CN213100045U - Indwelling needle tube fixing device - Google Patents
Indwelling needle tube fixing device Download PDFInfo
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- CN213100045U CN213100045U CN202021261795.9U CN202021261795U CN213100045U CN 213100045 U CN213100045 U CN 213100045U CN 202021261795 U CN202021261795 U CN 202021261795U CN 213100045 U CN213100045 U CN 213100045U
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- seat
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- cover plate
- bottom support
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Abstract
The application discloses keep somewhere needle and put a tub fixer, it includes: an upper fixed seat and a lower fixed seat; go up the fixing base and include: a base and a seat plate; the seat board is arranged at the upper end edge of the base through a first hinge at one end of the seat board; a plurality of positioning notches are formed on the upper side of the base; an inserting plate is rotatably arranged at the lower side of the seat plate; a dovetail groove is formed on the upper side surface of the base; the C-shaped clamping seat is arranged in the dovetail groove; a clamping opening is formed at the lower side of the base; the lower fixing base includes: a base and a cover plate; the cover plate is n-shaped, the first end of the cover plate is connected with the first end of the bottom support through a second hinge, and the second end of the cover plate is provided with a first convex tooth protruding outwards; the bottom support is a flat plate, and four upright posts extending upwards are formed in the middle of the bottom support; the second end of the bottom support is provided with a second convex tooth protruding inwards; the first convex teeth are detachably combined at the lower sides of the second convex teeth; the lower side of the bottom support is provided with viscose glue; the clamping opening of the upper fixing seat can be detachably clamped on the cover plate of the lower fixing seat.
Description
Technical Field
The application relates to a medical instrument, in particular to an indwelling needle tube fixing device.
Background
The venous indwelling needle is also called venous trocar, and the core components of the venous indwelling needle comprise a soft catheter (also called a cannula) which can be indwelling in the blood vessel and a stainless steel puncture guiding needle core. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment. The process of puncturing an indwelling needle into a patient's vein is also referred to as indwelling needle placement.
However, in a bumpy environment, such as on a boat, airplane, or traveling ambulance, there is a difficulty in placing the indwelling needle on the patient, and the puncture needle and the preselected puncture point are subject to relative displacement due to bumping or sloshing, which can lead to puncture failure and needle stick injury.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present application aims to provide an indwelling needle cannula fixing device which can provide stable support for accurately puncturing an indwelling needle into a target puncture point in a bumpy environment.
The utility model provides an it puts a tub fixer to keep somewhere needle, it includes: an upper fixed seat and a lower fixed seat;
the upper fixing seat is used for installing a body of the remaining needle; go up the fixing base and include: a base and a seat plate; the seat board is arranged at the upper end edge of the base through a first hinge at one end of the seat board; a plurality of positioning notches are formed on the upper side of the base; an inserting plate is rotatably arranged at the lower side of the seat plate; the lower end of the inserting plate is inserted into one of the positioning notches, so that the inclination angle of the seat plate on the upper side surface of the base is adjusted; a dovetail groove with the extending direction vertical to the axial direction of the first hinge is formed on the upper side surface of the base; the C-shaped clamping seat is arranged in the dovetail groove; the upper part of the C-shaped clamping seat forms a C-shaped buckle to clamp the rear end of the body of the indwelling needle, and the lower part of the C-shaped clamping seat forms a bump corresponding to the dovetail groove, so that the C-shaped clamping seat can be slidably arranged in the dovetail groove through the bump; a clamping opening is formed at the lower side of the base;
the lower fixed seat is used for installing a Y-shaped joint of the remaining needle; the lower fixing base includes: a base and a cover plate; the cover plate is n-shaped, the first end of the cover plate is connected with the first end of the bottom support through a second hinge, and the second end of the cover plate is provided with a first convex tooth protruding outwards; the bottom support is a flat plate, four upright posts which extend upwards are formed in the middle of the bottom support, and the four upright posts are in two parallel rows and used for clamping Y-shaped joints of the remaining needle; the second end of the bottom support is provided with a second convex tooth protruding inwards; the first convex teeth can be detachably combined at the lower sides of the second convex teeth, so that the cover plate is buckled on the bottom support; the lower side of the bottom support is provided with adhesive for fixing the bottom support on the skin of a patient;
the clamping opening of the upper fixing seat can be detachably clamped on the cover plate of the lower fixing seat.
Preferably, the plurality of positioning notches are arranged in a row.
Preferably, guide slopes are formed at both sides of the catching opening to facilitate the catching of the cover plate in the catching opening.
