Disposable heat and humidity exchanger

Abstract

The utility model relates to the technical field of heat and humidity exchangers, in particular to a disposable heat and humidity exchanger which comprises a tubular shell, a machine end connector, a machine connecting pipe, a patient end connector, a patient end connecting pipe, a clamping groove, a connecting assembly and a sealing ring. An exhaust pipe is arranged at one end of the tubular shell, a machine end connector is arranged at one end of the tubular shell and arranged on one side of the exhaust pipe, a machine connecting pipe is arranged on the inner side of the machine end connector, a patient end connector is arranged at the other end of the tubular shell, and a patient end connecting pipe is arranged on the inner side of the patient end connector. Clamping grooves are formed in the inner sides of the machine end connector and the patient end connector, connecting assemblies are arranged on the inner sides of the clamping grooves, and sealing rings are arranged on the outer sides of the machine connecting pipe and the patient end connecting pipe. Through a rotary clamping mode, the connection stability of the heat and humidity exchanger during use is guaranteed, accidents are avoided, meanwhile, the sealing performance during use is guaranteed, and therefore the practical value of the heat and humidity exchanger is effectively enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat and moisture exchanger technical field especially relates to disposable heat and moisture exchanger. BACKGROUND

[0002] Heat and moisture exchanger plays an important role in medical field, especially in respiratory support and management, it utilizes the moisture and heat in patient's exhaled gas to humidify the dry gas about to be inhaled, keeps the humidification of airway mucosa, maintains the normal movement of cilia, thereby effectively prevents the problems such as airway mucosa dryness, damage and secretion viscous scab.

[0003] The present heat and moisture exchanger both ends connecting structure mostly sets relatively simple, if not careful when using, the connecting end of exchanger is easy to loosen and slip, the stability of connection is often poor, can lead to the occurrence of medical accident, and the sealing effect of exchanger is relatively limited.

[0004] Therefore, aiming at the condition that the connecting end of existing heat and moisture exchanger is easy to slip, disposable heat and moisture exchanger can be designed, the stability of heat and moisture exchanger connection when using is guaranteed through the mode of rotating clamping, accidental accidents are avoided, and the sealing property when using is ensured, thereby effectively enhancing the practical value of heat and moisture exchanger. SUMMARY

[0005] In order to overcome the problems that most heat and moisture exchangers, if not careful when using, the connecting end of exchanger is easy to loosen and slip, the stability of connection is often poor, can lead to the occurrence of medical accident, and the sealing effect of exchanger is relatively limited.

[0006] The technical scheme of the utility model is: disposable heat and moisture exchanger, including tubular shell, exchange assembly, exhaust pipe, exhaust assembly, machine end connector, machine connecting pipe, patient end connector, patient end connecting pipe, clamping groove, connecting assembly, sealing ring and sealing assembly, the inside of tubular shell is provided with exchange assembly, one end of tubular shell is provided with exhaust pipe, exhaust pipe and the inside of tubular shell are mutually penetrated, one end of exhaust pipe is provided with exhaust assembly, one end of tubular shell is provided with machine end connector, machine end connector is set up on one side of exhaust pipe, the inside of machine end connector is provided with machine connecting pipe, the other end of tubular shell is provided with patient end connector, the inside of patient end connector is provided with patient end connecting pipe, the inside of machine end connector and patient end connector is provided with clamping groove, machine connecting pipe and patient end connecting pipe and clamping groove are mutually embedded, the inside of clamping groove is provided with connecting assembly, the outside of machine connecting pipe and patient end connecting pipe is provided with sealing ring, the outside of one end of machine end connector and patient end connector is provided with sealing assembly.

[0007] Preferably, the machine connecting pipe and the patient connecting pipe are connected by setting the clamping groove, the machine end connector penetrates the machine connecting pipe, the patient end connector penetrates the patient connecting pipe, the machine connecting pipe and the patient connecting pipe are locked by the connecting assembly, the sealing effect of the sealing ring is ensured by the sealing assembly, the sealing effect of the two interfaces of the tubular shell is ensured by the sealing ring, the exchange assembly is sealed and protected in the tubular shell, the heat and moisture exchange treatment is carried out by the exchange assembly, the exhaust pipe is flexibly opened and closed by the exhaust assembly, and the internal pressure of the tubular shell is stabilized by the exhaust pipe, so that the stability of the heat and moisture exchanger during use is ensured, the sealing effect is ensured, and the practical value of the heat and moisture exchanger is enhanced.

