CN204219534U - A kind of safe medical syringe preventing interface slippage - Google Patents
A kind of safe medical syringe preventing interface slippage Download PDFInfo
- Publication number
- CN204219534U CN204219534U CN201420600403.5U CN201420600403U CN204219534U CN 204219534 U CN204219534 U CN 204219534U CN 201420600403 U CN201420600403 U CN 201420600403U CN 204219534 U CN204219534 U CN 204219534U
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- syringe
- interface
- tube
- syringe tube
- lug
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Abstract
This utility model relates to a kind of safe medical syringe preventing interface slippage, comprise syringe tube and be plugged in the push rod in syringe tube, the front end of syringe tube is provided with the interface be communicated with syringe tube inside, the front end of push rod is provided with a piston reclined with syringe tube inwall, interface comprises pipe and interface outer tube in the coaxial interface arranged, in interface, pipe is communicated with syringe tube inside, interface outer tube sleeve is located at outside interior pipe, be formed with the cavity of bottom lock in interface between pipe and interface outer tube, interface outer tube is provided with female thread.During use, syringe needle is inserted in cavity also to rotate and tighten, the inner wall sleeve of syringe needle to be contained in joint on pipe, the outer flange of syringe needle, by the female thread stuck fast of joint outer tube, realizes the reliable connection of syringe needle and syringe tube, even if be subject to External force interference, syringe needle also can not be shifted, slip phenomenon, avoid the drug waste that slippage causes, also reduce the misery that multiple injection is brought to patient, improve safety.
Description
Technical field
This utility model relates to a kind of medical syringe, particularly relates to a kind of safe medical syringe preventing interface slippage.
Background technology
Syringe is medical apparatus conventional in hospital, for injection, transfusion or from extracting bodily fluid in patient body.General syringe comprises syringe tube and is contained in the push rod in syringe tube, and there is the interface be communicated with syringe tube inside the front end of syringe tube, and interface can be connected with headend equipments such as syringe needle, infusion tube, infusion tee valves as required.But current syringe tube, interface on it is generally a little tubule, syringe needle, infusion tube or infusion tee valve are all directly be sleeved on little tubule, when not being subject to the interference of external force, this connected mode can be said to be more firmly, but when being subject to External force interference, as patient body in operating process swings, rocks, just be easy to make that syringe needle or infusion tube are shifted relative to syringe tube, slip phenomenon, patient's bleeding can be caused, waste medicine, even because administration is interrupted causing danger to patient, injects the misery also increasing patient again.On the other hand, by syringe from patient body during extracting bodily fluid, sometimes need to produce negative pressure in syringe, if doctor's hands one of now operation unclamps push rod in syringe, push rod will resilience immediately, therefore control by doctor's hand-power completely in extraction process, effort is compared in control, and the strength of control also cannot be accomplished accurately, and hands can not leave push rod, other things cannot be done again simultaneously, bring a lot of inconvenience to use.
Summary of the invention
It is fairly simple that this utility model mainly solves original syringe interface, not very firm with the connection of the headend equipment such as syringe needle, when being subject to External force interference, easily make that the headend equipments such as syringe needle are shifted, slip phenomenon, both waste medicine, again inject the technical problem also increasing patient suffering; A kind of safe medical syringe preventing interface slippage is provided, its docking port structure improves, greatly improve the connectivity robustness of interface and the headend equipment such as syringe needle, infusion tube, even if be subject to External force interference, the headend equipment such as syringe needle, infusion tube also can not be shifted, slip phenomenon, the patient's bleeding avoiding slippage to cause, waste medicine, even because the danger that causes is interrupted in administration, also reduce the misery that multiple injection is brought to patient, raising administration safety.
