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CN-121971722-A - Portable sputum aspirator capable of continuously sucking sputum

CN121971722ACN 121971722 ACN121971722 ACN 121971722ACN-121971722-A

Abstract

The invention discloses a portable sputum aspirator capable of continuously aspirating sputum, and particularly relates to the technical field of medical appliances, comprising a portable sputum aspirator body, a sputum aspirating assembly and an anti-reflux mechanism; the portable sputum aspirator body comprises an aspiration cylinder, a sputum aspirator assembly is arranged in the aspiration cylinder, the sputum aspirator assembly comprises a connecting pipe, a movable plug, a gear, a groove, a rack, an open slot, a rotating plate, a handle, a movable block and a spring A, one end of the connecting pipe is fixedly connected and communicated with the aspiration cylinder, the movable plug is slidably arranged in the aspiration cylinder, the gear is rotationally arranged in the aspiration cylinder through a rotating shaft, the groove is formed in the circumferential surface of the aspiration cylinder, one end of the rack is fixedly connected with the movable plug, the open slot is formed in the rack, the rotating plate is fixedly arranged on the circumferential surface of the gear, the handle is fixedly arranged on the circumferential surface of the aspiration cylinder, and the movable block is slidably arranged in the aspiration cylinder.

Inventors

  • ZHOU YUANLI
  • JIANG ZHENLING
  • YANG FANG
  • WANG YE
  • Hao Changlan

Assignees

  • 中国人民解放军陆军军医大学第一附属医院

Dates

Publication Date
20260505
Application Date
20260302

Claims (10)

  1. 1. A portable sputum aspirator capable of continuously aspirating sputum is characterized by comprising a portable sputum aspirator body (1), a sputum aspirating assembly (2) and an anti-reflux mechanism (3), wherein the portable sputum aspirator body (1) comprises an aspirating barrel (101), the sputum aspirating assembly (2) is arranged in the aspirating barrel (101), the sputum assembly (2) comprises a connecting pipe (201), a movable plug (202), a gear (203), a groove (204), a rack (205), an open slot (206), a rotating plate (207), a handle (208), a movable block (209) and a spring A (210), one end of the connecting pipe (201) is fixedly connected and communicated with the aspirating barrel (101), the movable plug (202) is slidably arranged in the aspirating barrel (101), the gear (203) is rotatably arranged in the aspirating barrel (101) through a rotating shaft, the circumferential surface of the aspirating barrel (101) is provided with a groove (204), one end of the rack (205) is fixedly connected with the movable plug (202), the rack (205) is meshed with the gear (203) to rotate, the open slot (206) is fixedly arranged on the circumferential surface of the rack (205), the end of the rotating plate (207) extends to the outside through the open slot (206) and the groove (204), the handle (208) is fixedly arranged on the outer circumferential surface of the suction cylinder (101), the moving block (209) is slidably arranged in the suction cylinder (101) and fixedly connected with the other end of the rack (205), two ends of the spring A (210) are fixedly connected with the inner wall of the suction cylinder (101) and the moving block (209) respectively, and the anti-reflux mechanism (3) is arranged on the suction cylinder (101).
  2. 2. The portable sputum aspirator capable of continuously aspirating sputum according to claim 1, wherein the connecting tube (201) has an L-shaped structure with a large upper part and a small lower part.
  3. 3. The portable sputum aspirator capable of continuously aspirating sputum according to claim 1, wherein the portable sputum aspirator body (1) further comprises a connecting cylinder (102), a liquid storage bottle (103) and a sputum aspiration tube (104), the connecting cylinder (102) is fixedly arranged on the suction cylinder (101), the connecting cylinder (102) is fixedly connected and communicated with the other end of the connecting tube (201), the liquid storage bottle (103) is in threaded connection with a fixing tube of the connecting cylinder (102), and the sputum aspiration tube (104) is fixedly arranged on the connecting cylinder (102) and is communicated with the connecting cylinder (102).
  4. 4. The portable sputum aspirator capable of continuously aspirating sputum according to claim 2, wherein the reflux prevention mechanism (3) comprises an aspiration component (4), the aspiration component (4) comprises a fixed column (401), a sliding groove (402), a sliding rod (403), a spring B (404) and a blocking block (405), the fixed column (401) is arranged in a connecting pipe (201) through a plurality of fixed rods and is connected with the connecting pipe (201), the sliding groove (402) is formed in one side, close to an aspiration cylinder (101), of the fixed column (401), the sliding rod (403) is arranged in the sliding groove (402) in a sliding mode, the sliding rod (403) is of a T-shaped structure, the dimension, close to the spring B (404), of the sliding rod (403) is larger than the dimension, far away from the spring B (404), of the sliding rod (403), two ends of the spring B (404) are fixedly connected with the inner wall of the sliding groove (402) and the sliding rod (403) respectively, and the blocking block (405) is fixedly connected with the end of the sliding rod (403) and is in contact with the inner wall of the aspiration cylinder (101) and the inner wall of the connecting pipe (201).
  5. 5. The portable sputum aspirator capable of continuously sucking sputum according to claim 4, wherein the plugging block (405) has a truncated cone structure, the dimension of one side of the plugging block (405) close to the sliding rod (403) is smaller than the dimension of one side of the plugging block (405) far away from the sliding rod (403), and the conical surface of the plugging block (405) is in contact with the suction cylinder (101) and the inner wall of the connecting tube (201).
  6. 6. The portable sputum aspirator capable of continuously aspirating sputum according to claim 4, wherein the anti-reflux mechanism (3) further comprises an exhaust component (5), the exhaust component (5) comprises an exhaust pipe (501), a movable groove (502), a telescopic rod (503), a movable block (504) and a spring C (505), the exhaust pipe (501) is fixedly arranged on the outer circumferential surface of the suction cylinder (101) and communicated with the suction cylinder (101), a filtering component (6) is arranged on the exhaust pipe (501), the exhaust pipe (501) is of a T-shaped structure, the dimension of one side of the exhaust pipe (501) close to the connecting cylinder (102) is larger than the dimension of one side of the exhaust pipe (501) far away from the connecting cylinder (102), the movable groove (502) is formed in the vertical pipe of the exhaust pipe (501), one end of the telescopic rod (503) is fixedly connected with the inner wall of the movable groove (502), the movable block (504) is fixedly connected with the other end of the movable groove (502), the bottom surface of the movable block (504) is an arc-shaped surface, the spring C (505) is sleeved on the outer circumferential surface of the suction cylinder (101), the spring C (505) is matched with the inner wall (502) in a telescopic mode, the strength of the spring C (505) is matched with the two ends of the spring C (502) is fixedly connected with the spring C (502) respectively, and the elastic strength of the spring C (505) is smaller than that of the spring A (210).
  7. 7. The portable sputum aspirator capable of continuously aspirating sputum according to claim 6, wherein the movable block (504) has a truncated cone structure with a bigger upper part and a smaller lower part, and the conical surface of the movable block (504) is in contact with the inner wall of the movable groove (502).
  8. 8. The portable sputum aspirator capable of continuously aspirating sputum according to claim 6, wherein the filter assembly (6) comprises a connecting groove (601), a connecting block (602), an air filter plate (603), a containing groove (604), a stirring groove (605), a positioning groove (606), a positioning block (607), an arc-shaped spring (608) and a stirring block (609), wherein the connecting groove (601) is formed in the circumferential surface of the horizontal tube of the exhaust tube (501), the connecting block (602) is inserted into the connecting groove (601), the air filter plate (603) is fixedly arranged on the connecting block (602) and is in contact with the inner circumferential surface of the horizontal tube of the exhaust tube (501), at least one containing groove (604) is formed in the connecting block (602), a stirring groove (605) is formed in the containing groove (604), at least one positioning groove (606) is formed in the connecting groove (601), the positioning block (607) is slidably arranged in the containing groove (604) in a penetrating manner, the positioning block (606) is in a plug-in fit manner, and two ends of the arc-shaped spring (608) are respectively connected with the inner wall of the containing groove (607) and the stirring block (605) in a sliding manner and are fixedly arranged in the stirring groove (609).
  9. 9. The portable sputum aspirator capable of continuously aspirating sputum according to claim 8, wherein the connecting block (602) is of a major arc structure, the cross section of the connecting block (602) is of an isosceles triangle structure, and the inner wall size of the connecting block (602) is smaller than the outer wall size of the connecting block (602).
  10. 10. The portable sputum aspirator capable of continuously sucking sputum according to claim 9, wherein the positioning block (607) and the positioning groove (606) are arc structures, and the circle center of the connecting block (602), the circle center of the positioning block (607) and the circle center of the positioning groove (606) are all located on the horizontal tube axis of the exhaust tube (501).

