CN113398364A - Cardiovascular internal medicine contrast agent injector - Google Patents
Cardiovascular internal medicine contrast agent injector Download PDFInfo
- Publication number
- CN113398364A CN113398364A CN202110826609.4A CN202110826609A CN113398364A CN 113398364 A CN113398364 A CN 113398364A CN 202110826609 A CN202110826609 A CN 202110826609A CN 113398364 A CN113398364 A CN 113398364A
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- piston
- rod
- piston rod
- Prior art date
- 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.)
- Granted
Links
Images
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
- A61M5/007—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 for contrast media
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
- A61M5/445—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 having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a contrast agent injector for cardiovascular internal medicine, which comprises an injection tube, an injection needle and a piston plate I, wherein a piston rod is fixed on the lower surface of the piston plate I, and the lower surface of the injection tube is provided with a first opening which is used for the piston rod to pass through and is in sliding connection with the first opening, and the contrast agent injector is characterized in that: a heat conduction pipe is fixed on the inner wall of the injection tube, and heat conduction liquid is filled between the heat conduction pipe and the injection tube; the piston rod is connected with the heat conducting liquid through a transmission mechanism, and the heat conducting liquid is driven to circularly flow and heat up; the angle adjustment part is including fixing the connecting seat at the injection tube lower surface, and the surface dead axle of connecting seat rotates and is connected with the pivot, and the surface of pivot is fixed with the one end of directional pole, and the fixed surface of pivot has the worm wheel, and the lower surface dead axle of injection tube rotates and is connected with the worm wheel.
Description
Technical Field
The invention relates to the field of medical cardiovascular, in particular to a contrast agent injector for cardiovascular medicine.
Background
The contrast media injector currently used clinically is similar to a common syringe.
Because the contrast medium is rested in the container for a long time, thereby after being extracted to the syringe, the contrast medium is comparatively thick, and the piston promotes the resistance great when the injection, and the steady entering human body of difficult control contrast medium is internal, and the security is lower, and traditional injector simultaneously is difficult to heat the contrast medium and heaies up, leads to the contrast medium that the temperature is lower to be getting into the human body after, easily causes patient's discomfort.
Disclosure of Invention
The invention aims to provide a contrast medium injector for cardiovascular medicine, aiming at solving the defects of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cardiovascular internal medicine contrast medium syringe, includes injection cylinder (1), syringe needle (2) and piston board (3), the lower surface of piston board (3) is fixed with piston rod (4), the lower surface of injection cylinder (1) is seted up and is used for piston rod (4) to pass and sliding connection's opening one, its characterized in that: a heat conduction pipe (5) is fixed on the inner wall of the injection tube (1), and heat conduction liquid (6) is filled between the heat conduction pipe (5) and the injection tube (1); the piston rod (4) is connected with the piston plate I (3) in a transmission way, and the piston plate I (3) is driven to move along with rotation or only move when the piston rod (4) moves;
the switching component comprises an orientation rod (7) and an angle adjusting component for adjusting the orientation rod (7), an outer spline groove (8) is formed in the surface of the piston rod (4), and an inner spline sleeve (9) is sleeved on the groove wall of the outer spline groove (8) in a sliding mode; the surface of the inner spline sleeve (9) is fixedly and rotatably connected with a connecting plate (10) in a shaft-fixed mode, and a supporting plate (11) is fixed on the surface of the connecting plate (10); a sleeve block (12) is sleeved on the surface of the directional rod (7) in a sliding manner, a rack plate (13) is hinged to the surface of the sleeve block (12), and a groove used for the rack plate (13) to penetrate through and be connected in a sliding manner is formed in the surface of the supporting plate (11); a gear (14) meshed with the rack plate (13) is fixed on the surface of the internal spline sleeve (9), a push-pull plate (15) is fixedly and rotatably connected to the lower surface of the piston rod (4), a first spring (16) is sleeved on the surface of the piston rod (4), and two ends of the first spring (16) are respectively abutted to the opposite sides of the support plate (11) and the push-pull plate (15); the angle adjusting part comprises a connecting seat (25) fixed on the lower surface of the injection cylinder (1), a rotating shaft (26) is connected to the surface of the connecting seat (25) in a fixed-axis rotating mode, the surface of the rotating shaft (26) is fixed to one end of the orientation rod (7), a worm wheel (27) is fixed to the surface of the rotating shaft (26), and a worm (28) connected with the worm wheel (27) in a fixed-axis rotating mode is connected to the lower surface of the injection cylinder (1).
