Abdomen positioning card for low-molecular-weight heparin injection

By designing an abdominal positioning card for low molecular weight heparin injection, the problems of injection site selection error and repeated injections were solved, achieving standardized and precise injection, reducing adverse reactions, and improving treatment efficiency.

CN224156121UActive Publication Date: 2026-04-24DEZHOU MUNICIPAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DEZHOU MUNICIPAL HOSPITAL
Filing Date
2024-12-31
Publication Date
2026-04-24

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Abstract

The utility model belongs to the technical field of medical auxiliary instruments, and provides an abdomen positioning card for injection of low molecular weight heparin, which comprises an elliptical sheet-shaped card main body, and the card main body is provided with an umbilical hole positioned at the central position and a marking hole positioned right above the umbilical hole; the card body comprises an injection forbidding area arranged along the short axis of the ellipse and injection areas symmetrically arranged on the two sides of the injection forbidding area, the injection forbidding area is matched with the rectus abdominis area, and a plurality of injection holes distributed at intervals are formed in the injection areas. The abdomen positioning card for low-molecular heparin injection can assist medical staff in judging and identifying injection parts, ensures standardization and accuracy of selection of the injection parts, avoids the phenomena of ecchymosis, bleeding, induration and the like of the skin of a patient caused by nonstandard injection parts, reduces the injection difficulty of the medical staff and improves the injection efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of medical auxiliary device technology, and specifically relates to an abdominal positioning card for low molecular weight heparin injection. Background Technology

[0002] Low molecular weight heparin (LMWH) is a common anticoagulant in clinical practice. It is a general term for a class of heparins with lower molecular weights, prepared by depolymerizing unfractionated heparin. Currently, LMWH is routinely administered subcutaneously, with the abdomen being a common injection site. Due to its ease of administration and high safety, it is widely used to treat diseases such as acute coronary syndrome or venous thrombosis.

[0003] However, current low molecular weight heparin injection procedures generally rely on the experience of medical staff to select injection sites. On the one hand, relying on manual experience to select injection sites is prone to judgment and identification errors, requiring a high level of experience from medical staff, and is highly susceptible to damage to the rectus abdominis muscle during injection, affecting the normal injection treatment and nursing effect. On the other hand, the injection process requires systematic recording of the patient's injection sites. Especially when different medical staff take turns participating in the patient's injection nursing treatment, there is a high risk of repeated injections at the same site or injection points being too close together. This can lead to excessively high drug concentration in the local subcutaneous tissue, insufficient absorption of the drug, and adverse reactions such as skin ecchymosis, bleeding, and induration, seriously affecting the patient's normal treatment and nursing care, and increasing the incidence of local adverse reactions.

[0004] Therefore, it is necessary to design an abdominal positioning card for low molecular weight heparin injection that can effectively solve the above problems and defects. Summary of the Invention

[0005] To address the above-mentioned technical problems, this invention proposes an abdominal positioning card for low molecular weight heparin injection. This card assists medical personnel in judging and identifying injection sites, ensuring the standardization and accuracy of injection site selection, avoiding skin bruising, bleeding, and induration caused by non-standard injection sites, reducing the difficulty of injection for medical personnel, and improving injection efficiency.

[0006] The technical solution of this utility model is:

[0007] This utility model proposes an abdominal positioning card for low molecular weight heparin injection, including an oval-shaped card body, wherein the card body is provided with an umbilical hole located at the center position and a marking hole located directly above the umbilical hole;

[0008] The card body includes a restricted injection area arranged along its elliptical minor axis and injection areas symmetrically arranged on both sides of the restricted injection area. The restricted injection area is adapted to the rectus abdominis muscle region, and the injection area is provided with a number of spaced injection holes.

[0009] Preferably, each of the two injection areas is provided with seven day zones distributed at intervals along the circumference, and each day zone is provided with two injection holes arranged at radial intervals.

[0010] The distance between two injection holes located diagonally within adjacent day zones is greater than 2 cm.

[0011] Preferably, the restricted area is provided with a number of date markers distributed at intervals along the circumference, and the date markers are arranged in a one-to-one correspondence with the day partitions.

[0012] Preferably, the forbidden injection area includes a circular area concentrically arranged with the umbilicus, and an upper sector and a lower sector symmetrically distributed on the upper and lower sides of the circular area.

[0013] Preferably, the lower sector surface is provided with an identification sticker.

[0014] Preferably, the upper sector is provided with a lighting component, which includes a connected light strip and a switch button.

[0015] Preferably, the upper sector has a hook at the top outer edge that is connected to the card body.

[0016] Preferably, both sides of the injection area are provided with an abdominal strap connected to the card body.

[0017] This utility model has the following advantages and effects compared with the prior art:

[0018] (1) The umbilical hole is set at the center of the card body and the marking hole is located directly above the umbilical hole. During the injection, the abdominal position at the marking hole can be marked to avoid the card body from moving or shifting during the injection, thus ensuring the accuracy of the injection site. It can also be used to locate the injection site at different injection times within the treatment cycle, effectively ensuring the standardized operation of the injection site.

[0019] (2) A restricted injection area is set up along the short axis of the card body, and the restricted injection area corresponds to the rectus abdominis muscle area to avoid damage to the rectus abdominis muscle during injection, ensure the safety of the injection treatment and nursing process, and avoid adverse reactions caused by incorrect injection site selection.

[0020] (3) The injection area is set with seven daily zones distributed along the circumference. The seven different daily zones clearly and intuitively distinguish the injection treatment cycle from Monday to Sunday, avoiding repeated injections at the same site or injection sites that are too close together due to human memory errors, reducing adverse reactions such as skin bruising, bleeding, and induration. The injection sites are distributed separately within the injection treatment cycle to ensure full and complete absorption of the drug. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the abdominal positioning card for low molecular weight heparin injection in Embodiment 1 of this utility model;

[0022] Figure 2 This is a schematic diagram of the abdominal positioning card for low molecular weight heparin injection in Embodiment 2 of this utility model;

[0023] Figure 3 This is a schematic diagram of the abdominal positioning card for low molecular weight heparin injection in Embodiment 3 of this utility model.

[0024] Attached reference numerals: 1. Card body; 2. Umbilical opening; 3. Marking hole; 4. Injection prohibited area; 41. Circular area; 42. Upper sector; 43. Lower sector; 5. Injection area; 51. Day zone; 52. Abdominal strap; 6. Injection hole; 7. Identification sticker; 8. Lighting assembly; 81. Illuminated light strip; 82. Switch button; 9. Hanging hook. Detailed Implementation

[0025] To enable those skilled in the art to better understand this utility model, it will now be further described in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are for illustrative and explanatory purposes only and are not intended to limit the scope of this utility model.

[0026] Example 1:

[0027] like Figure 1 As shown, this utility model provides an abdominal positioning card for low molecular weight heparin injection, including an elliptical card body 1. The card body 1 has an umbilical opening 2 located at the center and a marking hole 3 located directly above the umbilical opening 2. During use, the umbilical opening 2 is aligned with the patient's navel, and the minor axis of the ellipse of the card body 1 is aligned with the midline of the longitudinal axis of the patient's body as much as possible. Then, a mark can be made on the patient's abdominal skin through the marking hole 3 (a marking pen can be used) to ensure that the positioning card does not move or shift during the injection. At the same time, at different times in the injection treatment cycle (such as the injection treatment on the next day), the mark at the marking hole 3 can be used in conjunction with the patient's navel for positioning, ensuring that the injection is performed based on the injection site reference of the positioning card throughout the injection treatment cycle.

[0028] The card body 1 includes a restricted injection area 4 arranged along its short axis of an ellipse, and injection areas 5 symmetrically arranged on both sides of the restricted injection area 4. The restricted injection area 4 is adapted to the rectus abdominis muscle region, that is, the width of the restricted injection area 4 is greater than the width of the rectus abdominis muscle region, so as to avoid damage to the rectus abdominis muscle during injection. The left and right injection areas 5 correspond to the morning injection and afternoon (or evening) injection on the same day, respectively, to meet the treatment and nursing needs of some patients who need to be injected twice a day. The injection area 5 is provided with several spaced injection holes 6.

[0029] Specifically, each of the two injection areas 5 has seven daily zones 51 spaced out in a circular direction to correspond to Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday in the injection treatment cycle. It should be noted that the daily zones 51 corresponding to Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday correspond to the actual date and time to avoid errors or confusion in recording by medical staff and to ensure a clear and intuitive injection treatment process.

[0030] Furthermore, each daily zone 51 is provided with two injection holes 6 arranged radially at intervals, and the distance between the two injection holes 6 located diagonally in adjacent daily zones 51 is greater than 2cm. Specifically, in this embodiment, each injection hole 6 is provided with a corresponding hole label. The injection hole A1 on the right corresponds to the injection site of the first treatment cycle (one week is one treatment cycle) of the Monday daily zone 51, the injection hole B1 corresponds to the injection site of the second treatment cycle of the Monday daily zone 51, and so on. The injection hole A7 corresponds to the injection site of the first treatment cycle of the Sunday daily zone 51, and the injection hole B7 corresponds to the injection site of the second treatment cycle of the Sunday daily zone 51. Among them, the injection holes A1 and A2 are two injection holes 6 located diagonally in adjacent daily zones 51, and the distance between them is greater than 2cm, so as to avoid the injection sites being too close to each other during adjacent injection time, thereby reducing the incidence of adverse reactions such as skin bruising, bleeding, and induration.

[0031] In addition, in this embodiment, the injection hole A1' on the left and the injection hole A1 on the right are the injection sites for the same injection time, Monday morning and afternoon (or evening), to meet the treatment and care needs of some patients who need to be injected twice a day.

[0032] The restricted injection area 4 is equipped with several date markers spaced out along the circumference. The date markers correspond one-to-one with the day zone 51. Specifically, the date markers are "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" and "Sunday" corresponding to the day zone 51, so that medical staff can perform injection treatment according to the real-time date and time. This is clear, intuitive and less likely to cause confusion or errors.

[0033] refer to Figure 1 As shown, the restricted injection area 4 includes a circular area 41 arranged concentrically with the umbilicus 2, and an upper sector 42 and a lower sector 43 symmetrically distributed on the upper and lower sides of the circular area 41. The upper sector 42, the lower sector 43, and the circular area 41 correspond to the rectus abdominis muscle area to ensure that the injection site is not selected in the rectus abdominis muscle area and to avoid damage to the rectus abdominis muscle.

[0034] Furthermore, the lower sector 43 surface is provided with an identification sticker 7, which allows medical staff to easily set notes or patient information, serving to remind medical staff and assist in recording, thereby addressing some special situations.

[0035] Example 2:

[0036] In embodiment 2 of this utility model, using Figure 2 The following description will be provided. Furthermore, descriptions of parts that are no different from those in Embodiment 1 will be omitted, and the same reference numerals will be used instead.

[0037] like Figure 2 As shown, the abdominal positioning card for low molecular weight heparin injection involved in this utility model has a light component 8 in the upper sector 42. The light component 8 includes a light strip 81 and a switch button 82 connected to each other, so that medical staff can accurately identify the corresponding injection hole 6 at night for injection. At the same time, it can help medical staff observe whether the mark at the position of the marking hole 3 is aligned with the marking hole 3, so as to ensure accurate positioning and that the positioning card will not move or shift during the injection process.

[0038] It should be noted that the lighting assembly 8 also includes a power supply battery connected to the light strip 81 and the switch button 82. Given that this is a mature existing technology, its structure and principle will not be described in detail here.

[0039] Example 3:

[0040] In embodiment 3 of this utility model, using Figure 3 The following description will be provided. Furthermore, descriptions of parts that are no different from those in Embodiment 1 will be omitted, and the same reference numerals will be used instead.

[0041] like Figure 3 As shown, the present invention relates to an abdominal positioning card for low molecular weight heparin injection, wherein the upper sector 42 has a hook 9 connected to the card body 1 at the top outer edge for easy storage and placement.

[0042] Furthermore, both sides of the injection area 5 are equipped with abdominal straps 52 connected to the card body 1. The abdominal straps 52 can ensure that the card body 1 is stably fixed in the patient's abdomen during the injection process, without the need for manual support by medical staff or patients, and prevent the card body 1 from moving or shifting during the injection process.

[0043] It should be noted that the ends of the abdominal straps 52 of the two injection areas 5 can be detachably connected by any of the following structures: buckle structure, Velcro structure, or tie structure, so that the main body 1 can be stably fixed in the patient's abdominal area.

[0044] In summary, the abdominal positioning card for low molecular weight heparin injection provided by this utility model can assist medical staff in judging and identifying the injection site, ensuring the standardization and accuracy of injection site selection, avoiding skin bruising, bleeding, induration and other phenomena caused by non-standard injection sites, reducing the difficulty of injection for medical staff and improving injection efficiency.

[0045] The above are merely preferred embodiments of the present utility model and do not limit the patent scope of the present utility model. All equivalent changes and modifications made within the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An abdominal positioning card for low molecular weight heparin injection, characterized in that: The card body (1) is elliptical in shape and has an umbilical hole (2) located at the center and a marking hole (3) located directly above the umbilical hole (2). The card body (1) includes a forbidden injection area (4) arranged along its short elliptical axis and injection areas (5) symmetrically arranged on both sides of the forbidden injection area (4). The forbidden injection area (4) is adapted to the rectus abdominis muscle region. The injection area (5) is provided with a number of spaced injection holes (6).

2. The abdominal positioning card for low molecular weight heparin injection according to claim 1, characterized in that: The injection areas (5) on both sides are provided with seven day zones (51) distributed at intervals along the circumference, and each day zone (51) is provided with two injection holes (6) arranged at radial intervals. The distance between the two injection holes (6) located diagonally within the adjacent day partition (51) is greater than 2 cm.

3. The abdominal positioning card for low molecular weight heparin injection according to claim 2, characterized in that: The restricted area (4) is provided with a number of date markers distributed at intervals along the circumference, and the date markers are arranged one-to-one with the day partition (51).

4. The abdominal positioning card for low molecular weight heparin injection according to claim 1, characterized in that: The forbidden injection area (4) includes a circular area (41) arranged concentrically with the umbilicus (2), and an upper sector (42) and a lower sector (43) symmetrically distributed on the upper and lower sides of the circular area (41).

5. The abdominal positioning card for low molecular weight heparin injection according to claim 4, characterized in that: The lower sector (43) surface is provided with an identification sticker (7).

6. The abdominal positioning card for low molecular weight heparin injection according to claim 4, characterized in that: The upper sector (42) is provided with a lighting component (8), which includes a light strip (81) and a switch button (82) connected to each other.

7. The abdominal positioning card for low molecular weight heparin injection according to claim 4, characterized in that: The upper sector (42) has a hook (9) at the top outer edge that is connected to the card body (1).

8. The abdominal positioning card for low molecular weight heparin injection according to claim 1, characterized in that: Both sides of the injection area (5) are provided with an abdominal strap (52) connected to the card body (1).