CN209004902U - A kind of syringe needle and syringe - Google Patents

Abstract

The utility model provides a kind of syringe needle and syringe, syringe needle includes needle body, needle stand, blocking unit, lock separative unit, needle body is arranged in needle stand far from one end of needle point, the position that needle body bottom is abutted with needle stand is arranged in blocking unit, locking separative unit includes triggering hole, elastic component and trigger member, the extending direction on needle stand and perpendicular to needle body is arranged in triggering hole, elastic component setting is in triggering hole, trigger member is arranged at elastic component both ends, when injection, needle body and needle stand are fastenedly connected by elastic component, medical staff is injected using the syringe needle；After completing injection, medical staff is separated needle body along the extending direction of needle point by the locking separative unit with needle stand, and then needle body is individually recycled and disinfected.Syringe needle and syringe provided by the utility model compared with prior art, both eliminate back set needle cap operation, also avoid needle body and fall to syringe the pollution caused by syringe after rise.

Description

A kind of syringe needle and syringe

Technical field

The utility model relates to medical instruments field more particularly to a kind of syringe needles and syringe.

Background technique

Syringe is the common medical instrument of medical field, causes virus to intersect sense in order to avoid syringe is used for multiple times Dye, current syringe or syringe needle are usually disposable, and a people one uses.Currently there are syringe needle Head includes needle body and needle stand two parts, and needle body and needle stand are stationarily connected to together, and patient or medical staff are using It is to be installed to syringe needle on syringe to inject when disposable syringe, after use, syringe needle is returned It being recycled after set needle cap, hand of medical staff is easy to be caused the cross-infection of virus by needlestick injuries during this, Therefore, designing one kind separates needle body with needle stand along towards needle point direction, without carrying out back set needle cap The syringe needle of operation is the demand of existing market.

Utility model content

The main technical problems to be solved in the utility model be to provide a kind of needle body can along towards the direction of needle point with The syringe needle and syringe of needle stand separation after solving syringe needle use in the prior art, carry out back set needle cap When operation, the hand of medical staff is easy the problem of causing viral cross-infection by needlestick injuries, while being also avoided that needle body is fallen after rise The problem of causing syringe to pollute in syringe.

In order to solve the above technical problems, the utility model provides a kind of syringe needle, including needle body, needle stand, blocking list Member and locking separative unit, needle body are arranged in needle stand far from one end of needle point, and blocking unit is arranged in needle body bottom and needle stand The position of abutting, locking separative unit include triggering hole, elastic component and trigger member, and triggering hole is arranged on needle stand and perpendicular to needle The extending direction of body, elastic component setting is in triggering hole, and trigger member setting is at elastic component both ends, when locking separative unit is in lock When tight state, needle body and needle stand are fastenedly connected by elastic component, and when locking separative unit is in triggering state, trigger member passes through Triggering elastic component separates needle body with needle stand, and needle body is detached from from needle stand along towards the direction of needle point one end.

Further, blocking unit includes one end of tattooing handle, and the bottom of needle body is abutted with the corresponding position of one end of tattooing handle, is stopped Boss is provided with the medicine liquid channel for conveying medical fluid.

Further, one end of tattooing handle is round or fan shape in section.

Further, crossing on liquid wall for medicine liquid channel is provided with waterproof coating.

Further, elastic component includes the first elastic component and the second elastic component.When elastic component in the raw when, first Elastic component and the fitting of the second elastic component are to fix needle body, when elastic component is in triggering state, the first elastic component and the second elasticity Distance increases so that needle body and needle stand are separable between part.

Further, trigger member further includes connector, and trigger member passes through connector and the needle stand end face for being provided with triggering hole It is fastenedly connected.

Further, elastic component includes elastic piece or spring leaf, and trigger member includes trigger button.

Further, needle body is arranged fluted on the side wall of elastic component, elastic component position setting corresponding with groove There is clamping block.

Further, clamping block section is polygon, and groove section is set as the shape with clamping block cross-sections match.

Further, the utility model also provides a kind of syringe, including syringe, and syringe is connect with syringe needle.

