CN108338796A - Disposable lancet and intravenous needle - Google Patents
Disposable lancet and intravenous needle Download PDFInfo
- Publication number
- CN108338796A CN108338796A CN201710047354.5A CN201710047354A CN108338796A CN 108338796 A CN108338796 A CN 108338796A CN 201710047354 A CN201710047354 A CN 201710047354A CN 108338796 A CN108338796 A CN 108338796A
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- Prior art keywords
- syringe needle
- mounting portion
- structure part
- needle
- structural member
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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
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- 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
- A61B5/150381—Design of piercing elements
-
- 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
- A61B5/15074—Needle sets comprising wings, e.g. butterfly type, for ease of handling
-
- 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
- A61B5/150748—Having means for aiding positioning of the piercing device at a location where the body is to be pierced
-
- 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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- 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
- A61M2005/1586—Holding accessories for holding infusion needles on the body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses disposable blood taking needles, including：Needle stand includes at least mounting portion, and has when using close to the first side of skin；There is syringe needle the first end being connect with needle stand, syringe needle to be parallel to the extension of the first side；First structure part, first structure part are arranged in the outside of mounting portion and are slidably matched along syringe needle extending direction with mounting portion, and the second structural member, the second structural member is arranged in the outside of first structure part and is slidably matched along syringe needle extending direction with the second structural member；Have on the bottom structure of the first side of second structural member beyond the mounting portion for the inclined-plane with skin attachement, vertical range between the inclined-plane and the syringe needle is gradually reduced on direction of the first end to second end of the syringe needle.The invention also discloses a kind of disposable vein pin, purpose is all the comfort level of patient when improving infusion.
Description
Technical field
The present invention relates to disposable lancets and disposable intravenous needle.
Background technology
The blood taking needle and intravenous needle of existing such as intravenous needle etc, it typically is disposable.In order to facilitate medical matters people
Operation of the member when pulling out needle, can add operable structure, such as Patent document number on blood taking needle and intravenous needle
A kind of needling device is disclosed in the patent of CN205649700U comprising a needle stand and one is placed in syringe needle in the needle stand,
It is slidably equipped with one first external member above the needle stand, one second external member is slidably equipped with above first external member；The needle stand it is upper
Surface is equipped at least one lug boss, and the rear end of first external member is equipped with a through-hole, at least one bullet is equipped in the through-hole
Property limiting unit, it is described when the lug boss is moved between the inner wall of the through-hole and the free end of the elastic limiting unit
Elastic limiting unit limits fixing end movement of the lug boss towards the elastic limiting unit；First external member and second set described
Position limiting structure is additionally provided between part.The bottom of second external member is equipped with the bed course that bottom is burnishing surface.According to above-mentioned patent text
The disclosure offered is it is found that when the syringe needle of Needlestick prevention device needs between patient skin in smaller angle of inclination, the tablet of bed course
Type design may increase the angle of inclination, then increase the pain at patient's needle thorn position；When Needlestick prevention device syringe needle need with
When between patient skin being in larger angle of inclination, then the plate design of bed course can not support entire needling device and skin be in compared with
Wide-angle, operator need more dependence experiences to go to select or keep the angle of needle insertion so that puncture failure wears out blood vessel
It is very risky, and when the syringe needle of the Needlestick prevention device penetrate blood duct tapes cross sticker fix needle stand when, the syringe needle
Second end, which inevitably will appear, chooses phenomenon, and syringe needle the second side may be caused possibly even to cause syringe needle tight close to vascular wall
Patch vascular wall simultaneously drive blood vessel to move up, not only so that patient generate pain, it is serious can also influence to be infused or take a blood sample it is suitable
Smooth property, or even cause puncture failure.Therefore, in need to propose a kind of follow-on sting device, before facilitating medical worker
It puts, to reduce pain of the patient in infusion, meets the needs of patient.
Invention content
The technical problem to be solved by the present invention is in order to overcome existing sting device to bring larger pain to patient, and carry
Go out to improve the blood taking needle and intravenous needle of patient comfort.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of disposable lancet, including：Needle stand includes at least mounting portion, and has when using close to skin
First side；There is syringe needle the first end being connect with the needle stand, the syringe needle to be parallel to first side and extend；First structure
Part, the first structure part are arranged in the outside of the mounting portion and match along syringe needle extending direction sliding with the mounting portion
Close, the first position-limit mechanism be equipped between the first structure part and the mounting portion, be suitable for limiting the first structure part along
The extending direction of the syringe needle and the installation section from；Second structural member, second structural member are arranged in first knot
It the outside of component and is slidably matched along the syringe needle extending direction with second structural member；The first structure part and described
It is equipped with the second position-limit mechanism between two structural members, is suitable for limiting extending direction and institute of second structural member along the syringe needle
State the separation of first structure part；The first structure part and second structural member are suitable for by being slided along the syringe needle extending direction
The second end opposite with the first end of the syringe needle to be received into second structural member；
The mounting portion be the needle stand on the first structure part can be by first knot during being slidably matched
The part of component covering；First side of the first structure part without departing from the mounting portion；
Second structural member beyond the mounting portion the first side bottom structure on have for skin attachement
Inclined-plane, vertical range between the inclined-plane and the syringe needle gradually subtract on direction of the first end to second end of the syringe needle
It is small.
Preferably, the first structure part opens wide on the first side of the mounting portion.
Preferably, the first structure part is the first external member, and first external member is set on the mounting portion, and in institute
State on first side of mounting portion is uncovered structure；
Second structural member is the second external member, and second external member is set in first external member.
Preferably, second external member is uncovered structure on first side of the mounting portion.
Preferably, the angle on the inclined-plane and the syringe needle extending direction is 5 degree~45 degree.
Preferably, the angle on the inclined-plane and the syringe needle extending direction is 10 degree~15 degree.
Preferably, the inclined-plane is equipped with convex shaped part.
Preferably, the bottom structure is soft structures.
Preferably, the inner wall of the bottom structure and first Slideslip of the mounting portion coordinate.
Preferably, the first structure part connect knot with first to be mutually slidably matched is separately formed on the mounting portion
Structure and the second connection structure；
It is separately formed the third connection structure being mutually slidably matched on the first structure part and second structural member
With the 4th connection structure.
