CN208710788U - Disposable vaginal injector - Google Patents

Abstract

The utility model discloses a kind of disposable vaginal injector, including delivery tube, rubber plug and end cap.The delivery tube includes interconnected administration portion and hand-held part；The administration portion has an administration end, and the hand-held part has an open end.The rubber plug is arranged in the delivery tube.The end cap, which removably covers, to be closed at the administration end in the administration portion.Wherein, the outer diameter of the hand-held part is in the administration end towards being gradually increased on the direction of the open end.Technical solutions of the utility model improve the convenience that disposable vaginal injector uses.

Description

Disposable vaginal injector

Technical field

The utility model relates to medical instrument or amenities or nursing materials technical fields, in particular to a kind of disposable Vagina injector.

Background technique

Disposable vaginal injector generally comprises delivery tube, rubber plug and push rod, and ointment substance is pre-installed in delivery tube, so Rubber plug is pushed so that bolus injection is entered intravaginal by push rod afterwards.In use process, due to disposable vaginal injector Administration end is towards user and pressed end is backwards to user, all users generally pass through thumb and middle finger pinches delivery tube, then again Push rod is pressed by index finger to realize the effect injected.But in existing disposable vaginal injector, disposable vaginal is pushed away The delivery tube of note device is in cylindrical drum setting, and the part including providing user's grip is also set in the constant cylindrical drum of outer diameter It sets.Therefore, user is in grip delivery tube and when pushing push rod, the phenomenon that being easy to produce sliding, and then inconvenient user makes With.

Utility model content

The main purpose of the utility model is to provide a kind of disposable vaginal injector, it is intended to solve disposable vaginal and inject Device inconvenient problem with use.

To achieve the above object, the utility model proposes disposable vaginal injector, comprising:

Delivery tube, including interconnected administration portion and hand-held part；The administration portion has an administration end, the hand-held part With an open end；

Rubber plug is arranged in the delivery tube；

End cap, removably lid closes at the administration end in the administration portion；

Wherein, the outer diameter of the hand-held part is in the administration end towards being gradually increased on the direction of the open end.

Preferably, the disposable vaginal injector further includes sealing ring, and bottom is arranged in the end cap in the sealing ring Face, and the sealing ring to when the end cap lid close the administration end when, be folded in it is described be administered end end with it is described Between end cap.

Preferably, the wall thickness of the hand-held part is in the administration end towards progressive additive on the direction of the open end；

Alternatively, the internal diameter of the hand-held part is in the administration end towards being gradually increased on the direction of the open end.

Preferably, the disposable vaginal injector further includes push rod, and the push rod is to push the rubber plug.

Preferably, the length in the administration portion is 90mm~100mm；The length of the hand-held part is 25mm~35mm；Institute The wall thickness for stating administration portion is 0.7mm~1.5mm；The internal diameter in the administration portion is 6mm~13mm.

Preferably, the angle α ∈ between the outer wall of the hand-held part and the axis of the delivery tube [2 °, 10 °].

Preferably, the angle α ∈ between the outer wall of the hand-held part and the axis of the delivery tube [2 °, 4 °].

Preferably, the outer wall of the hand-held part is provided with texture structure.

Preferably, the inner surface of the port at the administration end is provided with internal screw thread；The end cap includes bottom plate, and along institute State the annular coaming plate of the periphery setting of bottom plate；The inner surface of the bottom plate is convexly equipped with connecting cylinder, and the outer surface of the connecting cylinder is set It is equipped with external screw thread, the internal screw thread threaded adapter of the external screw thread and the administration end.

Preferably, the disposable vaginal injector further includes seal closure, and the seal closure is plugged together in the hand-held part Open end.

Technical solutions of the utility model by the outer diameter of setting hand-held part in administration end towards on the direction of open end gradually Increase.In turn, when user grip hand-held part, can increase contact area between user and hand-held part, frictional resistance and Hand-held part is increased in open end towards the resistance to sliding on the direction at administration end, and then it is disposable that user's grip has been effectively ensured Stability when vagina injector.Meanwhile the outer surface of hand-held part being inclined to set to meet ergonomics, and then significantly Improve comfort when user's grip hand-held part.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model disposable vaginal injector；

Fig. 2 is the structural schematic diagram of another embodiment of the utility model disposable vaginal injector；

Fig. 3 is the section view of another embodiment of the utility model disposable vaginal injector；

Fig. 4 is the section view of delivery tube in Fig. 3；

Fig. 5 is the section view of the another embodiment of the utility model disposable vaginal injector；

Fig. 6 is the section view of delivery tube in Fig. 5；

Fig. 7 is the topology view of rubber plug and push rod in the utility model disposable vaginal injector；

Fig. 8 is the structural schematic diagram of the another embodiment of the utility model disposable vaginal injector；

Fig. 9 is the structural schematic diagram of the utility model disposable vaginal injector another embodiment；

Figure 10 is the section view of end cap in the utility model disposable vaginal injector；

Figure 11 is the schematic diagram of the part-structure of the utility model disposable vaginal injector another embodiment.