In the scheme, the heat pipe device further comprises a ring plate (23) which is connected to the inner wall of the heat conduction pipe (5) in a fixed-shaft rotating mode, a disturbance rod (24) is fixed to the upper surface of the ring plate (23), and a second opening which is used for enabling the disturbance rod (24) to penetrate through and is connected with the piston plate I (3) in a sliding mode is formed in the surface of the piston plate I.
In the scheme, a cover body (29) is fixed at the lower end of the injection cylinder (1).
In the scheme, a handle (30) is fixed at the lower end of the worm (28).
In the scheme, the heat conduction liquid (6) is heat conduction oil.
Has the advantages that:
firstly, because the contrast medium is statically placed in the container for a long time, the contrast medium in the syringe is viscous after being extracted, the pushing resistance of the piston plate I is large during injection, and the piston rod and the piston plate I can reciprocate in a small range and rotate up and down at the same time, so that the contrast medium in the syringe can be disturbed, the contrast medium is uniformly dispersed, and the injection can be carried out by pushing the piston plate I.
The stirring dead angle is reduced because the disturbing rod penetrates through the contrast medium, so that the contrast medium is stirred vigorously, fully and uniformly.
The invention can increase the reciprocating transverse moving distance of the rack plate due to the change of the inclination angle of the directional rod when an operator applies the same push-pull acting force to the push-pull plate by controlling the inclination angle of the directional rod, thereby increasing the rotating speed of the reciprocating rotation of the piston plate I and the disturbing rod, achieving the purpose of applying the same acting force, improving the stirring efficiency by adjusting the inclination angle of the directional rod, and being suitable for the stirring process of the contrast medium in different viscous states under the condition of relatively saving labor.
The heating pipe heats the heat conducting liquid which flows circularly while stirring, the heated heat conducting liquid can transfer heat to the heat conducting pipe, and the heat conducting pipe transfers the heat to the contrast agent, so that the comfort of a patient is improved during injection; because the heat conducting liquid flows circularly, the heated heat conducting liquid can uniformly transfer heat to the heat conducting pipe, thereby avoiding the pain of a patient caused by overhigh local temperature in the contrast agent during injection; the first piston plate reciprocates up and down in a small range, so that the contrast agent also reciprocates up and down in a small range, the contrast agent can be fully contacted with the inner wall of the heat conduction pipe, and the heat exchange efficiency is improved.
After the contrast agent is stirred, the orientation rod is rotated to the vertical state and is in the state shown in fig. 5, and then the push-pull plate is pushed, so that the sparse and heated contrast agent can be slowly pushed into a human body.
Drawings
FIG. 1 is a front view of the structure of the present invention in a first state;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a right side view of the structure of FIG. 2 in accordance with the present invention;
FIG. 4 is a second state elevational view of the structure of the present invention;
FIG. 5 is a third state elevational view of the structure of the present invention;
figure 6 is an isometric view of a structure of the present invention.
