CN106730131B - Self-locking push mechanism for ultrasonic contrast medium - Google Patents
Self-locking push mechanism for ultrasonic contrast medium Download PDFInfo
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- CN106730131B CN106730131B CN201611123404.5A CN201611123404A CN106730131B CN 106730131 B CN106730131 B CN 106730131B CN 201611123404 A CN201611123404 A CN 201611123404A CN 106730131 B CN106730131 B CN 106730131B
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/1454—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons spring-actuated, e.g. by a clockwork
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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
- A61M5/007—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
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M2005/14506—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons mechanically driven, e.g. spring or clockwork
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- 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)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The injection mechanism of the ultrasonic contrast medium with self-locking comprises a rectangular main shell, a main mounting vertical plate, a main lower positioning cylinder, a main upper positioning cylinder, a main lower sliding sleeve, a main upper sliding sleeve, a main lower supporting spring, a main upper supporting spring, a main pull rod, a main upper push column, a main upper piston push disc, a main left clamping piece, a main right clamping piece, a main needle cylinder and a main lock.
Description
Technical Field
The invention relates to a self-locking push injection mechanism of an ultrasonic contrast agent.
Background
The ultrasonic contrast examination is a special examination method with a wide popularization range and has important clinical application value. In the ultrasonic contrast examination, besides the necessary ultrasonic instrument with the ultrasonic contrast function and the ultrasonic contrast agent, a very important link is also provided, namely the contrast agent and the physiological saline are required to be quickly injected into the peripheral veins of the examined person, and the contrast agent reaches the heart as quickly as possible, so that the accuracy and the repeatability of related ultrasonic contrast parameters are ensured, and the diagnosis accuracy is improved.
The operation method in the link at present is to inject the ultrasonic contrast agent and the physiological saline manually, so that the ultrasonic contrast agent and the physiological saline cannot be injected into peripheral veins of a detected person quickly, the ultrasonic contrast agent cannot reach the heart quickly, after the ultrasonic contrast agent is injected, a three-way switch cannot automatically close an ultrasonic contrast agent injection channel, backflow can be generated when the physiological saline is injected, the physiological saline can enter a syringe for injecting the ultrasonic contrast agent, the ultrasonic contrast agent cannot be injected into the syringe in a linkage mode, the automation degree is not high, the injection dosage of the ultrasonic contrast agent is not adjustable, and the diagnosis accuracy rate is low.
Disclosure of Invention
In view of the above technical problems, the present invention provides: the self-locking ultrasonic contrast agent injection mechanism has the advantages of simple structure, capability of quickly injecting the ultrasonic contrast agent and the physiological saline into peripheral veins of a detected person, no reverse flow when the physiological saline is injected, capability of injecting the physiological saline in a linkage manner after the ultrasonic contrast agent is injected, high automation degree, adjustable injection dosage of the ultrasonic contrast agent, high diagnosis accuracy and self-locking.
In order to solve the technical problem, the invention adopts the following technical scheme: the push injection mechanism with the self-locking ultrasonic contrast agent comprises a rectangular main shell, a main mounting vertical plate, a main lower positioning cylinder, a main upper positioning cylinder, a main lower sliding sleeve, a main upper sliding sleeve, a main lower supporting spring, a main upper supporting spring, a main pull rod, a main upper push column, a main upper piston push disc, a main left clamping piece, a main right clamping piece, a main needle cylinder and a main locking device, wherein the main mounting vertical plate is fixedly mounted in the rectangular main shell, the front end of the main lower positioning cylinder is fixedly mounted on the main mounting vertical plate, the front end of the main upper positioning cylinder is fixedly mounted on the main mounting vertical plate, a main crack is arranged between the main lower positioning cylinder and the main upper positioning cylinder, the main lower sliding sleeve is sleeved on the main lower positioning cylinder, the main upper sliding sleeve is sleeved on the main upper positioning cylinder, the top of the main lower sliding sleeve is connected with the bottom of the main upper sliding sleeve, the front end of the main pull rod is connected with the tail of the main upper sliding sleeve, the rear end of the main pull rod is positioned outside the rectangular main shell, the main pull rod is positioned in a main crack, the front end of a main lower supporting spring is fixed on the tail part of a main lower sliding sleeve, the rear end of the main lower supporting spring is fixed on the tail part of a main lower positioning cylinder, the front end of a main upper supporting spring is fixed on the tail part of a main upper sliding sleeve, the rear end of the main upper supporting spring is fixed on the tail part of a main upper positioning cylinder, a main upper push column is fixedly arranged on the main upper sliding sleeve, a main upper piston push disc is fixedly arranged on the main upper push column, a main upper push column front and rear displacement hole is arranged on the rectangular main shell, the main upper push column extends out of the main upper push column front and rear displacement hole, the main upper piston push disc is positioned above the main upper push column front and rear displacement hole, and a main left clamping sheet and a main right clamping sheet are both fixedly arranged on the top of the rectangular main shell, the main needle cylinder is arranged between the main left clamping piece and the main right clamping piece, the main upper piston push disc is matched with the piston of the main needle cylinder in an abutting mode and comprises a rectangular auxiliary shell, an auxiliary mounting vertical plate, an auxiliary lower positioning cylinder, an auxiliary upper positioning cylinder, an auxiliary lower sliding sleeve, an auxiliary upper sliding sleeve, an auxiliary lower supporting spring, an auxiliary upper supporting spring, an auxiliary pull rod, an auxiliary upper push column, an auxiliary upper piston push disc, an auxiliary left clamping piece, an auxiliary right clamping piece and an auxiliary needle cylinder, the auxiliary mounting vertical plate is fixedly arranged in the rectangular auxiliary shell, the front end of the auxiliary lower positioning cylinder is fixedly arranged on the auxiliary mounting vertical plate, the front end of the auxiliary upper positioning cylinder is fixedly arranged on the auxiliary mounting vertical plate, an auxiliary crack is arranged between the auxiliary lower positioning cylinder and the auxiliary upper positioning cylinder, the auxiliary lower sliding sleeve is sleeved on the auxiliary lower positioning cylinder, the auxiliary upper sliding sleeve is sleeved on the auxiliary upper positioning cylinder, the top of the auxiliary lower sliding sleeve is connected with the bottom of the auxiliary upper sliding sleeve, the front end of the auxiliary pull rod is connected with the tail of the auxiliary upper sliding sleeve, the rear end of the auxiliary pull rod is positioned outside the rectangular auxiliary shell, the auxiliary pull rod is positioned in an auxiliary crack, the front end of the auxiliary lower supporting spring is fixed on the tail of the auxiliary lower sliding sleeve, the rear end of the auxiliary lower supporting spring is fixed on the tail of the auxiliary lower positioning cylinder, the front end of the auxiliary upper supporting spring is fixed on the tail of the auxiliary upper sliding sleeve, the rear end of the auxiliary upper supporting spring is fixed on the tail of the auxiliary upper positioning cylinder, the auxiliary upper push column is fixedly arranged on the auxiliary upper sliding sleeve, the auxiliary upper piston push disc is fixedly arranged on the auxiliary upper push column, the rectangular auxiliary shell is provided with front and rear displacement holes of the auxiliary upper push column, the auxiliary upper push column extends out of the front and rear displacement holes of the auxiliary upper push column, and the auxiliary upper piston push disc is positioned above the front and rear displacement holes of the auxiliary upper push column, the equal fixed mounting of vice left clamping piece and vice right clamping piece is on the top of rectangular pair of casing, vice cylinder is installed between vice left clamping piece and vice right clamping piece, vice piston pushing tray and the piston butt cooperation of vice cylinder of going up, the front end of rectangular pair of casing and the right side fixed connection of the rectangular main casing body, including connecting tee bend, tee junction post, L shape tee bend supporting shoe, L shape tee bend mounting groove rotation torsional spring and L shape tee bend mounting groove support column, L shape tee bend mounting groove support column fixed mounting is on the bottom plate of the rectangular main casing body, the rotatable installation of L shape tee bend mounting groove is on L shape tee bend mounting groove support column, L shape tee bend mounting groove rotation torsional spring housing is established on L shape tee bend mounting groove support column, the upper end fixed mounting of L shape tee bend mounting groove rotation torsional spring is in the bottom of L shape tee bend mounting groove, the lower end of the L-shaped tee joint mounting groove rotating torsion spring is fixedly mounted on an L-shaped tee joint mounting groove support column, the L-shaped tee joint support block is mounted in the L-shaped tee joint mounting groove, the lower end of the tee joint connection column is fixedly connected with the L-shaped tee joint support block, the upper end of the tee joint connection column is fixedly connected with a connection tee joint, an L-shaped opening is formed in a top plate of the rectangular main shell, the height of the connection tee joint is higher than that of the L-shaped tee joint mounting groove, the L-shaped tee joint support block, the L-shaped tee joint mounting groove and the L-shaped tee joint mounting groove support column are all located inside the rectangular main shell, the connection tee joint is located above the rectangular main shell and comprises a tee joint first interface, a tee joint second interface and a tee joint third interface, the tee joint first interface is connected with the main needle cylinder, and the tee joint second interface is connected with the auxiliary needle cylinder, the three-way third interface is connected with a needle head and comprises a trigger pushing sleeve, a trigger transverse positioning column, a trigger spring, a trigger sleeve ring, a trigger block and a trigger block bracket, the front end of the trigger transverse positioning column is fixedly arranged on a front vertical plate of the rectangular main shell, the trigger pushing sleeve ring is sleeved on the trigger transverse positioning column, the outer side of the trigger pushing sleeve is fixedly connected with the outer side of the main upper sliding sleeve, the trigger sleeve ring and the trigger spring are sleeved on the trigger transverse positioning column, the trigger sleeve ring is positioned between the trigger spring and the trigger pushing sleeve ring, the front end of the trigger spring is abutted against the inner wall of the rectangular main shell, the rear end of the trigger spring is abutted against the front end of the trigger pushing sleeve ring, the top of the trigger block is fixedly connected with the bottom of the trigger sleeve ring, and the trigger block bracket is fixedly arranged on a bottom plate of the rectangular main shell, the movable cover of trigger block is established on the trigger block support, be equipped with the trigger gib head on the trigger block, the trigger gib head cooperatees with L shape tee bend mounting groove, including trigger pendulum rod, trigger pendulum rod support column and trigger gyro wheel, trigger pendulum rod support column fixed mounting is on the bottom plate of rectangular auxiliary casing, trigger pendulum rod opens the wobbling and installs on trigger pendulum rod support column, trigger gyro wheel installs the front end at the trigger pendulum rod, the rear end of trigger pendulum rod is fixed on the trigger lantern ring, the trigger gyro wheel cooperates with vice last sliding sleeve butt, the master lock device includes master lock installation casing, master lock inserted column supporting spring, master lock on adjust the mounting panel, master lock under adjust the mounting panel and master lock adjusting bolt, the master lock installation casing is mobilizable to be installed on the master lock between adjust the mounting panel and the master lock under adjust the mounting panel, the utility model discloses a lock, including main lock installation casing, main lock mounting casing, main lock adjusting bolt, main lock jack, main lock support spring, main lock jack support spring's front end, main lock jack support spring's tail end butt cooperation, main lock jack support spring's tail end and main lock installation casing inner wall butt cooperation, be equipped with main lock installation casing on the lateral part of main lock installation casing and open a seam, be equipped with main lock installation casing and open a seam notch on the main lock installation casing, be equipped with main lock jack deflector rod on the lateral part of main lock jack, main lock jack deflector rod stretches out from main lock installation casing is opened a seam, main lock jack deflector rod can block and establish on main lock installation casing notch.
