CN217245959U - Anti-pollution structure of micro pump syringe and micro pump - Google Patents

Anti-pollution structure of micro pump syringe and micro pump Download PDF

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Publication number
CN217245959U
CN217245959U CN202220781579.XU CN202220781579U CN217245959U CN 217245959 U CN217245959 U CN 217245959U CN 202220781579 U CN202220781579 U CN 202220781579U CN 217245959 U CN217245959 U CN 217245959U
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China
Prior art keywords
guard shield
syringe
micro pump
shield
filter
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Expired - Fee Related
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CN202220781579.XU
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Chinese (zh)
Inventor
张梦影
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6th Medical Center of PLA General Hospital
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6th Medical Center of PLA General Hospital
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Priority to CN202220781579.XU priority Critical patent/CN217245959U/en
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Publication of CN217245959U publication Critical patent/CN217245959U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides an anti-pollution structure and micropump of micropump syringe relates to medical instrument technical field to solve current syringe nook closing member and be polluted can lead to the problem of cross infection in the institute. The micro pump comprises a micro pump body and an injector, a first mounting part and a second mounting part which are matched with the injector are arranged on the micro pump body, and the anti-pollution structure is sleeved on the periphery of the injector; the anti-pollution structure comprises a first protective cover and a second protective cover, the first protective cover is arranged on the periphery of an injection tube of the injector in a sleeved mode, the second protective cover is arranged on the periphery of a push rod of the injector in a sleeved mode, the first protective cover is communicated with the second protective cover, at least the position matched with the first installation part on the first protective cover and the position matched with the second installation part on the second protective cover are made of flexible materials, a through hole allowing the extension tube to pass through can be formed in the body of the first protective cover, and the push rod of the injector can drive the second protective cover to slide relative to the first protective cover when pushed.

Description

Anti-pollution structure of micro pump syringe and micro pump
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an anti-pollution structure and micropump of micropump syringe.
Background
The micro-injection pump (micro pump for short) is a new type of pump force instrument, and can accurately, micro-uniformly and continuously output a small quantity of fluid. Consists of a controller, an actuating mechanism and an injector.
The micro-injection pump accurately, micro, uniformly and continuously pumps a small amount of liquid medicine into the body, is convenient to operate, timed and quantitative, can adjust the concentration and the speed of the medicine at any time according to the needs of the state of an illness, enables the medicine to keep effective blood concentration in the body, utilizes the micro-injection pump to rescue critical patients, can reduce the workload of nurses, improves the working efficiency, and accurately, safely and effectively cooperates with doctors to rescue.
Because the use time is long, and the instrument must be put beside the patient bed when in use, because the medical conditions of China are limited, a large number of patients exist, and the bed in a ward is crowded. The micro-injection pump exposed outside on the currently used workbench has the following problems: the air has a large amount of bacteria and dust, and the needle core of the syringe on the micro-syringe pump exposed outside is exposed in the air, so that the syringe is unsafe and easy to cross-infect in a hospital.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-pollution structure and micropump of micropump syringe to solve current technical problem that can lead to the emergence of cross infection in the institute because the syringe nook closing member is polluted. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an anti-pollution structure of a micro pump injector, the micro pump comprises a micro pump body and an injector arranged on the micro pump body, a first installation part and a second installation part which are matched with the injector are arranged on the micro pump body, and the anti-pollution structure is sleeved on the periphery of the injector;
anti-pollution structure includes first guard shield and second guard shield, first guard shield sets up the periphery of the injection tube of syringe, the second guard shield cover is established the push rod of syringe is peripheral, first guard shield with the second guard shield is linked together and both can take place relative slip, on the first guard shield at least with first installation department complex position department and on the second guard shield at least with second installation department complex position department adopts flexible material to make, can be formed with the perforation that allows the extension tube to pass through on the first guard shield body, can drive during the push rod of syringe the second guard shield is relative first guard shield removes.
As a further improvement of the utility model, the one end of the push rod of the injector stretches into the interior of the injection tube, the other end of the push rod is provided with a handle pushing part, and the second protective cover can be fixed on the handle pushing part.
As a further improvement of the present invention, the inside of the second shield is provided with a micro suction cup, which can be adsorbed on the handle pushing portion.
As a further improvement, the flexible material is silica gel.
As a further improvement of the utility model, the end part of the first protective cover far away from the handle part is provided with the perforation, and the perforation is provided with a glue seal; the first guard shield includes outer guard shield and inlayer guard shield, outer guard shield set up in the periphery of inlayer guard shield, keep away from on the inlayer guard shield the tip of pushing away the stalk portion with keep away from on the outer guard shield the tip fixed connection of pushing away the stalk portion, outer guard shield with be formed with between the inlayer guard shield and allow the displacement space that the second guard shield passed.
A micro pump comprises a micro pump body, a syringe arranged on the micro pump body and an anti-pollution structure of the syringe of the micro pump.
As a further improvement, the extension pipe comprises an extension pipe body, a filter disc is connected on the extension pipe body in series, and a filter structure is arranged in the filter disc.
As the utility model discloses a further improvement, the filter disc includes dish main part, input portion and output portion, the dish main part the input portion and the output portion is a whole injection moulding, the filter chamber has in the dish main part, the internal diameter of filter chamber is greater than the internal diameter of extension pipe body just install in the filter chamber filtration.
As a further improvement, the inner wall of the filter chamber is provided with a joint part, the filter structure can pass through the joint part is fixed in the filter chamber.
As a further improvement of the utility model, the filtering structure is a filtering net.
The utility model provides an anti-pollution structure of a micro-pump syringe, which is sleeved on the periphery of the syringe; the injection tube protection device comprises a first protection cover and a second protection cover, wherein the first protection cover is arranged on the periphery of an injection tube of an injector in a sleeved mode, the second protection cover is arranged on the periphery of a push rod of the injector in a sleeved mode, the first protection cover and the second protection cover are communicated and can slide relative to each other, the first protection cover is at least arranged at the position matched with a first installation part on the first protection cover and at the position matched with a second installation part on the second protection cover and made of flexible materials, shaping installation is facilitated, a through hole allowing an extension tube to pass through can be formed in a body of the first protection cover, and the push rod of the injector can drive the second protection cover to move relative to the first protection cover when pushed. The problem that when the original micro-injection pump is exposed outside and used, the empty needle core of the injector is completely exposed in the air, so that the needle core of the injector is easily polluted is solved; prolongs the service life of the injection pump, and simultaneously reduces the chance of infection of the patient and the possible harm to the patient. The method has the advantages of strong practicability, low cost, great significance in application of clinical monitoring and easy wide clinical popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a micro pump according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of the anti-contamination structure and the syringe according to the embodiment of the present invention.
Reference numerals are as follows: 1. a micro pump body; 2. an injector; 21. an injection tube; 22. a push rod; 23. a handle pushing part; 24. a nipple tunnel; 3. an anti-contamination structure; 31. a first shield; 311. an outer shield; 312. an inner shield; 32. a second shield; 4. a first mounting portion; 5. a second mounting portion; 6. an extension pipe body; 8. a filter tray; 81. a disc main body; 82. an input section; 83. an output section; 9. and (4) a filtering structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Referring to fig. 1 to 3, the utility model provides an anti-pollution structure of a micro pump injector, the micro pump comprises a micro pump body 1 and an injector arranged on the micro pump body 1, the micro pump body 1 is provided with a first installation part 4 and a second installation part 5 which are matched with the injector, and the anti-pollution structure 3 is sleeved on the periphery of the injector 2; the problem that when the original micro-injection pump is exposed outside and used, the empty needle core of the injector is completely exposed in the air, so that the needle core of the injector is easily polluted is solved; prolongs the service life of the injection pump, and simultaneously reduces the chance of infection of the patient and the possible harm to the patient.
Specifically, the anti-contamination structure 3 in this embodiment includes a first shield 31 and a second shield 32, the first shield 31 is disposed on the periphery of the syringe 21 of the syringe 2, the second shield 32 is disposed on the periphery of the plunger 22 of the syringe 2, the first shield 31 and the second shield 32 are communicated and can slide relative to each other, the first shield 31 is made of a flexible material at least at a position matching with the first mounting portion 4 and at least at a position matching with the second mounting portion 5 on the second shield 32, a through hole allowing the extension tube to pass through can be formed on the body of the first shield 31, one end of the plunger 22 of the syringe 2 in this embodiment extends into the syringe 21, the other end of the plunger 22 is provided with a handle portion 23, and the second shield 32 can be fixed on the handle portion 23. The push rod 22 of the injector 2 can slide the second shield 32 relative to the first shield 31 when pushed forward. The first shield 31 and the second shield 32 in this embodiment are designed to be of a push-pull type, and the second shield 32 can slide relative to the first shield 31 along the axial direction of the syringe under the driving of the push rod 22.
The second shield 32 has a micro-suction cup disposed on the inside thereof, and the micro-suction cup is attached to the stem portion 23. The first protective cover 31 and/or the second protective cover 32 are/is provided with a plurality of vent holes, the diameter of the vent holes is 1-3mm, and the total number of the vent holes is 5-10; the normal exhaust can be ensured and the excessive pollution can be avoided entering from the exhaust hole.
In addition, the first protective cover 31 can be made of flexible silica gel at least at the position matched with the first mounting part 4 and the second protective cover 32 at least at the position matched with the second mounting part 5, so that the plastic forming is easy, and the mounting on the first mounting part 4 and the second mounting part 5 is not influenced. The first mounting portion 4 and the second mounting portion 5 in the prior art are generally bayonet mounts, which are detachably connected to the syringe 2 by snap-fitting.
The first shield 31 has a through hole at the end thereof remote from the handle portion 23, and a sealing adhesive is disposed at the through hole to expose the through hole when the sealing adhesive is torn off, so as to allow the extension pipe to pass through. Further, the first shield 31 and the second shield 32 in this embodiment are made of transparent plastic material. When the plunger 22 in this embodiment is located at the limit position, the second shield 32 does not disengage from the first shield 31.
In this embodiment, the first shield 31 includes an outer shield 311 and an inner shield 312, the outer shield 311 is disposed at the periphery of the inner shield 312, an end of the inner shield 312 far from the handle portion 23 is fixedly connected to an end of the outer shield 311 far from the handle portion 23, a displacement space allowing the second shield 32 to pass through is formed between the outer shield 311 and the inner shield 312, and the second shield 32 can move into the space between the outer shield 311 and the inner shield 312. The first shield 31 is a double-layer shield, which can better protect the syringe.
The utility model also provides a micropump, including micropump body, setting up syringe and preceding on the micropump body the anti-pollution structure of micropump syringe. Wherein, the extension pipe includes extension pipe body 6, and the one end of extension pipe body 6 is provided with the interface cover with the nipple pipe 24 matched with of syringe 2, has concatenated filter disc 8 on the extension pipe body 6, is provided with filtration 9 in the filter disc 8.
The filter disc 8 comprises a disc main body 81, an input part 82 and an output part 83, the disc main body 81, the input part 82 and the output part 83 are integrally formed by injection molding, a filter cavity is arranged in the disc main body 81, and the inner diameter of the filter cavity is larger than that of the extension pipe body 6 and the filter cavity is internally provided with the filter structure 9. Be provided with joint portion on the inner wall of filter chamber, filtration 9 can pass through joint portion to be fixed in the filter chamber. The filter structure 9 is a filter screen. And impurities in the liquid in the extension pipe body 6 are left in the filter disc 8 by the filter net.
The filter screen in this embodiment is lamellar for filter impurity, and the filter screen includes: a central portion, an edge portion, and an inclined portion. The central portion corresponds to the position directly below the input portion 82; the edge part is positioned at the periphery of the central part; the edge part is connected with the clamping part; the inclined part connects the central part and the edge part; wherein, the edge part is lower than the central part, and the inclined part is inclined, so that impurities are left at the periphery of the filter screen. The interface sleeve is connected with the nipple 24 in a plugging manner. The utility model provides a micro-injection pump, its practicality is strong, and is with low costs, and it has very big meaning to use clinical monitoring, easily extensively promotes clinically.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An anti-pollution structure of a micro pump syringe is characterized in that a micro pump comprises a micro pump body and a syringe arranged on the micro pump body, wherein a first installation part and a second installation part matched with the syringe are arranged on the micro pump body, and the anti-pollution structure is sleeved on the periphery of the syringe;
the anti-pollution structure includes first guard shield and second guard shield, first guard shield sets up the periphery of the injection tube of syringe, the second guard shield cover is established the push rod of syringe is peripheral, first guard shield with the second guard shield is linked together and both can take place relative slip, on the first guard shield at least with first installation department complex position department and on the second guard shield at least with second installation department complex position department adopts flexible material to make, can be formed with the perforation that allows the extension tube to pass through on the first guard shield body, can drive when the push rod of syringe impels the second guard shield is relative first guard shield removes.
2. The anti-contamination structure of a syringe of a micro-pump according to claim 1, wherein one end of a push rod of the syringe is inserted into the syringe barrel, and the other end of the push rod is provided with a handle part on which the second shield can be fixed.
3. The contamination prevention structure of a micro pump syringe according to claim 2, wherein a micro suction cup is provided inside the second shield, and the micro suction cup is adsorbable on the handle portion.
4. The anti-contamination structure of the micro-pump syringe according to claim 1, wherein the flexible material is silica gel.
5. The anti-contamination structure of the micro pump syringe according to claim 2, wherein the end of the first shield remote from the handle portion is provided with the through hole, and the through hole is provided with an adhesive seal;
the first guard shield comprises an outer guard shield and an inner guard shield, the outer guard shield is arranged on the periphery of the inner guard shield, the end portion of the handle pushing portion, far away from the inner guard shield, is fixedly connected with the end portion of the handle pushing portion, far away from the outer guard shield, and a displacement space allowing the second guard shield to penetrate is formed between the outer guard shield and the inner guard shield.
6. A micro pump, characterized by comprising a micro pump body, a syringe provided on the micro pump body, and an anti-contamination structure of the micro pump syringe according to any one of claims 1 to 5.
7. The micropump of claim 6, wherein the extension tube comprises an extension tube body, a filter disc is connected in series on the extension tube body, and a filter structure is arranged in the filter disc.
8. The micropump of claim 7, wherein the filter disk comprises a disk body, an input portion, and an output portion, the disk body, the input portion, and the output portion are integrally injection molded, the disk body has a filter cavity therein, the inner diameter of the filter cavity is greater than the inner diameter of the extension pipe body, and the filter structure is mounted in the filter cavity.
9. The micropump of claim 8, wherein a clamping portion is disposed on an inner wall of the filter cavity, and the filter structure can be fixed in the filter cavity through the clamping portion.
10. Micropump according to any of claims 7-9, wherein the filter structure is a filter screen.
CN202220781579.XU 2022-04-06 2022-04-06 Anti-pollution structure of micro pump syringe and micro pump Expired - Fee Related CN217245959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220781579.XU CN217245959U (en) 2022-04-06 2022-04-06 Anti-pollution structure of micro pump syringe and micro pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220781579.XU CN217245959U (en) 2022-04-06 2022-04-06 Anti-pollution structure of micro pump syringe and micro pump

Publications (1)

Publication Number Publication Date
CN217245959U true CN217245959U (en) 2022-08-23

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ID=82873400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220781579.XU Expired - Fee Related CN217245959U (en) 2022-04-06 2022-04-06 Anti-pollution structure of micro pump syringe and micro pump

Country Status (1)

Country Link
CN (1) CN217245959U (en)

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

Granted publication date: 20220823

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