Protective rubber sleeve for ultrasonic osteotome

Abstract

The protective rubber sleeve for the ultrasonic osteotome comprises a containing box, the bottom of the containing box is connected with a lower extending box in a penetrating mode, and a protective mechanism is arranged on the lower extending box; the protection mechanism comprises a lower rubber sleeve connected to the bottom of the lower extension box in a penetrating mode, a reinforced inner sleeve is fixedly connected into the lower rubber sleeve, a thickened wear-resistant pad is fixedly connected into the reinforced inner sleeve, a connecting ring is connected to the placement box in a sliding and penetrating mode, and an upper extension box is connected to the top of the connecting ring in a penetrating mode. The utility model relates to the technical field of ultrasonic osteotomes. According to the protective rubber sleeve for the ultrasonic osteotome, safety protection can be conducted on the whole osteotome through the arranged protective mechanism, the situation that the osteotome is accidentally touched and impacted when placed, and consequently the osteotome rod is damaged is prevented, meanwhile, the situation that a tool bit is impacted to generate a notch can be avoided through the arranged reinforced inner sleeve and the thickened wear-resisting pad, and the service life of the protective rubber sleeve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic bone cutters, in particular to a protective rubber sleeve for ultrasonic bone cutters. Background Art

[0002] Ultrasonic bone cutting knives mainly convert electrical energy into ultrasonic vibrations through piezoelectric technology, and use the mechanical effect of ultrasound to make the knife head produce telescopic vibrations in the forward and backward directions. The knife head is used for bone cutting. The vibration amplitude should not be too large during bone cutting, so ultrasonic vibration is most appropriate.

[0003] Publication No. CN 218792399 U discloses an adjustable ultrasonic bone cutting knife, including a driving handle housing, a transducer, a sleeve and a cutter head, wherein the proximal end of the cutter head is connected to the transducer through a knife rod inside or outside the driving handle housing, the sleeve is arranged on the periphery of the cutter head, and the sleeve is connected to the front end of the driving handle housing through a tight-fitting component, so that the sleeve and the driving handle housing can perform axial translation and telescopic movement relative to each other. The utility model can ensure the accuracy of controlling the range of motion of the cutter head, and the operation is simpler and faster, further improving the accuracy and safety of orthopedic surgery.

[0004] However, the device has the following shortcomings: the device can adjust the knife rod when in use, but often when the ultrasonic bone knife is used, multiple spare knife heads are generally prepared according to needs, and the knife heads are easily accidentally touched during the preparation process, resulting in surface damage, affecting subsequent use.

[0005] Therefore, the utility model provides a protective rubber sleeve for an ultrasonic osteotome to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a protective rubber sleeve for an ultrasonic osteotome, which solves the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a protective rubber sleeve for an ultrasonic bone knife, comprising a placement box, the bottom of the placement box is connected through a lower extension box, and a protective mechanism is arranged on the lower extension box;

[0008] The protective mechanism includes a lower rubber sleeve that is connected through the bottom of the lower extension box, a reinforced inner sleeve is fixedly connected inside the lower rubber sleeve, a thickened wear-resistant pad is fixedly connected inside the reinforced inner sleeve, a connecting ring is slidably and interlacedly connected on the placement box, the top of the connecting ring is connected through the upper extension box, the top of the upper extension box is connected through the upper rubber sleeve, the top of the upper rubber sleeve is fixedly connected to a protective pad, and the top inner wall of the upper rubber sleeve is fixedly connected to a buffer ring.

[0009] Preferably, a bone knife is arranged in the placement box, and the bone knife includes a mounting plate, the bottom of the mounting plate is fixedly connected to a knife rod, the knife rod slides and extends into the lower rubber sleeve, the bottom end of the knife rod is fixedly connected to a knife head, the top of the mounting plate is fixedly connected to a threaded fastening rod, and the top end of the threaded fastening rod slides and extends into the upper rubber sleeve.

[0010] Preferably, the outer wall of the placement box is provided with an external threaded surface, the outer wall of the connecting ring is fixedly connected with an expansion ring, the bottom of the expansion ring is fixedly connected with an internal threaded ring, and the internal threaded ring is threadedly connected to the external threaded surface. Through the provided external threaded surface, the expansion ring and the internal threaded ring can be used in combination to conveniently tighten the connecting ring on the placement box, thereby facilitating the closure of the bone knife.

