A sterilizer
Patent Information
- Application Number
- CN202521749062.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-18
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-08-18
AI Technical Summary
[0003]听诊器通常由医疗保健人员持续携带,并反复用于检查多个患者,听诊器的探头每天要经常直接接触多个病人的皮肤,容易粘染细菌,造成患者的交叉感染,因此听诊器的清洁消毒是很重要的,也是应该受到重视的,而现有的消毒方法是用酒精棉球擦拭探头,在病人比较多的时候,这种方法清洁起来不是非常地便捷
[0017] The sterilizer described in this application allows medical staff to simply slide the stethoscope probe into the inlet and then out the outlet to sterilize and clean it, making the operation more convenient and efficient and improving the work efficiency of medical staff.
Smart Images

Figure CN224723468U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a cleaning device, and more particularly to a stethoscope sterilizer. Background Technology
[0002] The stethoscope is the most commonly used diagnostic tool for physicians in internal medicine, surgery, obstetrics and gynecology, and pediatrics. It is a hallmark of physicians, and modern medicine began with the invention of the stethoscope. Since its clinical application on March 8, 1817, the stethoscope has undergone continuous improvements in its shape and sound transmission method, but its basic structure has not changed much. It mainly consists of a sound pickup part (chest piece), a sound transmission part (rubber tube), and a sound hearing part (ear piece).
[0003] Stethoscopes are typically carried continuously by healthcare professionals and repeatedly used to examine multiple patients. The stethoscope probes frequently come into direct contact with the skin of multiple patients daily, making them prone to bacterial contamination and cross-infection. Therefore, cleaning and disinfecting stethoscopes is crucial and should be given due attention. However, the current disinfection method involves wiping the probes with alcohol swabs, which is not very convenient when there are many patients. Utility Model Content
[0004] To make it easier for operators to use, this application provides a sterilizer.
[0005] The sterilizer provided in this application adopts the following technical solution:
[0006] A sterilizer includes a housing with a sliding inlet and a sliding outlet, a channel between the sliding inlet and the sliding outlet, a bottle containing a cleaning and disinfecting solution installed inside the housing, an applicator in the channel, and a linkage component inside the housing that, upon contact with a stethoscope, presses the end of the bottle to spray the cleaning and disinfecting solution onto the applicator.
[0007] Optionally, the housing is provided with a locking component that locks the linkage component after the sterilizer has been used a predetermined number of times.
[0008] Optionally, the linkage component includes a swing arm, a moving frame, and an elastic reset component. The swing arm is rotatably mounted on the housing and located within the channel via a rotating shaft. A first gear is fixedly sleeved on the rotating shaft. The moving frame slides up and down and is connected to the housing. The moving frame is provided with a rack that meshes with the first gear. The elastic reset component is disposed within the housing to position the moving frame.
[0009] Optionally, the locking assembly includes a ratchet, a first pawl, a second pawl, a screw, and a slider. The ratchet is rotatably disposed within the housing. The first pawl is fixedly disposed on the movable frame and restricts the ratchet's rotation in one direction. The second pawl is fixedly disposed within the housing and restricts the ratchet's rotation in one direction. The first and second pawls restrict the ratchet's rotation in the same direction. The housing is provided with an elongated groove. The slider is slidably connected within the elongated groove. The screw is rotatably disposed within the housing and linked to the ratchet. The screw is threadedly connected to the slider.
[0010] Optionally, the slider is provided with a third pawl, and the inner wall of the elongated groove is provided with a unidirectional rack that is adapted to the third pawl to cause the slider to move in one direction.
[0011] Optionally, the housing is provided with several elongated grooves at the sliding entrance.
[0012] Optionally, the applicator includes several arc-shaped pieces and a squeegee made of soft rubber. The arc-shaped pieces are arranged obliquely downward from the slide inlet to the slide outlet. The housing has a drainage hole communicating with the interior of the housing. The squeegee is arc-shaped, and the drainage hole is located in the recess on the side of the squeegee facing the slide inlet.
[0013] Optionally, the housing has several elongated protrusions at the slide outlet.
[0014] Optionally, the housing has a water leakage groove communicating with the interior of the housing at the sliding outlet, and the housing has an arc-shaped guide groove connected to the water leakage groove.
[0015] Optionally, the housing is provided with an opening and closing shielding mechanism at the application component. The opening and closing shielding mechanism includes two shielding plates. The shielding plates are rotatably connected to the housing through two connecting rods. The connecting rods are rotatably connected to the shielding plates. The housing is provided with an elastic element that drives the connecting rods to rotate and causes the two shielding plates to move closer together and close.
[0016] In summary, this application includes at least one of the following beneficial technical effects:
[0017] The sterilizer described in this application allows medical staff to simply slide the stethoscope probe into the inlet and then out the outlet to sterilize and clean it, making the operation more convenient and efficient and improving the work efficiency of medical staff. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the probe's structure.
