CN215460943U

CN215460943U - Remaining needle with blood return prevention effect

Info

Publication number: CN215460943U
Application number: CN202121564858.2U
Authority: CN
Inventors: 张丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-11
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an indwelling needle with an anti-blood return effect, which comprises an indwelling needle base, wherein a connecting pipe is fixedly arranged on the bottom surface of the indwelling needle base, the outer side wall of the connecting pipe is provided with threads, the bottom surface of the indwelling needle base is provided with a protective sleeve, the inner circular wall surface of the protective sleeve is provided with threads, the retention hose is inserted into the body of the patient, and the device is fixed on the arm or the leg of the patient through the fixing mechanism, so that the fixation of the device in use is improved, in order to avoid discomfort of the patient caused by the long time of wearing the indwelling needle seat by the patient and the buffer function of the protective sponge, when the patient needs to perform infusion, the three-way valve is opened outwards, and the patient can be infused through the indwelling hose, when the three-way valve is in a balanced state, the three-way valve is closed, so that the risk of blood backflow or coagulation is avoided, and the safety of the device in use is enhanced.

Description

Remaining needle with blood return prevention effect

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an indwelling needle with an effect of preventing blood return.

Background

The indwelling needle is a needle head of the existing venous transfusion which is commonly used for venous transfusion, does not need to repeatedly carry out venipuncture transfusion, is easy to retain and can be continuously applied.

The existing indwelling needle has the blood return effect no matter how the tube is sealed after the indwelling needle is used, and when liquid is pumped, the indwelling needle returns blood too slowly, and the indwelling needle is easy to drop when in use, and is usually bound by using a medical adhesive tape, so that a patient feels quite uncomfortable when wearing the indwelling needle.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an indwelling needle with the blood return prevention effect, and solves the problems that blood returns and the indwelling needle is easy to fall off when in use regardless of the tube sealing.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an indwelling needle with an anti-blood return effect comprises an indwelling needle base, a connecting pipe is fixedly arranged on the bottom surface of the indwelling needle base, the outer side wall of the connecting pipe is provided with threads, the bottom surface of the indwelling needle base is provided with a protective sleeve, the inner circular wall surface of the protective sleeve is provided with threads, the outer side wall of the connecting pipe is in threaded connection with the inner side wall of the protective sleeve, the bottom surface of the indwelling needle base is provided with a hole, an indwelling hose is fixedly sleeved in the hole, the inner side wall of the indwelling needle base is movably connected with a handle, the outer side wall of the handle is fixedly provided with a side column, the inner top surface of the handle is fixedly provided with a puncture needle, the puncture needle is matched with the indwelling hose, the lateral wall of the indwelling needle seat is fixedly provided with a lateral pipe, the inside wall of side pipe is fixed to be cup jointed the silica gel hose, the lateral wall of silica gel hose is provided with the three-dimensional valve, the one end fixed mounting of silica gel hose has the side cover.

Preferably, the outer side wall of the indwelling needle seat is fixedly sleeved with a protective sponge, and the protective sponge is provided with a fixing mechanism.

Preferably, fixed establishment includes first fixed rope, first fixed rope fixed mounting is at the lateral wall of protection sponge, the lateral wall fixed mounting of protection sponge has the fixed rope of second, one side fixed mounting of first fixed rope has the magic son to paste, one side fixed mounting of the fixed rope of second has the female subsides of magic, the magic son pastes and pastes looks adaptation with the female subsides of magic, and fixed establishment fixes the device at patient's arm or shank, improves the fixity of device when using.

Preferably, the quantity of protection sponge is two, and the protection sponge symmetry sets up on keeping somewhere the needle file, in order to avoid the patient to wear to keep somewhere the needle file time overlength, leads to the patient to be uncomfortable, and the protection sponge can play the effect of buffering.

Preferably, the quantity of the first fixed rope, the second fixed rope, the hook-and-loop fastener and the female hook-and-loop fastener is two, and the first fixed rope, the second fixed rope, the hook-and-loop fastener and the female hook-and-loop fastener are symmetrically arranged on the two protective sponges.

Preferably, the indwelling needle seat is of a cylindrical hollow structure, and the top surface of the indwelling needle seat is open.

