CN210447771U - Deep vein catheterization with pressure-relieving structure - Google Patents
Deep vein catheterization with pressure-relieving structure Download PDFInfo
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- CN210447771U CN210447771U CN201920869417.XU CN201920869417U CN210447771U CN 210447771 U CN210447771 U CN 210447771U CN 201920869417 U CN201920869417 U CN 201920869417U CN 210447771 U CN210447771 U CN 210447771U
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- vein catheterization
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Abstract
The utility model discloses a deep vein catheterization with pressure-relieving structure, which comprises a deep vein catheterization tube, wherein the deep vein catheterization tube is fixedly communicated with a section of elastic air bag tube at the outer end of a patient body, the end of the elastic air bag tube far away from the deep vein catheterization tube is fixedly communicated with a perfusion tube, the perfusion tube is fixedly communicated with a positive pressure joint, the positive pressure joint is provided with a rubber plug at the side port far away from the perfusion tube, the deep vein catheterization tube with the pressure-relieving structure has reasonable design, medical personnel can adjust the pressure for pushing medicine according to observing the elastic air bag tube, the device can adjust the flow rate of the liquid medicine flowing into the patient body in the deep vein catheterization tube according to requirements, and the deep vein catheterization tube is fixed by a fixing structure, the fixity is high, the adjustment of a bandage is carried out according to the body of the patient, the problem that the injection speed is difficult to be controlled by the medical personnel in the process of pushing, the injection pressure may be too high to damage the blood vessel, causing a problem of medical defect.
Description
Technical Field
The utility model relates to the field of medical technology, specifically a dark vein catheterization with slowly press structure.
Background
The deep vein catheterization is a catheter placed in the central vein of the upper cavity by peripheral venipuncture before elbow, can be kept somewhere for a long time for use, various medicines are directly conveyed to the central vein, the medicine concentration can be quickly diluted, the injury of irritant medicines to blood vessels is avoided, the middle-term to long-term venous transfusion treatment is provided for patients, the requirement of conventional treatment courses of tumor patients is met, the pain brought to the patients by frequent venipuncture is reduced, the injury of irritant medicines to the blood vessels of the patients is avoided, the peripheral blood vessels of the patients are protected, the danger of the deep vein catheterization is lower than that of the central venous catheter, and serious complications caused by the puncture of the neck and the chest are avoided, for example: the incidence of pneumothorax and hemothorax infection is reduced by 3 percent compared with CVC, and the transfusion problem of patients with poor peripheral blood vessel condition is solved.
However, since the deep vein catheterization is thin, it is difficult for medical staff to control the injection speed during the process of pushing the medicine, which may cause the over-high injection pressure to damage the blood vessel, and when the deep vein catheterization is fixed, the common method is to fix the deep vein catheterization by using a medical adhesive tape, which is not firm in fixation, and the deep vein catheterization is easy to fall out under external force, resulting in medical defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dark vein catheterization with slowly press structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a deep vein catheterization with a pressure relief structure comprises a deep vein catheterization, wherein one end of the deep vein catheterization, which is kept outside a patient body, is fixedly communicated with a section of elastic air bag pipe through a rubber pipe, one end of the elastic air bag pipe, which is far away from the deep vein catheterization, is fixedly communicated with an infusion pipe, the infusion pipe is fixedly communicated with a positive pressure joint, the positive pressure joint is far away from a side port of the infusion pipe and is provided with a rubber plug, and one end of the deep vein catheterization, which is kept outside the patient body, is provided with a fixing structure;
the fixing structure comprises a fixing seat which slides on the rubber tube, the lower end of the fixing seat is rotatably assembled with a connector, and a length-adjustable binding band is assembled on the connector.
Preferably, the air bag is installed on the outside of the elastic air bag tube, a through hole is formed in the air bag, one end of the air bag is fixed on the outer wall surface of the deep vein tube, and the other end of the air bag is fixed on the outer wall surface of the infusion tube. The gasbag can prevent that elasticity gasbag pipe from buckling and causing the liquid medicine can not flow into the patient internal, and the through-hole on the gasbag can keep the inside atmospheric pressure of gasbag the same with outside atmospheric pressure.
Preferably, the positive pressure joint is provided with a hard thread on the outer wall surface far away from the side port of the infusion tube, and the hard thread is spirally provided with a nut. The screw cap can reduce bacteria stuck on the rubber plug.
Preferably, the infusion tube is provided with a flow limiting structure at the end close to the infusion bottle, the flow limiting structure comprises a limiting seat capable of sliding on the infusion tube, a chute is formed in the limiting seat, a rolling disc is arranged in the limiting seat in a rolling mode, and the rolling disc and the infusion tube are located above the chute. Through the rolling disc, change the infusion region in the transfer line, and then adjust the speed of infusion, when the rolling disc rolled to the chute high position, the extrusion of wall on rolling disc and chute reduced the infusion region in the transfer line to reduce the velocity of flow of liquid medicine, otherwise improved the velocity of flow of liquid medicine.
Preferably, the infusion tube, the elastic air bag tube, the positive pressure joint and the deep vein catheterization tube are made of materials which do not react with the liquid medicine, so that the liquid medicine is prevented from reacting with the inner wall of the tube.
Compared with the prior art, the beneficial effects of the utility model are that: the deep vein catheterization with the pressure-relieving structure has reasonable design, an elastic air sac tube is connected on the deep vein catheterization, when the pressure is too high, the elastic air sac tube expands, medical staff adjust the pressure for pushing the medicine according to observing the elastic air sac tube, the device can adjust the flow rate of the liquid medicine flowing into the body of the patient in the deep vein catheterization according to the requirement, and simultaneously fixes the deep vein catheterization through the fixing structure, the fixation is high, and the adjustment of the binding band is carried out according to the stature of the patient, thereby effectively solving the problems that in the process of pushing the medicine, the medical staff is difficult to control the injection speed, the injection pressure is possibly overlarge to damage the blood vessel, when the deep vein catheterization is fixed, a common method is to fix the deep vein catheterization by using a medical adhesive tape, so that the deep vein catheterization is not firmly fixed, and the deep vein catheterization is easy to fall out under external force, thereby causing medical defects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a supplementary illustration of FIG. 1;
fig. 3 is a schematic view of the structure of the current limiting structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dark vein puts pipe with pressure relieving structure, it includes dark vein puts pipe 1, it is internal that dark vein puts 1 part of pipe and inserts the patient, partly stay the patient is external, dark vein puts pipe 1 and has one section elasticity gasbag pipe 2 through the fixed intercommunication of rubber tube in patient external end, elasticity gasbag pipe 2 keeps away from that the fixed intercommunication of dark vein puts 1 end of pipe has transfer line 3, the fixed intercommunication has malleation joint 4 on the transfer line 3, malleation joint 4 keeps away from 3 side ports of transfer line department and is equipped with 5 dark vein of rubber buffer and puts pipe 1 and stay and be equipped with fixed knot structure 11 in patient external end.
A part of a deep vein catheterization tube 1 is inserted into a patient body, the deep vein catheterization tube 1 remained outside the patient body is fixed through a fixing structure 11, then a medicine inlet end of a transfusion tube 3 is inserted into a transfusion bottle, medicine liquid in the transfusion bottle flows through the transfusion tube 3 to the elastic air sac tube 2, finally the medicine liquid is delivered into the patient body through the deep vein catheterization tube 1, when medicine needs to be added to the medicine liquid, a needle head is inserted into a rubber plug 5, the medicine in a needle tube is added into the transfusion tube 3, the injection liquid is pushed from a positive pressure joint 4 along with the original medicine liquid entering the patient body, when the pushing pressure is overlarge in the pushing process, the elastic air sac tube 2 expands, the volume is increased, the overall pressure in the deep vein catheterization tube 1 is reduced, so that the pressure is not overlarge and the blood vessel is damaged, when medical personnel notice that the elastic air sac tube 2 expands, the pushing speed can be properly reduced, the pushing pressure is reduced, the pressure is reduced, and the expanded elastic air bag tube 2 can contract in real time, so that the effect of buffering the pressure can be achieved.
The fixing structure 11 comprises a fixing seat 111 installed on the rubber tube, the fixing seat 111 can slide on the rubber tube, a connector 112 is rotatably assembled at the lower end of the fixing seat 111, a binding belt 113 is assembled on the connector 112, and the length of the binding belt 113 is adjustable.
An air bag 6 is arranged on the outer side of the elastic air bag tube 2, a through hole 7 is arranged on the air bag 6, one end of the air bag 6 is fixed on the outer wall surface of the deep vein tube 1, and the other end of the air bag 6 is fixed on the outer wall surface of the infusion tube 3.
