CN208426496U - A kind of in-situ gel injection device - Google Patents
A kind of in-situ gel injection device Download PDFInfo
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- CN208426496U CN208426496U CN201820065127.5U CN201820065127U CN208426496U CN 208426496 U CN208426496 U CN 208426496U CN 201820065127 U CN201820065127 U CN 201820065127U CN 208426496 U CN208426496 U CN 208426496U
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- syringe
- syringe needle
- protective
- push rod
- injection device
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Abstract
The utility model relates to medical instruments field, specifically a kind of in-situ gel injection device.Including syringe and syringe needle; push rod is provided in the syringe, the push rod lower end is provided with rubber stopper, and the syringe bottom is socketed the syringe needle; protective case is cased with outside the syringe; the protection set upper side is fixed with spacing block set, and annular groove is arranged in the push rod top, and the protective case lower end inner wall is provided with internal screw thread; it is connected through a screw thread syringe needle protective; hollow out at syringe needle protective axle center, and it is vertically arranged micro-heat pipe around axle center, syringe needle protective upper end is provided with telescopic block.The utility model guarantees syringe inner gel temperature, carries out protection and micro- heating to syringe needle, reduces tingling sensation when injection, guarantees that situ-gel will not condense in injection process, be convenient for self-injection, do not generate suck-back phenomenon after having injected, it is ensured that injection safety.
Description
Technical field
The utility model relates to medical instruments field, specifically a kind of in-situ gel injection device.
Background technique
Syringe is a kind of common medical apparatus, by the foraminate syringe of front end band and matching piston core pin
Composition.Syringe be used to by a small amount of liquid or its be injected into region that other methods can not approach or taken out from those places
Out.Perhaps gas is sucked when core bar is pushed into from syringe front end aperture by liquid or gas liquid when core bar is extracted
It squeezes out.It is called injection with this process that syringe and syringe needle extracted or injected gas or liquid.
Uniform, latex glop that is being suspended or semisolid gelling agent can be made in drug and gel rubber material.Gelling agent
It is long in the medicine-feeding part residence time with good histocompatbility；Storage drug can be played simultaneously, prevents drug by environment shadow
The effects of ringing.According to the difference of Forming Mechanism, situ-gel can be divided into responsive to temperature type, pH responsive type and ion-sensitive
Type etc..In-situ gel is widely used in the novel medicine feedings such as slow-release controlled-release and pulse release system as a kind of novel pharmaceutical dosage form
System, situ-gel can be applied to the administration of the number of ways such as skin, eye, nasal cavity, oral cavity, vagina, rectum.
Currently, the injection for situ-gel uses conventional syringe, injection effect is bad, due to the variation meeting of temperature
Lead to the variation of situ-gel state, so that drug effect is influenced, it is generally slower than injecting fluid drug when injecting situ-gel,
Exactly it may be because temperature change because situ-gel is in injection process and be sticked together, and general syringe is certainly
Also be inconvenient to operate when row injection, a kind of facilitates injection and the good situ-gel of injection effect is infused therefore, it is necessary to research and develop
Emitter.
Utility model content
The utility model in order to overcome the above technical problems, provides a kind of in-situ gel injection device.
To achieve the above object, the utility model uses following technical scheme:
A kind of in-situ gel injection device, including syringe and syringe needle, it is characterised in that: push rod, institute are provided in the syringe
Push rod top is stated through the syringe top and is extended to outside the syringe, the push rod lower end is provided with rubber stopper, the rubber
Rubber plug outer diameter is identical as the syringe inner diameter size, and the syringe bottom opening is simultaneously socketed the syringe needle, is cased with outside the syringe
Protective case, the protection set upper side are fixed with several spacing block sets, and the spacing block set and perpendicular are in 45 ° of angles, described
The top of spacing block set is spherical, and the circular diameter that the spherical centre of sphere is formed is less than or equal to the push rod outer diameter, described
Under push rod top corresponds to the spherical setting annular groove, and the rod diameter of annular groove upper end connection is greater than
The push rod of connection is held, the protective case lower end inner wall is provided with internal screw thread, is connected through a screw thread movable sleeve, the movable sleeve
It is slidably connected with syringe needle protective, the syringe needle protective can be moved up and down along the movable sleeve inner wall, the syringe needle protection
Hollow out at body axle center, and it is vertically arranged micro-heat pipe around axle center, the micro-heat pipe heating temperature is arranged at 35 DEG C -45
DEG C, syringe needle protective upper end is provided with telescopic block, adjusts institute by the way that the spiral button outside the syringe needle protective is arranged in
Telescopic block height is stated, to adjust the length that the syringe needle stretches out, syringe needle protective bottom is spherical in shape or conical.
Preferably, the syringe outer surface is provided with graduation mark, the protective case corresponds to the graduation mark position setting
Visual windows, the visual windows extreme lower position are lower than syringe needle junction height, can be convenient the observation in injection in this way
Injection volume and remaining gel content.
It is made, guarantees in situ solidifying preferably, being all made of thermal insulation material inside the protective case and the syringe needle protective
Glue will not condense in the syringe because of temperature.
Preferably, the protective case outer upper ends are hinged with foldable push plate, the push plate is opened, can be infused as tradition
Emitter equally uses.
Preferably, the syringe needle protective is powered using battery, and it is provided in the syringe needle protective lower sides
Button cell mounting slot.
Preferably, the syringe needle protective tip location is provided with rubber fender, it is not in not when being contacted with skin
Suitable sense.
Preferably, dosing channel is arranged in push rod axle center hollow out, the push rod upper surface is on the dosing channel
Be hinged with cock body, situ-gel that is non-condensing or having condensed can be added in the syringe in a manner of pouring into, prevent with
The mode of tradition suction cannot suck the situ-gel of partial coagulation.
Beneficial effect is: a kind of in-situ gel injection device of the utility model, guarantees syringe inner gel temperature, is conducive to maintain
Drug effect, and protection and micro- heating are carried out to syringe needle, syringe needle is not exposed, can both have been heated to syringe needle close to when body temperature reduction injection
Tingling sensation, ensure that situ-gel in injection process will not because of temperature change and condense influence injection, whole design
It is more convenient for self-injection, while setting convex block on the protective sleeve, groove is set on push rod, guarantee does not generate suck-back and shows after inject
As, it is ensured that injection safety.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is a kind of in-situ gel injection device cross-sectional view of the utility model；
Fig. 2 is a kind of in-situ gel injection device main view of the utility model.
Appended drawing reference
Wherein 1 is syringe, and 2 be syringe needle, and 3 be push rod, and 4 be rubber stopper, and 5 be dosing channel, and 6 be cock body, and 7 be protective case, 8
For spacing block set, 9 be spherical, and 10 be annular groove, and 11 be syringe needle protective, and 12 be telescopic block, and 13 be micro-heat pipe, 14
It is rubber fender for button cell, 15,16 be movable sleeve, and 17 be spiral button, and 18 be graduation mark, and 19 be visual windows, and 20 be to push away
Plate.
Specific embodiment
The utility model is further described below with reference to embodiment.
