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CN-122004978-A - Hemostatic support for heart great vessel operation

CN122004978ACN 122004978 ACN122004978 ACN 122004978ACN-122004978-A

Abstract

The invention discloses a hemostatic support for cardiac great vessel surgery, which belongs to the technical field of medical appliances and comprises a shell, an adjusting knob, a piston piece, a limiting plate and an airtight plate; the invention can drive the piston to extrude gas by turning the adjusting knob, so that the expansion ring on the shell rapidly expands and extrudes the inner wall of a blood vessel to realize hemostasis, the clamping position arranging groove of the limiting plate is matched with the positioning edge block of the piston, the piston can be prevented from moving reversely, the hemostasis stability is ensured, the unlocking and resetting can be realized by pressing the knob column, the repeated use is convenient, when the expansion ring reaches the maximum expansion state, the elastic membrane is pushed to bend by high pressure in the expansion cylinder, the medicine blocking boss is separated from the medicine outlet hole, heparin in the end head is released, the local coagulation is specifically inhibited, the medicine consumption is reduced, and the problems that the vascular endothelial injury is easy to be caused by the hemostasis of the existing arterial forceps, the ischemia risk is high and the operation is required to be continuously carried out by operators are solved.

Inventors

  • WANG ZHANLEI
  • YAN DALIANG
  • WANG SONG
  • ZHU PENGCHENG
  • WANG KAIHANG
  • FAN JIDAN

Assignees

  • 泰州市人民医院

Dates

Publication Date
20260512
Application Date
20260305

Claims (10)

  1. 1. The hemostatic support for the cardiac great vessel operation is characterized by comprising a shell (1), an adjusting knob (2), a piston part (3), a limiting plate (4) and an airtight plate (5), wherein the adjusting knob (2) is positioned at the top of the shell (1), the piston part (3) slides at the upper end in the shell (1), the limiting plate (4) is arranged in the shell (1) in a circular array, and the airtight plate (5) is arranged at the lower end in the shell (1); The shell (1) comprises a top cover (11), a sleeve (12), an expansion cylinder (13) and an end head (14), wherein the top cover (11) is connected with the top of the sleeve (12) through threads, the bottom of the sleeve (12) is connected with one end of the expansion cylinder (13) through threads, and the other end of the expansion cylinder (13) is connected with the end head (14) through threads.
  2. 2. The hemostatic support for cardiac great vessel surgery according to claim 1, wherein the top cover (11) is provided with a knob groove (111) at the center, the adjusting knob (2) is arranged in the knob groove (111), the piston member (3) slides in the sleeve (12), an air groove (121) is arranged at the connecting end of the sleeve (12) and the top cover (11), a limiting cylinder (122) is arranged at the other end of the sleeve (12), limiting grooves (123) are formed in a circular array on the limiting cylinder (122), and the limiting plate (4) is arranged in the limiting grooves (123).
  3. 3. The hemostatic stent for cardiac great vessel surgery according to claim 2, wherein the airtight plate (5) is disposed between the expansion cylinder (13) and the end head (14), an expansion ring (131) is disposed in the center of the expansion cylinder (13), connecting rods (132) are disposed at the upper and lower ends of the inside of the expansion ring (131), and a drug outlet hole (141) is disposed at the bottom of the end head (14).
  4. 4. The hemostatic support for cardiac great vessel surgery according to claim 3, wherein the top of the adjusting knob (2) is provided with a knob post (21), the knob post (21) is arranged in the knob groove (111), the lower part of the adjusting knob (2) is provided with a threaded rod (22), the threaded rod (22) is positioned in the air groove (121), a baffle (23) is arranged between the threaded rod (22) and the knob post (21), the bottom of the threaded rod (22) is provided with a thread-free section (221) with one end being thread-free, the lower side of the knob post (21) is provided with a knob spring (24), and the tail end of the knob spring (24) is arranged at the bottom of the knob groove (111).
  5. 5. The hemostatic support for cardiac great vessel surgery according to claim 4, wherein the piston member (3) is provided with a piston plate (31) and a threaded tube (32), the piston plate (31) is arranged at the top of the threaded tube (32), the piston plate (31) slides in the air groove (121), the threaded tube (32) is connected with the threaded rod (22) through threads, positioning columns (33) are arranged at the bottom of the threaded tube (32) in a circular array, and the positioning columns (33) are arranged in the limiting groove (123).
  6. 6. The hemostatic support for cardiac great vessel surgery according to claim 5, wherein the front end of the positioning column (33) is provided with a positioning edge block (34), the right side of the front end of the positioning edge block (34) is provided with a long oblique side (341), the left side of the front end of the positioning edge block (34) is provided with a short oblique side (342), the left side wall of the positioning edge block (34) is provided with a side wall spring (343), and the tail end of the side wall spring (343) is attached to the side wall of the limiting groove (123).
  7. 7. The hemostatic support for cardiac great vessel surgery according to claim 6, wherein the limiting plate (4) is provided with a top plate (41) and a limiting boss (42), the top plate (41) is arranged on the outer side of the limiting cylinder (122), the limiting boss (42) is arranged in the limiting groove (123), and the positioning edge block (34) is attached to the bottom surface of the limiting boss (42).
  8. 8. The hemostatic support for cardiac great vessel surgery as set forth in claim 7, wherein a spring slot (411) is provided in the center of the top plate (41), a pressure spring (412) is provided in a linear array in the spring slot (411), and the end of the pressure spring (412) is attached to the inner wall of the sleeve (12).
  9. 9. The hemostatic support for cardiac great vessel surgery according to claim 7, wherein the two sides of the bottom surface of the limiting boss (42) are respectively provided with a clamping position arranging groove (421) and a straight groove (422), the bottom of the limiting boss (42) is further provided with a sliding groove (423) and a resetting groove (424), the sliding groove (423) is arranged at the front ends of the clamping position arranging groove (421) and the straight groove (422), and the resetting groove (424) is arranged at the rear ends of the clamping position arranging groove (421) and the straight groove (422).
  10. 10. The hemostatic support for cardiac great vessel surgery according to claim 8, wherein the center of the airtight plate (5) is provided with an elastic membrane (51), the center of the elastic membrane (51) is provided with a drug blocking rod (52), the top of the drug blocking rod (52) is provided with a drug blocking boss (53), and the drug blocking boss (53) is arranged in the drug outlet hole (141).

Description

Hemostatic support for heart great vessel operation Technical Field The invention belongs to the technical field of medical appliances, and particularly relates to a hemostatic support for cardiac great vessel surgery. Background In large cardiac vascular procedures, it is often necessary to temporarily block local blood flow to expose the operative field. The prior art relies on mechanical clamping of arterial forceps, but continuous compression is easy to cause vascular endothelial injury, especially when the pressure exceeds 30 minutes, the ischemia risk is obviously increased, and thrombus or secondary hemorrhage can be induced by repeatedly adjusting the clamping force in operation. In addition, the traditional method requires the operator to continuously hold the instrument, increases the operation burden, and is difficult to combine the hemostatic stability and the operation efficiency particularly in a complex operation mode. Disclosure of Invention Aiming at the situation, the invention provides the hemostatic stent for the heart great vessel operation, which aims to overcome the defects of the prior art and effectively solve the problems. The invention provides a hemostatic support for cardiac great vessel surgery, which comprises a shell, an adjusting knob, a piston piece, a limiting plate and an airtight plate, wherein the adjusting knob is positioned at the top of the shell, the piston piece slides at the upper end inside the shell, the limiting plate is arranged in the shell in a circular array, and the airtight plate is arranged at the lower end inside the shell; The shell comprises a top cover, a sleeve, an expansion cylinder and an end head, wherein the plate is connected with the top of the sleeve through threads, the bottom of the sleeve is connected with one end of the expansion cylinder through threads, and the other end of the expansion cylinder is connected with the end head through threads. Further, the board center is equipped with the knob groove, adjust knob locates the knob inslot, the piston piece slides in the sleeve, the sleeve is equipped with the air tank with the link of top cap, the telescopic other end is inside to be equipped with spacing section of thick bamboo, circular array is equipped with the spacing groove on the spacing section of thick bamboo, the limiting plate is located in the spacing groove. Further, the airtight plate is arranged between the expansion cylinder and the end head, an expansion ring is arranged in the center of the expansion cylinder, connecting rods are arranged at the upper end and the lower end inside the expansion ring, and a medicine outlet hole is formed in the bottom of the end head. Further, the adjusting knob top is equipped with the knob post, the knob post is located the knob inslot, the adjusting knob lower part is equipped with the threaded rod, the threaded rod is located the air tank, be equipped with the baffle between threaded rod and the knob post, the threaded rod bottom is equipped with one end screwless no line section, knob post downside is equipped with the knob spring, knob spring end is located knob inslot bottom. Further, the piston piece is equipped with piston plate and screwed pipe, the piston plate is located screwed pipe top, the piston plate slides in the air tank, screwed pipe and threaded rod pass through threaded connection, circular array in screwed pipe bottom is equipped with the reference column, the reference column is located in the spacing groove. Preferably, a doctor only needs to twist the knob to drive the piston plate to extrude gas, so that the expansion ring is expanded rapidly and extrudes the inner wall of a blood vessel, the auxiliary operation of arterial forceps is matched, the hemostatic process is simple and easy to operate, in addition, the threaded rod is designed to have a ripple-free section, when the threaded pipe moves to the ripple-free section, the piston part does not move along with the rotation of the knob any more, the positioning edge block is just clamped at the forefront end of the clamping groove, the expansion ring is ensured to be only expanded to the maximum effective size, the damage to the blood vessel wall caused by excessive expansion is avoided, and the hemostatic effect and the blood vessel protection are considered. Further, the front end of the positioning column is provided with a positioning edge block, the right side of the front end of the positioning edge block is a long bevel edge, the left side of the front end of the positioning edge block is a short bevel edge, the left side wall of the positioning edge block is provided with a side wall spring, and the tail end of the side wall spring is attached to the side wall of the limiting groove. Further, the limiting plate is provided with a top plate and a limiting boss, the top plate is arranged on the outer side of the limiting cylinder, the limiting boss is arranged in the limiting groove, and the positioning