CN218451628U - A hemostatic device for minimally invasive interventional surgery on large blood vessels - Google Patents

Abstract

The utility model discloses a great vessel wicresoft intervenes operation hemostasis equipment, its structure includes hemostasis mechanism and oppression mechanism, through having set up hemostasis mechanism inboard at fixed cylinder, cooperate with spacing draw-in groove under the drive of first compression spring and tensile slide bar through spacing calorie pearl, thereby control piston rod drives second compression spring and miniature piston piece and carries out the displacement, thereby make miniature piston piece drive stereoplasm trachea displacement and aerify the sacculus action of aerifing, be favorable to improving the accurate nature to hemostasis part, through having set up oppression mechanism in the flexible glue board bottom, send into miniature pneumatic valve and regulation gasbag through tee bend pipe valve and check valve with the air current through the control gasbag inside, thereby make the regulation gasbag aerify and drive the action of oppressing of hemostasis piece, and then improve the hemostasis effect of hemostasis piece.

Description

A hemostatic device for minimally invasive interventional surgery on large blood vessels

technical field

The utility model relates to the technical field of medical appliances, in particular to a hemostatic device for minimally invasive interventional surgery on large blood vessels.

Background technique

In the current interventional surgery in the medical field, the puncture through the femoral artery and vein is the most common; after the interventional operation, the puncture port on the arterial and venous vessels needs to be treated, and the puncture port on the venous vessel is usually relatively simple. The processing of the puncture port on the arterial vessel is relatively complicated, and its processing method generally adopts surgical hemostatic equipment to carry out the hemostatic action.

At present, the Chinese patent with the notification number CN202011138558.8 discloses an interventional vascular hemostasis device for medical operations, which includes a hemostatic component and a delivery component. The hemostatic component includes an intervention plate, a moving plate and a compression air bag; the delivery component includes Sheath, loading tube and pushrod.

The existing device uses components such as elastic rods and intervening plates to perform hemostasis. This method is likely to cause secondary damage to blood vessels and other parts due to the excessive extension length of the elastic rods and intervening plates, and blood vessel rupture and bleeding are prone to occur; at the same time, the existing device When performing hemostasis work, usually only a single way of hemostasis work such as external surface layer compression is adopted, so it is easy to appear critically ill due to unstable blood pressure due to poor hemostasis effect.

Utility model content

(1) Technical problems to be solved

In order to overcome the shortcomings of the existing technology, a hemostatic device for minimally invasive interventional surgery on large blood vessels is proposed, which solves the problem that the existing device uses elastic rods and interventional plates to perform hemostasis. It is large and causes secondary damage to blood vessels and other parts, and blood vessel rupture and bleeding are prone to occur; at the same time, when the existing devices perform hemostasis work, they usually only use a single method of hemostasis such as external surface layer compression, which is easy to cause blood pressure due to poor hemostasis effect. Instability and the emergence of critical phenomenon.

(2) Technical solution

The utility model is realized through the following technical solutions: the utility model proposes a hemostasis device for large blood vessel minimally invasive interventional surgery, including a soft rubber plate, a restraint strap, a fixed needle cylinder, a piston rod, a hemostasis mechanism, a puncture needle, a compression mechanism and External cables, the left and right sides of the soft rubber plate are fixedly connected with the restraint straps, the middle side channel of the soft rubber plate is slidably connected with the fixed needle cylinder, and the inner groove wall of the fixed needle cylinder is slidably connected with the piston rod. The bottom of the fixed syringe is provided with a puncture needle, and the rear end of the soft rubber plate is provided with an external cable. It is characterized in that it also includes a hemostatic mechanism and a compression mechanism. The hemostatic mechanism is located on the left side of the piston rod. The hemostatic mechanism includes Limit card groove, limit card ball, limit chute, first compression spring, stretching slide rod, second compression spring, miniature piston block, arc air hole, miniature ball, hard air tube and inflatable balloon , the left side of the piston rod is provided with a limit card slot, the inner groove wall of the limit card groove is slidably connected with the limit card bead, the limit card bead is slidably connected with the inner groove wall of the limit chute, the limit The position chute is arranged on the inner side of the top of the fixed needle cylinder, the left end of the limit card bead is elastically connected with the first compression spring, the left end of the first compression spring is elastically connected with the left wall of the limit chute, and the position limit The left end of the card bead is fixedly connected with the stretching slide bar, and the stretching slide bar is slidably connected with the left channel of the fixed syringe, and the piston bottom of the piston rod is elastically connected with the second compressed spring, and the second pressed spring The bottom of the spring is elastically connected with the micro-piston block, and the micro-piston block is slidingly connected with the inner groove wall of the puncture needle. There is an arc-shaped air hole inside the micro-piston block, and the inner groove wall of the arc-shaped air hole is rollingly connected with the micro-ball. The bottom of the micro-piston block is fixedly connected to the hard air tube, the air outlet at the bottom of the hard air tube is connected to the top pipeline of the inflatable balloon, and the pressing mechanism is arranged at the bottom of the soft rubber plate.

Further, the compression mechanism includes an adjustable airbag, a hemostatic sheet, a micro air valve, a telescopic inflatable tube, a three-way pipe valve, a one-way valve, and a control airbag. The bottom of the soft rubber plate is fixedly connected to the adjustable airbag, and the adjustable airbag The bottom is fixedly connected with the hemostatic sheet, the air inlet at the top of the adjustable airbag is connected with the pipe of the micro-air valve, the air outlet at the top of the micro-air valve is connected with the pipe of the telescopic inflation pipe, and the pipe of the telescopic inflation pipe is connected with the pipe at the left end of the three-way pipe valve , the air pipe at the front end of the three-way pipe valve is connected to the one-way valve pipe, the front end of the one-way valve is connected to the air outlet pipe of the control air bag, and the micro air valve, three-way pipe valve and one-way valve are all electrically connected to the external cable .

Further, there are seven sets of limit card slots on the left side of the piston rod, and the diameter of the inner groove of the limit card slot is the same as the diameter and length of the limit card bead.

Further, air holes with a diameter of 1 cm are provided at the air holes on the upper and lower sides of the arc-shaped air hole, and a rubber layer is provided on the outside of the miniature balls inside the arc-shaped air hole.

Further, two groups of regulating airbags and miniature air valves are arranged at the bottom of the soft rubber sheet, and the two groups of regulating airbags are in a parallel relationship with the hemostatic sheet.

Further, the first compression spring is made of high carbon steel.

Further, the material of the miniature piston block is rubber.

(3) Beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1) The hemostatic device for minimally invasive interventional surgery on large blood vessels described in this utility model is provided with a hemostatic mechanism on the inside of the fixed syringe, and is driven and limited by the first compression spring and the stretching slide bar through the limit card bead. Cooperate with the limit card slot, so as to control the piston rod to drive the second compression spring and the micro-piston block to move, so that the micro-piston block drives the displacement of the hard air tube and the inflation of the inflatable balloon, which is conducive to improving the accuracy of the hemostatic components sex.

2) A hemostatic device for large blood vessel minimally invasive interventional surgery described in the utility model, by setting a compression mechanism at the bottom of the soft rubber plate, by controlling the air bag, the air flow is sent into the micro air valve and adjusted by the three-way pipe valve and the one-way valve. Inside the airbag, the airbag can be adjusted to inflate to drive the hemostatic tablet to compress, thereby improving the hemostatic effect of the hemostatic tablet.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the hemostatic mechanism and the fixed syringe of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at A in Fig. 2 of the present utility model;

Fig. 4 is the enlarged schematic diagram of the structure at B in Fig. 2 of the present utility model;

Fig. 5 is a structural schematic diagram of the pressing mechanism of the present invention.

In the figure: soft rubber plate-1, restraining strap-2, fixed syringe-3, piston rod-4, hemostasis mechanism-5, puncture needle-6, compression mechanism-7, external cable-8, limit card slot -51, limit card ball-52, limit chute-53, first compression spring-54, stretch slide rod-55, second compression spring-56, miniature piston block-57, arc air hole- 58. Miniature Ball-59, Hard Tube-510, Inflatable Balloon-511, Adjusting Balloon-71, Hemostatic Sheet-72, Miniature Air Valve-73, Telescopic Inflatable Tube-74, Three-way Tube Valve-75, One-way Valve-76, control air bag-77.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Figure 1, the utility model provides a hemostatic device for minimally invasive interventional surgery on large blood vessels: including a soft rubber plate 1, a restraint strap 2, a fixed syringe 3, a piston rod 4, a hemostatic mechanism 5, a puncture needle 6, and a compression mechanism 7 and the external cable 8, the left and right sides of the soft rubber plate 1 are fixedly connected with the restraint strap 2, the middle side channel of the soft rubber plate 1 is slidably connected with the fixed needle cylinder 3, and the inner groove wall of the fixed needle cylinder 3 slides with the piston rod 4 Connecting and fixing the bottom of the syringe 3 is provided with a puncture needle 6, and the rear end of the soft rubber plate 1 is provided with an external cable 8.

Please refer to Fig. 2, Fig. 3 and Fig. 4. The utility model provides a hemostatic device for minimally invasive interventional surgery on large blood vessels. The hemostatic mechanism 5 is arranged on the left side of the piston rod 4 to improve the hemostatic effect. , limit card ball 52, limit chute 53, first compression spring 54, stretch slide bar 55, second compression spring 56, miniature piston block 57, arc-shaped air hole 58, miniature ball 59, hard gas pipe 510 and the inflatable balloon 511, the left side of the piston rod 4 is provided with a limit card groove 51, which improves the limit effect of the limit card groove 51, and the inner groove wall of the limit card groove 51 is slidably connected with the limit card bead 52 to improve the position limit. The limiting effect of the clamping beads 52, the limiting clamping beads 52 are slidably connected with the inner groove wall of the limiting chute 53 to improve the limiting effect of the limiting clamping beads 52, the limiting chute 53 is arranged on the inner side of the top of the fixed syringe 3, Improve the limiting effect of the limiting chute 53, the left end of the limiting card bead 52 is elastically connected with the first compressed spring 54, and the fixing effect of the first compressed spring 54 is improved, the left end of the first compressed spring 54 is connected with the limiting chute The inner left wall of 53 is elastically connected to improve the fixing effect of the first compression spring 54. The left end of the limit card bead 52 is fixedly connected with the stretching slide bar 55 to improve the driving effect of the stretching slide bar 55. The stretching slide bar 55 is connected with the fixed The slide connection on the left side of the syringe 3 improves the sliding effect of the stretched slide bar 55. The piston bottom of the piston rod 4 is elastically connected to the second compression spring 56 to improve the driving effect of the second compression spring 56. The bottom of the compressed spring 56 is elastically connected with the miniature piston block 57 to improve the driving effect of the second compressed spring 56. The miniature piston block 57 is slidingly connected with the inner groove wall of the puncture needle 6 to improve the displacement effect of the miniature piston block 57. The miniature piston block 57 inside is provided with arc-shaped air hole 58, improves the diversion effect of arc-shaped air hole 58, and arc-shaped air hole 58 interior groove wall is connected with miniature ball 59 rollingly, improves the limiting effect of miniature ball 59, and the bottom of miniature piston block 57 and hard The trachea 510 is fixedly connected to improve the fixing effect of the hard trachea 510. The air outlet at the bottom of the hard trachea 510 is connected to the top pipe of the inflatable balloon 511 to improve the fixing effect of the inflatable balloon 511. The compression mechanism 7 is located at the bottom of the soft rubber plate 1. To improve the effect of compression and hemostasis, seven sets of limit card slots 51 are arranged on the left side of the piston rod 4, and the diameter of the inner groove of the limit card slot 51 is the same as the diameter and length of the limit card bead 52, so as to improve the limit effect of the limit card slot 51 , arc air hole 58 upper and lower sides air hole places are all provided with the air hole that diameter is 1 centimeter, and the miniature ball 59 outside of arc air hole 58 inner side is provided with rubber layer, improves the diversion effect of arc air hole 58.

Please refer to Fig. 5, the utility model provides a hemostatic device for minimally invasive interventional surgery on large blood vessels. The valve 76 and the control air bag 77, the bottom of the soft rubber plate 1 is fixedly connected with the adjustment air bag 71 to improve the fixing effect of the adjustment air bag 71, the bottom of the adjustment air bag 71 is fixedly connected with the hemostatic sheet 72 to improve the fixing effect of the hemostatic sheet 72, and the top of the adjustment air bag 71 The air inlet is connected with the micro-air valve 73 pipes to improve the diversion effect of the micro-air valve 73, and the air outlet on the top of the micro-air valve 73 is connected with the telescopic inflatable pipe 74 pipes to improve the diversion effect of the telescopic inflatable pipe 74, and the telescopic inflatable pipe 74 It is connected with the pipe at the left end of the three-way valve 75 to improve the diversion effect of the telescopic inflatable pipe 74. It is connected with the air outlet pipeline of the control air bag 77 to improve the diversion effect of the one-way valve 76. The miniature air valve 73, the three-way pipe valve 75 and the one-way valve 76 are all electrically connected with the external cable 8, and the bottom of the soft rubber plate 1 is provided with Two groups of regulating airbags 71 and miniature air valves 73, and the two groups of regulating airbags 71 are in parallel relationship with the hemostatic sheet 72, so as to improve the regulating effect of the regulating airbags 71.

The utility model provides a large blood vessel minimally invasive interventional operation hemostasis device through improvement, and the working principle is as follows;

First, when using this device, first place the device in the working area, and then connect the device to an external power source, which can provide the required power for the device to work;

Second, when performing hemostasis, the staff constrains the bandage 2 to fix the soft rubber sheet 1 on the patient's body, and then the staff controls the air bag 77 by squeezing to make it pass the air flow through the three-way valve 75 and the one-way valve 76 is sent into the inside of the telescopic inflatable tube 74, and through the telescopic inflatable tube 74, the flow is diverted into the micro air valve 73 and the inside of the regulating air bag 71, so that the regulating air bag 71 is inflated to drive the hemostatic sheet 72 to compress the patient's wound, thereby improving the hemostatic sheet. 72 hemostatic effect;

Thirdly, the staff then pushes the fixed syringe 3 to drive the puncture needle 6 into the patient's hemorrhage, and then pulls the stretching slide bar 55 to drive the limit snap bead 52 to slide on the inside of the limit chute 53 and press the first compression spring 54 to squeeze, the staff pushes the piston rod 4 to drive the second compressed spring 56 to squeeze the miniature piston block 57, so that the miniature piston block 57 drives the hard gas pipe 510 to move downward;

The 4th, the air pressure between the piston rod 4 and the miniature piston block 57 is then driven through the arc-shaped air hole 58 and the miniature ball 59 and enters the inside of the inflatable balloon 511, so that the inflatable balloon 511 is expanded to block the bleeding port. The set of multiple sets of limiting slots 51 are relatively tight, and the arc-shaped air hole 58 is arc-shaped and poured under the limit of the micro-ball 59, so that the expansion force of the inflatable balloon 511 is relatively small, and the over-expansion of the patient's blood vessels is avoided. The phenomenon of secondary injury due to extrusion is beneficial to improve the accuracy of the hemostatic component. When the amount of bleeding is small, the inflatable balloon 511 can also slowly shrink and exit the patient's wound through the limiting effect of the set limit card slot 51 It is beneficial to improve the hemostatic effect.

The hemostasis device for minimally invasive interventional surgery on large blood vessels described in the utility model cooperates with the limit card groove 51 through the limit card bead 52 under the driving limit of the first compressed spring 54 and the stretching slide bar 55, thereby Control the piston rod 4 to drive the displacement of the second compressed spring 56 and the miniature piston block 57, so that the miniature piston block 57 drives the displacement of the rigid air tube 510 and the inflation action of the inflatable balloon 511, which is conducive to improving the accuracy of the hemostatic component. Control the airbag 77 to send the airflow through the three-way valve 75 and the one-way valve 76 into the micro air valve 73 and the inside of the regulating airbag 71, so that the regulating airbag 71 is inflated to drive the hemostatic sheet 72 to carry out the compression action, thereby improving the hemostatic effect of the hemostatic sheet 72 .

Claims (8)

1. The utility model provides a great vessel wicresoft intervenes operation hemostasis equipment, includes flexible glue board (1) and external cable (8), the flexible glue board (1) left and right sides all with restraint bandage (2) fixed connection, the groove is led to side and fixed cylinder (3) sliding connection in flexible glue board (1), its characterized in that: still include hemostasis mechanism (5) and oppression mechanism (7), piston rod (4) left side is located in hemostasis mechanism (5), hemostasis mechanism (5) are including spacing draw-in groove (51), spacing calorie of pearl (52), spacing spout (53), first compressed spring (54), tensile slide bar (55), second compressed spring (56), miniature piston piece (57), arc gas pocket (58), miniature ball (59), stereoplasm trachea (510) and inflatable balloon (511), cell wall and spacing calorie of pearl (52) sliding connection in spacing draw-in groove (51), cell wall sliding connection in spacing calorie of pearl (52) and spacing spout (53), spacing calorie of pearl (52) left end and first compressed spring (54) elastic connection, spacing calorie of pearl (52) left end and tensile slide bar (55) fixed connection, second compressed spring (56) bottom and miniature piston piece (57) elastic connection, cell wall and miniature ball (59) rolling connection in arc gas pocket (58), stereoplasm trachea (510) bottom and tensile slide bar (55) fixed connection, inflatable pipeline (7) top portion is connected to the flexible glue board (511).

2. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 1, wherein: oppression mechanism (7) are including adjusting gasbag (71), hemostatic slice (72), miniature pneumatic valve (73), flexible gas tube (74), three-way pipe valve (75), check valve (76) and control gasbag (77), flexible glue board (1) bottom and regulation gasbag (71) fixed connection, adjust gasbag (71) bottom and hemostatic slice (72) fixed connection, adjust gasbag (71) top air inlet and miniature pneumatic valve (73) pipe connection, miniature pneumatic valve (73) top gas outlet and flexible gas tube (74) pipe connection, flexible gas tube (74) and three-way pipe valve (75) left end pipe connection, three-way pipe valve (75) front end trachea and check valve (76) pipe connection, check valve (76) front end and control gasbag (77) gas outlet pipe connection, miniature pneumatic valve (73), three-way pipe valve (75) and check valve (76) all are connected with external cable (8) electricity.

3. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 1, wherein: the inner groove wall of the fixed needle cylinder (3) is connected with the piston rod (4) in a sliding mode, the bottom of the fixed needle cylinder (3) is provided with a puncture needle head (6), and the rear end of the soft rubber plate (1) is provided with an external cable (8).

4. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 1, wherein: the left side of the piston rod (4) is provided with a limiting clamping groove (51), the limiting sliding groove (53) is arranged on the inner side of the top of the fixed needle cylinder (3), and the left end of the first compression spring (54) is elastically connected with the inner left wall of the limiting sliding groove (53).

5. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 1, wherein: tensile slide bar (55) and fixed cylinder (3) left side logical groove sliding connection, the piston bottom and the second compression spring (56) elastic connection of piston rod (4), cell wall sliding connection in miniature piston piece (57) and puncture syringe needle (6), miniature piston piece (57) inside is equipped with arc gas pocket (58), miniature piston piece (57) bottom and stereoplasm trachea (510) fixed connection.

6. The hemostatic device for minimally invasive intervention of large vessels according to claim 1, wherein: seven groups of limiting clamping grooves (51) are formed in the left side of the piston rod (4), and the diameter of an inner groove of each limiting clamping groove (51) is the same as the diameter and the length of each limiting clamping bead (52).

7. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 1, wherein: air holes with the diameter of 1 cm are formed in the air holes in the upper side and the lower side of the arc-shaped air hole (58), and a rubber layer is arranged on the outer side of the miniature ball (59) on the inner side of the arc-shaped air hole (58).

8. The hemostatic device for minimally invasive intervention of great vessel in accordance with claim 2, wherein: the bottom of the soft rubber plate (1) is provided with two groups of adjusting air bags (71) and a micro air valve (73), and the two groups of adjusting air bags (71) are parallel to the hemostatic patch (72).

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