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CN-121987892-A - Cardiovascular intervention injector convenient to operate

CN121987892ACN 121987892 ACN121987892 ACN 121987892ACN-121987892-A

Abstract

The invention provides a cardiovascular intervention injector convenient to operate, which relates to the technical field of medical equipment and comprises an injection part, wherein an inner control part is arranged inside the injection part, a limit part is arranged outside the injection part, and the quick switching between a direct pushing mode and an outward pushing mode is realized through the cooperative design of an inner matching block and a torsion inner block, wherein the direct pushing mode can directly push medicines in a medicine storage main body, the outward pushing mode can be connected with external medicine adding equipment through an external torsion head to push other medicines, the multi-medicine delivery can be finished without disassembling a device or replacing the injector, the screw transmission cooperation of an external matching sleeve, a position adjusting block and a displacement sleeve can accurately adjust the relative distance between a stop contact and an interventional needle tip, so that the presetting of penetration depth is realized, and the problem that the traditional injector is generally designed for single-cavity single-medicine storage and only can be loaded, and the injector is required to be frequently disassembled and replaced in operation to finish the multi-medicine delivery is solved.

Inventors

  • ZHAO BOYA
  • JIANG YUERONG
  • WANG YAOJIAN
  • CHEN LUYING
  • GUO YAXIN

Assignees

  • 赵博雅

Dates

Publication Date
20260508
Application Date
20260320

Claims (9)

  1. 1. A cardiovascular intervention injector convenient to operate comprises an injection part (1), and is characterized in that the injection part (1) comprises a medicine storage main body (101), an outer joint (102) is arranged on the outer wall of the medicine storage main body (101), a butt joint plug (103) is arranged on the outer wall of the medicine storage main body (101), an intervention needle body (104) is fixedly connected on the outer part of the butt joint plug (103), an injection glue block (105) is connected in an inner cavity of the medicine storage main body (101) in a sliding mode, the injection glue block (105) is arranged to be of a cylindrical structure, a synchronizing rod (106) is fixedly connected to the injection glue block (105), a push ring (107) is fixedly connected to the end position of the synchronizing rod (106), a sleeve joint ring (108) is sleeved on the end outer wall of the medicine storage main body (101), two clamping finger rings (109) are fixedly connected to the outer wall of the sleeve joint ring (108), an inner control part (2) is arranged on the inner part of the push part (1), the inner control part (2) comprises an inner matching block (201), a torsion connecting hole (203) is formed in a rotary mode, and two inner connecting grooves (203) are formed in a rotary mode, and two connecting grooves (203) are formed in a rotary mode, and the inner connecting block (201) are connected to the inner connecting block (201) in a rotary mode ) An external torsion head (206) is fixedly connected to the top of the injection part (1), a limiting part (3) is arranged outside the injection part (1), the limiting part (3) comprises an external sleeve (301), the external sleeve (301) can be sleeved on the outer wall of the medicine storage main body (101), a position torsion adjusting block (302) is arranged outside the external sleeve (301), the position torsion adjusting block (302) is rotatably connected with a displacement sleeve (303), a matching groove (304) is formed in the outer wall of the displacement sleeve (303), four butt-joint inserting blocks (305) distributed circumferentially are formed in the end head of the displacement sleeve (303), a stop contact (306) is arranged outside the displacement sleeve (303), and four splicing clamping grooves (307) distributed circumferentially are formed in the stop contact (306).
  2. 2. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the medicine storage main body (101) is of a needle tube structure, the inside of the medicine storage main body (101) is of a cavity structure, an end head of the medicine storage main body (101) is fixedly connected with an opposite joint, and a circular through hole connected with an inner cavity of the medicine storage main body (101) is formed in the outer joint (102).
  3. 3. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the docking plug (103) can be sleeved on the docking plug of the medicine storage main body (101), the inner front part of the intervention needle body (104) can be kept connected with the inner cavity of the medicine storage main body (101), the push ring (107) is of a circular ring structure, and the sleeving ring (108) is of a circular ring structure.
  4. 4. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the inner matching block (201) is internally clamped in the medicine storage main body (101), the inner matching block (201) is of a cylindrical structure, the inner part of the inner matching block (201) is of a cavity structure, an axle hole is formed in the outer wall of the inner matching block (201), two communication holes (202) are respectively connected with the inner cavity of the inner matching block (201), and the two inner matching blocks (201) are respectively kept on the same axis with the intervention needle body (104).
  5. 5. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the torsion inner block (203) is of a cylindrical structure, a cylindrical block is arranged at the top of the torsion inner block (203), the cylindrical block of the torsion inner block (203) is rotatably connected in a shaft hole of the inner matching block (201) and the outer joint (102), the inner part of the inner matching block (201) is of a cavity structure, two direct pushing grooves (204) can be respectively connected with corresponding communication holes (202), and the two communication holes (202) can be respectively connected with an inner cavity of the torsion inner block (203).
  6. 6. The cardiovascular intervention injector according to claim 1, wherein the external connection groove (205) can be kept connected with the corresponding communication hole (202), the external connection groove (205) can be kept connected with the inner cavity of the torsion inner block (203), and the external plug block can be inserted into the external torsion head (206).
  7. 7. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the outer matching sleeve (301) is of a cylindrical structure, threads are formed on the outer wall of the outer matching sleeve (301), and a thread groove matched with the threads on the outer wall of the outer matching sleeve (301) is formed on the inner wall of the position torsion adjusting block (302).
  8. 8. The cardiovascular intervention injector convenient to operate according to claim 1, wherein the displacement sleeve (303) is of a cylindrical structure, the displacement sleeve (303) can be sleeved on the outer matched cylinder (301), and the displacement sleeve (303) can be sleeved outside the medicine storage main body (101) through the matched groove (304).
  9. 9. The cardiovascular intervention injector convenient to operate according to claim 1, wherein clamping heads are respectively arranged on the four butt joint insertion blocks (305), the stop contact (306) can be sleeved outside the intervention needle body (104), the stop contact (306) is made of rubber materials, and the corresponding butt joint insertion blocks (305) can be respectively inserted into the four splicing clamping grooves (307).

Description

Cardiovascular intervention injector convenient to operate Technical Field The invention relates to the technical field of medical appliances, in particular to a cardiovascular intervention injector convenient to operate. Background Cardiovascular interventional therapy is used as a core minimally invasive technology for diagnosing and treating cardiovascular diseases such as coronary heart disease, arrhythmia, vascular stenosis and the like at present, and the technical iteration and clinical application depth depend on innovation breakthrough and achievement transformation of biomedical engineering industry. As an important component of strategic emerging industry, biomedical engineering industry provides full chain support from core instruments to diagnosis and treatment schemes for interventional therapy through multi-disciplinary technology fusion, instruments such as catheters and stents fused with biocompatible materials and precise structural designs are guided by high-precision imaging equipment developed in industry under the technical energization of biomedical engineering industry and are sent into lesion sites through natural cavities or tiny puncture points of human bodies, so that precise diagnosis and treatment of cardiovascular diseases are realized. For example, a cardiovascular intervention injector proposed in 202420453012.9, includes a push mechanism, an adjustment mechanism is fixedly connected to the bottom of the push mechanism, the push mechanism includes a housing of the injector, a push rod of the injector is inserted in the housing of the injector, a push plate is fixedly connected to one end of the push rod of the injector, the adjustment mechanism includes a fixing frame, and the fixing frame is fixedly connected to a surface of the housing of the injector. According to the utility model, after the indicating ring moves to a proper position, a doctor pushes the push plate to drive the push rod of the injector to inject the contrast agent in the shell of the injector, and after the set injection quantity is reached, the push plate is attached to the side face of the limiting ring, and the limiting ring limits the push plate, so that the problem of excessive injection quantity at one time is avoided, quantitative injection is conveniently carried out by the doctor, and the operation difficulty of the doctor is reduced. For the traditional cardiovascular intervention injector at present, the puncture operation is excessively dependent on clinical experience of a surgical operator, the puncture depth and the distance are completely controlled by a doctor through clinical experience, for the surgical operator with poor clinical experience, the needle insertion depth and the pushing distance of a puncture needle are difficult to accurately control, meanwhile, the cardiovascular intervention operation always needs to deliver various different types of medicines in real time according to the condition of a patient, but the traditional injector is generally designed for single-cavity single-medicine storage, only can load single medicine, and the injector needs to be frequently disassembled and replaced in operation to complete multi-medicine delivery, so that the injector is inconvenient to use. Disclosure of Invention The invention relates to a cardiovascular intervention injector convenient to operate, which is provided with an inner control part and a limiting part, wherein the rapid switching between a direct pushing mode and an outward pushing mode is realized through the cooperative design of an inner matching block and a torsion inner block, the direct pushing mode can directly push medicines in a medicine storage main body, the outward pushing mode can be used for pushing other medicines through connecting an external medicine adding device through an external torsion head, the delivery of multiple medicines can be completed without disassembling a device or replacing the injector, and the relative distance between a stop contact and an intervention needle tip can be accurately adjusted through the threaded transmission fit of an outer matching sleeve, a position adjusting torsion block and a displacement sleeve, so that the presetting of the penetration depth is realized. The invention provides a cardiovascular intervention injector convenient to operate, which specifically comprises an injection part, wherein the injection part comprises a medicine storage main body, an outer joint is arranged on the outer wall of the medicine storage main body, a butt joint plug is arranged outside the medicine storage main body, an intervention needle body is fixedly connected to the outer part of the butt joint plug, an injection rubber block is connected in an inner cavity of the medicine storage main body in a sliding mode, the injection rubber block is arranged in a cylindrical structure, a synchronizing rod is fixedly connected to the injection rubber block, a push ring is fixedly conn