[0019] Figure 2 This is a perspective view of an embodiment of this application.
[0020] Figure 3This is a perspective view of an embodiment of this application with the left half of the shell removed.
[0021] Figure 4 yes Figure 2 The 3D model is then created by removing the obscuring panels.
[0022] Figure 5 This is a perspective view of the locking component in an embodiment of this application.
[0023] Explanation of reference numerals in the attached drawings: 1. Slide inlet; 2. Slide outlet; 3. Channel; 4. Bottle body; 5. Shell; 51. Left half shell; 52. Right half shell; 53. Mounting frame; 54. Slot; 55. Card slot; 56. Elastic locking block; 6. Application component; 61. Arc-shaped piece; 62. Squeegee; 63. Drain hole; 7. Linkage component; 71. Swing arm; 72. Moving frame; 73. Elastic reset component; 74. First gear; 75. Rack; 76. Rotating shaft; 8. Locking component 81. Ratchet; 82. First pawl; 83. Second pawl; 84. Screw; 85. Slider; 86. Long groove; 9. Third pawl; 10. One-way rack; 11. Long protrusion; 12. Drainage groove; 13. Arc-shaped guide groove; 14. Shielding mechanism; 141. Shielding plate; 142. Connecting rod; 143. Elastic element; 15. Rotating shaft; 16. Gear set; 17. Probe; 171. Hand grip; 172. Head; 173. Connecting rod. Detailed Implementation
[0024] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.
[0025] This application discloses a sterilizer, including a housing 5, with a sliding inlet 1 and a sliding outlet 2 on the housing 5, and a channel 3 between the sliding inlet 1 and the sliding outlet 2. A bottle 4 filled with cleaning and disinfecting liquid (the bottle 4 is a spray bottle commonly used for disinfectants on the market) is installed inside the housing 5. Two bottles 4 are provided. An applicator 6 is provided in the channel 3. A linkage component 7 is also provided in the housing 5, which, after contacting a stethoscope, presses the end of the bottle 4 to spray the cleaning and disinfecting liquid onto the applicator 6.
[0026] The linkage component 7 includes a swing arm 71, a moving frame 72, and an elastic reset member 73. The elastic reset member 73 is a spring. The swing arm 71 is rotatably mounted on the housing 5 and located in the channel 3 via a rotating shaft 76. A first gear 74 is fixedly sleeved on the rotating shaft 76. The moving frame 72 slides up and down and is connected to the housing 5. A rack 75 that meshes with the first gear 74 is provided on the moving frame 72. The elastic reset member 73 is located in the housing 5 to position the moving frame 72. When the stethoscope probe 17 slides from the inlet 1 into the channel 3, it will contact the swing arm 71 and push the swing arm 71 to rotate. After the swing arm 71 rotates, it will drive the rotating shaft 76 and the first gear 74 to rotate together. After the first gear 74 rotates, it will drive the rack 75 and the moving frame 72 to move downward together. The moving frame 72 presses the end of the bottle 4 to spray the cleaning and disinfecting liquid onto the applicator 6. When the probe 17 passes the swing arm 71, the swing arm 71 loses its force. The entire moving frame 72, the first gear 74 and the rack 75 will be reset under the action of the elastic reset member 73. There are two sets of linkage components 7.
[0027] The housing 5 also includes a locking component 8 that locks the linkage component 7 after the sterilizer has been used a predetermined number of times. The locking component 8 prevents the swing arm 71 from rotating after the sterilizer has been used a predetermined number of times, thus preventing the probe 17 from smoothly entering the channel 3. This serves to remind medical staff that the disinfectant solution has been used up, preventing the stethoscope from not being properly sterilized.
[0028] The locking assembly 8 includes a ratchet 81, a first pawl 82, a second pawl 83, a screw 84, and a slider 85. The ratchet 81 is rotatably mounted inside the housing 5. The first pawl 82 is fixedly mounted on the moving frame 72 and restricts the ratchet 81 to rotate in one direction. The second pawl 83 is fixedly mounted inside the housing 5 and also restricts the ratchet 81 to rotate in one direction. The first pawl 82 and the second pawl 83 restrict the ratchet 81 to rotate in the same direction. A long strip-shaped groove 86 is provided inside the housing 5, and the slider 85 is slidably connected to the long strip-shaped groove 86. The screw 84 is rotatably mounted inside the housing 5. A rotating shaft 15 is also rotatably mounted inside the housing 5. The screw 84 is threadedly connected to the slider 85. The rotating shaft 15 is linked to the screw 84 through a gear set 16. The gear set 16 is a reduction gear set 16, which can make the slider 85 move more slowly, so that more disinfectant can be stored in the larger bottle 4.