When this utility model solves original syringe for extraction operation simultaneously, push rod controls by doctor's hand-power completely, controls to compare effort, the strength controlled also cannot be accomplished accurately, and hands can not leave push rod, other things cannot be done again, to using the technical problem bringing a lot of inconvenience simultaneously; A kind of safe medical syringe preventing interface slippage is provided, in extraction process, push rod positions by the locking system be arranged on syringe, and push rod position is controlled, to provide comparatively precise negative pressure, control laborsaving, after push rod is located by locking system, doctor looses one's grip, and push rod can not resilience, doctor can do other things simultaneously, very easy to use.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: this utility model comprises syringe tube and is plugged in the push rod in syringe tube, the front end of syringe tube is provided with the interface be communicated with syringe tube inside, the front end of push rod is provided with a piston reclined with syringe tube inwall, described interface comprises pipe and interface outer tube in the coaxial interface arranged, in interface, pipe is communicated with described syringe tube inside, interface outer tube sleeve is located at outside interior pipe, be formed with the cavity of bottom lock in interface between pipe and interface outer tube, described interface outer tube is provided with female thread.Interface is used for the fluid delivery apparatus such as connecting needle, infusion tube, infusion tee valve.For syringe needle, syringe needle afterbody has the outer flange of a circle, syringe needle afterbody to be inserted in joint in the cavity between pipe with joint outer tube and to turn clockwise, until tighten, now, the inner wall sleeve of syringe needle to be contained in joint on pipe, the outer flange of syringe needle is by the female thread stuck fast of joint outer tube, realize the reliable connection of syringe needle and syringe tube, and connect very firm, guarantee in use procedure, even if by External force interference, syringe needle also can not swing, rock, displacement or slippage, improve safety in utilization, also the waste of the flow of infusate caused because of syringe needle slippage has been stopped.Otherwise counter-clockwise rotating needle, just can remove syringe needle from syringe tube, and the dismounting of syringe needle is very convenient.There is the transfusion headend equipment of outer flange all firmly can be connected with Interface realization of the present utility model.
As preferably, described push rod comprises the putting film that four decussations connect, and at least a slice putting film is provided with the uniform lug in multiple interval, and lug is vertical with putting film.Lug plays pointer effect, and scale on syringe tube with the use of, can be clear that the change in location of the forward and backward movement of push rod, draw the milliliter number of transfusion or drawing liquid, read-around ratio is more convenient.
As preferably, the spacing between described adjacent two lugs is consistent with the high range length on the tube wall being located at described syringe tube.Down scale on general syringe tube is 1ml, high range is 5ml, and in the technical program, the spacing of adjacent two lugs is equal with the length of syringe tube 5ml volume.Reading and all more convenient to the location of push rod, meets the needs of medical procedure.
As preferably, the rear portion of described syringe tube is provided with locking system, and locking system comprises connected locking plate and tapered end, and locking plate is curved and be fitted in syringe tube outer wall, tapered end vertically inserts in syringe tube, and tapered end be provided with lug putting film and towards lug putting film between.When syringe tube is for aspirating blood in patient body or waste liquid, pull push rod backward, pass in the slype left between the putting film that tapered end can point at lug and lug, negative pressure can be produced in syringe tube, in aspiration procedure, may due to the appearance of some situation, doctor must vacate hands to do other process, at this moment rotatable push rod, tapered end is kept off before nearest lug, located by push rod, after at this moment doctor looses one's grip, push rod also can not resilience, push rod position is controlled, control laborsaving, doctor can do other things simultaneously, very easy to use.
As preferably, the described putting film being provided with lug is provided with the breach that and described tapered end match, and breach is positioned at after last lug.When syringe does not make extraction operation, rotating push rod, make tapered end cross in the past from breach, then tapered end is positioned at the back side of the putting film having lug, and all do not have lug in the passage at now tapered end place, can not stop ground push-and-pull push rod, injection operation is convenient.
As preferably, the front end face of described syringe tube is the conical surface of an evagination, and the cone be connected before and after described piston comprises and cylinder, the conical surface of cone and syringe tube matches, and cylinder is provided with plural leakage-proof ring.Piston fully can be contacted with syringe tube front end, guarantee that the medicine in syringe tube can transfer out completely.The setting of leakage-proof ring, makes more closely to recline between piston and syringe tube inwall, improves the sealing of piston, effectively prevents fluid seepage in syringe tube out.
The beneficial effects of the utility model are: by improveing syringe tube interface structure, greatly improve the connectivity robustness of the headend equipment such as interface and syringe needle, even if be subject to External force interference, the headend equipments such as syringe needle also can not be shifted, slip phenomenon, the patient's bleeding avoiding slippage to cause, waste medicine, even because the danger that causes is interrupted in administration, also reduce the misery that multiple injection is brought to patient, improve administration safety.When syringe tube is used for extraction operation, push rod positions by the locking system be arranged on syringe tube, push rod position is controlled, to provide comparatively precise negative pressure, control laborsaving, after push rod is located by locking system, doctor looses one's grip, push rod can not resilience, and doctor can do other things simultaneously, very easy to use.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of one of the present utility model.
Fig. 2 is the left TV structure schematic diagram of one of the present utility model.
Fig. 3 is that the A of push rod in Fig. 1 is to sectional structure schematic diagram.
1. syringe tubes, 2. push rod, 3. piston in figure, 4. pipe in interface, 5. interface outer tube, 6. cavity, 7. female thread, 8. putting film, 9. lug, 10. locking plate, 11. tapered ends, 12. breach, 13. conical surfaces, 14. cones, 15. leakage-proof rings.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of safe medical syringe preventing interface slippage of the present embodiment, as shown in Figure 1 and Figure 2, comprise syringe tube 1 and be inserted into the push rod 2 in syringe tube 1, the front end of push rod 2 is connected with a piston 3 reclined with syringe tube 1 inwall, there is an interface be communicated with syringe tube 1 inside the front end of syringe tube 1, interface comprises pipe 4 and interface outer tube 5 in the coaxial interface arranged, in interface, pipe 4 is communicated with syringe tube 1 inside, interface outer tube 5 to be enclosed within interface outside pipe 4, be formed with the cavity 6 of bottom lock in interface between pipe 4 and interface outer tube 5, interface outer tube 5 has female thread 7.Push rod 2 comprises the putting film 8 that four decussations connect, as shown in Figure 3, two panels putting film 8 there are four uniform lugs 9 in interval, in addition two panels putting film do not have lug, there is the putting film of lug and arrange without the putting film interleaved of lug, lug 9 is vertical with putting film 8, lug is similar triangular shaped, an one side is in the arc consistent with syringe tube inwall radian, the adjacent putting film that another side points to apart from it is at regular intervals, reserve a narrower passage, spacing between adjacent two lugs 9 is consistent with the high range length on the tube wall being indicated in syringe tube 1, namely the down scale on syringe tube is 1ml, high range is 5ml, the spacing of so adjacent two lugs is consistent with the length of 5ml on syringe tube.As shown in Figure 1, have on the putting film 8 of lug 9 and also have a breach 12, breach 12 is positioned at after last lug 9.The rear portion of syringe tube 1 is provided with a locking system, locking system comprises connected locking plate 10 and tapered end 11, locking plate 10 is in the arc consistent with syringe tube outer wall radian, and fit with syringe tube 1 outer wall, tapered end 11 vertically inserts in syringe tube 1, the position of tapered end 11 is corresponding with the position of breach 12, and the diameter of tapered end is less than the width of breach, when making rotating push rod, tapered end can be passed through over from indentation, there, makes tapered end forward the back side of putting film from the front of the putting film being connected with lug to or to forward the front of the putting film being connected with lug from the back side of putting film to.The front end face of syringe tube 1 is the conical surface 13 of an evagination, the piston 3 being positioned at syringe tube comprises the connected cone 14 in front and back and cylinder, the conical surface 13 of cone 14 and syringe tube 1 matches, and cylinder has three spaced leakage-proof rings 15, piston is made up of half soft materials such as rubber.
Interface is used for the fluid delivery apparatus such as connecting needle, infusion tube, infusion tee valve.For syringe needle, syringe needle afterbody has the outer flange of a circle, to be inserted into by syringe needle afterbody in the cavity in joint between pipe with joint outer tube and to turn clockwise, until tighten, realizing the reliable connection of syringe needle and syringe tube.Guarantee in use procedure, even if by External force interference, syringe needle also can not swing, rock, be shifted or slippage, improve safety in utilization, also stopped the waste of the flow of infusate caused because of syringe needle slippage.Otherwise counter-clockwise rotating needle, just can remove syringe needle from syringe tube, and the dismounting of syringe needle is very convenient.There is the transfusion headend equipment of outer flange all firmly can be connected with Interface realization of the present utility model.
