CN111991645A - Child arm intravenous route plug fixing device - Google Patents
Child arm intravenous route plug fixing device Download PDFInfo
- Publication number
- CN111991645A CN111991645A CN202010884159.XA CN202010884159A CN111991645A CN 111991645 A CN111991645 A CN 111991645A CN 202010884159 A CN202010884159 A CN 202010884159A CN 111991645 A CN111991645 A CN 111991645A
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- China
- Prior art keywords
- extrusion
- rod
- arm
- child
- air bag
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
-
- 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
- A61M5/52—Arm-rests
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1635—Hand or arm, e.g. handle
- A61H2201/1638—Holding means therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/06—Arms
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Dermatology (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Massaging Devices (AREA)
Abstract
The invention relates to the technical field of intravenous injection, and discloses a fixing device for an intravenous injection plug of an arm of a child, which comprises an injection head, wherein an annular air bag is arranged on the left side of the injection head, a screw rod is arranged inside the annular air bag, a twisting wheel is meshed and connected to the side surface of the screw rod, a massage rod is fixedly connected to the surface of the twisting wheel, a bearing box is fixedly connected to the side surface of the annular air bag, a connecting toothed rod is inserted into the top of the bearing box, an extrusion rod is rotatably connected to the bottom of the lever, a bearing air pipe is arranged on the right side of the extrusion rod, an extrusion air bag is fixedly connected to the right side of the bearing air pipe, a vertical ejector rod is fixedly connected to the inner top wall of the extrusion air bag, and. This child's arm intravenous route plug fixing device uses through the cooperation of extrusion gasbag and connection ratch to reach and fix the effect to not hard up injection head automatically when the injection.
Description
Technical Field
The invention relates to the technical field of intravenous injection, in particular to a fixing device for an intravenous injection plug of an arm of a child.
Background
Intravenous injection is a medical method, namely liquid substances such as blood, liquid medicine, nutrient solution and the like are directly injected into veins, the intravenous injection can be divided into transient and continuous, and the transient intravenous injection is mostly directly injected into the veins by a syringe, namely, common injection is generally performed; continuous intravenous injection is performed as an intravenous drip, commonly known as a drip.
When the child is subjected to intravenous injection, because the blood vessels of the child are small, the child can adopt an arm intravenous injection method, the injection head is inserted into the veins of the arm and is fixed through the adhesive tape, however, the child is weak in control capability of the body, the fixed injection head and the arm are prone to relative displacement during movement, the adhesive tape cannot be effectively fixed, and then the injection head is loosened to influence the injection process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fixing device for an intravenous injection plug of an arm of a child, which has the advantages of automatically fixing a loose injection head during injection and the like, and solves the problem that the injection head is difficult to effectively fix through adhesive tape fixation in the prior art.
(II) technical scheme
In order to achieve the purpose of automatically fixing the loosened injection head during injection, the invention provides the following technical scheme: a fixing device for an intravenous injection plug of an arm of a child comprises an injection head, wherein an annular air bag is arranged on the left side of the injection head, a screw rod is arranged inside the annular air bag, a torsion wheel is connected to the side surface of the screw rod in a meshed manner, a massage rod is fixedly connected to the surface of the torsion wheel, a bearing box is fixedly connected to the side surface of the annular air bag, a connecting toothed rod is arranged at the top of the bearing box in an inserted manner, a driven wheel is connected to the side surface of the connecting toothed rod in a meshed manner, a driving wheel is connected to the bottom of the driven wheel in a meshed manner, a steering wheel is arranged on the right side of the driving wheel, a linkage rod is rotatably connected to the inside of the steering wheel, a lever is rotatably connected to the right side of the linkage rod, an extrusion rod is rotatably connected to, the inner top wall of the extrusion air bag is fixedly connected with a vertical ejector rod, and a pressure-sensitive switch is arranged below the vertical ejector rod.
Preferably, the inner right wall of the extrusion air bag is fixedly connected with a support rod.
Preferably, a support rod is arranged on the side surface of the lever.
Preferably, a buffer spring is arranged inside the lever.
Preferably, a fixed block is arranged on the side surface of the linkage rod, so that the linkage rod is kept horizontal when moving.
Preferably, the top of the connecting toothed bar is connected with the injection head through a suction cup.
Preferably, the right side of the extrusion rod is provided with an air baffle plate, and the air baffle plate is connected through an extension spring.
Preferably, the left side of the supporting rod is provided with a squeezing plate which is connected with the internal air pressure of the squeezing air bag.
