CN215023947U - Positive pressure venous indwelling needle fixing auxiliary device - Google Patents
Positive pressure venous indwelling needle fixing auxiliary device Download PDFInfo
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- CN215023947U CN215023947U CN202023200411.5U CN202023200411U CN215023947U CN 215023947 U CN215023947 U CN 215023947U CN 202023200411 U CN202023200411 U CN 202023200411U CN 215023947 U CN215023947 U CN 215023947U
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- herringbone
- needle
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- positioning
- indwelling needle
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Abstract
The utility model relates to a medical instrument, concretely relates to malleation vein is kept somewhere fixed auxiliary device of needle. The utility model provides a malleation vein is kept somewhere fixed auxiliary device of needle, includes the stationary blade, the stationary blade downside is equipped with the first articulamentum that is used for bonding with skin, the stationary blade is formed with the first locating slot of ascending opening, the stationary blade top is equipped with spacing piece, spacing piece top is equipped with fixes the second articulamentum on the stationary blade with spacing piece, first locating slot side wall constitutes to preceding open-ended first chevron shape location structure and backward open-ended second chevron shape location structure, second chevron shape location structure is located first chevron shape location structure front side left or front side right-hand. The utility model has the advantages of can improve and keep somewhere needle fixed stability to avoid keeping somewhere the needle and receive the maloperation removal, with avoid the steel needle to remove once more in patient's health, with avoid the uncomfortable sense improvement of patient.
Description
Technical Field
The utility model relates to a medical instrument, concretely relates to malleation vein is kept somewhere fixed auxiliary device of needle.
Background
When the indwelling needle is used, the indwelling needle is fixed on a patient body through application, and the fixing effect is not good. The steel needle of the indwelling needle is inserted into the body of the patient, and once the indwelling needle outside the body of the patient is stirred, the steel needle inserted into the body of the patient is also likely to move, which is likely to cause discomfort to the patient.
Fig. 1 is a structural schematic view of a conventional indwelling needle, the indwelling needle comprises a tee joint part 11, the tee joint part 11 is respectively connected with a steel needle 10, an extension tube 12 and a separation plug 13, the tee joint part 11 is connected with a butterfly-wing-shaped needle holding handle 14, and the tail end of the extension tube 12 is provided with a positive pressure joint 15. Because the needle holding handle 14 is in a butterfly wing shape, and one section of the three-way part 11 used for being connected with the extension tube 12 is also in an arc shape, the edges of the three-way part 11 and the needle holding handle 14 of the indwelling needle form four herringbone structures A.
Disclosure of Invention
The utility model aims at providing a fixed auxiliary device of malleation vein indwelling needle that can restrict indwelling needle and rock or back-and-forth movement.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a positive-pressure venous indwelling needle fixing auxiliary device comprises a fixing piece, wherein a first connecting layer used for being bonded with skin is arranged on the lower side of the fixing piece, a first positioning groove with an upward opening is formed in the fixing piece, a limiting piece is arranged above the fixing piece, a second connecting layer used for fixing the limiting piece on the fixing piece is arranged above the limiting piece, a first herringbone positioning structure with a forward opening and a second herringbone positioning structure with a backward opening are formed on the side groove wall of the first positioning groove, and the second herringbone positioning structure is located on the left side or the right side of the front side of the first herringbone positioning structure; when the needle holding handle and the three-way part of the indwelling needle are placed in the first positioning groove, the side groove wall of the first positioning groove is in clearance fit with the needle holding handle and the circumferential outer edge of the three-way part, and the three end parts of the three-way part and a part of the needle holding handle are positioned outside the fixing piece.
