CN211214749U

CN211214749U - Medical treatment filter that dispenses

Info

Publication number: CN211214749U
Application number: CN201922008696.3U
Authority: CN
Inventors: 范继昌; 范凯文; 范先进
Original assignee: Shandong Wrx Medical Technology Co ltd
Current assignee: Shandong Wrx Medical Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-11
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a medical treatment filter that dispenses, it has solved current liquid medicine filter need puncture repeatedly when dispensing the infusion, lacks the technical problem of protection, easy pollution, and it is equipped with filter body, and filter body inside has installed filter paper, and the filter paper both sides communicate the liquid outlet respectively, and characterized by still is equipped with the syringe needle, syringe needle and liquid outlet intercommunication, syringe needle and liquid outlet can be dismantled and be connected, connect for threaded connection. The utility model can be widely applied to the medical transfusion and dispensing processes.

Description

Medical treatment filter that dispenses

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a medical treatment filter that dispenses.

Background

In the medical treatment process, the infusion of human body is an effective treatment means, and generally, a method of additionally arranging a filter on an infusion passage is adopted to filter out impurities and precipitates in the liquid medicine. Utility model CN201821862852 discloses a dispensing filter as shown in fig. 1, wherein a connecting part and a puncturing part are fixedly arranged at the upper end and the lower end of the dispensing filter; the utility model CN200620047231 discloses a micro liquid medicine filter of an infusion apparatus as shown in fig. 2, and the utility model CN201320786680 discloses a liquid medicine filter as shown in fig. 3, and the use process of the liquid medicine filter needs to be matched with a traditional injection needle to jointly complete the dispensing and filtering. The existing liquid medicine filters need to repeatedly puncture an infusion bottle when dispensing and infusing, particularly when dispensing powder injection, generally, medical staff uses a disposable dispensing device to suck a small amount of liquid in a soft infusion bottle and inject the liquid into a powder injection medicine bottle, after the medicine powder in the injection bottle is dissolved, the liquid medicine is pumped back into the disposable dispensing device, and finally the liquid medicine is injected into the infusion bottle, and before infusion, the infusion device puncture the infusion bottle to complete infusion; meanwhile, the liquid medicine filter is not protected at the connecting part and the puncture part, so that pollution is easily caused.

Disclosure of Invention

The utility model discloses a solve current liquid medicine filter need puncture repeatedly when dispensing the infusion, lack the technical problem of protection, easy pollution, provide a split type medical treatment filter that dispenses.

The utility model provides a medical treatment filter that dispenses, it is equipped with filter body, and filter body is inside to have installed filter paper, and the filter paper both sides communicate the liquid outlet respectively, and characterized by still is equipped with the syringe needle, and the straight form of syringe needle head or towards one side bending form, syringe needle and liquid outlet intercommunication, syringe needle and liquid outlet can be dismantled and be connected, connect for threaded connection.

Preferably, the needle head is provided with a needle head external thread, the filter body is provided with a filter internal thread, and the needle head external thread and the filter internal thread are matched with each other.

Preferably, the needle head is provided with an inner needle head thread, the filter body is provided with an outer thread, and the inner needle head thread and the outer filter thread are matched with each other.

Preferably, the syringe needle still is equipped with fixed buckle, and fixed buckle is equipped with the bayonet socket, and the bayonet socket can be opened to through self elastic recovery original state.

Preferably, the needle head is a double-hole needle, wherein one needle hole is provided with an air inlet hole with a sealing valve.

Preferably, the retaining catch is integral with the needle.

Preferably, the fixed catch is removably connected to the needle.

Preferably, the syringe needle outside is equipped with the protective sheath, and the syringe needle is when the puncture, and the protective sheath can compression deformation, and when the syringe needle was taken out, the protective sheath can resume normal state and cover in the syringe needle periphery.

Preferably, the protective sheath is integral with the needle.

Preferably, the protective sheath is removably connected to the needle.

The utility model has the advantages that:

the utility model is provided with the dispensing filter body and the detachable needle head assembly, when the needle head assembly dispenses, adds medicine again or infuses, only one puncture operation is needed to be carried out on an infusion bottle, thereby effectively reducing the multiple punctures during the traditional dispensing and infusing, reducing the pollution risk during the puncture, simultaneously reducing the generation of tiny rubber particles during the puncture process of the infusion bottle, and improving the infusion safety; the needle head assembly and the dispensing filter body of the utility model adopt threaded connection when being connected, the connection is firm and reliable, and the manufacture is simple; the protective sleeve is arranged outside the needle head of the utility model, which can prevent the needle head from being polluted or scratched; the utility model discloses the syringe needle subassembly still is equipped with fixed buckle outward, and fixed buckle can make the syringe needle subassembly block infusion bottleneck portion, ensures that the syringe needle subassembly firmly fixes on the infusion bottle.