Preferably, each upper end of the four pillars is formed with a round head, and the diameter of the round head is larger than that of the pillar.
Through the indwelling needle tube fixing device, after a puncture point is determined, the lower fixing seat is fixed at a proper position on the skin surface of a patient, the upper fixing seat is fixed on the lower fixing seat in a clamping manner, the body of the indwelling needle is clamped in the C-shaped clamping seat of the upper fixing seat, the puncture angle of the indwelling needle is adjusted by the aid of the inserting plate and the positioning notch, the indwelling needle is punctured in place by the aid of sliding of the C-shaped clamping seat in the dovetail groove, the needle core (namely, the part fixedly connected with the steel needle) of the indwelling needle is withdrawn, and the indwelling needle is accurately punctured into a blood vessel of the patient.
Drawings
FIG. 1 is a schematic structural view of an indwelling needle cannula holder according to the present application;
FIG. 2 is a schematic front view showing the upper fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 3 is a schematic top view showing the structure of the base of the upper holder of the indwelling needle cannula fixing device according to the present invention;
FIG. 4 is a front view schematically showing the structure of the base of the upper fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 5 is a schematic top view showing the structure of the seat plate of the upper fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 6 is a schematic side view showing the structure of the upper fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 7 is a front view schematically illustrating the structure of the lower fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 8 is a schematic top view showing the structure of the lower holder of the indwelling needle cannula fixing device according to the present invention;
FIG. 9 is a front view schematically illustrating the structure of the cover plate of the lower fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 10 is a schematic top view showing the structure of the cover plate of the lower holder of the indwelling needle cannula fixing device according to the present invention;
FIG. 11 is a schematic top view showing the structure of the bottom holder of the lower fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 12 is a schematic front view showing the structure of the bottom holder of the lower fixing base of the indwelling needle cannula fixing device according to the present invention;
FIG. 13 is a schematic view showing the combination of the main body of the indwelling needle and the upper fixing base of the indwelling needle cannula fixing device of the present application;
FIG. 14 is a schematic view showing the combination of the Y-shaped joint of the indwelling needle and the lower holder of the indwelling needle cannula fixing device of the present invention.
Detailed Description
The indwelling needle cannula fixing device according to the present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides an it puts a tub fixer to keep somewhere needle, it includes: an upper holder 10 and a lower holder 20.
The upper fixing seat 10 is used for installing a body of the indwelling needle; the upper fixing base 10 includes: base 11 and seat plate 14; seat plate 14 is mounted at one end thereof to the upper end edge of base 11 by a hinge; a plurality of positioning notches 12 are formed on the upper side of the base 11; an inserting plate 13 is rotatably arranged at the lower side of the seat plate 14; the lower end of the insert plate 13 is inserted into one of the plurality of positioning notches 12, thereby adjusting the inclination angle of the seat plate 14 on the upper side of the base 11; a dovetail groove with the extending direction vertical to the axial direction of the hinge is formed on the upper side surface of the base 11; a C-shaped clamping seat 15 is arranged in the dovetail groove 14 a; a C-shaped buckle is formed at the upper part of the C-shaped clamping seat 15 to clamp the rear end of the indwelling needle body, and a projection 15a corresponding to the dovetail groove 14a is formed at the lower part of the C-shaped clamping seat 15, so that the C-shaped clamping seat 15 can be slidably installed in the dovetail groove 14a through the projection 15 a; the lower side of the base 11 is formed with a chucking opening 16.
The lower fixed seat 20 is used for installing a Y-shaped joint of an indwelling needle; the lower holder 20 includes: a shoe 22 and a cover 21; the cover plate 21 is formed in an n shape, a first end of the cover plate is connected with a first end of the bottom support 22 through a second hinge, and a second end of the cover plate is provided with a first convex tooth 24 protruding outwards; the bottom support 22 is a flat plate, four upright posts 25 extending upwards are formed in the middle of the bottom support, and the four upright posts 25 are in two parallel rows and are used for clamping Y-shaped joints of indwelling needles; the second end of the shoe 22 is formed with inwardly projecting second teeth 23; the first teeth 24 are detachably coupled to the lower sides of the second teeth 23, whereby the cover plate 21 is snapped on the shoe 22; the lower side of the shoe 22 is formed with an adhesive for securing the shoe 22 to the patient's skin. The adhesive on the underside of the base 22 may be replaced by a thin foam pad attachment.
The retaining opening 16 of the upper fixing base 10 is detachably retained on the cover plate 21 of the lower fixing base 20.
