Orthopedic bone traction needle fixed at multiple points
By setting structures such as a sliding cylinder, a connecting cylinder and a buffer ring on the orthopedic bone traction needle, multi-point fixation and angle adjustment are achieved, which solves the problem of poor fixation effect of existing orthopedic bone traction needles, improves the fixation effect and operation convenience, and reduces patient discomfort.
Patent Information
- Application Number
- CN202422625203.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing orthopedic bone traction pins have a single fixation position and are unable to perform multi-point fixation, resulting in poor fixation effect, and are prone to causing inflammation or infection, and causing discomfort to patients.
An orthopedic bone traction pin with multi-point fixation is designed. A sliding cylinder and a connecting cylinder are set on the outer wall of the traction pin body, and multi-point fixation and angle adjustment are achieved by using structures such as a buffer ring, a fixing bolt and a rotating ring. The rubber buffer ring and scale line are combined to improve the fixation effect and ease of operation.
The multi-point fixation of the traction needle is achieved, movement is avoided, the fixation effect is improved, the patient's discomfort is reduced, and the fixation effect and the convenience of operation are enhanced.
Smart Images
Figure CN223438619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to orthopedics bone traction needle technical field, concretely is a kind of orthopedics bone traction needle of multiple point position fixed. BACKGROUND
[0002] Traction therapy is a common treatment method in orthopedics, which uses traction weight as traction force and body weight as counter-traction force through traction device to relieve muscle tension and strong contraction, slowly reset fracture, prevent and correct soft tissue contracture, and preoperative tissue release and postoperative braking. Bone traction mainly uses Kirschner wire, Steinmann pin, special towel forceps or skull traction bow to traction the affected part of the body. When using traction needle, it is necessary to keep the traction needle fixed in the bone for a long time, which can easily cause inflammation or infection at the needle opening of the bone traction needle.
[0003] The existing traction needle has a single fixed position, cannot be fixed at multiple points, has poor fixing effect, and affects the operation. The hard traction needle parts in contact with the patient's bone at the contact point of the traction needle and the bone can cause discomfort to the patient. SUMMARY
[0004] The utility model discloses a kind of orthopedics bone traction needles of multiple point position fixed, can realize multiple point fixing, avoid traction needle body activity, and angle of traction connecting rod can be adjusted, it is simple and convenient to operate.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of orthopedics bone traction needle of multiple point position fixed, including traction needle body, the outer wall of the traction needle body is provided with two fixed devices, the fixed device includes the sliding cylinder that is slidably connected to the outer wall of traction needle body, the outer wall of the sliding cylinder is fixedly connected with the connecting cylinder, the outer wall of the connecting cylinder is equipped with installation recess, the inner side of the installation recess is rotatably connected with rotating ring, the outer wall of the connecting cylinder is fixedly connected with end plate, the outer wall of the end plate is fixedly connected with fixed pin, the outer side wall of the rotating ring and the side close to end plate are equipped with multiple evenly distributed fixed holes, the outer wall of two rotating rings is fixedly connected with traction connecting rod, the traction connecting rod between two is fixedly connected with telescopic rod, the opposite side of two traction connecting rods is fixedly connected with elastic rope, two elastic ropes are located above telescopic rod and are fixedly connected with traction ring between two.
[0006] In order to facilitate the fixation of the sliding cylinder and the telescopic rod, as a kind of orthopedics bone traction needle of multiple point position fixed of the utility model is preferably, the outer wall of the sliding cylinder is fixedly connected with the first fixed bolt, and the outer wall of the telescopic rod is fixedly connected with the second fixed bolt.
[0007] In order to be able to buffer the puncture of the traction needle and the skin of the patient, as a kind of multi-point fixed orthopedic bone traction needle of the utility model, preferably, the opposite side of the two connecting barrels is fixedly connected with the buffer ring sleeved on the outer side of the traction needle body, and the buffer ring is made of rubber.
[0008] In order to avoid accidental injury, as a kind of multi-point fixed orthopedic bone traction needle of the utility model, preferably, the two ends of the traction needle body are movably sleeved with end caps.
[0009] In order to more accurately position the puncture site and depth, as a kind of multi-point fixed orthopedic bone traction needle of the utility model, preferably, the outer wall of the traction needle body is provided with scale lines.
[0010] In order to limit the fixing pin, as a kind of multi-point fixed orthopedic bone traction needle of the utility model, preferably, the fixing pin is fixedly connected with a limiting block at the end away from the end plate.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] When the utility model is used, the traction needle body is inserted through the patient's bone, the two fixing devices are sleeved on the two ends of the traction needle body, then the two sliding barrels are slid to drive the connecting barrels to approach the patient's skin until the two buffer rings contact the patient's skin, the buffer rings play a buffering role, the traction needle body and the puncture site of the patient's skin can be buffered, then the two first fixing bolts are screwed to fix the positions of the two sliding barrels on the outer wall of the traction needle body, thereby the traction needle body is fixed and limited, the traction needle body is prevented from moving, the fixing effect is improved; when the positions of the two sliding barrels are adjusted, the distance between the two traction connecting rods changes, after adjustment, the second fixing bolt is screwed to fix the length of the telescopic rod, thereby the distance between the two traction connecting rods is fixed, the positions of the two sliding barrels are further fixed, thereby multi-point fixing is realized, the fixing effect of the traction needle body is effectively improved.
[0013] When the two traction connecting rods are actuated, the two rotating rings rotate in the inner sides of the two mounting grooves, thereby the angle of the traction connecting rod can be adjusted, the movement of the patient's body part is prevented from being affected, after adjustment, the fixing pin is inserted into the corresponding fixing hole, the position of the rotating ring is fixed, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a front view structural schematic diagram of the utility model Figure 1 Enlarged structural schematic diagram of a in the utility model;
[0016] Figure 3 It is the side view structure schematic diagram of the rotating ring of the utility model.
[0017] In the figure: 1, traction needle body; 2, fixing device; 3, sliding cylinder; 4, connecting cylinder; 5, installation groove; 6, rotating ring; 7, end plate; 8, fixed pin; 9, fixed hole; 10, traction connecting rod; 11, telescopic rod; 12, elastic rope; 13, traction ring; 14, first fixed bolt; 15, buffer ring; 16, end cap; 17, second fixed bolt; 18, scale line. DETAILED DESCRIPTION
[0018] Please refer to Figures 1 to 3 A kind of orthopedics bone traction needle of multiple point fixed, including traction needle body 1, the outer wall of traction needle body 1 is provided with two fixing devices 2, fixing device 2 includes the sliding cylinder 3 of sliding connection in the outer wall of traction needle body 1, the outer wall of sliding cylinder 3 is fixedly connected with connecting cylinder 4, connecting cylinder 4 is provided with installation groove 5 on the outer wall, rotating ring 6 is rotatably connected in the inner side of installation groove 5, connecting cylinder 4 is fixedly connected with end plate 7 on the outer wall, fixed pin 8 is movably connected on the outer wall of end plate 7, a plurality of evenly distributed fixed holes 9 are formed in the outer side wall of rotating ring 6 and close to one side of end plate 7, two rotating rings 6 are fixedly connected with traction connecting rod 10 on the outer wall, fixedly connected with telescopic rod 11 between two traction connecting rods 10, two traction connecting rods 10 are fixedly connected with elastic rope 12 on the opposite side, two elastic ropes 12 are located above telescopic rod 11 and fixedly connected with traction ring 13 between them.
[0019] In the embodiment: in use, after the traction needle body 1 is passed through the patient's bone, two fixing devices 2 are respectively sleeved on the two ends of the traction needle body 1, then the two sliding cylinders 3 are slid to drive the connecting cylinders 4 to approach the patient's skin, until the two buffer rings 15 are in contact with the patient's skin, the buffer ring 15 plays a buffering role, and the traction needle body 1 and the puncture site of the patient's skin can be buffered, then the two first fixed bolts 14 are screwed, the positions of the two sliding cylinders 3 on the outer wall of the traction needle body 1 are fixed, so that the traction needle body 1 is fixed and positioned, the traction needle body 1 is prevented from moving, and the fixing effect is improved; when it is necessary to adjust the positions of the two sliding cylinders 3, the distance between the two traction connecting rods 10 is changed, after adjustment, the second fixed bolt 17 is screwed to fix the length of the telescopic rod 11, so that the distance between the two traction connecting rods 10 is fixed, the positions of the two sliding cylinders 3 are further fixed, so that multiple point fixing is realized, and the fixing effect of the traction needle body 1 is effectively improved.
[0020] When the two traction connecting rods 10 are toggled, the two rotating rings 6 rotate inside the two mounting grooves 5 respectively, thereby adjusting the angle of the traction connecting rods 10 to avoid affecting the movement of the patient's body parts. After the adjustment is completed, the fixing pins 8 are inserted into the corresponding fixing holes 9 to fix the position of the rotating rings 6. The operation is simple and convenient.
[0021] A traction ring 13 is connected between the two traction connecting rods 10 through an elastic rope 12. The traction ring 13 can be connected to an external traction structure to facilitate traction treatment. By setting the elastic rope 12, it can be adapted and extended according to the distance between the two traction connecting rods 10, which is easy to use. After being connected to the traction equipment, the two elastic ropes 12 are tightened to the maximum extension length, which can achieve effective traction of the traction needle body 1.
[0022] As a technical optimization solution of the present invention, a first fixing bolt 14 is threadedly connected to the outer wall of the slide 3 , and a second fixing bolt 17 is threadedly connected to the outer wall of the telescopic rod 11 .
[0023] In this embodiment, the first fixing bolt 14 and the second fixing bolt 17 are convenient for fixing the position of the slide 3 and the length of the telescopic rod 11 respectively.
[0024] As a technical optimization solution of the present invention, the two connecting tubes 4 are fixedly connected to opposite sides with a buffer ring 15 sleeved on the outside of the traction needle body 1, and the buffer ring 15 is made of rubber.
[0025] In this embodiment, the buffer ring 15 plays a buffering role and can buffer the traction needle body 1 and the puncture site of the patient's skin.
[0026] As a technical optimization solution of the present invention, both ends of the traction needle body 1 are movably sleeved with end caps 16.
[0027] In this embodiment: both ends of the traction needle body 1 are movably connected with end caps 16. After the traction needle body 1 is pulled and configured, the two end caps 16 are respectively connected to the two sharp ends of the traction needle body 1 to avoid accidental punctures and improve the protection effect.
[0028] As a technical optimization solution of the present invention, a scale line 18 is provided on the outer wall of the traction needle body 1 .
[0029] In this embodiment, the outer wall of the traction needle body 1 is provided with scale lines 18 . By providing the scale lines 18 , it is convenient to accurately control the puncture site and depth when puncturing the traction needle body 1 .
[0030] As a technical optimization solution of the present invention, one end of the fixing pin 8 away from the end plate 7 is fixedly connected to the limiting block.
[0031] In the embodiment, the fixing pin 8 is fixedly connected with a limiting block at one end away from the end plate 7.
[0032] Working principle: when the traction needle body 1 is used, the two fixed devices 2 are respectively sleeved on both ends of the traction needle body 1, then the two sliding cylinders 3 drive the connecting cylinders 4 to move close to the patient's skin, until the two buffer rings 15 are in contact with the patient's skin, the buffer ring 15 plays a buffering role, and the traction needle body 1 and the patient's skin puncture site can be buffered, then the two first fixing bolts 14 are screwed, the positions of the two sliding cylinders 3 on the outer wall of the traction needle body 1 are fixed, so that the traction needle body 1 is fixed and limited, the activity of the traction needle body 1 is avoided, and the fixing effect is improved; when it is necessary to adjust the positions of the two sliding cylinders 3, the interval of the two traction connecting rods 10 is changed, after the adjustment is completed, the second fixing bolt 17 is screwed to fix the length of the telescopic rod 11, so that the interval of the two traction connecting rods 10 is fixed, when the two traction connecting rods 10 are actuated, the two rotating rings 6 rotate in the inner sides of the two mounting grooves 5 respectively, so that the angle of the traction connecting rod 10 can be adjusted, the activity of the patient's body part is avoided, after the adjustment is completed, the fixing pin 8 is inserted into the corresponding fixed hole 9, so that the position of the rotating ring 6 is fixed, and the operation is simple and convenient.
[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An orthopedic bone traction needle with multi-point fixation, comprising a traction needle body (1), characterized in that: The outer wall of the traction needle body (1) is provided with two fixing devices (2), and the fixing device (2) includes a slide cylinder (3) slidably connected to the outer wall of the traction needle body (1), and a connecting cylinder (4) is fixedly connected to one side of the outer wall of the slide cylinder (3), and a mounting groove (5) is provided on the outer wall of the connecting cylinder (4), and a rotating ring (6) is rotatably connected to the inner side of the mounting groove (5), and an end plate (7) is fixedly connected to the outer wall of the end plate (7), and a fixing pin is movably connected through the outer wall of the end plate (7). (8), a plurality of evenly distributed fixing holes (9) are provided on the outer side wall of the rotating ring (6) and on a side close to the end plate (7), the outer walls of the two rotating rings (6) are fixedly connected with a traction connecting rod (10), a telescopic rod (11) is fixedly connected between the two traction connecting rods (10), and elastic ropes (12) are fixedly connected to opposite sides of the two traction connecting rods (10), and the two elastic ropes (12) are located above the telescopic rod (11) and a traction ring (13) is fixedly connected between them.
2. The orthopedic bone traction pin with multi-point fixation according to claim 1, characterized in that: A first fixing bolt (14) is threadedly connected to the outer wall of the slide (3), and a second fixing bolt (17) is threadedly connected to the outer wall of the telescopic rod (11).
3. The orthopedic bone traction pin with multi-point fixation according to claim 1, characterized in that: A buffer ring (15) sleeved on the outside of the traction needle body (1) is fixedly connected to opposite sides of the two connecting tubes (4), and the buffer ring (15) is made of rubber.
4. The orthopedic bone traction pin with multi-point fixation according to claim 1, characterized in that: Both ends of the traction needle body (1) are movably sleeved with end caps (16).
5. The orthopedic bone traction pin with multi-point fixation according to claim 1, characterized in that: The outer wall of the traction needle body (1) is provided with scale lines (18).
6. The orthopedic bone traction pin with multi-point fixation according to claim 1, characterized in that: One end of the fixing pin (8) away from the end plate (7) is fixedly connected to the limiting block.