The beneficial effects of the utility model are:

The utility model provides a kind of syringe needle, including needle body, needle stand, blocking unit and locking separative unit, needle Body is arranged in needle stand far from one end of needle point, and the position that needle body bottom is abutted with needle stand, locking separation is arranged in blocking unit Unit includes triggering hole, elastic component and trigger member, and the extending direction on needle stand and perpendicular to needle body, elastic component is arranged in triggering hole Setting is in triggering hole, and trigger member setting is at elastic component both ends, when locking separative unit is in locking state, needle body and needle stand It is fastenedly connected by elastic component, medical staff carries out the operation such as injecting using the syringe needle；After completing injection, medical staff can lead to It crosses the locking separative unit and separates needle body with needle stand along the extending direction towards needle point, so that needle body is fallen off from needle stand, so Needle body is individually stored into needle body recycling box afterwards, is recycled and is disinfected.Such syringe needle makes Needle body and needle stand are separable, individually return needle body after by locking separative unit needle body being separated with needle stand after using Receipts processing, syringe needle is easy thorn when carrying out back set needle cap operation after avoiding syringe needle use in the prior art Hurt cross-infection problem viral caused by medical staff's hand.In addition needle body is from along the extending direction and needle stand point towards needle point It falls after rise from avoidable needle body to the pollution for causing syringe in syringe.Syringe needle provided by the utility model and existing skill Syringe needle in art is compared, and syringe needle when set needle cap operation is both avoided back to be easy disease caused by stabbing medical staff's hand The cross-infection problem of poison, while when in turn avoiding needle body and separating with needle stand, needle body falling of gliding make syringe to syringe The problem of at pollution.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the syringe needle knot when locking separative unit that the utility model embodiment one provides is in locking state Structure schematic diagram；

Fig. 2 is the syringe needle knot of the locking separative unit that provides of the utility model embodiment one in the open state Structure schematic diagram；

Fig. 3 is the top view for the setting elastic component that the utility model embodiment one provides；

Fig. 4 is the syringe construction schematic diagram that the utility model embodiment two provides.

Appended drawing reference:

1: syringe needle；2: syringe；11: needle body；12: needle stand；13: blocking unit；111: needle point；112: groove； 113: clamping block；131: one end of tattooing handle；1311: medicine liquid channel；14: elastic component；141: the first elastic components；142: the second elasticity Part；15: trigger member；16: connector；17: triggering hole；21: syringe portion.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "bottom" Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System in addition, term " first ", " second " etc. be only used for distinguish description, be not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The utility model is described in further detail below by specific embodiment combination attached drawing.

Embodiment one:

After solving syringe needle use in the prior art, syringe needle holds when carrying out back set needle cap operation The hand of medical staff is easily stabbed, thus the problem of causing viral cross-infection, the present embodiment provides a kind of syringe needle, the notes Emitter syringe needle includes needle body, needle stand, blocking unit and locking separative unit, and needle body is arranged in needle stand far from one end of needle point, The position that needle body bottom is abutted with needle stand is arranged in blocking unit, and locking separative unit includes triggering hole, elastic component and trigger member, The extending direction on needle stand and perpendicular to needle body is arranged in triggering hole, and in triggering hole, trigger member is arranged in bullet for elastic component setting Property part both ends, when lock separative unit be in locking state when, needle body and needle stand are fastenedly connected by elastic component, when locking separation When unit is in triggering state, trigger member separates needle body with needle stand by triggering elastic component, and needle body is along towards needle point one The direction at end is detached from from needle stand.Specifically, referring to Figure 1/Fig. 2, syringe needle 1 includes needle body 11, and needle stand 12 stops list Member 13 and locking separative unit, needle body 11 are arranged in needle stand 12 far from one end of needle point 111, and blocking unit 13 is arranged in needle body The position that 11 bottoms are abutted with needle stand 12, locking separative unit include elastic component 14, trigger member 15 and triggering hole 17, trigger hole 17 It is arranged on needle stand 12 and is being triggered in hole 17 perpendicular on the extending direction of needle body 11, elastic component 14 is arranged, trigger member 15 is set It sets at 14 both ends of elastic component；When locking separative unit is in locking state, needle body 11 is fastened with needle stand 12 by elastic component 14 Connection, avoids needle body 11 from shaking in needle stand 12, and medical staff is facilitated to carry out injection operation；It is opened when locking separative unit is in It when state, separates, and can be recycled along being detached from from needle stand 12 towards the direction of needle point 111 between needle body 11 and needle stand 12 Processing or disinfection.

