CN110812227B - Non-hanging infusion set based on clinical care in medical science - Google Patents
Non-hanging infusion set based on clinical care in medical science Download PDFInfo
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- CN110812227B CN110812227B CN201911245539.2A CN201911245539A CN110812227B CN 110812227 B CN110812227 B CN 110812227B CN 201911245539 A CN201911245539 A CN 201911245539A CN 110812227 B CN110812227 B CN 110812227B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2068—Venting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
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- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a non-hanging infusion device based on clinical care in medicine, relates to the technical field of medical equipment structures, and solves the problem that the traditional injector can pollute the environment by synchronously discharging liquid medicine when sucking the liquid medicine and exhausting the air outwards; the body is an injector tube cavity, and a first hand pressing plate which is of an integral structure with the body is arranged at the outer end of the injection column; the hand-pulling seat is of an elliptical plate structure and is arranged on the outer end head of the tubular body; the tension springs are arranged at two positions, and the outer end heads of the two tension springs are provided with drag hook structures; the two tension springs are selectively used according to the non-human injection of the injector, if the two tension springs are applied to the injector to suck the medicine from one liquid medicine bottle and inject the medicine into the other liquid medicine bottle for mixing the medicine, the tension springs can be used for enabling the injection column after being pressed to be automatically pulled back upwards under the functional characteristic of the tension springs which are manually connected after the two tension springs are applied to inject the mixed medicine into the other liquid medicine bottle.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a non-hanging type infusion device based on clinical care in medicine.
Background
Infusion is also called as infusion or hanging water. Is a large dose (more than 100ml per time) of injection which is infused into the body by intravenous drip, is usually packaged in a glass or plastic infusion bottle or bag and does not contain preservative or bacteriostatic agent. When the infusion set is used, the dropping speed is adjusted through the infusion set, the infusion set continuously and stably enters the vein to supplement body fluid, electrolyte or provide nutrient substances, the device applied to the infusion occasion is of a suspension type, a part of injectors are of non-suspension type, the common injector is a handheld injection infusion device, and the design is directed at the design description of the handheld infusion injector.
We find that after a medical care personnel inserts a needle of a syringe into a liquid medicine bottle to upwards extract liquid medicine, in order to improve injection quality and prevent air from being mixed in the liquid medicine injected into a human body, the medical care personnel often need to push the rear side of the syringe before injection to extrude the air at the position of the needle, in the process, a part of the liquid medicine is downwards sprayed from a needle hole, and the sprayed liquid medicine can influence the surrounding environment.
Disclosure of Invention
The invention aims to provide a non-hanging infusion device based on clinical care in medicine, and aims to solve the problems that after medical staff inserts a needle of a syringe into a liquid medicine bottle to draw liquid medicine upwards, in order to improve injection quality and prevent air from being mixed in the liquid medicine injected into a human body, the back side of the syringe is often pushed before injection to extrude the air at the needle part, and in the process, a part of liquid medicine is more or less sprayed downwards from a needle hole, and the sprayed liquid medicine can influence the surrounding environment.
In order to achieve the purpose, the invention provides the following technical scheme: a non-hanging infusion device based on clinical care in medicine comprises a body, a hand-pull seat and a connecting rod; the body is an injector tube cavity, a piston type injection column is inserted in the inner cavity of the body in a sliding mode, and a first hand pressing plate which is of an integral structure with the injection column is arranged at the outer end of the injection column; the hand-pulling seat is of an elliptical plate structure and is arranged on the outer end head of the tubular body; the two tension springs are connected to the inner end piston head of the injection column in a screw connection mode, and the outer end heads of the two tension springs are provided with drag hook structures; the connecting rod is in a cylindrical rod structure, a sliding seat which is in an integral structure with the connecting rod is arranged at the outer end of the connecting rod, and a connecting seat is welded at the outer end of the sliding seat in a supporting mode.
Further: the bottom surface of body has welded the deflector, and both sides all are equipped with the conducting bar of a rectangle strip structure around this deflector.
Further: a first T-shaped sliding groove is formed in an inner cavity of the sliding seat, and the sliding seat is in sliding fit with the guide plate through the first T-shaped sliding groove formed in the inner cavity.
