CN110393535A - The dedicated handguard of arterial blood air tube is closed clamping device - Google Patents
The dedicated handguard of arterial blood air tube is closed clamping device Download PDFInfo
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- CN110393535A CN110393535A CN201910845149.2A CN201910845149A CN110393535A CN 110393535 A CN110393535 A CN 110393535A CN 201910845149 A CN201910845149 A CN 201910845149A CN 110393535 A CN110393535 A CN 110393535A
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- cylinder
- needle point
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- folder
- slot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/15058—Joining techniques used for protective means
- A61B5/150625—Joining techniques used for protective means by using additional parts, e.g. clamping rings or collets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to the field of medical instrument technology, it is closed clamping device more particularly to a kind of dedicated handguard of arterial blood air tube, it is made of main folder cylinder, fixing groove, connecting filament, fastening cylinder, cutting, check ring, needle point slot, needle point folder, protective plate, needle stalk slot, lead-over groove, pintle slot, buckle and connection sheet.Main folder cylinder is the column structure that cross section is semi-circular shape, and needle point folder is half circular platform type structure, there is vertical needle point slot on the vertical planomural of needle point folder, and the middle part of two main folder cylinders is respectively at simultaneously in the semi-cylindrical space for two fastening cylinders being connected to each other.When fastening cylinder is placed on needle point folder, under the extruding of fastening cylinder inner wall, needle point is pressed from both sides by needle point and is sealed.
Description
Technical field
The present invention relates to the field of medical instrument technology, are closed clamping machine more particularly to a kind of dedicated handguard of arterial blood air tube
Structure.
Background technique
Arterial blood gas analysis adjusts the various parameters of mechanical ventilation to clinical guidance oxygen therapy and corrects soda acid and electrolyte mistake
Weighing apparatus etc. has very important significance.Arterial blood sample acquisition method has critically important influence to Results of Blood-gas.When inspection, sampling mark
This whether the testing result with completely isolated pH, PaCO2, the PaO2 for directly influencing vim and vigour of air.Therefore, blood gas needle after blood sampling
Needle point need to be blocked with rubber plug immediately.The syringe needle of blood gas needle is made of pintle, needle stalk and needle point.Vim and vigour on existing market
Needle is equipped with the rubber block for blocking syringe needle, and in order to save space, the side length of this rubber block is usually 1cm.In blood gas needle
Needle point after Vessel extraction, operator is affectedly bashful rubber block on the other hand, and needle point is inserted into rubber block by another hand, makes needle point and outer
Boundary's air exclusion, to guarantee the accuracy of testing result.However, such mode has following technological deficiency:
1. safety is low.
Needle point stabs the process of rubber block, is a kind of extremely dangerous mode of operation.Due to being affectedly bashful at the finger of rubber block
In the direction of advance of needle point, and since the size of rubber block is limited, the distance of drafting entry point of the finger apart from rubber block is minimum,
Operator is careless slightly, and needle point will puncture the finger for being affectedly bashful rubber block, since needle point at this time is just from the blood of patient
It is extracted in pipe, therefore, this accident can bring great viral transmission risk, or even can endanger the life security of medical worker.
2. operating efficiency is low.
Since operator will avoid the generation of above-mentioned danger, needle point with caution, slowly can only be inserted into rubber block, so then
Extend the operating time；Simultaneously as rubber compactness with higher and resistance to compression, shearing strength with air-tightness, it will
It is not a quick, easy process that needle point, which is inserted into the certain depth of rubber block, this need operator constantly, with biggish power
Degree ground carries out, and to keep needle point direction of advance consistent with its direction of axis line always, and such operation takes time and effort, also into
One step reduces working efficiency.
3. the sealing state of needle point is unstable.
Rubber block and insert in bullet caused by slight deformation of the frictional force of needle point therein at rubber block inserting needle
Power, this causes the frictional force of rubber block and needle point weaker, and the size of rubber block is much larger than the diameter of syringe needle in addition.Therefore it is inciting somebody to action
During sampled result inspection, rubber block is once in contact with other objects or the rubber block of multiple sampling blood gas needles
Between rub, be all easy to fall off rubber block, trapping caused to fail, to reduce the precision of testing result.
Summary of the invention
The present invention to solve the deficiencies in the prior art, provides a kind of safety with higher, quick and easy to use, together
When there is higher stability, can effectively avoid the arterial blood air tube dedicated handguard closure clamping device of trapping failure.