Compared with the prior art, the utility model has the beneficial effects that: this keep somewhere needle with prevent blood return effect, it is internal to insert the patient through keeping somewhere the hose, fix the device at patient's arm or shank through fixed establishment, improve the fixity of device when using, keep somewhere needle file time overlength in order to avoid the patient to wear, lead to the patient uncomfortable, the protection sponge can play the effect of buffering, when the patient need infuse, outwards open the three-way valve, can infuse the disease through keeping somewhere the hose this moment, when the three-way valve is in balanced state, the three-way valve is closed, the risk of blood reflux or solidification has been avoided, the security of device when using has been strengthened.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the protective cover of the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

fig. 4 is a schematic sectional structure view of the indwelling needle holder.

In the figure: the medical indwelling needle comprises a indwelling needle seat 1, a connecting pipe 2, a protective sleeve 3, a indwelling hose 4, a handle 5, a side column 6, a puncture needle 7, a side pipe 8, a silica gel hose 9, a three-way valve 10, a side sleeve 11, a protective sponge 12, a fixing mechanism 13, a first fixing rope 1301, a second fixing rope 1302, a male magic tape 1303 and a female magic tape 1304.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, including remaining needle stand 1, remaining needle stand 1 is a cylindrical hollow structure, the top surface of remaining needle stand 1 is open, the bottom surface of remaining needle stand 1 is fixedly installed with connecting pipe 2, the lateral wall of connecting pipe 2 is provided with screw thread, the bottom surface of remaining needle stand 1 is provided with protecting jacket 3, the inner circular wall of protecting jacket 3 is provided with screw thread, the lateral wall of connecting pipe 2 is in threaded connection with the inner side wall of protecting jacket 3, the bottom surface of remaining needle stand 1 is provided with a hole, remaining hose 4 is fixedly sleeved in the hole, the inner side wall of remaining needle stand 1 is movably connected with handle 5, the lateral wall of handle 5 is fixedly installed with side pillar 6, the inner top surface of handle 5 is fixedly installed with puncture needle 7, puncture needle 7 is matched with remaining hose 4, the lateral wall of remaining needle stand 1 is fixedly installed with side pipe 8, the inner side wall of side pipe 8 is fixedly sleeved with silica gel hose 9, the lateral wall of silica gel hose 9 is provided with three-way valve 10, one end of the silica gel hose 9 is fixedly provided with a side sleeve 11, the outer side wall of the indwelling needle seat 1 is fixedly sleeved with a protective sponge 12, the protective sponge 12 is provided with a fixing mechanism 13, the fixing mechanism 13 comprises a first fixing rope 1301, the first fixing rope 1301 is fixedly arranged on the outer side wall of the protective sponge 12, the number of the protective sponges 12 is two, the protective sponges 12 are symmetrically arranged on the indwelling needle seat 1, in order to avoid discomfort of a patient caused by overlong time when the indwelling needle seat 1 is worn by the patient, the protective sponge 12 can play a buffering role, the outer side wall of the protective sponge 12 is fixedly provided with a second fixing rope 1302, one side of the first fixing rope 1301 is fixedly provided with a magic tape 1303, one side of the second fixing rope 1302 is fixedly provided with a magic female tape 1304, the magic tape 1303 is matched with the magic female tape 1304, the fixing mechanism 13 fixes the device on the arm or leg of the patient, and improves the fixation of the device when in use, the number of the first fixing rope 1301, the second fixing rope 1302, the magic sub-tape 1303 and the magic mother tape 1304 is two, and the first fixing rope 1301, the second fixing rope 1302, the magic sub-tape 1303 and the magic mother tape 1304 are symmetrically arranged on the two protection sponges 12, the indwelling hose 4 is inserted into the body of the patient, and the device is fixed to the arm or leg of the patient by the fixing mechanism 13, so that the fixation of the device in use is improved, in order to avoid the discomfort of the patient caused by the long time of wearing the indwelling needle holder 1 by the patient, the protective sponge 12 can play a role of buffering, when the patient needs to carry out transfusion, the three-way valve 10 is opened outwards, and then the transfusion can be carried out to the patient through the indwelling hose 4, when the three-way valve 10 is in a balanced state, the three-way valve 10 is closed, so that the risk of blood backflow or coagulation is avoided, and the safety of the device in use is enhanced.

