Auxiliary insertion assembly for medical intervention puncture needle
By designing a medical interventional puncture needle assisted insertion assembly using a sliding connection and a threaded connection, the high cost and inconvenience caused by the use of multiple sets of power-on equipment in the prior art is solved, and the fast and accurate support column height is achieved The precise movement of the adjustment and puncture components is suitable for people of different body sizes and improves stability and accuracy.
Patent Information
- Application Number
- CN202420802881.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing medical interventional puncture needle assisting devices require multiple sets of power-on equipment when adjusting the position of the auxiliary bracket, resulting in high cost of use and inconvenient operation.
A medical interventional puncture needle auxiliary insertion assembly is designed, and an adjustment mechanism is adopted for sliding connection and threaded connection. The rotating rod and screw are driven by the forward and reverse motor to achieve rapid and accurate adjustment of the height of the support column, and the rolling connection between the moving assembly and the ball is carried out. , realize accurate movement and adjustment of the puncture assembly.
It reduces the cost of using the device, simplifies the operation process, can be suitable for people of different body types, and improves the stability and accuracy of the puncture assembly.
Smart Images

Figure CN222467051U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to an auxiliary insertion component for a medical interventional puncture needle. Background Art
[0002] During routine clinical examinations, such as abnormal shadows in the chest during a lung CT scan, or abnormal echoes in the liver during an abdominal ultrasound, the cause of the abnormal pathology cannot be determined, and it is impossible to determine whether the tumor is benign or malignant. A puncture examination is required, which is to take a little tissue for pathological examination to help determine whether the tumor is benign or malignant.
[0003] Publication No. CN116158819A discloses an auxiliary device for tumor intervention that is convenient for adjusting the puncture depth of a puncture needle. The device drives the motor at the bottom end of multiple sets of second gears to rotate the second gears. During the rotation, the multiple sets of second gears drive the first gears to move left and right between fixed brackets, thereby adjusting the left and right distance of the puncture needle. The motor at the bottom end of the driving screw is then used to clamp the second clamping plate and the first clamping plate at both ends of the CT machine, so that the invention can be fixed on the outer surface of the CT machine. The electric telescopic rod is then driven to adjust the position of the invention up and down, so that the invention can be suitable for people of different body shapes. However, the following problems still exist in the actual use of the patent:
[0004] The device drives the electric telescopic rod so that the position of the invention can be adjusted up and down, thereby making the invention suitable for people of different body shapes. However, the adjustment of the auxiliary bracket by the device requires the use of multiple sets of powered devices, which greatly increases the use cost of the device and brings inconvenience to the staff when using it.
[0005] An auxiliary insertion assembly for a medical interventional puncture needle is proposed to solve the above-mentioned problems. Utility Model Content
[0006] The purpose of the utility model is to provide an auxiliary insertion assembly for a medical interventional puncture needle, so as to solve the problem proposed in the above-mentioned background technology that the position of the invention can be adjusted up and down by driving an electric telescopic rod, so that the invention can be suitable for people of different body shapes, but the device needs to use multiple sets of powered devices to adjust the auxiliary bracket, which greatly increases the use cost of the device and brings inconvenience to the staff when using it.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary insertion assembly for a medical interventional puncture needle, comprising a support column, a top plate is installed between the top ends of the support column, and a puncture assembly is arranged on one side of the top plate; an adjustment mechanism is arranged inside the support column, and a moving assembly is arranged inside the top plate;
[0008] Wherein, the adjusting mechanism includes a support rod slidably connected to the inside of the bottom end of the support column, and a screw is rotatably connected to the inside of the top end of the support column, and a threaded groove is opened inside the top end of the support rod, and the screw and the threaded groove are threadedly connected, and a mounting box is fixedly connected to the top end of the support column, and a rotating rod is rotatably connected between the mounting boxes, and a forward and reverse motor is installed at one end of the rotating rod, and first rotating teeth are symmetrically installed on the outer sides of both ends of the rotating rod, and a second rotating tooth is installed at the top end of the screw, and the first rotating tooth and the second rotating tooth are meshingly connected, and a first scale is installed on one side of the support column, and a first pointer is installed on one side of the top end of the support rod, and one end of the first pointer passes through the support column for sliding connection.
[0009] Preferably, the bottom end of the support rod is fixedly connected to a splint, and a spiral rod is threadedly connected to one side of the top end of the splint, and an extrusion plate is fixedly connected to the bottom end of the spiral rod, and a rubber block is arranged on the inner side of the bottom end of the splint, and a telescopic spring is arranged inside the bottom end of the threaded groove.
[0010] Preferably, the moving component includes a mounting groove opened on one side of the top plate, and a sliding rod is fixedly connected to the inside of the mounting groove, and a sliding sleeve is slidably connected to the outside of the sliding rod, and a mounting block is fixedly connected to one side of the sliding sleeve, and the puncture component is fixedly connected to the inside of the mounting block, and a second scale is installed on one side of the top end of the top plate, and a second pointer is symmetrically installed on one side of the mounting block.
[0011] Preferably, a ball is rollingly connected inside one side of the slide rod, and the ball is rollingly connected to the inner side of the slide sleeve.
[0012] Preferably, a fixing knob is fixedly connected between the mounting block and the top plate.
[0013] Preferably, one side of the installation box is fixedly connected to the top plate, and the top end of the screw rod passes through the installation box and is rotatably connected.
[0014] Preferably, one side of the mounting block is snap-fitted and slidably connected to the mounting groove.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the auxiliary insertion assembly for a medical interventional puncture needle is specifically described as follows: by starting the forward and reverse motor to drive the rotation of the rotating rod, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, at which time the screw rod is threadedly connected to the thread groove, so that the support rod slides inside the bottom end of the support column, and the staff observes the first scale and the first pointer, so as to achieve the effect of quickly and accurately adjusting the height of the two groups of support columns, which is lower than the prior art method of using multiple groups of powered devices, can meet the use of people of different body shapes, and can support the puncture assembly, so that the puncture assembly is more stable during puncture, by sliding the mounting block inside the mounting groove, the sleeve slides on the slide rod, so that the ball is rollingly connected to the inner side of the sleeve, and the staff observes the second pointer and the second scale, so as to achieve the effect of accurately adjusting the movement of the puncture assembly, which is convenient for the staff to adjust the puncture assembly according to the puncture site required by the patient, the operation is simple and convenient, and the use cost of the device can be further reduced.
[0016] 1. By starting the forward and reverse motors to drive the rotation of the rotating rod, the rotation of the rotating rod drives the rotation of the first rotating tooth, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, and the rotation of the second rotating tooth drives the two sets of screws to rotate synchronously in the same direction. At this time, the screw is threadedly connected to the thread groove, so that the support rod slides inside the bottom end of the support column. At this time, the staff observes the first scale and the first pointer, so that the effect of quickly and accurately adjusting the height of the two sets of support columns can be achieved. Compared with the method of using multiple sets of powered equipment in the prior art, the use cost is lower, it can meet the use of people of different body shapes, and it can support the puncture assembly, so that the puncture assembly is more stable during puncture. By sliding the splint into the two ends of the CT machine, and then driving the movement of the extrusion plate by rotating the spiral rod, the two sides of the CT machine are squeezed and fixed by the extrusion plate and the rubber block, the effect of adjusting the movement of the puncture assembly can be achieved, and the adjusted splint can be fixed and limited, thereby further improving the stability of the device;
[0017] 2. By sliding the mounting block inside the mounting groove, the sleeve slides on the slide rod, so that the ball is rollingly connected to the inner side of the sleeve. At this time, the movement of the mounting block drives the movement of the puncture assembly and the second pointer. The staff observes the second pointer and the second scale to achieve the effect of accurately adjusting the movement of the puncture assembly, which is convenient for the staff to adjust the puncture assembly according to the puncture site required by the patient. The operation is simple and convenient, which can further reduce the use cost of the device and bring convenience to the staff when using it. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2This is a schematic diagram of the overall reverse structure of the utility model;
[0020] Figure 3 It is a partial enlarged structural diagram of the adjustment mechanism in the utility model;
[0021] Figure 4 It is a schematic diagram of the enlarged structure of part A in the utility model;
[0022] Figure 5 It is a schematic diagram of the overall enlarged structure of the splint in the utility model.
[0023] In the figure: 1. support column; 101. top plate; 102. puncture assembly; 2. adjustment mechanism; 201. support rod; 202. screw rod; 203. threaded groove; 204. mounting box; 205. rotating rod; 206. forward and reverse motor; 207. first rotating tooth; 208. second rotating tooth; 209. first scale; 210. first pointer; 211. splint; 212. screw rod; 213. extrusion plate; 214. rubber block; 215. telescopic spring; 3. moving assembly; 301. mounting groove; 302. sliding rod; 303. sliding sleeve; 304. mounting block; 305. second scale; 306. second pointer; 307. ball bearing; 308. fixing knob. DETAILED DESCRIPTION
[0024] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0025] See also Figure 1-5 The utility model provides a technical solution: an auxiliary insertion assembly for a medical interventional puncture needle, comprising a support column 1, a top plate 101 is installed between the top ends of the support column 1, and a puncture assembly 102 is arranged on one side of the top plate 101; an adjustment mechanism 2 is arranged inside the support column 1, and a moving assembly 3 is arranged inside the top plate 101;
[0026] The adjusting mechanism 2 includes a support rod 201 slidably connected to the bottom end of the support column 1, and a screw rod 202 is rotatably connected to the top end of the support column 1, and a threaded groove 203 is provided inside the top end of the support rod 201, and the screw rod 202 is threadedly connected to the threaded groove 203, and the top end of the support column 1 is fixedly connected to a mounting box 204, one side of the mounting box 204 is fixedly connected to the top plate 101, and the top end of the screw rod 202 penetrates the mounting box 204 and is rotatably connected, and a rotating rod 205 is rotatably connected between the mounting boxes 204, and a forward and reverse motor 206 is installed at one end of the rotating rod 205, and a first motor 206 is symmetrically installed on the outer sides of both ends of the rotating rod 205. The first rotating tooth 207 is provided, and the top of the screw rod 202 is provided with a second rotating tooth 208, and the first rotating tooth 207 and the second rotating tooth 208 are meshedly connected, and a first scale 209 is provided on one side of the support column 1, and a first pointer 210 is provided on one side of the top of the support rod 201, and one end of the first pointer 210 penetrates the support column 1 for sliding connection, so that the effect of quickly and accurately adjusting the height of the two groups of support columns 1 can be achieved, which is lower in cost than the method of using multiple groups of powered devices in the prior art, can meet the use of people of different body shapes, and can support the puncture assembly 102, so that the puncture assembly 102 is more stable when puncturing;
[0027] The bottom end of the support rod 201 is fixedly connected with a clamping plate 211, and a spiral rod 212 is threadedly connected to one side of the top end of the clamping plate 211, and the bottom end of the spiral rod 212 is fixedly connected with an extrusion plate 213, and a rubber block 214 is arranged on the inner side of the bottom end of the clamping plate 211, and a telescopic spring 215 is arranged inside the bottom end of the threaded groove 203. The movement of the extrusion plate 213 is driven by rotating the spiral rod 212. At this time, both sides of the CT machine are squeezed and fixed by the extrusion plate 213 and the rubber block 214, which can achieve the effect of adjusting the movement of the puncture component 102, and the adjusted clamping plate 211 can be fixed and limited, thereby further improving the stability of the device. Through the design of the telescopic spring 215, the support rod 201 can be assisted to slide inside the support column 1.
[0028] The moving component 3 includes a mounting groove 301 opened on one side of the top plate 101, and a slide rod 302 is fixedly connected inside the mounting groove 301, and a sliding sleeve 303 is slidably connected to the outside of the sliding rod 302, and a mounting block 304 is fixedly connected to one side of the sliding sleeve 303, and the puncture component 102 is fixedly connected to the inside of the mounting block 304, one side of the mounting block 304 is engaged and slidably connected with the mounting groove 301, and a second scale 305 is installed on one side of the top of the top plate 101, and a second pointer 306 is symmetrically installed on one side of the mounting block 304, and a ball 307 is rollingly connected inside one side of the sliding rod 302, and the ball 307 and the sliding sleeve are slidably connected. 303 is rollingly connected, and the second pointer 306 and the second scale 305 are observed to achieve the effect of accurately adjusting the movement of the puncture assembly 102, so that the staff can adjust the puncture assembly 102 according to the puncture site required by the patient. The operation is simple and convenient, which can further reduce the use cost of the device and bring convenience to the staff when using it. A fixed knob 308 is fixedly connected between the mounting block 304 and the top plate 101. By tightening the fixed knob 308, the adjusted mounting block 304 can be squeezed and limited, so that the puncture assembly 102 can be inserted according to stable operation, which brings practicality to the staff when using it.
[0029] Working Principle: Before using this kind of auxiliary insertion assembly for medical interventional puncture needle, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, by starting the forward and reverse motor 206 to drive the rotation of the rotating rod 205, the rotation of the rotating rod 205 drives the rotation of the first rotating tooth 207, the rotation of the first rotating tooth 207 drives the rotation of the second rotating tooth 208, and the rotation of the second rotating tooth 208 drives the two sets of screw rods 202 to rotate synchronously in the same direction. At this time, the screw rod 202 is threadedly connected with the thread groove 203, so that the support rod 201 slides inside the bottom end of the support column 1. At this time, the staff observes the first scale 209 and the first pointer 210, so as to achieve the effect of quickly and accurately adjusting the height of the two sets of support columns 1. Compared with the method of using multiple sets of powered devices in the prior art, The use cost is lower, and it can meet the use of people of different body shapes, and it can support the puncture assembly 102, so that the puncture assembly 102 is more stable during puncture. By sliding the splint 211 into both ends of the CT machine, and then rotating the spiral rod 212 to drive the movement of the extrusion plate 213, at this time, the two sides of the CT machine are squeezed and fixed by the extrusion plate 213 and the rubber block 214, the effect of adjusting the movement of the puncture assembly 102 can be achieved, and the adjusted splint 211 can be fixed and limited, so as to further improve the stability of the device. Through the design of the telescopic spring 215, the support rod 201 can be assisted to slide inside the support column 1;
[0030] By sliding the mounting block 304 inside the mounting groove 301, the sleeve 303 slides on the slide rod 302, so that the ball 307 is rollingly connected to the inner side of the sleeve 303. At this time, the movement of the mounting block 304 drives the movement of the puncture assembly 102 and the second pointer 306. The staff can observe the second pointer 306 and the second scale 305 to achieve the effect of accurately adjusting the movement of the puncture assembly 102, which is convenient for the staff to adjust the puncture assembly 102 according to the puncture site required by the patient. The operation is simple and convenient, which can further reduce the use cost of the device and bring convenience to the staff when using it. By tightening the fixing knob 308, the adjusted mounting block 304 can be squeezed and limited, so that the puncture assembly 102 can be inserted according to stable operation, which brings practicality to the staff when using it.
[0031] The puncture assembly 102 is a prior art. Publication No. CN116158819A discloses an auxiliary device for tumor intervention that is convenient for adjusting the puncture depth of the puncture needle. The device used therein will not be described in detail here.
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or 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 shall be included in the protection scope of the present invention.
Claims
1. An auxiliary insertion assembly for a medical interventional puncture needle, comprising a support column (1), a top plate (101) being installed between the top ends of the support column (1), and a puncture assembly (102) being arranged on one side of the top plate (101); It is characterized in that Also includes: An adjustment mechanism (2) is provided inside the support column (1), and a moving component (3) is provided inside the top plate (101); The adjusting mechanism (2) comprises a support rod (201) slidably connected to the bottom end of the support column (1), a screw rod (202) is rotatably connected to the top end of the support column (1), a thread groove (203) is provided inside the top end of the support rod (201), and the screw rod (202) and the thread groove (203) are threadedly connected, a mounting box (204) is fixedly connected to the top end of the support column (1), and a rotating rod (205) is rotatably connected to the mounting box (204), and a rotating rod (205) is rotatably connected to the rotating rod (205). A forward and reverse motor (206) is installed at the end, and first rotating teeth (207) are symmetrically installed on the outer sides of the two ends of the rotating rod (205), and a second rotating tooth (208) is installed at the top of the screw rod (202), and the first rotating tooth (207) and the second rotating tooth (208) are meshingly connected, and a first scale (209) is installed on one side of the support column (1), and a first pointer (210) is installed on one side of the top of the support rod (201), and one end of the first pointer (210) passes through the support column (1) for sliding connection.
2. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 1, characterized in that: The bottom end of the support rod (201) is fixedly connected to a clamping plate (211), and a spiral rod (212) is threadedly connected to one side of the top end of the clamping plate (211), and the bottom end of the spiral rod (212) is fixedly connected to an extrusion plate (213), and a rubber block (214) is arranged inside the bottom end of the clamping plate (211), and a telescopic spring (215) is arranged inside the bottom end of the threaded groove (203).
3. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 1, characterized in that: The moving assembly (3) comprises a mounting groove (301) opened on one side of the top plate (101), and a sliding rod (302) is fixedly connected inside the mounting groove (301), and a sliding sleeve (303) is slidably connected to the outside of the sliding rod (302), and a mounting block (304) is fixedly connected to one side of the sliding sleeve (303), and the puncture assembly (102) is fixedly connected to the inside of the mounting block (304), and a second scale (305) is installed on one side of the top end of the top plate (101), and a second pointer (306) is symmetrically installed on one side of the mounting block (304).
4. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 3, characterized in that: A ball (307) is rollingly connected inside one side of the sliding rod (302), and the ball (307) is rollingly connected to the inner side of the sliding sleeve (303).
5. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 3, characterized in that: A fixing knob (308) is fixedly connected between the mounting block (304) and the top plate (101).
6. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 1, characterized in that: One side of the installation box (204) is fixedly connected to the top plate (101), and the top end of the screw rod (202) passes through the installation box (204) for rotational connection.
7. The auxiliary insertion assembly for a medical interventional puncture needle according to claim 3, characterized in that: One side of the installation block (304) is snap-fitted and slidably connected to the installation groove (301).
Citation Information
Patent Citations
Tumor intervention auxiliary device facilitating adjustment of puncture depth of puncture needle
CN116158819A