CN109999269A - Locking needle apparatus - Google Patents
Locking needle apparatus Download PDFInfo
- Publication number
- CN109999269A CN109999269A CN201910376942.2A CN201910376942A CN109999269A CN 109999269 A CN109999269 A CN 109999269A CN 201910376942 A CN201910376942 A CN 201910376942A CN 109999269 A CN109999269 A CN 109999269A
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- China
- Prior art keywords
- needle
- syringe needle
- arm
- folder
- adjutage
- Prior art date
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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
-
- 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
- A61M2005/1583—Needle extractors
-
- 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
- A61M2005/1586—Holding accessories for holding infusion needles on the body
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to medical appliance fields, and in particular to a kind of locking needle apparatus comprising steel needle, syringe needle folder and syringe needle clamp lock close excitation apparatus；Syringe needle folder is successively formed by connecting by the first arm, bending section, the second arm, adjutage, and the first arm is opposite with the second arm, and bending section is opposite with adjutage；Hole one of the steel needle through bending section, adjutage hole two pressed from both sides through syringe needle；The nearly cutting tip of steel needle suppresses an impression, and the maximum gauge at the impression position is greater than the diameter of steel needle；Position limiting structure is equipped in syringe needle folder；The docking location of first arm and adjutage is equipped with can locking mechanism；There is protrusion on first arm outer wall；Syringe needle clamp lock is closed excitation apparatus and is sleeved on syringe needle folder, and wall is equipped with excitation structure；When pulling out needle, syringe needle folder is moved back, and the first arm presss from both sides medial motion to syringe needle, and syringe needle clamp lock is closed.The present apparatus makes medical personnel maintain original operating habit, can operate faster convenience automatically by needle point locking without nuisance operation when pulling out needle and be not susceptible to maloperation.
Description
Technical field
The present invention relates to a kind of locking needle apparatus, belong to medical appliance field.
Background technique
Transfusion nursing is an important and common care operation in clinical care, in recent years infusion apparatus, venous indwelling
The application range of steel needle constantly expands, in clinical each department's popularization and application.
But domestic numerous studies prove that medical worker is the high-risk professional colony of Emperical Bayesian method, medical worker's
Incised wound is seen often on both hands, wound caused by steel needle is stabbed etc..And the medical worker of overwhelming majority hospital, China carries out at present
When periphery venipuncture without gloves, therefore medical worker is when extracting needle core (i.e. steel needle), on the one hand has by the needle point of needle core
A possibility that stabbing, on the other hand, the blood of the needle point outflow of steel needle are also possible to touch the wound of medical worker and cause
Blood pollution, these all can bring security risk to medical worker.
Therefore, occur device much with anti-needle thorn function in the market, syringe needle can be accommodated in protection container
And can not restore, to play required protective action, medical worker can be prevented to be wounded by stabbing and prevent medical worker's contact pin
The blood that point is flowed out.
But presently commercially available Needlestick prevention device is in practical application, some need medical personnel to change original operation habit
It is used, that is, it needs Needlestick prevention device is mobile to syringe needle side and coats syringe needle, realize protection, and require to take and individually swash
Start to make, so that relative motion occurs for Needlestick prevention device and syringe needle, is finally reached the purpose for storing syringe needle.
Summary of the invention
The technical problem to be solved by the present invention is overcoming deficiency in the prior art, medical work can be made by providing one kind
Person keeps original operating habit and can automatically fill the locking syringe needle of needle point locking when extracting steel needle without nuisance operation
It sets.
Locking needle apparatus of the present invention, including steel needle, syringe needle folder and syringe needle clamp lock close excitation apparatus；Syringe needle folder according to
Secondary to be formed by connecting by the first arm, bending section, the second arm, adjutage, the first arm is opposite with the second arm, bending section and adjutage phase
Right, bending section is equipped with hole one, and adjutage is equipped with hole two；Steel needle is pressed from both sides through hole one, hole two through syringe needle；The nearly puncture of steel needle
One impression of side pressure system, the maximum gauge at the impression position are greater than the diameter of steel needle, and the end of steel needle connects needle stand；It is set in syringe needle folder
There is the position limiting structure for preventing steel needle from deviating from from bending section；The docking location of first arm and adjutage be equipped with can locking mechanism it is (normal
Under state, the first arm and adjutage docking location can locking mechanism it is not sealed)；The outer wall of first arm is equipped with protrusion；Needle
Head clamp lock is closed excitation apparatus and is sleeved on syringe needle folder, and wall is equipped with excitation structure；
When pulling out needle, syringe needle is moved into syringe needle folder, and position limiting structure drives syringe needle folder to move back, and the first arm is under excitation structure effect
Press from both sides medial motion to syringe needle, the docking location of the first arm and adjutage by can locking mechanism realize sealed, i.e. realization syringe needle folder
It is sealed.
