CN212651212U

CN212651212U - Catheter with scale function

Info

Publication number: CN212651212U
Application number: CN202020164707.7U
Authority: CN
Inventors: 牛丹; 张艳荣; 刘芳芳
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2021-03-05
Anticipated expiration: 2030-02-13

Abstract

The utility model discloses a catheter with scale function, which relates to the technical field of medical instruments and comprises a first pipeline, a second pipeline and a plurality of rubber bags, wherein the rubber bags are fixedly connected on the outer wall of the second pipeline; the first pipeline is provided with scale marks; an annular stop block is coaxially arranged inside one end of the first pipeline positioned in the body, and a sealing plug is arranged on the inner wall of one end of the first pipeline positioned outside the body; a plurality of rows of dosing holes are formed in the straight pipe part of the second pipeline, and each row of dosing holes is positioned in a gap between adjacent rubber bags; rubber bag and gas tube connected, the gas tube is kept away from rubber bag end and is set up the sealing plug, and the second pipeline is located external one end and is connected with the pipe for dosing, the utility model discloses not only have the catheterization function, still have the function of hemostasis by compression to urethral skin, urethra dosing, urethra supply lotion.

Description

Catheter with scale function

Technical Field

The utility model relates to the technical field of medical equipment, specifically a catheter with scale function.

Background

The catheterization operation is one of diagnosis and treatment technologies commonly used in clinical diagnosis and treatment, and the application of the catheterization operation in urine sampling, rehabilitation after urethral operation, treatment of urination system diseases and the like has a very good treatment means, but the urinary catheter still has the following technical defects in the using process: firstly, the catheter and the healthy urethra are rubbed, so that the healthy urethra skin is easily damaged to cause infection; secondly, in the postoperative rehabilitation process of the ureter, the administration or the cleaning is needed, but the existing catheter does not have the function, so the ureter needs to be drawn out of the body of the patient, and the catheter is sent into the body of the patient after the administration, so the mode not only can bring discomfort to the patient, but also can increase the urinary tract infection probability and bring pain to the patient; thirdly, when the urethral skin is not completely repaired after the ureter operation, the urethral skin can bleed, and at the moment, if physical hemostasis can be performed on the urethral skin, the urethral wound healing is facilitated.

Chinese patent publication No. CN201001108110U discloses a urinary catheter, which comprises a urinary catheter body with an open end at one end and a closed end at the other end, and a guide wire arranged in the urinary catheter body, wherein the closed end of the urinary catheter body is provided with a side hole; the inner end of the guide wire is arranged in the catheter body, and the outer end of the guide wire extends out of the catheter body through the open end of the catheter body; the inner end of the guide wire is provided with a spherical convex part, the guide wire is also sleeved with a fixed sleeve, and the inner wall of the catheter body is coaxially fixed with an annular netted baffle ring; the utility model discloses a beneficial effect: when the guide wire stretches into the catheter body and is inserted into the urethra, the linear type entering can be kept, when the bending is needed, the guide wire is only required to be pushed forwards to enable the concave part in the guide wire to be exposed, and the guide wire is easier to bend than other positions of the guide wire after the stress of the concave part is applied, so that the bending position is controllable, and meanwhile, the bending of the guide wire is easier than that of the existing linear type catheter body, and discomfort can not be brought to a patient. However, the patent does not describe the above three technical problems in detail.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a catheter with scale function, with above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a catheter with a scale function comprises a first pipeline, a second pipeline and a plurality of rubber bags, wherein the rubber bags are fixedly connected to the outer wall of the second pipeline, the second pipeline is coaxially and fixedly sleeved on the first pipeline, and two ends of the second pipeline are respectively and fixedly connected with the first pipeline in a sealing manner; the first pipeline is provided with scale marks; an annular stop block is coaxially arranged inside one end of the first pipeline positioned in the body and plays a supporting role for the guide wire, so that the catheter is conveniently conveyed into the body by the guide wire, and a sealing plug is arranged on the inner wall of one end of the first pipeline positioned outside the body; a plurality of rows of dosing holes are formed in the second pipeline, and each row of dosing holes is positioned in a gap between adjacent rubber bags; the rubber bag is connected with an inflation tube, and a sealing plug is arranged at the end of the inflation tube, which is far away from the rubber bag.

