CN208081335U - A kind of new disposable department of stomatology special syringe - Google Patents

Abstract

The utility model discloses a kind of new disposable department of stomatology special syringes,Its structure includes burr,Push rod,Piston rod,Needle end,Filter,Syringe,Needle tubing,Extremity piece,Locating part,The syringe is cylindrical structure,Its front and back end ports is the equal circle of diameter,The syringe inner cavity is hollow,Port communicates,The syringe front end is equipped with needle end,Needle end uses built-in mounting means,The syringe is located inside syringe,For built-in mounting structure,The syringe inner cavity is equipped with piston rod,Described piston rod one end is connected with push rod lower end,Using fitting mounting means,The push rod above syringe from being through in its cavity of resorption,It is connect with extremity piece integrated molding on the upside of the syringe,The utility model is equipped with filter,It can realize the function of liquid filtering,Effectively improve the cleanliness factor of liquid,Disposable Product organization facility,It is easy to operate.

Description

A kind of new disposable department of stomatology special syringe

Technical field

The utility model is a kind of new disposable department of stomatology special syringe, belongs to the field of medical instrument technology.

Background technology

It is generally believed that the problem of oral administration maximum is in the effective concentration of periodontal loci holding, oral cavity syringe is A kind of oral pocket is interior to be directly administered the equipment of curative effect certainly.

Prior art discloses application No. is：201520784739.6 a kind of disposable oral cavity section special syringe, packet Needle tubing, syringe needle and protective cap are included, push rod is equipped in the needle tubing, the push rod top is equipped with piston, and the needle tubing top is equipped with Socket cap is provided with mounting hole on the socket cap, and the syringe needle bottom end is equipped with needle stand, and the needle stand is fixed on the mounting hole It is interior；Needle stand bottom radial symmetric is equipped with convex ribs, and the push rod top connects connecting seat, and the connecting seat inner top connection is convex Platform is opened on the boss inner wall there are two the mounting groove being centrosymmetric, and the internal diameter of the boss is equal to the diameter of the needle stand. Syringe needle and needle tubing are connection structure in disposable syringe provided by the utility model, are unable to delamination, after the completion of injection, push away The syringe needle for contacting human body can be withdrawn into needle tubing by bar, and syringe needle can not be used again, and the syringe needle after use is not exposed to environment In, the case where medical worker will not being made to cause syringe needle to be reused due to carelessness, prevent cross contamination.But it is insufficient Place is that liquid is pumped into from liquid medicine bottle in syringe, is easy entrainment fine particle.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of special note of the new disposable department of stomatology Emitter, to solve the problem of that liquid carries fine particle secretly from easy in suction syringe in liquid medicine bottle.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of new disposable Department of stomatology special syringe, structure include burr, push rod, piston rod, needle end, filter, syringe, needle tubing, extremity piece, limit Part, the syringe are cylindrical structure, and front and back end ports are the equal circle of diameter, and the syringe inner cavity is hollow, port phase Logical, the syringe front end is equipped with needle end, and needle end uses built-in mounting means, and the syringe is located inside syringe, is built-in Mounting structure, the syringe inner cavity are equipped with piston rod, and described piston rod one end is connected with push rod lower end, using fitting installation side Formula, the push rod are connect on the upside of the syringe with extremity piece integrated molding, the bar from being through to above syringe in its cavity of resorption Ring is torus structure, is located at locating part top position by push rod, the extremity piece is linked together by syringe and needle tubing, described Needle tubing lower end position is equipped with filter；The filter is made of hollow cylinder, filter plate, inlet tube, connecting leg, limited block, described Hollow cylinder is located at filter plate center, and the filter plate through-hole is connected with inlet tube, and the inlet tube is used with connecting leg and is screwed on Fit system is flexibly connected, and the connecting leg is connected with syringe front-end position, and hollow cylinder is connected with needle end inner port.

Further, the needle end is connected with needle tubing.

Further, the extremity piece runs through its inner cavity both sides by push rod.

Further, the push rod upper end is inserted into burr lower end.

Further, the needle end constitutes connection relation by needle tubing and piston rod.

Further, the locating part is located at ring wall position on extremity piece.

Further, the limited block sets up both sides separately, and contact surface is the equal rectangle of diameter.

Further, the chimeric port of the hollow cylinder is identical, and internal diameter is less than filter plate open end diameter.

Advantageous effect

A kind of new disposable department of stomatology special syringe of the utility model, syringe mainly by burr drive push rod with Piston rod moves linearly along cylinder inner wall, and liquid medicine is pushed to be projected from needle end, the function of liquid filtering is realized using filter, even Pipe is placed in needle end inside front position, and inlet tube is fixed by limited block, improves stability, and liquid is flowed into from inlet tube In filter plate, the particulate matter in gas-liquid is fallen by the small ventilative tissue blocking that surface is formed, effectively improves the cleaning of liquid Degree, disposable Product organization facility are easy to operate.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of new disposable department of stomatology special syringe of the utility model；

Fig. 2 is the filter schematic diagram of the utility model；

Fig. 3 is the burr structural decomposition diagram of the utility model；

Fig. 4 is the filter plate internal structure schematic diagram of the utility model.

