Peripheral blood collection device

Abstract

The utility model relates to the technical field of blood collection devices, and discloses a peripheral blood collection device which comprises a body, a fixing ring is fixedly assembled on the outer wall of the body, a butt joint ring is connected to the inner wall of the fixing ring in a sliding mode, a butt joint head is connected to the outer wall of the butt joint ring in an inserted mode, and a collection needle is fixedly assembled on the outer wall of the butt joint head. A movable groove is formed in the middle of the fixing ring, a movable hole is formed in the inner wall of the movable groove, a button is slidably connected to the inner wall of the movable groove, and a mounting groove is formed in the middle of the butt joint ring. Through the arrangement of the fixing ring and the butt joint ring, the collecting device can fix butt joints of different sizes, under the condition that the butt joints are not matched with the fixing ring, a user can enable the collecting device to conduct blood collecting operation in a mode of additionally installing the butt joint ring, and the collecting device is convenient to use. Therefore, the application range of the acquisition device is enlarged, and the practicability of the acquisition device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blood sampling devices, in particular to a peripheral blood sampling device. Background Art

[0002] In the process of disease treatment, it is necessary to collect and analyze the patient's blood. This type of blood collection is usually the collection of blood outside the bone marrow. This type of blood is collectively called "peripheral blood". This makes it easier for medical staff to understand the specific conditions of the patient's body functions. Therefore, a peripheral blood collection device is needed.

[0003] Although the existing collection device can collect blood during use, since there is no adjustment mechanism in the existing collection device, when the needle and the collector are not compatible during use, the collection device will be unable to collect peripheral blood from the human body. The cost of customizing the needle is high, which reduces the scope of use of the existing collection device and increases the cost of using the existing collection device. For this reason, we propose a peripheral blood collection device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a peripheral blood collection device, which has the advantages of strong practicality and easy assembly and disassembly, and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a peripheral blood collection device, comprising a main body, an outer wall of the main body fixedly equipped with a fixing ring, an inner wall of the fixing ring slidably connected with a docking ring, an outer wall of the docking ring is plugged with a docking head, an outer wall of the docking head is fixedly equipped with a collection needle, a movable groove is provided in the middle of the fixing ring, a movable hole is provided in the inner wall of the movable groove, a button is slidably connected to the inner wall of the movable groove, a mounting groove is provided in the middle of the docking ring, a sleeve is fixedly equipped on the inner wall of the mounting groove, and a bayonet and a retaining spring are respectively sleeved on the inner wall of the sleeve.

[0006] As a preferred technical solution of the utility model: the number of the sleeves is two, and the two sleeves are evenly distributed along the inner wall of the installation groove, and the latch and the button are both made of galvanized iron metal.

[0007] As a preferred technical solution of the utility model: the inner wall of the movable hole is slidably connected to the outer wall of the button, the button is fixedly equipped with a limiting ring at one end of the inner wall of the movable groove, and the outer wall of the limiting ring is slidably connected to the inner wall of the movable groove.

[0008] As a preferred technical solution of the utility model: the outer wall of the button overlaps the outer wall of the bayonet, the inner wall of the movable groove is provided with a through hole, and the diameter and shape of the through hole are adapted to the diameter and shape of the bayonet, and the docking ring is fixedly connected to the fixing ring through the cooperation of the bayonet and the through hole.

[0009] As a preferred technical solution of the utility model: the fixing ring, the docking head and the docking ring are all made of polycarbonate, and the docking head is fixedly connected to the fixing ring through the docking ring.

[0010] As a preferred technical solution of the utility model: the inner walls of the docking ring and the fixed ring are both provided with liquid outlet holes, and the diameter of the liquid outlet hole on the docking ring is 2 cm smaller than the diameter of the liquid outlet hole on the fixed ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The peripheral blood collection device, through the set fixing ring and docking ring structure, enables the collection device to be fixed to the docking joints of different sizes. When the docking joint and the fixing ring are not compatible, the user can install the docking ring to enable the collection device to perform blood collection operations, thereby increasing the use range of the collection device and further improving the practicality of the collection device.

[0013] 2. The peripheral blood collection device, through the provided retaining spring, sleeve, and retaining pin structure, allows the user to press the retaining pin to make the docking ring fit with the inner wall of the fixed ring during the installation of the docking ring, and the retaining spring can automatically push the retaining pin to engage with the through hole, thereby achieving the effect of quickly fixing the fixed ring, thereby improving the efficiency of the user in installing the docking ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a schematic diagram of the docking ring structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the fixed ring structure of the utility model

[0019] Figure 6 This is a schematic diagram of the structure of the retaining spring of the utility model.

[0020] In the figure: 1. main body; 2. fixing ring; 3. button; 4. docking head; 5. docking ring; 6. sleeve; 7. collection needle; 8. movable groove; 9. bayonet pin; 10. mounting groove; 11. movable hole; 12. retaining spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 A peripheral blood collection device comprises a main body 1, a fixing ring 2 is fixedly mounted on the outer wall of the main body 1, a docking ring 5 is slidably connected to the inner wall of the fixing ring 2, a docking head 4 is inserted into the outer wall of the docking ring 5, a collection needle 7 is fixedly mounted on the outer wall of the docking head 4, a movable groove 8 is opened in the middle of the fixing ring 2, a movable hole 11 is opened in the inner wall of the movable groove 8, a button 3 is slidably connected to the inner wall of the movable groove 8, a mounting groove 10 is opened in the middle of the docking ring 5, a sleeve 6 is fixedly mounted on the inner wall of the mounting groove 10, and a bayonet 9 and a retaining spring 12 are respectively sleeved on the inner wall of the sleeve 6.

[0023] In the above structure, by setting the fixing ring 2 and the docking ring 5 structure, during the use of the collection device, the user can install the docking ring 5 on the inner wall of the fixing ring 2, or remove the docking ring 5 so that the docking heads 4 of different diameters are suitable for the collection device, thereby avoiding the situation where the collection device cannot perform the blood collection operation normally due to the size mismatch of the docking head 4, thereby increasing the scope of use of the device.

[0024] In a preferred embodiment, the number of the sleeves 6 is two, and the two sleeves 6 are evenly distributed along the inner wall of the mounting groove 10, and the latch 9 and the button 3 are both made of galvanized iron metal.

[0025] In the above structure, the sleeve 6 and the mounting groove 10 structure are arranged, and the docking ring 5 is fixed by utilizing the two sleeves 6 and the retaining spring 12 and the retaining pin 9 structure arranged inside thereof, so that the docking ring 5 can be firmly fixed in the fixing ring 2, thereby improving the stability of the docking ring 5 during the operation of the collection device.

[0026] In a preferred embodiment: the inner wall of the movable hole 11 is slidably connected to the outer wall of the button 3, and a limiting ring is fixedly assembled on one end of the button 3 located on the inner wall of the movable groove 8, and the outer wall of the limiting ring is slidably connected to the inner wall of the movable groove 8.

[0027] In the above structure, by setting the limit ring and the movable groove 8 structure, after the button 3 is pushed by the pin 9, the limit ring and the movable groove 8 cooperate to prevent the button 3 from being separated from the fixed ring 2, thereby improving the tightness of the connection structure between the button 3 and the fixed ring 2. At the same time, it is also convenient for the user to directly remove the docking ring 5 by pressing the button 3 when disassembling the docking ring 5, which is convenient for the user to disassemble the docking ring 5, thereby improving the practicality of the device.

[0028] In a preferred embodiment: the outer wall of the button 3 overlaps the outer wall of the bayonet 9, a through hole is opened on the inner wall of the movable groove 8, and the diameter and shape of the through hole are adapted to the diameter and shape of the bayonet 9, and the docking ring 5 is fixedly connected to the fixing ring 2 through the cooperation of the bayonet 9 and the through hole.

[0029] In the above structure, by providing a through hole structure, the bayonet pin 9 is automatically plugged into the through hole under the influence of the elasticity of the retaining spring 12, thereby achieving the effect of quickly fixing the docking ring 5, thereby improving the user's efficiency in disassembling and assembling the docking ring 5.

[0030] In a preferred embodiment, the fixing ring 2 , the docking head 4 and the docking ring 5 are all made of polycarbonate, and the docking head 4 is fixedly connected to the fixing ring 2 via the docking ring 5 .

[0031] In the above structure, polycarbonate has good mechanical properties, and also has flame retardant and high temperature resistant properties, which effectively ensures that the device will not be deformed in a high temperature disinfection environment, making it easy for users to recycle it.

[0032] In a preferred embodiment, the inner walls of the docking ring 5 and the fixing ring 2 are both provided with liquid outlet holes, and the diameter of the liquid outlet hole on the docking ring 5 is 2 cm smaller than the diameter of the liquid outlet hole on the fixing ring 2 .

[0033] In the above structure, by setting liquid outlet holes of different diameters, the fixing ring 2 and the docking ring 5 are adapted to the docking joints 4 of different diameters to fix the docking joints 4, thereby achieving the effect of increasing the use range of the collection device and further improving the practicability of the collection device.

[0034] Working principle: First, the user can directly plug the docking joint 4 into the docking ring 5, and then collect the peripheral blood of the collector through the negative pressure generated inside the body 1. In the case that the docking joint 4 and the docking ring 5 are not compatible, the user can press the button 3 so that the button 3 applies a thrust to the bayonet 9 to disengage the bayonet 9 from the through hole. At this time, the docking ring 5 and the fixed ring 2 are in a state of active connection. The user can directly pull out the docking ring 5 to expose the inner wall of the fixed ring 2, and then align the docking joint 4 with the fixed ring 2 and plug the docking joint 4 into the fixed ring 2. Conversely, the user can By pressing the bayonet pin 9, the docking ring 5 can be sent into the fixing ring 2, and then the docking ring 5 is pushed to move toward the main body 1. When the position of the bayonet pin 9 coincides with the position of the through hole, the elasticity of the retaining spring 12 will automatically push the bayonet pin 9 to plug into the through hole, and the button 3 will be lifted up due to the pop-up of the bayonet pin 9, which is convenient for the user to disassemble the docking ring 5 to disinfect the accessories and achieve the effect of recycling. The docking ring 5 is fixedly connected to the fixing ring 2 under the positioning effect of the bayonet pin 9, so as to achieve the effect of being suitable for docking heads 4 of different sizes, thereby improving the scope of use of the collection device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A peripheral blood collection device, comprising a body (1), characterized in that: The outer wall of the body (1) is fixedly equipped with a fixing ring (2), the inner wall of the fixing ring (2) is slidably connected with a docking ring (5), the outer wall of the docking ring (5) is plugged with a docking head (4), the outer wall of the docking head (4) is fixedly equipped with a collecting needle (7), a movable groove (8) is provided in the middle of the fixing ring (2), a movable hole (11) is provided in the inner wall of the movable groove (8), a button (3) is slidably connected to the inner wall of the movable groove (8), a mounting groove (10) is provided in the middle of the docking ring (5), the inner wall of the mounting groove (10) is fixedly equipped with a sleeve (6), and the inner wall of the sleeve (6) is respectively sleeved with a bayonet (9) and a retaining spring (12).

2. A peripheral blood collection device according to claim 1, characterized in that: The number of the sleeves (6) is two, and the two sleeves (6) are evenly distributed along the inner wall of the mounting groove (10), and the latch (9) and the button (3) are both made of galvanized iron metal.

3. A peripheral blood collection device according to claim 1, characterized in that: The inner wall of the movable hole (11) is slidably connected to the outer wall of the button (3); a limiting ring is fixedly mounted on one end of the button (3) located on the inner wall of the movable groove (8); and the outer wall of the limiting ring is slidably connected to the inner wall of the movable groove (8).

4. A peripheral blood collection device according to claim 1, characterized in that: The outer wall of the button (3) overlaps the outer wall of the bayonet (9), the inner wall of the movable groove (8) is provided with a through hole, and the diameter and shape of the through hole are both compatible with the diameter and shape of the bayonet (9), and the docking ring (5) is fixedly connected to the fixing ring (2) through the cooperation of the bayonet (9) and the through hole.

5. A peripheral blood collection device according to claim 1, characterized in that: The fixing ring (2), the docking head (4) and the butt joint ring (5) are all made of polycarbonate, and the butt joint (4) is fixedly connected to the fixing ring (2) via the butt joint ring (5).

6. A peripheral blood collection device according to claim 1, characterized in that: The inner walls of the docking ring (5) and the fixing ring (2) are both provided with liquid outlet holes, and the diameter of the liquid outlet hole on the docking ring (5) is 2 cm smaller than the diameter of the liquid outlet hole on the fixing ring (2).

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