Preferably, first connection structure and second connection structure are respectively to be arranged along the syringe needle extending direction
The first slideway and the first sliding rail or first connection structure and second connection structure be respectively to extend along the syringe needle
The first sliding rail and the first slideway of direction arrangement；
The third connection structure and the 4th connection structure are respectively second arranged along the syringe needle extending direction
Slideway and the second sliding rail or the third connection structure and the 4th connection structure are to be arranged along the syringe needle extending direction
Second sliding rail and the second slideway.
Preferably, be separately formed on first position-limit mechanism, including the first structure part and the mounting portion
One position limiting structure and the second position limiting structure are suitable for through the extension for limiting the first structure part along the syringe needle that cooperates
Direction and the installation section from；
Third position limiting structure and the 4th limit knot have also been separately formed on the first structure part and second structural member
Structure is suitable for through the extending direction and the first structure part point for limiting second structural member along the syringe needle that cooperate
From.
Preferably, first position limiting structure is lug boss；
Second position limiting structure is limiting unit；
The lug boss and the limiting unit are suitable for moving to the along the syringe needle extending direction in the first structure part
The first structure part is locked relative to the mounting portion by coordinating when one latched position.
Preferably, the third position limiting structure is blocking portion；
4th position limiting structure is spring secures rail to sleeper；
The blocking portion is suitable for moving to along the syringe needle extending direction in second structural member with the spring secures rail to sleeper
Second structural member is locked relative to the first structure part by coordinating when the second latched position.
Preferably, the limiting unit includes elastic limiting unit and fixed limiting unit,
The elasticity limiting unit includes sliding slot be arranged along the syringe needle extending direction and to be respectively arranged on the sliding slot separate
One end of the syringe needle second end and at least a pair of elastic margining tablet on the sliding slot two side, at least a pair of of bullet
Property margining tablet in reset condition between distance be less than the lug boss along the groove width direction of the sliding slot diameter, wherein
The lug boss was always positioned at before the first structure part moves to first latched position in the sliding slot, and with
In being slidably matched, the lug boss is suitable for sliding into along the syringe needle extending direction when the first structure part described the sliding slot
During first latched position, is slided in the sliding slot and strut at least a pair of elastic margining tablet and skid off the cunning
Slot, and at least a pair of elastic margining tablet is suitable for restoring by elasticity retracting to limit the lug boss；
The fixed limiting unit includes stop, is located in second external member, and described close to having for the sliding slot
There is the gap for being suitable for accommodating the lug boss, the prevention between the side of a pair of of elasticity margining tablet, with the elastic margining tablet
Part is suitable for being coordinated with the lug boss to prevent the first structure part from moving towards second extreme direction of the syringe needle.
Preferably, the lug boss is and the installation on the side of the second end of the syringe needle in mounting portion
The inclined-plane of portion outer surface engagement, the lug boss top have groove；The limiting unit is in first structure part far from the syringe needle
The second end side on, for elastic limiting unit, there is elastic limiting unit clamp；The inclined-plane of the lug boss is suitable for and institute
State elastic limiting unit clamp makes the elastic limiting unit that elastic deformation, and the elastic limiting unit clamp occur by being slidably matched
Suitable for restoring to be snapped into the groove by the elasticity of the elastic limiting unit.
Preferably, the blocking portion is the bulge-structure being molded on the first structure part, the bulge-structure by
It is the inclined-plane engaged with first structure part outer surface, the bulge-structure on the side of the second end of the nearly syringe needle
Top has groove；The spring secures rail to sleeper has bullet on the side of the second end of second structural member far from the syringe needle
Property fastener clamp；
The inclined-plane of the blocking portion is suitable for making the spring secures rail to sleeper occur by being slidably matched with the spring secures rail to sleeper clamp
Elastic deformation, and the spring secures rail to sleeper clamp is suitable for restoring to be snapped into the bulge-structure by the elasticity of the spring secures rail to sleeper
Groove.
Preferably, the blocking portion includes the first blocking portion, the second blocking portion, third blocking portion,
First blocking portion and second blocking portion are set on first structure part close to described the of the syringe needle
The vertical plane engaged with first structure part outer surface on the side at two ends,
The third blocking portion for set on the second structural member far from the syringe needle the second end side on institute
The vertical plane of first structure part inner surface engagement is stated,
The spring secures rail to sleeper is set on the side of the second end of two structural member far from the syringe needle,
When the spring secures rail to sleeper moves the vertical plane more than the first blocking portion along syringe needle extending direction, the spring secures rail to sleeper
Rebound, first blocking portion limit the spring secures rail to sleeper reverse movement, and second blocking portion limits the third blocking portion
It continues to move to.
Preferably, second structural member has the upper of the second side opposite with first side positioned at the mounting portion
Surface, the upper surface are equipped with a press section.
Preferably, the blood taking needle and intravenous needle include several first structure parts, several first structure parts be stacked and
It is mutually slidably matched along the syringe needle extending direction, is equipped between mutually matched first structure part and limits it along the syringe needle
Extending direction separation position-limit mechanism, the first structure part positioned extremely inward is slidably matched with the mounting portion, is located at
Outermost first structure part is slidably matched with the second structural member.
A kind of disposable intravenous needle, including：Needle stand, include at least mounting portion, and with use when
Close to the first side of skin；
There is syringe needle the first end being connect with the needle stand, the syringe needle to be parallel to first side and extend；
First structure part, the first structure part be arranged the outside of the mounting portion and with the mounting portion along the needle
Head extending direction is slidably matched, and the first position-limit mechanism is equipped between the first structure part and the mounting portion, is suitable for limitation institute
State first structure part along the syringe needle extending direction and the installation section from；
Second structural member, second structural member be arranged the outside of the first structure part and with second structural member
It is slidably matched along the syringe needle extending direction；The second position restrainer is equipped between the first structure part and second structural member
Structure is detached along the extending direction of the syringe needle with the first structure part suitable for limiting second structural member；
The first structure part and second structural member are suitable for by being slided with will be described along the syringe needle extending direction
The second end opposite with the first end of syringe needle is received into second structural member；
The mounting portion be the needle stand on the first structure part can be by first knot during being slidably matched
The part of component covering；First side of the first structure part without departing from the mounting portion；
Second structural member beyond the mounting portion the first side bottom structure on have for skin attachement
Inclined-plane, vertical range between the inclined-plane and the syringe needle gradually subtract on direction of the first end to second end of the syringe needle
It is small.
Preferably, the first structure part opens wide on the first side of the mounting portion.
Preferably, the first structure part is the first external member, and first external member is set on the mounting portion, and in institute
State on first side of mounting portion is uncovered structure；
Second structural member is the second external member, and second external member is set in first external member.
Preferably, second external member is uncovered structure on first side of the mounting portion.
Preferably, the angle on the inclined-plane and the syringe needle extending direction is 5 degree~45 degree.
Preferably, the angle on the inclined-plane and the syringe needle extending direction is 10 degree~15 degree.
Preferably, the inclined-plane is equipped with convex shaped part.
Preferably, the bottom structure is soft structures.
Preferably, the inner wall of the bottom structure and first Slideslip of the mounting portion coordinate.
Preferably, the first structure part connect knot with first to be mutually slidably matched is separately formed on the mounting portion
Structure and the second connection structure；
It is separately formed the third connection structure being mutually slidably matched on the first structure part and second structural member
With the 4th connection structure.
Preferably, first connection structure and second connection structure are respectively to be arranged along the syringe needle extending direction
The first slideway and the first sliding rail or first connection structure and second connection structure be respectively to extend along the syringe needle
The first sliding rail and the first slideway of direction arrangement；
The third connection structure and the 4th connection structure are respectively second arranged along the syringe needle extending direction
Slideway and the second sliding rail or the third connection structure and the 4th connection structure are to be arranged along the syringe needle extending direction
Second sliding rail and the second slideway.
Preferably, be separately formed on first position-limit mechanism, including the first structure part and the mounting portion
One position limiting structure and the second position limiting structure are suitable for through the extension for limiting the first structure part along the syringe needle that cooperates
Direction and the installation section from；
Third position limiting structure and the 4th limit knot have also been separately formed on the first structure part and second structural member
Structure is suitable for through the extending direction and the first structure part point for limiting second structural member along the syringe needle that cooperate
From.
Preferably, first position limiting structure is lug boss；
Second position limiting structure is limiting unit；
The lug boss and the limiting unit are suitable for moving to the along the syringe needle extending direction in the first structure part
The first structure part is locked relative to the mounting portion by coordinating when one latched position.
Preferably, the third position limiting structure is blocking portion；
4th position limiting structure is spring secures rail to sleeper；
The blocking portion is suitable for moving to along the syringe needle extending direction in second structural member with the spring secures rail to sleeper
Second structural member is locked relative to the first structure part by coordinating when the second latched position.
Preferably, the limiting unit includes elastic limiting unit and fixed limiting unit,
The elasticity limiting unit includes sliding slot be arranged along the syringe needle extending direction and to be respectively arranged on the sliding slot separate
One end of the syringe needle second end and at least a pair of elastic margining tablet on the sliding slot two side, at least a pair of of bullet
Property margining tablet in reset condition between distance be less than the lug boss along the groove width direction of the sliding slot diameter, wherein
The lug boss was always positioned at before the first structure part moves to first latched position in the sliding slot, and with
In being slidably matched, the lug boss is suitable for sliding into along the syringe needle extending direction when the first structure part described the sliding slot
During first latched position, is slided in the sliding slot and strut at least a pair of elastic margining tablet and skid off the cunning
Slot, and at least a pair of elastic margining tablet is suitable for restoring by elasticity retracting to limit the lug boss；
The fixed limiting unit includes stop, is located in second external member, and described close to having for the sliding slot
There is the gap for being suitable for accommodating the lug boss, the prevention between the side of a pair of of elasticity margining tablet, with the elastic margining tablet
Part is suitable for being coordinated with the lug boss to prevent the first structure part from moving towards second extreme direction of the syringe needle.
Preferably, the lug boss is and the installation on the side of the second end of the syringe needle in mounting portion
The inclined-plane of portion outer surface engagement, the lug boss top have groove；The limiting unit is in first structure part far from the syringe needle
The second end side on, for elastic limiting unit, there is elastic limiting unit clamp；The inclined-plane of the lug boss is suitable for and institute
State elastic limiting unit clamp makes the elastic limiting unit that elastic deformation, and the elastic limiting unit clamp occur by being slidably matched
Suitable for restoring to be snapped into the groove by the elasticity of the elastic limiting unit.
Preferably, the blocking portion is the bulge-structure being molded on the first structure part, the bulge-structure by
It is the inclined-plane engaged with first structure part outer surface, the bulge-structure on the side of the second end of the nearly syringe needle
Top has groove；The spring secures rail to sleeper has bullet on the side of the second end of second structural member far from the syringe needle
Property fastener clamp；
The inclined-plane of the blocking portion is suitable for making the spring secures rail to sleeper occur by being slidably matched with the spring secures rail to sleeper clamp
Elastic deformation, and the spring secures rail to sleeper clamp is suitable for restoring to be snapped into the bulge-structure by the elasticity of the spring secures rail to sleeper
Groove.
Preferably, the blocking portion includes the first blocking portion, the second blocking portion, third blocking portion,
First blocking portion and second blocking portion are set on first structure part close to described the of the syringe needle
The vertical plane engaged with first structure part outer surface on the side at two ends,
The third blocking portion for set on the second structural member far from the syringe needle the second end side on institute
The vertical plane of first structure part inner surface engagement is stated,
The spring secures rail to sleeper is set on the side of the second end of two structural member far from the syringe needle,
When the spring secures rail to sleeper moves the vertical plane more than the first blocking portion along syringe needle extending direction, the spring secures rail to sleeper
Rebound, first blocking portion limit the spring secures rail to sleeper reverse movement, and second blocking portion limits the third blocking portion
It continues to move to.
Preferably, second structural member has the upper of the second side opposite with first side positioned at the mounting portion
Surface, the upper surface are equipped with a press section.
Preferably, the blood taking needle and intravenous needle include several first structure parts, several first structure parts be stacked and
It is mutually slidably matched along the syringe needle extending direction, is equipped between mutually matched first structure part and limits it along the syringe needle
Extending direction separation position-limit mechanism, the first structure part positioned extremely inward is slidably matched with the mounting portion, is located at
Outermost first structure part is slidably matched with the second structural member.
Following advantageous effect is brought using technical solution of the present invention：
1. the blood taking needle and intravenous needle of the present invention, including：Needle stand includes at least mounting portion, has when using close to skin
The first side；There is syringe needle the first end being connect with the needle stand, the syringe needle to be parallel to first side and extend；First knot
Component, the first structure part are arranged outside the mounting portion and match along syringe needle extending direction sliding with the mounting portion
Close, the first position-limit mechanism be equipped between the first structure part and the mounting portion, be suitable for limiting the first structure part along
The extending direction of the syringe needle and the installation section from；Second structural member, second structural member are arranged in first knot
It the outside of component and is slidably matched along the syringe needle extending direction with second structural member；The first structure part and described
It is equipped with the second position-limit mechanism between two structural members, is suitable for limiting extending direction and institute of second structural member along the syringe needle
State the separation of first structure part；The first structure part and second structural member are suitable for by being slided along the syringe needle extending direction
The second end opposite with the first end of the syringe needle to be received into second structural member；The first structure part is not
The first side beyond the mounting portion.The above design, the first side due to the first structure part without departing from the mounting portion, from
And first structure part does not interfere with mounting portion to the distance of patient skin, will not increase syringe needle and patient's skin to first structure part
Angle of inclination between skin, and then the first structure part does not interfere with patient's comfort level in infusion.
2. the blood taking needle and intravenous needle of the present invention, the bottom knot of first side of second structural member beyond the mounting portion
Have on structure for the inclined-plane with skin attachement, first end of the vertical range between the inclined-plane and the syringe needle in the syringe needle
It is gradually reduced on to the direction of second end.Patient with factors such as age, gender, blood sampling sites due to that may carry out different needles
Angle is pierced, and/or when needing fixed needle stand, the second end of the syringe needle inevitably moves up, and in the application
Bottom structure preferably adapts to these features, and exclusive shape has utmostly agreed with the angle of needle insertion and blood taking needle and vein
Needle fixed angle, blood taking needle or intravenous needle at work, support entire needling device and skin at an angle, operator is not
Experience must excessively be relied on to complete to puncture, directly can complete to puncture by special angle, reduce puncture failure or wear out blood vessel
Risk, and when the syringe needle of institute's intravenous needle penetrate blood duct tapes cross sticker fix needle stand when, prevent the second end of the syringe needle
It moves up, avoids syringe needle the second side that blood vessel is either driven to move up close to vascular wall and mitigate patient's generation pain or make
At puncture failure, while the operation of medical worker is facilitated, avoids wear out blood vessel equivalent risk as possible.
3. the blood taking needle and intravenous needle of the present invention, the first structure part is the first external member, and first external member is set in
On the mounting portion, and it is uncovered structure on first side of the mounting portion；Second structural member is the second external member,
Second external member is set in first external member.The above design, since first external member is without departing from the mounting portion
First side, to the first external member do not interfere with mounting portion arrive patient skin distance, to the first external member will not increase syringe needle and
Angle of inclination between patient skin, and then the first structure part does not interfere with patient's comfort level in infusion, in addition, using
Syringe needle can be well wrapped in wherein by external member, and operating personnel is avoided to be contacted with syringe needle, cause to accidentally injure.
4. the blood taking needle and intravenous needle of the present invention, the inclined-plane of the bottom structure and the angle of the syringe needle extending direction are
5 degree~45 degree, which can make the bottom structure that the different angles of needle insertion be coordinated to use, when syringe needle need with patient skin it
Between be in smaller angle of inclination when, the bottom structure of the smaller angle of use, when syringe needle need and patient skin between be in larger inclination
When angle, then support entire blood taking needle with skin in larger angle using compared with the bottom structure of mitre, to avoid causing wearing
Blood vessel is worn out in thorn failure, increases patient comfort.
5. the blood taking needle and intravenous needle of the present invention, the inner wall of the bottom structure breaks away with described the first of the mounting portion
Dynamic cooperation, the design can eliminate the distance of the inner wall of bottom structure described in mounting portion to the second structural member, reduce to greatest extent
Mounting portion improves patient fluid infusion to the distance between patient skin to more efficiently reduce the gradient between syringe needle and skin
Comfort level.
6. the blood taking needle and intravenous needle of the present invention, the bottom structure is soft structures, can make device and patient's skin
Skin is more bonded, and improves the comfort level of patient.
Description of the drawings
Fig. 1 is the structural schematic diagram of present pre-ferred embodiments.
Fig. 2 is the three-dimensional installation diagram of present pre-ferred embodiments.
Fig. 3 is the stereoscopic schematic diagram of the first external member of present pre-ferred embodiments.
Fig. 4 is the stereoscopic schematic diagram of the second external member of present pre-ferred embodiments.
Fig. 5 is the elevational schematic view of the second external member of present pre-ferred embodiments.
Fig. 6 is the schematic top plan view after present pre-ferred embodiments use.
Fig. 7 is the elevational schematic view after present pre-ferred embodiments use.
Fig. 8 is elevational schematic view when not installing bottom structure after present pre-ferred embodiments use.
Fig. 9 is socketed on structural schematic diagram when mounting portion for the lever of present pre-ferred embodiments.
Figure 10 is the structural schematic diagram with bent lever of present pre-ferred embodiments
Specific implementation mode
A preferred embodiment is named, and completely illustrates the present invention in conjunction with attached drawing to become apparent from.
As shown in figs 1-9, a kind of disposable lancet and intravenous needle of the present invention comprising needle stand, syringe needle 20,
There is the syringe needle 20 first end 201 and the second end 202 opposite with the first end 201, the first end to be placed in the needle
Connect with needle stand in seat, the needle stand including at least mounting portion 10 and when there is use close to the first side 1 of skin, and with first
The opposite the second side 2 in side 1, the mounting portion 10 is a part for needle stand can be wholely set also split settings with needle stand, use
When the second side 2 far from skin, the mounting portion 10 can be string configuration, and the blood taking needle and intravenous needle further include：First knot
Component, the first structure part be arranged the outside of the mounting portion 10 and with the mounting portion 10 along 20 side of extension of the syringe needle
To being slidably matched；The first position limiting structure and the second limit knot have also been separately formed on the first structure part and the mounting portion 10
Structure, suitable for being divided with the mounting portion 10 along the extending direction of the syringe needle 20 by the limitation first structure part that cooperates
From；The first structure part is without departing from the first side of the mounting portion, i.e., the described first structure part is along the second side to institute
State first side of the direction without departing from the mounting portion of the first side；In this way first structure part will not increase by 10 first side of mounting portion and
The distance between the second structural member positioned at the first side of mounting portion reduces the first side of mounting portion and the second structural member to the full extent
The distance between, the diameter of mounting portion part when reducing first structure part and the second structural member retracted state to the full extent, most
Big degree reduces the angle of inclination of syringe needle and skin, the comfort level of patient when improving infusion.
Second structural member, second structural member be arranged the outside of the first structure part and with second structural member
It is slidably matched along 20 extending direction of the syringe needle；It is also separately formed third on the first structure part and second structural member
Position limiting structure and the 4th position limiting structure are suitable for through the extension for limiting second structural member along the syringe needle 20 that cooperates
Direction is detached with the first structure part.
Wherein, second structural member has the bottom structure of the first side beyond the mounting portion, i.e., described second knot
Component has the bottom structure of the first side beyond the mounting portion 10 along the direction of the second side to first side；To
When outer withdrawing syringe needle 20, the second structural member, the bottom structure of the second structural member and patient contact are pinned, forms support, it can
Easily to extract syringe needle 20 outward, bottom structure makes to form an angle between the first side of mounting portion and skin, this angle
The different angles of needle insertion can be coordinated to support entire needling device solid in certain degree, or cooperation adhesive tape progress needle stand with skin
It is fixed, syringe needle the second side is avoided close to vascular wall or blood vessel is driven to move up, and is facilitated the operation of adopted medical worker, is reduced
The pain of patient avoids and wears out blood vessel equivalent risk.
The first structure part and second structural member are suitable for by being slided with by institute along 20 extending direction of the syringe needle
The second end 202 for stating syringe needle 20 is received into second structural member.To protect the second end 202 of syringe needle 20, syringe needle 20 is avoided
Second end 202 stab medical staff.
The first structure part on the first side 1 of the mounting portion 10 open wide, while the first structure part without departing from
First side 1 of the mounting portion 10, first structure part will not increase by 10 first side 1 of mounting portion and the second structural member the first side it
Between distance.
First structure part described in one embodiment of the present of invention is the first external member 30, and first external member 30 is set in institute
It states on mounting portion 10, first external member can be that the trench structure of platy structure or any shape be preferably n shapes or c shapes, most
Syringe needle 20 is wrapped on a large scale, while the distance that mounting portion 10 arrives skin will not be increased.And described the of the mounting portion
It is uncovered structure on side；First external member 30 of uncovered structure is to can be by the circumferential portion of syringe needle 10 after 10 direction pull of syringe needle
Divide covering, preferably syringe needle can be protected not contacted with medical staff, avoid the propagation of germ.That is can increase the first external member
Add the part of the distance between the first side of mounting portion and the second structural member to remove, can reduce the first side of mounting portion and skin it
Between distance.Second structural member is the second external member 40, and second external member 40 is set in first external member 30.When adopting
Blood needle and intravenous needle are in use, the first external member 30 and the second external member 40 are arranged on mounting portion 10, when blood taking needle and intravenous needle make
With the second external member 40 is pressed after the completion by needle stand, 20 outside withdrawing of syringe needle, mounting portion 10 is extracted out from the first external member 30, and first
External member 30 is extracted out from the second external member 40, until the second external member 40 covers the syringe needle second end opposite with first end, can be kept away
Exempt from needle thorn removal process to recycling the injury of personnel, while not interfering with the comfort level of patient in use.Described
Two external members 40 can be the trench structure of any shape, and second external member 40 and the cooperation of bottom structure 45 can be cylindrical shape or cut
Face is the tubular of polygon.
Second external member 40 described in one embodiment of the present of invention is open knot on first side of the mounting portion
Structure；
Bottom structure described in another embodiment of the present invention is the bottom structure mounted on 40 bottom of the second external member
45；The bottom structure 45, which is supported on the skin upper mounting portion and skin, a barrier, have on bottom structure 45 for
The inclined-plane of skin attachement, vertical range between the inclined-plane and the syringe needle is on direction of the first end to second end of the syringe needle
The structure being gradually reduced preferably has coordinated patient different due to that may be carried out with factors such as age, gender, blood sampling sites
The angle of needle insertion, and/or when needing fixed needle stand, the second end of the syringe needle inevitably moves up, and the application
Middle bottom structure preferably adapts to these features, exclusive shape utmostly agreed with the angle of needle insertion and blood taking needle with it is quiet
Arteries and veins needle fixed angle, blood taking needle or intravenous needle at work, support entire needling device and skin at an angle, operator
Experience need not excessively be relied on to complete to puncture, directly can complete to puncture by special angle, reduce puncture failure or wear out blood
The risk of pipe, and when the syringe needle of institute's intravenous needle penetrates blood duct tapes cross sticker and fixes needle stand, prevent the second of the syringe needle
End moves up, avoid syringe needle the second side either driven close to vascular wall blood vessel move up mitigate patient generate pain or
Puncture failure is caused, while facilitating the operation of medical worker, avoids wear out blood vessel equivalent risk as possible.The bottom structure 45
The area for increasing contact of second external member 40 with skin, further increases the comfort level of patient, when avoiding pressing, the second external member
40 roll the pain for causing patient.In first external member 30 is disposed around by the bottom structure 45 and second external member 40, preferably
Second external member 40 is equipped with a clamping portion 401, and the bottom structure 45 is connected in the clamping portion 401.
Bottom structure described in another embodiment of the present invention is the bottom part of second external member 40.
The inclined-plane of the bottom structure of second external member 40 is equipped with convex shaped part.The setting of convex shaped part can make second set
Part is not easy close to adhesion on the skin.
Bottom structure described in another embodiment of the present invention is the bottom part of second external member 40.The inclined-plane with
The angle of the syringe needle extending direction can be unspecified angle between 5 degree to 45 degree, to adapt to different blood sampling angles.It is common
The angle on ground, the inclined-plane and the syringe needle extending direction is 10 degree~15 degree.It is preferred that the bottom structure be soft structures into
One step improves the comfort level of patient.