(III) advantageous effects
Compared with the prior art, the invention provides a fixing device for an intravenous injection plug of an arm of a child, which has the following beneficial effects:
1. this child's arm intravenous route plug fixing device uses through the cooperation of extrusion gasbag and connection ratch, inserts the injection head into the vein of arm when using, overlaps annular gasbag again on the arm, inflates the extrusion gasbag through the inflator, uses the sucking disc of connecting the ratch top to attract the injection head.
Drive injection head and arm at child's activity and produce relative displacement, when the injection head extrudees the extrusion gasbag, the gasbag takes place to shrink, drive vertical ejector pin downstream, the pressure switch to the below causes the extrusion, make the motor anticlockwise rotation of control action wheel, and then drive the meshing with it through the action wheel and rotate clockwise from the driving wheel, and then from the driving wheel with it meshed connection rack bar upwards drive, connect the rack bar with the injection head of top upwards top-lift, offset the extrusion to the extrusion gasbag of injection head, when the extrusion degree of injection head to the extrusion gasbag resumes when original, vertical ejector pin is not causing the extrusion to the pressure switch.
When the extrusion force of the injection head to the extrusion air bag is reduced, the extrusion air bag expands to enable the supporting rod in the extrusion air bag to pull the extrusion plate arranged on the left side, the pressure-sensitive switch is extruded, and the extrusion rod is pulled rightwards by an extension spring arranged on the side surface of the air baffle plate under the action of the air baffle plate arranged on the right side to drive the extrusion rod to move rightwards and pull the bottom of the lever, under the action of the supporting rod arranged on the side surface of the lever, the lever drives the linkage rod at the top to move leftwards, the linkage rod drives the steering wheel at the bottom to move leftwards and extrude the steering wheel between the driving wheel and the driven wheel, so that the driven wheel rotates anticlockwise, and then the connecting toothed bar meshed with the injection head is driven to move downwards, the injection head is pulled downwards to offset the relative displacement of the injection head and the arm, so that the injection head restores the initial extrusion of the extrusion air bag again, the stable fixation of the injection head and the arm is ensured, and the effect of automatically fixing the loosened injection head during injection is achieved.
2. This child's arm intravenous route plug fixing device, use through the screw rod with the cooperation of turning round the wheel, when connecting the rack and applying the effort to the injection head, the extrusion force is through holding the case with the effort in the annular gasbag, lead to the annular gasbag to take place deformation, and then drive screw rod and torsion wheel production meshing transmission, and then will turn round the wheel drive and rotate, the massage pole that the torsion wheel drive side set up rotates and produces the extrusion to annular gasbag inner wall, the massage pole consequently massages the vein of arm, thereby reached when the arm is exerted the effort by annular gasbag and promoted venous blood circulation's effect.
Drawings
FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a structural receiver box of the present invention;
FIG. 3 is a schematic cross-sectional view of a structural annular bladder of the present invention;
FIG. 4 is a schematic cross-sectional view of a structural crush bladder of the present invention.
In the figure: 1-injection head, 2-annular air bag, 3-screw rod, 4-torsion rotating wheel, 5-massage rod, 6-receiving box, 7-connecting toothed rod, 8-driven wheel, 9-driving wheel, 10-steering wheel, 11-linkage rod, 12-lever, 13-extrusion rod, 14-receiving air pipe, 15-extrusion air bag, 16-vertical ejector rod, 17-pressure switch and 18-supporting rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a fixing device for an intravenous injection plug of an arm of a child comprises an injection head 1, wherein the injection head 1 is made of stainless steel, so that the device can be effectively prevented from being corroded, the service life of the device is greatly prolonged, the production cost is reduced, and the fixing device has an indispensable effect on enterprises, an annular air bag 2 is arranged on the left side of the injection head 1, a screw rod 3 is arranged inside the annular air bag 2, a twisting wheel 4 is meshed and connected with the side surface of the screw rod 3, a massage rod 5 is fixedly connected to the surface of the twisting wheel 4, a bearing box 6 is fixedly connected to the side surface of the annular air bag 2, a connecting toothed bar 7 is arranged on the top of the bearing box 6 in an inserting manner, the top of the connecting toothed bar 7 is connected with the injection head 1 through a sucking disc, a driven wheel 8 is meshed and connected with the side surface of the connecting toothed bar 7, a driving, the inside of the steering wheel 10 is rotatably connected with a linkage rod 11, a fixed block is arranged on the side surface of the linkage rod 11 to ensure that the linkage rod 11 is kept horizontal when moving, the right side of the linkage rod 11 is rotatably connected with a lever 12, the side surface of the lever 12 is provided with a support rod, a buffer spring is arranged inside the lever 12, the bottom of the lever 12 is rotatably connected with an extrusion rod 13, the right side of the extrusion rod 13 is provided with an air baffle plate which is connected through a tension spring, the right side of the extrusion rod 13 is provided with a receiving air pipe 14, the right side of the receiving air pipe 14 is fixedly connected with an extrusion air bag 15, the inner top wall of the extrusion air bag 15 is fixedly connected with a vertical ejector rod 16, a pressure-sensitive switch 17 is arranged below the vertical ejector rod 16, the inner right wall of the extrusion air bag 15 is fixedly connected with a support rod 18, the support rod, and is received by the internal air pressure of the squeeze bag 15.
When in use, the injection head 1 is inserted into a vein of an arm, the annular air bag 2 is sleeved on the arm, the extrusion air bag 15 is inflated through an air cylinder, and the suction cup connected with the top of the rack bar 7 is used for sucking the injection head 1.
Drive injection head 1 and arm production relative displacement at child's activity, when injection head 1 extrudees extrusion gasbag 15, the gasbag takes place to shrink, drive vertical ejector pin 16 and move down, cause the extrusion to the pressure switch 17 of below, make the motor counter-clockwise rotation of control action wheel 9, and then drive driven wheel 8 clockwise rotation with it meshing through action wheel 9, and then from the driving wheel 8 with its meshed connection rack bar 7 upwards drive, connect rack bar 7 with the injection head 1 of top upwards ejecting, offset the extrusion to extrusion gasbag 15 of injection head 1, when the extrusion degree of injection head 1 to extrusion gasbag 15 resumes originally, vertical ejector pin 16 does not cause the extrusion to pressure switch 17.
When the extrusion force of the injection head 1 on the extrusion air bag 15 is reduced, the extrusion air bag 15 expands to enable the supporting rod 18 in the extrusion air bag to pull the extrusion plate arranged on the left side to extrude the pressure-sensitive switch 17, meanwhile, the extrusion rod 13 is pulled rightwards by the extension spring arranged on the side surface of the air baffle plate under the action of the air baffle plate arranged on the right side to drive the extrusion rod 13 to move rightwards, the bottom of the lever 12 is pulled, the lever 12 drives the linkage rod 11 on the top to move leftwards under the action of the supporting rod arranged on the side surface of the lever 12, the linkage rod 11 drives the steering wheel 10 on the bottom to move leftwards and extrude the space between the driving wheel 9 and the driven wheel 8, so that the driven wheel 8 rotates anticlockwise, the connecting toothed rod 7 meshed with the driven wheel is driven downwards to move downwards, the injection head 1 is pulled downwards to offset the relative displacement of the injection head 1 and the arm, and the, the stable fixation of the injection head 1 and the arm is ensured, so that the effect of automatically fixing the loosened injection head 1 during injection is achieved.
When connecting ratch 7 and applying the effort to injection head 1, the extrusion force is through holding in the case 6 with the effort effect in annular gasbag 2, lead to annular gasbag 2 to take place deformation, and then drive screw rod 3 and torsion wheel 4 and produce the meshing transmission, and then will turn round 4 drive rotations of turning round, torsion wheel 4 drives 5 rotations of massage pole that the side set up and produces the extrusion to 2 inner walls of annular gasbag, massage pole 5 consequently massages the vein of arm, thereby reached when the arm is exerted the effort by annular gasbag 2 the effect that promotes venous blood circulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a child's arm intravenous route plug fixing device, includes injection head (1), its characterized in that: the left side of the injection head (1) is provided with an annular air bag (2), a screw rod (3) is arranged inside the annular air bag (2), the side surface of the screw rod (3) is meshed and connected with a twisting wheel (4), the surface of the twisting wheel (4) is fixedly connected with a massage rod (5), the side surface of the annular air bag (2) is fixedly connected with a bearing box (6), the top of the bearing box (6) is penetrated and arranged with a connecting toothed bar (7), the side surface of the connecting toothed bar (7) is meshed and connected with a driven wheel (8), the bottom of the driven wheel (8) is meshed and connected with a driving wheel (9), the right side of the driving wheel (9) is provided with a steering wheel (10), the inside of the steering wheel (10) is rotatably connected with a linkage bar (11), the right side of the linkage bar (11) is rotatably connected with a lever (12), and the bottom of the lever (, the right side of extrusion pole (13) is provided with accepts trachea (14), the right side fixedly connected with extrusion gasbag (15) of accepting trachea (14), the interior roof fixedly connected with vertical ejector pin (16) of extrusion gasbag (15), the below of vertical ejector pin (16) is provided with pressure-sensitive switch (17).
2. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: the inner right wall of the extrusion air bag (15) is fixedly connected with a support rod (18).
3. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: a support rod is arranged on the side surface of the lever (12).
4. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: a buffer spring is arranged inside the lever (12).
5. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: and a fixed block is arranged on the side surface of the linkage rod (11).
6. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: the top of the connecting toothed bar (7) is connected with the injection head (1) through a sucking disc.
7. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: the right side of the extrusion rod (13) is provided with an air baffle plate, and the air baffle plate is connected through an extension spring.
8. The device for fixing a plug for intravenous injection on an arm of a child as claimed in claim 1, wherein: and the left side of the supporting rod (18) is provided with a squeezing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010884159.XA CN111991645A (en) | 2020-08-28 | 2020-08-28 | Child arm intravenous route plug fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010884159.XA CN111991645A (en) | 2020-08-28 | 2020-08-28 | Child arm intravenous route plug fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111991645A true CN111991645A (en) | 2020-11-27 |
Family
ID=73466043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010884159.XA Withdrawn CN111991645A (en) | 2020-08-28 | 2020-08-28 | Child arm intravenous route plug fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111991645A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638753Y (en) * | 2003-08-11 | 2004-09-08 | 杨丽梅 | Elastic puncture stand for insulin injection needle |
| CN203329126U (en) * | 2013-07-11 | 2013-12-11 | 绍兴文理学院 | Scalp venous transfusion needle fixing device |
| CN204395136U (en) * | 2015-01-12 | 2015-06-17 | 杜芳 | A kind of remaining needle fixing device |
| CN104800934A (en) * | 2015-05-25 | 2015-07-29 | 陈启云 | Multifunctional child transfusion fixing plate capable of massaging and preserving heat |
| CN108174003A (en) * | 2018-03-15 | 2018-06-15 | 河南西超实业有限公司 | A kind of self-stabilization vehicle carried mobile phone fixing bracket |
| CN110152076A (en) * | 2018-04-03 | 2019-08-23 | 崔恩东 | A kind of neurosurgery clinic drainage device for keeping Intracranial pressure stable |
| CN110478570A (en) * | 2019-09-19 | 2019-11-22 | 成都市温江区人民医院 | A kind of transfusion needle height adjustment device |
| CN110639091A (en) * | 2018-06-26 | 2020-01-03 | 陈欣 | Infusion needle fixing device |
| CN111282078A (en) * | 2020-03-06 | 2020-06-16 | 湘潭大学 | Protective cover for children dorsal metacarpal venous transfusion exosmosis |
| CN211139635U (en) * | 2019-11-25 | 2020-07-31 | 江西为民机械有限公司 | Outboard engine low-energy-consumption self-stabilizing suspension device |
| CN211326138U (en) * | 2019-10-30 | 2020-08-25 | 上海市浦东新区浦南医院 | Anti-loosening device for infusion needle |
-
2020
- 2020-08-28 CN CN202010884159.XA patent/CN111991645A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638753Y (en) * | 2003-08-11 | 2004-09-08 | 杨丽梅 | Elastic puncture stand for insulin injection needle |
| CN203329126U (en) * | 2013-07-11 | 2013-12-11 | 绍兴文理学院 | Scalp venous transfusion needle fixing device |
| CN204395136U (en) * | 2015-01-12 | 2015-06-17 | 杜芳 | A kind of remaining needle fixing device |
| CN104800934A (en) * | 2015-05-25 | 2015-07-29 | 陈启云 | Multifunctional child transfusion fixing plate capable of massaging and preserving heat |
| CN108174003A (en) * | 2018-03-15 | 2018-06-15 | 河南西超实业有限公司 | A kind of self-stabilization vehicle carried mobile phone fixing bracket |
| CN110152076A (en) * | 2018-04-03 | 2019-08-23 | 崔恩东 | A kind of neurosurgery clinic drainage device for keeping Intracranial pressure stable |
| CN110639091A (en) * | 2018-06-26 | 2020-01-03 | 陈欣 | Infusion needle fixing device |
| CN110478570A (en) * | 2019-09-19 | 2019-11-22 | 成都市温江区人民医院 | A kind of transfusion needle height adjustment device |
| CN211326138U (en) * | 2019-10-30 | 2020-08-25 | 上海市浦东新区浦南医院 | Anti-loosening device for infusion needle |
| CN211139635U (en) * | 2019-11-25 | 2020-07-31 | 江西为民机械有限公司 | Outboard engine low-energy-consumption self-stabilizing suspension device |
| CN111282078A (en) * | 2020-03-06 | 2020-06-16 | 湘潭大学 | Protective cover for children dorsal metacarpal venous transfusion exosmosis |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20201127 |