Detailed Description
Referring to fig. 1 to 6, the present invention provides a technical solution: a contrast agent injector for cardiovascular medicine comprises an injection tube 1, an injection needle 2 and a piston plate 3, wherein a piston rod 4 is fixed on the lower surface of the piston plate 3, the injection needle 2 is inserted into a container storing contrast agent before injection, then a part of the contrast agent is extracted into the injection tube 1 by pulling the piston rod 4, then the injection needle 2 is upwards moved to the state shown in figure 1, the contrast agent in the injection tube 1 can be stirred in a disturbing manner, an opening I which is used for the piston rod 4 to penetrate through and is in sliding connection with the opening I is formed in the lower surface of the injection tube 1, a heat conduction pipe 5 is fixed on the inner wall of the injection tube 1, heat conduction liquid 6 is filled between the heat conduction pipe 5 and the injection tube 1, the injection tube also comprises a heating component which is used for driving the heat conduction liquid 6 to circularly flow and heat up, and the heat conduction liquid 6 between the injection tube 1 and the heat conduction pipe 5 circularly flows through the heating component, when the injection liquid passes through the heating component, the heat conducting liquid 6 which circularly flows is heated, the heated heat conducting liquid 6 can transfer heat to the heat conducting pipe 5, and the heat conducting pipe 5 transfers the heat to the contrast agent, so that the comfort of a patient is improved during injection; because the heat conducting liquid 6 is in a circulating flow, the heated heat conducting liquid 6 can uniformly transfer heat to the heat conducting pipe 5, the local temperature in the contrast medium is prevented from being too high, pain of a patient is caused during injection, when the piston rod 4 moves, the piston plate 3 can move while rotating or only move, the heating component is in transmission connection with the switching component, when the contrast medium in the injection tube 1 is stirred in a disturbing manner, the piston plate 3 can move while rotating when the piston rod 4 is pulled up and down in a small range by operating the switching component, the contrast medium in the injection tube 1 can be disturbed, the contrast medium is uniformly dispersed, the injection is carried out by pushing the piston plate 3, after the stirring of the contrast medium is finished, the piston plate 3 only moves by reversely operating the switching component, the operator firstly pushes the piston rod 4 upwards to discharge the air in the syringe 1, then inserts the injection needle 2 into the corresponding position of the skin of the patient, and then continuously pushes the piston rod 4, so that the sparse and heated contrast medium can be slowly pushed into the human body to complete the injection.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the switching component includes a directional rod 7 and an angle adjusting component for adjusting the directional rod 7, during stirring, the directional rod 7 is kept in an inclined state only by operating the angle adjusting component, and during injection, the directional rod 7 is kept in a vertical state only by operating the angle adjusting component, the surface of the piston rod 4 is provided with an external spline groove 8, the groove wall of the external spline groove 8 is slidably sleeved with an internal spline sleeve 9, the surface of the internal spline sleeve 9 is fixedly and axially connected with a connecting plate 10, the surface of the connecting plate 10 is fixed with a support plate 11, the surface of the directional rod 7 is slidably sleeved with a sleeve block 12, the surface of the sleeve block 12 is hinged with a rack plate 13, the surface of the support plate 11 is provided with a groove for the rack plate 13 to pass through and slidably connect, the surface of the internal spline sleeve 9 is fixed with a gear 14 engaged with the rack plate 13, when the orientation rod 7 keeps an inclined state, the support plate 11 moves up and down back and forth, and the orientation rod 7 is arranged in the inclined state in a sliding and sleeving manner through the sleeve block 12, so that the rack plate 13 reciprocates left and right relative to the support plate 11, the rack plate 13 reciprocates left and right to drive the gear 14 to reciprocate, the gear 14 reciprocates to rotate, the piston rod 4 and the piston plate one 3 reciprocate up and down in a small range through the fixed relation between the gear 14 and the inner spline sleeve 9 and the sliding and sleeving relation between the inner spline sleeve 9 and the outer spline groove 8, and the contrast agent in the syringe 1 can be disturbed; when the orientation rod 7 is kept in a vertical state, the orientation rod 7 is in a vertical state, so that the movement of the rack plate 13 is limited, the rotation of the gear 14 can be limited by limiting the movement of the rack plate 13, the rotation of the piston rod 4 and the piston plate 3 is limited by limiting the rotation of the gear 14, so that when an operator pushes the push-pull plate 15, the piston plate 3 only moves axially, the situation that the contrast medium is driven to generate a vortex when the piston plate 3 rotates is avoided, the contrast medium in the vortex state enters a human body and is possibly uncomfortable to the human body, the injection safety is improved, the push-pull plate 15 is rotatably connected to the lower surface of the piston rod 4 in a fixed axis manner, the first spring 16 is sleeved on the surface of the piston rod 4, the two end parts of the first spring 16 are respectively abutted against the opposite sides of the support plate 11 and the push-pull plate 15, the support plate 11 can move up and down back and forth by pushing and pulling the push-pull plate 15 back and forth in a small range through the elastic tension provided by the first spring 16 in the process, the support plate 11 is abutted against the lower surface of the syringe 1, and the push-pull plate 15 can continue to move towards the syringe 1 by utilizing the compressibility of the first spring 16 so as to extrude the contrast medium in the syringe 1.