Preferably, four partition boards a are arranged inside the second pipeline, one end of each partition board a close to the administration pipe is hermetically connected with the second pipeline, one end of each partition board a far away from the administration pipe is not contacted with the second pipeline, two side ends of each partition board a are respectively and tightly connected with the inner wall of the second pipeline and the outer wall of the first pipeline, the virtual plane cross where the four partition boards a are located intersects, the four partition boards a divide the inner cavity of the second pipeline into four areas, and the joint of each partition board a and the second pipeline avoids the administration hole;

preferably, the administration tube includes a main tube, a first branch tube and a second branch tube, wherein a partition B is fixedly disposed inside each of the first branch tube and the second branch tube, the partition B divides the first branch tube and the second branch tube into two regions, the first branch tube and the second branch tube are connected to the second tube, the partition B is connected to a partition a, and the four regions of the first branch tube and the second branch tube correspond to the four regions inside the second tube.

As a preferred scheme, the inner part of the end, far away from the rubber bag, of the inflation tube is provided with an internal thread, the sealing plug comprises a plug core, a plug head and a knob, the plug core is provided with an external thread, the knob is fixedly connected to the plug head, and the plug core is in threaded connection with the inflation tube.

Preferably, the second tube includes a straight tube portion and an elastic bag portion, the elastic bag portion is located at one end of the second tube remote from the administration tube, and the elastic bag portion is supported by the medical fluid and can be engaged with a contact portion between the bladder and the ureter to prevent the medical fluid from flowing into the bladder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up second pipeline and dosing hole, realize that the catheter has the function of dosing and supplying with lotion, evenly divide into the four through setting up a baffle A with second pipeline inner chamber, divide into the four again through set up the equipartition otter board in house steward portion and at the inside liquid medicine that sets up baffle B will pour into the house steward portion of branch pipe, connect the back through baffle A and baffle B at last, four regional in four regional one-to-one second pipelines in with the branch pipe realize giving four regions in the second pipeline with liquid medicine homodisperse, because the liquid medicine evenly distributed so can ensure to be in the not hole of dosing of co-altitude outflow liquid medicine volume roughly balanced in second pipeline inner chamber, realize the equilibrium and dose.

2. The utility model discloses a lie in the internal one end of patient at the second pipeline and set up the elasticity bag, the elasticity bag is propped greatly by the liquid medicine, can block liquid medicine or lotion and get into the bladder, and it is extravagant both to avoid the liquid medicine, avoids the harm that the liquid medicine probably produced the bladder again.

3. The utility model discloses a set up rubber bag and gas tube, can bulge after the rubber bag is full of gas, the rubber bag after the bulge can contact and utilize its expanded volume to play certain oppression to urethra skin with urethra skin to realize the hemostasis by compression.

Drawings

FIG. 1 is a schematic view of a catheter structure with a scale function;

FIG. 2 is a schematic view of a catheter structure with a scale function;

FIG. 3 is an elevation view of a urinary catheter;

FIG. 4 is a schematic view showing the connection relationship between the second conduit and the administration tube;

FIG. 5 is a schematic view of the connection structure of the drug delivery tube and the second pipeline according to the present invention;

fig. 6 is a schematic view of the sealing plug.