Drawings

FIG. 1 is a conventional dispensing filter;

FIG. 2 is a conventional micro-filter for medical fluids in infusion sets;

fig. 3 is a conventional disc type liquid medicine filter;

fig. 4 is a schematic connection diagram of embodiment 1 of the present invention;

fig. 5 is a schematic connection diagram of embodiment 2 of the present invention;

fig. 6 is a schematic connection diagram of embodiment 3 of the present invention;

fig. 7 is a schematic connection diagram of embodiment 4 of the present invention;

fig. 8 is a schematic connection diagram of embodiment 5 of the present invention.

Description of the symbols of the drawings:

1. a conventional dispensing filter; 2. a traditional micro liquid medicine filter of an infusion apparatus; 3. a conventional infusion needle; 4. a conventional disc-type liquid medicine filter; 10. a needle head; 11. an infusion port; 12. an external thread; 13. a protective sleeve; 14. fixing the buckle; 15. an air inlet; 16. a sealing valve; 17. an elbow needle head; 20. a dispensing filter body; 21. a transfusion tube; 22. a connecting pipe; 23. an internal thread; 24. filtering paper; 30. a micro liquid medicine filter body; 40. a disc type liquid medicine filter body.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can easily implement the present invention.

Example 1: as shown in FIG. 4, the present embodiment includes a dosage filter body 20 and a removable needle assembly. The inside filter paper 24 that is equipped with of filter body 20 dispenses, the upper and lower both ends are equipped with transfer line 21, and transfer line 21 communicates each other through dispensing filter body 20 is inside, and transfer line 21 outer lane is equipped with connecting pipe 22, and connecting pipe 22 is along the pipe wall inner edge being equipped with internal thread 23.

The detachable needle head assembly is provided with a needle head 10 and an infusion port 11, the needle head 10 and the infusion port 11 are communicated with each other to form a whole, the infusion port 11 is provided with an external thread 12 along the outer edge of the tube wall, the external thread 12 and an internal thread 23 on a connecting tube 22 can be matched with each other, and after the infusion port 11 is spliced with the infusion tube 21, the infusion port 11 is locked with the infusion tube 21 through the thread matching of the external thread 12 and the internal thread 23; the front end of the needle head 10 is provided with a protective sleeve 13 which can prevent the needle head 10 from being polluted or scratched; the outer edge of the infusion port 11 is provided with a fixing buckle 14, an elastic clamping jaw can be opened by pressing a handle of the fixing buckle 14, and the clamping jaw can clamp the neck of an infusion bottle to ensure that the needle head assembly is firmly fixed on the infusion bottle. After the completion of once dispensing, the needle assembly is left at the infusion bottle, the dispensing filter body 20 is separated from the detachable needle assembly by rotating the dispensing filter body 20 or the infusion bottle, and when the medicine is required to be added again or the infusion is required, the medicine is directly added or the infusion is completed by connecting the infusion tube 21 and the internal thread 23 of the connecting tube 22.

The detachable needle head component can be also set into a single-hole needle head or a double-hole needle head as required, the double-hole needle head mainly aims at bottled transfusion, one needle hole is a hole for normal injection, the other needle hole is an air inlet hole 15, a sealing valve 16 is arranged at the lower end of the needle hole, and the sealing valve 16 is used for controlling the opening and closing of the air inlet hole 15 and controlling air to enter the transfusion bottle.

Example 2: as shown in FIG. 5, the present embodiment includes a micro-fluid filter body 30 and a removable needle assembly. The miniature liquid medicine filter body 30 is internally provided with filter paper 24, the upper end and the lower end of the miniature liquid medicine filter body are provided with infusion tubes 21, the infusion tubes 21 are mutually communicated through the inside of the miniature liquid medicine filter body 30, the outer ring of the infusion tube 21 is provided with a connecting tube 22, and the connecting tube 22 is provided with internal threads 23 along the inner edge of the tube wall.

Example 3: as shown in fig. 6, the present embodiment includes a disc-type medical fluid filter body 40 and a detachable needle assembly. The disc-type liquid medicine filter body 40 is internally provided with filter paper 24, the upper end and the lower end of the disc-type liquid medicine filter body are provided with infusion tubes 21, the infusion tubes 21 are mutually communicated through the inside of the miniature liquid medicine filter body 30, the outer ring of the infusion tube 21 is provided with a connecting tube 22, and the connecting tube 22 is provided with internal threads 23 along the inner edge of the tube wall.

Example 4: as shown in FIG. 7, the present embodiment includes a dosage filter body 20 and a removable needle assembly. The inside filter paper 24 that is equipped with of filter body 20 dispenses, both ends are equipped with infusion mouth 11 from top to bottom, and infusion mouth 11 communicates each other through filter body 20 is inside, and infusion mouth 11 is along the outer edge of pipe wall being equipped with external screw thread 12.

