CN215128747U - Needle insertion angle adjusting device for puncture radial artery - Google Patents
Needle insertion angle adjusting device for puncture radial artery Download PDFInfo
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- CN215128747U CN215128747U CN202121469755.8U CN202121469755U CN215128747U CN 215128747 U CN215128747 U CN 215128747U CN 202121469755 U CN202121469755 U CN 202121469755U CN 215128747 U CN215128747 U CN 215128747U
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- protractor
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Abstract
The utility model discloses a needle insertion angle adjusting device that puncture radial artery was used, including solid fixed ring, connecting rod and adjusting part, gu fixed ring is used for fixed cover in patient's wrist department, the articulated connection of one end of connecting rod is on solid fixed ring, adjusting part is including adjusting the half pipe, protractor and pivot, solid fixed ring's tip is kept away from at the connecting rod to the rotatable setting in middle part of pivot, the bottom middle part of protractor is run through to the one end of pivot, and the relative pivot of protractor can rotate, the mid point of protractor bottom side is on the axis of pivot, spliced pole and connecting rod fixed connection are passed through on the top of protractor, the other end of pivot and the outside fixed connection who adjusts the half pipe, and the axis of pivot is mutually perpendicular with the axis of adjusting the half pipe. This needle insertion angle adjusting device makes the required contained angle of crossing of regulation semicanal and protractor bottom side through rotating the pivot to make the empty needle carry out radial artery's puncture along adjusting the semicanal, avoid leading to the appearance of medical error because of the inaccurate emergence of needle insertion angle.
Description
Technical Field
The utility model relates to a medical treatment appurtenance technical field, concretely relates to needle insertion angle adjusting device that puncture radial artery was used.
Background
Radial artery puncture is commonly used for coronary heart disease interventional therapy, invasive blood pressure monitoring in anesthesia department and puncture blood sampling during arterial blood gas analysis. Compared with femoral artery puncture, radial artery puncture has the advantages of shallow position surface, easy touch, no vein adjacent to the puncture surface, high puncture success rate, easy acceptance by patients, wider clinical application and the like.
In clinical practice, in order to treat a patient, a medical worker usually punctures the radial artery with a needle, extracts a blood sample, and detects the blood sample so as to grasp the physical condition of the patient at any time. However, when the medical staff uses the empty needle to draw the blood sample, the angle of the needle insertion is often held when the radial artery is not punctured, so that the needle insertion angle is not accurate, and the injury is caused to the patient. Moreover, medical staff repeatedly puncture and draw blood for a long time, so that body and mind are in double fatigue, the angle of puncture needle insertion is easy to make mistakes, and medical errors are caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a needle insertion angle adjusting device that puncture radial artery was used solves the angle that medical personnel held the not good needle insertion when puncturing to the radial artery and leads to the needle insertion angle inaccurate, leads to the problem of injury to the patient.
For realizing the technical effect, the utility model discloses the technical scheme who adopts is:
a needle insertion angle adjusting device for puncturing a radial artery, comprising:
the fixing ring is used for fixedly sleeving the wrist of the patient;
one end of the connecting rod is hinged to the fixing ring;
the adjusting part, the adjusting part is connected with the one end rotation that solid fixed ring was kept away from to the connecting rod, the adjusting part is including adjusting half pipe, protractor and pivot, solid fixed ring's tip is kept away from at the connecting rod to the rotatable setting in middle part of pivot, the bottom middle part of protractor is run through to the one end of pivot, and the relative pivot of protractor can rotate, spliced pole and connecting rod fixed connection are passed through on the top of protractor, the other end of pivot and the outside fixed connection who adjusts the half pipe, and the axis of pivot is mutually perpendicular with the axis of adjusting the half pipe, the tip of pivot rotates, the axis that can make to adjust the half pipe is certain contained angle with the zero angle scale mark of protractor.
Above-mentioned needle insertion angle adjusting device that puncture radial artery was used wears solid fixed ring in wrist department, and the height of half pipe is adjusted in the adjustment, and the empty needle is placed on adjusting the half pipe, rotates the pivot, makes and adjusts the half pipe and the crossing required contained angle of protractor bottom side to make the empty needle carry out radial artery's puncture along adjusting the half pipe, avoid leading to medical error's appearance because of the inaccurate needle insertion angle.
Furthermore, the adjusting assembly further comprises a pointing needle, one end of the pointing needle is fixed on the side face of one end, away from the adjusting half pipe, of the rotating shaft, the other end of the pointing needle points to the angle scale mark of the protractor, and the pointing needle is parallel to the axis of the adjusting half pipe. By rotating the rotating shaft, the pointing needle synchronously rotates, so that medical personnel can accurately and quickly rotate to a required needle inserting angle.
Furthermore, the adjusting assembly further comprises an orientation rod, the orientation rod is of a telescopic structure, one end of the orientation rod is fixedly connected with one side, close to the fixing ring, of the protractor, the other end of the orientation rod is abutted to the side face of the fixing ring, the orientation rod is parallel to the bottom side edge of the protractor, and the end face, far away from the protractor, of the orientation rod is parallel to the side face of the fixing ring. The arrangement of the orientation rod ensures that the bottom side of the protractor is parallel to the arm, and the accuracy of the needle inserting angle is enhanced.
Furthermore, the fixing ring comprises a first half ring, a second half ring and a locking screw, one side edge of the first half ring is hinged to one side edge of the second half ring, a first locking block is arranged on one side, away from the hinged side edge, of the first half ring, a through threaded hole is formed in the first locking block, a second locking block is arranged on one side, away from the hinged side edge, of the second half ring, a through locking hole is formed in the second locking block, the locking hole and the threaded hole are coaxially arranged, and the locking screw penetrates through the locking hole and is inserted into the threaded hole in a threaded manner.
Further, the connecting rod includes first pole, second pole and go-between, and the one end of first pole is connected with solid fixed ring's top is articulated, and the spread groove has been seted up along length direction to the other end of first pole, and the one end of second pole is inserted in the spread groove and is connected with first pole is articulated through the connecting axle, and the one end that first pole was kept away from to the second pole is connected with the lateral surface fixed connection of go-between, and the rotatable cover of pivot is established in the go-between.
The utility model has the advantages that: the needle insertion angle adjusting device for puncturing the radial artery is worn on the wrist through the fixing ring, so that the adjusting device is fixed on the wrist and provides a supporting effect for the needle insertion of medical staff; the fixing ring and the adjusting assembly are connected by the connecting rod, so that the height of the adjusting assembly can be conveniently lifted; place the empty needle on adjusting the half pipe, rotate the pivot, make the directional required angle of directional needle to carry out radial artery's puncture, avoid leading to medical error's appearance because of the inaccurate emergence of inserting needle angle, avoid causing the injury to the patient.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure in the direction A in FIG. 1;
fig. 3 is a side view of the fixing ring of the present invention;
fig. 4 is a top view of the connecting rod of the present invention;
reference numerals:
10-a fixed ring, 11-a first half ring, 12-a second half ring, 13-a locking screw, 14-a first locking block, 15-a second locking block, 16-a locking hole, 20-a connecting rod, 21-a first rod, 22-a second rod, 23-a connecting ring, 24-a connecting groove, 25-a connecting shaft, 30-an adjusting component, 31-an adjusting half tube, 32-a protractor, 33-a rotating shaft, 34-a pointing needle, 35-an orienting rod and 36-a connecting column.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate and imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, the present invention provides a needle insertion angle adjusting device for puncturing radial artery, which includes a fixing ring 10, a connecting rod 20 and an adjusting component 30, wherein the fixing ring 10 is used for fixing the sleeve on the wrist of a patient, one end of the connecting rod 20 is hinged to the fixing ring 10, and the adjusting component 30 and one end of the connecting rod 20 far away from the fixing ring 10 are connected in a rotating manner. The adjusting device is worn on the wrist through the fixing ring 10, so that the adjusting device is fixed on the wrist and provides a supporting function for the needle insertion of medical staff; the connecting rod 20 connects the fixing ring 10 and the adjusting component 30, so that the height of the adjusting component 30 can be conveniently lifted; place the empty needle on adjusting part 30, adjust the needle inserting angle of empty needle through adjusting part 30 to carry out radial artery's puncture, avoid leading to the appearance of medical error because of the needle inserting angle is inaccurate.
Referring to fig. 2, specifically, the adjusting assembly 30 includes an adjusting half-tube 31, a protractor 32, a rotating shaft 33 and a pointing needle 34, wherein the middle of the rotating shaft 33 is rotatably disposed at an end of the connecting rod 20 away from the fixing ring 10, one end of the rotating shaft 33 penetrates through the middle of the bottom end of the protractor 32, the protractor 32 is rotatable relative to the rotating shaft 33, a straight line perpendicular to the side surface of the protractor 32 and penetrating through the midpoint of the side edge of the bottom end of the protractor 32 is parallel to the axis of the rotating shaft 33, the top end of the protractor 32 is fixedly connected to the connecting rod 20 through a connecting column 36, the other end of the rotating shaft 33 is fixedly connected to the outer side of the adjusting half-tube 31, the axis of the rotating shaft 33 is perpendicular to the axis of the adjusting half-tube 31, and the end of the rotating shaft 33 is capable of making the axis of the adjusting half-tube 31 and the zero-angle scale line of the protractor 32 form a certain included angle; one end of the pointing needle 34 is fixed on the side of the rotating shaft 33 far away from one end of the adjusting half pipe 31, the other end points to the angle scale line of the protractor 32, and the pointing needle 34 is parallel to the axis of the adjusting half pipe 31.
When the medical staff needs to adjust the angle of the half tube 31, the bottom side of the protractor 32 is in a horizontal state, the rotating shaft 33 is rotated, the adjusting half tube 31 is rotated around the axis of the rotating shaft 33, so that the adjusting half tube 31 intersects with the bottom side of the protractor 32 to form a certain included angle, and the pointing needle 34 synchronously rotates along with the rotation of the rotating shaft 33, so that the end part of the pointing needle 34 far from the rotating shaft 33 points to the angle scale on the protractor 32, and the angle scale pointed by the pointing needle 34 at the moment is the angle of the intersection angle of the adjusting half tube 31 and the bottom side of the protractor 32, namely the needle insertion angle of the hollow needle for puncturing the radial artery.
Preferably, the adjusting assembly 30 further includes an orientation rod 35, the orientation rod 35 is in a telescopic structure, the side surface of the fixing ring 10 is a plane, one end of the orientation rod 35 is fixedly connected to the bottom of the protractor 32 near the fixing ring 10, the other end of the orientation rod 35 abuts against the side surface of the fixing ring 10, the orientation rod 35 is parallel to the bottom side edge of the protractor 32, and the end surface of the orientation rod 35 far from the protractor 32 is parallel to the side surface of the fixing ring 10. In order to ensure the accuracy of the needle insertion angle, the fixing ring 10 is worn on the wrist of the patient, the side surface of the fixing ring 10 is perpendicular to the arm, after the height of the half tube 31 is adjusted, the end surface of the orientation rod 35, which is far away from the protractor 32, abuts against the side surface of the fixing ring 10, so that the bottom side edge of the protractor 32 is perpendicular to the side surface of the fixing ring 10, the bottom side edge of the protractor 32 is parallel to the arm, and the accuracy of the needle insertion angle is ensured.
As shown in fig. 3, in this embodiment, the fixing ring 10 includes a first half ring 11, a second half ring 12 and a locking screw 13, a side of the first half ring 11 is hinged to a side of the second half ring 12, a first locking block 14 is disposed on a side of the first half ring 11 away from the hinged side, a through threaded hole is formed in the first locking block 14, a second locking block 15 is disposed on a side of the second half ring 12 away from the hinged side, a through locking hole 16 is formed in the second locking block 15, the locking hole 16 and the threaded hole are coaxially disposed, and the locking screw 13 is inserted into the threaded hole through the locking hole 16. The wrist is placed between the first half ring 11 and the second half ring 12, the locking screw 13 is tightened, the first locking block 14 and the second locking block 15 move towards each other, and the first half ring 11 and the second half ring 12 are clamped and fixed at the wrist; when the arm needs to be pulled out from the fixing ring 10, the locking screw 13 is unscrewed, and the distance between the first locking block 14 and the second locking block 15 is increased.
As shown in fig. 4, in the present embodiment, the connection rod 20 includes a first rod 21, a second rod 22 and a connection ring 23, one end of the first rod 21 is hinged to the top end of the fixing ring 10, the other end of the first rod 21 is provided with a connection groove 24 along the length direction, both opposite sides of the connection groove 24 extend to the outer side of the first rod 21, one end of the second rod 22 is inserted into the connection groove 24 and is hinged to the first rod 21 through a connection shaft 25, one end of the second rod 22 away from the first rod 21 is fixedly connected to the outer side surface of the connection ring 23, and the rotation shaft 33 is rotatably sleeved in the connection ring 23. Wherein, the top end of the protractor 32 is fixedly connected with the side surface of the connecting ring 23 through the connecting column 36, so that the connecting ring 23 and the protractor 32 are kept relatively still.
When the height of the adjusting half pipe 31 needs to be adjusted, the first rod 21 is vertically swung to enable the adjusting half pipe 31 to ascend or descend, and when the distance between the adjusting half pipe 31 and a puncture point needs to be adjusted, the second rod 22 is rotated, and meanwhile, the end part of the orientation rod 35 is abutted against the side surface of the fixing ring 10; at this time, the extension or contraction of the orientation lever 35 can ensure that the end of the orientation lever 35 abuts against the side surface of the fixed ring 10.
The utility model discloses a theory of operation: when in use, the fixing ring 10 is fixed on the wrist, then the empty needle is placed in the adjusting half-tube 31, and the height of the adjusting half-tube 31 and the distance between the adjusting half-tube 31 and the puncture point are adjusted by rotating the first rod 21 and the second rod 22; then rotating the rotating shaft 33 and observing the pointing needle 34 at the same time, so that the pointing needle 34 points to the angle scale required on the protractor 32, and finally the medical staff inserts the needle to the radial artery puncture along the axial direction of the adjusting half tube 31 at the moment.
The utility model has the advantages that: the needle insertion angle adjusting device for puncturing the radial artery is worn on the wrist through the fixing ring 10, so that the adjusting device is fixed on the wrist and provides a supporting effect for the needle insertion of medical staff; the connecting rod 20 connects the fixing ring 10 and the adjusting component 30, so that the height of the adjusting component 30 can be conveniently lifted; place the empty needle on adjusting half pipe 31, rotate pivot 33, make directional needle 34 directional required angle to carry out radial artery's puncture, avoid leading to medical error's appearance because of the angle of inserting the needle is inaccurate, avoid causing the injury to the patient.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. A needle insertion angle adjusting device for puncturing a radial artery, comprising:
the fixing ring is used for fixedly sleeving the wrist of the patient;
one end of the connecting rod is hinged to the fixing ring; and
the adjusting part, the adjusting part is kept away from solid fixed ring's one end with the connecting rod and is rotated and be connected, the adjusting part is including adjusting half pipe, protractor and pivot, solid fixed ring's tip is kept away from at the connecting rod to the rotatable setting in middle part of pivot, the bottom middle part of protractor is run through to the one end of pivot, and the relative pivot of protractor can rotate, spliced pole and connecting rod fixed connection are passed through on the top of protractor, the other end of pivot and the outside fixed connection who adjusts the half pipe, and the axis of pivot is mutually perpendicular with the axis of adjusting the half pipe, rotates the tip of pivot can make the axis of adjusting the half pipe be certain contained angle with the zero angle scale mark of protractor.
2. The needle insertion angle adjusting device for puncturing the radial artery as claimed in claim 1, wherein: the adjusting assembly further comprises a pointing needle, one end of the pointing needle is fixed on the side face of one end, far away from the adjusting half pipe, of the rotating shaft, the other end of the pointing needle points to the angle scale mark of the protractor, and the pointing needle is parallel to the axis of the adjusting half pipe.
3. The needle insertion angle adjusting device for puncturing the radial artery as claimed in claim 2, wherein: the adjusting component further comprises an orientation rod, the orientation rod is of a telescopic structure, one end of the orientation rod is fixedly connected with one side, close to the fixing ring, of the protractor, the other end of the orientation rod is abutted to the side face of the fixing ring, the orientation rod is parallel to the bottom side edge of the protractor, and the end face, far away from the protractor, of the orientation rod is parallel to the side face of the fixing ring.
4. The needle insertion angle adjusting device for puncturing the radial artery as claimed in claim 1, wherein: the fixing ring comprises a first half ring, a second half ring and a locking screw, the first half ring is hinged to one side edge of the second half ring, a first locking block is arranged on one side, away from the hinged side edge, of the first half ring, a through threaded hole is formed in the first locking block, a second locking block is arranged on one side, away from the hinged side edge, of the second half ring, a through locking hole is formed in the second locking block, the locking hole and the threaded hole are arranged coaxially, and the locking screw penetrates through a locking hole thread and is inserted into the threaded hole.
5. The needle insertion angle adjusting device for puncturing the radial artery as claimed in claim 1, wherein: the connecting rod includes first pole, second pole and go-between, the one end of first pole is connected with solid fixed ring's top is articulated, the spread groove has been seted up along length direction to the other end of first pole, the one end of second pole is inserted in the spread groove and is connected through the connecting axle is articulated with first pole, the one end that first pole was kept away from to the second pole and the lateral surface fixed connection of go-between, the rotatable cover of pivot is established in the go-between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121469755.8U CN215128747U (en) | 2021-06-30 | 2021-06-30 | Needle insertion angle adjusting device for puncture radial artery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121469755.8U CN215128747U (en) | 2021-06-30 | 2021-06-30 | Needle insertion angle adjusting device for puncture radial artery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215128747U true CN215128747U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121469755.8U Active CN215128747U (en) | 2021-06-30 | 2021-06-30 | Needle insertion angle adjusting device for puncture radial artery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215128747U (en) |
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2021
- 2021-06-30 CN CN202121469755.8U patent/CN215128747U/en active Active
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