When in use: insert the patient internally through keeping somewhere hose 4, fix the device at patient's arm or shank through fixed establishment 13, improve the fixity of device when using, in order to avoid the patient to wear to keep somewhere needle file 1 time overlength, lead to the patient uncomfortable, protection sponge 12 can play the effect of buffering, when the patient need infuse, outwards open three-way valve 10, can infuse the disease through keeping somewhere hose 4 this moment, when three-way valve 10 is in balanced state, three-way valve 10 is closed, the risk of blood reflux or solidification has been avoided, the security of device when using has been strengthened.

In conclusion, through will keeping somewhere the hose 4 and inserting the patient in vivo, fix the device at patient's arm or shank through fixed establishment 13, improve the fixity of device when using, in order to avoid the patient to wear to keep somewhere needle file 1 time overlength, lead to the patient uncomfortable, protection sponge 12 can play the effect of buffering, when the patient needs to infuse, outwards open three-way valve 10, can infuse the patient through keeping somewhere hose 4 this moment, when three-way valve 10 is in balanced state, three-way valve 10 is closed, the risk of blood reflux or solidification has been avoided, the security of device when using has been strengthened.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a keep somewhere needle with prevent blood return effect, includes keeps somewhere needle file (1), its characterized in that, the bottom surface fixed mounting who keeps somewhere needle file (1) has connecting pipe (2), the lateral wall of connecting pipe (2) is seted up threadedly, the bottom surface of keeping somewhere needle file (1) is provided with lag (3), the interior round wall of lag (3) is seted up threadedly, the lateral wall of connecting pipe (2) and the inside wall threaded connection of lag (3), the bottom surface of keeping somewhere needle file (1) is seted up porosely, downthehole fixed the cup jointing has kept somewhere hose (4), the inside wall swing joint who keeps somewhere needle file (1) has handle (5), the lateral wall fixed mounting of handle (5) has side post (6), the inside top surface fixed mounting of handle (5) has pjncture needle (7), pjncture needle (7) with keep somewhere hose (4) looks adaptation, keep somewhere needle file (1) lateral wall fixed mounting have side pipe (8), the inside wall of side pipe (8) is fixed to be cup jointed silica gel hose (9), the lateral wall of silica gel hose (9) is provided with three-way valve (10), the one end fixed mounting of silica gel hose (9) has side cover (11).

2. The indwelling needle with the effect of preventing blood return according to claim 1, wherein a protective sponge (12) is fixedly sleeved on the outer side wall of the indwelling needle holder (1), and a fixing mechanism (13) is arranged on the protective sponge (12).

3. The indwelling needle with the effect of preventing blood return according to claim 2, wherein the fixing mechanism (13) comprises a first fixing rope (1301), the first fixing rope (1301) is fixedly installed on the outer side wall of the protection sponge (12), a second fixing rope (1302) is fixedly installed on the outer side wall of the protection sponge (12), a hook and loop fastener (1303) is fixedly installed on one side of the first fixing rope (1301), a hook and loop fastener (1304) is fixedly installed on one side of the second fixing rope (1302), and the hook and loop fastener (1303) is matched with the hook and loop fastener (1304).

4. The indwelling needle with the effect of preventing blood return according to claim 2, wherein the number of the protective sponges (12) is two, and the protective sponges (12) are symmetrically arranged on the indwelling needle holder (1).

5. The indwelling needle with the effect of preventing blood return according to claim 3, wherein the number of the first fixing rope (1301), the second fixing rope (1302), the magic sub-tape (1303) and the magic mother tape (1304) is two, and the first fixing rope (1301), the second fixing rope (1302), the magic sub-tape (1303) and the magic mother tape (1304) are symmetrically arranged on the two protective sponges (12).

6. The indwelling needle with the effect of preventing blood return according to claim 1, wherein the indwelling needle holder (1) is a cylindrical hollow structure, and the top surface of the indwelling needle holder (1) is open.