The detachable needle head assembly is provided with a needle head 10 and an infusion tube 21, the needle head 10 and the infusion tube 21 are communicated with each other to form a whole, a connecting tube 22 is arranged on the outer ring of the infusion tube 21, an internal thread 23 is arranged on the connecting tube 22 along the inner edge of the tube wall, the external thread 12 and the internal thread 23 on the connecting tube 22 can be matched with each other, and after the infusion port 11 is spliced with the infusion tube 21, the infusion port 11 and the infusion tube 21 are locked through the threaded matching of the external thread 12 and the; the front end of the needle head 10 is provided with a protective sleeve 13 which can prevent the needle head 10 from being polluted or scratched; the outer edge of the infusion port 11 is provided with a fixing buckle 14, an elastic clamping jaw can be opened by pressing a handle of the fixing buckle 14, and the clamping jaw can clamp the neck of an infusion bottle to ensure that the needle head assembly is firmly fixed on the infusion bottle. After the completion of once dispensing, the needle assembly is left at the infusion bottle, the dispensing filter body 20 is separated from the detachable needle assembly by rotating the dispensing filter body 20 or the infusion bottle, and when the medicine is required to be added again or the infusion is required, the medicine is directly added or the infusion is completed by connecting the infusion tube 21 and the internal thread 23 of the connecting tube 22.

Similarly, when the micro liquid medicine filter body 30 and the disc-type liquid medicine filter body 40 are connected to the detachable needle assembly, the filter body can be also used for setting the infusion port 11 and the external thread 12, the detachable needle assembly infusion tube 21 and the connecting tube 22, and the internal thread 23 is arranged inside the connecting tube 22. The principle is the same as in examples 2 and 3.

Example 5: as shown in FIG. 8, the present embodiment includes a dosage filter body 20 and a removable needle assembly. The inside filter paper 24 that is equipped with of filter body 20 dispenses, both ends are equipped with infusion mouth 11 from top to bottom, and infusion mouth 11 communicates each other through filter body 20 is inside, and infusion mouth 11 is along the outer edge of pipe wall being equipped with external screw thread 12.

Wherein 20 upper end detachable syringe needle subassemblies of filter body that dispenses are equipped with syringe needle 10 and transfer line 21, and the transfer line 21 outer lane is equipped with connecting pipe 22, and connecting pipe 22 is along being equipped with internal thread 23 in the pipe wall, and internal thread 23 on external screw thread 12 and the connecting pipe 22 can mutually support, and after infusion mouth 11 and transfer line 21 pegged graft, the screw-thread fit through external screw thread 12 and internal thread 23 realizes the locking of infusion mouth 11 and transfer line 21. 20 lower extreme detachable syringe needle subassemblies of medicine dispensing filter body are equipped with elbow syringe needle 17 and transfer line 21, and the transfer line 21 outer lane is equipped with connecting pipe 22, and connecting pipe 22 is along being equipped with internal thread 23 in the pipe wall, and internal thread 23 on external screw thread 12 and the connecting pipe 22 can mutually support, and after infusion mouth 11 and transfer line 21 pegged graft, the screw-thread fit through external screw thread 12 and internal thread 23 realizes infusion mouth 11 and transfer line 21's locking.

The utility model discloses dispensing, when adding medicine or infusion once more, the syringe needle subassembly only needs to carry out the operation of once puncturing to the infusion bottle, effectively reduces the tradition and dispenses, puncture many times when infusing, pollution risk when having reduced the puncture has reduced the infusion bottle and has produced small rubber granule in puncture process simultaneously, improves the infusion security.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims

1. The utility model provides a medical treatment filter that dispenses, its is equipped with filter body, the inside filter paper that has installed of filter body, the filter paper both sides communicate the liquid outlet respectively, characterized by still is equipped with the syringe needle, the straight form of syringe needle head or towards one side bending form, the syringe needle with the liquid outlet intercommunication, the syringe needle with the connection can be dismantled to the liquid outlet, the connection is threaded connection.

2. The medication dispensing filter of claim 1, wherein the spike has a spike male thread, and wherein the filter body has a filter female thread, the spike male thread and the filter female thread cooperating with each other.

3. The medical dispensing filter of claim 1, wherein the spike has an internal spike thread and the filter body has an external thread, the internal spike thread and the external filter thread cooperating with each other.

4. A medical dispensing filter according to any of claims 1-3, wherein the needle is further provided with a fixed catch, the fixed catch being provided with a bayonet, the bayonet being openable and resilient by itself.

5. The medication dispensing filter of claim 4, wherein the retaining clip is integral with the needle.

6. The medication dispensing filter of claim 4, wherein the retaining clip is removably attached to the needle.

7. The medication dispensing filter of claim 4, wherein the needle head is a double-bore needle, wherein one bore is provided with an air inlet with a sealing valve.

8. The medical dispensing filter of claim 1, wherein the needle is externally provided with a protective sheath, the protective sheath can be compressed and deformed when the needle is punctured, and the protective sheath can recover to a normal state to cover the periphery of the needle when the needle is taken out.

9. The medication dispensing filter of claim 8, wherein said protective sleeve is integral with said needle.

10. The medication dispensing filter of claim 8, wherein the protective sleeve is removably attached to the needle.