In the present invention, can locking mechanism be setting adjutage outer end (i.e. the one end of adjutage far from the second arm) gib head
Barb towards inside syringe needle folder, after the outer end of the first arm is caught in the barb of adjutage, i.e. realization syringe needle clamp lock is closed.
In the present invention can locking mechanism further include that the gib head of the first arm outer end is set towards the hook on the outside of syringe needle folder,
Hook can cooperate with the barb of adjutage outer end, realize the sealed of syringe needle folder.When the hook of the first arm is caught in falling for adjutage
When in hook, hook is hooked in together with barb, so that syringe needle clamp lock is dead, the first arm caused by maloperation is avoided to be detached from from adjutage
The problem of, it is ensured that it is internal that syringe needle can be locked in syringe needle folder always.
In the present invention, there is limited block on the inner wall of the first arm, when pulling out needle, syringe needle is moved into syringe needle folder after limited block
Side and be limited block blocking, make steel needle can not return (i.e. steel needle can not from syringe needle press from both sides top be pierced by), it is ensured that steel needle needle point quilt
It is locked together in syringe needle folder.If not set limited block, steel needle return can be prevented by the way of by steel needle bending, is avoided
Steel needle needle point is pierced by from syringe needle folder top.
Locking needle apparatus of the present invention use process is as follows:
In normal state (before working), steel needle presss from both sides the present apparatus across syringe needle, and syringe needle presss from both sides the protrusion on the first arm outer wall
At the excitation structure that syringe needle clamp lock closes excitation apparatus, when extracting steel needle, needle stand is pulled back, syringe needle is driven to be retracted into syringe needle
In folder, when the impression on steel needle reaches the position limiting structure position in syringe needle folder, syringe needle presss from both sides same by the pulling force and steel needle of steel needle
Step moves backward, and the protrusion on the first arm outer wall is pressed from both sides medial motion to syringe needle by the effect of excitation structure, i.e. excitation mechanism squeezes
Indentor point presss from both sides the first arm, until the outer end hook of the first arm is caught in the barb of adjutage, syringe needle folder front end is sealed, while first
Limited block on arm inner wall blocks steel needle elder generation front direction, make steel needle can not return (i.e. steel needle can not from syringe needle press from both sides top wear
Out), while under the collective effect that impression and syringe needle press from both sides interior position limiting structure, syringe needle etc. is located at the part meeting of steel needle impression front end
It is locked in syringe needle folder, that is, realizes steel needle locking functions.If continuing to pull back needle stand, syringe needle folder can be closed with syringe needle clamp lock
Excitation apparatus is detached from.
Analyze above-mentioned use process it is found that locking needle apparatus of the present invention have in the actual operation process it is following excellent
Gesture:
One, medical personnel persistently exerts a force when pulling out steel needle, and steel needle needle point can be made to be included in syringe needle folder, easy to operate,
And because medical personnel maintains original operating habit, therefore it is not susceptible to maloperation, use is more safe and reliable；
Two, excitation apparatus is closed because the syringe needle clamp lock being set on syringe needle folder is arranged in the excitation mechanism that excitation syringe needle clamp lock is closed
On, therefore, during pulling out steel needle, syringe needle folder meeting automatic trigger excitation mechanism realizes that syringe needle folder front end is sealed, i.e., without extra
Operation can realize steel needle locking functions automatically, operate more efficient and convenient.
