A negative pressure suction device for suctioning sputum

Abstract

The present invention relates to a negative pressure suction device for sputum suction, which belongs to the technical field of medical devices, and includes a mounting frame, a negative pressure mechanism and a sputum collector; the sputum collector includes a negative pressure bottle placed on the mounting frame, an opening is left on the upper side of the negative pressure bottle, and a cover is sealed and connected at the opening; a disposable sputum collection bottle is arranged inside the negative pressure bottle, and a positioning component for fixing the disposable sputum collection bottle is arranged on the cover and on a side close to the negative pressure bottle; a first connecting hole and a second connecting hole are opened on the cover, and a disposable sputum suction tube and a negative pressure connecting pipe are also included; the disposable sputum suction tube end passes through the first connecting hole and is placed in the disposable sputum collection bottle; the negative pressure connecting pipe passes through the second connecting hole and is placed outside the disposable sputum collection bottle; fixing components are respectively arranged at the first connecting hole and the second connecting hole. The disposable sputum collection bottle and the disposable sputum suction tube can be quickly replaced and processed, and the cleaning work coefficient is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a negative pressure suction device for suctioning sputum. Background Art

[0002] At present, negative pressure suction equipment is widely used in clinical work. It uses the vacuum working principle to generate negative pressure in the cavity, thereby guiding the liquid in the cavity out to achieve the purpose of sewage discharge and purification.

[0003] The negative pressure suction device in the prior art generally comprises a negative pressure mechanism, a sputum collection bottle connected to the negative pressure mechanism, and a sputum suction tube. When in use, when the negative pressure mechanism generates negative pressure, sputum is suctioned through the sputum suction tube.

[0004] Although this method can be used for suction, in the prior art, the suction tube is generally a disposable tube, and the sputum collection bottle inside is used multiple times. After each collection, the sputum inside needs to be cleaned. The cleaning work is difficult, and multiple uses are prone to cross infection. Summary of the invention

[0005] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a negative pressure suction device for suctioning sputum, which can quickly replace and process disposable sputum collection bottles and disposable sputum suction tubes, thereby reducing the cleaning work coefficient.

[0006] In order to achieve the above-mentioned object of the invention, a technical solution provided by the present invention is as follows:

[0007] A negative pressure suction device for sputum suction, comprising a mounting frame, a negative pressure mechanism is fixedly arranged on one side of the mounting frame, and a sputum collector is arranged on the other side; the sputum collector comprises a negative pressure bottle placed on the mounting frame, an opening is reserved on the upper side of the negative pressure bottle, and a sealing cover is sealed and connected to the opening; a disposable sputum collection bottle is arranged on the inner side of the negative pressure bottle, and a positioning component for fixing the disposable sputum collection bottle is arranged on the sealing cover and on a side close to the negative pressure bottle; a first connecting hole and a second connecting hole are opened on the sealing cover, and the first connecting hole is located at The second connecting hole is located on the inner side of the disposable sputum collection bottle, and the outer side of the disposable sputum collection bottle; it also includes a disposable sputum suction tube and a negative pressure connecting tube; one end of the disposable sputum suction tube is connected to the patient, and the other end passes through the first connecting hole and is placed in the disposable sputum collection bottle; one end of the negative pressure connecting tube is connected to the negative pressure mechanism, and the other end passes through the second connecting hole and is placed on the outer side of the disposable sputum collection bottle; fixing components for fixing and sealing the disposable sputum suction tube and the negative pressure connecting tube are respectively arranged at the first connecting hole and the second connecting hole.

[0008] Preferably, an ultraviolet lamp is provided on the lower side of the sealing cover, and the ultraviolet lamp is located on a side close to the disposable sputum collection bottle, and can disinfect the sputum in the disposable sputum collection bottle.

[0009] Preferably, the positioning assembly includes a plurality of positioning blocks spaced apart along the circumferential direction of the first connecting hole, and a connecting groove is formed between adjacent positioning blocks; a plurality of the positioning blocks are provided with limiting grooves on a side surface close to the first connecting hole, and a filter ring is embedded in the inner side of the limiting grooves of the plurality of positioning blocks; an outer edge is provided on the upper side of the disposable sputum collection bottle, and a positioning ring is threadedly connected to the inner side of the plurality of positioning blocks, and the cross-section of the positioning ring is "L"-shaped, the upper end of which abuts against the lower side surface of the filter ring, and the horizontal end thereof supports the outer edge.

[0010] Preferably, the fixing assembly includes a limiting plate fixed to the outside of the disposable suction tube or the negative pressure connecting tube, and a sleeve is integrally formed with the limiting plate at one end close to the cover, and the sleeve is sleeved on the outside of the disposable suction tube or the negative pressure connecting tube and can pass through the first connecting hole or the second connecting hole; a fixing ring is provided on the side of the cover close to the negative pressure bottle, and the fixing ring is threadedly connected to the outside of the sleeve; sealing rings are respectively provided between the limiting plate and the cover, and between the fixing ring and the cover.

[0011] Preferably, a pressure regulating unit is provided on the negative pressure connecting pipe, and the pressure regulating unit comprises a pressure regulating pipe connected to the negative pressure connecting pipe, and a control valve is provided on the pressure regulating pipe.

[0012] Preferably, a filter assembly is provided inside the negative pressure bottle, and the filter assembly is connected to the air inlet end of the negative pressure connecting pipe.

[0013] Preferably, the filter assembly includes a sliding rod and a mounting sleeve fixed to the inner side of the negative pressure bottle, the sliding rod being located on the outer side of the disposable sputum collection bottle; a C-shaped clip is provided on the outer side of the mounting sleeve, and the C-shaped clip is elastically engaged with the sliding rod; a mounting cover is provided on the pipe section of the negative pressure connecting pipe extending into the negative pressure bottle, and the mounting cover is covered with the mounting sleeve; an annular support frame is formed on the inner side of the mounting sleeve, the negative pressure connecting pipe is located on the inner side of the support frame, and a sterilization layer is provided between the support frame and the mounting sleeve; ventilation holes are provided at intervals on the side wall of the mounting sleeve.

[0014] Preferably, support feet are provided at the bottom of the mounting frame.

[0015] Preferably, a handle is provided on the upper side of the negative pressure mechanism.

[0016] Preferably, an inwardly concave placement groove is provided on the mounting frame and located on one side of the negative pressure mechanism, and the sputum collector is placed in the placement groove.

[0017] The present invention provides a negative pressure suction device for sputum suction. Through the provided negative pressure bottle, cover, positioning assembly and fixing assembly, a disposable sputum collection bottle and a disposable sputum suction tube can be detachably sealed and fixed. When in use, the negative pressure bottle is connected. After the sputum suction is completed, the disposable sputum suction tube and the disposable sputum collection bottle can be directly disposed of, which can not only realize the sputum suction operation for the patient, but also facilitate the cleaning of the negative pressure suction device after sputum suction. At the same time, the filter ring and the filter assembly provided at the cover can realize secondary filtration and sterilization of the gas in the negative pressure bottle to avoid cross infection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a negative pressure suction device for suctioning sputum of the present invention;

[0019] Figure 2 It is a schematic diagram of a protruding sputum collector in a negative pressure suction device for sputum suction of the present invention;

[0020] Figure 3 A bottom view of a protruding cover in a negative pressure suction device for sputum suction of the present invention;

[0021] Figure 4 It is a schematic diagram of a protruding positioning component in a negative pressure suction device for suctioning sputum of the present invention;

[0022] Figure 5 It is a schematic diagram of a protruding fixed component in a negative pressure suction device for sputum suction of the present invention;

[0023] Figure 6 It is a schematic diagram of a protruding filter component in a negative pressure suction device for suctioning sputum of the present invention.

[0024] Reference numerals in the figures:

[0025] 100, mounting frame; 110, supporting foot; 120, handle; 130, placement slot; 200, negative pressure mechanism; 300, sputum collector; 310, negative pressure bottle; 320, cover; 321, first connecting hole; 322, second connecting hole; 330, disposable sputum collection bottle; 331, outer edge; 340, positioning assembly; 341, positioning block; 341a, limiting slot; 342, connecting slot; 343, filter ring; 344, positioning ring; 35 0. Disposable suction tube; 360. Negative pressure connecting tube; 370. Fixing assembly; 371. Limiting plate; 372. Sleeve; 373. Fixing ring; 374. Sealing ring; 380. Ultraviolet lamp; 400. Pressure regulating unit; 410. Pressure regulating pipe; 420. Control valve; 500. Filter assembly; 510. Sliding rod; 520. Mounting sleeve; 521. C-shaped card; 522. Vent; 530. Mounting cover; 540. Support frame; 550. Sterilization layer. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] Example

[0028] The present invention provides a negative pressure suction device for suctioning sputum, see Figure 1-Figure 6 , including a mounting frame 100, a negative pressure mechanism 200 is fixedly arranged on one side of the mounting frame 100, and a sputum collector 300 is arranged on the other side; when working, sputum is sucked through the sputum collector 300.

[0029] Specifically, the sputum collector 300 includes a negative pressure bottle 310 placed on the mounting frame 100, an opening is left on the upper side of the negative pressure bottle 310, and a cover 320 is sealed and connected to the opening; a disposable sputum collection bottle 330 is arranged on the inner side of the negative pressure bottle 310, and a positioning component 340 for fixing the disposable sputum collection bottle 330 is arranged on the cover 320 and on a side close to the negative pressure bottle 310; a first connecting hole 321 and a second connecting hole 322 are opened on the cover 320, the first connecting hole 321 is located on the inner side of the disposable sputum collection bottle 330, and the second connecting hole 322 is located on the outer side of the disposable sputum collection bottle 330. A disposable sputum suction tube 350 and a negative pressure connecting tube 360 ​​are also provided; one end of the disposable sputum suction tube 350 is connected to the patient, and the other end passes through the first connecting hole 321 and is placed in the disposable sputum collection bottle 330; one end of the negative pressure connecting tube 360 ​​is connected to the negative pressure mechanism 200, and the other end passes through the second connecting hole 322 and is placed outside the disposable sputum collection bottle 330; fixing components 370 for fixing and sealing the disposable sputum suction tube 350 and the negative pressure connecting tube 360 ​​are respectively provided at the first connecting hole 321 and the second connecting hole 322.

[0030] During operation, the disposable sputum suction tube 350, the negative pressure connecting tube 360 ​​and the cover 320 are fixedly installed by the fixing assembly 370. The disposable sputum collection bottle 330 is fixed to the lower side of the cover 320 by the positioning assembly 340, and then the cover 320 is fixedly connected to the negative pressure bottle 310. The negative pressure mechanism 200 is started to make the negative pressure bottle 310 in a negative pressure state, and sputum is suctioned through the disposable sputum suction tube 350. After the sputum suction is completed, the disposable sputum suction tube 350 and the disposable sputum collection bottle 330 are discarded and replaced to complete the sorting work.

[0031] The positioning assembly 340 includes a plurality of positioning blocks 341 arranged at intervals along the circumference of the first communicating hole 321, and a communicating groove 342 is formed between adjacent positioning blocks 341; a plurality of positioning blocks 341 are provided with a limiting groove 341a on one side close to the first communicating hole 321, and a filter ring 343 is embedded in the limiting groove 341a of the plurality of positioning blocks 341; an outer edge 331 is arranged on the upper side of the disposable sputum collection bottle 330, and a positioning ring 344 is threadedly connected to the inner side of the plurality of positioning blocks 341, and the cross section of the positioning ring 344 is "L" shaped, and its upper end abuts against the lower side of the filter ring 343, and its horizontal end supports the outer edge 331. During installation, the outer edge 331 of the disposable sputum collection bottle 330 is supported by the positioning ring 344, so that the disposable sputum collection bottle 330 and the cover 320 are kept in a fixed position. At the same time, the filter ring 343 arranged on the inner side of the plurality of positioning blocks 341 can preliminarily filter the air. The filter ring 343 may be used to filter water vapor or other possible viruses and bacteria, and the specific material is not limited.

[0032] The fixing assembly 370 includes a limiting plate 371 fixed to the outside of the disposable sputum suction tube 350 or the negative pressure connecting tube 360, and a sleeve 372 is integrally formed at one end of the limiting plate 371 close to the cover 320, and the sleeve 372 is sleeved on the outside of the disposable sputum suction tube 350 or the negative pressure connecting tube 360, and can pass through the first connecting hole 321 or the second connecting hole 322; a fixing ring 373 is provided on one side of the cover 320 close to the negative pressure bottle 310, and the fixing ring 373 is threadedly connected to the outside of the sleeve 372; a sealing ring 374 is respectively provided between the limiting plate 371 and the cover 320, and between the fixing ring 373 and the cover 320. The disposable sputum suction tube 350 and the negative pressure connecting tube 360 ​​can be fixed by the setting of the fixing assembly 370, and the inside of the negative pressure bottle 310 is kept in a closed environment. By fixing the disposable sputum suction tube 350 , during the sputum suction process, the positions of the disposable sputum suction tube 350 and the disposable sputum collection bottle 330 inside the negative pressure bottle 310 remain stable, making the operation convenient.

[0033] The negative pressure connecting pipe 360 ​​is provided with a pressure regulating unit 400, and the pressure regulating unit 400 includes a pressure regulating pipe 410 connected with the negative pressure connecting pipe 360, and a control valve 420 is provided on the pressure regulating pipe 410. The other end of the pressure regulating pipe 410 is connected with the outside air.

[0034] A filter assembly 500 is provided inside the negative pressure bottle 310, and the filter assembly 500 is connected to the air inlet end of the negative pressure connecting tube 360. The filter assembly 500 includes a slide bar 510 and a mounting sleeve 520 fixed to the inside of the negative pressure bottle 310, and the slide bar 510 is located outside the disposable sputum collection bottle 330; a C-shaped clip 521 is provided outside the mounting sleeve 520, and the C-shaped clip 521 is elastically clamped with the slide bar 510; a mounting cover 530 is provided on the pipe section of the negative pressure connecting tube 360 ​​extending into the negative pressure bottle 310, and the mounting cover 530 is covered with the mounting sleeve 520; an annular support frame 540 is formed inside the mounting sleeve 520, and the negative pressure connecting tube 360 ​​is located inside the support frame 540, and a sterilization layer 550 is provided between the support frame 540 and the mounting sleeve 520; and vent holes 522 are provided on the side wall of the mounting sleeve 520 at intervals. Each time it is used, the sterilization layer 550 can be replaced. Through this arrangement, during use, the air entering the negative pressure mechanism 200 in the negative pressure bottle 310 can be filtered and sterilized to avoid cross infection.

[0035] Furthermore, a support foot 110 is provided at the bottom of the mounting frame 100. A handle 120 is provided on the upper side of the negative pressure mechanism 200. An inwardly concave placement groove 130 is provided on the mounting frame 100 and located on one side of the negative pressure mechanism 200, and the sputum collector 300 is placed in the placement groove 130. Through the above arrangement, the user experience of the negative pressure suction device for sputum suction can be further improved.

[0036] Preferably, an ultraviolet lamp 380 is provided on the lower side of the cover 320, and the ultraviolet lamp 380 is located on a side close to the disposable sputum collection bottle 330, and can disinfect the sputum in the disposable sputum collection bottle 330. The ultraviolet lamp is a ring lamp, and a power connection line or a power supply for supplying power to the ultraviolet lamp 380 is provided on the outside.

[0037] The present invention provides a negative pressure suction device for sputum suction. Through the provided negative pressure bottle 310, cover 320, positioning assembly 340 and fixing assembly 370, a disposable sputum collection bottle 330 and a disposable sputum suction tube 350 can be detachably sealed and fixed. When in use, they are connected to the negative pressure bottle 310. After the sputum suction is completed, the disposable sputum suction tube 350 and the disposable sputum collection bottle 330 can be directly processed, which can not only realize the sputum suction operation for the patient, but also facilitate the cleaning of the negative pressure suction device after the sputum suction. At the same time, the filter ring 343 and the filter assembly 500 provided at the cover 320 can realize secondary filtration and sterilization of the gas in the negative pressure bottle 310 to avoid cross infection.

[0038] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0040] The above-mentioned embodiments only express the implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A negative pressure suction device for suctioning sputum, characterized in that: It comprises a mounting frame (100), a negative pressure mechanism (200) being fixedly arranged on one side of the mounting frame (100), and a sputum collector (300) being arranged on the other side; The sputum collector (300) comprises a negative pressure bottle (310) placed on the mounting frame (100), an opening being provided on the upper side of the negative pressure bottle (310), and a sealing cover (320) being sealedly connected to the opening; A disposable sputum collection bottle (330) is arranged inside the negative pressure bottle (310), and a positioning component (340) for fixing the disposable sputum collection bottle (330) is arranged on the cover (320) and on a side close to the negative pressure bottle (310); The sealing cover (320) is provided with a first communicating hole (321) and a second communicating hole (322), wherein the first communicating hole (321) is located inside the disposable sputum collection bottle (330), and the second communicating hole (322) is located outside the disposable sputum collection bottle (330); Also included is a disposable sputum suction tube (350) and a negative pressure connecting tube (360); One end of the disposable sputum suction tube (350) is connected to the patient, and the other end passes through the first connecting hole (321) and is placed in the disposable sputum collection bottle (330); one end of the negative pressure connecting tube (360) is connected to the negative pressure mechanism (200), and the other end passes through the second connecting hole (322) and is placed outside the disposable sputum collection bottle (330); A fixing assembly (370) for fixing and sealing the disposable sputum suction tube (350) and the negative pressure connecting tube (360) is respectively provided at the first connecting hole (321) and the second connecting hole (322); The positioning assembly (340) comprises a plurality of positioning blocks (341) arranged at intervals along the circumference of the first communicating hole (321), and a communicating groove (342) is formed between adjacent positioning blocks (341); A plurality of the positioning blocks (341) are provided with limiting grooves (341a) on one side thereof close to the first communicating hole (321), and a filter ring (343) is embedded inside the limiting grooves (341a) of the plurality of the positioning blocks (341); An outer edge (331) is provided on the upper side of the disposable sputum collection bottle (330). The inner sides of the plurality of positioning blocks (341) are threadedly connected to positioning rings (344), the positioning rings (344) having an "L"-shaped cross section, the upper end of which abuts against the lower side of the filter ring (343), and the horizontal end of which supports the outer edge (331); The fixing component (370) comprises a limiting plate (371) fixed to the outer side of the disposable sputum suction tube (350) or the negative pressure connecting tube (360); a sleeve (372) is integrally formed at one end of the limiting plate (371) close to the sealing cover (320); the sleeve (372) is sleeved on the outer side of the disposable sputum suction tube (350) or the negative pressure connecting tube (360) and can pass through the first connecting hole (321) or the second connecting hole (322); A fixing ring (373) is provided on a side of the sealing cap (320) close to the negative pressure bottle (310), and the fixing ring (373) is threadedly connected to the outer side of the sleeve (372); A sealing ring (374) is provided between the limiting plate (371) and the sealing cover (320), and between the fixing ring (373) and the sealing cover (320), respectively; A pressure regulating unit (400) is provided on the negative pressure connecting pipe (360), and the pressure regulating unit (400) comprises a pressure regulating pipe (410) connected to the negative pressure connecting pipe (360), and a control valve (420) is provided on the pressure regulating pipe (410).

2. The negative pressure suction device for sputum suction according to claim 1, characterized in that: An ultraviolet lamp (380) is disposed on the lower side of the sealing cover (320). The ultraviolet lamp (380) is located on a side close to the inside of the disposable sputum collection bottle (330) and can sterilize the sputum in the disposable sputum collection bottle (330).

3. The negative pressure suction device for sputum suction according to claim 1, characterized in that: A filter assembly (500) is provided inside the negative pressure bottle (310), and the filter assembly (500) is connected to the air inlet end of the negative pressure connecting pipe (360).

4. The negative pressure suction device for sputum suction according to claim 3, characterized in that: The filter assembly (500) comprises a slide bar (510) and a mounting sleeve (520) fixed to the inner side of the negative pressure bottle (310); the slide bar (510) is located on the outer side of the disposable sputum collection bottle (330); A C-shaped clip (521) is provided on the outer side of the installation sleeve (520), and the C-shaped clip (521) is elastically clipped to the sliding rod (510); A mounting cover (530) is provided on the pipe section of the negative pressure connecting pipe (360) extending into the negative pressure bottle (310), and the mounting cover (530) covers the mounting sleeve (520); An annular support frame (540) is formed inside the mounting sleeve (520), the negative pressure connecting pipe (360) is located inside the support frame (540), and a sterilization layer (550) is provided between the support frame (540) and the mounting sleeve (520); Ventilation holes (522) are provided at intervals on the side wall of the installation sleeve (520).

5. The negative pressure suction device for sputum suction according to claim 1, characterized in that: A supporting foot (110) is provided at the bottom of the mounting frame (100).

6. The negative pressure suction device for sputum suction according to claim 1, characterized in that: A handle (120) is provided on the upper side of the negative pressure mechanism (200).

7. The negative pressure suction device for suctioning sputum according to claim 1, characterized in that: An inwardly concave placement groove (130) is provided on the mounting frame (100) and located on one side of the negative pressure mechanism (200), and the sputum collector (300) is placed in the placement groove (130).

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