In the figure: 1. a first conduit; 2. a second conduit; 201. a straight tube portion; 202. an elastic bag portion; 3. a rubber bag; 4. an annular stop block; 5. a sealing plug; 501. a plug core; 502. a plug head; 503. a knob; 6. an administration aperture; 7. an inflation tube; 8. an administration tube; 801. a main pipe portion; 802. a branch pipe part I; 803. a branch pipe part II; 9. a separator A; 10. uniformly distributing the screen plates; 11. and a partition B.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a catheter with a scale function includes a first pipeline 1, a second pipeline 2 and a plurality of rubber bags 3, the rubber bags 3 are fixedly connected to an outer wall of the second pipeline 2, the second pipeline 2 is coaxially and fixedly sleeved on the first pipeline 1, and two ends of the second pipeline 2 are respectively and fixedly connected to the first pipeline 1 in a sealing manner; the first pipeline 1 is provided with scale marks; an annular stop block 4 is coaxially arranged inside one end of the first pipeline 1 positioned in the body, and a sealing plug 5 is arranged on the inner wall of one end of the first pipeline 1 positioned outside the body; the second pipeline 2 comprises a straight pipe part 201 and an elastic bag part 202, the elastic bag part 202 is positioned at one end of the second pipeline 2 far away from the administration pipe 8, the straight pipe part of the second pipeline is provided with a plurality of rows of administration holes 6, and each row of administration holes 6 is positioned in a gap between adjacent rubber bags 3; the rubber bag 3 is connected with an inflation tube 7, a sealing plug 5 is arranged at the end, far away from the rubber bag 3, of the inflation tube 7, internal threads are arranged inside the end, far away from the rubber bag 3, of the inflation tube 7, the sealing plug 5 comprises a plug core 501, a plug head 502 and a knob 503, external threads are arranged on the plug core 501, the knob 503 is fixedly connected to the plug head 502, and the plug core 501 is in threaded connection with the inflation tube 7; the second pipeline 2 is positioned at one end outside the body and is connected with the administration tube 8.

Four partition boards A9 which are uniformly distributed along the radial direction are arranged in the second pipeline 2, one end of each partition board A9 close to the administration pipe 8 is hermetically connected with the second pipeline 2, one end of each partition board A9 far away from the administration pipe 8 is not contacted with the second pipeline 2, two side ends of each partition board A9 are respectively and tightly connected with the inner wall of the second pipeline 2 and the outer wall of the first pipeline 1, the virtual plane where the four partition boards A9 are located is crossed, the inner cavity of the second pipeline 2 is divided into four areas by the four partition boards A9, the connection part of each partition board A9 and the second pipeline 2 avoids the administration hole 6, the administration pipe 8 comprises a main pipe part 801, a branch pipe part I802 and a branch pipe part II 803, the main pipe part I is coaxially fixedly connected with the uniform distribution screen plate 10, a partition board B11 is respectively and fixedly arranged in the branch pipe part I802 and the branch pipe part II 803 along the axial direction, the partition board B11 divides the branch pipe part I, the first branch pipe part 802 and the second branch pipe part 803 are respectively connected with the second pipeline 2, the partition plate B11 is connected with a partition plate A9, and four areas in the first branch pipe part 802 and the second branch pipe part 803 respectively correspond to four areas in the second pipeline 2.

The utility model discloses a theory of operation is:

the administration principle is as follows: before administration, the urine in the bladder of the patient is exhausted, and the gas in the rubber bag 3 is exhausted; then, the main pipe portion 801 is lifted up to ensure that the main pipe portion 801 and the branch pipe portions are in a vertical state, then a syringe is used for puncturing the rubber plug to inject the liquid medicine into the main pipe portion 801, the liquid medicine uniformly flows downwards to the first branch pipe and the second branch pipe under the blocking of the uniform distribution screen plate 10, and the liquid medicine is divided into two parts by the partition plates B11 in the first branch pipe and the second branch pipe respectively. Then the four liquid medicines respectively enter the four areas separated by the partition board A9 in the second pipeline 2 and are sprayed to the urethral skin through the medicine feeding hole 6, the four liquid medicines are finally collected at the elastic bag, and the elastic bag is spread by hydraulic pressure to block the liquid medicines from flowing to the inside of the bladder. The overflow mode of the liquid medicine from the administration hole 6 mainly comprises three stages: the first stage is that the liquid medicine does not fill the whole inner wall of the second pipeline 2, the elastic bag is not opened, the liquid medicine mainly seeps out in a slow overflow mode, the elastic bag is not opened, but the liquid medicine cannot flow back into the bladder under the action of gravity because of slow seepage of the liquid medicine; the second stage is to fill the whole inner cavity of the second tube 2 with the liquid medicine and generate a certain pressure which opens the elastic bag part 202, at this time, the liquid medicine is ejected from the administration hole 6, and the liquid medicine is not ejected into the bladder due to the obstruction of the elastic bag part 202. In the third stage, the residual liquid medicine in the second pipeline 2 slowly seeps out of the administration hole 6. Among them, the separator a9 mainly functions in the first stage and the third stage.