The both sides of mounting portion 10 described in one embodiment of the present of invention are respectively provided with first slideway/rail, and described first
External member is equipped with and matched first sliding rail of first slideway/rail/road；The both sides of first external member are respectively provided with one second
Slideway/rail, second external member are equipped with and matched second sliding rail of second slideway/rail/road.Setting slideway/rail can be protected
Stationarity when demonstrate,proving between mounting portion, the first external member and the second external member with respect to sliding.Both sides at this are the first side and second
Between side along the both sides of glide direction.It is preferred that the both sides of mounting portion 10 are respectively provided with the first slideway 12, the first external member 30 is equipped with
With 12 matched first sliding rail 36 of the first slideway；The both sides of first external member 30 are respectively provided with the second slideway 37, and the second external member 40 is set
Have and 37 matched second sliding rail 43 of the second slideway.
Heretofore described first position limiting structure is lug boss, and second position limiting structure is limiting unit；The lug boss
It is suitable for when the first structure part moves to the first latched position along the syringe needle extending direction by matching with the limiting unit
Conjunction locks the first structure part relative to the mounting portion.
Limiting unit described in one embodiment of the present of invention includes elastic limiting unit and fixed limiting unit.
The elasticity limiting unit includes the sliding slot 35 being arranged along the syringe needle extending direction and is respectively arranged on the sliding slot 35
One end far from 20 second end of the syringe needle and at least a pair of elastic margining tablet 32 on 35 two side of the sliding slot, it is described
At least a pair of elastic margining tablet 32 in reset condition between distance be less than groove width of the lug boss 11 along the sliding slot 35
The diameter in direction, wherein the lug boss 11 is before the first structure part 30 moves to first latched position, always
In the sliding slot, and with the sliding slot in being slidably matched, the lug boss is suitable for when the first structure part is along the needle
During head extending direction slides into first latched position, slides and strut described at least a pair of in the sliding slot 35
Elastic margining tablet 32 skids off the sliding slot 35, and at least a pair of elastic margining tablet is suitable for restoring by elasticity described to limit
Lug boss retracts；
The fixed limiting unit includes stop 38, is located in second external member 40, and having close to the sliding slot
There is the gap for being suitable for accommodating the lug boss between the side of the pair of elasticity margining tablet 32, with the elastic margining tablet 32
31, the stop 38 is suitable for being coordinated with the lug boss 11 to prevent the first structure 30 towards the syringe needle 20
The second extreme direction movement.
In another embodiment of the present invention, the lug boss is in mounting portion close to the side of the second end of the syringe needle
The upper inclined-plane to be engaged with the mounting portion outer surface, the lug boss top have groove；The limiting unit is in first structure
On the side of the second end of the part far from the syringe needle, there is elastic limiting unit clamp for elastic limiting unit；The lug boss
Inclined-plane be suitable for making the elastic limiting unit that elastic deformation occur by being slidably matched with the elastic limiting unit clamp, and it is described
Elastic limiting unit clamp is suitable for restoring to be snapped into the groove by the elasticity of the elastic limiting unit.
When the first structure part is slided along the syringe needle extending direction, the elasticity limiting unit passes through institute's elasticity
Limiting unit clamp and the inclined-plane of the lug boss are slidably matched, and the elastic limiting unit is made to generate elastic deformation, work as institute
When stating elastic limiting unit clamp and sliding into the groove of the lug boss, the elasticity limiting unit is restored by elasticity by the bullet
Property limiting unit clamp be caught in the groove so that the groove prevents the elastic limiting unit clamp from being moved back out of described groove
Go out.
Heretofore described third position limiting structure is blocking portion；4th position limiting structure is spring secures rail to sleeper；The blocking
Portion is suitable for leading to when second structural member moves to the second latched position along the syringe needle extending direction with the spring secures rail to sleeper
Cooperation is crossed to lock second structural member relative to the first structure part.
Blocking portion described in one embodiment of the present of invention is the bulge-structure being molded on the first structure part, described
Bulge-structure is being the inclined-plane engaged with first structure part outer surface on the side of the second end of the syringe needle,
There is groove at the top of the bulge-structure；The spring secures rail to sleeper in the second end of second structural member far from the syringe needle one
On side, there is spring secures rail to sleeper clamp；The inclined-plane of the blocking portion is suitable for making institute by being slidably matched with the spring secures rail to sleeper clamp
It states spring secures rail to sleeper and elastic deformation occurs, and the spring secures rail to sleeper clamp is suitable for restoring to be snapped by the elasticity of the spring secures rail to sleeper
The groove of the bulge-structure.
When second structural member is slided along the syringe needle extending direction, the spring secures rail to sleeper passes through the spring secures rail to sleeper
The inclined-plane of clamp and the bulge-structure is slidably matched, and the spring secures rail to sleeper is made to generate elastic deformation, when the elasticity
When fastener clamp is slid into the groove, the spring secures rail to sleeper restores the spring secures rail to sleeper clamp being caught in described by elasticity
Groove, so that the groove prevents the spring secures rail to sleeper clamp from being exited out of described groove.
Blocking portion described in another embodiment of the present invention includes one first blocking portion 33, one second blocking portion 34,1 the
Three blocking portions 42, first blocking portion 33 and second blocking portion 34 are set on first structure part close to the syringe needle
The vertical plane engaged with first structure part outer surface on the side of the second end, the third blocking portion 42 are set on the
The vertical plane that two structural members engage on the side of the second end far from the syringe needle with the first structure part inner surface,
The spring secures rail to sleeper 41 is set on the side of the second end of second structural member far from the syringe needle.
When the spring secures rail to sleeper moves the vertical plane more than the first blocking portion along syringe needle extending direction, the spring secures rail to sleeper
Rebound, first blocking portion limit the spring secures rail to sleeper reverse movement, and second blocking portion limits the third blocking portion
It continues to move to.
The surface of the second side positioned at the mounting portion of heretofore described mounting portion 10 is upper surface；It is described convex
Portion 11 is played to be set on the upper surface of the mounting portion；And positioned at the mounting portion 10 close to one end of the second end of the syringe needle 20
On；
The surface of the second side positioned at the mounting portion of the first structure part 30 is upper surface, the limiting unit
On the upper surface of the first structure part 30, and it is located remotely from one end of second end of the syringe needle.
The blocking portion is set on the upper surface of the first structure part, and positioned at the first structure part 30 close to described
On one end of the second end of syringe needle 20；
The surface of the second side positioned at the mounting portion of second structural member 40 is upper surface, the elastic buckles
Part is set on the upper surface of the first structure part, and positioned at one end of the second end of second structural member far from the syringe needle
On.
In one embodiment of the invention, the position-limit mechanism between mounting portion 10 and the first external member 30 includes the upper of mounting portion 10
The lug boss 11 that surface is equipped with, the limiting unit that the rear end of the first external member 30 is equipped with are equipped with an elastic margining tablet in limiting unit
32, the lug boss 11 squeezes elastic margining tablet 32, and elastic margining tablet 32, which deforms upon, allows the lug boss 11 to pass through elasticity
Margining tablet 32 is moved between the inner wall of the limiting unit and the elastic margining tablet 32, the elasticity margining tablet 32 retraction limitation
The lug boss 11 is moved towards 20 direction of the syringe needle, and the inner wall of limiting unit limits the lug boss 11 towards far from the syringe needle 20
It moves in direction.
In another embodiment of the present invention, the position-limit mechanism between the first external member 30 and the second external member 40 includes one first resistance
Stopper 33, one second blocking portion 34, a third blocking portion 42 and a spring secures rail to sleeper 41, first blocking portion and second resistance
Stopper is set to the upper surface of first external member, and the spring secures rail to sleeper is set to the upper surface of second external member, the third resistance
Stopper is set to the lower surface of second external member, when the spring secures rail to sleeper is moved to the front of the first blocking portion, described second
Blocking portion limits the third blocking portion and continues to move to, and first block piece limits the spring secures rail to sleeper reverse movement.
Sliding slot 35 is communicated in limiting unit in the present invention, and sliding slot 35 is located at the top of lug boss 11.Elastic margining tablet 32 is two
A, two elastic margining tablets 32 are located at the both sides of sliding slot 35.The distance between the free end of two elastic margining tablets 32 is less than two
The distance between the fixing end of elastic margining tablet 32.
Elastic margining tablet and lug boss can be two, and two elastic margining tablets are respectively positioned on the side of sliding slot, two lug bosses
It is matched respectively with two elastic margining tablets.The limitation to lug boss can be improved in this way, prevent the rebound of the first external member.
Elastic margining tablet may be four, and two elastic margining tablets are located at the side of sliding slot, other two elasticity limitation
Piece is located at the other side of sliding slot.Elastic margining tablet increases, and further improves the limitation to lug boss.
First blocking portion 33 may also include two stripes 331, and stripes 331 are set to the upper surface of the first external member 30, and two
Stripes 331 are arranged in parallel, dragging track of the stripes 331 as third blocking portion 42.
The inner wall of the bottom structure 45 and first Slideslip of the mounting portion coordinate, and the bottom structure 45 is oblique
Face extending direction and the extending direction of the syringe needle are in an angle, support entire blood taking needle or intravenous needle with skin in corresponding angles
Degree, when thereby using blood taking needle, patient is more comfortable.Further, the syringe needle is arranged in the mounting portion close to described
First side, so that syringe needle is smaller at a distance from bottom structure, the syringe needle 20 is set close proximity to the surface of the bottom structure
It sets, it might even be possible to be fitted on the surface of the bottom structure, comfort level when to improve blood taking needle and intravenous needle use is excellent
The vertical range of the upper surface of needle selection head 20 and bottom structure 45 is more than 0.05mm, and the syringe needle and the bottom structure is upper
The vertical range on surface is less than 0.1mm.
The length of mounting portion 10 is more than 2mm, and the length of the first external member 30 is more than 2mm, and the length of the second external member 40 is more than
2mm。
The upper surface of second external member 40 is equipped with press section 44.In this way, after blood taking needle and intravenous needle use, user can
To press the press section in the second external member, easily the second external member is slided.
It is more convenient when to use, one end of the first end far from the syringe needle of needle stand is equipped with lever 50, lever
50 are equipped at least one wing 51.Wing 51 can be one, be located at the side of needle stand.Wing 51 or two
It is a, two wings not She Yu needle stand both sides.The connection type of lever 50 and needle stand can there are many, lever 50 also may be used
To be shaped in needle stand；Or as shown in fig. 6, lever 50 is connected in needle stand；Or as shown in figure 9, lever 50 is socketed
In needle stand.As shown in Figure 10, lever 50 can also include bending part 52, and bending part 52 is set between wing 51 and needle stand.
Bent lever is easy to operation.
After blood taking needle and intravenous needle use, the second external member is pressed, the direction by needle stand from second end to first end is taken out
It draws so that syringe needle leaves human skin.In direction moving process of the needle stand from second end to first end, the first external member is slided with needle stand
Dynamic, the second external member patch is motionless on the skin.When lug boss is limited in limiting section by elastic limiting unit, mounting portion and first set
Part engages；When the second blocking portion blocks third blocking portion, the first external member is no longer slided backwards, and the first blocking portion is by elastic buckles
Part stops, and prevents the first external member from sliding forward.And the first external member and the second external member cover the syringe needle on needle stand.First external member
It will not be sprung back with the second external member, syringe needle is covered, prevent sharps injury people or object.The inclined-plane of bottom structure, directly with human body skin
Skin is in close contact so that in operation, patient's human skin is not in discomfort, to improve the process of using
Comfort level.
The blood taking needle and intravenous needle of the present invention has the advantages that operator is easy to operate when use, patient skin is comfortable, makes
It so that the external member above mounting portion is covered syringe needle after, and be connected firmly between external member and mounting portion, it will not
External member bounce situations occur, are effectively improved the safety of product.
All specific implementation modes of above blood taking needle and structure feature are suitable for intravenous needle, and details are not described herein.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of disposable lancet, including：
Needle stand includes at least mounting portion, and has when using close to the first side of skin；
There is syringe needle the first end being connect with the needle stand, the syringe needle to be parallel to first side and extend；
First structure part, the first structure part are arranged in the outside of the mounting portion and prolong along the syringe needle with the mounting portion
It stretches direction to be slidably matched, the first position-limit mechanism is equipped between the first structure part and the mounting portion, be suitable for limiting described the
One structural member along the syringe needle extending direction and the installation section from；
Second structural member, second structural member be arranged the outside of the first structure part and with second structural member along institute
Syringe needle extending direction is stated to be slidably matched；It is equipped with the second position-limit mechanism between the first structure part and second structural member, fits
It is detached with the first structure part along the extending direction of the syringe needle in limiting second structural member；
The first structure part and second structural member are suitable for by being slided with by the syringe needle along the syringe needle extending direction
The second end opposite with the first end be received into second structural member；
It is characterized in that,
The mounting portion be the needle stand on the first structure part can be by the first structure part during being slidably matched
The part of covering；First side of the first structure part without departing from the mounting portion；
Have on the bottom structure of the first side of second structural member beyond the mounting portion for the inclined-plane with skin attachement,
Vertical range between the inclined-plane and the syringe needle is gradually reduced on direction of the first end to second end of the syringe needle.
2. blood taking needle as described in claim 1, which is characterized in that the first structure part is on the first side of the mounting portion
It opens wide.
3. blood taking needle as claimed in claim 1 or 2, which is characterized in that
The first structure part is the first external member, and first external member is set on the mounting portion, and in the mounting portion
It is uncovered structure on first side；
Second structural member is the second external member, and second external member is set in first external member.
4. blood taking needle as claimed in claim 3, which is characterized in that second external member is in first side of the mounting portion
Upper is uncovered structure.
5. blood taking needle as claimed in any one of the preceding claims, which is characterized in that the inclined-plane and the syringe needle extending direction
Angle is 5 degree~45 degree.
6. a kind of disposable intravenous needle, including：
Needle stand includes at least mounting portion, and has when using close to the first side of skin；
There is syringe needle the first end being connect with the needle stand, the syringe needle to be parallel to first side and extend；
First structure part, the first structure part are arranged in the outside of the mounting portion and prolong along the syringe needle with the mounting portion
It stretches direction to be slidably matched, the first position-limit mechanism is equipped between the first structure part and the mounting portion, be suitable for limiting described the
One structural member along the syringe needle extending direction and the installation section from；
Second structural member, second structural member be arranged the outside of the first structure part and with second structural member along institute
Syringe needle extending direction is stated to be slidably matched；It is equipped with the second position-limit mechanism between the first structure part and second structural member, fits
It is detached with the first structure part along the extending direction of the syringe needle in limiting second structural member；
The first structure part and second structural member are suitable for by being slided with by the syringe needle along the syringe needle extending direction
The second end opposite with the first end be received into second structural member；
It is characterized in that,
The mounting portion be the needle stand on the first structure part can be by the first structure part during being slidably matched
The part of covering；First side of the first structure part without departing from the mounting portion；
Have on the bottom structure of the first side of second structural member beyond the mounting portion for the inclined-plane with skin attachement,
Vertical range between the inclined-plane and the syringe needle is gradually reduced on direction of the first end to second end of the syringe needle.
7. intravenous needle as claimed in claim 6, which is characterized in that the first structure part is on the first side of the mounting portion
It opens wide.
8. intravenous needle as claimed in claims 6 or 7, which is characterized in that
The first structure part is the first external member, and first external member is set on the mounting portion, and in the mounting portion
It is uncovered structure on first side；
Second structural member is the second external member, and second external member is set in first external member.
9. intravenous needle as claimed in claim 8, which is characterized in that second external member is in first side of the mounting portion
Upper is uncovered structure.
10. intravenous needle as claimed in any one of the preceding claims, which is characterized in that the inclined-plane and the syringe needle extending direction
Angle is 5 degree~45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047354.5A CN108338796A (en) | 2017-01-22 | 2017-01-22 | Disposable lancet and intravenous needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047354.5A CN108338796A (en) | 2017-01-22 | 2017-01-22 | Disposable lancet and intravenous needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108338796A true CN108338796A (en) | 2018-07-31 |
Family
ID=62974683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710047354.5A Pending CN108338796A (en) | 2017-01-22 | 2017-01-22 | Disposable lancet and intravenous needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108338796A (en) |
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| US20070265571A1 (en) * | 2006-05-09 | 2007-11-15 | David Utterberg | Needle alignment, needle securement and vessel stabilization device |
| CN104288866A (en) * | 2014-10-24 | 2015-01-21 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion puncture needle |
| CN204395136U (en) * | 2015-01-12 | 2015-06-17 | 杜芳 | A kind of remaining needle fixing device |
| WO2016107028A1 (en) * | 2015-01-04 | 2016-07-07 | 上海金塔医用器材有限公司 | Anti-needlestick two-wing venipuncture needle |
| US20160296715A1 (en) * | 2013-11-14 | 2016-10-13 | Hahn-Schickard-Gesellschaft Fuer Angewandte Forschung E.V. | Access device |
| CN205649700U (en) * | 2015-11-23 | 2016-10-19 | 上海金塔医用器材有限公司 | Acupuncture device |
| CN207270341U (en) * | 2017-01-22 | 2018-04-27 | 上海金塔医用器材有限公司 | Disposable lancet and intravenous needle |
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2017
- 2017-01-22 CN CN201710047354.5A patent/CN108338796A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070265571A1 (en) * | 2006-05-09 | 2007-11-15 | David Utterberg | Needle alignment, needle securement and vessel stabilization device |
| US20160296715A1 (en) * | 2013-11-14 | 2016-10-13 | Hahn-Schickard-Gesellschaft Fuer Angewandte Forschung E.V. | Access device |
| CN104288866A (en) * | 2014-10-24 | 2015-01-21 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion puncture needle |
| WO2016107028A1 (en) * | 2015-01-04 | 2016-07-07 | 上海金塔医用器材有限公司 | Anti-needlestick two-wing venipuncture needle |
| CN204395136U (en) * | 2015-01-12 | 2015-06-17 | 杜芳 | A kind of remaining needle fixing device |
| CN205649700U (en) * | 2015-11-23 | 2016-10-19 | 上海金塔医用器材有限公司 | Acupuncture device |
| CN207270341U (en) * | 2017-01-22 | 2018-04-27 | 上海金塔医用器材有限公司 | Disposable lancet and intravenous needle |
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