Drawing reference numeral explanation:

Label	Title	Label	Title
				100	Disposable vaginal injector	200	Delivery tube
210	Administration portion	211	End is administered
				220	Hand-held part	221	Open end
300	Rubber plug	310	Push rod
				311	Bottom	312	Top
313	Connecting plate	400	End cap
				410	Bottom plate	420	Annular coaming plate
430	Connecting cylinder	500	Texture structure
				600	Seal closure	M	Internal screw thread
N	External screw thread	P	Sealing ring

The realization, functional characteristics and advantage of the utility model aim will please refer to attached drawing and do furtherly in conjunction with the embodiments It is bright.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.

The utility model proposes a kind of disposable vaginal injectors, for injecting ointment substance, ointment to intravaginal Substance can be drug, nursing product, amenities or health care product etc..

Fig. 1 to Fig. 6 is please referred to, the utility model proposes a kind of disposable vaginal injectors 100, including delivery tube 200, glue Plug 300 and end cap 400.The delivery tube 200 includes interconnected administration portion 210 and hand-held part 220；The administration portion 210 With an administration end 211, the hand-held part 220 has an open end 221.The rubber plug 300 is arranged in the delivery tube.Institute It states end cap 400 and removably covers conjunction at the administration end 211 in the administration portion 210.Wherein, the outer diameter of the hand-held part 220 is in institute Administration end 211 is stated towards being gradually increased on the direction of the open end 221.

Delivery tube 200 has the first port and second port that are oppositely arranged, have between two-port an accommodating space with It is put in advance for drug.Specifically, delivery tube 200 includes administration portion 210 and hand-held part 220, administration portion 210 and hand-held part 220 are preferred It is integrally formed and is interconnected to constitute accommodating space above-mentioned.Administration portion 210 has administration end 211 and connecting pin；Administration End 211 has an administration port, that is, the first port of above-mentioned delivery tube 200, and connecting pin then with the hand-held part 220 End connection；Similarly, hand-held part 220 has open end 221 and connecting pin, and connecting pin is then connect with the connecting pin in administration portion 210, And open end 221 has the port filled in for push rod 310, this port is also the second port of above-mentioned delivery tube 200.Wherein, it gives An end cap 400 is covered at the port at medicine end 211, removably to play the role of sealing and protection.It should also explain, be administered The cross section of pipe 200 can be various shapes, such as rectangle, circle, ellipse or polygon etc., it is preferred that in the application It is explained using the rounded setting of the cross-sectional area of delivery tube 200.

Rubber plug 300 and delivery tube 200 in turn, are formed closed in interference fit setting between rubber plug 300 and end cap 400 It is pre-installed for drug in space.Wherein, rubber plug can be set in administration portion, in hand-held part or administration portion and hand-held part Junction.It should be understood that user first dismantles end cap 400 in 100 use process of disposable vaginal injector, then will To withstand rubber plug 300 in one push rod 310 insertion delivery tube 200, so by push rod 310 push rubber plug 300 can by drug from The administration port that end 211 is administered squeezes out.Wherein, the length of push rod 310 is preferably 120mm~140mm, also, the bar of push rod 310 (protruding into the part bar in delivery tube 200) diameter is 8.4mm~8.8mm, preferably 8.6mm.Secondly, push rod 310 and rubber plug 300 can be with It is split settings or connection setting.When push rod 310 and rubber plug 300 are in split settings, push rod 310 is placed in delivery tube 200 Outside, then push rod 310 is inserted into delivery tube to push rubber plug 300 to move when using disposable vaginal injector 100；When When push rod 310 and rubber plug 300 are in connection setting, it may be configured as being integrally formed or detachably connecting between push rod 310 and rubber plug 300 It connects.

