Minimally invasive spine surgery abrasive drill capable of preventing material residues
By designing an adjustable absorption mechanism, the problem of material residue caused by the fixed position of the suction tube when changing drill bits is solved, achieving more efficient material absorption and reducing soft tissue damage, thus improving the convenience and safety of minimally invasive spinal surgery.
Patent Information
- Application Number
- CN202422830193.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-20
AI Technical Summary
When changing drill bits, the fixed suction tube in existing minimally invasive spinal surgery drills cannot achieve the best suction effect, resulting in material residue, which affects surgical efficiency and damages normal soft tissues.
An adjustable suction mechanism was designed, including a threaded cylinder, a lead screw, a support block, and a locking mechanism. By adjusting the position of the collection hood, it is ensured that it matches the length of the drill bit to achieve the best suction effect, and the locking mechanism maintains stability.
It effectively reduces material residue, reduces the amount of saline solution used for irrigation, reduces damage to normal soft tissue, and improves the convenience and efficiency of surgery.
Smart Images

Figure CN223627550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely is a kind of spine minimally invasive surgery drill that can prevent material residue. BACKGROUND
[0002] Spine minimally invasive surgery refers to the use of small incision or puncture channel, using special instruments and devices, under the guidance of image instrument monitoring or navigation technology, from normal anatomical structure to reach the lesion, to perform surgery on spine. Under normal circumstances, a variety of miniature hand or electric equipment, instruments will be used. Spine minimally invasive surgery has the advantages of small incision, small tissue trauma, less bleeding and rapid postoperative recovery, so patients are more likely to accept. Spine minimally invasive surgery drill can be used under direct vision to carefully remove diseased tissue in all directions with high-speed drill, and the spine minimally invasive surgery drill mainly includes a drill bit, a handle and a motor for controlling the rotation of the drill bit. If it is difficult to remove, different angle bent drill bits can be replaced, and after the removal operation is completed, the removed material is washed with a large amount of physiological saline.
[0003] According to the spine minimally invasive surgery drill with the announcement number CN114533194A, the tail end of the hollow connecting head at the head end of the grip rod is provided, the rotating motor is arranged in the connecting head, the output shaft end of the rotating motor is detachably connected with the tail end of the connecting rod, and the head end of the connecting rod is fixedly connected with the grinding ball. The connecting head is a tubular structure formed by splicing a plurality of pipe units, and adjacent pipe units are detachably connected together through a connecting assembly. The debris suction device includes a storage cavity, an air extractor, a debris suction pipe and a hard connecting pipe. The present application first proposes an idea to improve the structure of the spine minimally invasive surgery drill to absorb the removed material, develops a spine minimally invasive surgery drill capable of sucking the removed material, reduces the residue of the removed material, thereby reducing the amount of physiological saline used for flushing, and reducing the damage to normal soft tissue.
[0004] For the above-mentioned related solutions, the above-mentioned storage cavity, air extractor, debris suction pipe, hard connecting pipe and debris suction branch pipe cooperate to realize the absorption of the removed material, so that the residue of the removed material can be reduced. However, due to the fixed position of the debris suction pipe, when a longer or shorter drill bit is replaced due to the need of surgery, the fixed position of the debris suction pipe is difficult to achieve a better debris suction effect, thereby being not conducive to the use of the spine minimally invasive surgery drill. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a spine minimally invasive surgery drill that can prevent material residue to solve the technical problems proposed in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: A spine minimally invasive surgery drill can prevent material residue, including handle, drive motor, drill bit and control button, one side of handle top is provided with control button, the bottom of handle inside is installed with drive motor, the output of drive motor is installed with drill bit, the outside of handle and drill bit is provided with absorption mechanism, absorption mechanism includes exhaust fan, through slot, storage bin, telescopic pipe and collection cover, collection cover is sleeved in the outside of drill bit, the outside of handle and collection cover is provided with adjusting mechanism, adjusting mechanism includes screw thread cylinder, screw rod and support block, the bottom of support block is arranged at one side of handle, screw rod is rotatably connected in the inside of support block through bearing.
[0007] Preferably, the top of the handle is located on one side of the control button and is provided with an exhaust fan, the side of the handle is provided with a storage bin, and the inside of the handle is provided with a through slot communicated with the exhaust fan and the storage bin.
[0008] Preferably, the outside of the screw rod is threadedly connected with a screw thread cylinder connected with the collection cover, and the end of the screw rod away from the screw thread cylinder is provided with a handle.
[0009] Preferably, the front end of the collection cover is provided with a limiting cylinder, and the inside of the limiting cylinder is slidably connected with a limiting rod connected with the handle.
[0010] Preferably, the top of the support block is provided with a locking mechanism connected with the screw rod, and the locking mechanism is composed of a gear, a toothed plate, a vertical plate, a push-pull plate and a telescopic spring, the gear is sleeved on the outer surface of the screw rod, and the toothed plate is engagedly connected at the front end of the gear.
[0011] Preferably, the top of the support block is provided with a vertical plate, the inside of the vertical plate is slidably connected with a push-pull plate connected with the toothed plate, and the push-pull plate and the vertical plate are connected with a telescopic spring constituting an elastic structure.
[0012] Preferably, the bottom of one side of the storage bin is provided with an outlet, the side of the storage bin above the outlet is provided with a limiting frame, and the inside of the limiting frame is slidably connected with a sealing plate matched with the outlet.
[0013] In summary, the utility model mainly has the following beneficial effects:
[0014] 1、The utility model discloses an adjusting mechanism is set up, because screw rod and screw thread cylinder are threadedly connected, and collection cover and handle are slidably connected through limiting cylinder and limiting rod, so that the screw thread cylinder and collection cover can move in the vertical direction by rotating the handle and screw rod, so that the position of the collection cover can be adjusted according to the length of the drill bit, so that the collection cover can achieve better suction effect and prevent more material from being left, so that the spine minimally invasive surgery drill is more convenient to use.
[0015] 2、The utility model discloses through being provided with locking mechanism, because push -and -pull board and riser are elastically connected through telescopic spring, make after adjusting to the specified position to the collection cover, release push -and -pull board, make its and the toothed plate will move and reset under the action of telescopic spring, make the toothed plate and gear clamping, thereby realize the locking of screw rod, to prevent the stability after the adjustment of collection cover of rotating handle, screw rod autorotation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is the three-dimensional exploded view of the adjusting mechanism of the utility model;
[0018] Figure 3 It is the three-dimensional exploded view of the locking mechanism of the utility model;
[0019] Figure 4 It is the main view cut structure schematic diagram of the utility model.
[0020] In the drawing: 1, handle;2, drive motor;3, drill bit;4, control button;5, absorption mechanism;501, suction fan;502, through slot;503, storage warehouse;504, telescopic pipe;505, collection cover;6, adjusting mechanism;601, threaded cylinder;602, screw rod;603, rotating handle;604, limit cylinder;605, limit rod;606, support block;7, locking mechanism;701, gear;702, toothed plate;703, riser;704, push -and -pull board;705, telescopic spring;8, export;9, sealing plate;10, limit frame. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.
[0022] The embodiments will be described below according to the overall structure of the utility model.
[0023] A spine minimally invasive surgery grinding drill capable of preventing material residue, like Figure 1 、 Figure 2 and Figure 4As shown, including handle 1, drive motor 2, drill bit 3 and control button 4, the handle 1 top side of the end is provided with control button 4, the handle 1 inside the bottom end is installed with drive motor 2, the output end of the drive motor 2 is installed with drill bit 3, the handle 1 and the outside of drill bit 3 is provided with absorption mechanism 5, the absorption mechanism 5 includes exhaust fan 501, through slot 502, storage bin 503, telescopic tube 504 and collection cover 505, the collection cover 505 is sleeved on the outside of drill bit 3, the top end of handle 1 is located on one side of control button 4 and is provided with exhaust fan 501, one side of handle 1 is provided with storage bin 503, the inside of handle 1 is provided with through slot 502 which is communicated with exhaust fan 501 and storage bin 503, the storage bin 503 is connected with telescopic tube 504 and collection cover 505;
[0024] As shown in Figure 1 , Figure 2 and Figure 4 known, hand handle 1 and through pressing control button 4 make drive motor 2, exhaust fan 501 work, so that the output end of drive motor 2 drives drill bit 3 to rotate, in order to carry out the grinding operation of pathological tissue, at the same time, the exhaust fan 501 realizes the absorption of the ground material through the cooperation of through slot 502, storage bin 503, telescopic tube 504 and collection cover 505, so that the residual of the ground material can be reduced, thereby reducing the amount of physiological saline for flushing and reducing the damage to normal soft tissue.
[0025] As shown in Figures 1-4 known, the handle 1 and the outside of the collection cover 505 are provided with adjusting mechanism 6, the adjusting mechanism 6 includes screw cylinder 601, screw rod 602 and support block 606, the support block 606 is arranged at the bottom end of one side of the handle 1, the screw rod 602 is rotatably connected to the inside of the support block 606 through the bearing, the outside of the screw rod 602 is threadedly connected with the screw cylinder 601 connected with the collection cover 505, one end of the screw rod 602 away from the screw cylinder 601 is provided with a handle 603;
[0026] As shown in Figures 1-4 known, since the screw rod 602 is threadedly connected with the screw cylinder 601, and the collection cover 505 is slidably connected with the handle 1 through the limiting cylinder 604 and the limiting rod 605, the screw cylinder 601 and the collection cover 505 can be moved vertically by rotating the handle 603 and the screw rod 602, so that the position of the collection cover 505 can be adjusted according to the length of the drill bit 3, so that the collection cover 505 can achieve better absorption effect and prevent more residual material, thereby making the use of the spine minimally invasive surgical drill more convenient.
[0027] As shown in Figure 1 and Figure 4It can be known that the bottom end of one side of the storage bin 503 is provided with an outlet 8, one side of the storage bin 503 is provided with a limiting frame 10 above the outlet 8, the limiting frame 10 is slidably connected with a sealing plate 9 matched with the outlet 8, when the ground material needs to be taken out, the sealing plate 9 can be pulled upward to make the outlet 8 leak out, at this time, the outlet 8 can be poured downward to take out the ground material.
[0028] Referring to Figure 1 and Figure 2 It can be known that the front end of the collection cover 505 is provided with a limiting cylinder 604, the limiting cylinder 604 is slidably connected with a limiting rod 605 connected with the handle 1, which can support and limit the collection cover 505, so that the collection cover 505 can be prevented from rotating with the screw rod 602 during rotation, thereby increasing the stability of the collection cover 505 during vertical movement.
[0029] Referring to Figures 1-4 It can be known that the top end of the supporting block 606 is provided with a locking mechanism 7 connected with the screw rod 602, the locking mechanism 7 is composed of a gear 701, a toothed plate 702, a vertical plate 703, a push-pull plate 704 and a telescopic spring 705, the gear 701 is sleeved on the outer surface of the screw rod 602, the toothed plate 702 is engagedly connected to the front end of the gear 701, the top end of the supporting block 606 is provided with the vertical plate 703, the vertical plate 703 is slidably connected with the push-pull plate 704 connected with the toothed plate 702, the push-pull plate 704 and the vertical plate 703 are connected with the telescopic spring 705 constituting an elastic structure;
[0030] Referring to Figure 2 and Figure 3 It can be known that since the push-pull plate 704 and the vertical plate 703 are elastically connected through the telescopic spring 705, after the collection cover 505 is adjusted to a specified position, the push-pull plate 704 is loosened, so that it and the toothed plate 702 are moved and reset under the action of the telescopic spring 705, so that the toothed plate 702 is clamped with the gear 701, thereby achieving the locking of the screw rod 602, so as to prevent the rotation of the handle 603 and the screw rod 602 from affecting the stability of the collection cover 505 after adjustment.