Further, blocking unit includes one end of tattooing handle, and the bottom of needle body is abutted with the corresponding position of one end of tattooing handle, is stopped Boss is provided with the medicine liquid channel for conveying medical fluid.Specifically, blocking unit 13 includes one end of tattooing handle 131, the bottom of needle body 11 Portion is abutted with the corresponding position of one end of tattooing handle 131, avoids locking separative unit in the open state by blocking unit 13, needle Body 11 glides after separating from needle stand 12 and then falls after rise to syringe 2, and syringe 2 is caused to pollute.Further, blocking unit 13 It can be one end of tattooing handle 131, the position that 11 bottom of needle body is abutted with needle stand 12 is arranged in one end of tattooing handle 131, prevents locking from separating In the open state, needle body 11 separates rear needle body 11 with needle stand 12 and glides to be fallen after rise to syringe 2 caused by syringe 2 unit Pollution；Further, one end of tattooing handle 131 is provided with the medicine liquid channel 1311 for conveying medical fluid, and the medical fluid in syringe 2 passes through Medicine liquid channel 1311 enters syringe needle 1.It is to be appreciated that 1311 diameter of medicine liquid channel of one end of tattooing handle 131 answer it is small In the outer diameter of needle body 11, both made one end of tattooing handle 131 will not influence the medical fluid in syringe 2 and passed through the medicine in one end of tattooing handle 131 Liquid channel 1311 enters syringe needle 1, and after the completion of making injection, when opening locking separative unit, needle body 11 and needle stand When 12 separation, one end of tattooing handle 131 can withstand on the bottom surface of 11 corresponding position of needle body close to the end face of needle body 11, to block needle body 11, which make needle body 11 not glide, falls back to the pollution that syringe 2 causes syringe 2.It is to be appreciated that medicine liquid channel 1311 It can be beeline channel, be also possible to curved channel or labyrinth passage, the concrete shape of medicine liquid channel 1311 constructs basis Depending on the actual flow demand of medical fluid, the present embodiment is not especially limited this.

Further, one end of tattooing handle is round or fan shape in section.Specifically, the section shape of one end of tattooing handle 131 Shape can be circle, i.e., one end of tattooing handle 131 is a continuous continual annular boss, which is arranged in 11 bottom of needle body , so that it will not be snapped down in syringe 2, the dirt of syringe 2 is caused for holding 11 bottom of needle body in the position abutted with needle stand 12 Dye；Further, the section of one end of tattooing handle 131 may be sector, i.e., one end of tattooing handle 131 is fan-shaped boss, and fan-shaped boss is set The position abutted in 11 bottom of needle body with needle stand 12 is set, is used to support 11 bottom of needle body, so that it will not be snapped down to syringe 2 In, cause the pollution of syringe 2；It is to be appreciated that fan-shaped boss at least two, is also possible to three or three or more, At needle body 11 and 12 bottom bearing surface of needle stand, syringe will not be snapped down to by being used to support needle body 11 for two fan-shaped boss settings 2 cause the pollution of syringe 2.One end of tattooing handle 131 is used to lock separative unit in the open state, needle body 11 and needle stand 12 When separation, one end of tattooing handle 131 can withstand on the bottom surface of 11 corresponding position of needle body close to the end face of needle body 11, to block needle body 11 So that needle body 11, which will not glide, falls back to the pollution that syringe 2 causes syringe 2.It is to be appreciated that one end of tattooing handle 131 is cut Face shape is either round, fan-shaped or other certain shapes do not affect one end of tattooing handle 131 and withstand on close to the end face of needle body 11 The bottom surface of 11 corresponding position of needle body is caused so that needle body 11 be prevented to slide along the direction far from 111 one end of needle point to syringe 2 The pollution of syringe 2, therefore the specific cross sectional shape of one end of tattooing handle 131, the present embodiment are not especially limited this.Further , the liquid wall of crossing of medicine liquid channel is additionally provided with waterproof coating.Specifically, the liquid wall of crossing of medicine liquid channel 1311 is provided with waterproof painting Layer, so that medical fluid when passing through medicine liquid channel 1311, will not be stained with medical fluid in crossing on liquid wall face for medicine liquid channel 1311, make Obtaining medical fluid, some remains on medicine liquid channel 1311, causes liquid waste caused by the use not exclusively of medical fluid.It needs to manage Solution, waterproof coating specifically can be waterproof resin or with the mica powder of waterproof efficacy or other waterproof coatings, this realities It applies example and this is not especially limited.

