CN210145216U - Syringe for viscous liquid medicine - Google Patents

Syringe for viscous liquid medicine Download PDF

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Publication number
CN210145216U
CN210145216U CN201821028414.5U CN201821028414U CN210145216U CN 210145216 U CN210145216 U CN 210145216U CN 201821028414 U CN201821028414 U CN 201821028414U CN 210145216 U CN210145216 U CN 210145216U
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CN
China
Prior art keywords
steel needle
hole
needle
piston rod
syringe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821028414.5U
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Chinese (zh)
Inventor
岳利霞
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Chinese PLA General Hospital
Original Assignee
Chinese PLA General Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chinese PLA General Hospital filed Critical Chinese PLA General Hospital
Priority to CN201821028414.5U priority Critical patent/CN210145216U/en
Application granted granted Critical
Publication of CN210145216U publication Critical patent/CN210145216U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A syringe for viscous liquids comprising: a cylinder, a piston component and a steel needle; the second end of the cylinder is provided with an air inlet hole and a round hole, and the inner peripheral wall of the round hole is provided with an internal thread; a steel needle base is formed outside the side wall of the first end of the cylinder body, and a silica gel tube needle is formed at the first end of the steel needle base; a steel needle combination hole is formed in the steel needle base; the steel needle combination hole is communicated with the silica gel tube needle; a connecting through hole is formed close to the inner side of the first end of the cylinder body and communicates the inside of the cylinder body with the steel needle combination hole; the piston head is rotatablely combined at the first end of the piston rod by taking the piston rod as a shaft, and a wheel-shaped handle is fixedly formed at the second end of the piston rod; an external thread is formed on the rod body of the piston rod; the piston rod extends to the outside from the round hole at the second end of the cylinder; the steel needle is inserted into the steel needle combination hole and the silica gel tube needle; the first end of the steel needle forms a tip and extends to the outside of the silicone tube needle; the second end of the steel needle extends to the outside of the second end of the steel needle combination hole.