The self-locking push mechanism of the ultrasonic contrast agent has the advantages that: the main lock device comprises a rectangular main shell, a main mounting vertical plate, a main lower positioning cylinder, a main upper positioning cylinder, a main lower sliding sleeve, a main upper sliding sleeve, a main lower supporting spring, a main upper supporting spring, a main pull rod, a main upper push column, a main upper piston push disc, a main left clamping piece, a main right clamping piece, a main needle cylinder and a main lock device, wherein the main mounting vertical plate is fixedly mounted in the rectangular main shell, the front end of the main lower positioning cylinder is fixedly mounted on the main mounting vertical plate, the front end of the main upper positioning cylinder is fixedly mounted on the main mounting vertical plate, a main crack is arranged between the main lower positioning cylinder and the main upper positioning cylinder, the main lower sliding sleeve is sleeved on the main lower positioning cylinder, the main upper sliding sleeve is sleeved on the main upper positioning cylinder, the top of the main lower sliding sleeve is connected with the bottom of the main upper sliding sleeve, and the front end of the main pull rod is connected with the tail of the main upper sliding sleeve, the rear end of the main pull rod is positioned outside the rectangular main shell, the main pull rod is positioned in a main crack, the front end of a main lower supporting spring is fixed on the tail part of a main lower sliding sleeve, the rear end of the main lower supporting spring is fixed on the tail part of a main lower positioning cylinder, the front end of a main upper supporting spring is fixed on the tail part of a main upper sliding sleeve, the rear end of the main upper supporting spring is fixed on the tail part of a main upper positioning cylinder, a main upper pushing column is fixedly arranged on the main upper sliding sleeve, a main upper piston pushing disc is fixedly arranged on the main upper pushing column, front and rear displacement holes of the main upper pushing column are formed in the rectangular main upper pushing column, the main upper pushing column extends out of the front and rear displacement holes of the main upper pushing column, the main upper piston pushing disc is positioned above the front and rear displacement holes of the main upper pushing column, and the main left clamping sheet and the main right clamping sheet are fixedly arranged on the top of the rectangular main shell, the main needle cylinder is arranged between the main left clamping piece and the main right clamping piece, the main upper piston push disc is matched with the piston of the main needle cylinder in an abutting mode and comprises a rectangular auxiliary shell, an auxiliary mounting vertical plate, an auxiliary lower positioning cylinder, an auxiliary upper positioning cylinder, an auxiliary lower sliding sleeve, an auxiliary upper sliding sleeve, an auxiliary lower supporting spring, an auxiliary upper supporting spring, an auxiliary pull rod, an auxiliary upper push column, an auxiliary upper piston push disc, an auxiliary left clamping piece, an auxiliary right clamping piece and an auxiliary needle cylinder, the auxiliary mounting vertical plate is fixedly arranged in the rectangular auxiliary shell, the front end of the auxiliary lower positioning cylinder is fixedly arranged on the auxiliary mounting vertical plate, the front end of the auxiliary upper positioning cylinder is fixedly arranged on the auxiliary mounting vertical plate, an auxiliary crack is arranged between the auxiliary lower positioning cylinder and the auxiliary upper positioning cylinder, the auxiliary lower sliding sleeve is sleeved on the auxiliary lower positioning cylinder, the auxiliary upper sliding sleeve is sleeved on the auxiliary upper positioning cylinder, the top of the auxiliary lower sliding sleeve is connected with the bottom of the auxiliary upper sliding sleeve, the front end of the auxiliary pull rod is connected with the tail part of the auxiliary upper sliding sleeve, the rear end of the auxiliary pull rod is positioned outside the rectangular auxiliary shell, the auxiliary pull rod is positioned in the auxiliary crack, the front end of the auxiliary lower supporting spring is fixed on the tail part of the auxiliary lower sliding sleeve, the rear end of the auxiliary lower supporting spring is fixed on the tail part of the auxiliary lower positioning cylinder, the front end of the auxiliary upper supporting spring is fixed on the tail part of the auxiliary upper sliding sleeve, the rear end of the auxiliary upper supporting spring is fixed on the tail part of the auxiliary upper positioning cylinder, the auxiliary upper push column is fixedly arranged on the auxiliary upper sliding sleeve, the auxiliary upper piston push disc is fixedly arranged on the auxiliary upper push column, the rectangular auxiliary shell is provided with auxiliary upper push column front and rear displacement holes, the auxiliary upper push column extends out of the auxiliary upper push column front and rear displacement holes, the auxiliary upper piston push disc is positioned above the auxiliary upper push column front and rear displacement holes, the equal fixed mounting of vice left clamping piece and vice right clamping piece is on the top of rectangular pair of casing, vice cylinder is installed between vice left clamping piece and vice right clamping piece, vice piston pushing tray and the piston butt cooperation of vice cylinder of going up, the front end of rectangular pair of casing and the right side fixed connection of the rectangular main casing body, including connecting tee bend, tee junction post, L shape tee bend supporting shoe, L shape tee bend mounting groove rotation torsional spring and L shape tee bend mounting groove support column, L shape tee bend mounting groove support column fixed mounting is on the bottom plate of the rectangular main casing body, the rotatable installation of L shape tee bend mounting groove is on L shape tee bend mounting groove support column, L shape tee bend mounting groove rotation torsional spring housing is established on L shape tee bend mounting groove support column, the upper end fixed mounting of L shape tee bend mounting groove rotation torsional spring is in the bottom of L shape tee bend mounting groove, the lower end of the L-shaped tee joint mounting groove rotating torsion spring is fixedly mounted on an L-shaped tee joint mounting groove support column, the L-shaped tee joint support block is mounted in the L-shaped tee joint mounting groove, the lower end of the tee joint connection column is fixedly connected with the L-shaped tee joint support block, the upper end of the tee joint connection column is fixedly connected with a connection tee joint, an L-shaped opening is formed in a top plate of the rectangular main shell, the height of the connection tee joint is higher than that of the L-shaped tee joint mounting groove, the L-shaped tee joint support block, the L-shaped tee joint mounting groove and the L-shaped tee joint mounting groove support column are all located inside the rectangular main shell, the connection tee joint is located above the rectangular main shell and comprises a tee joint first interface, a tee joint second interface and a tee joint third interface, the tee joint first interface is connected with the main needle cylinder, and the tee joint second interface is connected with the auxiliary needle cylinder, the three-way third interface is connected with a needle head, the three-way third interface comprises a trigger pushing sleeve, a trigger transverse positioning column, a trigger spring, a trigger sleeve ring, a trigger block and a trigger block support, the front end of the trigger transverse positioning column is fixedly installed on a front vertical plate of a rectangular main shell, the trigger pushing sleeve ring is sleeved on the trigger transverse positioning column, the outer side of the trigger pushing sleeve is fixedly connected with the outer side of a main upper sliding sleeve, the trigger sleeve ring and the trigger spring are sleeved on the trigger transverse positioning column, the trigger sleeve ring is positioned between the trigger spring and the trigger pushing sleeve, the front end of the trigger spring is abutted against the inner wall of the rectangular main shell, the rear end of the trigger spring is abutted against the front end of the trigger pushing sleeve, the top of the trigger block is fixedly connected with the bottom of the trigger sleeve ring, the trigger block support is fixedly installed on a bottom plate of the rectangular main shell, the trigger block is movably sleeved on the trigger block support, the trigger hook head is arranged on the trigger block support, the trigger hook head is matched with an L-shaped three-way mounting groove, the trigger rocker comprises a trigger support column, a trigger roller support column is fixedly installed on the bottom of a main locking adjusting bolt, a main locking adjusting mounting plate is installed on the main locking support column, and a main locking adjusting bolt is installed on the main locking adjusting bolt mounting plate, the trigger adjusting bolt is installed on the main locking adjusting bolt, the trigger locking adjusting bolt mounting plate, the trigger locking adjusting bolt is installed on the trigger locking adjusting bolt mounting plate, the trigger locking adjusting bolt, a main lock adjusting bolt moving groove is arranged on the main lock upper adjusting mounting plate, the main lock adjusting bolt penetrates through the main lock adjusting bolt moving groove and is mounted on a main lock mounting shell, a main lock inserting column jack is arranged on the side portion of the main shell body which is rectangular in front of the main lock mounting shell, the main lock inserting column can be inserted into the main lock inserting column jack and matched with the main lower sliding sleeve, the main lock inserting column and a main lock inserting column supporting spring are both mounted in the main lock mounting shell, the front end of the main lock inserting column supporting spring is in butt fit with the tail end of the main lock inserting column, the tail end of the main lock inserting column supporting spring is in butt fit with the inner wall of the main lock mounting shell, a main lock mounting shell slit is arranged on the side portion of the main lock mounting shell, a main lock mounting shell slit notch is arranged on the main lock mounting shell, a main lock inserting column deflector rod is arranged on the side portion of the main lock inserting column, the main lock inserting column deflector rod extends out of the main lock inserting column deflector rod from the slit of the main lock mounting shell, and can be clamped on the main lock mounting shell notch,
therefore, when in use, the main needle cylinder extracts the ultrasonic contrast agent firstly, the auxiliary needle cylinder extracts the physiological saline firstly, the first port of the tee joint is connected with the main needle cylinder, the second port of the tee joint is connected with the auxiliary needle cylinder, the third port of the tee joint is connected with the needle head, then the spliced whole body is installed, at the moment, the connecting tee joint is installed on an L-shaped tee joint installation groove through an L-shaped tee joint supporting block, the main needle cylinder is installed between a main left clamping piece and a main right clamping piece, the auxiliary needle cylinder is installed between the auxiliary left clamping piece and an auxiliary right clamping piece, the L-shaped tee joint installation groove is hooked by the trigger hook head, so that the torsion force of the trigger spring acts on the L-shaped tee joint installation groove, then the main lock plunger is pulled and clamped on the slotted notch of the main lock installation shell, the main lock plunger leaves the main lower sliding sleeve, the main lower sliding sleeve is unlocked, and the main upper sliding sleeve and the main lower sliding sleeve rapidly move forwards under the action of the main upper supporting spring and the main supporting spring respectively, thereby driving the main upward pushing column to move forward rapidly, the main upward pushing column driving the main upward piston pushing disc to move forward rapidly, the main upward piston pushing disc driving the piston of the main needle cylinder to move forward rapidly, so that the ultrasonic contrast agent in the main needle cylinder is injected into the peripheral vein of the examined person rapidly, at the moment, the trigger pushing sleeve moving forward to push the trigger sleeve ring to move, the trigger sleeve ring moving forward to drive the trigger block to move, the trigger block moving to drive the trigger hook head, the trigger hook head moving away from the L-shaped three-way mounting groove, the L-shaped three-way mounting groove being unlocked, the L-shaped three-way mounting groove rotating under the torsion action of the trigger spring, the L-shaped three-way mounting groove rotating to drive the three-way connecting column rotating to drive the connecting three-way valve core to rotate to close the three-way first interface, the ultrasonic contrast agent injection channel is closed, and the generation of counter flow during the injection of physiological saline is avoided, so that the physiological saline does not enter the main syringe for injecting the ultrasonic contrast agent,
meanwhile, the trigger lantern ring moves forwards to push the trigger swing rod to swing, the trigger swing rod swings to drive the trigger idler wheel to leave the auxiliary upper sliding sleeve, the auxiliary upper sliding sleeve is unlocked, the auxiliary upper sliding sleeve and the auxiliary lower sliding sleeve move forwards rapidly under the action of the auxiliary upper supporting spring and the auxiliary lower supporting spring respectively, so that the auxiliary upper push column is driven to move forwards rapidly, the auxiliary upper push column drives the auxiliary upper piston push disc to move forwards rapidly, the auxiliary upper piston push disc drives the piston of the auxiliary needle cylinder to move forwards rapidly, and the physiological saline in the auxiliary needle cylinder is injected into the peripheral veins of the detected person rapidly,
when the injection dosage of the ultrasonic contrast agent needs to be adjusted, only the main lock adjusting bolt needs to be loosened to move the main lock inserted column, so that the diagnosis accuracy is greatly improved.
Furthermore, the main lower positioning cylinder is sleeved with a main lower cushion pad, the main lower cushion pad is matched with the main lower sliding sleeve, the main upper positioning cylinder is sleeved with a main upper cushion pad, the main upper cushion pad is matched with the main upper sliding sleeve, the auxiliary lower positioning cylinder is sleeved with an auxiliary lower cushion pad, the auxiliary lower cushion pad is matched with the auxiliary lower sliding sleeve, the auxiliary upper positioning cylinder is sleeved with an auxiliary upper cushion pad, the auxiliary upper cushion pad is matched with the auxiliary upper sliding sleeve, so that the heads of the main lower sliding sleeve and the main upper sliding sleeve respectively impact the main lower cushion pad and the main upper cushion pad, direct impact on the main mounting vertical plate is avoided, the heads of the auxiliary lower sliding sleeve and the auxiliary upper sliding sleeve respectively impact the auxiliary lower cushion pad and the auxiliary upper cushion pad, direct impact on the auxiliary mounting vertical plate is avoided, noise can be reduced, the auxiliary lower cushion pad is not easy to damage, and the use is longer.
Furthermore, the tail of the main pull rod is provided with a main circular pull disc, and the tail of the auxiliary pull rod is provided with an auxiliary circular pull disc, so that labor is saved when the main pull rod and the auxiliary pull rod are pulled.
Further, main left clamping piece and main right clamping piece are deformable's elasticity clamping piece, vice left clamping piece and vice right clamping piece are deformable's elasticity clamping piece for it is more convenient when laying main needle cylinder and vice needle cylinder, the installation of main needle cylinder and vice needle cylinder more firm.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is one of the schematic internal structural diagrams of a bolus mechanism of an ultrasound contrast agent with self-locking provided by the present invention;
FIG. 2 is a second schematic diagram of the internal structure of a bolus mechanism of an ultrasound contrast agent with self-locking provided by the present invention;
FIG. 3 is a third schematic diagram of the internal structure of a bolus mechanism of an ultrasound contrast agent with self-locking provided by the present invention;
FIG. 4 is a schematic structural diagram of a bolus mechanism of an ultrasound contrast agent with self-locking provided by the present invention;
FIG. 5 is one of the schematic structural diagrams of the main lock device of the self-locking ultrasound contrast agent injection mechanism provided by the present invention;
FIG. 6 is a second schematic structural diagram of a main lock device of a self-locking ultrasound contrast agent injection mechanism provided by the present invention;
fig. 7 is a third schematic structural diagram of a main lock device of a self-locking ultrasound contrast agent injection mechanism provided by the invention.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, an embodiment of a push mechanism for an ultrasound contrast medium with self-locking according to the present invention includes a rectangular main housing 1, a main mounting upright 1-1, a main lower positioning cylinder 2, a main upper positioning cylinder 3, a main lower sliding sleeve 4, a main upper sliding sleeve 5, a main lower supporting spring 6, a main upper supporting spring 7, a main pull rod 8, a main upper push column 9, a main upper piston push disk 10, a main left clamping piece 11, a main right clamping piece 12, a main needle cylinder 13 and a main lock device 14, wherein the main mounting upright 1-1 is fixedly mounted in the rectangular main housing 1, a front end of the main lower positioning cylinder 2 is fixedly mounted on the main mounting upright 1-1, a front end of the main upper positioning cylinder 3 is fixedly mounted on the main mounting upright 1-1, a main clamping gap 15 is provided between the main lower positioning cylinder 2 and the main upper positioning cylinder 3, the main lower sliding sleeve 4 is arranged on the main lower positioning cylinder 2, the main upper sliding sleeve 5 is arranged on the main upper positioning cylinder 3, the top of the main lower sliding sleeve 4 is connected with the bottom of the main upper sliding sleeve 5, the front end of the main pull rod 8 is connected with the tail of the main upper sliding sleeve 5, the rear end of the main pull rod 8 is positioned outside the rectangular main shell 1, the main pull rod 8 is positioned in the main crack 15, the front end of the main lower supporting spring 6 is fixed on the tail of the main lower sliding sleeve 4, the rear end of the main lower supporting spring 6 is fixed on the tail of the main lower positioning cylinder 2, the front end of the main upper supporting spring 7 is fixed on the tail of the main upper sliding sleeve 5, the rear end of the main upper supporting spring 7 is fixed on the tail of the main upper positioning cylinder 3, the main upper pushing column 9 is fixedly arranged on the main upper sliding sleeve 5, the main upper piston push disk 10 is fixedly arranged on a main upper push column 9, a main upper push column front and rear displacement hole is arranged on the rectangular main shell 1, the main upper push column 9 extends out of the main upper push column front and rear displacement hole, the main upper piston push disk 10 is positioned above the main upper push column front and rear displacement hole, the main left clamping piece 11 and the main right clamping piece 12 are both fixedly arranged on the top of the rectangular main shell 1, the main needle cylinder 13 is arranged between the main left clamping piece 11 and the main right clamping piece 12, the main upper piston push disk 10 is in butt fit with a piston of the main needle cylinder 13 and comprises a rectangular auxiliary shell 16, an auxiliary mounting vertical plate 17, an auxiliary lower positioning column 18, an auxiliary upper positioning column 19, an auxiliary lower sliding sleeve 20, an auxiliary upper sliding sleeve 21, an auxiliary lower supporting spring 22, an auxiliary upper supporting spring 23, an auxiliary pull rod 24, an auxiliary upper push column 25, an auxiliary upper piston push disk 26, an auxiliary left clamping piece 27, an auxiliary right clamping piece 28 and an auxiliary needle cylinder 29, the auxiliary mounting vertical plate 17 is fixedly mounted in a rectangular auxiliary housing 16, the front end of an auxiliary lower positioning cylinder 18 is fixedly mounted on the auxiliary mounting vertical plate 17, the front end of an auxiliary upper positioning cylinder 19 is fixedly mounted on the auxiliary mounting vertical plate 17, an auxiliary crack 31 is formed between the auxiliary lower positioning cylinder 18 and the auxiliary upper positioning cylinder 19, an auxiliary lower sliding sleeve 20 is arranged on the auxiliary lower positioning cylinder 18, an auxiliary upper sliding sleeve 21 is arranged on the auxiliary upper positioning cylinder 19, the top of the auxiliary lower sliding sleeve 20 is connected with the bottom of the auxiliary upper sliding sleeve 21, the front end of an auxiliary pull rod 24 is connected with the tail of the auxiliary upper sliding sleeve 21, the rear end of the auxiliary pull rod 24 is positioned outside the rectangular auxiliary housing 16, the auxiliary pull rod 24 is positioned in the auxiliary crack 31, the front end of an auxiliary lower supporting spring 22 is fixed on the tail of the auxiliary lower sliding sleeve 20, and the rear end of the auxiliary lower supporting spring 22 is fixed on the tail of the auxiliary lower positioning cylinder 18, the front end of the auxiliary upper supporting spring 23 is fixed on the tail of the auxiliary upper sliding sleeve 21, the rear end of the auxiliary upper supporting spring 23 is fixed on the tail of the auxiliary upper positioning cylinder 19, the auxiliary upper pushing column 25 is fixedly installed on the auxiliary upper sliding sleeve 21, the auxiliary upper piston pushing disc 26 is fixedly installed on the auxiliary upper pushing column 25, the rectangular auxiliary shell 16 is provided with an auxiliary upper pushing column front and rear displacement hole, the auxiliary upper pushing column 25 extends out of the auxiliary upper pushing column front and rear displacement hole, the auxiliary upper piston pushing disc 26 is positioned above the auxiliary upper pushing column front and rear displacement hole, the auxiliary left clamping disc 27 and the auxiliary right clamping disc 28 are fixedly installed on the top of the rectangular auxiliary shell 16, the auxiliary needle cylinder 29 is installed between the auxiliary left clamping disc 27 and the auxiliary right clamping disc 28, the auxiliary upper piston pushing disc 26 is matched with the piston of the auxiliary needle cylinder 29 in a butting way, the front end of the rectangular auxiliary shell 16 is fixedly connected with the right side part of the rectangular main shell 1, the L-shaped tee joint installation structure comprises a connecting tee joint a1, a tee joint connection post a2, an L-shaped tee joint support block a3, an L-shaped tee joint installation groove a4, an L-shaped tee joint installation groove rotary torsion spring a8 and an L-shaped tee joint installation groove support post a5, wherein the L-shaped tee joint installation groove support post a5 is fixedly arranged on the bottom plate of a rectangular main shell 1, the L-shaped tee joint installation groove a4 is rotatably arranged on the L-shaped tee joint installation groove support post a5, the L-shaped tee joint installation groove rotary torsion spring a8 is sleeved on the L-shaped tee joint installation groove support post a5, the upper end of the L-shaped tee joint installation groove rotary torsion spring a8 is fixedly arranged at the bottom of the L-shaped tee joint installation groove a4, the lower end of the L-shaped tee joint installation groove rotary torsion spring a8 is fixedly arranged on the L-shaped tee joint installation groove support post a5, the L-shaped tee joint support block is arranged in the L-shaped tee joint installation groove a4, and the lower end of the tee joint connection post a2 is fixedly connected with the L-shaped tee joint support block a3, the upper end of the tee joint connecting post a2 is fixedly connected with a connecting tee joint a1, an L-shaped opening a6 is arranged on a top plate of the rectangular main shell 1, the connecting tee joint a1 is higher than an L-shaped tee joint mounting groove a4, the L-shaped tee joint supporting block a3, the L-shaped tee joint mounting groove a4 and the L-shaped tee joint mounting groove supporting post a5 are all positioned inside the rectangular main shell 1, the connecting tee joint a1 is positioned above the rectangular main shell 1, the connecting tee joint a1 comprises a tee joint first interface, a tee joint second interface and a tee joint third interface, the tee joint first interface is connected with a main needle cylinder 13, the tee joint second interface is connected with an auxiliary needle cylinder 29, the tee joint third interface is connected with a needle head a7 which comprises a triggering pushing sleeve a9, a triggering transverse positioning post a10, a triggering spring a11, a triggering sleeve ring a12, a triggering block a13 and a triggering block support a14, the front end of the trigger transverse positioning column a10 is fixedly arranged on the front vertical plate of the rectangular main shell 1, the trigger pushing sleeve a9 is sleeved on the trigger transverse positioning column a10, the outer side of the trigger pushing sleeve a9 is fixedly connected with the outer side of the main upper sliding sleeve 5, the trigger sleeve a12 and the trigger spring a11 are both sleeved on the trigger transverse positioning column a10, the trigger sleeve a12 is positioned between the trigger spring a11 and the trigger pushing sleeve a9, the front end of the trigger spring a11 is abutted against the inner wall of the rectangular main shell 1, the rear end of the trigger spring a11 is abutted against the front end of the trigger pushing sleeve a9, the top of the trigger block a13 is fixedly connected with the bottom of the trigger sleeve a12, the trigger block support a14 is fixedly arranged on the bottom plate of the rectangular main shell 1, the trigger block a13 is sleeved on the movable trigger block support a14, and the trigger block a13 is provided with a trigger hook head a15, the trigger hook head a15 is matched with the L-shaped three-way mounting groove a4 and comprises a trigger swing rod c1, a trigger swing rod supporting column c2 and a trigger roller c3, the trigger swing rod supporting column c2 is fixedly mounted on a bottom plate of a rectangular auxiliary shell 16, the trigger swing rod c1 is mounted on the trigger swing rod supporting column c2 in an opening and swinging mode, the trigger roller c3 is mounted at the front end of the trigger swing rod c1, the rear end of the trigger swing rod c1 is fixed on a trigger sleeve ring a12, the trigger roller c3 is in butt fit with an auxiliary upper sliding sleeve 21, the main lock device 14 comprises a main lock mounting shell 1-2, a main lock inserting column 1-3, a main lock inserting column supporting spring 1-4, a main lock upper adjusting mounting plate e1, a main lock lower adjusting mounting plate e2 and a main lock adjusting bolt e3, the main lock mounting shell 1-2 is movably mounted between a main lock upper adjusting mounting plate e1 and a main lock lower adjusting mounting plate e2, a main lock adjusting bolt moving groove e4 is arranged on the main lock upper adjusting mounting plate e1, the main lock adjusting bolt e3 penetrates through the main lock adjusting bolt moving groove e4 to be mounted on the main lock mounting shell 1-2, a main lock inserting column inserting hole is arranged on the side part of the main rectangular main shell 1 in front of the main lock mounting shell 1-2, the main lock inserting column 1-3 can be inserted into the main lock inserting column inserting hole to be matched with the main lower sliding sleeve 4, the main lock inserting column 1-3 and the main lock inserting column supporting spring 1-4 are both mounted in the main lock mounting shell 1-2, the front end of the main lock inserting column supporting spring 1-4 is in butt fit with the tail end of the main lock inserting column 1-3, the tail end of the main lock inserting column supporting spring 1-4 is in butt fit with the inner wall of the main lock mounting shell 1-2, the side portion of the main lock mounting shell 1-2 is provided with a main lock mounting shell slit 1-6, a main lock mounting shell slit notch 1-7 is formed in the main lock mounting shell slit 1-6, a main lock inserting column driving lever 1-8 is formed in the side portion of the main lock inserting column 1-3, the main lock inserting column driving lever 1-8 extends out of the main lock mounting shell slit 1-6, the main lock inserting column driving lever 1-8 can be clamped in the main lock mounting shell slit notch 1-7, a main lower buffer pad is sleeved on the main lower positioning cylinder 2 and matched with a main lower sliding sleeve 4, a main upper buffer pad is sleeved on the main upper positioning cylinder 3 and matched with a main upper sliding sleeve 5, an auxiliary lower buffer pad is sleeved on the auxiliary lower positioning cylinder 18 and matched with an auxiliary lower sliding sleeve 20, an auxiliary upper buffer pad is sleeved on the auxiliary upper positioning cylinder 19 and matched with an auxiliary upper sliding sleeve 21, a main circular pull disc is arranged at the tail portion of the main pull rod 8, an auxiliary pull rod 24 is provided with an auxiliary circular pull disc, and an auxiliary elastic clamping piece is arranged at the tail portion of the main pull rod 24, and an auxiliary flexible clamping piece is a left flexible clamping piece and a right flexible clamping piece 27, and the main flexible clamping piece is arranged at the main lock mounting shell 11 and the main lock mounting shell.
As required, detailed embodiments of the present invention are disclosed herein, but it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Claims (1)
1. Take ultrasonic contrast medium's of auto-lock bolus mechanism, its characterized in that: comprises a rectangular main shell (1), a main mounting vertical plate (1-1), a main lower positioning cylinder (2), a main upper positioning cylinder (3), a main lower sliding sleeve (4), a main upper sliding sleeve (5), a main lower supporting spring (6), a main upper supporting spring (7), a main pull rod (8), a main push column (9), a main upper piston push disc (10), a main left clamping piece (11), a main right clamping piece (12), a main needle cylinder (13) and a main locking device (14), wherein the main mounting vertical plate (1-1) is fixedly mounted in the rectangular main shell (1), the front end of the main lower positioning cylinder (2) is fixedly mounted on the main mounting vertical plate (1-1), the front end of the main upper positioning cylinder (3) is fixedly mounted on the main mounting vertical plate (1-1), a main crack (15) is arranged between the main lower positioning cylinder (2) and the main upper positioning cylinder (3), the main lower sliding sleeve (4) is arranged on the main lower positioning cylinder (2), the main upper sliding sleeve (5) is arranged on the main lower positioning cylinder (3), the main upper sliding sleeve (5) and the main pull rod (8) is connected with the main lower positioning cylinder (5), the main pull rod (8) is positioned in the main crack (15), the front end of the main lower supporting spring (6) is fixed on the tail part of the main lower sliding sleeve (4), the rear end of the main lower supporting spring (6) is fixed on the tail part of the main lower positioning cylinder (2), the front end of the main upper supporting spring (7) is fixed on the tail part of the main upper sliding sleeve (5), the rear end of the main upper supporting spring (7) is fixed on the tail part of the main upper positioning cylinder (3), the main upper push column (9) is fixedly arranged on the main upper sliding sleeve (5), the main upper piston push disc (10) is fixedly arranged on the main upper push column (9), be equipped with main front and back displacement hole of post that pushes away on rectangular main casing body (1), main front and back displacement hole of post that pushes away is stretched out in main front and back displacement hole of post (9) follow main front and back of pushing away, main piston pushing away dish (10) is located main front and back displacement hole top of post that pushes away, main left clamping piece (11) and main right clamping piece (12) equal fixed mounting are on the top of rectangular main casing body (1), install between main left clamping piece (11) and main right clamping piece (12) main needle cylinder (13), main piston pushing away dish (10) and the piston butt cooperation of main needle cylinder (13), including rectangular vice casing (16), vice installation riser (17), vice location cylinder (18) down, vice location cylinder (19) of going up in, vice, an auxiliary lower sliding sleeve (20), an auxiliary upper sliding sleeve (21), an auxiliary lower supporting spring (22), an auxiliary upper supporting spring (23), an auxiliary pull rod (24), an auxiliary upper push column (25), an auxiliary upper piston push disc (26), an auxiliary left clamping piece (27), an auxiliary right clamping piece (28) and an auxiliary needle cylinder (29), wherein the auxiliary mounting vertical plate (17) is fixedly mounted in a rectangular auxiliary shell (16), the front end of the auxiliary lower positioning cylinder (18) is fixedly mounted on the auxiliary mounting vertical plate (17), the front end of the auxiliary upper positioning cylinder (19) is fixedly mounted on the auxiliary mounting vertical plate (17), an auxiliary crack (31) is arranged between the auxiliary lower positioning cylinder (18) and the auxiliary upper positioning cylinder (19), the utility model discloses a support structure for a vehicle, including auxiliary lower sliding sleeve (20) establish on auxiliary lower positioning cylinder (18), establish on auxiliary upper positioning cylinder (19) auxiliary upper sliding sleeve (21), the top of auxiliary lower sliding sleeve (20) is connected with the bottom of auxiliary upper sliding sleeve (21), the front end of auxiliary pull rod (24) and the end-to-end connection of auxiliary upper sliding sleeve (21), the rear end of auxiliary pull rod (24) is located outside rectangular auxiliary shell (16), auxiliary pull rod (24) are located auxiliary crack (31), the front end of auxiliary under bracing spring (22) is fixed on the afterbody of auxiliary lower sliding sleeve (20), the rear end of auxiliary under bracing spring (22) is fixed at the afterbody of auxiliary lower positioning cylinder (18) On, the front end of vice last supporting spring (23) is fixed on the afterbody of vice last sliding sleeve (21), the rear end of vice last supporting spring (23) is fixed on the afterbody of vice last positioning cylinder (19), vice post (25) fixed mounting is gone up on vice sliding sleeve (21), vice piston pushing tray (26) fixed mounting is gone up on vice post (25), be equipped with vice post displacement hole around going up on rectangular vice casing (16), vice post (25) of going up stretches out in the vice post displacement hole around going up pushing column, vice piston pushing tray (26) of going up is located vice post displacement hole top around going up, vice left side clamping piece (27) and vice right clamping piece (28) equal fixed mounting are on the top of the vice rectangular casing (16) of main casing, vice needle cylinder (29) is installed between vice left side clamping piece (27) and vice right clamping piece (28), vice piston pushing tray (26) and vice needle cylinder (29)'s piston butt cooperation, the rectangle casing (16) of main casing is installed on vice tee bend L5 a fixed mounting groove (5 a) and tee bend L shape mounting groove (5 a) fixed mounting groove (5 a), tee bend L shape mounting groove (5 a) and tee bend L shape mounting groove (5 a) are connected on vice tee bend L shape mounting groove (5 a) and tee bend L shape mounting groove (1 a) L shape mounting groove (5 a) 2 a (1 a) on vice clamping groove (3, the rotatable installation of L shape tee bend mounting groove (a 4) is on L shape tee bend mounting groove support column (a 5), L shape tee bend mounting groove rotates torsional spring (a 8) cover and establishes on L shape tee bend mounting groove support column (a 5), the upper end fixed mounting of L shape tee bend mounting groove rotation torsional spring (a 8) is in the bottom of L shape tee bend mounting groove (a 4), the lower extreme fixed mounting of L shape tee bend mounting groove rotation torsional spring (a 8) is on L shape tee bend mounting groove support column (a 5), L shape tee bend supporting shoe is installed in L shape tee bend mounting groove (a 4), the lower extreme and the L shape tee bend supporting shoe (a 3) fixed connection of tee bend connecting post (a 2), the upper end and the connection tee bend (a 1) fixed connection of tee bend connecting post (a 2), be equipped with L shape trompil (a 6) on the roof of rectangular main casing body (1), the height of connecting tee bend (a 1) is higher than the height of L shape tee bend mounting groove (a 4), L shape tee bend supporting shoe (a 3), L shape tee bend mounting groove (a 4) and L shape tee bend mounting groove (a 5) are located the first tee bend interface connection needle cylinder and the second tee bend interface connection needle cylinder (a 13), the three-way third interface is connected with a needle head (a 7), the three-way third interface comprises a trigger pushing sleeve (a 9), a trigger transverse positioning column (a 10), a trigger spring (a 11), a trigger sleeve ring (a 12), a trigger block (a 13) and a trigger block support (a 14), the front end of the trigger transverse positioning column (a 10) is fixedly installed on a front vertical plate of a rectangular main shell (1), the trigger pushing sleeve (a 9) is sleeved on the trigger transverse positioning column (a 10), the outer side of the trigger pushing sleeve (a 9) is fixedly connected with the outer side of a main upper sliding sleeve (5), the trigger sleeve ring (a 12) and the trigger spring (a 11) are both sleeved on the trigger transverse positioning column (a 10), the trigger sleeve ring (a 12) is positioned between the trigger spring (a 11) and the trigger pushing sleeve (a 9), the front end of the trigger spring (a 11) is abutted against the inner wall of the rectangular main shell (1), the rear end of the trigger spring (a 11) is abutted against the front end of the trigger pushing sleeve (a 9), the trigger block (a 13) is fixedly installed on the top of the trigger sleeve ring (a 12), and the trigger block support (a) are fixedly installed on a movable trigger hook block (14), and the trigger block (a 14) is arranged on the trigger head fixing support (a) and a 14), the device comprises a trigger swing rod (c 1), a trigger swing rod supporting column (c 2) and a trigger roller (c 3), wherein the trigger swing rod supporting column (c 2) is fixedly arranged on a bottom plate of a rectangular auxiliary shell (16), the trigger swing rod (c 1) is arranged on the trigger swing rod supporting column (c 2) in an opening and swinging mode, the trigger roller (c 3) is arranged at the front end of the trigger swing rod (c 1), the rear end of the trigger swing rod (c 1) is fixed on a trigger sleeve ring (a 12), the trigger roller (c 3) is in butt fit with an auxiliary upper sliding sleeve (21), the main lock device (14) comprises a main lock mounting shell (1-2), a main lock inserting column (1-3), a main lock inserting column supporting spring (1-4), a main lock upper adjusting mounting plate (e 1), a main lock lower adjusting mounting plate (e 2) and a main lock adjusting bolt (e 3), wherein the main lock mounting shell (1-2) is movably mounted between the main lock upper adjusting mounting plate (e 1) and the main lock lower adjusting mounting plate (e 2), a main lock adjusting bolt moving groove (e 4) is formed in the main lock upper adjusting mounting plate (e 1), the main lock adjusting bolt (e 3) penetrates through the main lock adjusting bolt moving groove (e 4) to be mounted on the main lock mounting shell (1-2), and a main lock inserting column inserting hole is formed in the side part of the rectangular main shell (1) in front of the main lock mounting shell (1-2), the main lock plunger (1-3) can be inserted into a main lock plunger jack to be matched with a main lower sliding sleeve (4), the main lock plunger (1-3) and a main lock plunger support spring (1-4) are both arranged in a main lock mounting shell (1-2), the front end of the main lock plunger support spring (1-4) is in butt fit with the tail end of the main lock plunger (1-3), the tail end of the main lock plunger support spring (1-4) is in butt fit with the inner wall of the main lock mounting shell (1-2), a main lock mounting shell slit (1-6) is arranged on the side part of the main lock mounting shell (1-2), a main lock mounting shell slit notch (1-7) is arranged on the main lock mounting shell slit (1-6), a main lock plunger driving lever (1-8) is arranged on the side part of the main lock plunger (1-3), the main lock plunger driving lever (1-8) extends out of the main lock mounting shell (1-6), and the main lock plunger driving lever (1-8) can be arranged on the main lock mounting shell slit (1-7);
a main lower buffer pad is sleeved on the main lower positioning cylinder (2), the main lower buffer pad is matched with the main lower sliding sleeve (4), a main upper buffer pad is sleeved on the main upper positioning cylinder (3), the main upper buffer pad is matched with the main upper sliding sleeve (5), an auxiliary lower buffer pad is sleeved on the auxiliary lower positioning cylinder (18), the auxiliary lower buffer pad is matched with the auxiliary lower sliding sleeve (20), an auxiliary upper buffer pad is sleeved on the auxiliary upper positioning cylinder (19), and the auxiliary upper buffer pad is matched with the auxiliary upper sliding sleeve (21);
the tail of the main pull rod (8) is provided with a main circular pull disc, and the tail of the auxiliary pull rod (24) is provided with an auxiliary circular pull disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123404.5A CN106730131B (en) | 2016-12-08 | 2016-12-08 | Self-locking push mechanism for ultrasonic contrast medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123404.5A CN106730131B (en) | 2016-12-08 | 2016-12-08 | Self-locking push mechanism for ultrasonic contrast medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106730131A CN106730131A (en) | 2017-05-31 |
| CN106730131B true CN106730131B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611123404.5A Active CN106730131B (en) | 2016-12-08 | 2016-12-08 | Self-locking push mechanism for ultrasonic contrast medium |
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| US5788673A (en) * | 1995-06-05 | 1998-08-04 | Atrion Medical Products, Inc. | Drug infusion system |
| EP1016427A2 (en) * | 1998-12-28 | 2000-07-05 | Nemoto Kyorindo Co., Ltd. | A method and device for filing a syringe with a chemical solution |
| CN200948276Y (en) * | 2006-08-30 | 2007-09-19 | 徐州天荣医疗通讯设备有限公司 | Pushing and pulling synchronous type pill ejector jet pump |
| CN102580197A (en) * | 2002-12-17 | 2012-07-18 | 西拉格国际有限公司 | Injection device |
| CN205215876U (en) * | 2015-11-25 | 2016-05-11 | 高卫珍 | Endocrine disease injection positioner |
| CN206534943U (en) * | 2016-12-08 | 2017-10-03 | 温州医科大学附属第二医院 | The injecting mechanism of acoustic contrast agent with self-locking |
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2016
- 2016-12-08 CN CN201611123404.5A patent/CN106730131B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5788673A (en) * | 1995-06-05 | 1998-08-04 | Atrion Medical Products, Inc. | Drug infusion system |
| EP1016427A2 (en) * | 1998-12-28 | 2000-07-05 | Nemoto Kyorindo Co., Ltd. | A method and device for filing a syringe with a chemical solution |
| CN102580197A (en) * | 2002-12-17 | 2012-07-18 | 西拉格国际有限公司 | Injection device |
| CN200948276Y (en) * | 2006-08-30 | 2007-09-19 | 徐州天荣医疗通讯设备有限公司 | Pushing and pulling synchronous type pill ejector jet pump |
| CN205215876U (en) * | 2015-11-25 | 2016-05-11 | 高卫珍 | Endocrine disease injection positioner |
| CN206534943U (en) * | 2016-12-08 | 2017-10-03 | 温州医科大学附属第二医院 | The injecting mechanism of acoustic contrast agent with self-locking |
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| CN106730131A (en) | 2017-05-31 |
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