In figure：Burr -1, push rod -2, piston rod -3, needle end -4, filter -5, hollow cylinder -501, filter plate -502, Inlet tube -503, connecting leg -504, limited block -505, syringe -6, needle tubing -7, extremity piece -8, locating part -9.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

- Fig. 4 is please referred to Fig.1, the utility model provides a kind of technical solution：A kind of special injection of the new disposable department of stomatology Device, structure include burr 1, push rod 2, piston rod 3, needle end 4, filter 5, syringe 6, needle tubing 7, extremity piece 8, locating part 9, institute It is cylindrical structure to state syringe 6, and front and back end ports are the equal circle of diameter, and 6 inner cavity of the syringe is hollow, and port communicates, 6 front end of the syringe is equipped with needle end 4, and needle end 4 uses built-in mounting means, and the syringe 6 is located inside syringe 6, is interior Mounting structure is set, 6 inner cavity of the syringe is equipped with piston rod 3, and 3 one end of the piston rod is connected with 2 lower end of push rod, using fitting Mounting means, the push rod 2 are through to from above syringe 6 in its cavity of resorption, and 6 upside of the syringe connects with 8 integrated molding of extremity piece It connects, the burr 1 is torus structure, is located at 9 top position of locating part by push rod 2, the extremity piece 8 passes through syringe 6 and needle Pipe 7 is linked together, and 7 lower end position of the needle tubing is equipped with filter 5；The filter 5 by hollow cylinder 501, filter plate 502, into Liquid pipe 503, connecting leg 504, limited block 505 form, and the hollow cylinder 501 is located at 502 center of filter plate, the filter plate 502 Through-hole is connected with inlet tube 503, and the inlet tube 503 is flexibly connected with connecting leg 504 using the fit system that is screwed on, the company Pipe 504 is connected with 6 front-end position of syringe, and hollow cylinder 501 is connected with 4 inner port of needle end, the needle end 4 and needle tubing 7 are connected, and the extremity piece 8 runs through its inner cavity both sides by push rod 2, and 2 upper end of the push rod is inserted into 1 lower end of burr, the syringe needle End 4 constitutes connection relation by needle tubing 7 and piston rod 3, and the locating part 9 is located at ring wall position on extremity piece 8.

Filter plate 502 described in this patent is a kind of element for being filtered, and is used for the filter plate of filtering liquid media, profit Fall the particulate matter in liquid with the small ventilative tissue blocking that surface of filter medium is formed.

In progress in use, syringe mainly drives push rod 2 to move linearly along cylinder inner wall with piston rod 3 by burr 1, It pushes liquid medicine to be projected from needle end 4, realizes that the function of liquid filtering, connecting leg 504 are placed on 4 inside of needle end using filter 5 Orientation is set, and inlet tube 503 is fixed by limited block 505, improves stability, and liquid flows into filter plate 502 from inlet tube 503 In, the particulate matter in gas-liquid is fallen by the small ventilative tissue blocking that surface is formed, effectively improves the cleanliness factor of liquid, one The Product organization facility that secondary property uses, it is easy to operate.

The utility model solves the problems, such as it is that liquid is pumped into from liquid medicine bottle in syringe, is easy entrainment fine particle, this Utility model is combined with each other by above-mentioned component, and liquid is flowed into from inlet tube in filter plate, is formed by surface small ventilative The particulate matter in gas-liquid is fallen in tissue blocking, effectively improves the cleanliness factor of liquid, disposable Product organization facility, behaviour Make simply, it is described in detail below：

Hollow cylinder 501 is located at 502 center of filter plate, and 502 through-hole of the filter plate is connected with inlet tube 503, described Inlet tube 503 is flexibly connected with connecting leg 504 using the fit system that is screwed on, and the connecting leg 504 is connected with 6 front-end position of syringe, Hollow cylinder 501 is connected with 4 inner port of needle end.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (6)

1. a kind of new disposable department of stomatology special syringe, structure include burr（1）, push rod（2）, piston rod（3）, syringe needle End（4）, filter（5）, syringe（6）, needle tubing（7）, extremity piece（8）, locating part（9）, the syringe（6）For cylindrical structure, Front and back end ports are the equal circle of diameter, the syringe（6）Inner cavity is hollow, and port communicates, it is characterised in that：

The syringe（6）Front end is equipped with needle end（4）, needle end（4）Using built-in mounting means, the syringe（6）It is located at needle Cylinder（6）Inside is built-in mounting structure, the syringe（6）Inner cavity is equipped with piston rod（3）, the piston rod（3）One end and push rod （2）Lower end is connected, using fitting mounting means, the push rod（2）From syringe（6）Top is through in its cavity of resorption, the needle Cylinder（6）Upside and extremity piece（8）Integrated molding connects, the burr（1）For torus structure, pass through push rod（2）Positioned at limit Part（9）Top position, the extremity piece（8）Pass through syringe（6）With needle tubing（7）It is linked together, the needle tubing（7）Lower end position is equipped with Filter（5）；

The filter（5）By hollow cylinder（501）, filter plate（502）, inlet tube（503）, connecting leg（504）, limited block（505） Composition, the hollow cylinder（501）It is located at filter plate（502）Center, the filter plate（502）Through-hole and inlet tube（503）Phase Connection, the inlet tube（503）With connecting leg（504）Using the fit system flexible connection that is screwed on, the connecting leg（504）With syringe （6）Front-end position is connected, hollow cylinder（501）With needle end（4）Inner port is connected.

2. a kind of new disposable department of stomatology special syringe according to claim 1, it is characterised in that：The needle end （4）With needle tubing（7）It is connected.

3. a kind of new disposable department of stomatology special syringe according to claim 1, it is characterised in that：The extremity piece （8）By push rod（2）Through its inner cavity both sides.

4. a kind of new disposable department of stomatology special syringe according to claim 1, it is characterised in that：The push rod （2）Burr is inserted into upper end（1）In lower end.

5. a kind of new disposable department of stomatology special syringe according to claim 1, it is characterised in that：The needle end （4）Pass through needle tubing（7）With piston rod（3）Constitute connection relation.

6. a kind of new disposable department of stomatology special syringe according to claim 1, it is characterised in that：The locating part （9）It is located at extremity piece（8）Upper ring wall position.