Anesthetic gas filter

Abstract

The utility model discloses an anesthetic gas filter which comprises a base, an upper cover is arranged on the top of the base, a pressure relief head is arranged on one side of the top of the upper cover, an arc-shaped cover is fixedly connected to the top of the upper cover, a gas inlet pipe is arranged on the top of the arc-shaped cover, and a pressing disc is movably connected to the bottom of the base. And the top of the pressure plate is fixedly connected with a filter cartridge. By arranging the base, the upper cover, the pressure relief head, the arc-shaped cover, the air inlet pipe, the pressure plate, the filter cartridge, the filter membrane, the bottom shell and the air outlet pipe, the air inlet pipe at the top of the arc-shaped cover is inserted into the air outlet of the anesthesia machine, the lower sheath sleeving the surface of the air outlet pipe is pulled out, the air outlet pipe at the bottom of the bottom shell is inserted into the air inlet in the respirator, and a patient wears the respirator. After the filter is used, the limiting plate is rotated until the top of the limiting plate is separated from the bottom of the pressing pad, the bottom shell is moved downwards, and the filter cartridge in the inner cavity of the bottom shell is taken out for replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an anesthesia gas filter. Background Art

[0002] When a hospital performs surgery on a patient, local anesthesia and general anesthesia are generally used during the operation. They can use three types of anesthesia: liquid medicine, gas, and acupuncture. After the operation, the patient needs to wake up as soon as possible to restore normal body functions, and the remaining anesthetic gas needs to be dealt with;

[0003] For example, the disclosed utility model provides "an anesthetic gas filter", and its announcement number is: CN202236753U. The patent includes an upper cover and a base matched with the upper cover. The air inlet end of the upper cover is sleeved with an inner cone joint protective cover, and the air outlet end of the base is sleeved with an outer cone joint protective cover. It can quickly and effectively absorb the anesthetic gas in the anesthesia ventilator circuit, so as to quickly revive the anesthetized surgical patient and reduce the emission of anesthetic gas in the operating room, avoiding cross infection, which is beneficial to the health of patients and medical staff.

[0004] However, the filter structure of the patent is a fixed installation structure, which is inconvenient to disassemble and replace, causing the entire filter to become a disposable item, resulting in a waste of resources. Therefore, the purpose of the utility model is to improve the practicality of the anesthesia gas filter through a detachable filter structure. Utility Model Content

[0005] The utility model aims to provide an anesthetic gas filter, which has the advantage of convenient disassembly and replacement of the filtering structure, and solves the problem that the filtering structure of the existing anesthetic gas filter is a fixed installation structure, which is inconvenient to disassemble and replace, causing the entire filter to become a disposable item, resulting in a waste of resources.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anesthetic gas filter comprises a base, the top of the base is provided with an upper cover, one side of the top of the upper cover is provided with a pressure relief head, the top of the upper cover is fixedly connected with an arc cover, the top of the arc cover is provided with an air inlet pipe, the bottom of the base is movably connected with a pressure plate, the top of the pressure plate is fixedly connected with a filter cartridge, the inner cavity of the filter cartridge is provided with a filter membrane, the bottom of the pressure plate and the outer side of the filter cartridge are movably connected with a bottom shell, the bottom of the bottom shell is fixedly connected with an air outlet pipe, the tops of both sides of the bottom shell are fixedly connected with pressure pads, both sides of the bottom of the base are movably connected with limiting plates, the bottom of the limiting plate is fixedly connected with a paddle, the top of the limiting plate contacts with the bottom of the pressure pad, the top of the arc cover and the outer side of the air inlet pipe are provided with an upper sleeve, and the bottom of the base and the outer side of the air outlet pipe are provided with a lower sleeve.

[0007] Preferably, both sides of the top of the arc-shaped cover are fixedly connected with clamping pads, and the bottoms of both sides of the upper sleeve are fixedly connected with clamping sleeves, and the inner cavity of the clamping sleeve is movably connected to the surface of the clamping pad.

[0008] Preferably, both sides of the bottom of the bottom shell are fixedly connected with clamping frames, and the tops of both sides of the lower sheath are fixedly connected with embedded plates, and the surfaces of the embedded plates are movably connected with the inner cavity of the clamping frame.

[0009] Preferably, protruding rods are fixedly connected to both sides of the top of the pressure plate, and grooves are opened on both sides of the bottom of the base, and the surface of the protruding rods is movably connected to the inner cavity of the groove.

[0010] Preferably, an insert block is provided at the bottom of the compression pad, and insert holes are provided on both sides of the bottom of the pressure plate, and the surface of the insert block is movably connected to the inner cavity of the insert hole.