The principle of hemostasis is as follows: gas is injected into the inflation tube 7 through a syringe or an air bag, the gas is injected while paying attention to the blood flow condition, if the blood flow has no obvious change, the gas can be injected slowly, and the operation is carried out until the blood flow is obviously reduced, and the gas injection is stopped.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The catheter with the scale function is characterized by comprising a first pipeline (1), a second pipeline (2) and a plurality of rubber bags (3), wherein the rubber bags (3) are fixedly connected to the outer wall of the second pipeline (2), the second pipeline (2) is coaxially and fixedly sleeved on the first pipeline (1), and two ends of the second pipeline (2) are respectively and fixedly connected with the first pipeline (1) in a sealing manner; the first pipeline (1) is provided with scale marks; an annular stop block (4) is coaxially arranged inside one end of the first pipeline (1) positioned in the body, and a sealing plug (5) is arranged on the inner wall of one end of the first pipeline (1) positioned in the body; a plurality of rows of dosing holes (6) are formed in the straight pipe part of the second pipeline, and each row of dosing holes (6) is positioned in a gap between every two adjacent rubber bags (3); rubber sack (3) are connected with gas tube (7), gas tube (7) are kept away from rubber sack (3) end and are set up sealing plug (5), second pipeline (2) are located external one end and are connected with administration pipe (8).

2. The catheter with the scale function according to claim 1, wherein four partition boards A (9) are uniformly distributed along the radial direction and arranged inside the second pipeline (2), one end of each partition board A (9) close to the administration tube (8) is hermetically connected with the second pipeline (2), one end of each partition board A (9) far away from the administration tube (8) is not in contact with the second pipeline (2), two side ends of each partition board A (9) are respectively closely connected with the inner wall of the second pipeline (2) and the outer wall of the first pipeline (1), a virtual plane cross where the four partition boards A (9) are located intersects, the inner cavity of the second pipeline (2) is divided into four areas by the four partition boards A (9), and the joint of each partition board A (9) and the second pipeline (2) avoids the administration hole (6).

3. A catheter with scale function according to claim 1, wherein the administration tube (8) comprises a main tube part (801), a first branch tube part (802) and a second branch tube part (803), the main tube part (801) is coaxially and fixedly connected with a uniform distribution screen (10), a partition board B (11) is respectively and axially fixedly arranged inside the first branch tube part (802) and the second branch tube part (803), the partition board B (11) divides the inside of the first branch tube part (802) and the second branch tube part (803) into two areas, the first branch tube part (802) and the second branch tube part (803) are respectively connected with the second pipeline (2), the partition board B (11) is connected with a partition board a (9), and the four areas in the first branch tube part (802) and the second branch tube part (803) respectively correspond to the four areas inside the second pipeline (2).

4. The catheter with the scale function according to claim 1, wherein an internal thread is arranged inside the end of the inflation tube (7) far away from the rubber bag (3), the sealing plug (5) comprises a plug core (501), a plug head (502) and a knob (503), an external thread is arranged on the plug core (501), the knob (503) is fixedly connected to the plug head (502), and the plug core (501) is in threaded connection with the inflation tube (7).

5. A catheter with scale function according to claim 1, wherein the second conduit (2) comprises a straight tube portion (201) and an elastic sac portion (202), the elastic sac portion (202) being located at an end of the second conduit (2) remote from the administration tube (8).