In this embodiment, as shown in fig. 1, 4 and 5, the heating component includes a liquid storage container 17 fixed on the lower surface of the injection cylinder 1, a piston plate 18 is slidably connected to the inner wall of the liquid storage container 17, a spring 19 is commonly fixed between the piston plate 18 and the liquid storage container 17, the rack plate 13 is located on the side of the piston plate 18, a heating pipe 20 is fixed on the inner wall of the liquid storage container 17, two circulation pipes 21 are commonly fixed between the injection cylinder 1 and the heating pipe 20, a check valve 22 is disposed on each of the two circulation pipes 21, when the rack plate 13 reciprocates left and right, the piston plate 18 reciprocates left and right through the elastic tension provided by the spring 19, the heat conducting liquid 6 between the injection cylinder 1 and the heat conducting pipe 5 circulates through the liquid storage container 17 by the reciprocating left and right of the piston plate 18 and the restriction of the liquid flow direction through the two check valves 22, while passing through the liquid storage container 17, the heat transfer liquid 6 circulating is heated by the heating pipe 20.
In this embodiment, as shown in fig. 1, 4 and 5, the imaging device further includes a ring plate 23 rotatably connected to the inner wall of the heat conducting pipe 5 in a fixed axis manner, a disturbance rod 24 is fixed to the upper surface of the ring plate 23, a second opening is formed in the surface of the first piston plate 3, the second opening is used for the disturbance rod 24 to pass through and be slidably connected with the first opening, the first piston plate 3 rotates in a reciprocating manner, and the first piston plate 3 and the disturbance rod 24 are slidably connected with each other in a sleeved manner, so that the ring plate 23 and the disturbance rod 24 rotate in a reciprocating manner, and the disturbance rod 24 penetrates through the contrast medium, so that the stirring dead angle is reduced, and the contrast medium is stirred acutely, fully and uniformly.
In this embodiment, as shown in fig. 1, 4 and 5, the angle adjusting component includes a connecting seat 25 fixed on the lower surface of the injection tube 1, a rotating shaft 26 is connected to the surface of the connecting seat 25 in a fixed-axis manner, the surface of the rotating shaft 26 is fixed to one end of the orientation rod 7, a worm wheel 27 is fixed to the surface of the rotating shaft 26, a worm 28 connected to the worm wheel 27 in a fixed-axis manner is connected to the lower surface of the injection tube 1 in a fixed-axis manner, the worm wheel 27 and the rotating shaft 26 are driven to rotate by operating the worm 28, the inclination angle of the orientation rod 7 can be controlled by fixing the rotating shaft 26 to the orientation rod 7 and further by twisting the handle 30, and the adjusted orientation rod 7 can be fixed by self-locking after transmission between the worm 28 and the worm wheel 27.
In this embodiment, as shown in fig. 1, 4 and 5, a cover 29 is fixed to the lower end of the syringe 1, and the cover 29 is provided to cover the components at the bottom of the syringe 1, thereby improving the aesthetic appearance of the injection device while ensuring the above-mentioned effective effects.
In this embodiment, as shown in fig. 1, 4 and 5, a handle 30 is fixed to a lower end of the worm 28, so that an operator can operate the worm 28 to rotate by covering and twisting the handle 30.
In this embodiment, as shown in fig. 1, 4 and 5, the heat conducting liquid 6 is heat conducting oil, which has a better heat transfer efficiency, so as to conveniently and rapidly and uniformly transfer the heat generated by the heating tube 20 to the contrast medium in the syringe 1.
