Orthopedic spine puncture outfit
The orthopedic spinal puncture device driven by a micro-motor automatically controls the insertion of the puncture needle using an active gear and lead screw system. This solves the problem of puncture instability caused by the doctor's hand tremors, achieving higher accuracy and lower risk of tissue damage, and improving surgical efficiency.
Patent Information
- Application Number
- CN202520272168.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing orthopedic spinal puncture devices suffer from instability during surgery due to tremors in the surgeon's hand, increasing the risk of damage to surrounding tissues. They are also inconvenient to operate, affecting the accuracy and efficiency of the surgery.
It employs an orthopedic spinal puncture device driven by a micro motor, which automatically controls the insertion of the puncture needle through an active gear and lead screw system. Combined with guide blocks and guide grooves, it improves stability and precisely adjusts the puncture depth through a controller. It is equipped with a detachable puncture needle to adapt to different needs.
It reduces errors caused by hand tremors, improves the accuracy and success rate of surgery, reduces the risk of damage to surrounding tissues, shortens the operation time, and enhances the stability and flexibility of the puncture process.
Smart Images

Figure CN223627563U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of spinal puncture, specifically is a kind of orthopedics spinal puncture device. BACKGROUND
[0002] Orthopedics spinal puncture device, also known as puncture positioner or puncture device, is a kind of medical instrument for spinal surgery, mainly used for vertebral biopsy, vertebroplasty, intervertebral disc radiography and other orthopedic and neurosurgery, and its design aims to ensure the accuracy, safety and minimally invasive of surgery.
[0003] Spinal puncture device is generally manually punctured into patient's spine by doctor, and during the operation, doctor's hand can slightly shake due to fatigue, nervousness or other factors, which can affect the stability of puncture, and if improperly operated or lack of experience, it can increase the risk of damage to surrounding tissues. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of orthopedics spinal puncture device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of orthopedics spinal puncture device, including puncture device main body, drive chamber, puncture needle and movable sleeve, the central position of the inside of puncture device main body is provided with screw rod, and movable sleeve is sleeved on the screw rod, the bottom end of movable sleeve extends to the outside of puncture device main body, and the bottom of movable sleeve is provided with puncture needle, the top of puncture device main body is provided with drive chamber, and one end in the drive chamber is provided with micro motor, the output end of micro motor is provided with driving gear, the top of screw rod extends to drive chamber, and the top of screw rod is provided with driven gear meshing with driving gear.
[0006] Preferably, the central position of one side of the puncture device main body is provided with a controller, and the output end of the controller is electrically connected with the micro motor through wires.
[0007] Preferably, both sides of the movable sleeve are provided with guide blocks, and both sides of the inside of the puncture device main body are provided with guide grooves matched with the guide blocks.
[0008] Preferably, the puncture needle is made of titanium alloy material, and a passage is formed in the central position of the inside of the puncture needle.
[0009] Preferably, the outside of the top of the puncture needle is provided with a mounting block, the bottom end of the movable sleeve is provided with a fixing piece, and the mounting block is embedded into the inside of the fixing piece.
[0010] Preferably, the fixed part is connected with the puncture needle through the flow cavity at the central position inside the fixed part, and one end of the fixed part is provided with an interface connected with the flow cavity.
[0011] Preferably, grooves are formed on both sides of the mounting block, the grooves are uniformly provided with extrusion pieces inside through the reset springs, one end of the extrusion pieces is provided with a limiting bead, limiting holes matched with the limiting beads are formed on both sides of the fixed part, and both ends of the extrusion pieces are provided with limiting blocks, and both ends of the grooves are provided with limiting grooves matched with the limiting blocks.
[0012] Preferably, the side wall of the puncture needle is uniformly provided with through holes, and the through holes are connected with the channels.
[0013] Compared with the prior art, the orthopedic spinal puncture device has the advantages that: the puncture device body, the driving chamber, the micro motor, the driving gear, the driven gear, the lead screw, the movable sleeve and the puncture needle are installed, the micro motor can drive the driving gear to rotate, the driven gear and the lead screw are rotated, the movable sleeve is moved along the lead screw, the puncture needle is automatically inserted into the patient's spine, the error caused by the doctor's hand shaking can be reduced, the damage to the surrounding tissues is reduced, the risk of complications is reduced, the puncture process can be completed faster, the operation time is reduced, the time cost is reduced, the rotation speed of the lead screw can be controlled, the feeding depth of the puncture needle can be finely adjusted, and the accuracy and success rate of the operation are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of the drawings.
[0015] Figure 1 It is a front view structural schematic diagram of the present application;
[0016] Figure 2 It is a front view sectional structure schematic diagram of the present application;
[0017] Figure 3 It is a sectional structure schematic diagram of the present application Figure 2 It is an enlarged structure schematic diagram of A in the middle;
[0018] Figure 4 It is a sectional structure schematic diagram of the mounting block of the present application;
[0019] Figure 5The utility model discloses a partial section structure schematic diagram of puncture needle.
[0020] In the drawing: 1, puncture ware main part;2, drive chamber;3, controller;4, fixed part;5, interface;6, puncture needle;7, movable cover;8, screw rod;9, guide block;10, mounting block;11, micro motor;12, driving gear;13, driven gear;14, reset spring;15, recess;16, limit bead;17, extrusion piece;18, limit block;19, passageway;20, through -hole;21, flow through cavity. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of orthopedics spinal puncture ware, including puncture ware main part 1, drive chamber 2, puncture needle 6 and movable cover 7, the central position of puncture ware main part 1 inside is provided with screw rod 8, and movable cover 7 is set on screw rod 8, and the bottom end of movable cover 7 extends to the outside of puncture ware main part 1, and the bottom of movable cover 7 is provided with puncture needle 6;
[0023] The outside of the top end of puncture needle 6 is provided with mounting block 10, the bottom end of movable cover 7 is provided with fixed part 4, and mounting block 10 is embedded into the inside of fixed part 4;
[0024] The recess 15 is formed in the both sides of mounting block 10, the reset spring 14 is evenly arranged in the recess 15 by the extrusion piece 17, one end of the extrusion piece 17 is provided with the limit bead 16, the both sides of the fixed part 4 are provided with the limit hole matched with the limit bead 16, the both ends of the extrusion piece 17 are provided with the limit block 18, and the both ends of the recess 15 are provided with the limit slot matched with the limit block 18.
[0025] By pressing the limit bead 16, the reset spring 14 in the recess 15 is extruded and shrunk into the recess 15, then the mounting block 10 and the fixed part 4 can be disassembled and separated, which is beneficial to the installation and disassembly of the puncture needle 6, and the specification of the puncture needle 6 can be replaced according to actual needs, and subsequent cleaning and disinfection are also facilitated.
[0026] The top end of the puncture ware main part 1 is provided with the drive chamber 2, one end inside the drive chamber 2 is provided with the micro motor 11, the output end of the micro motor 11 is provided with the driving gear 12, the top of the screw rod 8 extends into the drive chamber 2, and the top end of the screw rod 8 is provided with the driven gear 13 engaged with the driving gear 12.
[0027] A controller 3 is arranged at the central position of one side of the puncture device body 1, and the output end of the controller 3 is electrically connected with the micro motor 11 through a wire;
[0028] The micro motor 11 is controlled to operate by the controller 3, the driving gear 12 is rotated, the driven gear 13 and the lead screw 8 are rotated, the movable sleeve 7 is moved along the lead screw 8, the puncture needle 6 is automatically punctured into the patient's spine, the error caused by the hand shaking of the doctor can be reduced, the damage to the surrounding tissues is reduced, the risk of complications is reduced, the puncture process can be completed faster, the operation time is reduced, and the time cost is reduced;
[0029] Meanwhile, the rotation speed of the lead screw 8 can be controlled by controlling the stroke of the micro motor 11, so as to finely adjust the feeding depth of the puncture needle 6, and the accuracy and success rate of the operation are improved;
[0030] The movable sleeve 7 is provided with a guide block 9 on both sides, and the inside of the puncture device body 1 is provided with a guide groove matched with the guide block 9 on both sides, so as to improve the stability when the puncture needle 6 is punctured;
[0031] The puncture needle 6 is made of titanium alloy material, has high strength and corrosion resistance, and a channel 19 is arranged at the central position in the inside of the puncture needle 6;
[0032] A through cavity 21 is arranged at the central position in the inside of the fixed part 4 and is communicated with the channel 19, and one end of the fixed part 4 is provided with an interface 5 connected with the through cavity 21;
[0033] The side wall of the puncture needle 6 is uniformly provided with a through hole 20, and the through hole 20 is communicated with the channel 19;
[0034] After puncture, the drug injection equipment is connected through the interface 5, the drug is injected to reduce the inflammatory reaction and reduce the pain of the patient, the drug flows in the channel 19 in the inside of the puncture needle 6 and is overflowed outward through the through hole 20, the drug or liquid can be more uniformly distributed to the target area, and the treatment effect is improved;
[0035] The specific type and specification of the controller 3 and the micro motor 11 need to be determined according to the specification parameters and the like of the device, the selection calculation method is the prior art, and therefore will not be described in detail.
[0036] Working principle: in use, the controller 3 controls the micro motor 11 to run, drives the driving gear 12 to rotate, drives the driven gear 13 and the lead screw 8 to rotate, so that the movable sleeve 7 moves along the lead screw 8, drives the puncture needle 6 to automatically pierce into the patient's spine, can reduce the error caused by the doctor's hand shaking, reduce the damage to the surrounding tissue, reduce the risk of complications, and can complete the puncture process faster, reduce the operation time, thereby reducing the time cost, and by controlling the stroke of the micro motor 11, the rotation speed of the lead screw 8 can be controlled, thereby realizing fine adjustment of the feeding depth of the puncture needle 6, thereby improving the accuracy and success rate of the operation, after puncture, the interface 5 is connected to the drug delivery device, the drug flows in the internal passage 19 of the puncture needle 6 and flows out through the through hole 20, which can make the drug or liquid more uniformly distributed to the target area, improve the treatment effect, after the puncture is completed, the limiting bead 16 can be pressed to extrude the reset spring 14 in the groove 15 and retract into the groove 15, then the mounting block 10 and the fixing piece 4 can be detached and separated, which is convenient for disassembling the puncture needle 6, and the specification of the puncture needle 6 can be replaced according to actual needs, and subsequent cleaning and disinfection are also facilitated.
[0037] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.
[0038] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.
[0039] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.
[0040] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An orthopedic spinal puncture device, characterized in that, The utility model provides a puncture ware, including puncture ware body (1), drive chamber (2), puncture needle (6) and movable sleeve (7), the central position of inside puncture ware body (1) is provided with lead screw (8), and movable sleeve (7) is set on the lead screw (8), the bottom end of movable sleeve (7) extends to the outside of puncture ware body (1), and the bottom of movable sleeve (7) is provided with puncture needle (6), the top of puncture ware body (1) is provided with drive chamber (2), and one end of inside drive chamber (2) is provided with micro motor (11), the output of micro motor (11) is provided with driving gear (12), the top of lead screw (8) extends to drive chamber (2), and the top of lead screw (8) is provided with driven gear (13) and is engaged with driving gear (12).
2. The orthopedic spinal needle of claim 1, wherein: The central position of one side of the puncture ware body (1) is provided with a controller (3), and the output of the controller (3) is electrically connected with the micro motor (11) through wires.
3. The orthopedic spinal needle of claim 1, wherein: Both sides of the movable sleeve (7) are provided with guide blocks (9), and both sides of the inside of the puncture ware body (1) are provided with guide grooves matched with the guide blocks (9).
4. The orthopedic spinal needle of claim 1, wherein: The puncture needle (6) is made of titanium alloy material, and a channel (19) is formed in the central position of the inside of the puncture needle (6).
5. The orthopedic spinal needle of claim 1, wherein: An installation block (10) is arranged on the outside of the top of the puncture needle (6), a fixing member (4) is arranged at the bottom end of the movable sleeve (7), and the installation block (10) is embedded in the inside of the fixing member (4).
6. The orthopedic spinal needle of claim 5, wherein: A flow cavity (21) is arranged in the central position of the inside of the fixing member (4) and is communicated with the puncture needle (6), and an interface (5) is arranged at one end of the fixing member (4) and is connected with the flow cavity (21).
7. The orthopedic spinal needle of claim 5, wherein: Grooves (15) are formed in both sides of the installation block (10), and extrusion members (17) are arranged in the grooves (15) through return springs (14), one end of the extrusion members (17) is provided with limiting beads (16), limiting holes matched with the limiting beads (16) are formed in both sides of the fixing member (4), and limiting blocks (18) are arranged at both ends of the extrusion members (17), and limiting grooves matched with the limiting blocks (18) are arranged at both ends of the grooves (15).
8. The orthopedic spinal needle of claim 4, wherein: Uniformly formed in the side wall of the puncture needle (6) are through holes (20) communicated with the channel (19).