When the indwelling needle is fixed, the steel needle is inserted into the body of a patient, the fixing sheet is fixed on the skin of the patient through the first connecting layer, then the needle holding handle and the three-way part of the indwelling needle are placed in the first positioning groove of the fixing sheet, the indwelling needle is limited by the first herringbone positioning structure to move backwards, the indwelling needle is limited by the second herringbone positioning structure to move forwards, then the limiting sheet is fixed on the fixing sheet through the second connecting layer, and the second connecting layer is fixed to the three-way part of the indwelling needle exposed outside the fixing sheet and the limiting sheet and the needle holding handle, so that the indwelling needle is prevented from being separated from the device. The utility model discloses a set up the stationary blade and keep somewhere the needle back-and-forth movement with the restriction, rock about keeping somewhere the needle with the restriction through setting up second articulamentum and spacing piece to improve and keep somewhere needle fixed stability, remove by the maloperation in order to avoid keeping somewhere the needle, remove once more in avoiding the steel needle in patient's health, improve in order to avoid patient uncomfortable.
Preferably, the first positioning groove side groove wall is further formed with a third herringbone positioning structure opening to the left rear side or the right rear side and a fourth herringbone structure opening to the left front side or the right front side, the second herringbone positioning structure is located on the left side or the right side of the third herringbone positioning structure, and the first herringbone positioning structure is located on the left side or the right side of the fourth herringbone positioning structure. The arrangement is adopted to further avoid the left-right movement and the front-back movement of the remaining needle.
Preferably, the edge of the fixing piece is provided with an L-shaped positioning bulge extending upwards, the edge of the limiting piece is provided with an L-shaped positioning notch, and the arrangement facilitates the alignment of the limiting piece and the fixing piece and the positioning of the limiting piece.
Preferably, the limiting sheet is provided with a second positioning groove with a downward opening, and the second positioning groove of the limiting sheet and the first positioning groove of the fixing sheet are arranged in mirror symmetry. Wherein, the spacing piece is provided with the second constant head tank and enables the fixed piece to be thinner. The second positioning groove and the first positioning groove of the fixing piece are arranged in a mirror symmetry mode, the positioning effect of the remaining needle can be better as the optimum selection, the first connecting layer and the second connecting layer are both transparent application, and the second connecting layer covers the limiting piece. Transparent applying ointment or plaster can not only realize the fixed of stationary blade and spacing piece, and the gas permeability is better to be convenient for observe stationary blade and spacing piece.
Preferably, the fixing piece or/and the limiting piece is/are provided with air holes penetrating through the fixing piece or/and the limiting piece from top to bottom. The ventilation effect is improved by the arrangement, so that the comfort of a patient is ensured.
The utility model has the advantages of can improve and keep somewhere needle fixed stability to avoid keeping somewhere the needle and receive the maloperation removal, with avoid the steel needle to remove once more in patient's health, with avoid the uncomfortable sense improvement of patient.
Drawings
FIG. 1 is a schematic view showing a structure of an indwelling needle;
FIG. 2 is a schematic structural view of a fixing sheet of the present invention;
fig. 3 is a schematic structural view of the spacing piece of the present invention;
FIG. 4 is a schematic view of the fixing sheet of the present invention engaging with the first connecting layer;
fig. 5 is a schematic structural diagram of the second connection layer, the limiting sheet, the fixing sheet and the first connection layer of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
Shown by fig. 1 to 5, the utility model discloses a malleation vein indwelling needle fixes auxiliary device, including stationary blade 2, 2 downside of stationary blade are equipped with and are used for the first articulamentum 3 that bonds with skin, and stationary blade 2 top is equipped with spacing piece 4, and spacing piece 4 top is equipped with fixes spacing piece 4 second articulamentum 5 on stationary blade 2, and first articulamentum 3 and second articulamentum 5 are transparent applying ointment or plaster, and spacing piece 4 is covered to second articulamentum 5.
The stator 2 is formed with the first locating slot 21 of ascending open-ended, first locating slot 21 side bank of cells constitutes the first chevron shape location structure 22 of ascending open-ended, the second chevron shape location structure 23 of backward open-ended, the third chevron shape location structure 24 of left rear open-ended and the fourth chevron shape structure 25 of right front open-ended, second chevron shape location structure 23 is located the left of first chevron shape location structure 22 front side, second chevron shape location structure 23 is located the left of third chevron shape location structure 24, first chevron shape location structure 22 is located the right of fourth chevron shape location structure 25.
