107158492 A CN 107158492A
- Authority
- CN
- China
- Prior art keywords
- road junction
- needle
- valve
- flow channel
- syringe
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
-
- A61M1/0001—
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of drainage needle, category medical apparatus field.The drainage needle includes syringe, valve, the syringe needle being sequentially connected, and valve includes valve body and knob；Valve body includes first-class road junction, second road junction and third flow channel mouthful, and the dispensing end of syringe is connected with first-class road junction, and the fixing end of syringe needle is connected with second road junction；Knob is arranged to the working condition of control valve.The drainage needle enters vomica by puncture needle, then using the gas in third flow channel mouthful connection negative pressure device emptying vomica, produce negative pressure, then valve is rapidly switched into first-class road junction to connect with second road junction, due to the presence of negative pressure, fester in vomica can quickly flow back into syringe and be pumped, and take out purulence excellent.
Description
Technical field
The present invention relates to medical apparatus technical field, and in particular to a kind of drainage needle.
Background technology
It is common disease that abscess, which includes abscess of breast, and conventional treatments of the prior art are by surgical incision vomica
After remove fester.The defect of this treatment method is that operative incision is big, Wound healing slow, increases the pain and treatment cost of patient
With, and ugly scar can be left after Wound healing, cause some patientss to be reluctant operation, delay treatment opportunity.In addition, also
There is another treatment method, it aspirates fester by FNA vomica, but existing fine needle is difficult to remove fester totally, residual
Remaining fester can cause chronic inflammation, and therapeutic effect is poor.Therefore it is badly in need of a kind of extraction more preferable drainage needle of fester effect.
The content of the invention
It is an object of the invention to provide a kind of drainage needle, to solve above-mentioned technical problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of drainage needle, including syringe, valve, the syringe needle being sequentially connected, the valve include valve body and knob；The valve
Body includes first-class road junction, second road junction and third flow channel mouthful, and the dispensing end of the syringe connects with the first-class road junction
Connect, the fixing end of the syringe needle is connected with the second road junction；The knob is arranged to control the work shape of the valve
State is to cause being connected with the second road junction or the third flow channel mouthful for first flow mouthful selectivity, and the syringe needle includes pin
Body and puncture needle, the needle body are interconnected with the puncture needle, and the end of the remote puncture needle of the needle body is inwardly curved
Folding forms the first flange, and first flange is annular, and first flange is provided with two the first breach, the second flow channel
The inwall of mouth is provided with the fixture block coordinated with first breach, and the fixture block is in the syringe needle rotary course from described first
Breach is slipped into the needle body and the first flange described in clamping in the syringe needle continues rotary course.
It is preferred that, the valve also includes the locating part for being used to limit the knob, and the locating part is arranged at institute
Knob is stated so that damping is contacted between the knob and the outer wall of the valve.
It is preferred that, width of the fixture block in the circumference along the second road junction is unequal, and the width of the fixture block
Degree is gradually reduced from the first-class road junction to second road junction direction, and the width of first breach is more than the card
The width of the end at the close first-class road junction of block.
It is preferred that, the third flow channel mouthful is used to connect negative pressure device, and the negative pressure device is in the valve transfer to institute
State when first-class road junction is connected with third flow channel mouth and connected with the puncture needle.
It is preferred that, the inwall of the third flow channel mouthful is provided with latch, the negative pressure device with the third flow channel mouthful
The end of connection bends inwards to form the second flange, and second flange is annular, and second flange is provided with two and institute
State the second breach of latch cooperation.
It is preferred that, width of the latch in the circumference along the third flow channel mouthful is unequal, and the width of the latch
Degree is gradually reduced from close to described first-class road junction direction one end to away from described first-class road junction direction one end, and described second lacks
The width of mouth is more than the width of the end at the close first-class road junction of the latch.
It is preferred that, the negative pressure device is minipump.
Beneficial effects of the present invention：
The present invention is scientific and reasonable for structure, and the drainage needle enters vomica by puncture needle, then using third flow channel mouthful connection
Gas in negative pressure device emptying vomica, produces negative pressure, valve then is rapidly switched into first-class road junction and second road junction
Connection, due to the presence of negative pressure, the fester in vomica can quickly flow back into syringe and be pumped, and take out purulence excellent.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 for the drainage needle that provides of the present invention off working state structural representation；
Fig. 2 for the drainage needle that provides of the present invention the first working condition structural representation；
Fig. 3 for the drainage needle that provides of the present invention the second working condition structural representation；
The structural representation for the valve that Fig. 4 provides for the present invention；
The profile for the valve that Fig. 5 provides for the present invention；
The structural representation for the syringe needle that Fig. 6 provides for the present invention；
The top view for the syringe needle that Fig. 7 provides for the present invention；
The structural representation for the fixture block that Fig. 8 provides for the present invention；
The structural representation of the connection end for the negative pressure device that Fig. 9 provides for the present invention.
