CN219814263U - Puncture auxiliary device with adjustable depth and angle - Google Patents
Puncture auxiliary device with adjustable depth and angle Download PDFInfo
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- CN219814263U CN219814263U CN202321114948.0U CN202321114948U CN219814263U CN 219814263 U CN219814263 U CN 219814263U CN 202321114948 U CN202321114948 U CN 202321114948U CN 219814263 U CN219814263 U CN 219814263U
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- puncture needle
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- 239000000523 sample Substances 0.000 claims abstract description 15
- 230000035515 penetration Effects 0.000 claims description 7
- 210000004204 blood vessel Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000000502 dialysis Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 208000036828 Device occlusion Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a puncture auxiliary device with adjustable depth and angle, which comprises a clamping ring, two depth scales, two push-pull bars, an angle adjusting mechanism and a puncture needle fixing clamp, wherein the clamping ring is used for placing a B ultrasonic probe; the two push-pull bars are respectively inserted into the corresponding depth sliding grooves in a sliding manner, and depth indicators are arranged on the two push-pull bars; the outer ends of the two push-pull bars are respectively and fixedly arranged on two sides of the angle adjusting mechanism, the puncture needle fixing clamp is arranged at the end part of the angle adjusting mechanism far away from the push-pull bars, the puncture needle fixing clamp is used for clamping and fixing the puncture needles, and the angle adjusting mechanism can adjust the angles of the puncture needles clamped in the puncture needle fixing clamp. The puncture auxiliary device can realize accurate adjustment of the puncture angle and the puncture depth of the puncture needle.
Description
Technical Field
The utility model relates to the technical field of dialysis equipment, in particular to a puncture auxiliary device with adjustable depth and angle.
Background
Hemodialysis is to draw the blood of a patient out of the body and pass through a purification device to remove some pathogenic substances therein and purify the blood so as to achieve the purpose of treating diseases; before dialysis, a vascular access is established, arterial blood is introduced into a dialyzer, the blood is purified by dialysis, and the purified blood is returned to the body through a venous end for a series of treatment courses.
In clinical practice guidelines, buttonhole puncturing is the best puncturing method for effectively preventing and stopping complications of intravenous fistulae; the essence of the buttonhole puncture is to establish and maintain a buttonhole tunnel, and three methods for establishing the buttonhole tunnel are clinically applied at present: special person, thumbtack and indwelling needle; the drawing pin method has the defects of expensive cost for establishing the buttonhole tunnel, catheter blockage, accidental release, bleeding and infection, and the special method has no defects of the two methods and only has the requirement of specificity of puncture personnel. The proprietary method is the earliest and most widely applied method for establishing buttonhole tunnels; the principle is that the same nurse uses a sharp needle to puncture for 6-12 times from the same puncture point at the same puncture angle and depth to form a buttonhole tunnel, then the puncture is changed into a blunt needle puncture, and then other nurses can puncture the buttonhole tunnel; the key points of the private law are '3 same', namely the same puncture point, the same puncture angle and the same needle penetration depth, which are the keys for forming the buttonhole tunnel; when puncturing a patient, it is difficult to ensure the same puncture point, the same puncture angle and the same needle penetration depth without external auxiliary equipment.
Disclosure of Invention
The utility model aims to provide a puncture auxiliary device with adjustable depth and angle, which solves the problem that a puncture needle is difficult to accurately insert into a blood vessel of a patient when blood purification treatment is carried out on the patient.