Description

Syringe for viscous liquid medicine
Technical Field
The utility model relates to a syringe especially relates to a syringe that is used for gluing thick liquid medicine.
Background
When a viscous liquid medicine is injected, it is difficult to push the liquid medicine out of the syringe because the liquid medicine is viscous. For example, fulvestrant, a drug for the treatment of breast cancer, is very viscous due to the castor oil content and requires great effort by the nurse in the bolus injection process. When the hand slips due to too much force, the needle is particularly easy to move, and unnecessary puncture is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a syringe for viscous medicine, which can be smoothly pushed out from the syringe barrel without unnecessary needle stick injuries.
The utility model discloses a syringe for gluing thick liquid medicine, it includes: a cylinder, a piston component and a steel needle;
the second end of the cylinder is provided with an air inlet hole and a round hole, and the inner peripheral wall of the round hole is provided with an internal thread; a steel needle base is formed outside the side wall of the first end of the cylinder body, and a silica gel tube needle is formed at the first end of the steel needle base; a steel needle combination hole is formed in the steel needle base; the steel needle combination hole is communicated with the silica gel tube needle; a connecting through hole is formed close to the inner side of the first end of the cylinder body and communicates the inside of the cylinder body with the steel needle combination hole;
the piston member comprises a piston head and a piston rod; the piston head is rotatablely combined at the first end of the piston rod by taking the piston rod as a shaft, and a wheel-shaped handle is fixedly formed at the second end of the piston rod; an external thread is formed on the rod body of the piston rod; a piston head is accommodated in the cylinder, a piston rod extends to the outside from a round hole at the second end of the cylinder, and the external thread of the piston rod is meshed with the internal thread of the round hole;
the steel needle is inserted into the steel needle combination hole and the silica gel tube needle; the first end of the steel needle forms a tip and extends to the outside of the silicone tube needle; the second end of the steel needle extends to the outside of the second end of the steel needle combination hole.
Preferably, the silicone trocar is formed with a plurality of side holes at a first end thereof.
Preferably, the cylinder is further formed at the first end thereof with an ultrasonic vibration generator to apply ultrasonic vibration to the medical liquid in the cylinder.
Preferably, an internal thread is formed on the inner wall of the steel needle combination hole;
external threads are formed on the periphery of the part of the steel needle which does not extend out of the silica gel tube needle;
the external thread of the steel needle is meshed with the internal thread of the steel needle combination hole to form sealing.
Preferably, the steel needle is formed with a boss at a second end thereof to facilitate the operation.
Preferably, a bump is formed in the middle of the steel needle;
the first end of the steel needle combination hole forms a front limit stop block, and the second end forms a rear limit stop block.
Preferably, the diameter of the wheel-shaped handle is larger than the outer diameter of the barrel.
Preferably, the piston rod is formed at a first end thereof with a circular disc-shaped boss, and the piston head is formed at a second side thereof with a circular truncated cone-shaped coupling hole in which the circular disc-shaped boss is rotatably coupled.
The syringe for viscous liquid medicine of the utility model pushes the piston head to move forward through rotation, so that the operation of nurses is more labor-saving; the ultrasonic vibration head loads ultrasonic waves into the liquid medicine, so that the liquid medicine can flow and permeate in a small channel; when the liquid medicine is pushed in, only the silicone tube needle is remained in the body of a patient, and unnecessary puncture cannot be caused even if the tube needle moves in the operation process.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the syringe for viscous liquid medicine of the present invention;
FIG. 2 is a schematic structural view of a barrel of the syringe for viscous liquids of FIG. 1;
FIG. 3 is a schematic view of a piston member of the syringe for viscous liquid medicine of FIG. 1;
FIG. 4 is a schematic structural view of a steel needle of the syringe for viscous liquid medicine of FIG. 1;
FIG. 5 is a schematic view showing a state in which the syringe for viscous liquid medicine of FIG. 1 is pushed out of the liquid medicine;
fig. 6 is a schematic structural view of a syringe for viscous liquid medicine according to a second embodiment of the present invention.
Detailed Description
The syringe of the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a syringe for gluing thick liquid medicine, it includes: barrel 10, piston member 20, steel needle 30.
The cylinder 10 is formed at a second end thereof with an air inlet hole (not shown) and a circular hole 13, and an internal thread is formed on an inner circumferential wall of the circular hole 13; the cartridge may form a reinforcing ledge 12 around the circular aperture 13 to reinforce the robustness of the aperture 13.
A steel needle base 15 is formed outside the side wall of the first end of the cylinder body 10, and a silica gel tube needle 17 is formed at the first end of the steel needle base 15; a steel needle combination hole 19 is formed in the steel needle base; the steel needle combination hole 19 is communicated with the silica gel tube needle 17; a coupling through-hole 16 is formed adjacent to the inner side of the first end of the cylinder 10, and the coupling through-hole 16 communicates the inside of the cylinder 10 with the needle coupling hole 19.
The piston member 20 includes a piston head 21 and a piston rod 24; the piston head 21 is rotatably combined at a first end of the piston rod 24 by taking the piston rod 24 as an axis, and a wheel-shaped handle 25 is fixedly formed at a second end of the piston rod 24; an external thread is formed on the rod body of the piston rod 24; the piston head is accommodated in the cylinder 10, the piston rod 24 extends to the outside from the round hole 13 at the second end of the cylinder, and the external thread of the piston rod 24 is meshed with the internal thread of the round hole 13; the piston rod 24 may be formed at a first end thereof with a circular disc shaped boss 23, and the piston head 21 may be formed at a second side thereof with a circular cone shaped coupling hole 22, the circular disc shaped boss 23 being rotatably coupled in the circular cone shaped coupling hole 22.
The steel needle 30 is inserted into the steel needle combination hole 19 and the silica gel tube needle 17; the first end of the steel needle 30 forms a tip 31 and extends to the outside of the silicone tube needle 17; the second end of the steel pin 30 extends outside the second end of the steel pin coupling hole 19.
The silicone trocar 17 is formed with a plurality of side holes 18 at its first end to increase the number of outlets.
The cylinder 10 is further formed with an ultrasonic vibration generator 14 at a first end thereof to apply ultrasonic vibration to the liquid medicine in the cylinder, and the ultrasonic wave is propagated in the liquid medicine, which is beneficial to increase of fluidity of the liquid medicine in a relatively narrow flow passage, and facilitates the liquid medicine to rapidly enter the body of a patient.
An internal thread is formed on the inner wall of the steel needle combination hole 19; the steel needle 30 is provided with external threads on the periphery of the part which does not extend out of the silica gel tube needle 17; the external thread of the steel needle is meshed with the internal thread of the steel needle combination hole to form sealing.
The steel needle 30 is formed at a second end thereof with a boss 33 for convenient manipulation.
In the second embodiment, a bump is formed in the middle of the steel needle; the first end of the steel needle combination hole forms a front limit stop block, and the second end forms a rear limit stop block.
The wheel-shaped handle 25 has a diameter larger than the outer diameter of the barrel 10. Thus, the operation of the user is more labor-saving.
When puncture is carried out, the steel needle is kept in the silica gel tube needle, and the silica gel tube needle and the steel needle are inserted into the body of a patient together; then the steel needle is retracted, so that the connecting through hole is communicated with the silica gel tube needle, at the moment, the piston rod 24 is screwed in the round hole 13 by rotating the wheel-shaped handle, the piston head is pushed to advance, viscous liquid medicine is extruded from the connecting through hole, and the liquid medicine enters the body of a patient through the silica gel tube needle. In order to increase the fluidity of the viscous liquid, an ultrasonic vibration generator may also be used.
The utility model discloses a syringe for gluing thick liquid medicine is laborsaving, safe when the thick liquid medicine of injection, and the ground makes things convenient for nurse's injection operation.

