CN220735901U

CN220735901U - PICC pipe prevents blocking and uses wash pipe device

Info

Publication number: CN220735901U
Application number: CN202321754071.1U
Authority: CN
Inventors: 王春生; 郭佳伟; 王永生
Original assignee: Chengdu Hongde Biotechnology Co ltd
Current assignee: Chengdu Hongde Biotechnology Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-04-09
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to a flushing pipe device for preventing PICC catheter from blocking, which belongs to the technical field of medical appliances and comprises a medicine injection pipe, a button, an inflation assembly and a piston plate, wherein the medicine injection pipe is internally provided with an inflation cavity and an injection cavity, the inflation cavity is communicated with the injection cavity, a medicine injection channel communicated with the injection cavity is arranged on the medicine injection pipe, the button is movably arranged on the medicine injection pipe, the inflation assembly is arranged in the inflation cavity, the button is connected with the inflation assembly, the button is used for triggering the inflation assembly to inflate the injection cavity, and the piston plate is movably arranged in the injection cavity. According to the flushing pipe device, the anticoagulant preparation is input by pressing the button, the operation is simple, a patient can automatically realize the flushing pipe operation of the PICC by pressing the button at regular time, and time and energy are saved for the patient.

Description

PICC pipe prevents blocking and uses wash pipe device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a flushing pipe device for PICC catheter anti-blocking.

Background

During chemotherapy of oncological patients, the patients need to put PICCs in the body (peripherally placed central catheter) to facilitate the infusion of chemotherapeutic drugs. The chemotherapy cycle is relatively longer, and the patient needs to put into PICC in peripheral vein department for a long time, because factors such as blood coagulation factor in the blood, the blood that permeates in the PICC can be in intraductal coagulation and lead to PICC to block up, causes the symptom such as blood stagnation, swelling, pain to appear in the catheterization position. In the prior art, a patient to be placed in a tube usually needs to go to a hospital for a wash-out treatment once every week, an anticoagulant is injected into the PICC to prevent the tube from being blocked, the wash-out treatment process is simple, but the patient cannot treat the patient by himself, the short period leads the patient to run on the way to be unfavorable for improving the illness state of the patient, and the time, the energy and the money of the patient are wasted.

Disclosure of Invention

The utility model provides a flushing pipe device for PICC catheter anti-blocking, which is used for solving the technical problem that a patient cannot flush a pipe by himself.

The utility model is realized by the following technical scheme: a PICC catheter anti-clogging washout device, comprising: the medicine injection device comprises a medicine injection pipe, a button, an inflation component and a piston plate, wherein an inflation cavity and an injection cavity are arranged in the medicine injection pipe, the inflation cavity is communicated with the injection cavity, a medicine injection channel communicated with the injection cavity is arranged on the medicine injection pipe, the button is movably mounted on the medicine injection pipe, the inflation component is mounted in the inflation cavity, the button is connected with the inflation component, and the button is used for triggering the inflation component to inflate in the injection cavity, and the piston plate is movably mounted in the injection cavity.

Optionally, in order to better realize the utility model, the inflation assembly comprises an air storage block, an air duct, a first spring, a limiting pipe, a second spring and a sealing block, wherein the air storage block is detachably plugged and installed between the air storage block and the injection cavity, an air injection cavity and an air inlet channel are formed in the air storage block, the air injection cavity is communicated with the air injection cavity, the air injection cavity is communicated with the injection cavity through the air inlet channel, one end of the air duct is connected with the button, the other end of the air duct is movably inserted into the air injection cavity, a first abutting ring is installed on the side wall of the air duct, two ends of the first spring are respectively elastically abutted to the air storage block and the first abutting ring, the limiting pipe is installed in the air injection cavity, one end of the limiting pipe is connected with the air storage block, the other end of the limiting pipe is connected with the medicine injection pipe, a second abutting ring is installed in the limiting pipe, the first abutting ring is movably abutted to the button, the second abutting ring is movably abutted to the air duct, one end of the second abutting ring is movably abutted to the button is movably abutted to the air duct, the second abutting ring is abutted to the air duct is movably abutted to the button, the second abutting ring is abutted to the air duct is in the sealing groove is movably abutted to the sealing groove, and is formed between the air duct and the air duct, and the air duct is movably abutted to be formed between the sealing groove.