As depicted in figs. 1 and 2, a kind of in-situ gel injection device, including syringe 1 and syringe needle 2 are provided in the syringe 1
Push rod 3,3 top of push rod is through 1 top of syringe and extends to outside the syringe 1, and 3 lower end of push rod is provided with rubber
Rubber plug 4,4 outer diameter of rubber stopper is identical as 1 inner diameter size of syringe, and 1 bottom opening of syringe is simultaneously socketed the syringe needle
2, be cased with protective case 7 outside the syringe, 7 upper end of protective case is fixed with several spacing block sets 8, the spacing block set 8 with it is perpendicular
Straight plane is in 45 ° of angles, and the top of the spacing block set 8 is spherical 9, and the circular diameter that 9 centre of sphere of spherical is formed is less than
Or it is equal to 3 outer diameter of push rod, 3 top of push rod corresponds to the spherical 9 and annular groove 10, and the annular groove is arranged
3 diameter of the push rod of 10 upper ends connection is greater than the push rod 3 of lower end connection, and 7 lower end inner wall of protective case is provided with interior
Screw thread is connected through a screw thread movable sleeve 16, and the movable sleeve 16 is slidably connected with syringe needle protective 11, the syringe needle protective 11
It can move up and down along 16 inner wall of movable sleeve, hollow out at 11 axle center of syringe needle protective, and be vertically arranged around axle center
Micro-heat pipe 13,13 heating temperature of micro-heat pipe are arranged at 30 DEG C -45 DEG C, and the syringe needle protective 11 uses battery
Power supply, and 11 lower sides of syringe needle protective are provided with 14 mounting groove of button cell, the protective case 7 and the syringe needle
Thermal insulation material is all made of inside protective 11 to be made, and guarantees that situ-gel will not be because of temperature in the syringe 1 and the syringe needle 2
And condense, 11 upper end of syringe needle protective is provided with telescopic block 12, by being arranged outside the syringe needle protective 11
Spiral button 17 adjust 12 height of the telescopic block, to adjust the length that the syringe needle 2 stretches out, 11 bottom of syringe needle protective
Portion is spherical in shape or conical, and 11 tip location of syringe needle protective is provided with rubber fender 15, will not go out when contacting with skin
Existing sense of discomfort.
In self-injection in use, the syringe needle 2 to be first socketed in the bottom of the syringe 1, and pass through the push rod 3
Liquid situ-gel is aspirated in effect in stock bottle, and the axle center hollow part of the syringe needle protective 11 is directed at the syringe needle 2, will
The movable sleeve 16 is tightened with the protective case 7 by screw thread, adjusts the syringe needle protective according to the position to be injected
The spiral button 17 on 11, and then control the depth that the syringe needle 2 is inserted into, then protective case 7 is stated in a holding residence, with big
Entire injection process is realized in push rod 3 described in thumb press, and situ-gel is in non-condensing liquid always in injection process, note
The annular groove 10 after the completion of penetrating on the push rod 3 agrees with 8 phase of the spacing block set on the protective case 7, described
3 position of push rod does not change, and does not generate suck-back phenomenon.
As a preferred embodiment, 1 outer surface of syringe is provided with graduation mark 18, the protective case 7 is corresponding
Visual windows 19 are arranged in 18 position of graduation mark, and 19 extreme lower position of visual windows is lower than the 2 junction height of syringe needle,
It can be convenient observation injection volume and remaining gel content in injection in this way.Further, 7 outer upper ends of protective case are hinged with
The push plate 20 is opened in foldable push plate 20, other people can be facilitated to use as conventional syringe.
As a preferred embodiment, dosing channel, 3 upper surface of push rod is arranged in the 3 axle center hollow out of push rod
It is hinged with cock body 6 on the dosing channel, can be added to situ-gel that is non-condensing or having condensed in a manner of pouring into
In the syringe 1, the situ-gel that cannot suck partial coagulation in a manner of tradition suction is prevented.
Through the foregoing embodiment, it can be deduced that: a kind of in-situ gel injection device of the utility model guarantees syringe inner gel temperature
Degree is conducive to maintain drug effect, and carries out protection and micro- heating to syringe needle, and syringe needle is not exposed, can both be heated to syringe needle close to body
Temperature reduces tingling sensation when injection, ensure that situ-gel in injection process will not because of temperature change and condense influence note
It penetrates, whole design is more convenient for self-injection, while setting convex block on the protective sleeve, groove is arranged on push rod, after guarantee has been injected
Suck-back phenomenon is not generated, it is ensured that injection safety.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned each
The utility model is described in detail in embodiment, those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified, or is equally replaced to some or all of the technical features
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Range, should all cover in the claim of the utility model and the range of specification.
