Puncture sleeve of puncture outfit

Abstract

The utility model discloses a puncture sleeve of a puncture outfit, which comprises a puncture cannula, a round plate is fixedly connected above the puncture cannula, a pressing block is arranged above the round plate, a puncture needle is fixedly connected below the pressing block, the puncture needle is connected in the puncture cannula in a sliding manner, and the round plate is connected with the puncture cannula in a sliding manner. Two L-shaped grooves are symmetrically formed in the two sides of the pressing block, first telescopic springs are fixedly connected into the two L-shaped grooves, two L-shaped rods are fixedly connected to the telescopic ends of the two first telescopic springs, and the L-shaped rods are pushed through the first telescopic springs, so that triangular clamping blocks below the L-shaped rods are connected with clamping grooves in a clamped mode; the round plate and the pressing block can be fixedly connected together by the aid of the pressing plate, the outer surface of the pressing plate is flush with the side wall of the pressing block, connection looseness caused by mistaken touch is prevented, then a puncture needle is inserted to bring the puncture cannula into the body of a patient, the adhesive tape is adhered to the skin of the patient, and the puncture cannula can be stabilized.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a puncture sleeve of a puncture device. Background Art

[0002] Minimally invasive surgery represented by laparoscopes is developing faster and faster in the medical field. Minimally invasive surgery characterized by small operations and small trauma has been recognized and acknowledged by the majority of medical staff. The puncture device is an essential instrument used to establish surgical channels and observation channels in abdominal surgery. The puncture device usually includes a puncture cannula as a channel for other surgical instruments to enter the channel and a puncture needle running through the puncture cannula. First, in order to penetrate the skin, the skin epidermis is cut with a scalpel, and then the puncture needle is used to penetrate the skin and enter the body cavity together with the puncture cannula. The puncture needle is then pulled out, and the puncture cannula can be used as a channel to introduce various instruments and tools into the abdominal cavity. Due to factors such as differences in the elasticity of the patient's skin and the number of times the instrument enters and exits the puncture device, the puncture device is very easy to overturn and slip during use, causing secondary damage to the patient.

[0003] Prior art CN216167740U discloses a puncture sleeve device for a laparoscopic puncture device. By setting an adjustment mechanism, when adjusting the height of the horizontal plate, the horizontal plate is pushed. Since the screw rod and the connecting rod are connected by threaded engagement, the connecting rod slides on the outside of the screw rod and rotates inside the horizontal plate. The connecting rod is limited by a hollow ring, which makes it easier for the limit block to adjust the height of the horizontal plate to an appropriate position, so that the horizontal plate contacts the patient's epidermis. At the same time, a needle and thread are passed through the holes opened in the hollow block to sew the horizontal plate together with the patient's epidermis, thereby increasing the stability of the bottom of the device and preventing the device from overturning during use, thereby protecting the patient and preventing the patient from secondary injury.

[0004] However, the above technical solution has the disadvantages that the above device needs to be sutured with needles and threads to fit the device to the patient's skin, which may cause harm to the patient when the needles and threads are sutured with the skin. In addition, when the puncture sleeve body is separated from the puncture tube, the above device needs to be rotated before it can be pulled out. During the rotation, the puncture sleeve may be rotated and deviated due to excessive force, which may cause secondary harm to the patient. Therefore, it is necessary to design a puncture sleeve of a puncture device. Utility Model Content

[0005] The purpose of the utility model is to provide a puncture sleeve of a puncture device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a puncture sleeve of a puncture device comprises a puncture sleeve, a circular plate is fixedly connected to the top of the puncture sleeve, a pressing block is installed on the top of the circular plate, a puncture needle is fixedly connected to the bottom of the pressing block, the puncture needle is slidably connected inside the puncture sleeve, two L-shaped grooves are symmetrically opened inside the two sides of the pressing block, a first telescopic spring is fixedly connected to the two L-shaped grooves, the telescopic ends of the two first telescopic springs are fixedly connected to two L-shaped rods, the lower ends of the two L-shaped rods are fixedly connected to triangular clamping blocks, the upper ends of the two L-shaped rods are fixedly connected to a pressing plate, the outer surface of the pressing plate is flush with the side wall of the pressing block, the pressing plate is slidably connected in the L-shaped groove and matches the size of the L-shaped groove, a clamping slot is opened on the top of the circular plate, the triangular clamping block is clamped with the clamping slot, the outer side of the puncture sleeve is slidably connected to a positioning plate, and the upper surface of the positioning plate is pasted with an adhesive tape.

[0007] According to the above technical solution, two first limit blocks are symmetrically fixedly connected to the upper and lower ends of the pressing plate, and first limit grooves are symmetrically opened inside the upper part of the L-shaped groove, and the first limit blocks are slidably connected in the first limit grooves.

[0008] According to the above technical solution, a first sliding hole is vertically opened inside the positioning plate, and the puncture sleeve is slidably connected in the first sliding hole. Two first notches are symmetrically opened on both sides of the first sliding hole, and second telescopic springs are fixedly connected in the two first notches. The telescopic end of the second telescopic spring is fixedly connected to a round head block.

[0009] According to the above technical solution, a plurality of semicircular grooves are symmetrically formed on the outer inner wall of the puncture sleeve, and the round head end of the round head clamping block is clamped with the semicircular groove.

[0010] According to the above technical solution, the upper and lower sides of the round head clamping block are symmetrically fixedly connected to the second limit blocks, the inner sides of the first notch are symmetrically provided with second limit grooves, and the second limit block is slidably connected in the second limit grooves.

[0011] According to the above technical solution, the lower end of the puncture sleeve is a tapered end, and the internal size of the puncture sleeve matches the size of the puncture needle.

[0012] According to the above technical solution, a fixing column is fixedly connected to the outer side of the puncture sleeve above the positioning plate, a fixing plate is fixedly connected above the fixing column, a second sliding hole is opened inside the fixing plate, and the puncture sleeve is slidably connected in the second sliding hole.

[0013] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: the utility model, by pushing the L-shaped rod through the first telescopic spring, so that the triangular clamping block below the L-shaped rod is clamped with the clamping slot, the circular plate and the pressing block can be fixedly connected together, and the outer surface of the pressing plate is flush with the side wall of the pressing block to prevent the connection from being loosened due to accidental touch, and after adjusting the positioning plate to an appropriate position, the puncture cannula is brought into the patient's body through the puncture needle insertion, and the sticky tape is adhered to the patient's skin to stabilize the puncture cannula, and then the pressing plate is pressed inwardly, and the pressing plate drives the L-shaped rod to move in the direction of the first telescopic spring, and the L-shaped rod drives the triangular clamping block and the clamping slot to stagger each other, so that the pressing block and the puncture needle can be pulled out, and the puncture cannula is shaken less, so that secondary injury will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0017] Figure 3 The utility model Figure 2 A in the enlarged view;

[0018] Figure 4 The utility model Figure 2 The enlarged view of point B in the figure;

[0019] In the figure: 1, puncture sleeve, 2, round plate, 3, pressing block, 4, puncture needle, 5, L-shaped groove, 6, first telescopic spring, 7, L-shaped rod, 8, triangular clamping block, 9, pressing plate, 10, clamping groove, 11, positioning plate, 12, sticky tape, 13, first limiting block, 14, first limiting groove, 15, first sliding hole, 16, first notch, 17, second telescopic spring, 18, round head clamping block, 19, semicircular groove, 20, second limiting block, 21, second limiting groove, 22, fixing column, 23, fixing plate, 24, second sliding hole. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a puncture sleeve of a puncture device, comprising a puncture sleeve 1, a circular plate 2 is fixedly connected to the top of the puncture sleeve 1, a pressing block 3 is installed above the circular plate 2, a puncture needle 4 is fixedly connected to the bottom of the pressing block 3, the puncture needle 4 is slidably connected inside the puncture sleeve 1, two L-shaped grooves 5 are symmetrically opened inside the two sides of the pressing block 3, a first telescopic spring 6 is fixedly connected to the two L-shaped grooves 5, the telescopic ends of the two first telescopic springs 6 are fixedly connected to two L-shaped rods 7, the lower ends of the two L-shaped rods 7 are fixedly connected to a triangular clamping block 8, the upper ends of the two L-shaped rods 7 are fixedly connected to a pressing plate 9, the outer surface of the pressing plate 9 is flush with the side wall of the pressing block 3, the pressing plate 9 is slidably connected in the L-shaped groove 5 and matches the size of the L-shaped groove 5, a clamping groove 10 is opened above the circular plate 2, the triangular clamping block 8 is clamped with the clamping groove 10, the outer side of the puncture sleeve 1 slides The device pushes the L-shaped rod 7 through the first telescopic spring 6, so that the triangular block 8 below the L-shaped rod 7 is engaged with the card slot 10, and the circular plate 2 and the pressing block 3 are fixedly connected together, and the outer surface of the pressing plate 9 is flush with the side wall of the pressing block 3 to prevent the connection from being loosened due to accidental touch. After adjusting the positioning plate 11 to the appropriate position, the puncture sleeve 1 is brought into the patient's body through the puncture needle 4. The sticky tape 12 is attached to the patient's skin, and the puncture sleeve 1 can be stabilized. Then, the pressing plate 9 is pressed inwardly, and the pressing plate 9 drives the L-shaped rod 7 to move in the direction of the first telescopic spring 6. The L-shaped rod 7 drives the triangular block 8 and the card slot 10 to stagger with each other, so that the pressing block 3 and the puncture needle 4 can be pulled out, and the puncture sleeve 1 is shaken less, so that no secondary injury will occur.

[0022] according to Figure 3 As shown, two first limit blocks 13 are symmetrically fixedly connected to the upper and lower ends of the pressing plate 9, and a first limit groove 14 is symmetrically opened inside the upper part of the L-shaped groove 5. The first limit block 13 is slidably connected in the first limit groove 14. The first limit block 13 and the first limit groove 14 are provided to limit the pressing plate 9.

[0023] according to Figure 4 As shown, a first sliding hole 15 is vertically opened inside the positioning plate 11, and the puncture sleeve 1 is slidably connected in the first sliding hole 15. Two first notches 16 are symmetrically opened on both sides of the first sliding hole 15. Second telescopic springs 17 are fixedly connected in the two first notches 16, and a round head block 18 is fixedly connected to the telescopic end of the second telescopic spring 17.

[0024] according to Figure 4As shown, the outer inner wall of the puncture sleeve 1 is symmetrically provided with a plurality of semicircular grooves 19, and the round head end of the round head block 18 is engaged with the semicircular groove 19. By providing a second telescopic spring 17, the second telescopic spring 17 pushes the round head block 18 to engage with the semicircular groove 19, so that the positioning plate 11 can be fixed. When adjusting the position before use, the positioning plate 11 can be directly slid to adjust it. During use, there is rarely a large unexpected pulling force to pull out or offset the puncture sleeve 1, so the round head block 18 can be fixed by engaging with the semicircular groove 19.

[0025] according to Figure 4 As shown, the second limit blocks 20 are symmetrically fixedly connected to the upper and lower sides of the round head block 18, and the second limit grooves 21 are symmetrically opened on both sides of the interior of the first notch 16. The second limit block 20 is slidably connected in the second limit groove 21. The second limit block 20 and the second limit groove 21 are provided to limit the round head block 18.

[0026] according to Figure 2 As shown, the lower end of the puncture sleeve 1 is a tapered end, and the inner size of the puncture sleeve 1 matches the size of the puncture needle 4 .

[0027] according to Figure 2 As shown, a fixing column 22 is fixedly connected to the outer side of the puncture sleeve 1 above the positioning plate 11, and a fixing plate 23 is fixedly connected to the upper side of the fixing column 22. A second sliding hole 24 is opened inside the fixing plate 23, and the puncture sleeve 1 is slidably connected in the second sliding hole 24. By providing the fixing column 22 and the fixing plate 23, the puncture sleeve 1 is supported more stably to prevent the angle of the puncture sleeve 1 from being offset when inserted.

[0028] When using the utility model, by providing a second telescopic spring 17, the second telescopic spring 17 pushes the round head block 18 to engage with the semicircular groove 19, so that the positioning plate 11 can be fixed. When adjusting the position before use, the positioning plate 11 can be directly slid for adjustment. During use, there is rarely a large accidental pulling force to pull out or offset the puncture sleeve 1. Therefore, the round head block 18 and the semicircular groove 19 can be engaged to fix it. The first telescopic spring 6 pushes the L-shaped rod 7 so that the triangular block 8 under the L-shaped rod 7 is engaged with the slot 10, so that the circular plate 2 and the pressing block 3 can be fixedly connected together. The outer surface of the pressing plate 9 is flush with the side wall of the pressing block 3 to prevent the connection from being loosened due to accidental touch. After adjusting the positioning plate 11 to the appropriate position, the puncture needle is then passed through 4 inserts and brings the puncture cannula 1 into the patient's body, and the sticky tape 12 is attached to the patient's skin to stabilize the puncture cannula 1, and then the pressing plate 9 is pressed inwardly, and the pressing plate 9 drives the L-shaped rod 7 to move in the direction of the first telescopic spring 6, and the L-shaped rod 7 drives the triangular clamping block 8 and the clamping slot 10 to stagger with each other, so that the pressing block 3 and the puncture needle 4 can be pulled out, and the puncture cannula 1 is shaken less, so that no secondary injury occurs. By providing a fixing column 22 and a fixing plate 23, the puncture cannula 1 is supported more firmly to prevent the angle of the puncture cannula 1 from being offset when it is inserted. The components of this device are all universal standard parts or components known to those skilled in the art, and its structure and principle can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A puncture sleeve of a puncture device, comprising a puncture sleeve (1), characterized in that: A circular plate (2) is fixedly connected to the top of the puncture sleeve (1), a pressing block (3) is installed on the top of the circular plate (2), a puncture needle (4) is fixedly connected to the bottom of the pressing block (3), and the puncture needle (4) is slidably connected inside the puncture sleeve (1), two L-shaped grooves (5) are symmetrically opened inside the two sides of the pressing block (3), and first telescopic springs (6) are fixedly connected in the two L-shaped grooves (5), and the telescopic ends of the two first telescopic springs (6) are fixedly connected to two L-shaped rods (7), and the lower ends of the two L-shaped rods (7) are fixedly connected to the two L-shaped rods (7). A triangular clamping block (8) is fixedly connected, and a pressing plate (9) is fixedly connected to the upper ends of the two L-shaped rods (7), and the outer surface of the pressing plate (9) is flush with the side wall of the pressing block (3). The pressing plate (9) is slidably connected in the L-shaped groove (5) and matches the size of the L-shaped groove (5). A clamping groove (10) is opened above the circular plate (2), and the triangular clamping block (8) is clamped with the clamping groove (10). A positioning plate (11) is slidably connected to the outer side of the puncture sleeve (1), and an adhesive tape (12) is pasted on the upper surface of the positioning plate (11).

2. The puncture sleeve of the puncture device according to claim 1, characterized in that: Two first limit blocks (13) are symmetrically fixedly connected to the upper and lower ends of the pressing plate (9), and a first limit groove (14) is symmetrically opened inside the upper part of the L-shaped groove (5), and the first limit block (13) is slidably connected in the first limit groove (14).

3. The puncture sleeve of the puncture device according to claim 2, characterized in that: A first sliding hole (15) is vertically opened inside the positioning plate (11), and the puncture sleeve (1) is slidably connected in the first sliding hole (15). Two first notches (16) are symmetrically opened on both sides of the first sliding hole (15), and second telescopic springs (17) are fixedly connected in the two first notches (16), and the telescopic end of the second telescopic spring (17) is fixedly connected to a round head block (18).

4. The puncture sleeve of the puncture device according to claim 3, characterized in that: The outer inner wall of the puncture sleeve (1) is symmetrically provided with a plurality of semicircular grooves (19), and the round head end of the round head clamping block (18) is clamped with the semicircular grooves (19).

5. The puncture sleeve of the puncture device according to claim 4, characterized in that: The upper and lower sides of the round head clamping block (18) are symmetrically fixedly connected to the second limit block (20), the inner sides of the first notch (16) are symmetrically provided with second limit grooves (21), and the second limit block (20) is slidably connected in the second limit grooves (21).

6. The puncture sleeve of the puncture device according to claim 5, characterized in that: The lower end of the puncture sleeve (1) is a tapered end, and the internal size of the puncture sleeve (1) matches the size of the puncture needle (4).

7. The puncture sleeve of the puncture device according to claim 6, characterized in that: A fixing column (22) is fixedly connected to the outer side of the puncture sleeve (1) above the positioning plate (11), and a fixing plate (23) is fixedly connected to the upper side of the fixing column (22). A second sliding hole (24) is formed inside the fixing plate (23), and the puncture sleeve (1) is slidably connected in the second sliding hole (24).

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