CN203483719U - Multi-point needle-free injection ampoule device - Google Patents
Multi-point needle-free injection ampoule device Download PDFInfo
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- CN203483719U CN203483719U CN201320532744.9U CN201320532744U CN203483719U CN 203483719 U CN203483719 U CN 203483719U CN 201320532744 U CN201320532744 U CN 201320532744U CN 203483719 U CN203483719 U CN 203483719U
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- injection
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Abstract
The utility model discloses a multi-point needle-free injection ampoule device which comprises an ampoule casing, a piston, a piston driving rod and a split injection head, wherein the ampoule casing is used for containing liquid, the piston is arranged in the ampoule casing, the piston driving rod is connected with the piston and drives the piston to move laterally in the ampoule casing, the split injection head is arranged on the outer side of a liquid inlet and outlet of the ampoule casing, the liquid inlet and outlet is formed by n liquid discharge holes, one end of each of the liquid discharge holes is a conical inlet, the other end of each of the liquid discharge holes is a cylindrical outlet, n conical injection micro-holes are evenly formed in the split injection head and are in one-to-one correspondence to positions of n liquid discharge holes, and n is an integer and larger than or equal to 2. The multi-point needle-free injection ampoule device has the advantages of being small in size, simple in structure and suitable for multi-point subcutaneous or intracutaneous local areas of large-area wounds. Furthermore, by means of the split liquid fetching device, liquid fetching efficiency is increased, and injection performance of the multi-point needle-free injection ampoule device is not affected.
Description
Technical field
This utility model relates to a kind of injection ampoule device, especially a kind of multiple spot Needleless injection ampoule device.
Background technology
Local subcutaneous infiltration anesthesia is the common method of clinical operation anesthesia and Postoperative Analgesia After, as local operation anesthesia such as opening sexual trauma, anorectal section and department of obstetrics and gynecology, and department of general surgery and other surgical operation before sewing up the incision, infusion of medicine cutting edge is subcutaneous for Postoperative Analgesia After etc., for forming regional area anesthesia or analgesic effect, during anesthesia, conventionally use the local multiple subcutaneous injections medicine of ordinary syringe, anaesthetic scatters by a plurality of injection points, forms local regional anesthesia.The defect of this anesthesia injecting method is that the anesthesia amount of each injection point is controlled voluntarily by clinical experience by doctor and increased anesthesia required time, the inequality that medicine scatters and causes topical remedy to distribute from injection point simultaneously, in addition, preoperative multiple injection can increase patient's misery.The pain that when Needleless injection can effectively alleviate or eliminate injection, acupuncture causes, the injection head of the needleless injector adopting in the market and ampoule housing adopt integrated structure design, injection micro-pore diameter on injection head is very little, and be generally single hole, its effect is mainly the hydraulic energy of medicinal liquid to be converted into greatest extent to the kinetic energy of jet, but equally because injection micro-pore diameter is very little, make the efficiency of getting it filled of injection ampoule device not high, and medicine taking device structure is more complicated, use inconveniently, be not suitable for carrying out the subcutaneous or intradermal injection of regional area multiple spot; Simultaneously integrated structure design is very high for injection molding performance requirement, and the cooperation of dynamic model and cover half will be very accurately, thus easily cause the fraction defective of product and production cost higher.
Utility model content
This utility model object is: provide a kind of simple in structure, volume is little and can improve the multiple spot Needleless injection ampoule device that the efficiency of getting it filled does not affect injection property.
The technical solution of the utility model is: a kind of multiple spot Needleless injection ampoule device, comprise the ampoule housing for splendid attire medicinal liquid, be located at the piston of described ampoule enclosure interior and be connected and drive with described piston the piston actuated bar that described piston seesaws in ampoule enclosure interior, it is characterized in that, also comprise a split type injection head, described split type injection head is located at the medicinal liquid of described ampoule housing and is imported and exported outside, it is cone-shaped inlet by n one end that described medicinal liquid is imported and exported, the other end is that the liquid outlet of cylindrical outlet forms, in described split type injection head inside, be provided with equably n conical injection micropore, described n conical injection micropore is corresponding one by one with the position of n liquid outlet, and the bottom surface diameter of described cone-shaped inlet is greater than the diameter of described cylindrical outlet, the diameter of described cylindrical outlet is more than or equal to the bottom surface diameter of described conical injection micropore, n >=2, and n is integer, this utility model multiple spot Needleless injection ampoule device is when taking liquid, take off split type injection head, the medicinal liquid that medicine taking device is installed on to described ampoule housing is imported and exported outside, this medicine taking device one end is that cylindrical import, the other end are flaring exit, described medicine taking device punctures medicinal liquid packing can carry out the extraction of medicinal liquid, adopt this split type injection head, when efficiency is got it filled in raising, do not affect the injection property of its multiple spot Needleless injection, in described split type injection head inside, be provided with equably n conical injection micropore, not only can reduce the pain that injection brings, reduce inject time, can also make medicinal liquid be uniformly distributed in larger area regional area simultaneously simultaneously.