Further: the right end head of the connecting rod is welded with a rubber seat, and the rubber seat is also in sliding fit with the guide plate through a second T-shaped sliding groove in the bottom cavity.
Further: two outer walls on the right side of the sliding seat are both welded with a metal ring, a pressing rod is further welded towards the right in the middle of the metal ring, and a second hand pressing plate is welded at the terminal of the pressing rod.
Further: an ear seat integrated with the first hand pressing plate is further arranged on one side of the periphery of the first hand pressing plate, a circular guide hole is formed in the ear seat, and the pressing rod moves in the circular guide hole formed in the ear seat in a sliding mode.
Further: the top surface of the hand-pulling seat is also provided with an arc-shaped groove, the pressure lever also passes through the arc-shaped groove, and the right end surface of the hand-pulling seat is welded with two connecting columns which correspond to the two tension springs welded with the plastic surface at the inner end of the piston head of the injection column at the inner and outer positions.
Further: the connecting seat is of a triangular sinking cavity structure, a foam seat is filled in the sinking cavity of the connecting seat, and a trapezoidal cavity gap is formed between the foam seat and the outer end of the inner cavity of the connecting seat.
Compared with the prior art, the invention has the beneficial effects that:
to the problems brought forward by the background art, the design is provided with two functional structures on the existing handheld injector, so that the practical application effect of the handheld injector is improved.
Function one: when the injector is used, the push-pull type receiving cabin can be moved to the bottom side of the needle head before injection, the injector horizontally pushes the injection column, and when gas in the inner cavity of the injector is discharged outwards, liquid medicine simultaneously pushed out from the needle mouth of the needle head can fall downwards into the receiving cabin to form receiving and taking.
And a second function: the injector is characterized in that two tension springs are arranged on an inner plastic plate of an original injection column of the injector, the two tension springs are selectively used according to the non-human injection of the injector, if the injector is applied to the injector to suck a medicine from one medicine liquid bottle and inject the medicine into the other medicine liquid bottle for mixing, the tension springs can be used for automatically pulling back the injection column which is pressed downwards by the functional characteristics of the tension springs which are artificially connected after the injector is applied to the other medicine liquid bottle to inject the mixed medicine liquid.
Drawings
FIG. 1 is a schematic top plan view of the present invention;
FIG. 2 is a schematic structural diagram of a front view plane of the present invention;
FIGS. 3 and 4 are schematic axial-view structural diagrams of two different rotational views according to the present invention;
FIG. 5 is an enlarged view of part A of the present invention;
FIG. 6 is a schematic view of the internal structure of the injection column of the present invention;
FIG. 7 is a schematic view of the structure of the sliding seat and the connecting seat of the present invention;
fig. 8 is a schematic view illustrating a corresponding relationship between the rotating viewing angles of the first hand pressing plate and the second hand pressing plate according to the present invention.
In the figure: 1. a body; 101. a guide plate; 2. an injection column; 3. a first hand press plate; 301. an ear mount; 4. a hand-pulling seat; 401. an arc-shaped slot; 402. connecting columns; 5. a slide base; 501. a metal ring; 502. a pressure lever; 503. a second hand press plate; 504. a first T-shaped chute; 7. a tension spring; 8. a connecting rod; 801. a rubber seat; 802. a second T-shaped chute; 9. connecting a base; 901. a cotton soaking seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a non-hanging infusion device based on clinical care in medicine comprises a body 1, a hand-pulling seat 4 and a connecting rod 8; the body 1 is a cavity of an injector, a piston type injection column 2 is inserted in the cavity of the body in a sliding manner, and a first hand pressing plate 3 which is of an integral structure with the injection column 2 is arranged at the outer end of the injection column 2; the hand-pulling seat 4 is of an oval plate structure and is arranged on the outer end head of the tubular cavity body 1; the two tension springs 7 are connected to the inner end piston head of the injection column 2 in a screw connection mode, and the outer end heads of the two tension springs 7 are provided with drag hook structures; the connecting rod 8 is a cylindrical rod structure, the outer end of the connecting rod is provided with a sliding seat 5 which is integrated with the connecting rod, and the outer end of the sliding seat 5 is supported and welded with a connecting seat 9.