In figure：100- drainage needles；110- syringes；120- valves；121- valve bodies；The first-class road junctions of 1211-；1213- second
Runner mouthful；1215- third flow channels mouthful；123- knobs；127- fixture blocks；129- latches；1231- rotating handles；125- locating parts；130-
Syringe needle；131- needle bodies；132- puncture needles；The flanges of 133- first；The breach of 134- first；The flanges of 135- second.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-Fig. 9 is refer to, the present embodiment provides a kind of drainage needle 100, including syringe 110, the valve being sequentially connected
120th, syringe needle 130.In the present embodiment, syringe 110 is conventional specification, and capacity is 50~100 milliliters.In the range of capacity,
The amount of conventional breast puncture injecting normal saline can be met.In other embodiments of the invention, syringe 110 can be other
Specification, the present invention is not limited it.
Fig. 2 is refer to, in the present embodiment, valve 120 is three-way valve 120.Valve 120 includes valve body 121, knob
123rd, locating part 125.Valve body 121 includes first-class road junction 1211, second road junction 1213 and third flow channel mouthful 1215, syringe
110 dispensing end is connected with first-class road junction 1211, and the fixing end of syringe needle 130 is connected with second road junction 1213.
Specifically, syringe needle 130 includes needle body 131 and puncture needle 132, needle body 131 is interconnected with puncture needle 132, needle body
The end of 131 remote puncture needle 132 bends inwards to form the first flange 133, and the first flange 133 is annular, the first flange 133
Two the first breach 134 are provided with, the inwall at second road junction 1213 is provided with the fixture block 127 coordinated with the first breach 134, card
Block 127 is slipped into needle body 131 from the first breach 134 in the rotary course of syringe needle 130 and blocked in syringe needle 130 continues rotary course
Tight first flange 134.
So design and be advantageous in that syringe needle without departing from second road junction 1213, this design can ensure to be taken out in vomica
Purulence is taken out in vacuum realization that can be rapidly and efficiently higher always after vacuum, if not using this to design, and syringe needle 130 is from second road junction
1213 come off, and air reenters vomica, and it is highly difficult for now vomica being vacuumized again, because first time puncture needle
132 can be perforated when entering vomica on vomica film, be vacuumized if entering eleven punch 11 for the second time, and the hole that perforation is formed for the first time is deposited all the time
It can cause to vacuumize failure, it is necessary to wait vomica film to carry out taking out purulence after restoring again.
Width of the fixture block 127 in the circumference along second road junction 1213 is unequal, and fixture block 127 width from first-class
It is gradually reduced on road junction 1211 to the direction of second road junction 1213, the width of the first breach 134 is more than close the first of fixture block 127
The width of the end of runner mouthful 1211.Contraposition of the syringe needle when being connected with valve 120 can so be facilitated.
Third flow channel mouthful 1215 is used to connect negative pressure device, and negative pressure device is, for example, minipump.Negative pressure device is in valve
Door 120 is switched to when first-class road junction 1211 is connected with third flow channel mouthful 1215 and connected with puncture needle 132.As it was previously stated, negative pressure
Device operationally must assure that and will not fall off, therefore, in the present embodiment：
The inwall of third flow channel mouthful 1215 is provided with latch 129, the end being connected with third flow channel mouthful 1215 of negative pressure device
Portion bends inwards to form the second flange 135, and the second flange 135 is annular, and the second flange 135 is provided with two and matched somebody with somebody with latch 129
The second breach closed.
Width of the latch 129 in the circumference along third flow channel mouthfuls 1215 is unequal, and latch 129 width from close to the
First-class direction one end of road junction 1211 is gradually reduced to away from first-class direction one end of road junction 1211, and the width of the second breach is more than card
The width of the end at the close first-class road junction 1211 of tooth 129.
Fig. 2 and Fig. 3 is refer to, knob 123 controls first-class road junction 1211, second road junction 1213 and third flow channel mouthful
Connection between 1215, and then the working condition of control valve 120.In the present embodiment, valve 120 provided with off working state,
First working condition and the second working condition.When drainage needle 100 is off working state, knob 123 controls first-class road junction
1211st, second road junction 1213 and third flow channel mouthful 1215 are connected；When drainage needle 100 is the first working condition, knob 123
Control first-class road junction 1211 to be connected with second road junction 1213, close third flow channel mouthful 1215, i.e., only syringe needle 130 passes through valve
120 connect with syringe 110；When drainage needle 100 is the second working condition, the control second of knob 123 road junction 1213 and the 3rd
Runner mouthful 1215 is connected, and is closed first-class road junction 1211, i.e. syringe needle 130 and is connected with third channel mouthful, but does not connect with syringe 110
It is logical.