Optionally, in order to better realize the present utility model, the medicine injection tube includes an injection tube, a mounting cover and a liquid outlet block, the air inflation cavity and the injection cavity are both located in the injection tube, the air storage block is located in the middle of the injection tube, the mounting cover is detachably sleeved on the limiting tube and is abutted to one end of the injection tube, a through groove is formed in the mounting cover, the button is movably installed in the through groove, the liquid outlet block is installed at one end, far away from the mounting cover, of the injection tube, and the medicine injection channel is located on the liquid outlet block.

Optionally, in order to better implement the present utility model, the flushing pipe device further includes a third abutment ring and a first sealing ring, the third abutment ring is mounted on the outer sidewall of the air storage block, the limiting pipe abuts on the third abutment ring, and the first sealing ring is mounted between the third abutment ring and the inner sidewall of the air inflation cavity.

Optionally, in order to better implement the present utility model, the wash pipe device further comprises a second sealing ring, which is mounted between the inner wall of the injection cavity and the liquid outlet block.

Optionally, in order to better implement the present utility model, the wash pipe device further includes a one-way valve, mounted on the air intake channel, for one-way air intake into the injection cavity.

Optionally, in order to better realize the utility model, the button comprises a pressing block and a limiting ring, the sinking groove is provided with a notch on the pressing block, the limiting ring is arranged on the sinking groove, the diameter of the limiting ring is larger than the inner diameter of the through groove, and the second spring is abutted against the limiting ring.

Optionally, in order to better implement the present utility model, a mounting groove for tightening the air storage block is formed on a side of the air storage block, which is close to the air filling cavity.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a flushing pipe device for PICC catheter anti-blocking, which comprises a medicine injection pipe, a button, an inflation assembly and a piston plate, wherein an inflation cavity and an injection cavity are arranged in the medicine injection pipe, the inflation cavity is communicated with the injection cavity, a medicine injection channel communicated with the injection cavity is arranged on the medicine injection pipe, the button is movably arranged on the medicine injection pipe, the inflation assembly is arranged in the inflation cavity, the button is connected with the inflation assembly and is used for triggering the inflation assembly to inflate the injection cavity, and the piston plate is movably arranged in the injection cavity. Thus, the button abuts the air charging assembly and the piston plate is movably mounted within the injection chamber.

Through the structure, the PICC catheter anti-blocking flushing pipe device solves the technical problem that a patient cannot flush a pipe by himself. Specifically, annotate medicine pipe intercommunication PICC, anticoagulation preparation is filled at the injection intracavity and is located between piston plate and the injection passageway, presses the button, and the button triggers and fills gas module to aerify into the injection intracavity, and the gas that fills promotes the piston plate and extrudes anticoagulation preparation to extrude the injection passageway with anticoagulation preparation, realize PICC's wash pipe operation, so, this wash pipe device realizes anticoagulation preparation's input through pressing the button, easy operation, and the patient only need press the button regularly can realize PICC's wash pipe operation by oneself, has saved time and energy for the patient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a PICC catheter anti-clogging washout device according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a PICC catheter anti-clogging washout device provided by an embodiment of the present utility model;

FIG. 3 is another cross-sectional view of a PICC catheter anti-clogging washout device provided in an embodiment of the present utility model;

FIG. 4 is a schematic view of a gas block according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a one-way valve in an embodiment of the present utility model.

In the figure: 1-a medicine injection tube; 11-an injection tube; 12-mounting a cover; 13-a liquid outlet block; 2-buttons; 21-pressing the block; 22-limiting rings; 3-an inflation assembly; 31-an air storage block; 32-an airway; 33-a first spring; 34-limiting tube; 35-a second spring; 36-sealing blocks; 4-a piston plate; 51-a third abutment ring; 52-a first sealing ring; 6-a second sealing ring; 7-a mounting groove; 8-a one-way valve; 91-a first abutment ring; 92-a second abutment ring; 10-inflating the cavity; 20-injecting the cavity; 30-a medicine injection channel; 40-an air injection cavity; 50-intake passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Examples:

the embodiment provides a PICC pipe prevents blockking up and uses wash pipe device for solve the technical problem that the patient can not wash pipe by oneself. This PICC pipe prevents blockking up and uses wash pipe device includes injection pipe 1, button 2, inflation subassembly 3 and piston plate 4, wherein:

the medicine injection tube 1 is internally provided with an air inflation cavity 10 and an injection cavity 20, the air inflation cavity 10 is communicated with the injection cavity 20, wherein a connecting cavity is arranged at the joint of the air inflation cavity 10 and the injection cavity 20, and the diameter of the connecting cavity is smaller than that of the air inflation cavity 10. The injection tube 1 is provided with an injection channel 30 communicated with the injection cavity 20, when the wash pipe device is used, an anticoagulant is placed in the injection cavity 20, or a flexible bag body for storing the anticoagulant is placed in the injection cavity 20, and an outlet of the flexible bag body is communicated with the injection channel 30. The button 2 is movably mounted on the injection tube 1, the inflation assembly 3 is mounted in the inflation cavity 10, the button 2 is connected with the inflation assembly 3, the button 2 is used for triggering the inflation assembly 3 to inflate into the injection cavity 20, the piston plate 4 is movably mounted in the injection cavity 20, and the anticoagulation agent is positioned between the piston plate 4 and the injection channel 30, so that the button 2 is pressed, the inflation assembly 3 is triggered to inflate into the injection cavity 20, and the piston is pushed to squeeze the anticoagulation agent so as to squeeze the anticoagulation agent out of the injection channel 30, thereby realizing PICC flushing.

Through above-mentioned structure, the PICC pipe prevents blockking up with wash pipe device that this embodiment provided has solved the technical problem that the patient can not wash the pipe by oneself. Specifically, the injection tube 1 is communicated with the PICC, the anticoagulant is filled in the injection cavity 20 and is positioned between the piston plate 4 and the injection channel 30, the button 2 is pressed, the button 2 triggers the inflation assembly 3 to inflate the injection cavity 20, the inflated gas pushes the piston plate 4 to squeeze the anticoagulant, so that the anticoagulant is extruded out of the injection channel 30, and the flushing operation of the PICC is realized, so that the flushing device realizes the input of the anticoagulant by pressing the button 2, the operation is simple, and a patient can realize the flushing operation of the PICC by only pressing the button 2 at regular time, so that the time and energy of the patient are saved.

An alternative implementation of this embodiment is as follows: the air charging assembly 3 comprises an air storage block 31, an air guide pipe 32, a first spring 33, a limiting pipe 34, a second spring 35 and a sealing block 36, wherein the air storage block 31 is in threaded connection with the inner wall of a connecting cavity between the air charging cavity 10 and the injection cavity 20, an air charging cavity 40 and an air inlet channel 50 are arranged in the air storage block 31, the air charging cavity 40 is communicated with the air charging cavity 10, the air charging cavity 40 is communicated with the injection cavity 20 through the air inlet channel 50, one end of the air guide pipe 32 is connected with the button 2, the other end of the air guide pipe is movably inserted in the air charging cavity 40, a sealing ring is further arranged on the outer side wall of the air guide pipe 32, the sealing ring is in sliding butt joint with the inner wall of the air charging cavity 40, a first butt ring 91 is arranged on the side wall of the air guide pipe 32, two ends of the first spring 33 are respectively in elastic butt joint with the air storage block 31 and the first butt ring 91, the limiting pipe 34 is arranged in the air charging cavity 10, one end of the limiting tube 34 is connected with the air storage block 31, the other end of the limiting tube 34 is connected with the medicine injection tube 1, the first spring 33 is located in the limiting tube 34, the limiting tube 34 limits the non-axial movement of the first spring 33, the limiting tube 34 is internally provided with a second abutting ring 92, the first abutting ring 91 is movably abutted on the second abutting ring 92, two ends of the second spring 35 are respectively elastically abutted on the second abutting ring 92 and the button 2, a sinking groove is formed in the button 2, the sealing block 36 is installed in the sinking groove, the air duct 32 is movably inserted in the sinking groove, a gap is reserved between the air duct 32 and the sinking groove, when the button 2 is pressed, the sealing block 36 is abutted on the air duct 32 to seal the air duct 32, when the button 2 is released, a gap is formed between the sealing block 36 and the air duct 32, and the outside is communicated with the air duct 32 through the gap and the gap. Specifically, in the non-pressing state of the button 2, the first spring 33 and the second spring 35 are relaxed, the first abutting ring 91 abuts against the second abutting ring 92, the second spring 35 pushes up the button 2 so as to enlarge the volume of the gap, at this time, outside air enters the air duct 32 through the installation gap between the button 2 and the injection tube 1, the gap and the gap between the sealing block 36 and the air duct 32, and is communicated with the injection cavity 20, when the button 2 is pressed, the button 2 overcomes the tension of the second spring 35, so that the sealing block 36 seals the air duct 32, after the air duct 32 is sealed, the air duct 32 moves towards the air storage block 31 against the tension of the first spring 33, thereby compressing the volume of the injection cavity 40, and the air in the injection cavity 40 enters the injection cavity 20 through the air inlet channel 50, thereby realizing the air injection of the injection cavity 20.

An alternative implementation of this embodiment is as follows: the medicine injection pipe 1 comprises an injection pipe 11, a mounting cover 12 and a liquid outlet block 13, wherein the air filling cavity 10 and the injection cavity 20 are both positioned in the injection pipe 11, the air storage block 31 is positioned in the middle of the injection pipe 11, the mounting cover 12 is detachably sleeved on the limiting pipe 34 and is abutted to one end of the injection pipe 11, a through groove is formed in the mounting cover 12, the button 2 is movably mounted in the through groove, the liquid outlet block 13 is mounted at one end, far away from the mounting cover 12, of the injection pipe 11, and the medicine injection channel 30 is positioned on the liquid outlet block 13. Specifically, the installation cover 12 is screwed on the outer wall of the limiting pipe 34, a gap is reserved between the through groove of the installation cover 12 and the outer side wall of the button 2 for air to pass through, the liquid outlet block 13 is screwed on the injection pipe 11, and when the anticoagulant preparation is added or replaced, the liquid outlet block 13 is taken off.

An alternative implementation of this embodiment is as follows: the flushing pipe device further comprises a third abutting ring 51 and a first sealing ring 52, wherein the third abutting ring 51 is installed on the outer side wall of the air storage block 31, the limiting pipe 34 is abutted on the third abutting ring 51, the first sealing ring 52 is installed between the third abutting ring 51 and the inner side wall of the inflation cavity 10, and therefore the sealing performance of the injection cavity 20 is enhanced, and the phenomenon that the air in the injection cavity 20 filled in the air inlet channel 50 runs off from the periphery of the air storage block 31 and influences the effect of the piston to squeeze an anticoagulant preparation is avoided.

An alternative implementation of this embodiment is as follows: the flushing pipe device further comprises a second sealing ring 6, wherein the second sealing ring 6 is arranged between the inner wall of the injection cavity 20 and the liquid outlet block 13, so that the sealing performance of the injection cavity 20 is better, and the risk of anticoagulant loss is reduced.

An alternative implementation of this embodiment is as follows: the wash pipe device still includes one-way valve 8, one-way valve 8 installs on air inlet channel 50, one-way valve 8 is used for to injecting the intracavity unidirectional air intake, wherein, as shown in figure 5, one-way valve 8 includes the installation tube, the fourth joint ring, the connecting rod, the dog, third spring and closing plate, the installation tube spiro union is in air inlet channel 50, the fourth joint ring is installed on the inner wall of installation tube, the dog is installed at the both ends of connecting rod respectively with the closing plate, the connecting rod cross-under is in the fourth joint ring, the closing plate sets up near injecting chamber 20, the both ends elasticity butt of third spring is on fourth joint ring and dog, during the air intake, the third spring shrink, the closing plate is kept away from fourth joint ring, after releasing button 2, the closing plate seals the butt on fourth joint ring under the effect of third spring.

An alternative implementation of this embodiment is as follows: the button 2 includes pressing the briquetting 21 and spacing ring 22, and the heavy groove has been seted up on pressing the briquetting 21, and the notch in heavy groove is installed to spacing ring 22, and the diameter of spacing ring 22 is greater than the internal diameter in logical groove, and second spring 35 butt is on spacing ring 22, and like this, button 2 is difficult for droing installation lid 12, and the structure is more reasonable.

An alternative implementation of this embodiment is as follows: the mounting groove 7 for tightening the air storage block 31 is formed in one side, close to the air filling cavity 10, of the air storage block 31, and because the air storage block 31 is located in the injection pipe 11, when the air storage block 31 is mounted, the air storage block 31 is placed at the mounting position by clamping a screwdriver into the mounting groove 7, and the screwdriver is rotated to lock the air storage block 31.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A PICC catheter anti-clogging washout device, comprising:

the injection tube is internally provided with an air inflation cavity and an injection cavity, the air inflation cavity is communicated with the injection cavity, and the injection tube is provided with an injection channel communicated with the injection cavity;

the button is movably arranged on the medicine injection tube;

the inflation assembly is arranged in the inflation cavity, the button is connected with the inflation assembly, and the button is used for triggering the inflation assembly to inflate the injection cavity;

and the piston plate is movably arranged in the injection cavity.

2. The PICC catheter anti-clogging washout device of claim 1, wherein the inflation assembly comprises:

the gas storage block is detachably plugged and installed between the gas filling cavity and the injection cavity, a gas filling cavity and a gas inlet channel are formed in the gas storage block, the gas filling cavity is communicated with the gas filling cavity, and the gas filling cavity is communicated with the injection cavity through the gas inlet channel;

one end of the air duct is connected with the button, and the other end of the air duct is movably inserted into the air injection cavity;

the first spring is arranged on the side wall of the air duct, and two ends of the first spring are respectively elastically abutted on the air storage block and the first abutting ring;

the limiting tube is arranged in the air filling cavity, one end of the limiting tube is connected with the air storage block, the other end of the limiting tube is connected with the medicine injection tube, the first spring is positioned in the limiting tube, a second abutting ring is arranged in the limiting tube, and the first abutting ring is movably abutted to the second abutting ring;

the two ends of the second spring are respectively elastically abutted on the second abutting ring and the button;

the sealing block is provided with a sinking groove on the button, the sealing block is arranged in the sinking groove, the air duct is movably inserted into the sinking groove, a gap is reserved between the air duct and the sinking groove, when the button is pressed, the sealing block is abutted to the air duct so as to seal the air duct, when the button is loosened, a gap is formed between the sealing block and the air duct, and the outside is communicated with the air duct through the gap.

3. The PICC catheter anti-clogging washout device of claim 2, wherein the drug injection tube comprises:

the air filling cavity and the injection cavity are both positioned in the injection pipe, and the air storage block is positioned in the middle of the injection pipe;

the mounting cover is detachably sleeved on the limiting pipe and is abutted to one end of the injection pipe, a through groove is formed in the mounting cover, and the button is movably mounted in the through groove;

and the liquid outlet block is arranged at one end of the injection pipe far away from the installation cover, and the medicine injection channel is positioned on the liquid outlet block.

4. The PICC catheter anti-clogging washout device according to claim 3, further comprising:

the third abutting ring is arranged on the outer side wall of the air storage block, and the limiting pipe abuts against the third abutting ring;

and the first sealing ring is arranged between the third abutting ring and the inner side wall of the inflation cavity.

5. The PICC catheter anti-clogging washout device of claim 4, further comprising:

the second sealing ring is arranged between the inner wall of the injection cavity and the liquid outlet block.

6. The PICC catheter anti-clogging washout device of claim 5, further comprising:

the one-way valve is arranged on the air inlet channel and is used for one-way air inlet into the injection cavity.

7. The PICC catheter anti-clogging washout device of claim 6, wherein the button comprises:

the pressing block is provided with the sinking groove;

and the limiting ring is arranged at the notch of the sinking groove, the diameter of the limiting ring is larger than the inner diameter of the through groove, and the second spring is abutted to the limiting ring.

8. The PICC catheter anti-clogging washout device according to claim 7, wherein: and one side of the air storage block, which is close to the air filling cavity, is provided with a mounting groove for tightening the air storage block.