A device for assisting intramuscular injection

Abstract

The utility model provides a kind of auxiliary device for muscle injection, it is related to medical appliance technical field, to solve the deviation of injection site being prone to by current clinical nurse visual inspection or by experience injection, and patient often because of pain or psychological effect, doubt the compliance of medical staff operation, lead to doctor-patient contradiction problem.The device includes: base ruler;Positioning plate, with base ruler movable connection;Positioning ruler, set scale, positioning ruler with base ruler movable connection, positioning ruler and positioning plate are located on the upper and lower sides of base ruler respectively, positioning ruler is provided with through slot along its length direction;Press table, including the positioning end head, connecting shaft, stop block and pressure cap sequentially arranged from bottom to top, wherein, positioning end head and pressure cap are located on the upper and lower sides of through slot respectively, connecting shaft is arranged in through slot, and can slide along through slot, stop block adopts rectangular structure, and the width of stop block is same with the diameter of connecting shaft.The utility model is used to improve the accuracy of injection, avoid doctor-patient contradiction.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an auxiliary device for intramuscular injection. Background Technology

[0002] Intramuscular injection is the injection of medication into muscle tissue using a syringe. It is typically used when intravenous injection is not suitable or possible, when rapid therapeutic effects are required, when the drug is highly irritating, or when a large dosage is needed. Intramuscular injection is then administered to achieve the therapeutic purpose.

[0003] The most common injection site for intramuscular injections is the gluteus maximus. This is followed by the gluteus medius, gluteus minimus, vastus lateralis, and deltoid. Precise localization of the injection site is crucial for successful intramuscular injections.

[0004] Currently, the specific injection site for the gluteus maximus is determined mainly using the following two methods:

[0005] Cross method: Draw a horizontal line from the top of the gluteal cleft to the left or right, and then draw a vertical line downward from the highest point of the iliac crest to divide the buttocks into four areas. Take the upper outer part and avoid the lower inner corner for injection.

[0006] Line connection method: The injection site is located at the upper outer third of the line connecting the anterior superior iliac spine and the coccyx.

[0007] Precise intramuscular injection is crucial for disease treatment and patient health. Incorrect injection sites can damage blood vessels and nerves, causing local hematoma and sciatica, poor local absorption, and adverse reactions. This not only hinders disease treatment but also increases patient suffering.

[0008] To overcome the shortcomings of visual positioning, auxiliary measurement tools have emerged in existing technologies. For example, Chinese utility model patent CN216222546U discloses an auxiliary positioning ruler for intramuscular injection in the buttocks, which includes a vertical plate, a protractor, and a telescopic ruler. By placing the positioning hole at the coccyx, keeping the vertical plate vertical, and moving the telescopic ruler to position its tip at the anterior superior iliac spine, the injection point is located at the outer third according to the scale of the telescopic ruler. Although this positioning ruler can assist in measuring the length and angle of the line, the final operation still relies on the nurse to visually determine the outer third based on the scale, without leaving any physical mark on the patient's skin. In practice, problems such as visual estimation errors and positioning deviations caused by changes in patient position still exist. In addition, because patients lack medical knowledge, they often question the accuracy of the injection site due to pain or psychological factors, which can easily lead to doctor-patient conflicts.

[0009] Therefore, there is an urgent need for an intramuscular injection aid that can both assist in measurement and accurately and intuitively mark the injection site on the skin, so as to fundamentally eliminate the deviation of visual positioning, allow patients to clearly know the injection location, enhance mutual trust between doctors and patients, and avoid unnecessary disputes. Utility Model Content

[0010] The purpose of this invention is to provide an auxiliary device for intramuscular injection, addressing the technical problems in existing technologies where both the cross-shaped and line-connecting methods require clinical nurses to operate visually or based on experience. This leads to several issues: firstly, injection site deviation is easily caused; secondly, patients, lacking medical knowledge, often question the compliance of medical staff's procedures due to pain or psychological factors, potentially causing doctor-patient conflicts. The preferred technical solutions provided by this invention offer numerous technical benefits, detailed below.

[0011] To achieve the above objectives, the present invention provides the following technical solution:

[0012] This utility model provides an auxiliary device for intramuscular injection, comprising:

[0013] Base ruler;

[0014] The positioning plate is movably connected to the base ruler;

[0015] A positioning ruler with a scale is provided. The positioning ruler is movably connected to the base ruler. The positioning ruler and the positioning plate are located on the upper and lower sides of the base ruler, respectively. A through groove is provided on the positioning ruler along its length.

[0016] The pressure table includes a positioning end, a connecting shaft, a stop block, and a pressure cap arranged sequentially from bottom to top. The positioning end and the pressure cap are located on the upper and lower sides of the through groove, respectively. The connecting shaft is disposed in the through groove and can slide along the through groove. The stop block has a rectangular structure and the width of the stop block is the same as the diameter of the connecting shaft.

[0017] Preferably, the surface of the positioning end is provided with a dyed area or a raised structure.

[0018] Preferably, the cross-section of the positioning end is circular.

[0019] Preferably, the height of the stop is at least 1.5 times the length of the connecting shaft.

[0020] Preferably, the pressure cap adopts a columnar structure, the cross-sectional diameter of the pressure cap is greater than the length of the stop block, the diameter of the pressure cap is not less than 3cm, and the side of the pressure cap is provided with an anti-slip structure.

[0021] Preferably, the base ruler is a protractor with a groove along its circumference, and the positioning ruler has a protrusion that mates with the groove, so that the positioning ruler can slide along the trajectory of the groove.

[0022] Preferably, the positioning ruler adopts a telescopic structure, including a first section, a second section and a third section that are sequentially connected. The first section is movably connected to the base ruler, and the ends of the second section and the third section are provided with handles.

[0023] Preferably, the positioning plate adopts a telescopic structure, including an inner sleeve plate and an outer sleeve plate, the outer sleeve plate being movably connected to the base ruler, and the inner sleeve plate being able to extend along the end of the outer sleeve plate.

[0024] Preferably, the length of the outer panel is not greater than the length of the first segment.

[0025] Preferably, a stop structure is provided on the base ruler, the stop structure being used to stop the positioning plate when the positioning plate is perpendicular to the base ruler.

[0026] This utility model provides an auxiliary device for intramuscular injection, including a base ruler, a positioning plate, a positioning ruler, and a pressure platform. The positioning plate and positioning ruler are movably connected to the base ruler and located on its upper and lower sides, respectively. In use, the movable connecting shaft of the base ruler is positioned at the patient's coccyx. The positioning plate is rotated to be perpendicular to the base ruler, and the positioning ruler is rotated to position its end at the anterior superior iliac spine. The pressure platform is adjusted to one-third of the way from the outer edge of the positioning ruler, and then the intramuscular injection site is positioned using the pressure platform. The pressure platform includes a positioning end, a connecting shaft, a stop block, and a pressure cap, arranged sequentially from bottom to top. The positioning end and pressure cap are located on the upper and lower sides of a through groove, respectively. The connecting shaft is positioned within the through groove and can slide along a predetermined trajectory. The stop block has a rectangular structure, with its width matching the diameter of the connecting shaft. Rotating the pressure cap rotates the stop block until it is parallel to the through groove, allowing the connecting shaft and stop block to move downwards through the through groove, i.e., the positioning end moves downwards. When the positioning end moves downwards and falls into the patient's skin, the area where the positioning end contacts the patient is the injection site. The positioning tip can provide prompts to patients and medical staff, thereby improving injection accuracy and avoiding doctor-patient conflicts. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of an embodiment of the auxiliary device for intramuscular injection according to the present invention;

[0029] Figure 2 This is a schematic diagram of the pressure table in the auxiliary device for intramuscular injection of this utility model;

[0030] Figure 3 yes Figure 2 A top-view structural diagram;

[0031] Figure 4 This is a schematic diagram of the structure of the auxiliary device for intramuscular injection of this utility model during use;

[0032] Figure 5 This is a schematic diagram of the structure of the pressure table after rotation in the auxiliary device for intramuscular injection of this utility model.

[0033] Figure 6 This is a schematic diagram of the positioning of the pressure table in the auxiliary device for intramuscular injection of this utility model.

[0034] Figure 7 This is a schematic diagram of the structure of the auxiliary device for intramuscular injection of this utility model after it has been stored.

[0035] In the diagram: 1. Base scale; 10. Movable connecting shaft; 11. Groove; 12. Stop structure;

[0036] 2. Positioning plate; 21. Inner sleeve plate; 22. Outer sleeve plate;

[0037] 3. Positioning ruler; 30. Through groove; 31. First section; 32. Second section; 33. Third section; 34. Handle;

[0038] 4. Pressing table; 41. Positioning end; 42. Connecting shaft; 43. Stop block; 44. Pressing cap. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] In the description of this utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0041] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Figure 1 This is a structural schematic diagram of this embodiment, as shown below. Figure 1 As shown, this embodiment provides an auxiliary device for intramuscular injection, including a base ruler 1, a positioning plate 2, a positioning ruler 3, and a pressure table 4.

[0043] The positioning plate 2 is movably connected to the base ruler 1. The positioning ruler 3 is set with a scale and is movably connected to the base ruler 1. The positioning ruler 3 and the positioning plate 2 are located on the upper and lower sides of the base ruler 1, respectively. A through groove 30 is provided on the positioning ruler 3 along its length direction.

[0044] Specifically, in this embodiment, a movable connecting shaft 10 is provided on the base ruler 1, and the positioning plate 2 and the positioning ruler 3 are respectively sleeved on the movable connecting shaft 10. With this arrangement, the positioning plate 2 or the positioning ruler 3 can be rotated around the base ruler 1 at a certain angle as needed.

[0045] Figure 2 This is a schematic diagram of the pressure table in this embodiment. Figure 3 yes Figure 2 A top-view structural diagram, such as Figure 2 and Figure 3 As shown, the pressure table 4 includes a positioning end 41, a connecting shaft 42, a stop block 43, and a pressure cap 44 arranged sequentially from bottom to top. The positioning end 41 and the pressure cap 44 are located on the upper and lower sides of the through groove 30, respectively. The connecting shaft 42 is disposed within the through groove 30 and can slide along a predetermined trajectory. In this embodiment, the stop block 43 has a rectangular structure, and the width of the stop block 43 is the same as the diameter of the connecting shaft 42.

[0046] Figure 4 This is a schematic diagram of the structure used in this embodiment, as shown below. Figure 4 As shown, when using it, position the movable connecting shaft 10 of the base ruler 1 at the patient's coccyx, rotate the positioning plate 2 to be perpendicular to the base ruler 1, rotate the positioning ruler 3 to place its end at the anterior superior iliac spine, adjust the pressure table 4 to the outer third of the positioning ruler 3, and then position the intramuscular injection site through the pressure table 4.

[0047] Specifically, Figure 5 This is a schematic diagram of the structure of the pressure table after rotation in this embodiment, as shown below. Figure 5 As shown, pressure table 4 along Figure 2After rotating in the direction of the arrow, in this embodiment, by setting the width of the stop 43 to be the same as the diameter of the connecting shaft 42, the stop 43 can be rotated to be parallel to the through groove 30 by rotating the pressure cap 44. Figure 6 This is a structural diagram of the pressure table during positioning in this embodiment, as shown below. Figure 6 As shown, pressure table 4 along Figure 5 After the arrow in the diagram moves downwards, the connecting shaft 42 and the stop block 43 can move downwards through the through groove 30, that is, the positioning end 41 moves downwards. When the positioning end 41 moves downwards until it falls into the patient's skin, the part of the positioning end 41 that contacts the patient is the injection site. The positioning end 41 can provide guidance to the patient and medical staff, thereby improving the accuracy of injections and avoiding doctor-patient conflicts.

[0048] like Figure 4 As shown, when no injection site positioning operation is required, rotating the pressure cap 44 causes the stop block 43 to rotate to be perpendicular to the through groove 30, so that the positioning end 41 is kept below the through groove 30. Since the base ruler 1 and the positioning plate 2 both have a certain thickness, they can avoid contact with the patient.

[0049] like Figure 7 As shown, when this intramuscular injection auxiliary device is not in use, the positioning plate 2 and the positioning ruler 3 can be rotated to the same direction to reduce storage space and make it easy to carry. When the positioning plate 2 and the positioning ruler 3 are rotated to the same direction, the positioning end 41 is located between the positioning plate 2 and the positioning ruler 3.

[0050] As an optional implementation, the surface of the positioning end 41 in this embodiment is provided with a dyed area or a raised structure. By dyeing or leaving an indentation through the raised structure, the injection area can be effectively indicated to medical staff and patients, helping patients understand the safe injection area and promoting mutual understanding and communication between doctors and patients.

[0051] In addition, this intramuscular injection aid can be used as a teaching tool to help medical staff quickly master skilled and accurate injection techniques.

[0052] Optionally, in this embodiment, the positioning tip 41 has a circular cross-section. This avoids the problem of the positioning tip 41 having a sharp point that could cause harm to the patient.

[0053] Of course, in actual production and use, the positioning end 41 can also be set to a square, rectangular or other cross-section, as long as the injection range is accurate.

[0054] As an optional implementation, the height of the stop 43 is at least 1.5 times the length of the connecting shaft 42. Setting the height of the stop 43 higher ensures that after the stop 43 rotates 90 degrees, it moves downward and the positioning end 41 has enough space to descend to contact the patient's injection site.

[0055] In this embodiment, the height of the stop 43 is set to be at least twice the length of the connecting shaft 42.

[0056] As an optional implementation, the pressure cap 44 adopts a columnar structure. In this embodiment, it is specifically a flat columnar structure, and the cross-sectional diameter of the pressure cap 44 is greater than the length of the stop block 43.

[0057] In this embodiment, the diameter of the pressure cap 44 is not less than 3cm to facilitate the operator's grip and rotation. Furthermore, the side of the pressure cap 44 is provided with an anti-slip structure, which can contact the operator's hand to increase friction and prevent slippage.

[0058] As an optional implementation, the base ruler 1 is a protractor, with a movable connecting shaft 10 at the center of the protractor. A groove 11 is provided along the circumference of the protractor, and a protrusion that mates with the groove 11 is provided on the positioning ruler 3. This allows the positioning ruler to slide along the trajectory of the groove 11, thereby ensuring better stability and positioning accuracy of the muscle injection auxiliary device during use.

[0059] As an optional implementation, the positioning ruler 3 adopts a telescopic structure, including a first segment 31, a second segment 32 and a third segment 33 that are sequentially fitted and connected.

[0060] Specifically, the first segment 31 is movably connected to the base ruler 1.

[0061] Handles 34 are provided at the ends of the second section 32 and the third section 33 to stop the second section 32 and the third section 33. When the positioning ruler 3 needs to be extended, the handle 34 can be pulled directly for easy operation.

[0062] Optionally, in this embodiment, the second segment 32 is nested within the first segment 31, and the third segment 33 is nested within the second segment 32. The length of the first segment 31 is twice the length of the second segment 32, and the length of the third segment 33 is the same as the length of the second segment 32.

[0063] With this setup, when using the device, for general patients, place the handle of the second segment 32 at the anterior superior iliac spine, then adjust the pressure plate 4 to the outer third of the positioning ruler 3, and then use the pressure plate 4 to position the intramuscular injection site.

[0064] For patients who are particularly obese, pull out the second segment 32 to its maximum range, then pull out the third segment. Place the handle of the third segment 33 at the anterior superior iliac spine, then adjust the pressure table 4 to the outer third of the positioning ruler 3, and then use the pressure table 4 to locate the intramuscular injection site.

[0065] As an optional implementation, the positioning plate 2 adopts a telescopic structure, including an inner sleeve plate 21 and an outer sleeve plate 22. The outer sleeve plate 22 is connected to the movable connecting shaft 10 of the base ruler 1, and the inner sleeve plate 21 can extend along the end of the outer sleeve plate 22.

[0066] Furthermore, in this embodiment, the length of the outer cover 22 is not greater than the length of the first segment 31, so as to facilitate storage.

[0067] As an optional implementation, a stop structure 12 is provided on the base ruler 1. In this embodiment, the stop structure 12 is a rectangular protrusion. The stop structure 12 is used to stop the positioning plate 2 when it is perpendicular to the base ruler 1, so as to ensure vertical positioning.

[0068] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An auxiliary device for intramuscular injection, characterized in that, include: Base ruler; A positioning plate is movably connected to the base ruler, and the positioning plate adopts a telescopic structure. A positioning ruler with a scale is provided. The positioning ruler is movably connected to the base ruler. The positioning ruler and the positioning plate are located on the upper and lower sides of the base ruler, respectively. A through groove is provided on the positioning ruler along its length. The pressing platform includes a positioning end, a connecting shaft, a stop block, and a pressing cap arranged sequentially from bottom to top. The positioning end and the pressing cap are located on the upper and lower sides of the through groove, respectively. The connecting shaft is disposed in the through groove and can slide along the through groove. The stop block has a rectangular structure, and the width of the stop block is the same as the diameter of the connecting shaft. The surface of the positioning end is provided with a dyed area or a raised structure. The height of the stop block is at least 1.5 times the length of the connecting shaft.

2. The auxiliary device for intramuscular injection according to claim 1, characterized in that: The cross-section of the positioning end is circular.

3. The intramuscular injection auxiliary device according to claim 1, characterized in that: The pressure cap adopts a columnar structure, the cross-sectional diameter of the pressure cap is greater than the length of the stop block, the diameter of the pressure cap is not less than 3cm, and the side of the pressure cap is provided with an anti-slip structure.

4. The intramuscular injection auxiliary device according to any one of claims 1-3, characterized in that: The base ruler is a protractor with a groove along its circumference. The positioning ruler has a protrusion that mates with the groove, allowing the positioning ruler to slide along the groove's trajectory.

5. The intramuscular injection auxiliary device according to any one of claims 1-3, characterized in that: The positioning ruler adopts a telescopic structure, including a first section, a second section, and a third section that are sequentially connected. The first section is movably connected to the base ruler, and the ends of the second section and the third section are provided with handles.

6. The intramuscular injection auxiliary device according to claim 5, characterized in that: The positioning plate adopts a telescopic structure, including an inner sleeve plate and an outer sleeve plate. The outer sleeve plate is movably connected to the base ruler, and the inner sleeve plate can extend along the end of the outer sleeve plate.

7. The intramuscular injection auxiliary device according to claim 6, characterized in that: The length of the outer panel is not greater than the length of the first segment.

8. The intramuscular injection auxiliary device according to claim 6, characterized in that: A stop structure is provided on the base ruler, which is used to stop the positioning plate when the positioning plate is perpendicular to the base ruler.

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