The air bag 6 can prevent the liquid medicine from flowing into the patient body caused by the bending of the elastic air bag tube 2, and the through hole 7 on the air bag 6 can keep the internal air pressure of the air bag 6 the same as the external atmospheric pressure.
The outer wall surface of the positive pressure joint 4 far away from the side port of the infusion tube 3 is provided with a hard thread 8, and the hard thread 8 is spirally provided with a screw cap 9.
When inserting the syringe needle into rubber buffer 5, take off nut 9 from stereoplasm screw thread 8 earlier, then disinfect rubber buffer 5 surface, insert the syringe needle into rubber buffer 5 again, nut 9 can reduce the bacterium of gluing on the rubber buffer 5.
The infusion tube 3 is provided with a flow limiting structure 10 near the infusion bottle, the flow limiting structure 10 comprises a limiting seat 101 capable of sliding on the infusion tube 3, an inclined groove is formed in the limiting seat 101, a rolling disc 102 is arranged in the limiting seat 101 in a rolling mode, and the rolling disc 102 and the infusion tube 3 are arranged above the inclined groove.
The infusion area in the infusion tube 3 is changed by rolling the rolling disc 102, so that the infusion speed is adjusted, when the rolling disc 102 rolls to the high position of the inclined groove, the rolling disc 102 and the upper wall surface of the inclined groove are extruded, the infusion area in the infusion tube 3 is reduced, the flow rate of the liquid medicine is reduced, and otherwise, the flow rate of the liquid medicine is improved.
The transfusion tube 3, the elastic air sac tube 2, the positive pressure joint 4 and the deep vein catheterization tube 1 are made of materials which do not react with the liquid medicine.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The deep vein catheterization pipe with the pressure relieving structure is characterized by comprising a deep vein catheterization pipe (1), wherein one end, left outside a patient, of the deep vein catheterization pipe (1) is fixedly communicated with one section of elastic air bag pipe (2) through a rubber pipe, one end, far away from the deep vein catheterization pipe (1), of the elastic air bag pipe (2) is fixedly communicated with a perfusion tube (3), the perfusion tube (3) is fixedly communicated with a positive pressure joint (4), the side port, far away from the perfusion tube (3), of the positive pressure joint (4) is provided with a rubber plug (5), and one end, left outside the patient, of the deep vein catheterization pipe (1) is provided with a fixing structure (11);
the fixing structure (11) comprises a fixing seat (111) capable of sliding on the rubber tube, a connector (112) is rotatably assembled at the lower end of the fixing seat (111), and a length-adjustable binding belt (113) is assembled on the connector (112).
2. The deep vein catheterization with the pressure relieving structure according to claim 1, wherein an air bag (6) is installed on the outer side of the elastic air bag catheter (2), a through hole (7) is formed in the air bag (6), one end of the air bag (6) is fixed on the outer wall surface of the deep vein catheterization (1), and the other end of the air bag (6) is fixed on the outer wall surface of the infusion tube (3).
3. The deep intravenous catheter with the pressure relieving structure as claimed in claim 1, wherein the outer wall surface of the positive pressure joint (4) away from the side port of the infusion tube (3) is provided with a hard thread (8), and the hard thread (8) is spirally provided with a nut (9).
4. The deep vein catheterization with the pressure relief structure according to claim 1, wherein the infusion tube (3) is equipped with a flow limiting structure (10) at the end close to the infusion bottle, the flow limiting structure (10) comprises a limiting seat (101) capable of sliding on the infusion tube (3), an inclined groove is formed in the limiting seat (101), a rolling disc (102) is roll-equipped in the limiting seat (101), and the rolling disc (102) and the infusion tube (3) are located above the inclined groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869417.XU CN210447771U (en) | 2019-06-11 | 2019-06-11 | Deep vein catheterization with pressure-relieving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869417.XU CN210447771U (en) | 2019-06-11 | 2019-06-11 | Deep vein catheterization with pressure-relieving structure |
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| Publication Number | Publication Date |
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| CN210447771U true CN210447771U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920869417.XU Active CN210447771U (en) | 2019-06-11 | 2019-06-11 | Deep vein catheterization with pressure-relieving structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337498A (en) * | 2022-08-22 | 2022-11-15 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
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2019
- 2019-06-11 CN CN201920869417.XU patent/CN210447771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337498A (en) * | 2022-08-22 | 2022-11-15 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
| CN115337498B (en) * | 2022-08-22 | 2024-02-02 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
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