Chest puncture device

Abstract

The utility model provides a chest puncture device, which belongs to the technical field of chest puncture and comprises a positioning frame and a positioning block, a bottom piece is arranged at the bottom of the positioning frame, an adhesive sticker is arranged on the bottom surface of the bottom piece, and a positioning hole for inserting a needle tube is formed in the center of the positioning block. Driving mechanisms used for driving the positioning block to move transversely and longitudinally are arranged on the two adjacent sides of the surface of the positioning frame, the two driving mechanisms are arranged in a staggered mode in the horizontal direction, each driving mechanism comprises a fixing block arranged on the side wall of the positioning block, a through hole is formed in the center of each fixing block, and a guide rod is arranged in the through hole of each fixing block in a penetrating mode; the cross section of the guide rod is matched with the cross section of the through hole of the fixing block, a connecting block is arranged at one end of the guide rod, a guide block is fixed to the end of the connecting block, a guide groove is formed in the position, corresponding to the guide block, of the inner wall of the positioning frame, and the guide block is arranged in the guide groove in a sliding mode. The needle tube can be limited and prevented from being misplaced, and potential safety hazards are greatly reduced.

Description

Technical Field

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

[0002] Thoracentesis refers to the operation of using a sterilized needle to puncture the skin, intercostal tissue, and parietal pleura to enter the pleural cavity. In the clinical work of pulmonary medicine, thoracentesis is a common, convenient and simple diagnostic and treatment method. However, most of the existing chest puncture technologies rely on the doctor's experience to insert the needle into the patient's chest cavity. Due to the lack of a limiting mechanism for the needle, the needle may be deflected and misplaced, which poses certain safety hazards. Utility Model Content

[0003] In view of this, the utility model provides a chest puncture device, which can limit the position of the needle tube to prevent the needle tube from being misplaced, thereby greatly reducing safety hazards.

[0004] In order to solve the above technical problems, the utility model provides a chest puncture device, including a positioning frame and a positioning block, a bottom film is arranged at the bottom of the positioning frame, and an adhesive patch is arranged on the bottom surface of the bottom film, a positioning hole for inserting a needle tube is opened in the center of the positioning block, and driving mechanisms for driving the positioning block to move horizontally and longitudinally are arranged on both adjacent sides of the surface of the positioning frame, and the two driving mechanisms are staggered in the horizontal direction, and the driving mechanism includes a fixed block arranged on the side wall of the positioning block, a through hole is opened in the center of the fixed block, a guide rod is arranged through the through hole of the fixed block, and the cross section of the guide rod is matched with the cross section of the through hole of the fixed block, a connecting block is arranged at one end of the guide rod, and the guide block is fixed at the end of the connecting block, and a guide groove is opened on the inner wall of the positioning frame corresponding to the position of the guide block, and the guide block is slidably arranged in the guide groove. When the staff performs puncture When working, first mark the position of the patient to be punctured, then stick the positioning frame to the approximate position of the mark, so that the mark is in the positioning frame, and the adhesive patch at the bottom of the film sticks to the patient's skin to prevent the positioning frame from falling off, and then move the positioning block. When the positioning block moves horizontally, the positioning block drives the fixed block to slide on the surface of the horizontal guide rod. At the same time, the positioning block drives another fixed block and the longitudinal guide rod to move synchronously, so that the longitudinal guide rod drives the guide block to slide in the horizontal guide groove. Similarly, the staff can use the same operation to move the positioning block longitudinally, thereby adjusting the positioning block to the marked position through horizontal and longitudinal movements, so that the staff can insert the needle tube through the positioning hole in the center of the positioning block to the marked position, and limit the needle tube through the positioning hole in the center of the positioning block to prevent the needle tube from being misplaced, greatly reducing safety hazards.

[0005] A T-shaped slider is arranged at the other end of the guide rod, and a T-shaped slide groove is opened on the inner wall of the positioning frame corresponding to the position of the T-shaped slider. The T-shaped slider is slidably arranged in the T-shaped slide groove. The T-shaped slider can make the movement process of the guide rod and the positioning block more stable and prevent the positioning block from tilting.

[0006] A positioning mechanism for limiting the positioning block is provided at one end of the guide block, the positioning mechanism includes a connecting plate arranged at one end of the guide block, a through groove is opened on the outer wall of the positioning frame corresponding to the position of the connecting plate, and the through groove extends into the guide groove, the connecting plate is slidably arranged in the through groove of the positioning frame, a fixing plate is provided at the end of the connecting plate, a threaded through hole is opened at the center of the fixing plate, a bolt is threadedly connected in the threaded through hole of the fixing plate, a handle is fixed at the end of the bolt, when the positioning block is adjusted to the specified position, the two handles are rotated so that the handles drive the bolt to move toward the outer surface of the positioning frame, and the friction force is increased by squeezing the surface of the positioning frame by the end of the bolt, thereby limiting the guide rod and the positioning block.

[0007] The handle surface is provided with anti-slip threads to prevent hands from slipping.

[0008] A rubber pad is arranged on the outer surface of the positioning frame and at a position corresponding to the end of the bolt, and the rubber pad improves the friction force between the end of the bolt and the surface of the positioning frame.

[0009] A serration structure is provided at one end of the bolt facing the rubber pad, and the serration structure can further increase friction and improve stability.

[0010] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0011] 1. When the utility model is used, when the staff performs the puncture work, they first mark the position of the patient to be punctured, and then fit the positioning frame to the approximate position of the mark so that the mark is in the positioning frame, and the adhesive patch at the bottom of the film adheres to the patient's skin to prevent the positioning frame from falling off, and then move the positioning block. When the positioning block moves horizontally, the positioning block drives the fixed block to slide on the surface of the horizontal guide rod. At the same time, the positioning block drives another fixed block and the longitudinal guide rod to move synchronously, so that the longitudinal guide rod drives the guide block to slide in the horizontal guide groove. Similarly, the staff can use the same operation to move the positioning block longitudinally, thereby adjusting the positioning block to the marked position through horizontal and longitudinal movements, so that the staff can insert the needle tube through the positioning hole in the center of the positioning block to the marked position, and limit the needle tube through the positioning hole in the center of the positioning block to prevent the needle tube from being misplaced, thereby greatly reducing safety hazards.

[0012] 2. When the utility model is used, the T-shaped slider can make the movement process of the guide rod and the positioning block more stable and prevent the positioning block from tilting.

[0013] 3. When the utility model is used, after the positioning block is adjusted to the specified position, the two handles are rotated so that the handles drive the bolts to move toward the outer surface of the positioning frame, and the friction force is increased by squeezing the surface of the positioning frame by the ends of the bolts, thereby limiting the guide rod and the positioning block.

[0014] 4. When the utility model is used, a rubber pad is arranged on the outer surface of the positioning frame and at a position corresponding to the end of the bolt, and the rubber pad increases the friction between the end of the bolt and the surface of the positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the internal structure of the driving mechanism of the utility model;

[0017] Figure 3 It is a side sectional view of the positioning mechanism of the utility model;

[0018] Explanation of the reference numerals: 100, positioning frame; 101, negative film; 200, positioning block; 300, driving mechanism; 301, fixing block; 302, guide rod; 303, connecting block; 304, guide groove; 305, guide block; 306, T-shaped slider; 307, T-shaped slide groove; 400, connecting plate; 401, fixing plate; 402, bolt; 403, handle; 404, rubber pad. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] According to one embodiment of the utility model, Figure 1 and Figure 2As shown: This embodiment provides a chest puncture device, including a positioning frame 100 and a positioning block 200, a bottom film 101 is arranged at the bottom of the positioning frame 100, and an adhesive patch is arranged on the bottom surface of the bottom film 101, a positioning hole for inserting a needle tube is opened in the center of the positioning block 200, and two adjacent sides of the surface of the positioning frame 100 are arranged with a driving mechanism 300 for driving the positioning block 200 to move horizontally and vertically, and the two driving mechanisms 300 are arranged in a horizontal direction. The driving mechanism 300 includes a fixed block 301 arranged on the side wall of the positioning block 200, and a through hole is opened in the center of the fixed block 301. A guide rod 302 is provided through the through hole of the fixed block 301, and the cross section of the guide rod 302 is adapted to the cross section of the through hole of the fixed block 301. A connecting block 303 is provided at one end of the guide rod 302, and a guide block 305 is fixed at the end of the connecting block 303. A guide groove 304 is provided on the inner wall of the positioning frame 100 corresponding to the position of the guide block 305. The guide block 305 is slidably arranged in the guide groove 304. When the staff performs the puncture work, the position of the patient to be punctured is first marked, and then the positioning frame 100 is attached to the approximate position of the mark so that the mark is in the positioning frame 100. , the adhesive patch at the bottom of the bottom film 101 adheres to the patient's skin to prevent the positioning frame 100 from falling, and then the positioning block 200 is moved. When the positioning block 200 moves horizontally, the positioning block 200 drives the fixed block 301 to slide on the surface of the horizontal guide rod 302. At the same time, the positioning block 200 drives another fixed block 301 and the longitudinal guide rod 302 to move synchronously, so that the longitudinal guide rod 302 drives the guide block 305 to slide in the horizontal guide groove 304. Similarly, the staff can use the same operation to move the positioning block 200 longitudinally, so as to adjust the positioning block 200 by horizontal and longitudinal movement. Adjust to the marked position, so that the staff can insert the needle tube through the positioning hole in the center of the positioning block 200 to the marked position, and limit the needle tube through the positioning hole in the center of the positioning block 200 to prevent the needle tube from being misplaced, thereby greatly reducing safety hazards; a T-shaped slider 306 is provided at the other end of the guide rod 302, and a T-shaped slide groove 307 is provided on the inner wall of the positioning frame 100 corresponding to the position of the T-shaped slider 306. The T-shaped slider 306 is slidably arranged in the T-shaped slide groove 307. The T-shaped slider 306 can make the movement process of the guide rod 302 and the positioning block 200 more stable, thereby preventing the positioning block 200 from being skewed;

[0021] According to another embodiment of the present invention, Figure 2 and Figure 3As shown, a positioning mechanism for limiting the positioning block 200 is provided at one end of the guide block 305, and the positioning mechanism includes a connecting plate 400 arranged at one end of the guide block 305, and a through groove is provided on the outer wall of the positioning frame 100 corresponding to the position of the connecting plate 400, and the through groove extends into the guide groove 304, and the connecting plate 400 is slidably arranged in the through groove of the positioning frame 100, and a fixing plate 401 is provided at the end of the connecting plate 400, and a threaded through hole is provided in the center of the fixing plate 401, and a bolt 402 is threadedly connected in the threaded through hole of the fixing plate 401, and a handle 403 is fixed at the end of the bolt 402. When the positioning block 200 is adjusted to the specified position, The two handles 403 are rotated so that the handles 403 drive the bolts 402 to move toward the outer surface of the positioning frame 100, and the friction force is increased by squeezing the end of the bolt 402 against the surface of the positioning frame 100, thereby limiting the guide rod 302 and the positioning block 200; the surface of the handle 403 is provided with anti-slip threads to prevent human hands from slipping; a rubber pad 404 is provided on the outer surface of the positioning frame 100 and at a position corresponding to the end of the bolt 402, and the rubber pad 404 increases the friction force of the end of the bolt 402 against the surface of the positioning frame 100; a serrated structure is provided at one end of the bolt 402 facing the rubber pad 404, and the serrated structure can further increase the friction force and improve stability.

[0022] The use of this utility model:

[0023] When the staff performs the puncture work, they first mark the position of the patient to be punctured, and then fit the positioning frame 100 to the approximate position of the mark so that the mark is in the positioning frame 100. The adhesive patch at the bottom of the bottom film 101 adheres to the patient's skin to prevent the positioning frame 100 from falling. Then move the positioning block 200. When the positioning block 200 moves horizontally, the positioning block 200 drives the fixed block 301 to slide on the surface of the horizontal guide rod 302. At the same time, the positioning block 200 drives another fixed block 301 and the longitudinal guide rod 302 to move synchronously, so that the longitudinal guide rod 302 drives the guide block 305 to slide in the horizontal guide groove 304. Similarly, the staff can The same operation can be used to move the positioning block 200 longitudinally, so that the positioning block 200 can be adjusted to the marked position through lateral and longitudinal movement. When the positioning block 200 is adjusted to the specified position, the two handles 403 are turned to make the handles 403 drive the bolts 402 to move toward the outer surface of the positioning frame 100, and the friction force is increased by squeezing the surface of the positioning frame 100 by the end of the bolt 402, so as to limit the guide rod 302 and the positioning block 200. Then the staff can insert the needle tube through the positioning hole in the center of the positioning block 200 to the marked position, and limit the needle tube through the positioning hole in the center of the positioning block 200 to prevent the needle tube from being misplaced, thereby greatly reducing safety hazards.

[0024] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A chest puncture device, comprising a positioning frame (100) and a positioning block (200), wherein a bottom film (101) is arranged at the bottom of the positioning frame (100), and an adhesive patch is arranged on the bottom surface of the bottom film (101), and a positioning hole for inserting a needle tube is opened at the center of the positioning block (200); characterized in that: A driving mechanism (300) for driving the positioning block (200) to move horizontally and vertically is arranged on both adjacent sides of the surface of the positioning frame (100), and the two driving mechanisms (300) are arranged alternately in the horizontal direction. The driving mechanism (300) comprises a fixed block (301) arranged on the side wall of the positioning block (200), a through hole is opened at the center of the fixed block (301), a guide rod (302) is arranged through the through hole of the fixed block (301), and the cross section of the guide rod (302) is matched with the cross section of the through hole of the fixed block (301), a connecting block (303) is arranged at one end of the guide rod (302), and a guide block (305) is fixed at the end of the connecting block (303), and a guide groove (304) is opened on the inner wall of the positioning frame (100) and corresponds to the position of the guide block (305), and the guide block (305) is slidably arranged in the guide groove (304).

2. A chest puncture device according to claim 1, characterized in that: The other end of the guide rod (302) is provided with a T-shaped sliding block (306), and the inner wall of the positioning frame (100) is provided with a T-shaped sliding groove (307) corresponding to the position of the T-shaped sliding block (306), and the T-shaped sliding block (306) is slidably arranged in the T-shaped sliding groove (307).

3. A chest puncture device according to claim 1, characterized in that: A positioning mechanism for limiting the positioning block (200) is provided at one end of the guide block (305), and the positioning mechanism includes a connecting plate (400) arranged at one end of the guide block (305); a through groove is provided on the outer wall of the positioning frame (100) and corresponds to the position of the connecting plate (400), and the through groove extends into the guide groove (304); the connecting plate (400) is slidably arranged in the through groove of the positioning frame (100); a fixing plate (401) is provided at the end of the connecting plate (400); a threaded through hole is provided at the center of the fixing plate (401); a bolt (402) is threadedly connected in the threaded through hole of the fixing plate (401), and a handle (403) is fixed to the end of the bolt (402).

4. A chest puncture device according to claim 3, characterized in that: The surface of the handle (403) is provided with anti-slip threads.

5. A chest puncture device according to claim 1, characterized in that: A rubber pad (404) is provided on the outer surface of the positioning frame (100) at a position corresponding to the end of the bolt (402).

6. A chest puncture device according to claim 3, characterized in that: One end of the bolt (402) facing the rubber pad (404) is provided with a serration structure.

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