Needleless drug-injecting system and method thereof

• US 9,457,151 B2
• Filed: 01/09/2014
• Issued: 10/04/2016
• Est. Priority Date: 08/16/2013
• Status: Active Grant

• Current Assignee: Gold NanoTech Inc.
• Original Assignee: Gold NanoTech Inc.
• Inventors: Tan, Shan-Wen
• Primary Examiner(s): MEDWAY, SCOTT J
• Application Number:
  US14/150,920
• Publication Number:
  US 20150051574A1
• Time in Patent Office: 999 Days
• US Class Current: 1/1
• CPC Class Codes: A61M 2005/3128 Incorporating one-way valves, e.g. pressure-relief or non-return valves
• CPC Class Codes: A61M 2005/3142 Modular constructions, e.g. supplied in separate pieces to be assembled by end-user
• CPC Class Codes: A61M 5/2053 Media being expelled from injector by pressurised fluid or vacuum for infusion A61M5/145, A61M5/155
• CPC Class Codes: A61M 5/30 Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
• CPC Class Codes: A61M 5/3007 with specially designed jet passages at the injector's distal end

Abstract

The present invention relates to a needleless drug-injecting system and a drug-injecting method thereof, wherein the needleless drug-injecting system comprises a controlling device and a needleless drug-injecting device. By using the needleless drug-injecting system and the drug-injecting method, a user is able to individually set a variety of parameters comprising usage dose of liquid medicine, shot pressure of liquid medicine, air flow rate, single-shot quantity of liquid medicine, continuous shot frequency of liquid medicine, and a continuous shot spacing time according to different liquid medicine. Thus, after setting the parameters, the liquid medicine can be injected into the dermis layer of the face skin of a human when the user using this needleless drug-injecting system to inject any one liquid medicine to the human face, therefore the liquid medicine would be absorbed by the face skin without hurting the human face.

Claims

1. A needleless drug-injecting system, comprising:

a needleless drug-injecting device, comprising;

a liquid medicine delivering tube, being disposed in the first base and respectively formed with an air input end and a liquid medicine output end on the two ends thereof, wherein one side of the liquid medicine delivering tube is provided with an delivery member combining portion;

a liquid medicine delivery member, being disposed on the liquid medicine delivering tube and having an insertion hole and a pressure relieving hole;

a fixed connection base, being connected to the rear end of the first base and having a sleeve tube, wherein the front of the sleeve tube is connected to the air input end of the liquid medicine delivering tube;

a tube connecting member, being connected with the rear end of the sleeve tube of the fixed connection base;

an injection syringe, having a needle, a barrel and a plunger, wherein the needle of the injection syringe is inserted into the insertion hole of the liquid medicine delivery member;

a sliding cover set, being assembled with the first base for constituting a housing, wherein the liquid medicine delivering tube, the liquid medicine delivery member, and the fixed connection base are accommodated by the housing;

an adjustable nozzle, being assembled to a front opening of the housing, wherein a speed-adjusting distance is provided between the adjustable nozzle and the front opening of the housing, and the speed-adjusting distance can be changed by adjusting the distance between the adjustable nozzle and the front opening, so as to modify the speed of a liquid medicine be shot according to the molecular weight of the liquid medicine;

a second base, being assembled to the rear end of the first base, and an extension tube and an air delivery tube being connected to the bottom of the second base, wherein the extension tube is further coupled to the air input end of the liquid medicine delivering tube through the tube connecting member and the fixed connection base in the housing; and

a driving module, being disposed in the second base and having a plunger fixing member for fixing a pressing portion of the plunger, wherein the driving module is controlled by a controlling circuit module, so as to steppedly push the pressing portion and make the liquid medicine stored in the barrel of the injection syringe be quantitatively injected into the liquid medicine delivery member, and then the liquid medicine is delivered into the liquid medicine delivering tube from the liquid medicine delivery member; and

a controlling device, being electrically connected to the controlling circuit module of the needleless drug-injecting device through an electrical cable thereof, and comprising;

a box, being provided with an air pressure modulating module and a controlling and processing model in the internal thereof;

a first air inputting port, being disposed on one side of the box, and used for connecting an external air source, wherein a first air provided by the air source is inputted into the air pressure modulating module through the first air inputting port;

an air pressure adjusting valve, being used for modulating the air pressure of the first air;

a solenoid valve controlling output port, being disposed on the one side of the box and connected to the air pressure modulating module, used for outputting the first air having a specific air pressure;

an electrical connection port, being disposed on one side of the box and coupled to the controlling and processing module, moreover, the electrical connection port being also connected to the electrical cable; and

an operation interface, being disposed on the front side of the box, and providing a user to set a plurality of specific parameters, wherein the specific parameters comprises;

a usage dose of the liquid medicine, a shot pressure of the liquid medicine, an air flow rate, a single-shot quantity of the liquid medicine, a continuous shot frequency of the liquid medicine, and a continuous shot spacing time.

2. The needleless drug-injecting system of claim 1, wherein a fixing member combining portion is further disposed on the liquid medicine delivering tube.

3. The needleless drug-injecting system of claim 2, wherein the needleless drug-injecting further comprises:

a needle fixing member, having a first delivery tube combining portion combined with the fixing member combining portion on the liquid medicine delivering tube and a fixing portion, wherein a needle head of the needle of the injection syringe is inserted into the insertion hole of the liquid medicine delivery member, and the a barrel combining portion of the needle is fixed in the fixing portion of the needle fixing member.

4. The needleless drug-injecting system of claim 3, wherein the liquid medicine delivery member further comprises an inner tube and a second delivery tube combining portion, wherein the insertion hole, the inner tube and the second delivery tube combining portion are penetrated to each other, and the second delivery tube combining portion is connected with the delivery tube combining portion.

5. The needleless drug-injecting system of claim 1, wherein the fixed connection base further comprises a bottom plate and a first barrel fixing member, in which the first barrel fixing member is disposed on the top over sleeve tube for fixing the front end of the barrel of the injection syringe.

6. The needleless drug-injecting system of claim 5, wherein the driving module further comprises:

a framework, being disposed in the second base;

at least one screw rod, being disposed in the framework;

a sliding block, being disposed on the screw rod, and respectively provided with one groove on the two sides thereof, used for making the sliding block slide on the screw rod; and

a driving motor, being disposed on the end side of the framework, used for driving the screw rod to rotate according to the control of the controlling circuit module.

7. The needleless drug-injecting system of claim 6, further comprising:

an accommodating member, being deposed on the end side of the framework for accommodating the driving motor and the controlling circuit module; and

an injection syringe carrying board, being disposed on the second base for carrying the injection syringe, and covering the framework, the driving motor, the screw rod, and the sliding block;

moreover, the plunger fixing member is exposed out of the injection syringe carrying board, and the rear end of the barrel of the injection syringe is fixed on a second barrel fixing member disposed on the injection syringe carrying board.

8. The needleless drug-injecting system of claim 1, wherein the sliding cover set comprises a front sliding cover and a rear sliding cover, and the housing can be opened by sliding the front sliding cover and the rear sliding cover, so as to take out the liquid medicine delivering tube disposed in the first base from the housing.

9. The needleless drug-injecting system of claim 1, wherein the second base further comprises:

an extended combination member, being formed on the front end of the second base;

a manual shot-triggering member, being formed on front end of the bottom of the second base;

a first disposing portion, being disposed on the bottom of the second base and adjacent to the manual shot-triggering member;

a second disposing portion, being disposed on the bottom of the second base and adjacent to the first disposing portion; and

a third disposing portion, being disposed on the bottom of the second base and adjacent to the second disposing portion;

wherein a first tube fixing member, a fixing member and a second tube fixing member are disposed in the first disposing portion, the second disposing portion and the third disposing portion, respectively;

moreover, an extended tube being connected between the first tube fixing member and the fixing member, and extending into the housing via the first tube fixing member, so as to be further coupled with the air input end of the liquid medicine delivering tube through the tube connecting member and the fixed connection base;

wherein the air delivery tube is connected with the fixing member through the second tube fixing member, such that the first air can be delivered into the extended tube via the fixing member.

10. The needleless drug-injecting system of claim 1, wherein the controlling device further comprises:

a second air inputting port, being disposed on the bottom of the box, used for connecting with a portable gas cylinder, so as to facilitate a second air provided by the portable gas cylinder be inputted into the air pressure modulating module;

a heating module, being disposed on the bottom of the box and located between the air inputting interface and air pressure modulating module, used for heating the second air; and

an air pressure display module, being disposed on one side of the box and connected to the air pressure modulating module, used for display the air pressure of the first air and the second air modulated by the air pressure modulating module.

11. The needleless drug-injecting system of claim 10, wherein the top of the sliding cover set is provided with an aperture opposite to the pressure relieving hole of the liquid medicine delivery member;

moreover, by pressing the manual shot-triggering member, the residual first air or the residual second air in the extended tube would be exhausted out through the pressure relieving hole and the front opening of the housing.

12. The needleless drug-injecting system of claim 1, wherein the composition of the liquid medicine is selected from the group consisting of:

DNA, RNA, DNA enclosed by nano-gold, RNA enclosed by nano-gold, vaccination, collagen, and hyaluronic acid.

13. The needleless drug-injecting system of claim 1, wherein the molecular weight of the liquid medicine is less than 80 kDa, the shot pressure of the liquid medicine being ranged from 50 psi to 300 psi, the single-shot quantity of the liquid medicine being ranged from 1 μ

l to 100 μ

l.