Position limiting structure in the present invention can be designed as diversified forms, be two kinds of preferred forms below:
The first form:
Position limiting structure is a syringe needle limit film, mounting hole is provided in syringe needle limit film, syringe needle limit film is by opening installation
Hole is mounted on steel needle and relative displacement can occur with steel needle, and the impression position of steel needle can not pass through (such as: peace from mounting hole
It fills hole aperture to be greater than the diameter of steel needle and be less than the maximum gauge at impression position)；Syringe needle limit film is located at impression position and bending
Between portion, and it can not pass through from the Kong Yizhong of bending section.
Second of form:
Bending section carries limit function, and concrete structure design is as follows: the impression position of steel needle can not be from the hole one of bending section
In by (such as: the diameter in the hole one of bending section be less than impression maximum gauge), the bending section for being provided with hole one is position limiting structure.
In above two position limiting structure, the mounting hole or syringe needle folder that are greater than in syringe needle limit film due to the maximum gauge of impression
The full-size of upper the opened up hole one (i.e. bending section limit hole) in bending section, when rear external force (such as acts on needle in steel needle
Pulling force on seat) when, syringe needle folder synchronous with steel needle can move backward.
Protrusion in the present invention on the first arm outer wall, is upper surface close to the face of adjutage, and the face close to bending section is
Lower end surface, the lower end surface are from protruding end to the inclined inclined-plane in raised root.The inclined-plane can be flat bevel, be also possible to edge
Inclined direction has the inclined-plane of small curvature indent circular arc).
Sealed excitation apparatus in the present invention is in a tubular form；The excitation structure can be on the inner wall of sealed excitation apparatus
Set pit, protrusion are located in pit；Excitation structure is also possible to the through-hole opened up on the wall of sealed excitation apparatus, convex
It rises and is located in through-hole.
When pulling out needle, syringe needle folder is moved back, in sealed excitation apparatus under the action of excitation structure (pit or through-hole), protrusion
The first arm is driven to press from both sides medial motion to syringe needle, so that the outer end (i.e. the one end of the first arm far from bending section) of the first arm be made to be caught in and prolong
In the barb of semi-girder, it is sealed that syringe needle presss from both sides front end completion.
In the present invention, the right and left respectively has the limit rib of an evagination on the inside of the second arm, and steel needle is between two limit ribs
Space in, pass through two limit ribs and limit steel needle and move left and right.
Compared with the prior art, the invention has the beneficial effects that:
1, medical personnel persistently exerts a force when pulling out steel needle, and steel needle needle point can be made to be included in syringe needle folder, can be prevented
Medical worker is wounded by stabbing, and can prevent medical worker from contacting the blood that steel needle needle point is flowed out, and because medical personnel keeps
Original operating habit, it is therefore, easy to operate, be not susceptible to maloperation；
2, excitation apparatus is closed because the syringe needle clamp lock being set on syringe needle folder is arranged in the excitation mechanism that excitation syringe needle clamp lock is closed
On, therefore, during pulling out steel needle, syringe needle folder meeting automatic trigger excitation mechanism realizes that syringe needle folder front end is sealed, i.e., without extra
Operation can realize steel needle locking functions automatically, operate more efficient and convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one in the present invention；
Fig. 2 is the structural schematic diagram at steel needle impression position；
Fig. 3 is the structural schematic diagram of syringe needle folder；
Fig. 4 is the structural schematic diagram of embodiment two in the present invention.