Claims (8)

1. A syringe for viscous liquids, comprising: a cylinder, a piston component and a steel needle;
the second end of the cylinder is provided with an air inlet hole and a round hole, and the inner peripheral wall of the round hole is provided with an internal thread; a steel needle base is formed outside the side wall of the first end of the cylinder body, and a silica gel tube needle is formed at the first end of the steel needle base; a steel needle combination hole is formed in the steel needle base; the steel needle combination hole is communicated with the silica gel tube needle; a connecting through hole is formed close to the inner side of the first end of the cylinder body and communicates the inside of the cylinder body with the steel needle combination hole;
the piston member comprises a piston head and a piston rod; the piston head is rotatablely combined at the first end of the piston rod by taking the piston rod as a shaft, and a wheel-shaped handle is fixedly formed at the second end of the piston rod; an external thread is formed on the rod body of the piston rod; a piston head is accommodated in the cylinder, a piston rod extends to the outside from a round hole at the second end of the cylinder, and the external thread of the piston rod is meshed with the internal thread of the round hole;
the steel needle is inserted into the steel needle combination hole and the silica gel tube needle; the first end of the steel needle forms a tip and extends to the outside of the silicone tube needle; the second end of the steel needle extends to the outside of the second end of the steel needle combination hole.
2. The syringe for viscous liquids according to claim 1, characterized in that:
the silica gel tube needle is formed with a plurality of side openings at its first end.
3. The syringe for viscous liquids according to claim 1, characterized in that:
the cylinder body is further provided with an ultrasonic vibration generator at the first end thereof so as to load ultrasonic vibration on the liquid medicine in the cylinder body.
4. The syringe for viscous liquids according to claim 1, characterized in that:
an internal thread is formed on the inner wall of the steel needle combination hole;
external threads are formed on the periphery of the part of the steel needle which does not extend out of the silica gel tube needle;
the external thread of the steel needle is meshed with the internal thread of the steel needle combination hole to form sealing.
5. The syringe for viscous liquid medicine according to claim 1 or 4, characterized in that:
the steel needle is formed with a boss at its second end for convenient operation.
6. The syringe for viscous liquids according to claim 1, characterized in that:
a convex block is formed in the middle of the steel needle;
the first end of the steel needle combination hole forms a front limit stop block, and the second end forms a rear limit stop block.
7. The syringe for viscous liquids according to claim 1, characterized in that:
the diameter of the wheel-shaped handle is larger than the outer diameter of the cylinder body.
8. The syringe for viscous liquids according to claim 1, characterized in that:
the piston rod is formed with a disc-shaped boss at a first end thereof, the piston head is formed with a circular truncated cone-shaped coupling hole at a second side thereof, and the disc-shaped boss is rotatably coupled in the circular truncated cone-shaped coupling hole.
CN201821028414.5U 2018-07-02 2018-07-02 Syringe for viscous liquid medicine Expired - Fee Related CN210145216U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821028414.5U CN210145216U (en) 2018-07-02 2018-07-02 Syringe for viscous liquid medicine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821028414.5U CN210145216U (en) 2018-07-02 2018-07-02 Syringe for viscous liquid medicine

Publications (1)

Publication Number Publication Date
CN210145216U true CN210145216U (en) 2020-03-17

Family

ID=69753593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821028414.5U Expired - Fee Related CN210145216U (en) 2018-07-02 2018-07-02 Syringe for viscous liquid medicine

Country Status (1)

Country Link
CN (1) CN210145216U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108721730A (en) * 2018-07-02 2018-11-02 中国人民解放军总医院 Syringe for sticky liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108721730A (en) * 2018-07-02 2018-11-02 中国人民解放军总医院 Syringe for sticky liquid

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200317