Wherein: the bottom surface of body 1 is welded with deflector 101, and the front and back two sides of this deflector 101 all still are equipped with the conducting strip of a rectangle strip structure, open in the inner chamber of slide 5 and be equipped with a first T shape spout 504, and slide 5 through the first T shape spout 504 sliding fit that sets up in the inner chamber on deflector 101, the right-hand member end of connecting rod 8 has welded rubber seat 801, and this rubber seat 801 also through the second T shape spout 802 sliding fit in the bottom chamber on deflector 101, can see from this that the bottom side that the sliding assembly that comprises slide 5, connecting rod 8 lies in body 1 forms sliding pulling or pushing mechanism.
Wherein: a metal ring 501 is welded on the two outer walls of the right side of the sliding seat 5, a pressure rod 502 is welded on the middle position of the metal ring 501 towards the right, and a second hand pressing plate 503 is welded at the terminal of the pressure rod 502, so that the sliding pulling or pushing mechanism formed at the bottom side of the body 1 is realized when the second hand pressing plate 503 is pressed by hand, the second hand pressing plate 503 is pressed by hand to synchronously push the pressure rods 502 connected with the second hand pressing plate, and under the connecting action of the metal ring 501, the pushing action acts on the pushing mechanism formed by the sliding seat 5 and the connecting rod 8, at the moment, the connecting seat 9 of the triangular cavity structure connected with the end of the connecting rod 8 is close to the leftmost needle head position of the body 1, the liquid medicine taken out when the needle head exhausts outwards is taken out, and the liquid medicine enters the foam seat 901 to be sucked, and the foam seat 901 and the outer end of the inner cavity of the joint seat 9 form a trapezoidal cavity gap which is convenient for liquid to flow into the foam seat 901.
Wherein: an ear seat 301 which is of an integral structure with the first hand pressing plate 3 is further arranged on one side of the periphery of the first hand pressing plate 3, a circular guide hole is formed in the ear seat 301, the pressing rod 502 slides to move in the circular guide hole formed in the ear seat 301, the left and right moving stability of the pressing rod 502 is improved, and the reasonability of the structure is improved.
Wherein: the top surface of the hand-pulling seat 4 is further provided with an arc-shaped slot 401, the pressure lever 502 also passes through the arc-shaped slot 401, and two connecting columns 402 are welded on the right end face of the hand pulling seat 4, the two connecting columns 402 correspond to the two tension springs 7 welded on the plastic surface at the inner end of the piston head of the injection column 2 in the inner and outer positions, it can be seen that the two tension springs 7 described herein can selectively pull the hooks at the two ends outwards, and is hung and pulled on the hanging rings of the two connecting columns 402, when the injector in the present state is used, when the device is applied to the injector, the medicine is sucked from one liquid medicine bottle and is injected into the other liquid medicine bottle for mixing, after the tension spring 7 is used for injecting mixed liquid medicine into another liquid medicine bottle, the injection column 2 which is pressed downwards is automatically pulled back upwards by the functional characteristics of the tension spring which is artificially connected, so that labor is saved or the tension spring is assisted to pull back upwards in a pulling direction.
The working principle is as follows: as shown in fig. 3, 4 and 7, when the main body 1 is in a normal use state, if there is air bubble on the front side of the inner cavity of the main body 1 in the liquid medicine sucked out from the needle tube installed on the front side of the main body 1 to the liquid medicine bottle, the second hand pressing plate 503 can be pressed by hand to push the pressing rod 502 connected with the second hand pressing plate synchronously, and under the connection action of the metal ring 501, the pressing action acts on the pushing mechanism formed by the sliding seat 5 and the connecting rod 8, at this time, the connecting seat 9 of the triangular cavity structure connected to the end of the connecting rod 8 is close to the bottom side position of the needle head on the leftmost side of the main body 1, so that the liquid medicine taken out when the needle head exhausts outwards is taken out, the liquid medicine enters the foam seat 901 to be sucked, and the problem that the discharged liquid medicine pollutes the surrounding environment and the operation is irregular is solved.