In figure: 1, steel needle；2, impression；3, adjutage；4, barb；5, syringe needle clamp lock closes excitation apparatus；6, it links up with；7, it limits
Block；8, raised；9, pit；10, the first arm；11, syringe needle limit film；12, bending section；13, needle stand；14, the second arm；15, it limits
Position muscle；16, Kong Yi；17, hole two；18, through-hole；
8.1, upper surface；8.2, protruding end；8.3, lower end surface.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
Embodiment one:
As shown in Figure 1-3, locking needle apparatus includes that steel needle 1, syringe needle folder and syringe needle clamp lock close excitation apparatus 5；
Syringe needle folder is successively formed by connecting by the first arm 10, bending section 12, the second arm 14, adjutage 3, the first arm 10 and second
Arm 14 is opposite, and bending section 12 and adjutage 3 are opposite, and bending section 12 is equipped with hole 1, and adjutage 3 is equipped with hole 2 17；
Steel needle 1 is pressed from both sides through hole 1, hole 2 17 through syringe needle；The nearly cutting tip of steel needle 1 suppresses an impression 2, the indentation unit
The maximum gauge of position is greater than the diameter of steel needle 1, and the end of steel needle 1 connects needle stand 13；Being equipped in syringe needle folder prevents steel needle from bending
The position limiting structure of portion's abjection；
Position limiting structure in the present embodiment is a syringe needle limit film 11, and mounting hole, syringe needle limit are provided in syringe needle limit film 11
Bit slice 11 by opened mounting hole be mounted on steel needle 1 and can with steel needle 1 generation relative displacement, and the impression position of steel needle 1 without
Method passes through from mounting hole, and syringe needle limit film 11, and can not be from the hole of bending section 12 between impression position and bending section 12
Pass through in one 16；
There is limited block 7, outer wall is equipped with protrusion 8, and the protrusion 8 is close to the face of adjutage 3 on the inner wall of first arm 10
For upper surface 8.1, the face close to bending section 12 is lower end surface 8.2, which is to incline from protruding end 8.2 to raised root
Oblique inclined-plane (inclined-plane can be flat bevel, be also possible to inclined-plane along inclined direction with small curvature indent circular arc)；This
Sealed excitation apparatus in embodiment in a tubular form, be sleeved on syringe needle folder on, wall be equipped with excitation structure, excitation structure be
Set pit 9 on the inner wall of sealed excitation apparatus, protrusion 8 are located in pit 9；
Second arm, 14 inside the right and left respectively has the limit rib 15 of an evagination, and steel needle 1 is between two limit ribs 15
In space, moving left and right for steel needle 1 is limited by two limit ribs 15；
The outer end (i.e. the one end of adjutage 3 far from the second arm 14) of adjutage 3 has gib head towards falling inside syringe needle folder
Hook 4；The outer end (i.e. first one end of arm 10 far from bending section 12) of first arm 10 has hook of the gib head towards syringe needle folder outside
6, hook 6 can cooperate with the barb 4 of 3 outer end of adjutage, be hooked in together, so that syringe needle clamp lock is dead, caused by avoiding maloperation
The problem of first arm 10 is detached from from adjutage 3, it is ensured that it is internal that syringe needle can be locked in syringe needle folder always.
The present embodiment use process is as follows:
In normal state (before working), steel needle 1 presss from both sides this locking needle apparatus across syringe needle, and syringe needle presss from both sides outside the first arm 10
Protrusion 8 on wall is located at syringe needle clamp lock and closes at the pit 9 of excitation apparatus 5, when extracting steel needle 1, pulls back needle stand 13, drives
Syringe needle is retracted into syringe needle folder, when the impression 2 on steel needle 1 reaches syringe needle 11 position of limit film in syringe needle folder, drives syringe needle limit
Bit slice 11 moves back, until one 16 position of hole of bending section 12, syringe needle is pressed from both sides synchronous with steel needle 1 to be transported backward by the pulling force of steel needle 1
Dynamic, the protrusion 8 on 10 outer wall of the first arm is pressed from both sides inside fortune to syringe needle by the effect of set pit 9 on sealed excitation apparatus inner wall
Dynamic, i.e., 9 rear portion of pit squeezes syringe needle and presss from both sides the first arm 10, until the outer end hook 6 of the first arm 10 hooks in the barb 4 of adjutage 3,
It is sealed that syringe needle presss from both sides front end, while the limited block 7 on 10 inner wall of the first arm blocks the first front direction of steel needle 1, return steel needle 1 can not
Position (i.e. steel needle 1 can not press from both sides top from syringe needle and be pierced by), the two limit ribs 15 limitation steel needle 1 on the second arm 14 move left and right, simultaneously
Under the collective effect of impression 2 and syringe needle limit film 11, the part that syringe needle etc. is located at 1 impression of steel needle, 2 front end can be locked in
In syringe needle folder, that is, realize steel needle locking functions.If continuing to pull back needle stand 13, syringe needle folder can close excitation dress with syringe needle clamp lock
Set 5 disengagings.
In the actual operation process, as long as medical personnel's lasting force when pulling out steel needle 1, can be such that steel needle needle point is included in
In syringe needle folder, because being not necessarily to change the original operating habit of medical personnel, therefore it is not susceptible to maloperation；Meanwhile because exciting syringe needle
The excitation mechanism that clamp lock is closed is arranged in the syringe needle clamp lock being set on syringe needle folder and closes on excitation apparatus 5, therefore, is pulling out 1 for mistake of steel needle
Cheng Zhong, syringe needle folder meeting automatic trigger excitation mechanism realize that syringe needle folder front end is sealed, that is, are not necessarily to nuisance operation, can realize automatically
Steel needle locking functions, therefore presently commercially available Needlestick prevention device is compared, it operates more efficient and convenient.
Embodiment two:
As shown in figure 4, the structure of the present embodiment is basically the same as the first embodiment, the difference is that:
1, position limiting structure design is different:
Bending section 12 in the present embodiment carries limit function, and concrete structure design is as follows: the impression position of steel needle 1 can not
Pass through from the hole 1 of bending section 12, the bending section 12 for being provided with hole 1 is position limiting structure.
2, excitation structure design is different:
Excitation structure in the present embodiment is the through-hole 18 opened up on the wall of sealed excitation apparatus, and protrusion 8 is located at logical
In hole 18.
The present embodiment use process is as follows:
Before work, steel needle 1 is pressed from both sides across syringe needle, and the protrusion 8 on syringe needle folder 10 outer wall of the first arm is located at syringe needle clamp lock and closes excitation
In the through-hole 18 of device 5, when extracting steel needle 1, needle stand 13 is pulled back, drives syringe needle to be retracted into syringe needle folder, when on steel needle 1
Impression 2 reach syringe needle folder bending section 12 one 16 position of hole when, syringe needle press from both sides by steel needle 1 pulling force it is synchronous with steel needle 1 backward
It moves, the protrusion 8 on 10 outer wall of the first arm is pressed from both sides inside to syringe needle by the effect of set through-hole 18 on sealed excitation apparatus inner wall
Movement, i.e. through-hole 18 squeeze the first arm 10 close to 13 one end of needle stand, until the outer end hook 6 of the first arm 10 hooks adjutage 3
In barb 4, it is sealed that syringe needle presss from both sides front end, while the limited block 7 on 10 inner wall of the first arm blocks the first front direction of steel needle 1, makes steel
Needle 1 can not return, the two limit ribs 15 limitation steel needle 1 on the second arm 14 moves left and right, while on impression 2 and bending section 12
Under the collective effect in hole 1, syringe needle is locked in syringe needle folder, realizes steel needle locking functions.If continuing to pull back needle stand
13, syringe needle folder can close excitation apparatus 5 with syringe needle clamp lock and be detached from.
Embodiment three:
The position limiting structure in embodiment one is only replaced with into the position limiting structure in embodiment two, other structures are and embodiment
One is identical, and concrete operating principle and use process are also basically the same as the first embodiment.
Example IV:
The excitation structure in embodiment one is only replaced with into the excitation structure in embodiment two, other structures are and embodiment
One is identical, and concrete operating principle and use process are also basically the same as the first embodiment.
Claims (10)
1. a kind of locking needle apparatus, it is characterised in that: close excitation apparatus (5) including steel needle (1), syringe needle folder and syringe needle clamp lock；
Syringe needle folder is successively formed by connecting by the first arm (10), bending section (12), the second arm (14), adjutage (3), the first arm (10) and the
Relatively, bending section (12) and adjutage (3) relatively, bending section (12) are equipped with hole one (16) to two arms (14), and adjutage is set on (3)
There is hole two (17)；Steel needle (1) Jing Kongyi (16), hole two (17) are pressed from both sides through syringe needle；The nearly cutting tip of steel needle (1) suppresses an impression
(2), the maximum gauge at the impression position is greater than the diameter of steel needle (1), and the end of steel needle (1) connects needle stand (13)；In syringe needle folder
Equipped with the position limiting structure for preventing steel needle from deviating from from bending section；The docking location of first arm (10) and adjutage (3) is equipped with can be sealed
Mechanism；The outer wall of first arm (10) is equipped with raised (8)；Syringe needle clamp lock is closed excitation apparatus (5) and is sleeved on syringe needle folder, Qi Bishang
Equipped with excitation structure；
When pulling out needle, syringe needle is moved into syringe needle folder, and position limiting structure drives syringe needle folder to move back, and the first arm (10) is under excitation structure effect
Press from both sides medial motion to syringe needle, the docking location of the first arm (10) and adjutage (3) by can locking mechanism realization it is sealed.
2. locking needle apparatus according to claim 1, it is characterised in that: position limiting structure is a syringe needle limit film (11),
It is provided with mounting hole in syringe needle limit film (11), syringe needle limit film (11) is mounted on steel needle (1) by opened mounting hole and can be with
Relative displacement occurs for steel needle (1), and the impression position of steel needle (1) can not pass through from mounting hole；Syringe needle limit film (11) is located at
Between impression position and bending section (12), and it can not pass through from the hole one (16) of bending section (12).
3. locking needle apparatus according to claim 1, it is characterised in that: the impression position of steel needle (1) can not be from bending
Pass through in the hole one (16) in portion (12), the bending section (12) for being provided with hole one (16) is position limiting structure.
4. locking needle apparatus according to claim 1,2 or 3, it is characterised in that: the protrusion on the first arm (10) outer wall
It (8), is upper surface (8.1) close to the face of adjutage (3), the face close to bending section (12) is lower end surface (8.2), the lower end surface
(8.2) for from protruding end (8.2) to the inclined inclined-plane in raised root.
5. locking needle apparatus according to claim 4, it is characterised in that: sealed excitation apparatus is in a tubular form；The excitation
Structure is set pit (9) on the inner wall of sealed excitation apparatus, and raised (8) are located in pit (9).
6. locking needle apparatus according to claim 4, it is characterised in that: sealed excitation apparatus is in a tubular form；The excitation
Structure is the through-hole (18) opened up on the wall of sealed excitation apparatus, and raised (8) are located in through-hole (18).
7. any locking needle apparatus in -3 or 5-6 according to claim 1, it is characterised in that: on the inside of the second arm (14)
The right and left respectively has the limit rib (15) of an evagination, and steel needle (1) is in the space between two limit ribs (15).
8. any locking needle apparatus in -3 or 5-6 according to claim 1, it is characterised in that: the first arm (10) it is interior
There are limited block (7) on wall, when pulling out needle, syringe needle moves into syringe needle and presss from both sides interior limited block (7) rear and be limited block (7) resistance
Gear.
9. any locking needle apparatus in -3 or 5-6 according to claim 1, it is characterised in that: can locking mechanism be to set
The gib head in adjutage (3) outer end is set towards the barb (4) inside syringe needle folder, the outer end of the first arm (10) is caught in adjutage (3)
Barb (4) in after, i.e., realization syringe needle clamp lock close.
10. locking needle apparatus according to claim 9, it is characterised in that: can locking mechanism further include be arranged first
Towards the hook (6) in syringe needle folder outside, linking up with (6) can match the gib head of arm (10) outer end with the barb (4) of adjutage (3) outer end
It closes, realizes the sealed of syringe needle folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376942.2A CN109999269A (en) | 2019-05-07 | 2019-05-07 | Locking needle apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376942.2A CN109999269A (en) | 2019-05-07 | 2019-05-07 | Locking needle apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109999269A true CN109999269A (en) | 2019-07-12 |
Family
ID=67176024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910376942.2A Withdrawn CN109999269A (en) | 2019-05-07 | 2019-05-07 | Locking needle apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109999269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538360A (en) * | 2019-09-25 | 2019-12-06 | 国旭天华（苏州）医疗器械科技有限公司 | self-locking safety needle for transfusion port |
-
2019
- 2019-05-07 CN CN201910376942.2A patent/CN109999269A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538360A (en) * | 2019-09-25 | 2019-12-06 | 国旭天华（苏州）医疗器械科技有限公司 | self-locking safety needle for transfusion port |
| CN110538360B (en) * | 2019-09-25 | 2024-03-29 | 国旭天华（苏州）医疗器械科技有限公司 | Self-locking safety needle for transfusion port |
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Application publication date: 20190712 |