The working principle is as follows: when the cardiovascular medical contrast agent injector is used, the injection needle 2 is inserted into a container containing contrast agent, then a part of the contrast agent is extracted into the injection tube 1 by pulling the push-pull plate 15, and then the injection needle 2 is upwards and starts to the state shown in figure 1;
because the contrast medium is statically placed in the container for a long time, after the contrast medium is extracted, the contrast medium in the syringe 1 is viscous, the pushing resistance of the piston plate I3 is large during injection, and further, as shown in figures 1 and 4, an operator pushes and pulls the push-pull plate 15 to and fro in a small range, in the process, the support plate 11 moves back and forth up and down through the elastic tension provided by the spring I16, the support plate 11 moves back and forth up and down through the support plate 11 and back and forth, and is in sliding sleeve joint with the orientation rod 7 in an inclined state through the sleeve block 12, so that the rack plate 13 moves back and forth left and right relative to the support plate 11, the rack plate 13 moves back and forth left and right to drive the gear 14 to rotate back and forth, the gear 14 rotates back and forth, the piston rod 4 and the piston plate I3 are driven to move back and forth up and down in a small range through the fixed relation between the gear 14 and the inner spline sleeve 9 and the sliding sleeve 8, the contrast agent in the syringe 1 can be disturbed by reciprocating rotation, so that the contrast agent is uniformly dispersed, and the injection is carried out by pushing the piston plate I3;
the first piston plate 3 rotates in a reciprocating manner, and the first piston plate 3 and the disturbing rod 24 are in sliding sleeved connection, so that the ring plate 23 and the disturbing rod 24 are driven to rotate in a reciprocating manner, the disturbing rod 24 penetrates through the contrast medium, the stirring dead angle is reduced, and the contrast medium is stirred vigorously, fully and uniformly;
before the push-pull plate 15 is pushed and pulled in a small range, the worm 28 can be driven to rotate by twisting the handle 30, the worm wheel 27 and the rotating shaft 26 are driven to rotate by rotating the worm 28, the rotating shaft 26 is fixed with the directional rod 7, and further, the inclination angle of the directional rod 7 can be controlled by twisting the handle 30, so that when an operator applies the same push-pull acting force to the push-pull plate 15, the reciprocating transverse moving distance of the rack plate 13 can be increased due to the change of the inclination angle of the directional rod 7, the reciprocating rotation speed of the piston plate I3 and the disturbance rod 24 can be increased, the same acting force is applied, the stirring efficiency is improved by adjusting the inclination angle of the directional rod 7, and the stirring process of the contrast agent in different viscous states can be adapted under the condition of relative labor saving;
while stirring, the rack plate 13 reciprocates left and right, and the elastic tension provided by the second spring 19 makes the second piston plate 18 reciprocate left and right, the second piston plate 18 reciprocates left and right, and the flow direction of the liquid is limited by the two one-way valves 22, so that the heat-conducting liquid 6 between the injection tube 1 and the heat-conducting tube 5 circularly flows through the liquid storage container 17, when the heat-conducting liquid 6 circularly flows through the liquid storage container 17, the heat-conducting liquid 6 after heating can transfer heat to the heat-conducting tube 5, and the heat-conducting tube 5 transfers heat to the contrast medium, so that the comfort of a patient is improved during injection; because the heat-conducting liquid 6 flows circularly, the heated heat-conducting liquid 6 can uniformly transfer heat to the heat-conducting pipe 5, and the pain of a patient caused by overhigh local temperature in the contrast agent during injection is avoided; the piston plate I3 reciprocates up and down in a small range, so that the contrast agent also reciprocates up and down in a small range, the contrast agent can be fully contacted with the inner wall of the heat conduction pipe 5, and the heat exchange efficiency is improved.
After the contrast agent is stirred, the handle 30 is reversely twisted to enable the directional rod 7 to rotate to a vertical state and to a state shown in fig. 5, at the moment, an operator firstly pushes the push-pull plate 15 upwards to enable air in the injection tube 1 to be exhausted, then inserts the injection needle 2 into the corresponding position of the skin of a patient, and then continuously pushes the push-pull plate 15, so that the sparse and heated contrast agent can be slowly pushed into the human body, in the process, because the directional rod 7 is in the vertical state, the movement of the rack plate 13 is limited, the rotation of the gear 14 can be similarly limited by limiting the movement of the rack plate 13, because the gear 14 and the inner spline sleeve 9 are in a fixed relation, and the inner spline sleeve 9 and the outer spline groove 8 are in a sliding sleeve connection, the rotation of the piston rod 4 and the piston plate one 3 is similarly limited by limiting the rotation of the gear 14, when an operator pushes the push-pull plate 15, the piston plate 3 only moves axially, so that the situation that when the piston plate 3 rotates, the contrast medium is driven to generate a vortex, the contrast medium in the vortex state enters a human body, possibly causing human discomfort is avoided, and the injection safety is improved.