Further, elastic component include the first elastic component and the second elastic component, when elastic component in the raw when, first Elastic component and the fitting of the second elastic component are to fix needle body, when elastic component is in triggering state, the first elastic component and the second elasticity Distance increases between part.Specifically, referring to Fig. 3, elastic component 14 includes the first elastic component 141 and the second elastic component 142, works as bullet Property part 14 in the raw when, the first elastic component 141 and the second elastic component 142 fitting to fix needle body 11, when elastic component 14 When in triggering state, distance increases between the first elastic component 141 and the second elastic component 142.Specifically, in nature, First elastic component is bonded with the second elastic component, clamps needle body by the fitting between the first elastic component and the second elastic component 11, so that needle body 11 will not shake in needle stand 12, so that medical staff be facilitated to inject, injection effect is good；It is injecting The trigger member 15 at 14 both ends of elastic component is arranged in by pressing in Bi Hou so that the first elastic component 141 and the second elastic component 142 it Between distance increase, needle body 11 is separated with needle stand 12 at this time, then individually carries out needle body 11 to recycle the processing operations such as disinfection, together When 11 bottom of needle body be set abutted with the corresponding position of one end of tattooing handle 131 so that needle body 11 will not be fallen after rise to syringe, make It obtains needle body 11 to separate along the extending direction of needle point 111 with needle stand 12, facilitates recycling, avoid the pollution of syringe 2.It is understood that , the length extending direction of elastic component 14 should be slightly larger than the width of corresponding needle stand 12 in parallel and trigger member 15 can touched Hair engaging aperture 17 it is inner occur perpendicular to triggering 17 extending direction of hole deformation or micro-displacement so that triggering when, can by along It is parallel to the direction pressing trigger member 15 that the length in triggering hole 17 extends, so that elastic component 14 is parallel to triggering 17 length of hole The extruding force in direction and occur perpendicular to triggering hole 17 length extending direction deformation so that the first elastic component 141 and second The distance between elastic component 142 increases, so that needle body 11 is separated with needle stand 12, needle body 11 is individually then carried out recycling disinfection Etc. processing operations.

Further, trigger member further includes connector, and trigger member passes through connector and the needle stand end face for being provided with triggering hole It is fastenedly connected.Specifically, trigger member 15 further includes connector 16, trigger member 15 is by connector 16 and is provided with triggering hole 17 12 end face of needle stand is fastenedly connected.Trigger member 15 is arranged on 14 both ends end face of elastic component, since elastic component 14 can be in triggering hole 17 In occur perpendicular to triggering 17 length extending direction of hole deformation or micro-displacement, for prevent elastic component 14 in nature Run-off the straight or sideslip are when the triggering inner generation in hole 17 displacement causes needle body 11 fixed to influence injection effect, and trigger member 15 is also Including connector 16, by connector 16 connector 16 is passed through and the trigger member 15 at 14 both ends of elastic component is set and is provided with 12 end face of needle stand for triggering hole 17 is fixed so that fixed elastic component 14 will not occur vertically in hole 17 in nature triggering Deformation or micro-displacement in triggering 17 length extending direction of hole, avoid elastic component 14 and are triggering in hole 17 in nature Displacement is led to the problem of when causing needle body 11 fixed run-off the straight or sideslip is to influence injection effect.