When the needle holding handle 14 and the three-way part 11 of the indwelling needle are placed in the first positioning groove 21, the side groove walls of the first positioning groove 21 are in clearance fit with the peripheral outer edges of the needle holding handle 14 and the three-way part 11, the first herringbone positioning structure 22, the second herringbone positioning structure 23, the third herringbone positioning structure 24 and the fourth herringbone structure 25 are respectively matched with a herringbone structure A of the indwelling needle, and three end parts of the three-way part 11 and a part of the needle holding handle 14 are positioned outside the fixing plate 2.
The edge of the fixing plate 2 is provided with an L-shaped positioning bulge 25 extending upwards, the edge of the limiting plate 4 is provided with an L-shaped positioning notch 41, and when the limiting plate 4 is placed on the fixing plate 2, the upper end face of the limiting plate and the upper end face of the L-shaped positioning bulge 25 are located on the same plane. The limiting sheet 4 is formed with a second positioning groove 43 with a downward opening, and the second positioning groove 42 and the first positioning groove 21 of the fixing sheet 2 are arranged in mirror symmetry. Wherein, the fixed piece 2 and the spacing piece 4 are both provided with air holes 42 which penetrate through up and down.
The utility model has the advantages of can improve and keep somewhere needle fixed stability to avoid keeping somewhere the needle and receive the maloperation removal, with avoid the steel needle to remove once more in patient's health, with avoid the uncomfortable sense improvement of patient.
Claims (6)
1. A positive-pressure venous indwelling needle fixing auxiliary device is characterized by comprising a fixing piece, wherein a first connecting layer used for being bonded with skin is arranged on the lower side of the fixing piece, a first positioning groove with an upward opening is formed in the fixing piece, a limiting piece is arranged above the fixing piece, a second connecting layer used for fixing the limiting piece on the fixing piece is arranged above the limiting piece, a first herringbone positioning structure with a forward opening and a second herringbone positioning structure with a backward opening are formed on the side groove wall of the first positioning groove, and the second herringbone positioning structure is positioned on the left side or the right side of the front side of the first herringbone positioning structure; when the needle holding handle and the three-way part of the indwelling needle are placed in the first positioning groove, the side groove wall of the first positioning groove is in clearance fit with the needle holding handle and the circumferential outer edge of the three-way part, and the three end parts of the three-way part and a part of the needle holding handle are positioned outside the fixing piece.
2. The positive pressure venous indwelling needle fixation assisting device according to claim 1, wherein the side wall of the first positioning groove is further formed with a third herringbone positioning structure opening to the left rear side or the right rear side and a fourth herringbone structure opening to the left front side or the right front side, the second herringbone positioning structure is located on the left side or the right side of the third herringbone positioning structure, and the first herringbone positioning structure is located on the left side or the right side of the fourth herringbone positioning structure.
3. The positive pressure venous indwelling needle fixation assisting device according to claim 1, wherein the edge of the fixing piece is provided with an L-shaped positioning protrusion extending upwards, the edge of the limiting piece is provided with an L-shaped positioning notch,
4. the positive pressure venous indwelling needle fixation auxiliary device according to claim 1, wherein the stopper piece is formed with a second positioning groove that opens downward, and the second positioning groove of the stopper piece and the first positioning groove of the fixing piece are arranged in mirror symmetry.
5. The positive pressure venous indwelling needle fixation assisting device according to claim 1, wherein the first connecting layer and the second connecting layer are both transparent application, and the second connecting layer covers the limiting sheet.
6. The positive pressure venous indwelling needle fixation assisting device according to claim 1, wherein the fixing piece or/and the limiting piece is/are provided with air holes penetrating up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200411.5U CN215023947U (en) | 2020-12-24 | 2020-12-24 | Positive pressure venous indwelling needle fixing auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200411.5U CN215023947U (en) | 2020-12-24 | 2020-12-24 | Positive pressure venous indwelling needle fixing auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215023947U true CN215023947U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023200411.5U Active CN215023947U (en) | 2020-12-24 | 2020-12-24 | Positive pressure venous indwelling needle fixing auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215023947U (en) |
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2020
- 2020-12-24 CN CN202023200411.5U patent/CN215023947U/en active Active
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