[0011] Preferably, the bottoms of both sides of the inner cavity of the bottom shell are fixedly connected with flow guide frames, and the side of the flow guide frame away from the inner wall of the bottom shell extends to the opening at the bottom of the bottom shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with a base, an upper cover, a pressure relief head, an arc cover, an air inlet pipe, a pressure plate, a filter cartridge, a filter membrane, a bottom shell and an air outlet pipe. The air inlet pipe on the top of the arc cover is inserted into the air outlet of the anesthesia machine, the lower sheath sleeved on the surface of the air outlet pipe is pulled off, and the air outlet pipe at the bottom of the bottom shell is inserted into the air inlet of the breathing mask. The patient wears the breathing mask and the anesthesia machine is turned on for normal use. After the filter is used, the limiting plate is rotated until the top thereof is separated from the bottom of the pressing pad, the bottom shell is moved downward, and the filter cartridge in the inner cavity of the bottom shell is taken out for replacement.

[0014] 2. The utility model sets a clamping pad and a clamping sleeve to limit the bottom of the upper sleeve, so that the upper sleeve can be firmly clamped on the top of the arc cover to protect the air inlet pipe; sets a clamping frame and an embedded plate to limit the top of the lower sleeve, so that the lower sleeve can be tightly clamped on the bottom of the bottom shell to protect the air outlet pipe; sets a convex rod and a groove to limit the top of the pressure plate so that the pressure plate can be tightly clamped on the bottom of the base; sets an insert block and a jack to improve the fit between the top of the pressure pad and the bottom of the pressure plate, so that the pressure pad can be more firmly pressed on the bottom of the chassis; sets a guide frame, which is distributed on both sides above the opening at the bottom of the bottom shell, so that the anesthetic gas can quickly enter the air outlet pipe without damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the pressure plate of the utility model;

[0018] Figure 4 For this utility model Figure 2 A local enlarged schematic diagram of point A in the middle.

[0019] In the figure: 1. base; 2. upper cover; 3. pressure relief head; 4. arc cover; 5. air inlet pipe; 6. pressure plate; 7. filter cartridge; 8. filter membrane; 9. bottom shell; 10. air outlet pipe; 11. pressure pad; 12. limiting plate; 13. paddle; 14. upper sleeve; 15. lower sleeve. DETAILED DESCRIPTION

[0020] 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.

[0021] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0022] See also Figure 1-4 The anesthetic gas filter comprises a base 1, an upper cover 2 is arranged on the top of the base 1, a pressure relief head 3 is arranged on one side of the top of the upper cover 2, an arc cover 4 is fixedly connected to the top of the upper cover 2, an air inlet pipe 5 is arranged on the top of the arc cover 4, a pressure plate 6 is movably connected to the bottom of the base 1, a filter cartridge 7 is fixedly connected to the top of the pressure plate 6, a filter membrane 8 is arranged in the inner cavity of the filter cartridge 7, a bottom shell 9 is movably connected to the bottom of the pressure plate 6 and is located on the outside of the filter cartridge 7, an air outlet pipe 10 is fixedly connected to the bottom of the bottom shell 9, a compression pad 11 is fixedly connected to the top of both sides of the bottom shell 9, a limiting plate 12 is movably connected to both sides of the bottom of the base 1, a paddle 13 is fixedly connected to the bottom of the limiting plate 12, and the top of the limiting plate 12 contacts with the bottom of the compression pad 11, an upper sheath 14 is arranged on the top of the arc cover 4 and is located on the outside of the air inlet pipe 5, and a lower sheath 15 is arranged on the bottom of the base 1 and is located on the outside of the air outlet pipe 10.

[0023] Pads are fixedly connected to both sides of the top of the arc-shaped cover 4, and sleeves are fixedly connected to the bottoms of both sides of the upper sheath 14, and the inner cavity of the sleeve is movably connected to the surface of the pad.

[0024] Through the above technical solution, by providing a clamping pad and a clamping sleeve to limit the bottom of the upper sleeve 14, the upper sleeve 14 can be firmly clamped on the top of the arc cover 4 to protect the air inlet pipe 5.

[0025] Both sides of the bottom of the bottom shell 9 are fixedly connected with clamping frames, and both sides of the top of the lower sheath 15 are fixedly connected with embedded plates, and the surface of the embedded plate is movably connected with the inner cavity of the clamping frame.

[0026] Through the above technical solution, by providing a clamping frame and an embedding plate, the top of the lower sheath 15 is limited, so that the lower sheath 15 can be tightly clamped on the bottom of the bottom shell 9 to protect the air outlet pipe 10.

[0027] Both sides of the top of the pressure plate 6 are fixedly connected with convex rods, and both sides of the bottom of the base 1 are provided with grooves, and the surface of the convex rod is movably connected with the inner cavity of the groove.

[0028] Through the above technical solution, the protruding rod and the groove are provided to limit the top of the pressure plate 6 so that the pressure plate 6 can be tightly clamped on the bottom of the base 1.

[0029] An insert block is provided at the bottom of the pressing pad 11 , and insert holes are provided on both sides of the bottom of the pressing plate 6 , and the surface of the insert block is movably connected to the inner cavity of the insert hole.

[0030] Through the above technical solution, by providing the plug block and the plug hole, the fit between the top of the pressing pad 11 and the bottom of the pressure plate 6 can be improved, so that the pressing pad 11 can be pressed more firmly on the bottom of the chassis.

[0031] The bottoms of both sides of the inner cavity of the bottom shell 9 are fixedly connected with flow guide frames, and the side of the flow guide frame away from the inner wall of the bottom shell 9 extends to the opening at the bottom of the bottom shell 9.

[0032] Through the above technical solution, by setting the guide frame, the guide frame is distributed on both sides above the opening at the bottom of the bottom shell 9, so that the anesthetic gas can enter the outlet pipe 10 quickly and without damage.

[0033] When in use, the medical staff holds the filter, first inserts the air inlet pipe 5 on the top of the arc cover 4 on the filter into the air outlet of the anesthesia machine, then removes the lower sheath 15 on the surface of the air outlet pipe 10, and inserts the air outlet pipe 10 at the bottom of the bottom shell 9 into the air inlet on the breathing mask, lets the patient wear the breathing mask, turns on the anesthesia machine and can use it normally. After the filter is used, rotate the limiting plate 12 until its top is separated from the bottom of the compression pad 11, move the bottom shell 9 downward, take out the filter cartridge 7 in the inner cavity of the bottom shell 9 for replacement, and the filter after replacing the filter cartridge 7 can be used again.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anesthetic gas filter, comprising a base (1), characterized in that: The top of the base (1) is provided with an upper cover (2), one side of the top of the upper cover (2) is provided with a pressure relief head (3), the top of the upper cover (2) is fixedly connected with an arc-shaped cover (4), the top of the arc-shaped cover (4) is provided with an air intake pipe (5), the bottom of the base (1) is movably connected with a pressure plate (6), the top of the pressure plate (6) is fixedly connected with a filter cartridge (7), the inner cavity of the filter cartridge (7) is provided with a filter membrane (8), the bottom of the pressure plate (6) and located outside the filter cartridge (7) is movably connected with a bottom shell (9), the bottom shell (9) ) is fixedly connected to the bottom of the air outlet pipe (10), the tops of both sides of the bottom shell (9) are fixedly connected to compression pads (11), both sides of the bottom of the base (1) are movably connected to limiting plates (12), the bottom of the limiting plate (12) is fixedly connected to a paddle (13), the top of the limiting plate (12) is in contact with the bottom of the compression pad (11), an upper sleeve (14) is provided at the top of the arc cover (4) and located on the outside of the air inlet pipe (5), and a lower sleeve (15) is provided at the bottom of the base (1) and located on the outside of the air outlet pipe (10).

2. The anesthetic gas filter according to claim 1, characterized in that: Pads are fixedly connected to both sides of the top of the arc-shaped cover (4), and sleeves are fixedly connected to the bottoms of both sides of the upper sleeve (14), and the inner cavity of the sleeve is movably connected to the surface of the pad.

3. The anesthetic gas filter according to claim 1, characterized in that: Both sides of the bottom of the bottom shell (9) are fixedly connected to clamping frames, and both sides of the top of the lower protective sleeve (15) are fixedly connected to embedded plates, and the surface of the embedded plate is movably connected to the inner cavity of the clamping frame.

4. The anesthetic gas filter according to claim 1, characterized in that: Both sides of the top of the pressure plate (6) are fixedly connected with convex rods, and both sides of the bottom of the base (1) are provided with grooves, and the surface of the convex rod is movably connected to the inner cavity of the groove.

5. The anesthetic gas filter according to claim 1, characterized in that: An insert block is provided at the bottom of the compression pad (11), and insert holes are provided on both sides of the bottom of the pressure plate (6), and the surface of the insert block is movably connected to the inner cavity of the insert hole.

6. The anesthetic gas filter according to claim 1, characterized in that: The bottoms of both sides of the inner cavity of the bottom shell (9) are fixedly connected with flow guide frames, and the side of the flow guide frame away from the inner wall of the bottom shell (9) extends to the opening at the bottom of the bottom shell (9).

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