The plurality of positioning notches 12 are arranged in a row. Both sides of the chucking opening 16 are formed with guide slopes to facilitate chucking the cover plate 21 in the chucking opening 16. Each upper end of four stands 25 is formed with the button head, and the diameter of button head is greater than the diameter of stand to make things convenient for the card to hold the Y-shaped joint.
When placing the tube, the lower fixing seat is firstly stuck on a proper position of the skin of the patient according to a predetermined puncture point, and then the upper fixing seat is fixedly clamped on the lower fixing seat, as shown in figure 1; and then fixing the body (excluding the part with the Y-shaped head) of the indwelling needle in the C-shaped clamping seat, adjusting the puncture angle of the indwelling needle according to the tube placing requirement and the blood vessel condition of the sick and wounded in the tube placing process, sliding forwards along the dovetail groove, continuously sending the trocar forwards after the puncture succeeds and withdrawing the needle core part comprising the steel needle backwards along the dovetail groove until the trocar is sent to a proper position, taking the body part of the indwelling needle out of the upper fixing seat, fixing the body part by using a film, detaching the upper fixing seat from the fixing seat, fixing the Y-shaped joint on the lower fixing seat, and finishing the tube placing operation of the indwelling needle.
The fixer of this application can effectively reduce the removal of keeping somewhere the relative point of puncture of needle, improves and puts a tub success rate to medical personnel's needle stick is hindered in the prevention puncture process, is particularly suitable for using under the environment of jolting.
Claims (4)
1. An indwelling needle cannula holder, comprising: an upper fixed seat and a lower fixed seat;
the upper fixing seat is used for installing a body of the remaining needle; go up the fixing base and include: a base and a seat plate; the seat board is arranged at the upper end edge of the base through a first hinge at one end of the seat board; a plurality of positioning notches are formed on the upper side of the base; an inserting plate is rotatably arranged at the lower side of the seat plate; the lower end of the inserting plate is inserted into one of the positioning notches, so that the inclination angle of the seat plate on the upper side surface of the base is adjusted; a dovetail groove with the extending direction vertical to the axial direction of the first hinge is formed on the upper side surface of the base; the C-shaped clamping seat is arranged in the dovetail groove; the upper part of the C-shaped clamping seat forms a C-shaped buckle to clamp the rear end of the body of the indwelling needle, and the lower part of the C-shaped clamping seat forms a bump corresponding to the dovetail groove, so that the C-shaped clamping seat can be slidably arranged in the dovetail groove through the bump; a clamping opening is formed at the lower side of the base;
the lower fixed seat is used for installing a Y-shaped joint of the remaining needle; the lower fixing base includes: a base and a cover plate; the cover plate is n-shaped, the first end of the cover plate is connected with the first end of the bottom support through a second hinge, and the second end of the cover plate is provided with a first convex tooth protruding outwards; the bottom support is a flat plate, four upright posts which extend upwards are formed in the middle of the bottom support, and the four upright posts are in two parallel rows and used for clamping Y-shaped joints of the remaining needle; the second end of the bottom support is provided with a second convex tooth protruding inwards; the first convex teeth can be detachably combined at the lower sides of the second convex teeth, so that the cover plate is buckled on the bottom support; the lower side of the bottom support is provided with adhesive for fixing the bottom support on the skin of a patient;
the clamping opening of the upper fixing seat can be detachably clamped on the cover plate of the lower fixing seat.
2. The indwelling needle cannula holder of claim 1, wherein:
the positioning notches are arranged in a row.
3. The indwelling needle cannula holder of claim 1, wherein:
guide inclined planes are formed on two sides of the clamping opening so as to conveniently clamp the cover plate in the clamping opening.
4. The indwelling needle cannula holder of claim 1, wherein:
each upper end of four stands is formed with the button head, and the diameter of button head is greater than the diameter of stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261795.9U CN213100045U (en) | 2020-07-02 | 2020-07-02 | Indwelling needle tube fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261795.9U CN213100045U (en) | 2020-07-02 | 2020-07-02 | Indwelling needle tube fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213100045U true CN213100045U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021261795.9U Active CN213100045U (en) | 2020-07-02 | 2020-07-02 | Indwelling needle tube fixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213100045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425990A (en) * | 2021-07-02 | 2021-09-24 | 中国人民解放军总医院海南医院 | Fixer for tightening skin by PICC (peripherally inserted central catheter) |
-
2020
- 2020-07-02 CN CN202021261795.9U patent/CN213100045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425990A (en) * | 2021-07-02 | 2021-09-24 | 中国人民解放军总医院海南医院 | Fixer for tightening skin by PICC (peripherally inserted central catheter) |
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