The scheme for solving present invention problem is: the dedicated handguard closure clamping device of arterial blood air tube, by main folder cylinder, admittedly
Determine slot, connecting filament, fastening cylinder, cutting, check ring, needle point slot, needle point folder, protective plate, needle stalk slot, lead-over groove, pintle slot, buckle
It is constituted with connection sheet.
Main folder cylinder is the column structure that material is polypropylene plastics, cross section is semi-circular shape, main folder cylinder from top to bottom according to
It is secondary to be divided into upper, middle and lower, have on the vertical planomural on the top of main folder cylinder with the pintle shape of blood gas needle be adapted, In
Semiorbicular fixing groove is additionally provided on pintle slot, the width and depth of fixing groove and the raised brim at pintle edge are adapted.In
Have on the vertical planomural of the lower part of main folder cylinder with the needle of blood gas needle stalk overall diameter identical needle stalk slot, the middle part of main folder cylinder it is vertical
Having shaft section on planomural is trapezoidal lead-over groove, and the upper end of lead-over groove is identical as pintle slot bottom end lateral dimension and communicates with each other,
The lower end of lead-over groove is identical as needle stalk slot lateral dimension and communicates with each other.Two main folder cylinders are arranged side by side and two main folder cylinder tops
The neighboring edge of vertical planomural is in contact with each other.Connection sheet is the flexible plastic piece of bar shaped, and a connection sheet is main with above-mentioned two simultaneously
Press from both sides the neighboring edge bonding of the vertical planomural of cylinder.Master on the left side vertical edge of main folder cylinder for being located at the left side and positioned at the right
Press from both sides the buckle for being equipped with and corresponding to each other simultaneously on the right vertical edge of cylinder.
Needle point folder is half circular platform type structure of rubber material, has vertical needle point slot, needle point on the vertical planomural of needle point folder
The diameter of slot is less than the diameter of needle stalk slot, and the bottom end of needle point slot is the acute angle shape of pointed end.The upper transverse plane of each needle point folder
On have with needle point folder be an entirety columnar cutting.Have at the curved edge of needle point folder upper end whole for one with needle point folder
The semiorbicular check ring of body, the cross section of check ring are semicircles, and the cross section of the check ring refers to half with check ring
The vertical cross section of the tangent line of circular axis.
Two needle point folders are arranged side by side, and the cutting of the upper end of each needle point folder inserts in the vertical blind of the bottom face of main folder cylinder
It is in hole and Nian Jie with blind pore wall.The lower edge of two needle points folder is in contact, and the part being in contact is mutually be bonded with a connection sheet.
Protective plate is the cylindrical body that material identical with the basal diameter of needle point folder is polypropylene plastics, the top surface of protective plate and a needle
The bottom surface bonding of point folder, bonding region are the protection circular half of plate top surface.
Fastening cylinder is the column structure that material is rigid plastics, cross section is semi-circular shape.Two fastening cylinders are arranged side by side
And two the neighboring edge of vertical planomural of fastening cylinder be in contact with each other, a connection sheet vertical planomural with above-mentioned two fastenings cylinder simultaneously
Neighboring edge bonding.
The middle part of described two main folder cylinders is respectively at simultaneously in the semi-cylindrical space for two fastening cylinders being connected to each other.
Along the even circumferential point of fastening cylinder between the curved surface on the top of the top surface and corresponding main folder cylinder of each fastening cylinder
Multiple vertical connecting filaments are furnished with, the upper end of the connecting filament is Nian Jie with main folder cylinder upper curved surface, lower end is glued with fastening cylinder top surface
It connects.It is set simultaneously on the left side vertical edge of fastening cylinder for being located at the left side and on the right vertical edge of the fastening cylinder on the right
There is the buckle to correspond to each other.