[0029] As the moving frame 72 moves downward, the first pawl 82 pushes the ratchet 81 to rotate, and the second pawl 83 slides on the ratchet 81. The rotation of the ratchet 81 drives the gear set 16, the rotating shaft 15, and the screw 84 to rotate together. The rotation of the screw 84 then drives the slider 85 to move. When the slider 85 reaches the end of the elongated groove 86, it can no longer move, thus preventing the subsequent rotation of the swing arm 71 and restricting the probe 17 from sliding into the channel 3, indicating that the disinfectant in the bottle 4 has been used up. Subsequently, as the moving frame 72 resets upward under the action of the elastic reset member 73, the second pawl 83 restricts the rotation of the ratchet 81, and the first pawl 82 moves upward along with the moving frame 72, with its free end sliding on the ratchet 81.
[0030] The housing 5 includes a left half-shell 51, a right half-shell 52, and a mounting frame 53. The bottle 4 is installed inside the mounting frame 53. A long strip groove 86 and a slider 85 are both provided on the mounting frame 53. The left half-shell 51 and the right half-shell 52 are fastened together by bolts to form an outer shell. A slot 54 is provided at the bottom of the outer shell for the mounting frame 53 to be inserted into. The mounting frame 53 is inserted into the slot 54. An elastic locking block 56 is provided on the mounting frame 53. A slot 55 that matches the elastic locking block 56 is provided on the outer shell. The elastic locking block 56 is engaged in the slot 55 to fix the mounting frame 53 to the outer shell. When the disinfectant needs to be replaced, simply press the elastic locking block 56 to disengage it from the slot 55, and the mounting frame 53 and the bottle 4 can be pulled out from the slot 54 together.
[0031] A third pawl 9 is provided on the slider 85, and a one-way rack 10 is provided on the inner wall of the elongated groove 86 to adapt to the third pawl 9 and cause the slider 85 to move in one direction. The teeth on the one-way rack 10 are the same as the teeth on the ratchet 81, which can limit the unidirectional movement of the pawl. The arrangement of the third pawl 9 and the one-way rack 10 makes it less likely for the slider 85 to move when it is inserted into the slot 54 together with the mounting frame 53.
[0032] The housing 5 has several elongated grooves at the slide inlet 1, which extend along the slide inlet 1 to the slide outlet 2. The elongated grooves reduce the contact area with the stethoscope head 172, thus reducing the risk of contamination.
[0033] The application component 6 includes several arc-shaped pieces 61 and a squeegee 62 made of soft rubber. The arc-shaped pieces 61 are inclined downwards from the sliding inlet 1 to the sliding outlet 2. A drain hole 63 communicating with the interior of the housing 5 is provided on the housing 5. The squeegee 62 is arc-shaped, and the drain hole 63 is located in the recess on the side of the squeegee 62 facing the sliding inlet 1. When the end of the bottle 4 is pressed, the disinfectant is sprayed onto the arc-shaped pieces 61. When the stethoscope probe 17 passes through the arc-shaped pieces 61, the disinfectant inside the arc-shaped pieces 61 is applied to the probe 17 and wiped by the arc-shaped pieces 61. When the probe 17 passes through the squeegee 62, the disinfectant on the probe 17 is scraped off, and the excess disinfectant flows along the squeegee 62 into the drain hole 63.
[0034] The housing 5 has several elongated protrusions 11 at the sliding outlet 2. The applicator 6 is located between the elongated groove and the elongated protrusions 11. After passing through the applicator 6, the probe 17 moves to the elongated protrusions 11. The elongated protrusions 11 are also designed to reduce the contact area with the stethoscope head 172 and reduce the risk of contamination.
[0035] The housing 5 has a drainage groove 12 at the slide outlet 2 that communicates with the interior of the housing 5, and an arc-shaped guide groove 13 connected to the drainage groove 12 is provided in the housing 5. A small amount of disinfectant will continue to flow down after passing through the wiper 62, and can be quickly guided into the water channel when passing through the arc-shaped guide groove 13.
[0036] The housing 5 is equipped with an opening and closing shielding mechanism 14 at the application assembly 6. The opening and closing shielding mechanism 14 includes two shielding plates 141. The shielding plates 141 are rotatably connected to the housing 5 via two connecting rods 142. The connecting rods 142 are rotatably connected to the shielding plates 141. The housing 5 is provided with an elastic element 143, which drives the connecting rods 142 to rotate and causes the two shielding plates 141 to move closer together and close. The elastic element 143 is a torsion spring. When the two shielding plates 141 are closed together, they form an arc-shaped notch facing the sliding entrance 1. 7 further includes a head 172, a handle 171, and a connecting rod 173. The connecting rod 173 connects the head 172 and the handle 171. When the probe 17 passes through the two baffles 141, the connecting rod 173 will squeeze between the two baffles 141 and gradually separate them. The handle 171 is located on the outside of the baffles 141, and the head 172 is located on the inside of the baffles 141. After the connecting rod 173 passes through the two baffles 141, the two baffles 141 will close again under the action of the torsion spring. The baffle mechanism 14 can partially block the spray of disinfectant from the bottle 4.
[0037] The implementation principle of the sterilizer in this embodiment is as follows: When medical staff clean and disinfect the stethoscope, they only need to hold the handle 171 with one hand, and then slide the head 172 down from the sliding port 1. The head 172 will push the swing arm 71 to rotate, and then press the end of the bottle 4 through the linkage component 7, so that the bottle 4 sprays out cleaning and disinfecting liquid onto the smearing component 6. When the head 172 passes through the smearing component 6, the disinfectant on the smearing component 6 will be applied to the head 172 and wiped by the smearing component 6, thereby cleaning and disinfecting the head 172. After cleaning and disinfection, it can slide out smoothly from the sliding port 2. The whole operation process is simple, convenient and smooth, which greatly improves the work efficiency of medical staff.
[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A sterilizer, comprising a housing (5), characterized in that: The housing (5) is provided with a sliding inlet (1) and a sliding outlet (2), and a channel (3) is provided between the sliding inlet (1) and the sliding outlet (2). A bottle (4) filled with cleaning and disinfecting liquid is installed inside the housing (5). An applicator (6) is provided inside the channel (3). The housing (5) is also provided with a linkage component (7) that, after contacting the stethoscope, presses the end of the bottle (4) to spray the cleaning and disinfecting liquid onto the applicator (6).
2. A sterilizer according to claim 1, characterized in that: The housing (5) is provided with a locking component (8) that locks the linkage component (7) after the sterilizer has been used a predetermined number of times.
3. A sterilizer according to claim 1, characterized in that: The linkage component (7) includes a swing arm (71), a moving frame (72), and an elastic reset component (73). The swing arm (71) is rotatably mounted on the housing (5) and located in the channel (3) via a rotating shaft (76). A first gear (74) is fixedly mounted on the rotating shaft (76). The moving frame (72) slides up and down and is connected to the housing (5). The moving frame (72) is provided with a rack (75) that meshes with the first gear (74). The elastic reset component (73) is located in the housing (5) to position the moving frame (72).
4. A sterilizer according to claim 2, characterized in that: The locking assembly (8) includes a ratchet (81), a first pawl (82), a second pawl (83), a screw (84), and a slider (85). The ratchet (81) is rotatably disposed within the housing (5). The first pawl (82) is fixedly disposed on the movable frame (72) and restricts the ratchet (81) from rotating in one direction. The second pawl (83) is fixedly disposed within the housing (5) and restricts the ratchet (81) from rotating in one direction. The first pawl (82) and the second pawl (83) restrict the ratchet (81) from rotating in the same direction. The housing (5) is provided with a long strip groove (86). The slider (85) is slidably connected within the long strip groove (86). The screw (84) is rotatably disposed within the housing (5) and is linked with the ratchet (81). The screw (84) is threadedly connected to the slider (85).
5. A sterilizer according to claim 4, characterized in that: The slider (85) is provided with a third pawl (9), and the inner wall of the elongated groove (86) is provided with a one-way rack (10) that is adapted to the third pawl (9) to cause the slider (85) to move in one direction.
6. A sterilizer according to claim 1, characterized in that: The shell (5) is provided with several elongated grooves at the sliding entrance (1).
7. A sterilizer according to claim 1, characterized in that: The applicator (6) includes several arc-shaped pieces (61) and a squeegee (62) made of soft rubber. The arc-shaped pieces (61) are inclined downward from the slide inlet (1) to the slide outlet (2). The housing (5) has a drain hole (63) communicating with the inside of the housing (5). The squeegee (62) is arc-shaped. The drain hole (63) is located in the recess of the squeegee (62) facing the slide inlet (1).
8. A sterilizer according to claim 1, characterized in that: The housing (5) has several elongated protrusions (11) at the sliding outlet (2).
9. A sterilizer according to claim 1, characterized in that: The housing (5) has a water leakage groove (12) at the sliding outlet (2) that communicates with the interior of the housing (5), and the housing (5) has an arc-shaped guide groove (13) that is connected to the water leakage groove (12).
10. A sterilizer according to claim 1, characterized in that: The housing (5) is provided with an opening and closing shielding mechanism (14) at the application component (6). The opening and closing shielding mechanism (14) includes two shielding plates (141). The shielding plates (141) are rotatably connected to the housing (5) through two connecting rods (142). The connecting rods (142) are rotatably connected to the shielding plates (141). The housing (5) is provided with an elastic element (143) that drives the connecting rods (142) to rotate and causes the two shielding plates (141) to close together.