In the present embodiment, the axis side at first-class road junction 1211, second road junction 1213 and third flow channel mouth 1215
To being mutually perpendicular to, knob 123 includes three rotating handles 1231, and the length direction of three rotating handles 1231 is mutually perpendicular to.Rotate
The direction of handle 1231 is identical with the communication direction of valve 120, and the direction by rotating handle 1231 is that can determine whether the work of valve 120
State, while being easy to be operated as needed, prevents maloperation, influence treatment.In other embodiments of the invention, knob
123 rotating handle 1231 can be other shapes and structure, such as quadrangle, each angle correspondence circulating direction, the present invention to it not
Limit.
Fig. 4 is refer to, in actual therapeutic process, the liquid full of flowing in valve 120, the liquid of flowing is to valve
120 valve body 121 and first-class road junction 1211, second road junction 1213 and third flow channel mouthful 1215 application active forces, at this
Under active force, knob 123 is easily rotated, and influences the flowing of liquid, and influences therapeutic effect.In order to stablize knob 123, valve
120 include locating part 125.Locating part 125 is arranged at knob 123, limits the rotation of knob 123, and locating part 125 is arranged at described
Knob 123 is contacted so as to be damped between the knob 123 and the outer wall of the valve.
In order to more accurately arrive at lesions position, in the present embodiment, the outer surface of puncture needle 132 is provided with scale (figure
Do not show).The position of focus according to early stage testing result, can be learnt and the distance of puncture is needed, accurate treatment is reached, shortening is controlled
The treatment time, reduce the pain of sufferer.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of drainage needle, it is characterised in that described including the syringe (110), valve (120), syringe needle (130) being sequentially connected
Valve (120) includes valve body (121) and knob (123)；The valve body (121) includes first-class road junction (1211), second flow channel
Mouth (1213) and third flow channel mouthful (1215), the dispensing end of the syringe (110) are connected with the first-class road junction (1211),
The fixing end of the syringe needle (130) is connected with the second road junction (1213)；It is described that the knob (123) is arranged to control
The working condition of valve (120) is with cause first flow mouthful (1211) the selectivity and second road junction (1213) or described
Third flow channel mouthful (1215) connection, the syringe needle (130) includes needle body (131) and puncture needle (132), the needle body (131) and
The puncture needle (132) is interconnected, and the end of the remote puncture needle (132) of the needle body (131) bends inwards to be formed
First flange (133), first flange (133) is annular, and first flange (133) is provided with two the first breach
(134), the inwall of the second road junction (1213) is provided with the fixture block (127) coordinated with first breach (134), described
Fixture block (127) slipped into the syringe needle (130) rotary course from first breach (134) in the needle body (131) and
The syringe needle (130) continues the first flange (133) described in clamping in rotary course.
2. a kind of drainage needle according to claim 1, it is characterised in that：The valve (120) also includes being used to limit institute
The locating part (125) of knob (123) rotation is stated, the locating part (125) is arranged at the knob (123) so that the knob
(123) damp and contact between the outer wall of the valve (120).
3. a kind of drainage needle according to claim 1, it is characterised in that：The fixture block (127) is along the second flow channel
Width in the circumference of mouthful (1213) is unequal, and the fixture block (127) width from the first-class road junction (1211) to institute
State and be gradually reduced on second road junction (1213) direction, the width of first breach (134) is more than leaning on for the fixture block (127)
The width of the end of the nearly first-class road junction (1211).
4. a kind of drainage needle according to claim 1, it is characterised in that：The third flow channel mouthful (1215) is used to connect negative
Pressure device, the negative pressure device switches to the first-class road junction (1211) and the third flow channel mouthful in the valve (120)
(1215) connected when connecting with the puncture needle (132).
5. a kind of drainage needle according to claim 4, it is characterised in that：The inwall of the third flow channel mouthful (1215) is set
There is a latch (129), the end being connected with the third flow channel mouthful (1215) of the negative pressure device bends inwards, and to form second convex
Edge (135), second flange (135) is annular, and second flange (135) is provided with two and matched somebody with somebody with the latch (129)
The second breach closed.
6. a kind of drainage needle according to claim 5, it is characterised in that：The latch (129) is along the third flow channel
Width in the circumference of mouthful (1215) is unequal, and the latch (129) width from close to the first-class road junction (1211)
Direction one end is gradually reduced to away from described first-class road junction (1211) direction one end, and the width of second breach is more than described
The width of the end of the close first-class road junction (1211) of latch (129).
