A protective device for blood collection needles in general nursing care

Abstract

This utility model discloses a protective device for blood collection needles in general nursing care, relating to the field of medical device technology. It includes a blood collection tubing and a needle holder fixedly mounted on the tubing. A gripping mechanism is fixedly provided on the needle holder for medical personnel to hold and secure the device. A blood collection mechanism is located at the end of the needle holder away from the tubing for blood collection. The needle holder also has a protective mechanism to protect the blood collection mechanism. By providing this protective mechanism, the device can firmly enclose the blood collection needle. After blood collection, the protective mechanism can be moved to ensure the used needle is protected, preventing accidental punctures and infections during medical procedures, and also avoiding secondary injuries to those handling medical waste.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a protective device for blood collection needles used in general nursing care. Background Technology

[0002] Blood collection needles are basic medical devices used for intravenous blood collection and sample collection in general nursing. They are widely used in general medical settings such as outpatient clinics, wards, and emergency rooms. Their safety is directly related to the occupational health of medical staff and the safety of patients.

[0003] However, traditional blood collection needles generally lack reliable protective devices, leaving the needle tip directly exposed after use. Healthcare workers are highly susceptible to accidental needlestick injuries when cleaning collection tubes, transferring patients, or discarding needles after needle removal. Such injuries can lead to the risk of infection with blood-borne diseases such as hepatitis B, hepatitis C, and HIV, thus necessitating urgent improvement. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a protective device for blood collection needles in general nursing care, which aims to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a protective device for blood collection needles in general nursing care, comprising a blood collection tube and a needle holder fixedly disposed on the blood collection tube, a gripping mechanism fixedly disposed on the needle holder for medical personnel to hold and fix the device, a blood collection mechanism disposed at the end of the needle holder away from the blood collection tube for blood collection, and a protective mechanism disposed on the needle holder for protecting the blood collection mechanism.

[0006] Preferably, the gripping mechanism includes: The first gripping plate is fixedly mounted on the needle holder; The second gripping plate is fixedly disposed on the needle seat, and the second gripping plate is fixedly connected to the first gripping plate; The anti-slip part is fixedly disposed on the first and second grip plates, and the anti-slip part is used to improve the stability during blood collection.

[0007] Preferably, the anti-slip part includes: The first anti-slip strip is provided in multiple forms, and all of the first anti-slip strips are fixedly disposed on the first grip plate; The second anti-slip strip has multiple strips, and all of the second anti-slip strips are fixedly mounted on the second grip plate.

[0008] Preferably, the blood collection device includes: A base is fixedly disposed at the end of the needle hub away from the blood collection tubing, and the axis of the base coincides with the axis of the needle hub; A blood collection needle is fixedly mounted on the base, and the axis of the blood collection needle coincides with the axis of the base.

[0009] Preferably, the protection mechanism includes: The device includes multiple limiting cylinders, each of which is fixedly mounted on the needle holder, and the axes of the multiple limiting cylinders coincide. A protective round strip is fitted onto the end of the needle holder near the limiting cylinder; A protective sleeve is fixedly mounted on the protective round strip at one end away from the blood collection tubing, and the protective sleeve is slidably connected to the needle hub; A limiting part is fixedly disposed on the protective sleeve, and the limiting part is used to limit the sliding of the protective sleeve; A protective part is fixedly disposed at the end of the protective sleeve away from the needle hub, and the protective part is used to protect the blood collection needle.

[0010] Preferably, the limiting part includes: The protective sleeve has multiple horizontal rectangular grooves, and each of the multiple horizontal rectangular grooves is opened at one end of the protective sleeve near the protective circular strip, and one end of each of the multiple horizontal rectangular grooves is in contact with the multiple limiting cylinders. The longitudinal rectangular groove is provided in multiple ways, and the multiple longitudinal rectangular grooves are respectively opened at the ends of the multiple transverse rectangular grooves away from the limiting cylinder; The plate groove is formed on the protective round bar and is slidably connected to the first grip plate and the second grip plate.