[0031] The working principle of the utility model is: when using the spine minimally invasive operation grinding drill capable of preventing material residue, the toothed plate 702 and the gear 701 can be separated by pulling the push-pull plate 704 at one end, at this time, the threaded cylinder 601 and the material collecting cover 505 can be moved in the vertical direction by rotating the rotating handle 603 and the lead screw 602, so that the position of the material collecting cover 505 can be adjusted according to the length of the drill bit 3, after adjusting the material collecting cover 505 to the specified position, the push-pull plate 704 is loosened, so that it and the toothed plate 702 can reset under the action of the extension spring 705, so that the toothed plate 702 and the gear 701 are clamped, so as to realize the locking of the lead screw 602, at this time, the handle 1 can be held and the driving motor 2 and the air extractor 501 can work by pressing the control button 4, so that the output end of the driving motor 2 drives the drill bit 3 to rotate, so as to perform the grinding operation of the pathological tissue, at the same time, the air extractor 501 realizes the absorption of the ground material through the cooperation of the through slot 502, the storage bin 503, the telescopic pipe 504 and the material collecting cover 505, so that the residue of the ground material can be reduced, so that the amount of physiological saline for flushing can be reduced, and the damage to the normal soft tissue can be reduced, the contents not described in detail in the description belong to the prior art known to the person skilled in the art.
[0032] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as in the range of the claims of the utility model, it is protected by the patent law.
Claims
1. A minimally invasive spinal surgery drill capable of preventing material residue, comprising a handle (1), a driving motor (2), a drill bit (3) and a control button (4), characterized in that: The side of the top end of the handle (1) is provided with a control button (4), the bottom end of the inside of the handle (1) is provided with a driving motor (2), the output end of the driving motor (2) is provided with a drill bit (3), the outside of the handle (1) and the drill bit (3) is provided with an absorption mechanism (5), the absorption mechanism (5) comprises an air extractor (501), a through slot (502), a storage bin (503), a telescopic pipe (504) and a collection cover (505), the collection cover (505) is sleeved on the outside of the drill bit (3), the outside of the handle (1) and the collection cover (505) is provided with an adjusting mechanism (6), the adjusting mechanism (6) comprises a threaded cylinder (601), a lead screw (602) and a supporting block (606), the supporting block (606) is arranged at the bottom end of one side of the handle (1), and the lead screw (602) is rotatably connected to the inside of the supporting block (606) through a bearing.
2. The minimally invasive spinal surgery drill bit according to claim 1, wherein: The top end of the handle (1) is provided with an air extractor (501) on one side of the control button (4), one side of the handle (1) is provided with a storage bin (503), and the inside of the handle (1) is provided with a through slot (502) in communication with the air extractor (501) and the storage bin (503).
3. The minimally invasive spinal stenosis drill according to claim 1, wherein: The outside of the lead screw (602) is threadedly connected with the threaded cylinder (601) connected with the collection cover (505), and the end of the lead screw (602) away from the threaded cylinder (601) is provided with a handle (603).
4. The minimally invasive spinal stabiUzation drill according to claim 1, wherein: The front end of the collection cover (505) is provided with a limiting cylinder (604), and the inside of the limiting cylinder (604) is slidably connected with a limiting rod (605) connected with the handle (1).
5. The minimally invasive spinal stabiUzation drill according to claim 1, wherein: The top end of the supporting block (606) is provided with a locking mechanism (7) connected with the lead screw (602), and the locking mechanism (7) comprises a gear (701), a toothed plate (702), a vertical plate (703), a push-pull plate (704) and a telescopic spring (705), the gear (701) is sleeved on the outer surface of the lead screw (602), and the toothed plate (702) is engagedly connected to the front end of the gear (701).
6. The minimally invasive spinal procedure drill bit of claim 5, wherein: The top end of the supporting block (606) is provided with a vertical plate (703), the inside of the vertical plate (703) is slidably connected with a push-pull plate (704) connected with the toothed plate (702), and the push-pull plate (704) and the vertical plate (703) are connected with a telescopic spring (705) forming an elastic structure.
7. The minimally invasive spinal stabiUzation drill according to claim 1, wherein: The bottom end of one side of the storage bin (503) is provided with an outlet (8), one side of the storage bin (503) is provided with a limiting frame (10) above the outlet (8), and the inside of the limiting frame (10) is slidably connected with a sealing plate (9) matched with the outlet (8).
Citation Information
Patent Citations
Abrasive drill for minimally invasive spine surgery in orthopedics department
CN114533194A