Description

Portable sputum aspirator capable of continuously sucking sputum Technical Field The invention relates to the technical field of medical appliances, in particular to a portable sputum aspirator capable of continuously aspirating sputum. Background The portable sputum aspirator is a medical appliance for removing respiratory tract secretion by negative pressure suction principle, is mainly applied to removing viscous liquid such as sputum, pus blood and the like, is suitable for first aid, rehabilitation and home care scenes, and consists of an aspirator, a liquid storage bottle, a sputum aspirator tube and a connecting tube, the power-driven mode can be divided into a manual mode (manual operation) mode and an electric mode (electric pump driving) mode, wherein the electric mode is provided with a rechargeable battery and a vehicle-mounted connecting wire, and part of liquid storage bottles adopt an anti-reflux design. The portable manual sputum aspirator comprises a sputum aspirator box, a sputum aspirator tube and a negative pressure suction structure, wherein a first connecting tube and a second connecting tube are respectively arranged on the sputum aspirator box in a protruding mode, the first connecting tube is detachably connected with the sputum aspirator tube, a fixing structure is arranged on the first connecting tube, the second connecting tube is detachably connected with the negative pressure suction structure, a fixing structure is arranged on the second connecting tube, a one-way valve is arranged on the first connecting tube, an exhaust tube is arranged on the upper end face of the sputum aspirator box, a tube cover is detachably arranged on the exhaust tube, and an exhaust filtering structure is arranged in the exhaust tube. The portable manual sputum aspirator adopts the existing injector and the disposable sputum aspirator tube to be matched with the sputum aspirator box for use, and can be used for the operation of sputum aspiration of patients only by adding one sputum aspirator box, thus saving the whole manufacturing cost. And the sputum suction box is provided with an exhaust filtering structure, so that viruses can be adsorbed in the exhaust process, and the transmission of the viruses is reduced. In the nursing process of the respiratory department, the portable sputum aspirator is required to be used for aspirating sputum of a patient, and in the using process of the traditional portable sputum aspirator, a user directly operates a handle to drive a push rod and a piston to move, so that negative pressure sputum aspiration is realized, but the operation handle is required to drive the push rod and the piston to move horizontally, the operation is inconvenient by one hand, and the sputum aspiration operation is difficult to be carried out rapidly and continuously, so that the using effect of the portable sputum aspirator is influenced. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides the portable sputum aspirator capable of continuously aspirating sputum, and the technical problem to be solved by the invention is that in the use process of the conventional portable sputum aspirator, a user usually directly operates a handle to drive a push rod and a piston to move so as to realize negative pressure sputum aspiration, but the operation handle is required to drive the push rod and the piston to horizontally move for a long stroke, the operation is inconvenient for one-hand operation, and the rapid and continuous sputum aspiration operation is difficult to be carried out in a labor-saving way, so that the use effect of the portable sputum aspirator is affected. The portable sputum aspirator comprises a portable sputum aspirator body, a sputum aspirator assembly and a backflow prevention mechanism, wherein the portable sputum aspirator body comprises an aspiration cylinder, the sputum aspirator assembly is arranged in the aspiration cylinder, the sputum aspirator assembly comprises a connecting pipe, a movable plug, a gear, a groove, a rack, an opening groove, a rotating plate, a handle, a movable block and a spring A, one end of the connecting pipe is fixedly connected and communicated with the aspiration cylinder, the movable plug is slidingly arranged in the aspiration cylinder, the gear is rotationally arranged in the aspiration cylinder through a rotating shaft, the circumferential surface of the aspiration cylinder is provided with a groove, one end of the rack is fixedly connected with the movable plug and meshed with the gear for rotation, the rack is provided with an opening groove, the rotating plate is fixedly arranged on the circumferential surface of the gear, the end of the rotating plate penetrates through the opening groove and the groove to the outside, the handle is fixedly arranged on the outer circumferential surface of the aspiration cylinder, the movable block is slidingly arranged in the aspiration cylinder and is