Claims (7)
1. a kind of in-situ gel injection device, including syringe and syringe needle, it is characterised in that: push rod is provided in the syringe, it is described
Push rod top is through the syringe top and extends to outside the syringe, and the push rod lower end is provided with rubber stopper, the rubber
Diameter is identical as the syringe inner diameter size beyond the Great Wall, and the syringe bottom opening is simultaneously socketed the syringe needle, and guarantor is cased with outside the syringe
Sheath, the protection set upper side are fixed with several spacing block sets, and the spacing block set and perpendicular are in 45 ° of angles, the limit
The top of position convex block is spherical, and the circular diameter that the spherical centre of sphere is formed is less than or equal to the push rod outer diameter, described to push away
Bar top corresponds to the spherical setting annular groove, and the rod diameter of annular groove upper end connection is greater than lower end
The push rod of connection, the protective case lower end inner wall is provided with internal screw thread, is connected through a screw thread movable sleeve, the movable sleeve with
Syringe needle protective is slidably connected, and the syringe needle protective can be moved up and down along the movable sleeve inner wall, the syringe needle protective
Hollow out at axle center, and it is vertically arranged micro-heat pipe around axle center, the micro-heat pipe heating temperature is arranged at 35 DEG C -45
DEG C, syringe needle protective upper end is provided with telescopic block, adjusts institute by the way that the spiral button outside the syringe needle protective is arranged in
Telescopic block height is stated, to adjust the length that the syringe needle stretches out, syringe needle protective bottom is spherical in shape or conical.
2. a kind of in-situ gel injection device according to claim 1, it is characterised in that: the syringe outer surface is provided with quarter
Line is spent, the protective case corresponds to the graduation mark position setting visual windows, and the visual windows extreme lower position is lower than the needle
Head junction height.
3. a kind of in-situ gel injection device according to claim 1, it is characterised in that: the protective case and the syringe needle are protected
Thermal insulation material is all made of inside watch box to be made.
4. a kind of in-situ gel injection device according to claim 1, it is characterised in that: the protective case outer upper ends are hinged
There is foldable push plate.
5. a kind of in-situ gel injection device according to claim 1, it is characterised in that: the syringe needle protective uses battery
Power supply, and the syringe needle protective lower sides are provided with button cell mounting slot.
6. a kind of in-situ gel injection device according to claim 1, it is characterised in that: the syringe needle protective tip location
It is provided with rubber fender.
7. a kind of in-situ gel injection device according to claim 1, it is characterised in that: hollow out setting in the push rod axle center adds
Medicine channel, the push rod upper surface are hinged with cock body on the dosing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065127.5U CN208426496U (en) | 2018-01-16 | 2018-01-16 | A kind of in-situ gel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065127.5U CN208426496U (en) | 2018-01-16 | 2018-01-16 | A kind of in-situ gel injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208426496U true CN208426496U (en) | 2019-01-25 |
Family
ID=65104606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820065127.5U Active CN208426496U (en) | 2018-01-16 | 2018-01-16 | A kind of in-situ gel injection device |
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| Country | Link |
|---|---|
| CN (1) | CN208426496U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110897754A (en) * | 2019-12-13 | 2020-03-24 | 中国水产科学研究院黑龙江水产研究所 | Rainbow trout attacks poisonous syringe for experiment |
| CN111991650A (en) * | 2020-09-17 | 2020-11-27 | 青岛大学附属医院 | In-situ gel injector |
| CN114225202A (en) * | 2021-12-22 | 2022-03-25 | 绍兴上虞力姿生物科技有限公司 | Female gel syringe for resisting cervical cancer |
-
2018
- 2018-01-16 CN CN201820065127.5U patent/CN208426496U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110897754A (en) * | 2019-12-13 | 2020-03-24 | 中国水产科学研究院黑龙江水产研究所 | Rainbow trout attacks poisonous syringe for experiment |
| CN111991650A (en) * | 2020-09-17 | 2020-11-27 | 青岛大学附属医院 | In-situ gel injector |
| CN114225202A (en) * | 2021-12-22 | 2022-03-25 | 绍兴上虞力姿生物科技有限公司 | Female gel syringe for resisting cervical cancer |
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| GR01 | Patent grant |