Preferably, described split type injection head inner side is provided with a seal washer, described seal washer is positioned at the junction of described medicinal liquid import and export and described split type injection head, is provided with n simultaneously for being communicated with the intercommunicating pore of described liquid outlet and described conical injection micropore in described seal washer inside; Due to when injecting, more than medicinal liquid pressure can reach 15MPa, under huge medicinal liquid pressure, medicinal liquid easily spills from the junction of medicinal liquid import and export and split type injection head, by increasing sealing packing ring, the sealing that can effectively improve this utility model multiple spot Needleless injection ampoule device, prevents the leakage of medicinal liquid.
Preferably, described split type injection head week side be provided with an aduncate ring-type bayonet socket, described medicinal liquid is imported and exported all sides and is provided with and matches with described ring-type bayonet socket and for clamping the ring-type clamp of split type injection head.
Preferably, the bottom surface diameter of each conical injection micropore is d, the length of each conical injection micropore is l, and d=0.1～0.5mm, draw ratio l/d=2～4, show by experiment, and medicinal liquid pressure is more than 15MPa, the bottom surface diameter of conical injection micropore is between 0.1～0.5mm, and the skin that can penetrate people completes injection.
Preferably, the distance of center circle of each adjacent conical injection micropore is 2～3mm.
More preferably, described d=0.15mm.
The utility model has the advantages that:
1. this utility model volume is little, simple in structure, can adapt to the subcutaneous of larger area wound or Intradermal regional area, and by split type injection head, both can improve the efficiency of getting it filled, and does not affect again its injection property;
2. this utility model multiple spot Needleless injection ampoule device is when injecting, not only can reduce the pain that injection brings, reduce inject time, can make medicine be uniformly distributed in regional area, can be widely used in subcutaneous and intradermal administration, regional area anesthesia and the postoperative wound Regional Analgesia etc. of regional area simultaneously;
3. this utility model adopts split type injection head as independent member, has reduced producing the mould requirement of conical injection micropore, improves product yield, reduces production costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is this utility model multiple spot Needleless injection ampoule device cutaway view;
Fig. 2 is the partial enlarged drawing that the split type injection head of this utility model and medicinal liquid are imported and exported;
Using state cutaway view when Fig. 3 is this utility model taking liquid;
Wherein: 1 ampoule housing, 2 pistons, 3 piston actuated bars, 4 split type injection heads, the conical injection of 4-1 micropore, 5 medicinal liquids are imported and exported, 5-1 liquid outlet, 6 seal washers, 6-1 intercommunicating pore, 7 ring-type bayonet sockets, 8 ring-type clamps, 9 medicine taking devices.
The specific embodiment
Embodiment: shown in Fig. 1,2,3, a kind of multiple spot Needleless injection ampoule device, comprise the ampoule housing 1 for splendid attire medicinal liquid, be located at the piston 2 of ampoule housing 1 inside, the piston actuated bar 3 that is connected and drives piston 2 to seesaw in ampoule housing 1 inside with piston 2, and split type injection head 4; The medicinal liquid that this split type injection head 4 is located at ampoule housing 1 is imported and exported 5 outsides, it is that the liquid outlet 5-1 that cone-shaped inlet, the other end are cylindrical outlet forms by several one end that medicinal liquid imports and exports 5, in split type injection head 4 inside, be provided with equably several conical injection micropore 4-1, the number of several conical injection micropore 4-1 and several liquid outlets 5-1 is equal and position is corresponding one by one, and the bottom surface diameter of cone-shaped inlet is greater than the diameter of cylindrical outlet, the diameter of cylindrical outlet is more than or equal to the bottom surface diameter of conical injection micropore 4-1; Simultaneously 4 weeks sides of split type injection head are provided with an aduncate ring-type bayonet socket 7, and medicinal liquid is imported and exported 5 weeks sides and is provided with and matches with ring-type bayonet socket 7 and for clamping the ring-type clamp 8 of split type injection head 4; This utility model multiple spot Needleless injection ampoule device is when taking liquid, take off split type injection head 4, the medicinal liquid that medicine taking device 9 is installed on to ampoule housing 1 is imported and exported 5 outsides, these medicine taking device 9 one end are that cylindrical import, the other end are flaring exit, the bottom surface diameter of this flaring exit is greater than the diameter of cylindrical import, medicine taking device 9 punctures medicinal liquid packing can carry out the extraction of medicinal liquid, adopt split type injection head 4, when efficiency is got it filled in raising, do not affect the injection property of its multiple spot Needleless injection ampoule device; In split type injection head 4 inside, be provided with equably several conical injection micropore 4-1, not only can reduce the pain that injection brings, reduce inject time, can also make medicinal liquid be uniformly distributed in regional area simultaneously simultaneously.
Shown in Fig. 1,2, in the split type injection head of this utility model 4 inner sides, be provided with a seal washer 6, sealing packing ring 6 is positioned at the junction of medicinal liquid import and export 5 and split type injection head 4, is provided with n simultaneously for being communicated with liquid outlet 5-1 and the conical intercommunicating pore 6-1 that injects micropore 4-1 in seal washer 6 inside; Due to when injecting, more than medicinal liquid pressure can reach 15MPa, under huge medicinal liquid pressure, medicinal liquid easily spills from the junction of medicinal liquid import and export 5 and split type injection head 4, by increasing sealing packing ring 6, the sealing that can effectively improve this utility model multiple spot Needleless injection ampoule device, prevents the leakage of medicinal liquid.
Bottom surface diameter of each conical injection micropore 4-1 of this utility model is d, and length of each conical injection micropore 4-1 is l, and d gets 0.15mm, and draw ratio l/d is 3, and distance of center circle of each adjacent conical injection micropore 4-1 is 2.5mm; Show by experiment, medicinal liquid pressure is more than 15MPa, and the bottom surface diameter of conical injection micropore 4-1 is when 0.15mm, and the skin that can penetrate people completes injection.
Certainly above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications of doing according to the spirit of this utility model main technical schemes, within all should being encompassed in protection domain of the present utility model.
Claims (6)
1. a multiple spot Needleless injection ampoule device, comprise the ampoule housing (1) for splendid attire medicinal liquid, be located at the inner piston (2) of described ampoule housing (1) and the piston actuated bar (3) that is connected and drives described piston (2) to seesaw in ampoule housing (1) inside with described piston (2), it is characterized in that, also comprise a split type injection head (4), described split type injection head (4) is located at the medicinal liquid of described ampoule housing (1) and is imported and exported (5) outside, it is cone-shaped inlet by n one end that described medicinal liquid is imported and exported (5), the other end is that the liquid outlet (5-1) of cylindrical outlet forms, in described split type injection head (4) inside, be provided with equably n conical injection micropore (4-1), described n conical injection micropore (4-1) is corresponding one by one with the position of n liquid outlet (5-1), and the bottom surface diameter of described cone-shaped inlet is greater than the diameter of described cylindrical outlet, the diameter of described cylindrical outlet is more than or equal to the bottom surface diameter of described conical injection micropore, n >=2, and n is integer.
2. multiple spot Needleless injection ampoule device according to claim 1, it is characterized in that, described split type injection head (4) inner side is provided with a seal washer (6), described seal washer (6) is positioned at the junction that described medicinal liquid is imported and exported (5) and described split type injection head (4), is provided with n simultaneously for being communicated with the intercommunicating pore (6-1) of described liquid outlet (5-1) and described conical injection micropore (4-1) in described seal washer (6) inside.
3. multiple spot Needleless injection ampoule device according to claim 1, it is characterized in that, the all sides of described split type injection head (4) are provided with an aduncate ring-type bayonet socket (7), and described medicinal liquid is imported and exported (5) all sides and is provided with and matches with described ring-type bayonet socket (7) and for clamping the ring-type clamp (8) of split type injection head (4).
4. multiple spot Needleless injection ampoule device according to claim 1, it is characterized in that, the bottom surface diameter of each conical injection micropore (4-1) is d, and the length of each conical injection micropore (4-1) is l, and d=0.1～0.5mm, draw ratio l/d=2～4.
5. multiple spot Needleless injection ampoule device according to claim 1, is characterized in that, the distance of center circle of each adjacent conical injection micropore (4-1) is 2～3mm.
6. multiple spot Needleless injection ampoule device according to claim 4, is characterized in that described d=0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532744.9U CN203483719U (en) | 2013-08-29 | 2013-08-29 | Multi-point needle-free injection ampoule device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532744.9U CN203483719U (en) | 2013-08-29 | 2013-08-29 | Multi-point needle-free injection ampoule device |
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| Publication Number | Publication Date |
|---|---|
| CN203483719U true CN203483719U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532744.9U Expired - Fee Related CN203483719U (en) | 2013-08-29 | 2013-08-29 | Multi-point needle-free injection ampoule device |
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| CN (1) | CN203483719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463708A (en) * | 2013-08-29 | 2013-12-25 | 苏州大学 | Multi-point needle-free injection ampoule device |
| CN105413024A (en) * | 2016-01-07 | 2016-03-23 | 深圳市赫拉铂氢时代科技有限公司 | Nanometer/micrometer hydrogen water needle-free injector and injection method thereof |
| CN113318301A (en) * | 2021-06-28 | 2021-08-31 | 北京科技大学 | Large-dose porous needleless injector |
-
2013
- 2013-08-29 CN CN201320532744.9U patent/CN203483719U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463708A (en) * | 2013-08-29 | 2013-12-25 | 苏州大学 | Multi-point needle-free injection ampoule device |
| CN105413024A (en) * | 2016-01-07 | 2016-03-23 | 深圳市赫拉铂氢时代科技有限公司 | Nanometer/micrometer hydrogen water needle-free injector and injection method thereof |
| CN113318301A (en) * | 2021-06-28 | 2021-08-31 | 北京科技大学 | Large-dose porous needleless injector |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20160829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |