CN217592827U

CN217592827U - Pump pipe exhaust device of filling pump

Info

Publication number: CN217592827U
Application number: CN202220597238.7U
Authority: CN
Inventors: 缴宝杰; 赵连利; 李铁军
Original assignee: CANGZHOU CENTRAL HOSPITAL
Current assignee: CANGZHOU CENTRAL HOSPITAL
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-10-18
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a filling pump line exhaust apparatus, including first drainage tube, second drainage tube and stock solution chamber, the top in stock solution chamber is provided with inlet and a plurality of exhaust hole, the bottom in stock solution chamber is provided with the liquid outlet, first drainage tube with the inlet is connected, the second drainage tube with the liquid outlet is connected, each exhaust hole department all is provided with filter membrane, gland and cage, the filter membrane set up in the exhaust hole, the gland is used for fixing the filter membrane, the cage is used for sealing the exhaust hole, liquid outlet department is provided with the switch. The pump pipe exhaust device of the perfusion pump has the beneficial effects of being efficient and practical and reducing the operation cost.

Description

Pump pipe exhaust device of filling pump

Technical Field

The utility model relates to the technical field of medical supplies, concretely relates to infusion pump line exhaust apparatus.

Background

At present, with the maturity of endoscopic surgery equipment and technology, more and more clinical subjects develop endoscopic diagnosis and treatment technologies, such as laparoscopes, arthroscopes, hysteroscopes, cystoscopes and the like, the same points of which are carried out in relatively closed spaces or cavities, and thus, the space and illumination for surgical operation need to be created. Specifically, the laparoscopic surgery requires injecting carbon dioxide gas into the abdominal cavity to expand the abdomen to create a surgical operation space, the endoscopic surgeries such as hysteroscopy and cystoscope require continuously injecting liquid medium into the organs to create and maintain the surgical operation space, and particularly, the cystoscope surgery requires continuously injecting a large amount of liquid medium to ensure the normal operation of the surgery because the cystoscope surgery maintains the surgical space and keeps the surgical field clear. Because of the large demand for liquid, the flow rate of the liquid is large in unit time, the diameter of the pipeline of the liquid path is large, and the flow path ratio of the pipeline is increased from top to bottom, so that all air in the pipeline can be exhausted after long-time exhaust before an operation, and the traditional urological operation liquid pipeline needs about 20 minutes, sometimes even longer time for exhausting all air. When the liquid bag is replaced during the operation, gas also enters the pipeline, and the normal operation of the operation is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a high-efficiency, practical and operation cost-reducing exhaust device for a pump pipe of a perfusion pump.

The technical scheme of the utility model is that:

the utility model provides a filling pump line exhaust apparatus, includes first drainage tube, second drainage tube and stock solution chamber, the top in stock solution chamber is provided with inlet and a plurality of exhaust hole, the bottom in stock solution chamber is provided with the liquid outlet, first drainage tube with the inlet is connected, the second drainage tube with the liquid outlet is connected, each exhaust hole department all is provided with filter membrane, gland and cage, the filter membrane set up in the exhaust hole, the gland is used for fixing the filter membrane, the cage is used for sealing the exhaust hole, outlet department is provided with the switch.

Preferably, the liquid storage cavity comprises an upper cavity body and a lower cavity body, and the upper cavity body is in threaded connection with the lower cavity body.

In any of the above aspects, the switch is preferably a water trap or a shut-off valve.

In any of the above schemes, preferably, when the switch is a shutoff valve, the shutoff valve includes a valve body and a valve seat, the valve body is in a circular truncated cone shape, one end of the valve body is provided with an adjusting rod, the valve seat and the liquid outlet are integrally formed, the valve body is adapted to the valve seat, a through hole is arranged at the valve body, the through hole is perpendicular to an axis of the valve body and intersects with the axis, and a liquid passing hole adapted to the through hole is arranged at the valve seat.

In any of the above schemes, preferably, a clamping groove is arranged at one end of the valve body corresponding to the adjusting rod, and a split pin is arranged at the clamping groove.

In any of the above schemes, preferably, the outer walls of the liquid inlet and the liquid outlet are both provided with anti-skid threads.

In any of the above schemes, preferably, the liquid level monitoring device further comprises a prompting device, wherein the prompting device comprises a controller, a liquid level probe and a prompter, and the liquid level probe and the prompter are respectively and electrically connected with the controller.

In any of the above schemes, preferably, the chip of the controller is a single chip microcomputer.

In any of the above solutions, it is preferable that the liquid level probe is a non-contact liquid level probe.

The utility model discloses a filling pump line exhaust apparatus, evacuation liquid pipeline gas fast greatly shortens preparation time before the art simultaneously, and is long when whole reduction operation is long and patient stays for the operation cost of patient is reduced to a certain extent to the turnover between the art.

Drawings

Fig. 1 is a schematic diagram of an embodiment of an exhaust device for a pump tube of a perfusion pump according to the present invention.

Fig. 2 is a schematic diagram of an embodiment of a shutoff valve of an exhaust device of a pump tube of a perfusion pump according to the present invention.

Fig. 3 is a schematic view of an embodiment of the exhaust hole of the exhaust device of the pump tube of the perfusion pump according to the present invention.

Fig. 4 is a schematic circuit connection diagram of the exhaust device of the pump tube of the perfusion pump of the present invention.

The reference numbers in the figures illustrate:

101-a first drain tube; 102-a liquid inlet; 103-vent hole; 104-an upper cavity; 105-a seal pad; 106-lower chamber; 107-a liquid outlet; 108-a second drain tube; 201-adjusting a rod; 202-a valve body; 203-a through hole; 204-card slot; 205-a liquid through hole; 206-valve seat; 301-a cage; 302-a gland; 303-Filter membranes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a perfusion pump line exhaust apparatus, as shown in fig. 1-4, includes first drainage tube 101, second drainage tube 108 and stock solution chamber, the stock solution chamber is fusiform, the top in stock solution chamber is provided with inlet 102 and a plurality of exhaust hole 103, the bottom in stock solution chamber is provided with liquid outlet 107, first drainage tube 101 is connected with inlet 102, second drainage tube 108 is connected with liquid outlet 107, each exhaust hole 103 department all is provided with filter membrane 303, gland 302 and cage 301, filter membrane 303 sets up in exhaust hole 103, gland 302 is used for fixed filter membrane 303, cage 301 is used for sealing exhaust hole 103, liquid outlet 107 department is provided with the switch.

In this embodiment, when performing endoscopic surgery such as hysteroscopy and cystoscope, body fluid needs to be continuously injected into the surgical organ to create an operation space and ensure the clear field of vision. This infusion pump line exhaust apparatus is applicable to and prepares the gas in the big liquid way pipe to discharge rapidly before the art, through the flow rate ratio that changes the liquid pipeline, can empty the air in the liquid pipeline fast in 3-5 minutes to change the liquid bag in the art and lead to the problem of liquid pipeline reentrant air, even there is a certain amount of air admission liquid pipeline, also can be with the quick discharge liquid pipeline of air, do not influence the normal clear of operation.

Specifically, the first drainage tube 101 is used for communicating a body fluid bag with the upper part of the liquid storage cavity, and the second drainage tube 108 is used for communicating a body fluid feeding pump with the liquid outlet 107 below the liquid storage cavity. Wherein, the materials of the first drainage tube 101 and the second drainage tube 108 can be any one of polyvinyl chloride, polyolefin thermoplastic elastomer and silica gel. The liquid storage cavity is designed to be spindle-shaped, so that when air exists in the liquid storage cavity, the air which is skewed in the liquid storage cavity cannot enter the liquid outlet 107. The outer walls of the liquid inlet 102 and the liquid outlet 107 are provided with anti-slip threads to prevent the first drainage tube 101 and the second drainage tube 108 from being separated during use.

When the liquid bag is connected for the first time or the body liquid bag is replaced, air in the liquid storage chamber is discharged through the air discharge holes 103. A filter membrane 303, a gland 302 and a shielding case 301 are arranged at each exhaust hole 103, the filter membrane 303 is cylindrical in appearance, the exhaust holes 103 are used for accommodating the filter membrane 303, and the filter membrane 303 and the exhaust holes 103 can be slightly matched in an interference fit manner. The gland 302 is provided with a breathable net, and the gland 302 is used for fixing the filter membrane 303 in the vent hole 103. The insulating cover 301 functions to close the exhaust hole 103.

Specifically, when the body fluid bag is connected for the first time, the first drainage tube 101 is connected with the body fluid bag, and body fluid is guided into the fluid storage cavity and drained from the second drainage tube 108 and the rear pipeline, so that body fluid supplement can be performed on the surgical organ of the patient. When the body fluid is supplemented to the patient, the isolation cover 301 at each air vent 103 is opened, and under the pressure of the body fluid in the body fluid bag, the air in the liquid storage cavity is exhausted from each air vent 103. Thus reducing the waiting time for emptying the air in the body fluid replenishing catheter during the operation.

When the body fluid bag is replaced, the air mixed in the first drainage tube 101 can be discharged after flowing into the liquid storage cavity according to the operation, and the complicated operation of body fluid supplement catheter exhaust when the body fluid bag is replaced is avoided.

And a switch is arranged at the liquid outlet 107 and used for controlling the opening and closing of the whole pipeline.

In this embodiment, the reservoir chamber includes an upper chamber 104 and a lower chamber 106, and the upper chamber 104 is screwed with the lower chamber 106. The liquid storage cavity is designed into a split structure, so that the liquid storage cavity is convenient to form. The upper cavity 104 and the lower cavity 106 may be made of transparent plastic, and the molding method may be injection molding. In order to ensure the sealing between the upper chamber 104 and the lower chamber 106, a gasket 105 is provided between the upper chamber 104 and the lower chamber 106.

In this embodiment, the switch is a water trap or a shut-off valve. When the switch is a shutoff valve, the shutoff valve comprises a valve body 202 and a valve seat 206, the valve body 202 is in a round table shape, one end of the valve body 202 is provided with an adjusting rod 201, the valve seat 206 and a liquid outlet 107 are integrally formed, the valve body 202 is matched with the valve seat 206, a through hole 203 is formed in the valve body 202, the through hole 203 is perpendicular to the axis of the valve body 202 and is intersected with the axis, and a liquid passing hole 205 matched with the through hole 203 is formed in the valve seat 206. The valve body 202 is designed in a circular truncated cone shape, and the valve body 202 and the valve seat 206 are prevented from moving relative to each other in the circumferential direction. The adjustment lever 201 employs a lever principle to make the rotation of the valve body 202 more labor-saving. Wherein, the valve body 202 and the valve seat 206 can adopt an over-hard fit mode to prevent body fluid from leaking out of the gap between the valve body 202 and the valve seat 206. When the valve body 202 is rotated to connect the through hole 203 of the valve body 202 with the liquid passing hole 205 of the valve seat 206, the body fluid can pass through.

In this embodiment, a clamping groove 204 is disposed at one end of the valve body 202 corresponding to the adjusting rod 201, and a split pin is disposed at the clamping groove 204. During assembly, the cotter pin is snapped into the bayonet groove 204, by means of which the valve body 202 is prevented from coming out of the valve seat 206 during use.

In this embodiment, this infusion pump line exhaust apparatus still includes suggestion device, suggestion device includes controller, liquid level probe and prompting device, liquid level probe, prompting device respectively with controller electric connection. The liquid level probe is used for detecting the liquid level in the liquid storage cavity, the controller receives the feedback of the liquid level probe in real time, and when the body fluid height in the liquid storage cavity is lower than the position of the liquid level probe, the liquid level probe triggers, and after the controller receives a trigger signal, the prompter is started. The medical care personnel can change the body fluid bag through the prompt of the prompt. The design can avoid the monitoring of the body fluid bag allowance by medical staff and improve the working efficiency of the medical staff. The prompting device can select a buzzer alarm, the liquid level probe can adopt a non-contact liquid level probe, and a chip of the controller can select a single chip microcomputer.

This infusion pump line exhaust apparatus can greatly shorten preparation time before the art, improves clinical work efficiency, reduces medical staff's work load, and length and patient's stay time are long when wholly reducing the operation for reduce patient's operation cost to a certain extent when the turnover between the art. The device is made of medical high polymer materials and can be sterilized at high temperature and high pressure, so that the device can be repeatedly used, and the economy and the environmental friendliness are greatly improved. The device simple structure, the production of being convenient for and the equipment, its part spare is the standard component, has the advantage that the time of putting into production is short.

The above-mentioned embodiments are only the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, all should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a perfusion pump line exhaust apparatus, includes first drainage tube (101), second drainage tube (108) and stock solution chamber, its characterized in that, the top in stock solution chamber is provided with inlet (102) and a plurality of exhaust hole (103), the bottom in stock solution chamber is provided with liquid outlet (107), and first drainage tube (101) are connected with inlet (102), and second drainage tube (108) are connected with liquid outlet (107), and each exhaust hole (103) department all is provided with filter membrane (303), gland (302) and cage (301), and filter membrane (303) set up in exhaust hole (103), and gland (302) are used for fixed filter membrane (303), and cage (301) are used for sealing exhaust hole (103), and liquid outlet (107) department is provided with the switch.

2. The infusion pump tubing vent of claim 1, wherein the reservoir chamber comprises an upper chamber body (104) and a lower chamber body (106), the upper chamber body (104) being threadably coupled to the lower chamber body (106).

3. The infusion pump tubing vent of claim 1, wherein said switch is a water trap or a shut-off valve.

4. The exhaust device of the infusion pump tube according to claim 3, wherein when the switch is a shutoff valve, the shutoff valve comprises a valve body (202) and a valve seat (206), the valve body (202) is in a circular truncated cone shape, one end of the valve body (202) is provided with an adjusting rod (201), the valve seat (206) and the liquid outlet (107) are integrally formed, the valve body (202) is matched with the valve seat (206), the valve body (202) is provided with a through hole (203), the through hole (203) is perpendicular to an axis of the valve body (202) and intersects with the axis, and the valve seat (206) is provided with a liquid passing hole (205) matched with the through hole (203).

5. The exhaust device for the pump pipe of the infusion pump according to claim 4, wherein a clamping groove (204) is formed at one end of the valve body (202) corresponding to the adjusting rod (201), and a cotter pin is arranged at the clamping groove (204).

6. A perfusion pump tube venting device according to claim 1, wherein the exterior walls of the inlet port (102) and the outlet port (107) are provided with anti-slip threads.

7. The infusion pump tube venting device of claim 1, further comprising a prompting device, the prompting device comprising a controller, a liquid level probe and a prompter, the liquid level probe and the prompter being electrically connected to the controller, respectively.

8. The infusion pump tubing exhaust of claim 7, wherein the controller chip is a single chip.

9. The infusion pump tube venting device of claim 7, wherein said level probe is a non-contact level probe.