When the body 1 is used in a spreading occasion, as shown in fig. 4, 5 and 6, two tension springs 7 connected to a plastic plate on the inner side of a piston head of the injection column 2 can be selectively hung and pulled on a hanging ring on the connecting column 402 through a hook structure at an end head, at this time, when the injector in the state is used, if the injector is applied to the injector to suck a medicine from one medicine liquid bottle and inject the medicine into another medicine liquid bottle for mixing the medicine, the tension springs 7 can be used for injecting mixed medicine into the other medicine liquid bottle, and the tension springs are connected artificially, so that the injection column 2 pressed downwards is automatically pulled upwards, and labor is saved or the injector is assisted to pull upwards to pull back.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a non-hanging infusion set based on clinical care in medical science which characterized in that: comprises a body (1), a hand-pulling seat (4) and a connecting rod (8); the body (1) is an injector tube cavity, a piston type injection column (2) is inserted in an inner cavity of the body in a sliding mode, and a first hand pressing plate (3) which is of an integral structure with the injection column (2) is arranged at the outer end of the injection column; the hand-pulling seat (4) is of an elliptical plate structure and is arranged on the outer end head of the tubular body (1); the two tension springs (7) are connected to the inner end piston head of the injection column (2) in a screw connection mode, and the outer end heads of the two tension springs (7) are provided with drag hook structures; the connecting rod (8) is of a cylindrical rod structure, a sliding seat (5) which is of an integral structure with the connecting rod is arranged at the outer end of the connecting rod, and a connecting seat (9) is supported and welded at the outer end of the sliding seat (5); a metal ring (501) is welded on two outer walls of the right side of the sliding seat (5), a pressing rod (502) is welded at the middle position of the metal ring (501) towards the right, and a second pressing plate (503) is welded at the terminal of the pressing rod (502); the top surface of the hand-pulling seat (4) is also provided with an arc-shaped groove (401), the pressure lever (502) also passes through the arc-shaped groove (401), the right end surface of the hand-pulling seat (4) is welded with two connecting columns (402), and the two connecting columns (402) and the two tension springs (7) welded on the plastic surface at the inner end of the piston head of the injection column (2) form internal and external position correspondence; the connecting seat (9) is of a triangular sinking cavity structure, a foam seat (901) is filled in the sinking cavity, and a trapezoidal cavity gap is formed between the foam seat (901) and the outer end of the inner cavity of the connecting seat (9).
2. The non-hanging infusion device based on clinical care in medicine of claim 1, wherein: the bottom surface of body (1) has welded connection deflector (101), and this deflector (101) both sides all still are equipped with the conducting bar of a rectangle strip structure around.
3. The non-hanging infusion device based on clinical care in medicine of claim 1, wherein: a first T-shaped sliding groove (504) is formed in an inner cavity of the sliding seat (5), and the sliding seat (5) is in sliding fit with the guide plate (101) through the first T-shaped sliding groove (504) formed in the inner cavity.
4. The non-hanging infusion device based on clinical care in medicine of claim 1, wherein: the right end of the connecting rod (8) is welded with a rubber seat (801), and the rubber seat (801) is also in sliding fit with the guide plate (101) through a second T-shaped sliding groove (802) in the bottom cavity.
5. The non-hanging infusion device based on clinical care in medicine of claim 1, wherein: an ear seat (301) which is of an integral structure with the first hand pressing plate (3) is further arranged on one side of the periphery of the first hand pressing plate, a circular guide hole is formed in the ear seat (301), and the pressing rod (502) moves in the circular guide hole formed in the ear seat (301) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245539.2A CN110812227B (en) | 2019-12-07 | 2019-12-07 | Non-hanging infusion set based on clinical care in medical science |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245539.2A CN110812227B (en) | 2019-12-07 | 2019-12-07 | Non-hanging infusion set based on clinical care in medical science |
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| Publication Number | Publication Date |
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| CN110812227A CN110812227A (en) | 2020-02-21 |
| CN110812227B true CN110812227B (en) | 2022-04-05 |
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| CN201911245539.2A Active CN110812227B (en) | 2019-12-07 | 2019-12-07 | Non-hanging infusion set based on clinical care in medical science |
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| CN107875484A (en) * | 2017-11-27 | 2018-04-06 | 高玉霞 | A kind of syringe for reducing decoction residual volume |
| CN208910679U (en) * | 2018-02-01 | 2019-05-31 | 于波 | A kind of Ophthalmological injector |
| CN209253933U (en) * | 2018-12-18 | 2019-08-16 | 青岛市中心医院 | A kind of radiopharmaceutical syringe with positioning and safeguard function |
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