In addition, even more important, the outer diameter that hand-held part 220 is arranged in the application is opened in the administration end 211 towards described It is gradually increased on the direction at mouth end 221.In turn, user is not only avoided during using disposable vaginal injector 100 Disposable vaginal injector 100 leads to the problem of shaking or falls off, and also effectively increases user's grip disposable vaginal injector 100 When comfort.Specific explanations: the disposable vaginal injector 100 of the application is generally used for the administration of vagina, so, user is certainly When body uses disposable vaginal injector 100, the positive user in the administration end 211 of disposable vaginal injector 100 and open end 221 Then backwards to user.In turn, user is during hand-held disposable vaginal injector 100, by thumb and middle finger to primary Property vagina injector 100 hand-held part 220 carry out grip, after administration portion 210 is then protruded into vagina, then pressed and pushed away by index finger Bar 310 and push rubber plug 300 carry out piston motion drug to be injected.It should be understood that hand-held in user's grip Portion 220 and during pushing push rod 310, due to the outer wall of hand-held part 220 is inclined to set (outer diameter of hand-held part 220 in Medicine end 211 is towards being gradually increased on the direction of open end 221), and then hand-held part 220 is increased in open end 221 towards administration Resistance to sliding on the direction at end 211, to be convenient for the user to use.

Wherein, it should which explanation, the outer diameter of hand-held part 220 is in the administration direction of the end 211 towards the open end 221 On there are many set-up modes that are gradually increased:

One, the wall thickness of the hand-held part 220 is in the administration end 211 towards gradually increasing on the direction of the open end 221 Greatly.It should be understood that the internal diameter of hand-held part 220 is constant (preferably identical with administration portion 210), and then in administration 211 direction of end The wall thickness of hand-held part 220 is thickeied on the direction of open end 221.

Two, the internal diameter of the hand-held part 220 is in the administration end 211 towards gradually increasing on the direction of the open end 221 Greatly.It should be understood that the wall thickness of hand-held part 220 is constant, and then in administration end 211 towards will hold on the direction of open end 221 The internal diameter in portion 220 is set as being gradually increased.

Three, the wall thickness and internal diameter of hand-held part 220 are in administration end 211 towards being gradually to increase on the direction of open end 221 Greatly.

Technical solutions of the utility model are by the outer diameter of setting hand-held part 220 in administration side of the end 211 towards open end 221 It is gradually increased upwards.In turn, when user grip hand-held part 220, the contact surface between user and hand-held part 220 can be increased Product, frictional resistance and increase hand-held part 200 in open end 221 towards administration end 211 direction on resistance to sliding, in turn Stability when user's grip disposable vaginal injector 100 has been effectively ensured.Meanwhile by the outer surface of hand-held part 220 in inclining Comfort when being tiltedly arranged to meet ergonomics, and then increasing substantially user grip hand-held part 220.

In another embodiment, Fig. 3 Fig. 6 and Figure 10 are please referred to, the inner bottom surface of the end cap 400 is provided with sealing ring P, should Sealing ring P is to be folded in the end and the end at the administration end 211 when the end cap 400 covers and closes the administration end 211 Between lid 400, to be sealed effect, and then when storing drug in delivery tube 200, prevent drug from flowing out.

In another embodiment, Fig. 3 and Fig. 7 are please referred to, the internal diameter of the hand-held part 220 is in 211 direction of administration end It is gradually increased on the direction of the open end 221；The push rod 310 includes bottom 311 and top 312, the bottom 311 and institute It states and is connected between top 312 by connecting rod, connecting rod is intersected by muti-piece connecting plate 313 and is spliced to form；Wherein, Mei Yisuo The width of the part close to the top 312 of connecting plate 313 is stated, the bottom Yu Suoshu 311 is towards on the direction at the top 312 It gradually increases.

Specifically, connecting plate 313 has in bottom 311 towards the length direction at top 312, similarly accordingly there is a width Direction.Secondly, connecting plate 313 is in the first end on its length direction with close bottom 311 and close to the second of top 312 End.In the application, the width of the second end of connecting plate 313 in bottom 311 towards gradually increasing on the direction at the top 312, And then it can more be adapted to the cavity shape of delivery tube 200.Wherein, the number of connecting plate 313 can be set to 2 pieces, 4 pieces, 6 pieces Or it is more.

It should be understood that top 312 can abut the opening of hand-held part 220 after push rod 310 is fully inserted into delivery tube 200 End 221, to play position-limiting action.Also, while top 312 abuts open end 221 of hand-held part 220, opening is covered It closes, in turn, in unused disposable vaginal injector 100, push rod 310 can be inserted into delivery tube 200 to play sealing Effect.In addition, also it should be noted that if rubber plug is connected to the bottom of push rod when between rubber plug and push rod being in connection status.

In addition, connecting rod may be connecting column setting, meanwhile, the one end at the close top 312 of connecting column is set in flaring It sets.

In another embodiment, the length in the administration portion 210 is 90mm~100mm, and the length of the hand-held part 220 is 25mm~35mm.

For the length in administration portion 210, it is possible to understand that, if the length in administration portion 210 is arranged longer, one is not square Just operation of the user to entire disposable vaginal injector 100, second increases the propelling resistance of drug；If be arranged compared with It is short, use of the same inconvenience user to disposable vaginal injector 100.Wherein, the length in administration portion 210 be 90mm~ 100mm, preferably 93mm~98mm, most preferably 95mm.

For the length of hand-held part 220, it is possible to understand that, the length of hand-held part 220 is arranged longer, finally will increase 100 entire length of disposable vaginal injector, and then inconvenient user operates；If being arranged shorter, inconvenient user Grip.Wherein, the length of hand-held part 220 is 25mm~35mm, preferably 27mm~32mm, most preferably 30mm.

Further, the wall thickness in the administration portion 210 is 0.7mm~1.5mm, the internal diameter in the administration portion 210 be 6mm~ 13mm。

For the wall thickness in administration portion 210, it is possible to understand that, it, cannot if the wall thickness in administration portion 210 is arranged relatively thin Guarantee the intensity in administration portion 210；If being arranged larger, increase the production cost of product.Wherein, the wall thickness in administration portion 210 is 0.7mm~1.5mm, preferably 0.9mm~1.2mm, most preferably 1.0mm.

For the internal diameter in administration portion 210, it is possible to understand that, if the internal diameter in administration portion 210 is arranged smaller, increase The propelling resistance of drug；If being arranged larger, it is possible that administration portion 210 is not easy the case where protruding into vagina.It is preferred that , the internal diameter in administration portion 210 is 6mm~10mm, and in the present embodiment, the internal diameter in administration portion 210 is 9mm, naturally it is also possible to be it His size, such as 7mm, 7.5mm, 8mm or 9.5mm.

Further, please refer to Fig. 4 and Fig. 6, the axis of the outer wall of the hand-held part 220 and the delivery tube 200 it Between angle α ∈ [2 °, 10 °].It should be understood that all have one tangent flat for the every bit on the outer wall of hand-held part 220 Face, in turn, the angle between this plane and the axis of delivery tube 200 are the α in the application.Wherein angle α ∈ [2 °, 10 °]； It is preferred that α ∈ [2 °, 4 °]；Most preferably, α is 3 °；Certain α is 5 °, 6 °, 7 °, 8 ° and 9 °.

It should explain, if α setting is larger, inconvenient user's grip hand-held part 220；If α setting is smaller, user makes When with disposable vaginal injector 100, hand-held part 220 in open end 221 towards administration end 211 direction on resistance to sliding not It is enough.

In a further preferred embodiment, Fig. 2, Fig. 8 and Fig. 9 are please referred to, textured knot is arranged in the outer wall of the hand-held part 220 Structure 500.It should be understood that setting texture structure 500, it is intended to increase the coefficient of friction of 220 outer wall of hand-held part to increase hand-held part 220 in open end 221 towards administration end 211 direction on resistance to sliding.Meanwhile user is using disposable vaginal injector When 100, more firmly grip disposable vaginal injector 100 can be lived.

Wherein, the setting form of texture structure 500 can there are many, as long as play increase by 220 outer wall of hand-held part friction Coefficient.Such as:

One, the texture structure 500 includes multiple planar deltas mutually spliced, also, the two described three of arbitrary neighborhood Angle plane is arranged in angle.

Two, the texture structure 500 is arranged towards on the direction of the open end 221 in ladder in the administration end 211.

Three, the texture structure 500 is in the raised line circumferentially extended around hand-held part 220.

Four, the texture structure 500 is that multiple sides in administration end 211 towards the open end 221 upwardly extend Raised line.Circumferential direction of the raised line along the hand-held part 220 is uniformly distributed, and the width of each raised line be 0.5mm~ 1.0mm。

It should illustrate, the set-up mode of texture structure 500 is not limited only to above-mentioned three kinds of connection types, if affiliated technology The technical staff in field can be with all equivalents or obvious variant of the embodiment of reasonable prediction the present embodiment All have identical performance or use, then belongs to the protection scope of the application.

In another embodiment, Fig. 4 and Figure 10 are please referred to, the inner surface of the port at the administration end 211 is provided with Internal screw thread M；The end cap 400 includes bottom plate 410, and the annular coaming plate 420 of the periphery setting along the bottom plate 410；It is described The inner surface of bottom plate 410 is convexly equipped with connecting cylinder 430, and the outer surface of the connecting cylinder 430 is provided with external screw thread N；External screw thread N with The internal screw thread M threaded adapter in the administration portion 210.

It should be understood that screw thread is arranged on the inner wall at administration end 211, in turn, after vagina is protruded at administration end 211, It can be effectively prevented and generate friction between screw thread and vagina mucosa.