The aim of the utility model can be achieved by the following technical scheme:
a penetration assisting apparatus of adjustable depth and angle comprising:
the clamping ring is used for placing the B ultrasonic probe;
the two depth scales are symmetrically arranged on the periphery of the clamping ring, the two depth scales are provided with depth sliding grooves, and different puncture angle values and corresponding puncture depth values are carved on two sides of each depth sliding groove;
the two push-pull bars are respectively inserted into the corresponding depth sliding grooves in a sliding manner, and depth indicators are arranged on the two push-pull bars;
the outer ends of the two push-pull bars are respectively and fixedly arranged at two sides of the angle adjusting mechanism, so that the angle adjusting mechanism drives the two push-pull bars to synchronously move;
the puncture needle fixing clamp is arranged at the end part of the angle adjusting mechanism, which is far away from the push-pull rod, and is used for clamping and fixing the puncture needle;
wherein, the angle adjustment mechanism can adjust the angle of the puncture needle clamped in the puncture needle fixing clamp.
As a further scheme of the utility model: a depth limiter is movably arranged in each of the two depth sliding grooves of the push-pull bars, and the depth limiter is used for limiting the position of the push-pull bars in the depth sliding grooves.
As a further scheme of the utility model: the angle adjusting mechanism includes:
the outer ends of the two push-pull bars are respectively and fixedly arranged on two sides of the connecting bar, and an included angle between the connecting bar and the push-pull bars is 60 degrees;
the angle dial is arranged at the end part of the connecting rod, which is far away from the push-pull bar, and different angle values are carved on the angle dial;
the adjusting rod is arranged between the angle disc and the puncture needle fixing clamp and can drive the puncture needle fixing clamp to rotate.
As a further scheme of the utility model: the clamping ring is provided with a notch, so that B ultrasonic probes with different sizes can be clamped into the clamping ring.
As a further scheme of the utility model: the snap ring outside still detachable is provided with the vessel drawing pen, the vessel drawing pen is used for drawing vessel trend and diameter.
The utility model has at least the following beneficial effects:
by using the puncture auxiliary device with adjustable depth and angle, provided by the utility model, the angle of the puncture needle fixing clamp can be accurately adjusted by rotating the angle dial, a proper puncture angle is selected according to the vertical puncture depth, a nurse manually rotates the angle dial to a corresponding puncture angle and then locks the dead angle dial, and the adjusting rod rotates to the position of the puncture angle along with the angle dial, so that the angle adjustment of the puncture needle fixing clamp is completed; the nurse manually promotes two push-pull bars through the connecting rod and slides in the degree of depth spout that corresponds, stop promoting the push-pull bar after the push-pull bar removes to the degree of depth alignment of the corresponding puncture angle on degree of depth indicator and the depth chi to keep away from the tip of connecting rod with the depth limiter, pull out the push-pull bar through the connecting rod afterwards, install the pjncture needle to pjncture needle mounting anchor clamps on, after the pjncture needle mounting is accomplished, disinfect to patient puncture position, confirm the puncture position with the B ultrasonic probe again after, push the push-pull bar to the position that depth limiter limited promptly, will puncture the pjncture needle according to preset degree of depth and angle accuracy to patient's body.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a structure of a puncture assisting device with adjustable depth and angle and a B-ultrasonic probe;
FIG. 2 is a schematic view of the overall structure of a penetration assisting device with adjustable depth and angle according to the present utility model.
In the figure: 1. a clasp; 2. a B ultrasonic probe; 3. a depth gauge; 4. a depth chute; 5. a push-pull bar; 6. a depth indicator; 7. an angle adjusting mechanism; 8. a puncture needle fixing clamp; 9. a depth limiter; 10. a connecting rod; 11. an angle scale; 12. an adjusting rod; 13. a vessel drawing pen; 14. a puncture needle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the utility model provides a puncture assisting device with adjustable depth and angle, which comprises a clamping ring 1, two depth gauges 3, two push-pull levers 5, an angle adjusting mechanism 7 and a puncture needle fixing clamp 8.
Wherein, snap ring 1 is used for placing B ultrasonic probe 2, and preferably, still set up the breach on the snap ring 1, in B ultrasonic probe 2 was blocked to snap ring 1 from the breach, not only be convenient for to B ultrasonic probe 2's fixed, can also realize that B ultrasonic probe 2 of equidimension all can block in snap ring 1, improve puncture auxiliary device's application scope, snap ring 1 outside still detachable is provided with a plurality of blood vessel drawing pens 13, blood vessel drawing pen 13 is used for drawing blood vessel trend and diameter.
The two depth scales 3 are symmetrically arranged on the periphery of the clamping ring 1, and the two depth scales 3 are provided with depth sliding grooves 4, in the embodiment, the depth scales 3 are obliquely arranged on the clamping ring 1, and two sides of each depth sliding groove 4 are carved with different puncture angle values and corresponding puncture depth values; the two push-pull bars 5 are respectively inserted into the corresponding depth sliding grooves 4 in a sliding manner, and depth indicators 6 are arranged on the two push-pull bars 5; the outer ends of the two push-pull bars 5 are respectively fixedly arranged at two sides of the angle adjusting mechanism 7, so that the angle adjusting mechanism 7 drives the two push-pull bars 5 to synchronously move; the puncture needle fixing clamp 8 is arranged at the end part of the angle adjusting mechanism 7, which is far away from the push-pull rod 5, and the puncture needle fixing clamp 8 is used for clamping and fixing the puncture needle 14; wherein the angle adjusting mechanism 7 can adjust the angle of the puncture needle 14 clamped in the puncture needle fixing clamp 8.
Further, in this embodiment, a depth limiter 9 is movably disposed in the depth chute 4 of the two push-pull levers 5, and the depth limiter 9 is used for limiting the position of the push-pull lever 5 in the depth chute 4, so that the penetration depth is more accurate.
As shown in fig. 2, in this embodiment, the angle adjusting mechanism 7 includes a connecting rod 10, an angle dial 11 and an adjusting rod 12, the outer ends of the two push-pull bars 5 are respectively and fixedly disposed at two sides of the connecting rod 10, the included angle between the connecting rod 10 and the push-pull bars 5 is 60 °, the angle dial 11 is disposed at the end of the connecting rod 10 far away from the push-pull bars 5, and different angle values are carved on the angle dial 11; the adjusting rod 12 is arranged between the angle scale 11 and the puncture needle fixing clamp 8, the adjusting rod 12 can drive the puncture needle fixing clamp 8 to rotate, and an angle indicator can be arranged on the adjusting rod 12, so that the angle of the puncture needle 14 can be adjusted more intuitively and accurately.
The puncture depth, the puncture angle and the needle insertion length are utilized to form a right triangle, the needle insertion length is obtained through the puncture depth and the puncture angle by utilizing the sine theorem of the right triangle, and then the puncture needle 14 and the depth gauge 3 are utilized to determine corresponding puncture depth values in parallel.
In particular, when the puncture auxiliary device with adjustable depth and angle provided by the utility model is used, a dialysis patient is ready before dialysis, a nurse observes the vascular condition of the patient by using a B-ultrasonic instrument, after the nurse determines the approximate puncture position, the clamping ring 1 of the device is placed on the position to be punctured, the B ultrasonic probe 2 is clamped in the clamping ring 1, the blood vessel drawing pen 13 is used for drawing the trend and the diameter of the blood vessel at the puncture position, then the vertical depth of the puncture part from the puncture blood vessel is measured by using the B ultrasonic probe 2, a proper puncture angle is selected according to the vertical puncture depth, a nurse manually rotates the angle dial 11 to the corresponding puncture angle and then locks the dead angle dial 11, the adjusting rod 12 rotates to the position of the puncture angle along with the angle dial 11, the angle adjustment of the puncture needle fixing clamp 8 is completed, the nurse then manually pushes the two push-pull bars 5 through the connecting rods 10 to slide in the corresponding depth runners 4, when the push-pull bar 5 moves to the depth alignment of the depth indicator 6 and the corresponding puncture angle on the depth gauge 3, the push-pull bar 5 stops pushing, and the depth limiter 9 is fixed at the end of the push-pull bar 5 away from the connecting rod 10, then the push-pull rod 5 is pulled out through the connecting rod 10, the puncture needle 14 is mounted on the puncture needle fixing clamp 8, after the puncture needle 14 is mounted, sterilizing the puncture part of the patient, determining the puncture position by the B ultrasonic probe 2 again, pushing the push-pull bar 5 to the bottom, namely the position limited by the depth limiter 9, namely, the puncture needle 14 is accurately punctured into the body of a patient according to the preset depth and angle, after the B ultrasonic display screen is observed to display that the needle tip of the puncture needle 14 is positioned in a blood vessel, the puncture needle 14 is taken off from the puncture needle fixing clamp 8, the needle is moved horizontally, and finally, the adhesive tape is stuck to complete one puncture.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model.
In addition, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and the like should be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing detailed description of the preferred embodiments of the utility model should not be taken as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. A penetration assisting apparatus of adjustable depth and angle, comprising:
a clasp (1) for placing a B ultrasonic probe (2);
the two depth scales (3) are symmetrically arranged on the periphery of the clamping ring (1), the two depth scales (3) are provided with depth sliding grooves (4), and different puncture angle values and corresponding puncture depth values are carved on two sides of each depth sliding groove (4);
the two push-pull bars (5) are respectively inserted into the corresponding depth sliding grooves (4) in a sliding manner, and depth indicators (6) are arranged on the two push-pull bars (5);
the outer ends of the two push-pull levers (5) are respectively and fixedly arranged at two sides of the angle adjusting mechanism (7), so that the angle adjusting mechanism (7) drives the two push-pull levers (5) to synchronously move;
the puncture needle fixing clamp (8) is arranged at the end part of the angle adjusting mechanism (7) far away from the push-pull rod (5), and the puncture needle fixing clamp (8) is used for clamping and fixing a puncture needle (14);
wherein the angle adjusting mechanism (7) can adjust the angle of the puncture needle (14) clamped in the puncture needle fixing clamp (8).
2. The puncture assisting device with adjustable depth and angle according to claim 1, characterized in that a depth limiter (9) is movably arranged in the depth slide grooves (4) of the two push-pull bars (5), and the depth limiter (9) is used for limiting the position of the push-pull bars (5) in the depth slide grooves (4).
3. A penetration assisting device of adjustable depth and angle according to claim 2, characterized in that the angle adjusting mechanism (7) comprises:
the outer ends of the two push-pull bars (5) are respectively and fixedly arranged on two sides of the connecting bar (10), and an included angle between the connecting bar (10) and the push-pull bars (5) is 60 degrees;
the angle dial (11) is arranged at the end part of the connecting rod (10) far away from the push-pull rod (5), and different angle values are carved on the angle dial (11);
the adjusting rod (12) is arranged between the angle disc (11) and the puncture needle fixing clamp (8), and the adjusting rod (12) can drive the puncture needle fixing clamp (8) to rotate.
4. The puncture assisting device with adjustable depth and angle according to claim 1, wherein the clamping ring (1) is provided with a notch, so that the ultrasonic B probes (2) with different sizes can be clamped into the clamping ring (1).
5. The puncture assisting device with adjustable depth and angle according to any of claims 1-4, characterized in that a vessel tracing pen (13) is detachably arranged outside the clasp (1), and the vessel tracing pen (13) is used for tracing the trend and diameter of the vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321114948.0U CN219814263U (en) | 2023-05-10 | 2023-05-10 | Puncture auxiliary device with adjustable depth and angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321114948.0U CN219814263U (en) | 2023-05-10 | 2023-05-10 | Puncture auxiliary device with adjustable depth and angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219814263U true CN219814263U (en) | 2023-10-13 |
Family
ID=88281755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321114948.0U Active CN219814263U (en) | 2023-05-10 | 2023-05-10 | Puncture auxiliary device with adjustable depth and angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219814263U (en) |
-
2023
- 2023-05-10 CN CN202321114948.0U patent/CN219814263U/en active Active
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