CN106474584B - Mechanical ultrasonic contrast agent injection device - Google Patents
Mechanical ultrasonic contrast agent injection device Download PDFInfo
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- CN106474584B CN106474584B CN201611124637.7A CN201611124637A CN106474584B CN 106474584 B CN106474584 B CN 106474584B CN 201611124637 A CN201611124637 A CN 201611124637A CN 106474584 B CN106474584 B CN 106474584B
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
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Abstract
The ultrasonic contrast agent mechanical injection 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 sheet, a main right clamping sheet, a main needle cylinder and a main lock.
Description
Technical Field
The invention relates to a mechanical pushing device for 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.
At present, the operation method in this link is to inject the ultrasound contrast agent and the physiological saline manually, so that the ultrasound contrast agent and the physiological saline cannot be injected into the peripheral veins of the examined person quickly, the ultrasound contrast agent cannot reach the heart quickly, and the diagnosis accuracy is low.
Disclosure of Invention
In view of the above technical problems, the present invention provides: the device has simple structure, can quickly inject the ultrasonic contrast agent and the physiological saline into the peripheral veins of the examined person, and has high diagnosis accuracy.
In order to solve the technical problems, the invention adopts the following technical scheme: the mechanical pushing device for the 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 pushing column, a main upper piston pushing disc, a main left clamping sheet, a main right clamping sheet, a main needle cylinder and a main lock, 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 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 in butt joint with a piston of the main needle cylinder, the ultrasonic contrast agent mechanical injection device further 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, an auxiliary needle cylinder and an auxiliary lock, wherein 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 arranged on the auxiliary lower positioning cylinder, the auxiliary upper positioning cylinder is arranged 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 the 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, a front and rear displacement hole of the auxiliary upper push column is formed in the rectangular auxiliary shell, the auxiliary upper push column extends out from the front and rear displacement hole of the auxiliary upper push column, the auxiliary upper piston push disc is positioned above a front displacement hole and a rear displacement hole of the auxiliary upper push column, the auxiliary left clamping piece and the auxiliary right clamping piece are fixedly installed on the top of a rectangular auxiliary shell, the auxiliary needle cylinder is installed between the auxiliary left clamping piece and the auxiliary right clamping piece, the auxiliary upper piston push disc is matched with the piston butt of the auxiliary needle cylinder, the front end of the rectangular auxiliary shell is fixedly connected with the right side part of the rectangular main shell, the ultrasonic contrast agent mechanical injection device further comprises a connecting tee, a tee connecting post, a T-shaped tee supporting block, a T-shaped tee mounting groove and a T-shaped tee mounting groove supporting post, the T-shaped tee mounting groove supporting post is fixedly installed on the bottom plate of the rectangular main shell, the T-shaped tee mounting groove is fixedly installed on the T-shaped tee mounting groove supporting post, the T-shaped tee supporting block is installed in the T-shaped tee mounting groove, the lower end of the tee connecting post is fixedly connected with the T-shaped tee, a T-shaped opening is arranged on the top plate of the main shell, the tee connecting main needle cylinder is connected with the main needle interface, the main needle interface lock comprises a main needle interface, the main needle interface lock, the auxiliary needle interface lock is connected with the main needle cylinder, the main needle interface lock, the auxiliary needle cylinder lock is connected with the main needle cylinder, the auxiliary needle cylinder lock, and the auxiliary needle cylinder lock, the main lock mounting shell is characterized in that 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 slit, 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 mounting shell slit, the main lock inserting column deflector rod can be clamped on the main lock mounting shell slit notch, and the auxiliary lock comprises an auxiliary lock mounting shell, an auxiliary lock inserting column and an auxiliary lock inserting column supporting spring, the auxiliary lock mounting shell is fixedly mounted on the side portion of the rectangular auxiliary shell, an auxiliary lock inserting column inserting hole is formed in the side portion of the rectangular auxiliary shell in front of the auxiliary lock mounting shell, the auxiliary lock inserting column can be inserted into the auxiliary lock inserting column inserting hole to be matched with the auxiliary lower sliding sleeve, the auxiliary lock inserting column and the auxiliary lock inserting column supporting spring are both mounted in the auxiliary lock mounting shell, the front end of the auxiliary lock inserting column supporting spring is in butt fit with the tail end of the auxiliary lock inserting column, the tail end of the auxiliary lock inserting column supporting spring is in butt fit with the inner wall of the auxiliary lock mounting shell, an auxiliary lock mounting shell slit is formed in the side portion of the auxiliary lock mounting shell, an auxiliary lock mounting shell slit notch is formed in the auxiliary lock mounting shell, an auxiliary lock inserting column driving lever is arranged on the side portion of the auxiliary lock inserting column, and the auxiliary lock inserting column driving lever extends out of the auxiliary lock mounting shell slit, the auxiliary lock inserting column deflector rod can be clamped on the auxiliary lock mounting shell slotted notch.
The mechanical ultrasonic contrast agent injection device provided by the invention has the beneficial effects that: the main mounting vertical plate is fixedly arranged in the rectangular main shell, the front end of the main lower positioning cylinder is fixedly arranged on the main mounting vertical plate, the front end of the main upper positioning cylinder is fixedly arranged 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 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 a main left clamping piece and a main right clamping piece, the main upper piston push disc is in butt fit with a piston of the main needle cylinder, the ultrasonic contrast agent mechanical injection device further 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, an auxiliary needle cylinder and an auxiliary lock, 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 arranged on the auxiliary lower positioning cylinder, the auxiliary upper sliding sleeve is arranged 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 the 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, a front and rear displacement hole of the auxiliary upper push column is formed in the rectangular auxiliary shell, the auxiliary upper push column extends out from the front and rear displacement hole of the auxiliary upper push column, the auxiliary upper piston push disc is positioned above a front displacement hole and a rear displacement hole of the auxiliary upper push column, the auxiliary left clamping piece and the auxiliary right clamping piece are fixedly installed on the top of a rectangular auxiliary shell, the auxiliary needle cylinder is installed between the auxiliary left clamping piece and the auxiliary right clamping piece, the auxiliary upper piston push disc is matched with the piston butt of the auxiliary needle cylinder, the front end of the rectangular auxiliary shell is fixedly connected with the right side part of the rectangular main shell, the ultrasonic contrast agent mechanical injection device further comprises a connecting tee, a tee connecting post, a T-shaped tee supporting block, a T-shaped tee mounting groove and a T-shaped tee mounting groove supporting post, the T-shaped tee mounting groove supporting post is fixedly installed on the bottom plate of the rectangular main shell, the T-shaped tee mounting groove is fixedly installed on the T-shaped tee mounting groove supporting post, the T-shaped tee supporting block is installed in the T-shaped tee mounting groove, the lower end of the tee connecting post is fixedly connected with the connecting tee, a T-shaped tee opening is arranged on the top plate of the main shell, the tee connecting main needle cylinder is connected with a third main needle port, the main needle port lock is connected with a third needle port, and the main needle port lock is connected with the main needle port lock, the main lock mounting shell is characterized in that a main lock inserting column jack is arranged on the side portion of the rectangular main shell body in front of the main lock mounting shell, a main lock inserting column can be inserted into the main lock inserting column jack and matched with a 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 driving lever is arranged on the side portion of the main lock inserting column, the main lock inserting column driving lever extends out of the main lock mounting shell slit, the main lock inserting column driving lever can be clamped on the main lock mounting shell slit notch, and the auxiliary lock inserting column supporting spring comprises an auxiliary lock mounting shell, an auxiliary lock inserting column driving lever and an auxiliary lock inserting column supporting spring, the auxiliary lock mounting shell is fixedly mounted on the side portion of the rectangular auxiliary shell, an auxiliary lock inserting column inserting hole is formed in the side portion of the rectangular auxiliary shell in front of the auxiliary lock mounting shell, the auxiliary lock inserting column can be inserted into the auxiliary lock inserting column inserting hole to be matched with the auxiliary lower sliding sleeve, the auxiliary lock inserting column and the auxiliary lock inserting column supporting spring are both mounted in the auxiliary lock mounting shell, the front end of the auxiliary lock inserting column supporting spring is in butt fit with the tail end of the auxiliary lock inserting column, the tail end of the auxiliary lock inserting column supporting spring is in butt fit with the inner wall of the auxiliary lock mounting shell, an auxiliary lock mounting shell slit is formed in the side portion of the auxiliary lock mounting shell, an auxiliary lock mounting shell slit notch is formed in the auxiliary lock mounting shell, an auxiliary lock inserting column driving lever is arranged on the side portion of the auxiliary lock inserting column, and the auxiliary lock inserting column driving lever extends out of the auxiliary lock mounting shell slit, the auxiliary lock inserting column deflector rod can be clamped on the auxiliary lock mounting shell slotted notch, therefore, when in use, the main needle cylinder firstly extracts the ultrasonic contrast agent, the auxiliary needle cylinder firstly extracts the physiological saline, the first interface of the tee joint is connected with the main needle cylinder, the second interface of the tee joint is connected with the auxiliary needle cylinder, the third interface of the tee joint is connected with the needle head, then the spliced whole body is mounted, at the moment, the connecting tee joint is mounted on the T-shaped tee joint mounting groove through the T-shaped tee joint supporting block, the main needle cylinder is mounted between the main left clamping piece and the main right clamping piece, the auxiliary needle cylinder is mounted between the auxiliary left clamping piece and the auxiliary right clamping piece, then pulling a main lock plunger deflector rod and clamping the main lock plunger deflector rod on a main lock mounting shell slotted notch, enabling the main lock plunger to leave the main lower sliding sleeve, releasing the locking of the main lower sliding sleeve, enabling the main upper sliding sleeve and the main lower sliding sleeve to rapidly move forwards under the action of a main upper supporting spring and a main lower supporting spring respectively, thereby driving the main upward pushing column to move forward rapidly, driving the main upward piston pushing disc to move forward rapidly, driving the piston of the main needle cylinder to move forward rapidly by the main upward piston pushing disc, so that the ultrasonic contrast medium in the main needle cylinder is injected into the peripheral vein of the examined person rapidly, then pulling the auxiliary lock plunger deflector rod and clamping the auxiliary lock plunger deflector rod on the slotted notch of the auxiliary lock mounting shell, wherein the auxiliary lock plunger is separated from the main lower sliding sleeve, the auxiliary lower sliding sleeve is unlocked, the auxiliary upper sliding sleeve and the auxiliary lower sliding sleeve respectively and rapidly move forwards under the action of an auxiliary upper supporting spring and an auxiliary lower supporting spring, thereby driving the auxiliary upper pushing column to move forward rapidly, the auxiliary upper pushing column driving the auxiliary upper piston pushing disc to move forward rapidly, the auxiliary upper piston pushing disc driving the piston of the auxiliary needle cylinder to move forward rapidly, so that the physiological saline in the auxiliary syringe can be quickly injected into the peripheral veins of the detected person, and the diagnosis accuracy is greatly improved.
Further, 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 on 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 on 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 damage is avoided, and the use is more permanent.
Furthermore, the tail part of the main pull rod is provided with a main circular pull disc, and the tail part 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 a schematic structural diagram of a mechanical bolus injection device for ultrasound contrast agents provided by the present invention;
FIG. 2 is one of the schematic internal structural diagrams of the mechanical ultrasound contrast agent injecting device provided by the present invention;
FIG. 3 is a second schematic structural diagram of a mechanical ultrasound contrast agent injector provided in the present invention;
FIG. 4 is a second schematic diagram of the internal structure of the mechanical ultrasound contrast agent injecting device provided by the present invention;
FIG. 5 is one of the schematic structural diagrams of the main lock of the mechanical ultrasound contrast agent injector provided by the present invention;
FIG. 6 is a second schematic structural diagram of a main lock of the mechanical ultrasound contrast agent injector provided in the present invention;
FIG. 7 is a schematic view of a secondary lock of the mechanical push injection device for ultrasound contrast media provided by the present invention;
fig. 8 is a second schematic structural diagram of a secondary lock of the mechanical ultrasound contrast agent injection device provided by the present invention.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, an embodiment of a mechanical ultrasound contrast agent injection device provided by 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 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 pushing disc 10 is fixedly arranged on a main upper pushing column 9, a main upper pushing column front and rear displacement hole is arranged on the rectangular main shell 1, the main upper pushing column 9 extends out of the main upper pushing column front and rear displacement hole, the main upper piston pushing disc 10 is positioned above the main upper pushing 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 pushing disc 10 is in butt fit with a piston of the main needle cylinder 13, the ultrasonic contrast agent mechanical injection device further comprises a rectangular auxiliary shell 16, an auxiliary mounting vertical plate 17, an auxiliary lower positioning cylinder 18, an auxiliary upper positioning cylinder 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 pushing column 25, an auxiliary upper piston pushing disc 26, an auxiliary left clamping piece 27, an auxiliary right clamping piece 28, an auxiliary needle cylinder 29 and an auxiliary lock 30, 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, and the front end of an auxiliary lower supporting spring 22 is fixed on the tail of the auxiliary lower sliding sleeve 20, 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 auxiliary upper pushing column front and rear displacement holes, the auxiliary upper pushing column 25 extends out of the auxiliary upper pushing column front and rear displacement holes, the auxiliary upper piston pushing disc 26 is located above the auxiliary upper pushing column front and rear displacement holes, the auxiliary left clamping piece 27 and the auxiliary right clamping piece 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 piece 27 and the auxiliary right clamping piece 28, the auxiliary upper piston pushing disc 26 is in butt joint with the piston of the auxiliary needle cylinder 29, the front end of the rectangular auxiliary shell 16 is fixedly connected with the right side part of the rectangular main shell 1, the ultrasonic contrast agent mechanical injection device further comprises a connecting tee joint a1, a tee joint column a2, a T-shaped tee joint supporting block a3, a T-shaped tee joint mounting groove a4 and a T-shaped tee joint mounting groove supporting column a5, the T-shaped tee joint mounting groove supporting column a5 is fixedly mounted on the bottom plate of the rectangular main shell 1, the T-shaped tee joint mounting groove a4 is fixedly mounted on the T-shaped tee joint mounting groove supporting column a5, the T-shaped tee joint supporting block is mounted in the T-shaped tee joint mounting groove a4, the lower end of the tee joint column a2 is fixedly connected with the T-shaped tee joint supporting block a3, the upper end of the tee joint column a2 is fixedly connected with the connecting tee joint a1, a T-shaped open hole a6 is formed in the top plate of the rectangular main shell 1, and the connecting tee joint a1 is higher than the T-shaped tee joint mounting groove a4, the T-shaped tee joint supporting block a3, the T-shaped tee joint mounting groove a4 and the T-shaped tee joint mounting groove supporting column a5 are all located inside the rectangular main shell 1, the connecting tee joint a1 is located 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 the main needle cylinder 13, the tee joint second interface is connected with the auxiliary needle cylinder 29, a needle head a7 is connected onto the tee joint third interface, the main lock 14 comprises a main lock mounting shell 1-2, a main lock inserting column 1-3 and a main lock inserting column supporting spring 1-4, the main lock mounting shell 1-2 is fixedly mounted on the side portion of the rectangular main shell 1, a main lock inserting column jack is arranged on the side portion of the rectangular main shell 1 in front of the main lock mounting shell 1-2, the main lock pin 1-3 can be inserted into a main lock pin jack to be matched with a main lower sliding sleeve 4, the main lock pin 1-3 and a main lock pin support spring 1-4 are both arranged in a main lock mounting shell 1-2, the front end of the main lock pin support spring 1-4 is in butt fit with the tail end of the main lock pin 1-3, the tail end of the main lock pin 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 pin deflector rod 1-8 is arranged on the side part of the main lock pin 1-3, and the main lock pin deflector rod 1-8 extends out of the main lock mounting shell slit 1-6, the primary lock plunger deflector rod 1-8 can be clamped on a primary lock mounting shell slotted notch 1-7, the secondary lock 30 comprises a secondary lock mounting shell 1-9, a secondary lock plunger 1-10 and a secondary lock plunger support spring 1-11, the secondary lock mounting shell 1-9 is fixedly mounted on the side part of a rectangular secondary shell 16, a secondary lock plunger jack is arranged on the side part of the rectangular secondary shell 16 in front of the secondary lock mounting shell 1-9, the secondary lock plunger 1-10 can be inserted into the secondary lock plunger jack to be matched with a secondary lower sliding sleeve 20, the secondary lock plunger 1-10 and the secondary lock plunger support spring 1-11 are both mounted in the secondary lock mounting shell 1-9, the front end of the secondary lock plunger support spring 1-11 is in butt fit with the tail end of the secondary lock plunger 1-10, the tail end of the secondary lock plunger support spring 1-11 is in butt fit with the inner wall of the secondary lock mounting shell 1-9, the secondary lock plunger support spring 1-13 is arranged on the side part of the secondary lock mounting shell 1-9, a buffer cushion pad 14 is sleeved on the primary lock plunger 1-13, a secondary lock plunger 1-15 is arranged on the secondary lock mounting shell, a secondary lock plunger 1-15 is sleeved on the secondary lock mounting shell, a secondary lock plunger 1-15 is arranged on the secondary lock plunger 1-9, the main blotter of going up cooperatees with main sliding sleeve 5 of going up, the cover is equipped with vice blotter down on the vice cylinder of fixing a position 18 down, vice blotter down cooperatees with vice sliding sleeve 20 down, the cover is equipped with vice blotter of going up on the vice cylinder 19 of going up of fixing a position to overlap, vice blotter of going up cooperatees with vice sliding sleeve 21 of going up, the afterbody of main pull rod 8 is equipped with main circular tray that draws, the afterbody of vice pull rod 24 is equipped with vice circular tray that draws, main left clamping piece 11 and main right clamping piece 12 are the elasticity clamping piece that can deform, vice left clamping piece 27 and vice right clamping piece 28 are the elasticity clamping piece that can deform.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (5)
1. The mechanical ultrasonic contrast agent injection device is 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 upper pushing column (9), a main upper piston pushing disc (10), a main left clamping piece (11), a main right clamping piece (12), a main needle cylinder (13) and a main lock (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 positioning cylinder (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 housing upper positioning cylinder (3), the main upper positioning cylinder (5) is connected with the main pull rod (8), the main upper positioning cylinder (8) and the main lower positioning cylinder (5), the main upper sliding sleeve (1) is connected with the main pulling column (8), the main pull rod (8) is positioned in a main crack (15), the front end of a main lower supporting spring (6) is fixed on the tail of a main lower sliding sleeve (4), the rear end of the main lower supporting spring (6) is fixed on the tail of a main lower positioning cylinder (2), the front end of the main upper supporting spring (7) is fixed on the tail of a main upper sliding sleeve (5), the rear end of the main upper supporting spring (7) is fixed on the tail of a main upper positioning cylinder (3), the main upper pushing cylinder (9) is fixedly arranged on the main upper sliding sleeve (5), a main upper piston pushing disc (10) is fixedly arranged on the main upper pushing disc (9), a main upper pushing column front and rear displacement hole is arranged on the rectangular main shell clamping piece (1), the main upper pushing column (9) extends out of the main upper pushing column front and rear displacement hole, the main upper piston pushing disc (10) is positioned above the main upper pushing column front and rear displacement hole, a main left clamping piece (11) and a main right clamping piece (12) are fixedly arranged on the main shell (1), and a main upper piston pushing disc (13) is matched with a main needle cylinder (13),
the mechanical ultrasound contrast agent injection device further comprises a rectangular auxiliary shell (16), an auxiliary mounting vertical plate (17), an auxiliary lower positioning cylinder (18), an auxiliary upper positioning cylinder (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 pushing column (25), an auxiliary upper piston pushing disc (26), an auxiliary left clamping piece (27), an auxiliary right clamping piece (28), an auxiliary needle cylinder (29) and an auxiliary lock (30), wherein the auxiliary mounting vertical plate (17) is fixedly mounted in the 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 formed between the auxiliary lower positioning cylinder (18) and the auxiliary upper positioning cylinder (19), the auxiliary lower sliding sleeve (20) is arranged on the auxiliary lower positioning cylinder (18), the auxiliary upper sliding sleeve (21) is arranged on the auxiliary lower positioning cylinder (19), the outer bottom of the auxiliary lower positioning sleeve (21) is connected with the auxiliary lower positioning cylinder (24), and the outer bottom of the auxiliary upper positioning cylinder (24), the needle cylinder is characterized in that the auxiliary pull rod (24) is located in an auxiliary crack (31), the front end of an auxiliary lower supporting spring (22) is fixed on the tail of an auxiliary lower sliding sleeve (20), the rear end of the auxiliary lower supporting spring (22) is fixed on the tail of an auxiliary lower positioning cylinder (18), the front end of an auxiliary upper supporting spring (23) is fixed on the tail of an auxiliary upper sliding sleeve (21), the rear end of the auxiliary upper supporting spring (23) is fixed on the tail of an auxiliary upper positioning cylinder (19), an auxiliary upper pushing column (25) is fixedly installed on the auxiliary upper sliding sleeve (21), an auxiliary upper piston pushing disc (26) is fixedly installed on the auxiliary upper pushing column (25), auxiliary upper pushing column front and rear displacement holes are formed in an auxiliary housing (16) of the rectangular shape, the auxiliary upper pushing column (25) extends out of the auxiliary upper pushing column front and rear displacement holes from the rectangular upper pushing column, the auxiliary upper piston pushing disc (26) is located above the auxiliary upper pushing column front and rear displacement holes, an auxiliary left clamping sheet (27) and an auxiliary right clamping sheet (28) are fixedly installed on a main housing (16), the top of the auxiliary upper clamping sheet (29) is connected with a needle cylinder (29), and a left clamping sheet (29) is fixedly installed between the auxiliary upper piston pushing disc (26) and a needle cylinder (16),
the mechanical pushing device for the ultrasonic contrast agent further comprises a connecting tee joint (a 1), a tee joint connecting column (a 2), a T-shaped tee joint supporting block (a 3), a T-shaped tee joint mounting groove (a 4) and a T-shaped tee joint mounting groove supporting column (a 5), wherein the T-shaped tee joint mounting groove supporting column (a 5) is fixedly mounted on a bottom plate of a rectangular main shell (1), the T-shaped tee joint mounting groove (a 4) is fixedly mounted on the T-shaped tee joint mounting groove supporting column (a 5), the T-shaped tee joint supporting block is mounted in the T-shaped tee joint mounting groove (a 4), the lower end of the tee joint connecting column (a 2) is fixedly connected with the T-shaped tee joint supporting block (a 3), the upper end of the tee joint connecting column (a 2) is fixedly connected with the connecting tee joint (a 1), a T-shaped opening (a 6) is formed in a top plate of the rectangular main shell (1), the connecting tee joint (a 1) is higher than the T-shaped tee joint mounting groove (a 4), the T-shaped tee joint supporting block (a 3), the T-shaped tee joint mounting groove (a 4) and the T-shaped tee joint mounting groove (a 5) are all located above the rectangular main shell, the connecting tee joint connecting cylinder (1), the connecting tee joint connecting needle cylinder (a) is connected with a third connector (13) and a third connector of the main shell, the third tee joint connector (a) is located above the connecting tee joint connector (a) and the connecting needle cylinder (13), a needle head (a 7) is connected to a third port of the tee joint, a main lock (14) comprises a main lock mounting shell (1-2), a main lock plunger (1-3) and a main lock plunger support spring (1-4), the main lock mounting shell (1-2) is fixedly mounted on the side portion of the rectangular main shell (1), a main lock plunger jack is arranged on the side portion 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 the main lock plunger jack and matched with a main lower sliding sleeve (4), the main lock plunger (1-3) and the main lock plunger support spring (1-4) are both mounted in the 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 deflector rod mounting shell (1-6) is arranged on the side portion of the main lock plunger mounting shell (1-2), and a deflector rod mounting shell (1-6) is provided with a notch, and a deflector rod mounting shell (6) is arranged on the main lock mounting shell (1-2), the primary lock plunger driving lever (1-8) extends out of a primary lock mounting shell slit (1-6), the primary lock plunger driving lever (1-8) can be clamped on a primary lock mounting shell slit notch (1-7), the secondary lock (30) comprises a secondary lock mounting shell (1-9), a secondary lock plunger (1-10) and a secondary lock plunger support spring (1-11), the secondary lock mounting shell (1-9) is fixedly mounted on the side portion of a rectangular secondary shell (16), a secondary lock plunger jack is arranged on the side portion of a rectangular secondary shell (16) in front of the secondary lock mounting shell (1-9), the secondary lock plunger (1-10) can be inserted into the secondary lock plunger jack to be matched with a secondary lower sliding sleeve (20), the secondary lock plunger (1-10) and the secondary lock plunger support spring (1-11) are both mounted in the secondary lock mounting shell (1-9), the front end of the secondary lock plunger support spring (1-11) is abutted to the secondary lock mounting shell (1-9), the secondary lock plunger support spring (1-10) is abutted to the secondary lock mounting shell (1-11), the secondary lock plunger support spring (1-13) is arranged on the secondary lock mounting shell (1-9), and the secondary lock mounting shell (13) is abutted to the secondary lock mounting shell rear end of the secondary lock mounting shell (1-9), and auxiliary lock inserting column shift rods (1-15) are arranged on the side parts of the auxiliary lock inserting columns (1-10), the auxiliary lock inserting column shift rods (1-15) extend out of the auxiliary lock installing shell slotted holes (1-13), and the auxiliary lock inserting column shift rods (1-15) can be clamped on the auxiliary lock installing shell slotted notches (1-14).
2. The mechanical ultrasound contrast agent bolus device of claim 1, wherein: the cover is equipped with main lower blotter under the owner on location cylinder (2), the main lower blotter cooperatees with main lower slip cap (4), the cover is equipped with main upper cushion on location cylinder (3) in the owner, main upper cushion cooperatees with main upper slip cap (5), the cover is equipped with vice lower blotter on location cylinder (18) under the vice cover, vice lower blotter cooperatees with vice lower slip cap (20), the cover is equipped with vice blotter on location cylinder (19) on the vice cover of going up, vice upper cushion cooperatees with vice upper slip cap (21).
3. The mechanical ultrasound contrast agent bolus device of claim 1 or 2, wherein: 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.
4. The mechanical ultrasound contrast agent bolus device of claim 1 or 2, wherein: the main left clamping piece (11) and the main right clamping piece (12) are deformable elastic clamping pieces, and the auxiliary left clamping piece (27) and the auxiliary right clamping piece (28) are deformable elastic clamping pieces.
5. The mechanical ultrasound contrast agent bolus device of claim 3, wherein: the main left clamping piece (11) and the main right clamping piece (12) are deformable elastic clamping pieces, and the auxiliary left clamping piece (27) and the auxiliary right clamping piece (28) are deformable elastic clamping pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124637.7A CN106474584B (en) | 2016-12-08 | 2016-12-08 | Mechanical ultrasonic contrast agent injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124637.7A CN106474584B (en) | 2016-12-08 | 2016-12-08 | Mechanical ultrasonic contrast agent injection device |
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| Publication Number | Publication Date |
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| CN106474584A CN106474584A (en) | 2017-03-08 |
| CN106474584B true CN106474584B (en) | 2023-02-03 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431918A (en) * | 2000-04-04 | 2003-07-23 | 阿西斯特医疗***有限公司 | Angiographic injector subassembly |
| CN1440301A (en) * | 2000-07-10 | 2003-09-03 | 梅德拉股份有限公司 | Improvements relating to medical injector systems |
| JP2006212385A (en) * | 2005-02-03 | 2006-08-17 | Tekutoron:Kk | Syringe pump with fine closing pressure-detecting function |
| CN102974006A (en) * | 2012-12-05 | 2013-03-20 | 徐州医学院 | Syringe preventing mutual interference between main needle cylinder and auxiliary needle cylinder |
| CN203971045U (en) * | 2014-07-21 | 2014-12-03 | 新疆维吾尔自治区人民医院 | Selectivity Photographg device under peritoneoscope |
| CN205698739U (en) * | 2016-05-13 | 2016-11-23 | 刘俊英 | A kind of cardioangiography syringe |
| CN208229171U (en) * | 2016-12-08 | 2018-12-14 | 温州医科大学附属第二医院 | Acoustic contrast agent machinery infusing device |
-
2016
- 2016-12-08 CN CN201611124637.7A patent/CN106474584B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431918A (en) * | 2000-04-04 | 2003-07-23 | 阿西斯特医疗***有限公司 | Angiographic injector subassembly |
| CN1440301A (en) * | 2000-07-10 | 2003-09-03 | 梅德拉股份有限公司 | Improvements relating to medical injector systems |
| JP2006212385A (en) * | 2005-02-03 | 2006-08-17 | Tekutoron:Kk | Syringe pump with fine closing pressure-detecting function |
| CN102974006A (en) * | 2012-12-05 | 2013-03-20 | 徐州医学院 | Syringe preventing mutual interference between main needle cylinder and auxiliary needle cylinder |
| CN203971045U (en) * | 2014-07-21 | 2014-12-03 | 新疆维吾尔自治区人民医院 | Selectivity Photographg device under peritoneoscope |
| CN205698739U (en) * | 2016-05-13 | 2016-11-23 | 刘俊英 | A kind of cardioangiography syringe |
| CN208229171U (en) * | 2016-12-08 | 2018-12-14 | 温州医科大学附属第二医院 | Acoustic contrast agent machinery infusing device |
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