Claims (5)
1. The utility model provides a cardiovascular internal medicine contrast medium syringe, includes injection cylinder (1), syringe needle (2) and piston board (3), the lower surface of piston board (3) is fixed with piston rod (4), the lower surface of injection cylinder (1) is seted up and is used for piston rod (4) to pass and sliding connection's opening one, its characterized in that: a heat conduction pipe (5) is fixed on the inner wall of the injection tube (1), and heat conduction liquid (6) is filled between the heat conduction pipe (5) and the injection tube (1); the piston rod (4) is connected with the piston plate I (3) in a transmission way, and the piston plate I (3) is driven to move along with rotation or only move when the piston rod (4) moves;
the switching component comprises an orientation rod (7) and an angle adjusting component for adjusting the orientation rod (7), an outer spline groove (8) is formed in the surface of the piston rod (4), and an inner spline sleeve (9) is sleeved on the groove wall of the outer spline groove (8) in a sliding mode; the surface of the inner spline sleeve (9) is fixedly and rotatably connected with a connecting plate (10) in a shaft-fixed mode, and a supporting plate (11) is fixed on the surface of the connecting plate (10); a sleeve block (12) is sleeved on the surface of the directional rod (7) in a sliding manner, a rack plate (13) is hinged to the surface of the sleeve block (12), and a groove used for the rack plate (13) to penetrate through and be connected in a sliding manner is formed in the surface of the supporting plate (11); a gear (14) meshed with the rack plate (13) is fixed on the surface of the internal spline sleeve (9), a push-pull plate (15) is fixedly and rotatably connected to the lower surface of the piston rod (4), a first spring (16) is sleeved on the surface of the piston rod (4), and two ends of the first spring (16) are respectively abutted to the opposite sides of the support plate (11) and the push-pull plate (15); the angle adjusting part comprises a connecting seat (25) fixed on the lower surface of the injection cylinder (1), a rotating shaft (26) is connected to the surface of the connecting seat (25) in a fixed-axis rotating mode, the surface of the rotating shaft (26) is fixed to one end of the orientation rod (7), a worm wheel (27) is fixed to the surface of the rotating shaft (26), and a worm (28) connected with the worm wheel (27) in a fixed-axis rotating mode is connected to the lower surface of the injection cylinder (1).
2. The cardiovascular medical contrast agent injector of claim 1, wherein: still including dead axle rotation connection in the crown plate (23) of heat pipe (5) inner wall, the upper surface of crown plate (23) is fixed with disturbance pole (24), the surface of piston plate one (3) is seted up and is used for disturbance pole (24) pass and sliding connection's opening two.
3. The cardiovascular medical contrast agent injector of claim 1, wherein: a cover body (29) is fixed at the lower end of the injection cylinder (1).
4. The cardiovascular medical contrast agent injector of claim 1, wherein: a handle (30) is fixed at the lower end of the worm (28).
5. The cardiovascular medical contrast agent injector of claim 1, wherein: the heat conducting liquid (6) is heat conducting oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826609.4A CN113398364B (en) | 2021-07-21 | 2021-07-21 | Cardiovascular internal medicine contrast agent injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826609.4A CN113398364B (en) | 2021-07-21 | 2021-07-21 | Cardiovascular internal medicine contrast agent injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113398364A true CN113398364A (en) | 2021-09-17 |
| CN113398364B CN113398364B (en) | 2022-12-20 |
Family
ID=77687278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110826609.4A Active CN113398364B (en) | 2021-07-21 | 2021-07-21 | Cardiovascular internal medicine contrast agent injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113398364B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120252709A1 (en) * | 2011-04-01 | 2012-10-04 | John Felts | Vessels, contact surfaces, and coating and inspection apparatus and methods |
| WO2013153812A1 (en) * | 2012-04-12 | 2013-10-17 | 株式会社根本杏林堂 | Agitating injection device |
| CN109172947A (en) * | 2018-10-18 | 2019-01-11 | 丁佳佳 | A kind of novel constant-temperature formula vaccine inoculation injection device |
| CN209253639U (en) * | 2018-04-23 | 2019-08-16 | 无锡市儿童医院 | A kind of care device for Neurology |