[0008] Preferably, the exchange assembly comprises a heat and moisture exchange paper roll and a filter membrane; the heat and moisture exchange paper roll is arranged on the inner side of the tubular shell, and the filter membrane is arranged on the inner side of the tubular shell.

[0009] Preferably, the exhaust assembly comprises a connecting rubber strip and a sealing plug; the connecting rubber strip is arranged on the outer side of one end of the exhaust pipe, and the sealing plug is arranged at one end of the connecting rubber strip and is embedded with the pipe opening of the exhaust pipe.

[0010] Preferably, the connecting assembly comprises a clamping strip and a clamping groove; the clamping strip is arranged on the inner side of one end of the machine connecting pipe and the patient connecting pipe, the clamping groove is arranged on the inner side of the clamping groove, and the clamping strip and the clamping groove are embedded with each other.

[0011] Preferably, the connecting assembly further comprises a ring-shaped groove; the ring-shaped groove is arranged on the inner side of the clamping groove, the ring-shaped groove and the clamping groove are penetrated with each other, and the inner diameter of the ring-shaped groove is the same as the inner diameter of the clamping groove.

[0012] Preferably, the clamping strip is provided in multiple groups, the clamping groove is provided in multiple groups, and the depth of the clamping groove is half of the depth of the clamping groove.

[0013] Preferably, the sealing assembly comprises a limiting plate and a sealing groove; the limiting plate is arranged on the outer side of one end of the machine end connector and the patient end connector, the sealing groove is arranged on the inner side of the limiting plate, and the sealing ring and the sealing groove are embedded with each other.

[0014] The utility model discloses the beneficial effects of:

[0015] When the heat and moisture exchanger is used, the machine connecting pipe and the patient connecting pipe are embedded into the card slot, the machine connecting pipe is connected through the machine end connector, the patient connecting pipe is connected through the patient end connector, the machine connecting pipe and the patient connecting pipe are locked with the connector, the sealing ring is used to ensure the sealing effect of the two interfaces of the tubular shell, the heat and moisture exchange treatment is performed through the internal structure of the tubular shell, and the exhaust pipe is used to ensure the stability of the internal pressure of the tubular shell, so that the problems that the connecting end of the heat and moisture exchanger is prone to loosening and slipping and the sealing effect of the heat and moisture exchanger is limited are solved, and the practical value of the heat and moisture exchanger is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the heat and moisture exchanger is shown.

[0017] Figure 2 A three-dimensional structure schematic view of the heat and moisture exchanger is shown.

[0018] Figure 3 A three-dimensional structure schematic view of the heat and moisture exchanger is shown.

[0019] Figure 4 A three-dimensional structure schematic view of the heat and moisture exchanger is shown.

[0020] The reference signs are as follows: 1, tubular shell; 101, heat and moisture exchange paper roll; 102, filter film; 2, exhaust pipe; 201, connecting adhesive tape; 202, sealing plug; 3, machine end connector; 301, machine connecting pipe; 4, patient end connector; 401, patient connecting pipe; 5, card slot; 501, clamping strip; 502, embedded slot; 503, annular slot; 6, sealing ring; 601, limiting plate; 602, sealing groove. DETAILED DESCRIPTION

[0021] The heat and moisture exchanger is further described below in combination with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: disposable heat and moisture exchanger, including tubular housing 1, exchange subassembly, exhaust pipe 2, exhaust subassembly, machine end connector 3, machine connecting pipe 301, patient end connector 4, patient end connecting pipe 401, clamping groove 5, connecting subassembly, sealing ring 6 and sealing subassembly, the inside of tubular housing 1 is provided with exchange subassembly, one end of tubular housing 1 is provided with exhaust pipe 2, exhaust pipe 2 and the inside of tubular housing 1 are mutually through, one end of exhaust pipe 2 is provided with exhaust subassembly, one end of tubular housing 1 is provided with machine end connector 3, machine end connector 3 sets up in one side of exhaust pipe 2, the inside of machine end connector 3 is provided with machine connecting pipe 301, the other end of tubular housing 1 is provided with patient end connector 4, the inside of patient end connector 4 is provided with patient end connecting pipe 401, the inside of machine end connector 3 and patient end connector 4 is provided with clamping groove 5, machine connecting pipe 301 and patient end connecting pipe 401 and clamping groove 5 are mutually inlayed, the inside of clamping groove 5 is provided with connecting subassembly, the outside of machine connecting pipe 301 and patient end connecting pipe 401 is provided with sealing ring 6, the outside of one end of machine end connector 3 and patient end connector 4 is provided with sealing subassembly.

[0023] Please refer to Figure 2In the embodiment, the exchange assembly comprises the heat and moisture exchange paper roll 101 and the filter film 102; the heat and moisture exchange paper roll 101 is arranged on the inner side of the tubular shell 1, and the filter film 102 is arranged on the inner side of the tubular shell 1; the moisture in the humid gas exhaled by the patient is absorbed by the heat and moisture exchange paper roll 101 and stored, and the inhaled and exhaled gas is filtered by the filter film 102 to prevent the external pathogens from entering the airway of the patient and to prevent the pathogens exhaled by the patient from spreading to the surrounding environment, thereby achieving the bidirectional protection; the exhaust assembly comprises the connecting adhesive tape 201 and the sealing plug 202; the connecting adhesive tape 201 is arranged on the outer side of one end of the exhaust pipe 2, and the sealing plug 202 is arranged on one end of the connecting adhesive tape 201; the sealing plug 202 is embedded in the pipe opening of the exhaust pipe 2; the connecting adhesive tape 201 is connected with the sealing plug 202 to avoid the loss of the sealing plug 202; and the sealing plug 202 is used to flexibly block the exhaust pipe 2; the connecting assembly comprises the clamping strip 501, the embedded groove 502 and the annular groove 503; the clamping strip 501 is arranged on the inner side of one end of the machine connecting pipe 301 and the patient end connecting pipe 401; a plurality of sets of the clamping strip 501 are arranged; the embedded groove 502 is arranged on the inner side of the clamping groove 5; a plurality of sets of the embedded groove 502 are arranged; the embedded groove 502 is arranged to a depth of half the depth of the clamping groove 5; the clamping strip 501 is embedded in the embedded groove 502; the annular groove 503 is arranged on the inner side of the clamping groove 5; the annular groove 503 is in communication with the embedded groove 502; the inner diameter of the annular groove 503 is the same as the inner diameter of the embedded groove 502; the machine connecting pipe 301 and the patient end connecting pipe 401 are clamped into the clamping groove 5, the clamping strip 501 is adjusted into the annular groove 503, the machine connecting pipe 301 and the patient end connecting pipe 401 are rotated, the clamping strip 501 is limited in the annular groove 503, and the stable connection between the machine connecting pipe 301 and the patient end connecting pipe 401 and the interface is ensured; the sealing assembly comprises the limiting plate 601 and the sealing groove 602; the limiting plate 601 is arranged on the outer side of one end of the machine end connector 3 and the patient end connector 4; the sealing groove 602 is arranged on the inner side of the limiting plate 601; the sealing ring 6 is embedded in the sealing groove 602; the position of the sealing groove 602 is determined by the limiting plate 601, the sealing ring 6 is embedded in the sealing groove 602, and the sealing effect of the interfaces at both ends of the tubular shell 1 is ensured.

[0024] Before the heat and moisture exchanger is used, the machine connecting pipe 301 is installed into the clamping groove 5, the clamping strip 501 is embedded in the embedded groove 502, the machine connecting pipe 301 is continuously inserted, the clamping strip 501 enters the annular groove 503, the sealing ring 6 is embedded in the sealing groove 602 of the limiting plate 601, then the machine connecting pipe 301 is rotated, the position of the clamping strip 501 is locked, the machine connecting pipe 301 is connected and fixed with the machine end connector 3;

[0025] Subsequently, the patient end connecting pipe 401 is installed into the card slot 5, the card strip 501 is embedded into the embedded slot 502, the patient end connecting pipe 401 is continuously inserted, the card strip 501 enters the annular slot 503, meanwhile, the sealing ring 6 is embedded into the sealing slot 602 of the limiting plate 601, then, the patient end connecting pipe 401 is locked in position, the patient end connecting pipe 401 is connected and fixed with the patient end connector 4;

[0026] When the heat and moisture exchanger is used, the sealing plug 202 on the connecting rubber strip 201 is opened to stabilize the internal pressure of the tubular shell 1, then, the moisture in the humid gas exhaled by the patient is absorbed and stored by the heat and moisture exchange paper roll 101, and the filter membrane 102 is used to filter the inhaled and exhaled gas.

[0027] Through the above steps, the machine connecting pipe 301 and the patient end connecting pipe 401 are embedded into the card slot 5, the machine end connector 3 is used to penetrate and connect the machine connecting pipe 301, the patient end connector 4 is used to penetrate and connect the patient end connecting pipe 401, the connecting assembly is used to lock the machine connecting pipe 301 and the patient end connecting pipe 401, the sealing assembly is used to guarantee the sealing effect of the sealing ring 6, the sealing ring 6 is used to guarantee the sealing effect of the two end interfaces of the tubular shell 1, the exchange assembly is sealed and protected in the tubular shell 1, the exchange assembly is used for heat and moisture exchange treatment, the exhaust assembly is used to flexibly open and close the exhaust pipe 2, the exhaust pipe 2 is used to guarantee the stability of the internal pressure of the tubular shell 1, so as to guarantee the stability of the heat and moisture exchanger when used, and ensure the sealing property when used.

[0028] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A disposable heat and moisture exchanger comprising a tubular housing (1), an exchange assembly, an exhaust tube (2), an exhaust assembly, a machine end connector (3), a machine connecting tube (301), a patient end connector (4), a patient end connecting tube (401), characterized in that: It also includes a card slot (5), a connecting assembly, a sealing ring (6) and a sealing assembly, the inner side of the tubular shell (1) is provided with an exchange assembly, one end of the tubular shell (1) is provided with an exhaust pipe (2), the exhaust pipe (2) and the inside of the tubular shell (1) are mutually penetrated, one end of the exhaust pipe (2) is provided with an exhaust assembly, one end of the tubular shell (1) is provided with a machine end connector (3), the machine end connector (3) is arranged on one side of the exhaust pipe (2), the inner side of the machine end connector (3) is provided with a machine connecting pipe (301), the other end of the tubular shell (1) is provided with a patient end connector (4), the inner side of the patient end connector (4) is provided with a patient end connecting pipe (401), the inner side of the machine end connector (3) and the patient end connector (4) is provided with a card slot (5), the machine connecting pipe (301) and the patient end connecting pipe (401) are mutually embedded with the card slot (5), the inner side of the card slot (5) is provided with a connecting assembly, the outer side of the machine connecting pipe (301) and the patient end connecting pipe (401) is provided with a sealing ring (6), the outer side of one end of the machine end connector (3) and the patient end connector (4) is provided with a sealing assembly.

2. The disposable heat and moisture exchanger according to claim 1, characterized in that: The exchange assembly includes a heat and moisture exchange paper roll (101) and a filter membrane (102); the inner side of the tubular shell (1) is provided with the heat and moisture exchange paper roll (101), and the inner side of the tubular shell (1) is provided with the filter membrane (102).

3. The disposable heat and moisture exchanger according to claim 1, characterized in that: The exhaust assembly includes a connecting rubber strip (201) and a sealing plug (202); the outer side of one end of the exhaust pipe (2) is provided with the connecting rubber strip (201), one end of the connecting rubber strip (201) is provided with the sealing plug (202), and the sealing plug (202) and the pipe opening of the exhaust pipe (2) are mutually embedded.

4. The disposable heat and moisture exchanger according to claim 1, characterized in that: The connecting assembly includes a clamping strip (501) and an embedded groove (502); one end of the machine connecting pipe (301) and the patient end connecting pipe (401) is provided with the clamping strip (501), and the inner side of the card slot (5) is provided with the embedded groove (502), and the clamping strip (501) and the embedded groove (502) are mutually embedded.

5. The disposable heat and moisture exchanger according to claim 4, characterized in that: The connecting assembly further includes a ring-shaped groove (503); the inner side of the card slot (5) is provided with the ring-shaped groove (503), the ring-shaped groove (503) and the embedded groove (502) are mutually penetrated, and the inner diameter of the ring-shaped groove (503) is the same as the inner diameter of the embedded groove (502).

6. The disposable heat and moisture exchanger according to claim 5, characterized in that: The clamping strip (501) is provided with multiple groups, the embedded groove (502) is provided with multiple groups, and the depth of the embedded groove (502) is half of the depth of the card slot (5).

7. The disposable heat and moisture exchanger according to claim 5, characterized in that: The sealing assembly includes a limiting plate (601) and a sealing groove (602); the outer side of one end of the machine end connector (3) and the patient end connector (4) is provided with the limiting plate (601), the inner side of the limiting plate (601) is provided with the sealing groove (602), and the sealing ring (6) and the sealing groove (602) are mutually embedded.

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