For end cap 400, for the shape of corresponding delivery tube 200, therefore the bottom plate 410 of the end cap 400 of the application is in The shape of end cap 400 can be considered as accordingly with an open cylindrical body setting by circle setting.In turn, when end cap 400 covers It closes when 211 mouthfuls of end is administered, the periphery wall that end 211 can be administered in the annular coaming plate 420 of end cap 400 abuts, to enhance between the two Sealing intensity.Wherein, the internal diameter of the cylindrical body is 11mm~15mm, preferably 11mm~13mm, in the present embodiment, the cylinder The internal diameter of body is 11.1mm；Secondly, the outer diameter of the cylindrical body is 14mm~17mm, preferably 14mm~15mm, in the present embodiment, The internal diameter of the cylindrical body is 14.2mm.

In addition, being attached by the way of being threadedly coupled between end cap 400 and administration end 211, to guarantee between the two Bonding strength.Specifically, the inner surface of end cap 400 is convexly equipped with connecting cylinder 430, the outside wall surface of connecting cylinder 430 is provided with external screw thread Connecting cylinder 430 can be screwed into administration end 211 by N, in turn, user in such a way that spiral shell is adapted to, and then realize the connection of the two. In the present embodiment, screw thread N is preferably M6 screw thread, it is of course also possible to flexibly use other according to the different model of delivery device The screw thread of model, will not repeat them here.

Referring to Fig.1 1, in another embodiment, the disposable vaginal injector 100 further includes seal closure 600, the envelope Lid 600 plugs together the open end 221 in the hand-held part 220.It should be understood that seal closure 600 when push rod 310 to be placed in When 200 outside of delivery tube, the open end of hand-held part 220 is plugged together, to further prevent the prophylactic agent leakage inside administration end 211 Out.Secondly, user needs first to open seal closure 600, can insert push rod 310 when using disposable vaginal injector 100 Enter in delivery tube 200.Wherein, the thickness of seal closure 600 is preferably 2mm~4mm, in the present embodiment, is arranged using 2mm, certainly, Using 3mm and preferred embodiment.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of disposable vaginal injector characterized by comprising

Delivery tube, including interconnected administration portion and hand-held part；The administration portion has an administration end, and the hand-held part has One open end；

Rubber plug is arranged in the delivery tube；

End cap, which, which removably covers, closes at the administration end in the administration portion；

Wherein, the outer diameter of the hand-held part is in the administration end towards being gradually increased on the direction of the open end.

2. disposable vaginal injector as described in claim 1, which is characterized in that the disposable vaginal injector further includes Sealing ring, the sealing ring setting is in the end cap inner bottom surface, and the sealing ring is given described in end cap lid conjunction to work as When medicine end, it is folded between the end and the end cap at the administration end.

3. disposable vaginal injector as described in claim 1, which is characterized in that the wall thickness of the hand-held part is in the administration It holds towards progressive additive on the direction of the open end；

Alternatively, the internal diameter of the hand-held part is in the administration end towards being gradually increased on the direction of the open end.

4. disposable vaginal injector as described in claim 1, which is characterized in that the disposable vaginal injector further includes Push rod, the push rod is to push the rubber plug.

5. disposable vaginal injector as described in claim 1, which is characterized in that the length in the administration portion be 90mm~ 100mm；The length of the hand-held part is 25mm~35mm；The wall thickness in the administration portion is 0.7mm~1.5mm；The administration portion Internal diameter be 6mm~13mm.

6. disposable vaginal injector as described in claim 1, which is characterized in that the outer wall of the hand-held part and the administration Angle α ∈ [2 °, 10 °] between the axis of pipe.

7. disposable vaginal injector as claimed in claim 6, which is characterized in that the outer wall of the hand-held part and the administration Angle α ∈ [2 °, 4 °] between the axis of pipe.

8. disposable vaginal injector as claimed in any one of claims 1 to 7, which is characterized in that outside the hand-held part Wall is provided with texture structure.

9. disposable vaginal injector as claimed in claim 8, which is characterized in that the inner surface of the port at the administration end is set It is equipped with internal screw thread；The end cap includes bottom plate, and the annular coaming plate of the periphery setting along the bottom plate；The interior table of the bottom plate Face is convexly equipped with connecting cylinder, and the outer surface of the connecting cylinder is provided with external screw thread, the internal screw thread spiral shell of the external screw thread and the administration end Line adaptation.

10. disposable vaginal injector as described in claim 1, which is characterized in that the disposable vaginal injector is also wrapped Seal closure is included, the seal closure plugs together the open end in the hand-held part.