Further, elastic component includes elastic piece or spring leaf, and trigger member includes trigger button.Specifically, elastic component 14 can be elastic piece or spring leaf, and being also possible to other has the elastic component 14 that can restore elasticity, buffer function, carry out It is fitting when injection, between elastic component 14, to fixed needle body 11 and needle stand 12, medical staff is facilitated to inject；It is infusing After the completion of penetrating, elastic component 14 is triggered by pressing trigger member 15, elastic component 14 is made to can produce certain deformation in triggering, So that needle body 11 and needle stand 12 separate, then needle body 11 is individually carried out to the processing operations such as recycling disinfection, while being arranged in needle body 11 bottoms are abutted with the corresponding position of one end of tattooing handle 131 so that needle body 11 will not be fallen after rise to syringe so that needle body 11 along The extending direction of needle point 111 is separated with needle stand 12, facilitates recycling, avoids the pollution of syringe.It is to be appreciated that elastic component 14 It should be the elastic component 14 that can restore elasticity, specifically have buffer function, replacement needle body 11 carries out secondary after the completion of injecting first time When injection, the deformation of elastic component 14 is restored, and is restored to fit-state between the first elastic component 141 and the second elastic component 142, To fasten needle body 11 and needle stand 12, so that needle body 11 will not shake in needle stand 12, to influence injection effect.Further , trigger member 15 includes trigger button, elastic component 14 is triggered by pressing trigger button, so that elastic component 14 can be in triggering Certain deformation is generated, so that needle body 11 and needle stand 12 separate, then needle body 11 is individually carried out to the processing operations such as recycling disinfection.

Further, needle body is arranged fluted on the side wall of elastic component, elastic component position setting corresponding with groove There is clamping block.Specifically, referring to Figure 1/Fig. 2, needle body 11 is arranged fluted 112 on the side wall of elastic component 14, elastic component 14 positions corresponding with groove 112 are provided with clamping block 113, specifically, being arranged close in needle body 11 when carrying out injection operation The groove 112 that is arranged on the side wall of elastic component 14 and it is arranged on needle body 11 and the groove 112 of 113 corresponding position of clamping block is completed Clamping, so that needle body 11 is fastenedly connected with needle stand 12, so that needle body 11 will not shake in needle stand 12, needle body 11 and needle stand 12 Fastening effect is more preferable, so that medical staff be facilitated to carry out injection operation, injection effect is more preferably；After injection operation, by The deformation perpendicular to triggering hole length extending direction is generated after the first elastic component 141 and the second elastic component 142 are toggled, together When make elastic component 14 between 11 corresponding position of needle body at a distance from increase, groove of the needle body 11 on the side wall of elastic component is set 112 release clamping with the clamping block 113 that corresponding position on its elastic component 14 is arranged, so that needle body 11 is separated with needle stand 12, then Needle body 11 is individually carried out to the processing operations such as recycling disinfection.

Further, clamping block section is polygon, and groove section is set as the shape with clamping block cross-sections match.Specifically , 113 section of clamping block is polygon, and 112 section of groove is set as the shape with 113 cross-sections match of clamping block, specifically, card The section for connecing block 113 can be the polygons such as diamond shape, square, or other shapes, groove 112 are and clamping block 113 Corresponding any shape, so that the clamping of clamping block 113 and groove 112, the present embodiment does not limit its specific structure specifically It is fixed.

Embodiment two:

The present embodiment provides a kind of syringes, refer to Fig. 4, which includes described in syringe portion 21 and embodiment one Syringe needle 1, syringe portion 21 and syringe needle 1 connect.Specifically, the syringe 2 can be disposable syringe, It can be reused injection pen；Syringe portion 21 and syringe needle 1, which connect, specifically may be a fixed connection, and be also possible to It is flexibly connected.Syringe provided in this embodiment specifically can be insulin syringe, be also possible to other kinds of syringe, The present embodiment is not specifically limited the type and purposes of syringe 1.

Syringe provided by the utility model has syringe needle 1 described in embodiment one, i.e., provided in this embodiment Syringe 2 connects needle body 11 and needle stand 12 by locking separative unit, when so that locking separative unit being in locking state, needle body 11 are fixedly connected with needle stand 12, facilitate medical staff to carry out the operation such as injecting, lock separative unit in the open state, needle body 11 separate along the extending direction towards needle point 111 with needle stand 12, and needle body 11 is made to fall off from needle stand 12, then that needle body 11 is independent Storage is recycled and is disinfected into needle body recycling box；In addition 11 bottom of needle body and the corresponding position of 12 bearing surface of needle stand The one end of tattooing handle 131 installed can be such that needle body 11 separates along the extending direction of needle point 111 with needle stand 12, and needle body 11 is avoided to return The pollution for causing syringe 2 in syringe is dropped down onto so that syringe 2 is reusable, needle body 11 is only needed to change, saves Medical cost.