Two effects are played in the setting of lug.One is that scale on lug and syringe tube cooperates use, plays the accurate control action of transfusion dose.During as infused, firmly believe a lug, make the 15ml scale on itself and syringe tube corresponding, then driven forward push rod, when this lug is displaced to 10ml scale, illustrates the 10ml that infuses.Two is that lug and locking head cooperate use, plays locking tappet rod, controls the effect of negative pressure.When syringe tube is for aspirating waste liquid in patient body, rotating push rod, tapered end is positioned at the front of the putting film of lug, pull push rod backward, pass in the slype left between the putting film that tapered end can point at lug and lug, negative pressure can be produced in syringe tube, in aspiration procedure, may due to the appearance of some situation, doctor must vacate hands to do other process, at this moment rotatable push rod, tapered end is kept off before nearest lug, push rod is located, guaranteeing that doctor looses one's grip rear push-rod also can not resilience, reach push rod controlled, comparatively precise negative pressure is provided, control labour-saving object.When not needing the positioning action using lug, rotating push rod, makes tapered end pass from breach, and tapered end is positioned at the back side of the putting film having lug, does not all have lug in the passage at now tapered end place, pushes away or rear pulling-pushing rod before can not stopping ground.
Claims (6)
1. one kind prevents the safe medical syringe of interface slippage, comprise syringe tube (1) and be plugged in the push rod (2) in syringe tube (1), the front end of syringe tube (1) is provided with the interface be communicated with syringe tube (1) inside, the front end of push rod (2) is provided with a piston (3) reclined with syringe tube (1) inwall, it is characterized in that described interface comprises pipe (4) and interface outer tube (5) in the coaxial interface arranged, in interface, pipe (4) is communicated with described syringe tube (1) inside, interface outer tube (5) is set in interface and manages (4) outward, the cavity (6) of bottom lock is formed between pipe (4) and interface outer tube (5) in interface, described interface outer tube (5) is provided with female thread (7).
2. a kind of safe medical syringe preventing interface slippage according to claim 1, it is characterized in that described push rod (2) comprises the putting film (8) of four decussations connections, at least a slice putting film (8) is provided with the uniform lug in multiple interval (9), and lug (9) is vertical with putting film (8).
3. a kind of safe medical syringe preventing interface slippage according to claim 2, is characterized in that the spacing between described adjacent two lugs (9) is consistent with the high range length on the tube wall being located at described syringe tube (1).
4. a kind of safe medical syringe preventing interface slippage according to claim 2, it is characterized in that the rear portion of described syringe tube (1) is provided with locking system, locking system comprises connected locking plate (10) and tapered end (11), locking plate (10) is curved and be fitted in syringe tube (1) outer wall, tapered end (11) vertically inserts in syringe tube (1), and tapered end (11) be positioned at the putting film (8) that is provided with lug (9) and towards lug (9) putting film (8) between.
5. a kind of safe medical syringe preventing interface slippage according to claim 4, it is characterized in that the described putting film (8) being provided with lug (9) is provided with a breach (12) matched with described tapered end (11), breach (12) is positioned at after last lug (9).
6. a kind of safe medical syringe preventing interface slippage according to claim 1 or 2 or 3 or 4, it is characterized in that the front end face of described syringe tube (1) is the conical surface (13) of an evagination, the cone (14) be connected before and after described piston (3) comprises and cylinder, the conical surface (13) of cone (14) and syringe tube (1) matches, and cylinder is provided with plural leakage-proof ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600403.5U CN204219534U (en) | 2014-10-16 | 2014-10-16 | A kind of safe medical syringe preventing interface slippage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600403.5U CN204219534U (en) | 2014-10-16 | 2014-10-16 | A kind of safe medical syringe preventing interface slippage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204219534U true CN204219534U (en) | 2015-03-25 |
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ID=52917685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600403.5U Expired - Fee Related CN204219534U (en) | 2014-10-16 | 2014-10-16 | A kind of safe medical syringe preventing interface slippage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204219534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797223A (en) * | 2016-05-16 | 2016-07-27 | 北京迪玛克医药科技有限公司 | Aspirator |
-
2014
- 2014-10-16 CN CN201420600403.5U patent/CN204219534U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797223A (en) * | 2016-05-16 | 2016-07-27 | 北京迪玛克医药科技有限公司 | Aspirator |
| CN105797223B (en) * | 2016-05-16 | 2018-03-30 | 北京迪玛克医药科技有限公司 | Aspirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20181016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |