CN215822157U - Scalp needle for injecting radioactive medicine - Google Patents

Abstract

The utility model discloses a scalp needle for injecting radioactive drugs, which is characterized by comprising: the needle head, the needle handle, the sleeve, the first conduit, the three-way valve, the second conduit, the third conduit, the liquid injection port and the plug cover; the three-way valve comprises a first round pipe, a second round pipe, a valve and a knob; the utility model can be used when injecting radioactive medicine to a patient, the syringe filled with normal saline is connected through a scalp needle to open a vein, after the success of puncture is confirmed, the three-way valve is adjusted, the syringe is connected through another catheter to inject the radioactive medicine, and then another channel is modulated to flush and reduce the residual amount of the radioactive medicine in the syringe, the times of replacing the syringe are reduced, the aseptic operation principle is strictly followed, the operation speed is high, the work efficiency is improved, the operation time is reduced, and meanwhile, the needle head protective sleeve moves upwards, thereby achieving the purposes of convenient operation, no pollution of the operation table top by the residual liquid medicine of the needle head and avoiding the needle stick injury of an operator.

Description

Scalp needle for injecting radioactive medicine

Technical Field

The utility model belongs to the field of medical equipment, and particularly relates to a scalp needle for injecting a radiopharmaceutical.

Background

The radioactive drug is a special drug containing radioactive nuclide for medical diagnosis and treatment, and is a compound or biological agent containing radioactive nuclide label for medical diagnosis or treatment in a body; the injection of the radiopharmaceutical is an operation before the SPECT-CT and PET-CT imaging, and the injection of the radiopharmaceutical is quick and accurate in order to reduce the contact time between an operator and the external irradiation of the radiopharmaceutical; the normal saline is used for opening a vein channel, then the injector is replaced for radioactive drug injection, the operation speed is low, the radioactive drug leakage and pollution can be caused in the replacement process, the replacement of the injector is very inconvenient, the pollution of the injector joint can be easily caused, the infection of an injector is caused, and the aseptic operation principle is not met; therefore, the scalp needle for injecting the radioactive medicines can be used when a patient is injected with the radioactive medicines, one scalp needle is connected with an injector filled with normal saline to open a vein, after the successful puncture is confirmed, a three-way valve is adjusted, the other scalp needle is connected through another catheter to inject the radioactive medicines, and another channel is modulated to flush and reduce the residual quantity of the radioactive medicines in the injector, so that the times of replacing the injector are reduced, the aseptic operation principle is strictly followed, the operation speed is high, the work efficiency is improved, the operation time is reduced, meanwhile, a needle head protective sleeve moves upwards, the scalp needle can be operated conveniently, the residual liquid medicine of the needle head does not pollute an operation table top and avoids needle stick injuries of an operator.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scalp needle for injecting radiopharmaceuticals, which can be used when a patient is injected with radiopharmaceuticals, one scalp needle is connected with an injector filled with normal saline to open a vein, after the success of puncture is confirmed, a three-way valve is adjusted, the other scalp needle is connected with another catheter to inject radiopharmaceuticals, and then another channel is modulated to flush and reduce the residual amount of the radiopharmaceuticals in the injector, the times of replacing the injector are reduced, the aseptic operation principle is strictly followed, the operation speed is high, the working efficiency is improved, the operation time is reduced, meanwhile, a needle head protective sleeve moves upwards, the operation is convenient, the residual liquid medicine of the needle head does not pollute an operation table surface and the needle stick injury of an operator can be avoided;

in order to achieve the technical purpose, the utility model adopts the technical scheme that the scalp needle for injecting the radioactive medicines comprises: the needle head, the needle handle, the sleeve, the first conduit, the three-way valve, the second conduit, the third conduit, the liquid injection port and the plug cover; the three-way valve comprises a first round pipe, a second round pipe, a valve and a knob;

the tail part of the needle head is connected with the front end of the needle handle, the needle head and the needle handle extend into the sleeve, the side wing of the needle handle extends out from the side wing of the sleeve, the rear end of the needle handle is connected with one end of a first conduit, the other end of the first conduit is connected with a liquid outlet of a three-way valve, a liquid inlet of a first round pipe of the three-way valve is connected with one end of a second conduit, a liquid inlet of a second round pipe of the three-way valve is connected with one end of a third conduit, the other ends of the second conduit and the third conduit are respectively connected with a liquid injection port, and a plug cover is arranged on the liquid inlet of each liquid injection port;

furthermore, the sleeve is a transparent round tube, and a track is arranged on the lateral wing of the sleeve;

furthermore, the second pipe is connected to the first pipe flank of three-way valve, and intraductal the switching on, the junction of first pipe and second pipe articulates there is the valve, is equipped with the knob on the valve.

Furthermore, the first conduit, the second conduit and the third conduit are all made of transparent materials, and the length of the second conduit is greater than that of the first conduit;

the utility model has the beneficial effects that:

the scalp needle for injecting the radioactive medicines can be used when the radioactive medicines are injected to a patient, the gap of injecting physiological saline into the patient is changed from one scalp needle to another catheter for injecting the radioactive medicines, the operation process is fast, the pressure required for successful venipuncture of an operator is reduced, and the medical efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of a scalp needle for the injection of radiopharmaceuticals;

fig. 2 is a view of the cannula of a scalp needle for the injection of a radiopharmaceutical;

FIG. 3 is a view of the structure of the injection port of a scalp needle for the injection of radiopharmaceuticals;

in the drawings, the components represented by the respective reference numerals are listed below:

1-needle head, 2-needle handle, 3-sleeve, 4-first conduit, 5-three-way valve, 501-first round tube, 502-second round tube, 503-valve, 504-knob, 6-second conduit, 7-third conduit, 8-liquid injection port, 9-plug cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 3, a scalp needle structure for injecting a radiopharmaceutical includes: the device comprises a needle head 1, a needle handle 2, a sleeve 3, a first conduit 4, a three-way valve 5, a second conduit 6, a third conduit 7, a liquid injection port 8 and a plug cover 9; the three-way valve 5 comprises a first round pipe 501, a second round pipe 502, a valve 503 and a knob 504;

the tail part of the needle head 1 is connected with the front end of a needle handle 2, the needle head 1 and the needle handle 2 extend into a sleeve 3, the side wing of the needle handle 2 extends out from the side wing of the sleeve 3, the rear end of the needle handle 2 is connected with one end of a first conduit 4, the other end of the first conduit 4 is connected with a liquid outlet of a three-way valve 5, a liquid inlet of a first round pipe 501 of the three-way valve 5 is connected with one end of a second conduit 6, a liquid inlet of a second round pipe 502 of the three-way valve is connected with one end of a third conduit 7, the other ends of the second conduit 6 and the third conduit 7 are respectively connected with a liquid injection port 8, and a plug cover 9 is arranged on the liquid inlet of each liquid injection port 8; the liquid injection port 8 is used for connecting an injector, and the plug cover 9 can block the liquid injection port 8 when not in use, so that the inner pipeline of the scalp needle is protected from being polluted by other liquid or bacteria;

the sleeve 3 is a transparent circular tube, a track is arranged on the side wing of the sleeve 3, the side wing of the needle handle 2 extends out of the side wing of the sleeve 3, the sleeve 3 can be pushed and pulled forwards and backwards, the sleeve 3 pushes the protective needle forwards, and the needle is exposed after being pulled backwards;

the side wing of the first circular tube 501 of the three-way valve 5 is connected with the second circular tube 502, the tubes are communicated, a valve 503 is arranged at the joint of the first circular tube 501 and the second circular tube 502, a knob 504 is arranged at the upper end of the valve 503, the valve 503 ensures that liquid medicine flowing through the first conduit 4 and the second conduit 6 or the third conduit 7 which are communicated can pass through, liquid medicine in the conduit which is not communicated cannot flow back into the second conduit 6 or the third conduit 7, and the knob 504 is used for adjusting the communication resistance between the conduits.

The first catheter 4, the second catheter 6 and the third catheter 7 are made of transparent materials, so that an operator can conveniently observe the trend of the liquid medicine, the length of the second catheter 6 is larger than that of the first catheter 7, the long catheter is used for injecting normal saline, and the short catheter is used for injecting radioactive medicines;

the operation principle and the specific use method are as follows:

firstly, the sleeve 3 can be pushed and pulled back and forth, the sleeve 3 is pushed out forwards to protect the needle 1, the needle 1 is prevented from being polluted, an operator or other personnel is protected from being pricked by the needle 1 due to carelessness, and the needle 1 is exposed after being pulled back; then, turning the knob 504 on the three-way valve 5 can control the communication resistance of the first conduit 4 with the second conduit 6 or the third conduit 7. Finally, the knob 504 is screwed to communicate the first catheter 4 with the second catheter 6 when the saline is injected, and the knob 504 is screwed to communicate the first catheter 4 with the third catheter 7 when the radiopharmaceutical is injected;

to sum up, this scalp acupuncture that injection radiopharmaceutical used can use when injecting the radiopharmaceutical for the patient, connect the syringe that is equipped with normal saline through a scalp acupuncture and open the vein, after confirming that the puncture is successful, adjust the three-way valve, connect through another pipe, inject the radiopharmaceutical, another passageway is remodeled again, wash, reduce the residual volume of radiopharmaceutical in the syringe, reduce the number of times of changing the syringe, strictly abide by aseptic operation principle, the operating speed is fast, the work efficiency is improved, the operating time is reduced, the syringe needle protective sheath shifts up simultaneously, can play convenient operation, the residual liquid medicine of syringe needle does not pollute operation mesa and avoids operator's acupuncture wound.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (4)

1. A scalp needle for injecting a radiopharmaceutical comprising: the needle head, the needle handle, the sleeve, the first conduit, the three-way valve, the second conduit, the third conduit, the liquid injection port and the plug cover; the three-way valve comprises a first round pipe, a second round pipe, a valve and a knob;

the rear end of the needle head is connected with the front end of the needle handle, the needle head and the needle handle extend into the sleeve, the needle handle flank extends out from the sleeve flank, the rear end of the needle handle is connected with one end of a first conduit, the other end of the first conduit is connected with the liquid outlet of a three-way valve, the liquid inlet of a first round pipe of the three-way valve is connected with one end of a second conduit, the liquid inlet of a second round pipe of the three-way valve is connected with one end of a third conduit, the other ends of the second conduit and the third conduit are respectively connected with a liquid injection port, and each liquid injection port is provided with a plug cover.

2. The scalp needle for injecting radiopharmaceuticals of claim 1, wherein the cannula is a transparent circular tube with a track on the side of the cannula.

3. The scalp needle according to claim 1, wherein the side of the first tube of the three-way valve is connected to the second tube, the tube is connected, the joint of the first tube and the second tube is hinged to a valve, and a knob is provided at the upper end of the valve.

4. The scalp needle according to claim 1, wherein the first, second and third tubes are made of transparent material, and the second tube has a length greater than the first tube.

Images