Blood drawing device for preventing cross infection of blood infectious diseases

Abstract

The invention discloses a blood drawing device for preventing cross infection of blood infectious diseases, and relates to the field of infection department doctors, a reserved blood drawing needle assembly is nested on the outer side of a reserved external butt joint piece, and the reserved external butt joint piece is in butt joint with an external blood drawing structure; the end of the reserved external butt-joint piece is fixedly connected with a built-in fixed partition assembly, the inner end of the reserved external butt-joint piece is rotationally connected with a movable butt-joint rotating piece, and the movable butt-joint rotating piece corresponds to the outer side of the built-in fixed partition assembly in position. According to the blood drawing device capable of preventing cross infection of the blood infectious diseases, self-adaptive disinfection treatment is carried out on the reserved blood drawing needle assembly and the reserved external butt joint piece in the disassembly process in cooperation with an auxiliary self-supply structure; the possibility of cross infection of blood infectious diseases is prevented through self-release disinfectant supply, and self-adaptive disinfection treatment is stably carried out according to the previous operation step.

Description

Technical Field

[0001] The present invention relates to the technical field of infectious disease doctors, and in particular to a blood drawing device for preventing cross infection of blood infectious diseases. Background Art

[0002] When conducting medical examinations, infectious disease doctors need to use corresponding blood collection devices to draw blood from patients’ veins. Therefore, the quality of the blood collection device determines the overall quality of blood collection. For example, the patent with publication number CN100401982C discloses a blood drawing device for drawing blood. The cutting device includes a driving mechanism, which can ensure a less painful cutting process for the patient. The driving mechanism is characterized by reliability and simple structure. Through a trigger mechanism, the lancet is driven by converting the linear movement of the trigger unit into a rotational movement, which starts the cutting process. This allows simple operation on the patient; Another example is a blood test blood drawing device with publication number CN118633934A, which relates to the technical field of medical devices, including a blood collection pen body and a pen cap arranged on the blood collection pen body, a connecting end is installed at the end of the blood collection pen body, and the connecting end is movably connected to the pen cap, and a movable ring is movably connected to the outside of the pen cap, and a fixing belt is installed on the outside of the movable ring, and a fixing plate supporting the movement of the fixing belt is installed on the outside of the movable ring, and a movable plate is installed on one end of the fixing belt passing through the fixing plate, and the movable plate and the fixed plate are movably connected, and a limiting groove is provided on the outside of the movable ring, and a fixing component for fixing the belt is arranged on the outside of the movable plate, and the fixing component includes a limiting block and a telescopic block arranged on the movable plate, and the blood collection pen body remains stable during the blood collection process to prevent the blood collection port from deviating from the target position due to hand shaking or other factors, thereby improving the accuracy of blood collection; For example, a pediatric blood drawing device with publication number CN114668394A includes a main body mechanism, a binding mechanism and a hemostatic mechanism; wherein the main body mechanism is arranged on one side of the hemostatic mechanism, and the main body mechanism is used to simply fix and support the patient's limbs; wherein the binding mechanism is installed on one side of the main body mechanism; wherein the hemostatic mechanism is installed on one side of the main body mechanism; the pain caused by the blood drawing needle entering the human body is reduced, and after blood drawing, the hemostatic patch is placed in the placement shell, the placement shell is placed in the installation shell, and the hemostatic patch is fixed to the blood drawing place by pushing the push plate, so as to facilitate the hemostatic operation; Most of the above-mentioned existing technologies have improved their overall structure. However, during the operation of the existing blood drawing device, there are certain limitations in cross-infection of blood infectious diseases during its docking and subsequent removal operations. It is impossible to stably perform adaptive disinfection according to the previous operation steps, and thus there are certain usage limitations. Summary of the invention

[0003] The purpose of the present invention is to provide a blood drawing device that can prevent cross-infection of blood-borne infectious diseases, so as to solve the problem raised in the above-mentioned background technology that during the working process, there are certain limitations of cross-infection of blood-borne infectious diseases during the docking and subsequent extraction operations, and the problem that it is impossible to stably perform adaptive disinfection according to the previous operation step.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A blood drawing device for preventing cross infection of blood infectious diseases, comprising a reserved external docking piece and a reserved blood drawing needle assembly, wherein the reserved external docking piece is nested with the reserved blood drawing needle assembly, and the reserved external docking piece and the external blood drawing structure are docked with each other; The end of the reserved external docking piece is fixedly connected to the built-in fixed barrier assembly, and the inner end of the reserved external docking piece is rotatably connected to a movable docking rotating piece, and the movable docking rotating piece corresponds to the outer side position of the built-in fixed barrier assembly, an auxiliary positioning structure is arranged between the reserved blood drawing needle assembly and the reserved external docking piece, and the sealing docking of the reserved blood drawing needle assembly and the reserved external docking piece is adaptively docked through the auxiliary positioning structure; the inner side of the reserved blood drawing needle assembly is provided with an auxiliary self-supply structure, and the reserved blood drawing needle assembly and the reserved external docking piece are adaptively disinfected through the auxiliary self-supply structure.

[0005] Further preferably, the auxiliary self-supply structure is provided with a docking reserved liquid sac assembly, and the docking reserved liquid sac assembly is adhesively connected to the outside of the reserved blood drawing needle assembly, and a supply preset channel is provided between the docking reserved liquid sac assembly and the reserved blood drawing needle assembly, and the inner end of the supply preset channel is docked with a fitting docking reserved layer.

[0006] Further preferably, the movable docking rotating part forms a unidirectional rotating structure through the built-in fixed partition assembly, and the reserved blood drawing needle assembly drives the docking reserved liquid bag assembly to move outward, and the contacted movable docking rotating part is pressurized and deformed; the docking reserved liquid bag assembly supplies disinfectant to the end of the reserved blood drawing needle assembly through a preset supply channel, and while lateral force is applied to disassemble the reserved blood drawing needle assembly outward laterally, the docking reserved liquid bag assembly on its outer side will contact the unidirectional rotating movable docking rotating part, thereby being pressurized to supply disinfectant to the end of the reserved blood drawing needle assembly through the preset supply channel.

[0007] Further preferably, the auxiliary positioning structure is provided with a resisting transverse docking movable part, and the resisting transverse docking movable part is nested and docked inside the reserved external docking part, and the end of the resisting transverse docking movable part contacts the outside of the docking reserved liquid bag assembly.

[0008] Further preferably, a reserved accommodating guide groove is opened on the inner side of the reserved external docking part, and a resisting vertical docking movable part is nested and installed in the inner end of the reserved accommodating guide groove, and the resisting vertical docking movable part and the inner end of the reserved external docking part are docked with each other; a reset reserved spring is fixedly connected to the upper end of the resisting vertical docking movable part, and the reset reserved spring and the inner side of the reserved accommodating guide groove are docked with each other.

[0009] Further preferably, a transverse accommodating docking groove is provided on the inner side of the reserved external docking part, and the transverse accommodating docking groove corresponds to the position of the docking reserved liquid bag assembly. The contacting and pressurized resisting transverse docking movable part will be forced to move inward accordingly, thereby applying pressure to the contacting vertical docking movable part through the structure with inclined end faces, and the contacting vertical docking movable part will drive the friction-fitting auxiliary positioning part at the lower end to move downward synchronously to perform auxiliary positioning work on the contacting outer side of the reserved blood drawing needle assembly.

[0010] Further preferably, the lower end of the abutting vertical docking movable part is fixedly connected with a friction fitting auxiliary positioning part, and the lower end of the friction fitting auxiliary positioning part corresponds to the outer side position of the reserved blood drawing needle assembly.

[0011] Further preferably, during the inward movement of the docking reserved liquid capsule assembly, pressure is simultaneously applied to the contacting transverse docking movable member, and the end faces of the contacting transverse docking movable member and the contacting vertical docking movable member are both inclined structures.

[0012] Further preferably, during the inward movement of the resisting horizontal docking movable part, pressure is simultaneously applied to the contacting vertical docking movable part, and the resisting vertical docking movable part drives the friction-fitting auxiliary positioning part at the lower end to move downward synchronously to assist in positioning the outer side of the contacting reserved blood drawing needle assembly, and the dual positioning of the docking reserved liquid bag assembly and the friction-fitting auxiliary positioning part is used to assist in locking the reserved blood drawing needle assembly to avoid easy loosening.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The blood drawing device for preventing cross infection of blood infectious diseases is provided with an auxiliary self-supply structure. As the user removes the reserved blood drawing needle assembly, a lateral force is applied to disassemble the reserved blood drawing needle assembly outwards, and the docking reserved liquid bag assembly on its outer side will contact a one-way rotating movable docking rotating part, thereby being pressed to supply disinfectant to the end of the reserved blood drawing needle assembly through a preset supply channel, and then the auxiliary self-supply structure is cooperated to perform adaptive disinfection between the reserved blood drawing needle assembly and the reserved external docking part during the disassembly process. During the docking and subsequent removal operations, the possibility of cross infection of blood infectious diseases is prevented by the self-released disinfectant supply, and the adaptive disinfection is stably performed according to the previous operation step; Furthermore, an auxiliary positioning structure is provided. As the reserved blood drawing needle assembly is inserted into the interior of the reserved external docking piece, the docking reserved liquid bag assembly on the outside thereof will move through the movable docking rotating piece which can be rotated inwardly in one direction, so as to be snapped into the inner side of the reserved external docking piece. At the same time, the contacting and pressurized resisting transverse docking movable piece will be forced to move inward accordingly, so as to synchronously apply pressure to the contacting resisting vertical docking movable piece through the structure whose end faces are all inclined, and the resisting vertical docking movable piece will drive the friction-fitting auxiliary positioning piece at the lower end to synchronously move downward to perform auxiliary positioning work on the outer side of the contacting reserved blood drawing needle assembly, and the sealing docking of the reserved blood drawing needle assembly and the reserved external docking piece is adaptively docked through the auxiliary positioning structure, so as to assist in the locking process of the reserved blood drawing needle assembly through the dual positioning of the docking reserved liquid bag assembly and the friction-fitting auxiliary positioning piece, so as to avoid the phenomenon of easy loosening, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a half-cut three-dimensional structure of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the partially enlarged structure; Figure 4 A schematic diagram of a half-cut three-dimensional structure of an external docking piece reserved for the present invention; Figure 5 This is a schematic diagram of a half-cut three-dimensional structure of a reserved blood drawing needle assembly of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the movable docking rotating member of the present invention; Figure 7 A schematic diagram of the three-dimensional structure of the reset reserve spring of the present invention; Figure 8 It is a schematic diagram of a half-sectioned top view of the structure of the present invention.

[0015] In the figure: 1. Reserved external docking parts; 2. Reserved blood drawing needle assembly; 3. Built-in fixed barrier assembly; 4. Movable docking rotating parts; 5. Docking reserved liquid bag assembly; 6. Supply preset channel; 7. Fitting docking reserved layer; 8. Resistance to horizontal docking movable parts; 9. Reserved accommodating guide groove; 10. Resistance to vertical docking movable parts; 11. Reset reserved spring; 12. Friction fitting auxiliary positioning parts; 13. Horizontal accommodating docking groove. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example 1: Please refer to Figure 1-8 The present invention provides the following technical solutions: A blood drawing device for preventing cross infection of blood infectious diseases, comprising a reserved external docking piece 1, a reserved blood drawing needle assembly 2, a built-in fixed baffle assembly 3, a movable docking rotating piece 4, a docking reserved liquid capsule assembly 5, a preset supply channel 6, a fitting docking reserved layer 7, a resisting horizontal docking movable piece 8, a reserved accommodating guide groove 9, a resisting vertical docking movable piece 10, a reset reserved spring 11, a friction fitting auxiliary positioning piece 12, and a horizontal accommodating docking groove 13; a reserved blood drawing needle assembly 2 is nested and installed on the outer side of the reserved external docking piece 1, and the reserved external docking piece 1 and the external blood drawing structure are docked with each other; The end of the reserved external docking part 1 is fixedly connected to the built-in fixed barrier assembly 3, and the inner end of the reserved external docking part 1 is rotatably connected to the movable docking rotating part 4, and the outer positions of the movable docking rotating part 4 and the built-in fixed barrier assembly 3 correspond to each other, and an auxiliary positioning structure is provided between the reserved blood drawing needle assembly 2 and the reserved external docking part 1, and the sealing docking of the reserved blood drawing needle assembly 2 and the reserved external docking part 1 is adaptively docked through the auxiliary positioning structure; An auxiliary self-supply structure is provided on the inner side of the reserved blood drawing needle assembly 2, and the auxiliary self-supply structure is used to adaptively disinfect the reserved blood drawing needle assembly 2 and the reserved external docking member 1. The auxiliary self-supply structure is provided with a docking reserved liquid capsule assembly 5, and the docking reserved liquid capsule assembly 5 is adhesively connected to the outer side of the reserved blood drawing needle assembly 2, and a supply preset channel 6 is provided between the docking reserved liquid capsule assembly 5 and the reserved blood drawing needle assembly 2, and the inner end of the supply preset channel 6 is docked with a bonding docking reserved layer 7.

[0018] The movable docking rotating part 4 forms a unidirectional rotating structure through the built-in fixed barrier assembly 3, and the reserved blood drawing needle assembly 2 drives the docking reserved liquid capsule assembly 5 to move outward to apply pressure to the contacted movable docking rotating part 4 to deform; the docking reserved liquid capsule assembly 5 supplies disinfectant to the end of the reserved blood drawing needle assembly 2 through the supply preset channel 6. As the user dismantles the reserved blood drawing needle assembly 2, while applying lateral force to dismantle the reserved blood drawing needle assembly 2 outward, the docking reserved liquid capsule assembly 5 on its outside will contact the unidirectional rotating movable docking rotating part 4, so that it is pressed to supply disinfectant to the end of the reserved blood drawing needle assembly 2 through the supply preset channel 6, and then cooperate with the auxiliary self-supply structure to perform adaptive disinfection between the reserved blood drawing needle assembly 2 and the reserved external docking part 1 during the disassembly process, and during the docking and subsequent removal operations, the possibility of cross infection of blood infectious diseases is prevented through the self-released disinfectant supply.

[0019] Embodiment 2: Based on Embodiment 1, an auxiliary positioning structure is also disclosed, and its specific structure is as follows: The auxiliary positioning structure is provided with a resisting transverse docking movable part 8, and the resisting transverse docking movable part 8 is nested and docked on the inner side of the reserved external docking part 1, and the end of the resisting transverse docking movable part 8 is in contact with the outer side of the docking reserved liquid capsule assembly 5. A reserved accommodating guide groove 9 is provided on the inner side of the reserved external docking part 1, and a resisting vertical docking movable part 10 is nested and installed on the inner end of the reserved accommodating guide groove 9, and the resisting vertical docking movable part 10 is docked with the inner end of the reserved external docking part 1; a reset reserved spring 11 is fixedly connected to the upper end of the resisting vertical docking movable part 10, and the reset reserved spring 11 is docked with the inner side of the reserved accommodating guide groove 9. A transverse accommodating docking groove 13 is provided on the inner side of the reserved external docking part 1, and the transverse accommodating docking groove 13 corresponds to the position of the docking reserved liquid capsule assembly 5. The lower end of the vertical docking movable part 10 is fixedly connected with a friction fitting auxiliary positioning part 12, and the lower end of the friction fitting auxiliary positioning part 12 corresponds to the outer position of the reserved blood drawing needle assembly 2. During the inward movement of the docking reserved liquid capsule assembly 5, the contacting horizontal docking movable part 8 is simultaneously pressed, and the end faces of the horizontal docking movable part 8 and the vertical docking movable part 10 are both inclined structures.

[0020] During the inward movement of the resisting transverse docking movable part 8, pressure is simultaneously applied to the contacting vertical docking movable part 10, and the resisting vertical docking movable part 10 drives the friction-fitting auxiliary positioning part 12 at the lower end to move downward synchronously to perform auxiliary positioning work on the outer side of the contacted reserved blood drawing needle assembly 2; as the reserved blood drawing needle assembly 2 is plugged into the interior of the reserved external docking part 1, the docking reserved liquid bag assembly 5 on its outer side will move through the unidirectional inwardly rotatable movable docking rotating part 4, thereby being snapped into the inner side of the reserved external docking part 1, and at the same time, the contacting and pressurized resisting transverse docking movable part 8 will be forced to move inward accordingly. The movable member 10 is moved so as to synchronously apply pressure to the contacting abutting vertical docking member 10 through the structure with inclined end faces, and the contacting vertical docking member 10 will drive the friction-fitting auxiliary positioning member 12 at the lower end to synchronously move downward to perform auxiliary positioning work on the outer side of the contacting reserved blood drawing needle assembly 2, and the sealing docking of the reserved blood drawing needle assembly 2 and the reserved external docking member 1 is adaptively docked through the auxiliary positioning structure, thereby assisting the locking of the reserved blood drawing needle assembly 2 through the dual positioning of the docking reserved liquid bag assembly 5 and the friction-fitting auxiliary positioning member 12 to avoid easy loosening.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood drawing device for preventing cross infection of blood infectious diseases, comprising a reserved external docking piece (1) and a reserved blood drawing needle assembly (2), wherein the reserved blood drawing needle assembly (2) is nested and installed outside the reserved external docking piece (1), and the reserved external docking piece (1) and the external blood drawing structure are docked with each other; Features: The end of the reserved external docking piece (1) is fixedly connected to the internal fixed barrier assembly (3), and the inner end of the reserved external docking piece (1) is rotatably connected to the movable docking rotating piece (4), and the outer positions of the movable docking rotating piece (4) and the internal fixed barrier assembly (3) correspond to each other, and an auxiliary positioning structure is provided between the reserved blood drawing needle assembly (2) and the reserved external docking piece (1), and the sealing docking of the reserved blood drawing needle assembly (2) and the reserved external docking piece (1) is adaptively docked by the auxiliary positioning structure; An auxiliary self-supply structure is provided on the inner side of the reserved blood drawing needle assembly (2), and adaptive disinfection processing is performed between the reserved blood drawing needle assembly (2) and the reserved external docking piece (1) through the auxiliary self-supply structure.

2. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 1, characterized in that: The auxiliary self-supply structure is provided with a docking reserved liquid capsule assembly (5), and the docking reserved liquid capsule assembly (5) is adhesively connected to the outside of the reserved blood drawing needle assembly (2), and a supply preset channel (6) is provided between the docking reserved liquid capsule assembly (5) and the reserved blood drawing needle assembly (2), and the inner end of the supply preset channel (6) is docked with a fitting docking reserved layer (7).

3. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 2, characterized in that: The movable docking rotating member (4) forms a unidirectional rotating structure through the built-in fixed barrier assembly (3), and the reserved blood drawing needle assembly (2) drives the docking reserved liquid bag assembly (5) to move outward, thereby applying pressure to the contacting movable docking rotating member (4) to deform; The docking reserved liquid bag assembly (5) supplies disinfectant to the end of the reserved blood drawing needle assembly (2) via a preset supply channel (6).

4. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 3, characterized in that: The auxiliary positioning structure is provided with a resisting transverse docking movable member (8), and the resisting transverse docking movable member (8) is nested and docked inside the reserved external docking member (1), and the end of the resisting transverse docking movable member (8) is in contact with the outer side of the docking reserved liquid capsule assembly (5).

5. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 4, characterized in that: A reserved accommodating guide groove (9) is provided on the inner side of the reserved external docking piece (1), and a vertically resisting docking movable piece (10) is nested and installed at the inner end of the reserved accommodating guide groove (9), and the vertically resisting docking movable piece (10) and the inner end of the reserved external docking piece (1) are docked with each other; A return reserve spring (11) is fixedly connected to the upper end of the vertically resisting docking movable member (10), and the return reserve spring (11) and the inner side of the reserved accommodating guide groove (9) are docked with each other.

6. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 5, characterized in that: A transverse docking groove (13) is provided on the inner side of the reserved external docking piece (1), and the positions of the transverse docking groove (13) and the reserved docking liquid capsule assembly (5) correspond to each other.

7. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 6, characterized in that: The lower end of the abutting vertical docking movable part (10) is fixedly connected to a friction fitting auxiliary positioning part (12), and the lower end of the friction fitting auxiliary positioning part (12) corresponds to the outer position of the reserved blood drawing needle assembly (2).

8. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 7, characterized in that: During the inward movement of the docking reserved liquid capsule assembly (5), pressure is simultaneously applied to the contacting transverse docking movable member (8), and the end surfaces of the contacting transverse docking movable member (8) and the contacting vertical docking movable member (10) are both inclined structures.

9. A blood drawing device for preventing cross infection of blood-borne infectious diseases according to claim 8, characterized in that: During the inward movement of the resisting transverse docking movable part (8), pressure is simultaneously applied to the resisting vertical docking movable part (10) in contact, and the resisting vertical docking movable part (10) drives the friction-fitting auxiliary positioning part (12) at the lower end to move downward synchronously to perform auxiliary positioning work on the outer side of the contacting reserved blood drawing needle assembly (2).

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