Operator finishes in blood sampling and by needle point after extracting out in blood vessel, first pinches main folder cylinder with left hand, the right hand pinches needle
Bolt simultaneously places it at pintle slot, and then the right hand, which refers to, presses pintle into pintle slot, and needle stalk is in lead-over groove during pressing
It is entered eventually under guiding role in needle stalk slot, the tip of this hour hand stalk is placed at needle point slot.It is respectively that two main folder cylinders and two are tight
Gu cylinder rotates and closes up around the connection sheet mutually be bonded with it, it then will be located at respectively on two main folder cylinders and two fastening cylinders and correspond to each other
Buckle fasten.Pintle is in the cylindrical space that two main folder cylinder tops are enclosed at this time, and the raised brim of pintle upper end is in
In fixing groove, in the cylindrical space that middle part and lower part of the needle stalk in two main folder cylinders are enclosed.It is detained each other at this point, the right hand pinches
The two main folder cylinders closed, left hand pinch the two fastening cylinder rotations fastened each other up to whole connecting filament fractures, and then left hand pinches
The two fastening cylinders fastened each other are slided to needle tip direction, when fastening cylinder is placed on needle point folder, in squeezing for fastening cylinder inner wall
Pressure, two needle points folder is tightly coupled to each other and needle point is surrounded and squeezed by the wall of two needle point slots, and needle point is pressed from both sides by needle point and sealed.When tight
Gu after the top edge of cylinder squeezes and crosses check ring, check ring restores raised form again and is stopped under its own elastic reaction
The path that fastening cylinder retracts, makes to fasten cylinder and keeps after operator lets go stabilization stationary state.
Using the above scheme, compared with prior art, the present invention has following marked improvement:
1. since operator's heart is in the closed process to needle point, the finger of operator all in needle point rear, meanwhile, In
During syringe needle is placed in main folder cylinder, syringe needle is not axially moved, and only in the direction generation perpendicular to needle axis
Movement, therefore prevented the hidden danger of needle pricks operator's finger in the prior art.Simultaneously as there is protection in front of needle point
The protection of plate ensure that under any fortuitous event, needle point will not all puncture needle point folder to stab human body, this makes the present invention
With stronger safety.
2. needle stalk can be smooth, quasi- during moving to needle stalk slot since lead-over groove plays good guiding role
It really enters in needle stalk slot, this considerably reduces the difficulty of " syringe needle alignment " this operation, improves operating efficiency.
3. since the present invention is to realize the sealing to needle point to the extruding of needle point by needle point folder, seal length be not necessarily to according to
The depth of rubber is penetrated to obtain by needle point, but is realized by pushing fastening cylinder, therefore can be easily with longer close
Length is sealed to realize more effective air insulated, such operation is time saving and energy saving, further improves operating efficiency and sealing effect
Fruit.
4. the setting of check ring enables the final position for fastening cylinder to fix, while the further locking pin of setting of fixing groove
Position of the bolt in main folder cylinder has just prevented a possibility that needle point is detached from sealing mechanism, has avoided because of outer friction or accident
Touching causes sealing to fail, and the present invention is made to have higher stability.
Detailed description of the invention
When Fig. 1 is two main folder cylinders and two fastening cylinders arranged side by side, structural schematic diagram of the invention；
Fig. 2 is that two main folder cylinders and two fastening cylinders are in closed configuration and fastening cylinder when being in initial position simultaneously, this hair
Bright structural schematic diagram；
Fig. 3 is two main folder cylinders and two fastening cylinders are in closed configuration simultaneously and the upper end of fastening cylinder moves to check ring
When following position, structural schematic diagram of the invention；
Fig. 4 is the A-A sectional view of Fig. 1；
Fig. 5 is the B-B sectional view of Fig. 2；
Fig. 6 is the C-C sectional view of Fig. 3.
In figure: it is non-return that 01. main folder cylinder, 02. fixing groove, 03. pintle, 04. connecting filament 05. fastens 06. cutting 07. of cylinder
08. needle point slot of ring, 09. needle point presss from both sides 10. protective plate, 11. needle stalk 12. lead-over groove of slot, 13. pintle slot 14. and buckles 15. needles stalk
16. 17. needle point of connection sheet
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The dedicated handguard of arterial blood air tube is closed clamping device, by main folder cylinder 01, fixing groove 02, connecting filament 04, fastening cylinder 05,
Cutting 06, check ring 07, needle point slot 08, needle point folder 09, protective plate 10, needle stalk slot 11, lead-over groove 12, pintle slot 13, buckle 14
It is constituted with connection sheet 16.
Main folder cylinder 01 is the column structure that material is polypropylene plastics, cross section is semi-circular shape, main folder cylinder 01 from upper and
Under be divided into upper, middle and lower, have on the vertical planomural on the top of main folder cylinder 01 and mutually fitted with the pintle shape of blood gas needle
It answers, is additionally provided with semiorbicular fixing groove 02 on pintle slot 13, the width of fixing groove 02 and depth are convex with 03 edge of pintle
Edge is played to be adapted.There is needle stalk slot identical with the needle of blood gas needle stalk overall diameter on the vertical planomural of the lower part of main folder cylinder 01
11, having shaft section on the vertical planomural at the middle part of main folder cylinder 01 is trapezoidal lead-over groove 12, the upper end of lead-over groove 12 and pintle slot
13 bottom end lateral dimensions are identical and communicate with each other, and the lower end of lead-over groove 12 is identical as needle stalk 11 lateral dimension of slot and communicates with each other.
Two main folder cylinders 01 are arranged side by side and the neighboring edge of the vertical planomural on two main folder cylinders, 01 top is in contact with each other.Connection sheet 16 is item
The flexible plastic piece of shape, a connection sheet 16 are Nian Jie with the neighboring edge of vertical planomural of above-mentioned two main folders cylinder 01 simultaneously.In place
It is equipped with simultaneously on the left side vertical edge of the main folder cylinder 01 on the left side and on the right vertical edge of the main folder cylinder 01 on the right
The buckle 14 to correspond to each other.
Needle point folder 09 is half circular platform type structure of rubber material, has vertical needle point slot on the vertical planomural of needle point folder 09
08, the diameter of needle point slot 08 is less than the diameter of needle stalk slot 11, and the bottom end of needle point slot 08 is the acute angle shape of pointed end.Each needle point
There is the columnar cutting 06 with needle point folder 09 for an entirety on the upper transverse plane of folder 09.The curved edge of 09 upper end is pressed from both sides in needle point
There is the semiorbicular check ring 07 with needle point folder 09 for an entirety at place, and the cross section of check ring 07 is semicircle, described non-return
The cross section of ring 07 refers to the cross section vertical with the tangent line of semicircle axis of check ring 07.
Two needle point folders 09 are arranged side by side, and the cutting 06 of the upper end of each needle point folder 09 inserts in the bottom face of main folder cylinder 01
Vertical blind hole in and it is Nian Jie with blind pore wall.Two needle points folder 09 lower edge be in contact, the part being in contact with a company
16 phase of contact pin bonding.Protective plate 10 is the cylindrical body that material identical with the basal diameter of needle point folder 09 is polypropylene plastics, is prevented
The top surface of backplate 10 is Nian Jie with the bottom surface of a needle point folder 09, and bonding region is the circular half in 10 top surface of protective plate.
Fastening cylinder 05 is the column structure that material is rigid plastics, cross section is semi-circular shape.Two fastening cylinders 05 are side by side
It is arranged and the neighboring edge of the vertical planomural of two fastening cylinders 05 is in contact with each other, a connection sheet 16 fastens cylinder 05 with above-mentioned two simultaneously
Vertical planomural neighboring edge bonding.
The semi-cylindrical that the middle part of described two main folder cylinders 01 is respectively at two fastening cylinders 05 being connected to each other simultaneously is empty
In.Along fastening cylinder 05 between the curved surface on the top of the top surface and corresponding main folder cylinder 01 of each fastening cylinder 05
Even circumferential is distributed with multiple vertical connecting filaments 04, and the upper end of the connecting filament is Nian Jie with 01 upper curved surface of main folder cylinder, lower end
It is Nian Jie with fastening 05 top surface of cylinder.Fastening cylinder 05 on the left side vertical edge for the fastening cylinder 05 for being located at the left side and positioned at the right
The buckle 14 to correspond to each other is equipped on right vertical edge simultaneously.
Operator finishes in blood sampling and by needle point after extracting out in blood vessel, first pinches main folder cylinder 01 with left hand, the right hand pinches
Pintle 03 simultaneously places it at pintle slot 13, and then the right hand, which refers to, presses pintle 03 into pintle slot 13, and needle obstructs during pressing
15 enter eventually under the guiding role of lead-over groove 12 in needle stalk slot 11, and the tip of this hour hand stalk 15 is placed at needle point slot 08.
Two main folder cylinders 01 and two fastening cylinders 05 are rotated and closed up around the connection sheet 16 mutually be bonded with it respectively, then will be located at two respectively
The buckle 14 to correspond to each other on main folder cylinder 01 and two fastening cylinders 05 fastens.Pintle 03 is in two main folder cylinders, 01 top and is enclosed at this time
Cylindrical space in, the raised brim of 03 upper end of pintle is in fixing groove 02, needle stalk 15 in two main folder cylinders 01 middle part and
In the cylindrical space that lower part is enclosed.At this point, the right hand pinches the two main folder cylinders 01 fastened each other, left hand pinches to be fastened each other
Two fasten the rotation of cylinders 05 until whole connecting filaments 04 is broken, and then left hand pinches two fastened each other and fastens cylinders 05 to needle tip
Extreme direction sliding, when fastening cylinder 05 is placed on needle point folder 09, under the extruding of fastening 05 inner wall of cylinder, two needle points folder 09 is tight each other
Close combination and needle point 17 is surrounded and squeezed by the wall of two needle point slots 08, needle point 17 is by 09 sealing of needle point folder.When fastening cylinder 05 it is upper
After edge squeezes and crosses check ring 07, check ring 07 restores raised form again under its own elastic reaction and blocks tight
Gu the path that cylinder 05 retracts makes fastening cylinder 05 keep stablizing stationary state after operator lets go.
Claims (1)
1. a kind of dedicated handguard of arterial blood air tube is closed clamping device, by main folder cylinder, fixing groove, connecting filament, fastening cylinder, cutting,
Check ring, needle point slot, needle point folder, protective plate, needle stalk slot, lead-over groove, pintle slot, buckle and connection sheet are constituted, it is characterized in that: main
Folder cylinder is material is polypropylene plastics, cross section is semi-circular shape column structure, main folder cylinder be divided into from top to bottom top,
Middle part and lower part have on the vertical planomural on the top of main folder cylinder and are adapted with the pintle shape of blood gas needle, on pintle slot also
Equipped with semiorbicular fixing groove, the width and depth of fixing groove and the raised brim at pintle edge are adapted, under main folder cylinder
There is needle stalk slot identical with the needle of blood gas needle stalk overall diameter on the vertical planomural in portion, has axis on the vertical planomural at the middle part of main folder cylinder
Section is trapezoidal lead-over groove, and the upper end of lead-over groove is identical as pintle slot bottom end lateral dimension and communicates with each other, under lead-over groove
End and needle stalk slot lateral dimension are identical and communicate with each other, and two main folder cylinders are arranged side by side and the vertical planomural on two main folder cylinder tops
Neighboring edge is in contact with each other, and connection sheet is the flexible plastic piece of bar shaped, and a connection sheet is vertical with above-mentioned two main folders cylinder simultaneously
The neighboring edge of planomural is bonded, the right side of the main folder cylinder on the left side vertical edge of main folder cylinder for being located at the left side and positioned at the right
The buckle to correspond to each other is equipped in vertical edge simultaneously, needle point folder is half circular platform type structure of rubber material, and needle point presss from both sides vertical
There is vertical needle point slot on planomural, the diameter of needle point slot is less than the diameter of needle stalk slot, and the bottom end of needle point slot is the sharp of pointed end
It is angular, there are the columnar cutting with needle point folder for an entirety, the arc in needle point folder upper end on the upper transverse plane of each needle point folder
There is the semiorbicular check ring with needle point folder for an entirety in shape edge, and the cross section of check ring is semicircle, described non-return
The cross section of ring refers to the cross section vertical with the tangent line of semicircle axis of check ring, and two needle point folders are arranged side by side, often
It is in the vertical blind hole for the bottom face that the cutting of the upper end of a needle point folder inserts in main folder cylinder and Nian Jie with blind pore wall, two needle points folder
Lower edge is in contact, and the part being in contact is mutually be bonded with a connection sheet, and protective plate is the basal diameter phase with needle point folder
Same material is the cylindrical body of polypropylene plastics, and the top surface of protective plate is Nian Jie with the bottom surface that a needle point presss from both sides, and bonding region is anti-
The circular half in backplate top surface, fastening cylinder are the column structure that material is rigid plastics, cross section is semi-circular shape, two fastenings
Cylinder is arranged side by side and the neighboring edge of the vertical planomural of two fastening cylinders is in contact with each other, and a connection sheet fastens cylinder with above-mentioned two simultaneously
Vertical planomural neighboring edge bonding, the middle parts of described two main folder cylinders is respectively at two fastening cylinders being connected to each other simultaneously
Semi-cylindrical space in, each fastening cylinder top surface and corresponding main folder cylinder top curved surface between along tight
Gu the even circumferential of cylinder is distributed with multiple vertical connecting filaments, the upper end of the connecting filament is Nian Jie with main folder cylinder upper curved surface, under
End is Nian Jie with fastening cylinder top surface, the right side of the fastening cylinder on the left side vertical edge for the fastening cylinder for being located at the left side and positioned at the right
The buckle to correspond to each other is equipped in vertical edge simultaneously, operator finishes and by needle point after extracting out in blood vessel in blood sampling, first uses
Left hand pinches main folder cylinder, and the right hand pinches pintle and places it at pintle slot, and then the right hand, which refers to, presses pintle into pintle slot,
Needle stalk is entered eventually under the guiding role of lead-over groove in needle stalk slot during pressing, and the tip of this hour hand stalk is placed in needle point slot
Two main folder cylinders and two fastening cylinders are rotated and are closed up around the connection sheet mutually be bonded with it respectively, it is main then will to be located at two respectively by place
The buckle to correspond to each other on folder cylinder and two fastening cylinders fastens, and pintle is in the cylindrical space that two main folder cylinder tops are enclosed at this time
Interior, the raised brim of pintle upper end is in fixing groove, the column that middle part and lower part of the needle stalk in two main folder cylinders are enclosed
In space, at this point, the right hand pinches the two main folder cylinders fastened each other, left hand pinches the two fastening cylinder rotations fastened each other until all
Connecting filament fracture, then left hand pinch fasten each other two fastening cylinders to needle tip direction slide, when fastening cylinder be placed on needle
When on point folder, under the extruding of fastening cylinder inner wall, two needle points folder is tightly coupled to each other and needle point is surrounded simultaneously by the wall of two needle point slots
It squeezes, needle point is pressed from both sides by needle point and sealed, and after the top edge for fastening cylinder squeezes and crosses check ring, check ring is made in its own elasticity
Restore raised form again under and block the path that fastening cylinder retracts, make to fasten cylinder keep stablizing after operator lets go it is quiet
Only state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845149.2A CN110393535B (en) | 2019-09-08 | 2019-09-08 | Hand-protecting closing clamping mechanism special for arterial blood gas needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845149.2A CN110393535B (en) | 2019-09-08 | 2019-09-08 | Hand-protecting closing clamping mechanism special for arterial blood gas needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110393535A true CN110393535A (en) | 2019-11-01 |
| CN110393535B CN110393535B (en) | 2023-05-26 |
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ID=68328392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910845149.2A Active CN110393535B (en) | 2019-09-08 | 2019-09-08 | Hand-protecting closing clamping mechanism special for arterial blood gas needle |
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| Country | Link |
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| CN (1) | CN110393535B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067442A (en) * | 1992-06-23 | 1994-01-18 | Kazumasa Takemori | Blade-like needle |
| US20070203514A1 (en) * | 2006-02-27 | 2007-08-30 | Agamatrix, Inc. | Safe Locking Lancet |
| CN201333042Y (en) * | 2009-01-05 | 2009-10-28 | 韩淑芳 | Dedicated needle provided with needle cap and used for collecting blood-gas analysis specimens |
| CN203710479U (en) * | 2014-01-28 | 2014-07-16 | 中国人民解放军总医院 | Simple syringe needle obtaining device |
| CN208355476U (en) * | 2017-10-16 | 2019-01-11 | 王延峰 | A kind of medical artery blood sampling equipment kept the temperature and blood clotting can be prevented |
-
2019
- 2019-09-08 CN CN201910845149.2A patent/CN110393535B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067442A (en) * | 1992-06-23 | 1994-01-18 | Kazumasa Takemori | Blade-like needle |
| US20070203514A1 (en) * | 2006-02-27 | 2007-08-30 | Agamatrix, Inc. | Safe Locking Lancet |
| CN201333042Y (en) * | 2009-01-05 | 2009-10-28 | 韩淑芳 | Dedicated needle provided with needle cap and used for collecting blood-gas analysis specimens |
| CN203710479U (en) * | 2014-01-28 | 2014-07-16 | 中国人民解放军总医院 | Simple syringe needle obtaining device |
| CN208355476U (en) * | 2017-10-16 | 2019-01-11 | 王延峰 | A kind of medical artery blood sampling equipment kept the temperature and blood clotting can be prevented |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110393535B (en) | 2023-05-26 |
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