| CN210205514U (en) * | 2019-04-10 | 2020-03-31 | 中国人民解放军陆军军医大学第一附属医院 | Full-automatic micro pump syringe |
| CN112190362A (en) * | 2020-10-12 | 2021-01-08 | 许�鹏 | Injection device for animal epidemic disease detection |
| CN112755334A (en) * | 2021-01-13 | 2021-05-07 | 佳木斯大学 | Cardiovascular contrast medium injection device for cardiovascular angiography examination in cardiovascular medicine and implementation method thereof |
| CN112933328A (en) * | 2021-01-27 | 2021-06-11 | 青岛市中心医院 | Infusion support for oncologic nursing |
| CN213609004U (en) * | 2020-07-21 | 2021-07-06 | 蒋立军 | Clinical radiography device of cardiovascular internal medicine |
-
2021
- 2021-07-21 CN CN202110826609.4A patent/CN113398364B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120252709A1 (en) * | 2011-04-01 | 2012-10-04 | John Felts | Vessels, contact surfaces, and coating and inspection apparatus and methods |
| WO2013153812A1 (en) * | 2012-04-12 | 2013-10-17 | 株式会社根本杏林堂 | Agitating injection device |
| CN104220110A (en) * | 2012-04-12 | 2014-12-17 | 株式会社根本杏林堂 | Agitating injection device |
| CN209253639U (en) * | 2018-04-23 | 2019-08-16 | 无锡市儿童医院 | A kind of care device for Neurology |
| CN109172947A (en) * | 2018-10-18 | 2019-01-11 | 丁佳佳 | A kind of novel constant-temperature formula vaccine inoculation injection device |
| CN210205514U (en) * | 2019-04-10 | 2020-03-31 | 中国人民解放军陆军军医大学第一附属医院 | Full-automatic micro pump syringe |
| CN213609004U (en) * | 2020-07-21 | 2021-07-06 | 蒋立军 | Clinical radiography device of cardiovascular internal medicine |
| CN112190362A (en) * | 2020-10-12 | 2021-01-08 | 许�鹏 | Injection device for animal epidemic disease detection |
| CN112755334A (en) * | 2021-01-13 | 2021-05-07 | 佳木斯大学 | Cardiovascular contrast medium injection device for cardiovascular angiography examination in cardiovascular medicine and implementation method thereof |
| CN112933328A (en) * | 2021-01-27 | 2021-06-11 | 青岛市中心医院 | Infusion support for oncologic nursing |
Non-Patent Citations (1)
| Title |
|---|
| 赵丽娜: "无针注射器技术研究", 《中国优秀硕士论文辑工程科技二辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113398364B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113398365B (en) | Clinical radiography injection device and injection method for cardiovascular medicine | |
| CN113398364B (en) | Cardiovascular internal medicine contrast agent injector | |
| CN204219532U (en) | A kind of angiocardiography infusing device | |
| CN111658881A (en) | Wall-mounted infusion device for auxiliary infusion in ward or intensive care unit of hospital | |
| CN108413604A (en) | A kind of gynemetrics's palace cold patient pack heating equipment | |
| CN211460816U (en) | Medical silicone oil injector | |
| CN219090233U (en) | Meridian moxibustion physiotherapy instrument | |
| CN218980052U (en) | Infusion heat-preserving nursing device for operating room | |
| CN219374711U (en) | TCD foaming auxiliary device | |
| CN215460848U (en) | ICU patient automatic device of changing dressings of infusing | |
| CN215995124U (en) | Adjusting device for controlling infusion dripping speed | |
| CN219398493U (en) | High-safety infusion pump | |
| CN219896620U (en) | Medical perfusion pump structure of control by temperature change formula | |
| CN213311761U (en) | But rapid cooling's traditional chinese medicine machine of decocting medicinal herbs | |
| CN116687656B (en) | Hot compress device and method for traditional Chinese medicine acupuncture | |
| CN115721478B (en) | Abdominal cavity circulation heat perfusion device for tumor treatment | |
| CN216169157U (en) | Be used for enema device for gastroenterology | |
| CN117679308B (en) | Needle warming device for traditional Chinese medicine acupuncture physiotherapy | |
| CN208974197U (en) | A kind of Anti-reflux type livestock continuous injecting apparatus with self-locking function | |
| CN208857269U (en) | Stem cell collection device | |
| CN220424187U (en) | Foot warming therapy machine | |
| CN219614359U (en) | Traditional chinese medicine fumigating barrel | |
| CN213911808U (en) | Infusion nursing pad used in winter | |
| CN217660955U (en) | Infusion pump dosing device | |
| CN219332739U (en) | Wound washes nursing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221123 Address after: 518000 Room 302, No. 7, zhugushi Ailian Industrial Zone, Wulian community, Longgang street, Longgang District, Shenzhen, Guangdong Province Applicant after: ANNTOM MEDICAL LTD. Address before: 404300 7-1, 139 Dongpo Road, Zhongzhou Town, Zhongxian County, Chongqing Applicant before: Hu Chun |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |