Visual puncture sampling needle

Abstract

The utility model discloses a visible puncture sampling needle, which relates to the technical field of medical sampling needles and comprises a control shell and a sampler extending into a focus, the control shell is integrally formed by semi-cylinders at two ends and a middle trapezoidal block, the inner diameters of the semi-cylinders at the two ends are unequal, the semi-cylinders are respectively connected with two ends of the trapezoidal block, and the sampler is in a slender cylinder shape. The front end part of the sampler is provided with a sampling port used for cutting and sampling a focus, and an endoscope lens convenient for visualization is embedded in the top end position of the front end part of the sampler. According to the scheme, the focus position can be directly observed, a sampling needle can conveniently go deep into the focus position for sampling, additional guiding equipment is not needed, and the operation is simple and convenient. And the endoscope lens and the sampling needle are integrated together, so that a big-end-down operation channel does not need to be established in the traditional operation process, minimally invasive operation is realized, and secondary injury to a patient is reduced.

Description

Technical Field

[0001] This utility model relates to the field of medical sampling needle technology, specifically a visual puncture sampling needle. Background Technology

[0002] In surgical treatment, accurate puncture of the lesion site or establishment of a surgical channel is crucial. Procedures such as ventricular ventricular drainage, ventriculoperitoneal shunt, and closed thoracic drainage all require precise puncture, while surgeries for brain tumors, cerebral hemorrhage, and spinal surgery require precise channel establishment. However, current puncture needles or surgical channel placement procedures are often not visualized, which can lead to surgical failure or serious collateral damage.

[0003] To avoid surgical failure due to incorrect puncture direction, doctors now typically use navigation or ultrasound guidance for visualized punctures. While this visualization allows surgeons to observe the puncture direction, location, and surrounding conditions in real time, the increased number of devices and complexity of the procedure increase the difficulty for the surgeon. Furthermore, damage to the surrounding area is unavoidable during the establishment of the surgical channel. The channel is generally established by expanding from the outside in, which can easily result in a small internal channel space and a large entrance space. Simultaneously, the channel is usually established and retracted passively through expansion and contraction, making channel retrieval difficult and prone to causing collateral damage to the surrounding area.

[0004] Therefore, it is necessary to provide a visual puncture sampling needle, which can effectively solve the problems of non-visibility during the puncture process and the easy secondary damage to the internal channel. Utility Model Content

[0005] The purpose of this invention is to provide a visual puncture sampling needle to address the shortcomings of existing technologies.

[0006] The visual puncture sampling needle includes a control shell and a sampler inserted into the lesion. The control shell is integrally formed by two semi-cylinders at both ends and a trapezoidal block in the middle. The inner diameters of the two semi-cylinders at both ends are different and are respectively connected to the two ends of the trapezoidal block. The sampler is a slender cylinder. The front end of the sampler has a sampling port for cutting and sampling at the lesion. The vertical cross-section of the sampling port is semi-circular. An endoscope lens for easy visualization is embedded at the top of the front end of the sampler.

[0007] The control housing includes a housing with the same shape in the vertical cross section as the control housing. A first inner cavity with the same shape as the housing and proportionally reduced is opened on one side of the housing. A circuit board is installed inside the first inner cavity, and the endoscope and the circuit board maintain signal transmission.

[0008] Furthermore, a wire-passing hole is formed through the interior of the sampler, extending along the sampling port to the endoscope. The wire harness structure on the endoscope extends along the wire-passing hole into the interior of the first cavity and connects to the circuit board.

[0009] Furthermore, a first cavity cover is provided on one side of the first inner cavity to block the opening of the first inner cavity, and the first cavity cover is fixed to the opening of the first inner cavity by screws.

[0010] Furthermore, a second inner cavity is formed on the side of the housing opposite to the first inner cavity, and a T-shaped block and a return spring are installed inside the second inner cavity.

[0011] Furthermore, a second cavity cover is provided on one side of the second inner cavity to block the opening of the second inner cavity. The second cavity cover is fixed to the opening of the second inner cavity by screws.

[0012] Furthermore, the rear end of the sampler passes through the housing and extends into the second inner cavity, where it connects to one end of the T-shaped block. The other end of the T-shaped block is connected to the reset spring, and the other end of the reset spring is fixedly connected to the inner wall of the second inner cavity.

[0013] Furthermore, a groove opening is provided on the surface of the second cavity cover at the position corresponding to the T-shaped block to facilitate the sliding of the T-shaped block, and the protruding part of the T-shaped block passes through the groove opening and extends to the outside of the second cavity cover.

[0014] Furthermore, a hollow cylindrical fixing sleeve is installed near the sampler on the control shell. The fixing sleeve is fixedly connected to the shell. The length of the fixing sleeve is less than the length of the sampler. The sampler passes through the fixing sleeve and extends into the second inner cavity.

[0015] Furthermore, the circuit board includes a circuit board that fits against the inner wall of the first inner cavity, and a gyroscope, switch, processor, battery, and display socket are mounted on the surface of the circuit board.

[0016] Furthermore, a laser generator is installed at the end of the housing near the fixed sleeve, and the laser generator is connected to the circuit board.

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] 1. This solution uses the cooperation of an endoscope, control shell, sampler and sampling port. Compared with the existing technology that uses navigation or ultrasound-guided visualization, the endoscope can directly observe the location of the lesion, making it convenient for the sampling needle to penetrate the lesion for sampling. No additional guidance equipment is required. Furthermore, since the endoscope and sampling needle are integrated, there is no need to create a surgical channel that is smaller at the bottom and larger at the top as in traditional surgery, thus achieving minimally invasive surgery and reducing secondary harm to the patient.

[0019] 2. This solution uses a combination of a T-shaped block, a reset spring, and a sampler. By bending the T-shaped block, the sampler is moved to cut and sample the lesion. After the sampling process is completed, the T-shaped block is reset by the reset spring, which facilitates the next sampling process. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the visual puncture sampling needle proposed in this scheme;

[0021] Figure 2 This is a schematic diagram of the internal structure of the control shell in the visual puncture sampling needle proposed in this scheme;

[0022] Figure 3 This is a schematic diagram of the structure of the first inner cavity and the internal circuit board proposed in this solution;

[0023] Figure 4 This is a schematic diagram of the second lumen cap of the visual puncture sampling needle proposed in this scheme;

[0024] Figure 5 This is a schematic diagram of the structure of the second inner cavity and the second cavity cover proposed in this scheme;

[0025] Figure 6 This is a schematic diagram of the internal structure of the second inner cavity proposed in this scheme;

[0026] Figure 7 This is a schematic diagram of the sampler, T-block, and reset spring connected as a whole in this solution.

[0027] Figure 8 This is a schematic diagram of the sampling port and T-shaped block on the sampler proposed in this scheme.

[0028] Reference numerals: 1. Control housing; 2. Sampler; 3. Sampling port; 4. T-block; 5. Return spring; 6. Circuit board; 7. Fixing sleeve; 8. Endoscope; 9. Wire hole; 10. Laser generator;

[0029] 11. Shell; 12. First inner cavity; 13. First cavity cover; 14. Second inner cavity; 15. Second cavity cover; 151. Slide opening;

[0030] 61. Circuit board; 62. Gyroscope; 63. Switch; 64. Processor; 65. Battery; 66. Display socket. Detailed Implementation

[0031] This embodiment provides a visual puncture sampling needle, as shown in the instruction manual. Figure 1-8 As shown, it includes an approximately elliptical control shell 1 and a sampler 2 extending from one end of the control shell 1 into the lesion. The front end of the sampler 2 has a sampling port 3 for cutting and sampling the lesion. The vertical cross-section of the sampling port 3 is semi-circular. An endoscope 8 for easy visualization is embedded at the top of the front end of the sampler 2. The endoscope 8 can be a lens commonly used in the field. The control shell 1 is integrally formed by two semi-cylinders at both ends and a trapezoidal block in the middle. The inner diameters of the two semi-cylinders at both ends are different and are respectively connected to the two ends of the trapezoidal block. The shape of the front end being smaller and the rear end being larger makes it easy for the user to hold. The sampler 2 is a slender cylinder.

[0032] The control housing 1 includes a housing 11 that is approximately elliptical in shape. Cavities are opened on both sides of the housing 11. The cavities on both sides are a first inner cavity 12 and a second inner cavity 14, respectively. A first cavity cover 13 is provided on one side of the first inner cavity 12 to cover the opening of the first inner cavity 12 and is fixed with screws to fix the first cavity cover 13 to the outside of the first inner cavity 12. A circuit board 6 for controlling the endoscope lens 8 is installed inside the first inner cavity 12.

[0033] A second cavity cover 15 is installed outside the second inner cavity 14 to cover the second inner cavity 14 and is fixed with screws. Inside the second inner cavity 14, T-shaped blocks 4 and reset springs 5 ​​are installed in sequence. One end of the sampler 2 passes through the housing 11 and extends into the second inner cavity 14 and is connected to one end of the T-shaped block 4. One end of the reset spring 5 is fixedly connected to the inner cavity of the second inner cavity 14. When the doctor pries the T-shaped block 4, the T-shaped block 4 squeezes the reset spring 5, and at the same time drives the sampler 2 to slide towards the control housing 1. The sampling port 3 at the end of the sampler 2 moves towards the control housing 1, thereby cutting the lesion and completing the sampling process.

[0034] The endoscope 8 is installed at the top of the front end of the sampler 2, which facilitates visualization when the sampler 2 is inserted into the lesion and cuts the lesion through the sampling port 3. The sampler 2 has a wire hole 9 inside, and the wires such as the electrical wires and signal transmission wires connected to the sampling port 3 extend along the wire hole 9 to the control housing 1 and connect to the circuit board 6. The sampling port 3 transmits the video signal to the circuit board 6. The processor 64 in the circuit board 6 processes the video signal and transmits it to the display end through the Bluetooth signal generator. The display screen is plugged into the display socket 66, which facilitates the doctor's visualization operation.

[0035] Please refer to the instruction manual attached. Figure 3The circuit board 6 in this embodiment is described in detail below: The circuit board 6 includes a circuit board 61 attached to the inner wall of the first inner cavity 12. A gyroscope 62, a switch 63, a processor 64, a battery 65, and a display screen socket 66 are mounted on the surface of the circuit board 61. The shape of the circuit board 61 is similar to that of the inner cavity of the first inner cavity 12, and it is an integrally formed semi-circular part with one end larger than the other and a trapezoidal plate in the middle. Here, we can refer to the relevant structure on the circuit board in the applicant's earlier application: A Medical Laser Protractor Publication No. CN219306958U. Since the circuit board 6 in this application is also used for opening and closing the endoscope lens 8 and the laser generator 10, and the circuit board structure in the applicant's earlier application: A Medical Laser Protractor Publication No. CN219306958U is also used for laser switching, the circuit board structure can be shared. Therefore, this circuit board structure is also used in this application.

[0036] Please refer to the instruction manual attached. Figure 4-7 The sampling process of sampling port 3 in this embodiment is described in detail: the end of the control shell 1 is also connected to the fixed sleeve 7. The inner diameter of the fixed sleeve 7 is larger than the outer diameter of the sampler 2. After the sampler 2 passes through the fixed sleeve 7, it extends into the second inner cavity 14 and connects with the T-shaped block 4. The surface of the second cavity cover 15 is also provided with a sliding groove opening 151 corresponding to the position of the T-shaped block 4, so that the protruding part of the T-shaped block 4 can pass through the sliding groove opening 151 and slide in the sliding groove opening 151. When the sampler is used to sample the lesion, the fixed sleeve 7 is also inserted into the lesion. When the T-shaped block 4 is bent, the fixed sleeve 7 is in a different position at the lesion. The T-shaped block 4 drives the sampler 2 to move, so that the sampling port 3 cuts the lesion.

[0037] Continue to refer to the instruction manual appendix Figure 4-7 Normally, the protruding part of the T-shaped block 4 passes through the groove opening 151 on the surface of the second cavity cover 15 and rests on one side of the groove opening 151. When the doctor uses this sampling needle, the sampler 2 is extended along the surgical field window to the lesion location. Then, the T-shaped block 4 is bent to move the T-shaped block 4 to the other side of the groove opening 151. At this time, the T-shaped block 4 drives the sampler 2 to move along the fixed sleeve 7 into the control shell 1. The sampling port 3 at the end of the sampler 2 cuts at the lesion location, thereby removing the tissue at the lesion location. The tissue will hang at the sampling port 3 and will not fall off. Then, while keeping the T-shaped block 4 bent, the sampling needle is removed, completing the sampling process at the lesion location.

[0038] Afterwards, release T-block 4. T-block 4 will reset under the elastic action of reset spring 5, making it easier for the next sampling operation.