[0011] Preferably, the protective part includes: A protective cover plate is fixedly installed at the end of the protective sleeve away from the needle hub; A perforated disc is fixedly disposed on the side of the protective cover away from the protective sleeve, and a circular hole is provided in the center of the perforated disc, and the circular hole is slidably connected to the blood collection needle.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: This device features a protective mechanism that securely encases the blood collection needle. After blood collection, the protective mechanism can be moved to keep the used needle covered, preventing accidental punctures and infections during medical procedures and avoiding secondary injuries to those handling medical waste.

[0013] This device features a protective mechanism that allows for easy replacement of the needle with a protective sleeve, unlike traditional methods where the needle must be directly exposed. Instead, the protective sleeve is rotated to cover the needle, preventing accidental punctures and significantly increasing the safety of medical personnel. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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.

[0015] Figure 1 A three-dimensional structural schematic diagram of a blood collection needle protection device for general nursing is shown.

[0016] Figure 2 A cross-sectional structural schematic diagram of a blood collection needle protection device for general nursing care is shown.

[0017] Figure 3 A schematic diagram of the unfolded structure of a blood collection needle protection device for general nursing is shown.

[0018] Figure 4 A schematic diagram of the gripping mechanism of a blood collection needle protection device for general nursing is shown.

[0019] Figure 5 A schematic diagram of the protective mechanism of a blood collection needle protection device for general nursing is shown.

[0020] Legend: 1. Blood collection tubing; 2. Needle hub; 3. First grip plate; 4. Second grip plate; 5. First anti-slip strip; 6. Second anti-slip strip; 7. Base; 8. Blood collection needle; 9. Restricting cylinder; 10. Protective round strip; 11. Protective sleeve; 12. Horizontal rectangular groove; 13. Longitudinal rectangular groove; 14. Plate groove; 15. Protective cover plate; 16. Perforated disc; 17. Round hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] Reference Figures 1 to 5 The present invention provides a further description of an embodiment of a blood collection needle protection device for general nursing care.

[0026] A protective device for a blood collection needle 8 in general nursing care includes a blood collection tube 1 and a needle holder 2 fixedly mounted on the blood collection tube 1. A gripping mechanism is fixedly provided on the needle holder 2. The gripping mechanism is used by medical personnel to hold and secure the device. The gripping mechanism includes: The first gripping plate 3 is fixedly mounted on the needle holder 2; The second gripping plate 4 is fixedly disposed on the needle seat 2, and the second gripping plate 4 is fixedly connected to the first gripping plate 3; An anti-slip part is fixedly disposed on the first and second grip plates 4, and the anti-slip part is used to improve stability during blood collection. The anti-slip part includes: The first anti-slip strip 5 is provided in multiple forms, and all of the first anti-slip strips 5 are fixedly disposed on the first grip plate 3; The second anti-slip strip 6 has multiple strips, and all of the second anti-slip strips 6 are fixedly mounted on the second grip plate 4.

[0027] The medical staff holds the first grip plate 3 and the second grip plate 4 and inserts the blood collection needle 8 into the patient's skin. When blood return is observed in the needle hub 2, the insertion is stopped. When the required amount of blood is collected, the blood collection is stopped and the blood collection needle 8 is removed.

[0028] This device features a gripping mechanism, which allows for more stable blood collection. The anti-slip design prevents the blood collection needle from slipping out of the hand during blood collection, thus increasing the device's stability.

[0029] The needle hub 2 is provided with a blood collection mechanism at the end away from the blood collection tubing 1. The blood collection mechanism is used for blood collection and includes: The base 7 is fixedly disposed at the end of the needle hub 2 away from the blood collection tube 1, and the axis of the base 7 coincides with the axis of the needle hub 2; The blood collection needle 8 is fixedly mounted on the base 7, and the axis of the blood collection needle 8 coincides with the axis of the base 7.

[0030] Insert the blood collection needle 8 into the patient's skin until blood return is observed at the needle hub 2. Stop inserting the needle and stop collecting blood when the required amount of blood is reached. Then remove the blood collection needle 8.

[0031] This device is equipped with a blood collection mechanism, which allows the blood collected by the blood collection needle 8 to be introduced into the blood collection tube 1 through the needle seat 2, thereby enabling the device to perform blood collection.

[0032] The needle hub 2 is provided with a protective mechanism for protecting the blood collection mechanism. The protective mechanism includes: There are multiple limiting cylinders 9, and all of the multiple limiting cylinders 9 are fixedly disposed on the needle seat 2, and the axes of the multiple limiting cylinders 9 coincide. A protective round bar 10 is sleeved on one end of the needle seat 2 near the limiting cylinder 9; A protective sleeve 11 is fixedly disposed on the protective round bar 10 at one end away from the blood collection tube 1, and the protective sleeve 11 is slidably connected to the needle hub 2; A limiting part, fixedly disposed on the protective sleeve 11, is used to limit the sliding of the protective sleeve 11; the limiting part includes: The transverse rectangular groove 12 is provided in multiple ways, and the multiple transverse rectangular grooves 12 are respectively opened at one end of the protective sleeve 11 near the protective round bar 10, and one end of the multiple transverse rectangular grooves 12 respectively contacts the multiple limiting cylinders 9; There are multiple longitudinal rectangular grooves 13, and the multiple longitudinal rectangular grooves 13 are respectively opened at one end of the multiple transverse rectangular grooves 12 away from the limiting cylinder 9; The groove 14 is formed on the protective round bar 10 and is slidably connected to the first gripping plate 3 and the second gripping plate 4.

[0033] A protective part is fixedly disposed at the end of the protective sleeve 11 away from the needle hub 2, and the protective part is used to protect the blood collection needle 8. The protective part includes: The protective cover plate 15 is fixedly disposed at the end of the protective sleeve 11 away from the needle seat 2; A perforated disc 16 is fixedly disposed on the side of the protective cover 15 away from the protective sleeve 11, and a circular hole 17 is provided in the center of the perforated disc 16, and the circular hole 17 is slidably connected to the blood collection needle 8.

[0034] When blood is to be collected, remove the device and rotate the protective sleeve 11. The sliding of the transverse rectangular groove 12 against the limiting cylinder 9 causes the longitudinal rectangular groove 13 at the other end to move onto the limiting cylinder 9. Slide the protective sleeve 11 downwards. After the plate groove 14 rotates, it slides into contact with the first gripping plate 3 and the second gripping plate 4. The longitudinal sliding of the limiting cylinder 9 causes the protective sleeve 11 to move onto the needle holder 2, exposing the blood collection needle 8. When the required blood volume is reached, stop blood collection, pull out the blood collection needle 8, and pull back the protective sleeve 11 until the limiting cylinder 9 reaches the longitudinal rectangular groove 13. Rotate the protective sleeve 11 so that the blood collection needle 8 is completely enclosed by the protective sleeve 11, and discard the blood collection needle 8.

[0035] This device is equipped with a protective mechanism that allows it to securely enclose the blood collection needle 8. After blood collection is completed, the protective mechanism can be moved to keep the used blood collection needle 8 enclosed, thus preventing accidental punctures and infections during the medical process.

[0036] Working principle: When blood needs to be collected, take out this device, rotate the protective sleeve 11, and through the sliding of the transverse rectangular groove 12 and the limiting cylinder 9, the longitudinal rectangular groove 13 at the other end moves onto the limiting cylinder 9. Slide the protective sleeve 11 downward, and after the plate groove 14 rotates, it slides and connects with the first holding plate 3 and the second holding plate 4. Through the longitudinal sliding of the limiting cylinder 9, the protective sleeve 11 moves onto the needle seat 2, exposing the blood collection needle 8.

[0037] The medical staff holds the first grip plate 3 and the second grip plate 4 and inserts the blood collection needle 8 into the patient's skin. When blood return is observed in the needle hub 2, the insertion is stopped. When the required amount of blood is collected, the blood collection is stopped, the blood collection needle 8 is pulled out, and the protective sleeve 11 is pulled back until the limiting cylinder 9 reaches the longitudinal rectangular groove 13. The protective sleeve 11 is then rotated so that the blood collection needle 8 is completely covered by the protective sleeve 11, and the blood collection needle 8 is discarded.

[0038] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A general care blood taking needle (8) protection device, comprising a blood taking hose (1) and a needle holder (2) fixedly arranged on the blood taking hose (1), characterized in that, A gripping mechanism is fixedly provided on the needle holder (2), which is used by medical personnel to hold and fix the device. A blood collection mechanism is provided at one end of the needle holder (2) away from the blood collection tube (1), which is used for blood collection. A protective mechanism is provided on the needle holder (2), which is used to protect the blood collection mechanism.

2. A general care blood lancet (8) protection device according to claim 1, characterized in that, The gripping mechanism includes: The first gripping plate (3) is fixedly mounted on the needle seat (2); The second gripping plate (4) is fixedly disposed on the needle seat (2), and the second gripping plate (4) is fixedly connected to the first gripping plate (3); The anti-slip part is fixedly disposed on the first and second grip plates (4) and is used to improve the stability during blood collection.

3. A general care lancet (8) protection device according to claim 2, characterized in that, The anti-slip part includes: The first anti-slip strip (5) has multiple strips, and all of the first anti-slip strips (5) are fixedly mounted on the first grip plate (3). The second anti-slip strip (6) has multiple strips, and all of the second anti-slip strips (6) are fixedly mounted on the second grip plate (4). superior.

4. A general care blood lancet (8) protection device according to claim 3, characterized in that, The blood collection facility includes: The base (7) is fixedly disposed at one end of the needle seat (2) away from the blood collection tube (1), and the axis of the base (7) coincides with the axis of the needle seat (2); The blood collection needle (8) is fixedly mounted on the base (7), and the axis of the blood collection needle (8) coincides with the axis of the base (7).

5. A protective device for a general nursing blood collection needle (8) according to claim 4, characterized in that, The protection mechanism includes: There are multiple limiting cylinders (9), and all of the multiple limiting cylinders (9) are fixedly disposed on the needle seat (2), and the axes of the multiple limiting cylinders (9) coincide; A protective round strip (10) is fitted onto one end of the needle seat (2) near the limiting cylinder (9); A protective sleeve (11) is fixedly installed on the protective round bar (10) at one end away from the blood collection tube (1), and the protective sleeve (11) is slidably connected to the needle seat (2); A limiting part is fixedly disposed on the protective sleeve (11), and the limiting part is used to limit the sliding of the protective sleeve (11); The protective part is fixedly disposed at the end of the protective sleeve (11) away from the needle seat (2), and the protective part is used to protect the blood collection needle (8).

6. A protective device for a general nursing blood collection needle (8) according to claim 5, characterized in that, The limiting part includes: The transverse rectangular groove (12) has multiple grooves, and the multiple transverse rectangular grooves (12) are respectively opened at one end of the protective sleeve (11) near the protective round bar (10), and one end of the multiple transverse rectangular grooves (12) respectively contacts the multiple limiting cylinders (9); There are multiple longitudinal rectangular slots (13), and the multiple longitudinal rectangular slots (13) are respectively opened at one end of the multiple transverse rectangular slots (12) away from the limiting cylinder (9); The plate groove (14) is formed on the protective round bar (10) and is slidably connected to the first gripping plate (3) and the second gripping plate (4).

7. A protective device for a general nursing blood collection needle (8) according to claim 6, characterized in that, The protection unit includes: A protective cover plate (15) is fixedly installed at the end of the protective sleeve (11) away from the needle seat (2); A perforated disc (16) is fixedly disposed on the side of the protective cover plate (15) away from the protective sleeve (11), and a circular hole (17) is provided in the center of the perforated disc (16), and the circular hole (17) is slidably connected to the blood collection needle (8).

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