The utility model provides a kind of syringe needle, including needle body, needle stand, blocking unit and locking separative unit, needle Body is arranged in needle stand far from one end of needle point, and the position that needle body bottom is abutted with needle stand, locking separation is arranged in blocking unit Unit includes triggering hole, elastic component and trigger member, and the extending direction on needle stand and perpendicular to needle body, elastic component is arranged in triggering hole Setting is in triggering hole, and trigger member setting is at elastic component both ends, when locking separative unit is in locking state, needle body and needle stand It is fastenedly connected by elastic component, medical staff carries out the operation such as injecting using the syringe needle；After completing injection, medical staff can lead to It crosses the locking separative unit and separates needle body with needle stand along the extending direction towards needle point, so that needle body is fallen off from needle stand, so Needle body is individually stored into needle body recycling box afterwards, is recycled and is disinfected.Such syringe needle makes Needle body and needle stand are separable, by locking separative unit needle body can be separated with needle stand after using, then by needle body list Solely recovery processing carries out back being possible to stab doctor when set needle cap operation after eliminating syringe needle use in the prior art Caused by the hand of shield personnel the problem of virus cross-infection.In addition needle body is separated with needle stand and can be kept away from the extending direction along needle point Exempt from needle body to fall after rise to the pollution for causing syringe in syringe.Syringe needle provided by the utility model with it is in the prior art Syringe needle is compared, and carries out back being possible to stab medical care people when set needle cap operation after both having eliminated syringe needle use The problem of virus cross-infection caused by the hand of member, while when in turn avoiding needle body and being separated with needle stand, needle body, which glides, falls extremely note after rise The problem of emitter pollutes syringe.In addition, the utility model also provides a kind of syringe, including syringe, with injection The connection of device syringe needle, detachable syringe needle make the needle body of syringe needle and needle stand separable, eliminate syringe needle use After carry out back the problem of being possible to virus cross-infection caused by stabbing the hand of medical staff when set needle cap operation.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to In the protection scope of the utility model.

Claims (10)

1. a kind of syringe needle, which is characterized in that including needle body, needle stand, blocking unit and locking separative unit, the needle body One end far from needle point is arranged in the needle stand, and the blocking unit is arranged in what the needle body bottom was abutted with the needle stand Position, the locking separative unit include triggering hole, elastic component and trigger member, and the triggering hole is arranged on the needle stand and hangs down Directly in the extending direction of the needle body, the elastic component is arranged in the triggering hole, and the trigger member is arranged in the elasticity Part both ends, when the locking separative unit is in locking state, the needle body is fastened with the needle stand by the elastic component Connection, when the locking separative unit is in triggering state, the trigger member makes the needle by triggering the elastic component Body is separated with the needle stand, and needle body is detached from from the needle stand along the direction towards needle point one end.

2. syringe needle as described in claim 1, which is characterized in that the blocking unit includes one end of tattooing handle, the needle The bottom of body is abutted with the corresponding position of the one end of tattooing handle, and it is logical that the one end of tattooing handle is provided with the medical fluid for conveying medical fluid Road.

3. syringe needle as claimed in claim 2, which is characterized in that the one end of tattooing handle is round or fan-shaped in section Shape.

4. syringe needle as claimed in claim 2, which is characterized in that crossing on liquid wall for the medicine liquid channel is provided with waterproof Coating.

5. syringe needle according to any one of claims 1-4, which is characterized in that the elastic component includes the first elastic component With the second elastic component, when the elastic component in the raw when, first elastic component and second elastic component fitting with The fixed needle body, when the elastic component is in triggering state, the spacing of first elastic component and second elastic component From increase so that the needle body and the needle stand are separable.

6. syringe needle as claimed in claim 5, which is characterized in that the trigger member further includes connector, the triggering Part is fastenedly connected by the connector with the needle stand end face for being provided with the triggering hole.

7. syringe needle as claimed in claim 5, which is characterized in that the elastic component includes elastic piece or spring leaf, The trigger member includes trigger button.

8. syringe needle according to any one of claims 1-4, which is characterized in that the needle body is close to the elastic component It is arranged fluted on side wall, elastic component position corresponding with the groove is provided with clamping block.

9. syringe needle as claimed in claim 8, which is characterized in that the clamping block section is polygon, the groove Section is set as the shape with the clamping block cross-sections match.

10. a kind of syringe, including syringe, which is characterized in that further include such as the described in any item syringe needles of claim 1-9 Head, the syringe are connect with the syringe needle.