[0039] Please refer to the instruction manual attached. Figure 8In this embodiment, the sampler 2 is threaded to the end of the T-block 4, and the length of the sampler 2 is greater than the length of the fixed sleeve 7. The fixed sleeve 7 is fixed to the end of the control shell 1, which facilitates the sampler 2 to slide inside the fixed sleeve 7.

[0040] Please refer to the instruction manual attached. Figure 3 In this embodiment, a laser generator 10 is also installed at the end of the control shell 1 near the fixed sleeve 7 on one side of the fixed sleeve 7. The laser generator 10 is connected to the circuit board 6 inside the first inner cavity 12. The circuit board 6 controls the opening and closing of the laser generator 10, thereby understanding the depth of the sampling needle into the lesion and the sampling length.

[0041] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A visual puncture sampling needle, comprising a control shell (1) and a sampler (2) inserted into the lesion, wherein the control shell (1) is integrally formed of two semi-cylinders at both ends and a trapezoidal block in the middle, the inner diameters of the two semi-cylinders at both ends are different and are respectively connected to the two ends of the trapezoidal block, and the sampler (2) is a slender cylindrical shape, characterized in that: The front end of the sampler (2) is provided with a sampling port (3) for cutting and sampling the lesion. The vertical cross-sectional shape of the sampling port (3) is semi-circular. An endoscope (8) for easy visualization is embedded at the top of the front end of the sampler (2). The control housing (1) includes a housing (11), the housing (11) and the control housing (1) have the same shape in the vertical section. A first inner cavity (12) with the same shape as the housing (11) and proportionally reduced is opened on one side of the housing (11). A circuit board (6) is installed inside the first inner cavity (12). The endoscope (8) and the circuit board (6) maintain signal transmission.

2. The visual puncture sampling needle according to claim 1, characterized in that: The sampler (2) has a through hole (9) inside, which extends along the sampling port (3) to the endoscope (8). The wire harness structure on the endoscope (8) extends along the through hole (9) to the inside of the first inner cavity (12) and connects to the circuit board (6).

3. The visual puncture sampling needle according to claim 1, characterized in that: A first cavity cover (13) is provided on one side of the first inner cavity (12) to cover the opening of the first inner cavity (12). The first cavity cover (13) is fixed to the opening of the first inner cavity (12) by screws.

4. The visual puncture sampling needle according to any one of claims 1-3, characterized in that: The housing (11) has a second inner cavity (14) on the side opposite to the first inner cavity (12), and a T-shaped block (4) and a return spring (5) connected to each other are installed inside the second inner cavity (14).

5. The visual puncture sampling needle according to claim 4, characterized in that: A second cavity cover (15) is provided on one side of the second inner cavity (14) to block the opening of the second inner cavity (14). The second cavity cover (15) is fixed to the opening of the second inner cavity (14) by screws.

6. The visual puncture sampling needle according to claim 5, characterized in that: The rear end of the sampler (2) passes through the housing (11) and extends into the second inner cavity (14) and is connected to one end of the T-shaped block (4). The other end of the T-shaped block (4) is connected to the reset spring (5), and the other end of the reset spring (5) is fixedly connected to the inner wall of the second inner cavity (14).

7. The visual puncture sampling needle according to claim 6, characterized in that: The surface of the second cavity cover (15) is provided with a groove opening (151) at the position corresponding to the T-shaped block (4) to facilitate the sliding of the T-shaped block (4). The protruding part of the T-shaped block (4) passes through the groove opening (151) and extends to the outside of the second cavity cover (15).

8. The visual puncture sampling needle according to claim 7, characterized in that: A hollow cylindrical fixing sleeve (7) is also installed near the sampler (2) on the control shell (1). The fixing sleeve (7) is fixedly connected to the shell (11). The length of the fixing sleeve (7) is less than the length of the sampler (2). The sampler (2) passes through the fixing sleeve (7) and extends into the second inner cavity (14).

9. The visual puncture sampling needle according to claim 1, characterized in that: The circuit board (6) includes a circuit board (61) that fits against the inner wall of the first inner cavity (12), and a gyroscope (62), a switch (63), a processor (64), a battery (65), and a display socket (66) are mounted on the surface of the circuit board (61).

10. The visual puncture sampling needle according to claim 9, characterized in that: A laser generator (10) is also installed at the end of the housing (11) near the fixed sleeve (7), and the laser generator (10) is connected to the circuit board (6).

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