7. a kind of drainage needle according to claim 5, it is characterised in that：The negative pressure device is minipump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539171.5A CN107158492A (en) | 2017-07-04 | 2017-07-04 | A kind of drainage needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539171.5A CN107158492A (en) | 2017-07-04 | 2017-07-04 | A kind of drainage needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107158492A true CN107158492A (en) | 2017-09-15 |
Family
ID=59822564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710539171.5A Pending CN107158492A (en) | 2017-07-04 | 2017-07-04 | A kind of drainage needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107158492A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399032Y (en) * | 1999-10-13 | 2000-10-04 | 张振平 | Disposable abdominal puncture device |
| CN2425652Y (en) * | 2000-04-24 | 2001-04-04 | 冯威健 | Disposable retention closed drainage device |
| CN2721102Y (en) * | 2004-08-26 | 2005-08-31 | 刘跃森 | Pericardial puncture needle assembly |
| CN1718252A (en) * | 2005-07-20 | 2006-01-11 | 杨清武 | Cerebrospinal fluid replacement apparatus |
| CN2817853Y (en) * | 2005-08-29 | 2006-09-20 | 柴守栋 | Disposable thoracic cavity puncture |
| CN1878592A (en) * | 2003-11-10 | 2006-12-13 | 施曼信医疗Md公司 | Device for insertion of a cannula of an infusion device |
| CN201001861Y (en) * | 2007-02-27 | 2008-01-09 | 刘文健 | Disposable pleuroperitoneal cavity puncture drainage device with cell-collecting device |
| CN101143096A (en) * | 2007-09-24 | 2008-03-19 | 肖国红 | Pre-negative pressure suction type deep artery and venous silk-guiding introducing device |
| CN201500373U (en) * | 2009-10-15 | 2010-06-09 | 李玉新 | Veress needle with integrated gas injection and water injection |
| CN203724627U (en) * | 2014-03-12 | 2014-07-23 | 张波 | Backflow preventive intracranial drainage three-way valve |
| CN203989302U (en) * | 2013-03-15 | 2014-12-10 | 贝克顿·迪金森有限公司 | For the connected system of armarium assembly, for film and the medical connector of medical connector |
| CN204261101U (en) * | 2014-11-25 | 2015-04-15 | 曹洪 | A kind of negative pressure drainage device |
| CN205586280U (en) * | 2016-03-25 | 2016-09-21 | 温州市中心医院 | Thoracic cavity puncture drainage device |
-
2017
- 2017-07-04 CN CN201710539171.5A patent/CN107158492A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399032Y (en) * | 1999-10-13 | 2000-10-04 | 张振平 | Disposable abdominal puncture device |
| CN2425652Y (en) * | 2000-04-24 | 2001-04-04 | 冯威健 | Disposable retention closed drainage device |
| CN1878592A (en) * | 2003-11-10 | 2006-12-13 | 施曼信医疗Md公司 | Device for insertion of a cannula of an infusion device |
| CN2721102Y (en) * | 2004-08-26 | 2005-08-31 | 刘跃森 | Pericardial puncture needle assembly |
| CN1718252A (en) * | 2005-07-20 | 2006-01-11 | 杨清武 | Cerebrospinal fluid replacement apparatus |
| CN2817853Y (en) * | 2005-08-29 | 2006-09-20 | 柴守栋 | Disposable thoracic cavity puncture |
| CN201001861Y (en) * | 2007-02-27 | 2008-01-09 | 刘文健 | Disposable pleuroperitoneal cavity puncture drainage device with cell-collecting device |
| CN101143096A (en) * | 2007-09-24 | 2008-03-19 | 肖国红 | Pre-negative pressure suction type deep artery and venous silk-guiding introducing device |
| CN201500373U (en) * | 2009-10-15 | 2010-06-09 | 李玉新 | Veress needle with integrated gas injection and water injection |
| CN203989302U (en) * | 2013-03-15 | 2014-12-10 | 贝克顿·迪金森有限公司 | For the connected system of armarium assembly, for film and the medical connector of medical connector |
| CN203724627U (en) * | 2014-03-12 | 2014-07-23 | 张波 | Backflow preventive intracranial drainage three-way valve |
| CN204261101U (en) * | 2014-11-25 | 2015-04-15 | 曹洪 | A kind of negative pressure drainage device |
| CN205586280U (en) * | 2016-03-25 | 2016-09-21 | 温州市中心医院 | Thoracic cavity puncture drainage device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |