Balloon expansion pressurizer with pressure gauge

Abstract

The utility model discloses a balloon expansion pressurizer with a pressure gauge, which relates to the technical field of medical instruments and comprises a needle cylinder, the pressure gauge is mounted on the side wall of the air outlet end of the needle cylinder, a piston seat is arranged in the needle cylinder, the bottom of the piston seat is rotatably connected with an expansion screw rod, the bottom end of the expansion screw rod is connected with an expansion knob, and the expansion knob is connected with the pressure gauge. A first shell and a second shell are connected to the bottom of the needle cylinder, a fixing base is connected to the inner surface of the first shell and located outside the expansion screw rod, a locking screw rod is in threaded connection with the side wall of the second shell, the expansion screw rod can be driven by the expansion knob to rotate through the fixing base and the movable base, and after the position of the piston base is adjusted, the locking screw rod is locked. The locking knob drives the locking screw rod to rotate, so that the locking screw rod drives the movable seat to move towards the expansion screw rod, then the fixed seat and the movable seat extrude the expansion screw rod to lock the position of the expansion screw rod, and the structure can avoid pressurization deviation caused by hand movement or accidental touch of the expansion knob.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a balloon expander and pressurizer with a pressure gauge. Background Art

[0002] During interventional surgery, a balloon expansion pressure pump is used to expand the balloon and control the expansion and contraction of the balloon. The pressure pump pressurizes solutions such as contrast agents or saline and injects them into the patient's injury.

[0003] Existing products use threaded transmission to achieve pressurization and depressurization. The rotational pressurization process requires two-handed operation. After the pressurization is completed, pressurization deviation may occur due to hand movement or accidental touch, which is not conducive to the smooth progress of interventional treatment. For this reason, we proposed a balloon expander with a pressure gauge. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a balloon expander and pressurizer with a pressure gauge, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a balloon expander and pressurizer with a pressure gauge, comprising a syringe, a pressure gauge is installed on the side wall of the air outlet end of the syringe, a piston seat is arranged inside the syringe, the bottom of the piston seat is rotatably connected to an expansion screw, the bottom end of the expansion screw is connected to an expansion knob, the bottom of the syringe is connected to a first shell and a second shell, the inner surface of the first shell is connected to a fixed seat located outside the expansion screw, the side wall of the second shell is threadedly connected to a locking screw, one end of the locking screw is rotatably connected to a movable seat located outside the expansion screw, and the other end of the locking screw is connected to a locking knob.

[0006] As a further technical solution of the utility model, threads are provided inside the fixed seat and the movable seat, and the fixed seat and the movable seat are respectively connected to the expansion screw by threads.

[0007] As a further technical solution of the utility model, the inner surface of the second shell is connected with two groups of sliding rods, and the movable seat is slidably connected with the outer parts of the two groups of sliding rods.

[0008] As a further technical solution of the utility model, the top inner surfaces of the fixed seat and the movable seat are both provided with mounting grooves, and the bottom edge of the syringe is located inside the two groups of mounting grooves.

[0009] As a further technical solution of the utility model, both end sides of the first shell are provided with card slots, and both end sides of the second shell are connected with card plates, and each group of the card plates is engaged and connected inside each group of card slots.

[0010] As a further technical solution of the utility model, the air outlet end of the syringe is connected to a PVC tube, and the air outlet end of the PVC tube is connected to a three-way valve.

[0011] Beneficial Effects

[0012] The utility model provides a balloon expansion and pressurizing device with a pressure gauge. Compared with the prior art, it has the following advantages:

[0013] Beneficial effects:

[0014] 1. The balloon expander with a pressure gauge can drive the expansion screw to rotate by the expansion knob through the fixed seat and the movable seat, and after the piston seat position is adjusted, the locking screw is driven to rotate by the locking knob, so that the locking screw drives the movable seat to move toward the expansion screw, and then the fixed seat and the movable seat squeeze the expansion screw to lock the position of the expansion screw. This structure can avoid pressurization deviation caused by hand movement or accidental touching of the expansion knob, and control the screw in a fixed position while the value of the pressure gauge does not change.

[0015] 2. The balloon expander with a pressure gauge is configured such that the first shell and the second shell are fixed to the outside of the syringe, so that the fixed seat and the movable seat form a threaded connection with the expansion screw. This structure facilitates production assembly and maintenance and disassembly of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a balloon expander and pressurizer with a pressure gauge;

[0017] Figure 2 A top view of a balloon inflator with a pressure gauge;

[0018] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0019] Figure 4 This is a schematic diagram of the partially disassembled structure of a balloon expander and pressurizer with a pressure gauge.

[0020] In the figure: 1. syringe; 2. pressure gauge; 3. piston seat; 4. expansion screw; 5. expansion knob; 6. first shell; 7. second shell; 8. fixed seat; 9. movable seat; 10. locking screw; 11. locking knob; 12. sliding rod; 13. mounting slot; 14. card slot; 15. card plate; 16. PVC pipe; 17. three-way valve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution of a balloon expander and pressurizer with a pressure gauge: the balloon expander and pressurizer with a pressure gauge comprises a syringe 1, a pressure gauge 2 is installed on the side wall of the air outlet end of the syringe 1, a piston seat 3 is arranged inside the syringe 1, an expansion screw 4 is rotatably connected to the bottom of the piston seat 3, an expansion knob 5 is connected to the bottom end of the expansion screw 4, a first shell 6 and a second shell 7 are connected to the bottom of the syringe 1, a fixed seat 8 is connected to the inner surface of the first shell 6 and is located outside the expansion screw 4, a locking screw 10 is threadedly connected to the side wall of the second shell 7, one end of the locking screw 10 is rotatably connected to a moving seat 9 located outside the expansion screw 4, and the other end of the locking screw 10 is connected to a locking knob Button 11, the interior of the fixed seat 8 and the movable seat 9 are both provided with threads, the fixed seat 8 and the movable seat 9 are respectively threadedly connected to the expansion screw 4, the inner surface of the second shell 7 is connected with two groups of slide rods 12, the movable seat 9 is slidably connected to the outside of the two groups of slide rods 12, the top inner surfaces of the fixed seat 8 and the movable seat 9 are both provided with mounting grooves 13, the bottom edge of the syringe 1 is located inside the two groups of mounting grooves 13, the side surfaces of both ends of the first shell 6 are provided with card grooves 14, the side surfaces of both ends of the second shell 7 are connected with card plates 15, each group of card plates 15 is snap-fitted and connected to the inside of each group of card grooves 14, the air outlet end of the syringe 1 is connected with a PVC pipe 16, and the air outlet end of the PVC pipe 16 is connected with a three-way valve 17.

[0023] It should be noted that the fixed seat 8 and the movable seat 9 are symmetrically located on the outside of the expansion screw 4. The expansion knob 5 can drive the expansion screw 4 to rotate through the fixed seat 8 and the movable seat 9, so that the expansion screw 4 drives the piston seat 3 to move upward or downward inside the syringe 1, and the locking screw 10 is driven to rotate through the locking knob 11, so that the locking screw 10 drives the movable seat 9 to move toward the expansion screw 4, and then the fixed seat 8 and the movable seat 9 squeeze the expansion screw 4 to lock the position of the expansion screw 4.

[0024] The working principle of the utility model is as follows: when in use, the three-way valve 17 is connected to the balloon, and then the expansion knob 5 drives the expansion screw 4 to rotate, so that the expansion screw 4 drives the piston seat 3 upward inside the syringe 1, so that the gas in the syringe 1 is transported to the balloon through the PVC tube 16, so as to achieve the effect of expanding the balloon, and the expansion knob 5 drives the expansion screw 4 to rotate, so that the expansion screw 4 drives the piston seat 3 downward inside the syringe 1, and the gas in the balloon enters the syringe 1, so as to achieve the effect of contracting the balloon, and the locking screw 10 is driven to rotate by the locking knob 11, so that the locking screw 10 drives the moving seat 9 to move toward the expansion screw 4, and then the fixed seat 8 and the moving seat 9 squeeze the expansion screw 4, lock the position of the expansion screw 4, and the pressure gauge 2 is used to accurately control the air pressure and speed in the syringe 1.

[0025] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A balloon inflator with a pressure gauge, comprising a syringe (1), characterized in that: A pressure gauge (2) is installed on the side wall of the air outlet end of the syringe (1); a piston seat (3) is arranged inside the syringe (1); the bottom of the piston seat (3) is rotatably connected to an expansion screw (4); the bottom end of the expansion screw (4) is connected to an expansion knob (5); the bottom of the syringe (1) is connected to a first shell (6) and a second shell (7); the inner surface of the first shell (6) and the outside of the expansion screw (4) are connected to a fixed seat (8); the side wall of the second shell (7) is threadedly connected to a locking screw (10); one end of the locking screw (10) and the outside of the expansion screw (4) are rotatably connected to a moving seat (9); the other end of the locking screw (10) is connected to a locking knob (11).

2. The balloon inflator with a pressure gauge according to claim 1, characterized in that: The interiors of the fixed seat (8) and the movable seat (9) are both provided with threads, and the fixed seat (8) and the movable seat (9) are respectively connected to the expansion screw rod (4) by threads.

3. The balloon inflator with a pressure gauge according to claim 1, characterized in that: The inner surface of the second shell (7) is connected to two groups of sliding rods (12), and the movable seat (9) is slidably connected to the outside of the two groups of sliding rods (12).

4. The balloon inflator with a pressure gauge according to claim 1, characterized in that: The top inner surfaces of the fixed seat (8) and the movable seat (9) are both provided with mounting grooves (13), and the bottom edge of the syringe (1) is located inside the two groups of mounting grooves (13).

5. The balloon inflator with a pressure gauge according to claim 1, characterized in that: Both end sides of the first shell (6) are provided with card slots (14), and both end sides of the second shell (7) are connected with card plates (15), and each group of the card plates (15) is card-engaged inside each group of card slots (14).

6. The balloon inflator with a pressure gauge according to claim 1, characterized in that: The air outlet end of the syringe (1) is connected to a PVC tube (16), and the air outlet end of the PVC tube (16) is connected to a three-way valve (17).

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