[0011] Preferably, a first limiting sleeve is fixedly connected inside the lower rubber sleeve, and a second limiting sleeve is fixedly connected inside the lower rubber sleeve. The first limiting sleeve and the second limiting sleeve can prevent the knife rod and the knife head from shaking left and right, making their placement more stable.

[0012] Preferably, the outer wall fixing sleeve of the lower rubber sleeve is provided with a plurality of protective sleeves, and a plurality of weight-reducing holes are opened on the protective sleeves. The protective capability of the lower rubber sleeve can be improved by using the protective sleeves and the weight-reducing holes in combination.

[0013] Preferably, a compression pad is fixedly connected to the bottom of the connecting ring, and the bottom of the compression pad is in contact with the mounting plate. The mounting plate can be pressed tightly against the placement box by the provided compression pad, effectively preventing it from shaking up and down.

[0014] Preferably, a sealing gasket is fixedly connected to the bottom of the expansion ring, and the bottom of the sealing gasket contacts the top of the placement box. The connection gap between the expansion ring and the placement box can be sealed by the provided sealing gasket.

[0015] Preferably, an auxiliary ring is fixedly connected to the top of the connecting ring, and a plurality of circular holes are provided on the outer wall of the auxiliary ring. The auxiliary ring and the circular holes can be used together to facilitate the operator to twist the connecting ring and separate it from the placement box.

[0016] Beneficial Effects

[0017] The utility model provides a protective rubber sleeve for an ultrasonic osteotome. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The protective rubber sleeve for the ultrasonic bone knife can provide safety protection for the entire bone knife through the protective mechanism, preventing the knife from being accidentally touched or hit when placed, thereby preventing the knife shaft from being damaged. At the same time, the reinforced inner sleeve and thickened wear-resistant pad can prevent the knife head from being hit and causing notches, thereby increasing its service life.

[0019] (2) The protective rubber sleeve for the ultrasonic bone knife can press the mounting plate tightly in the placement box through the provided compression pad, effectively preventing it from shaking up and down. At the same time, the first limiting sleeve and the second limiting sleeve can prevent the knife rod and the knife head from shaking left and right, making the placement more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the bone knife in the utility model;

[0023] Figure 4 It is a sectional assembly diagram of the reinforcing pad and the thickened wear-resistant sleeve in the utility model.

[0024] In the figure: 1. placement box; 2. lower extension box; 3. lower rubber sleeve; 4. reinforced inner sleeve; 5. thickened wear-resistant pad; 6. connecting ring; 7. upper extension box; 8. upper rubber sleeve; 9. protective pad; 10. buffer ring; 11. bone knife; 1101. mounting plate; 1102. knife rod; 1103. knife head; 1104. threaded fastening rod; 12. external threaded surface; 13. expansion ring; 14. internal thread ring; 15. first limiting sleeve; 16. second limiting sleeve; 17. protective sleeve; 18. weight reduction hole; 19. compression pad; 20. sealing pad; 21. auxiliary ring; 22. round hole. DETAILED DESCRIPTION

[0025] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4 , a protective rubber sleeve for an ultrasonic bone knife, comprising a placement box 1, a lower extension box 2 is connected through the bottom of the placement box 1, and a protective mechanism is arranged on the lower extension box 2;

[0028] The protective mechanism includes a lower rubber sleeve 3 which is connected through the bottom of the lower extension box 2, a reinforced inner sleeve 4 is fixedly connected inside the lower rubber sleeve 3, a thickened wear-resistant pad 5 is fixedly connected inside the reinforced inner sleeve 4, a connecting ring 6 is slidably and interlacedly connected on the placement box 1, the top of the connecting ring 6 is connected through the upper extension box 7, the top of the upper extension box 7 is connected through the upper rubber sleeve 8, the top of the upper rubber sleeve 8 is fixedly connected with a protective pad 9, the protective pad 9 is made of sponge material, and the top inner wall of the upper rubber sleeve 8 is fixedly connected with a buffer ring 10, which is made of sponge material.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4 , this embodiment provides a technical solution based on the first embodiment: a bone knife 11 is arranged in the placement box 1, and the bone knife 11 includes a mounting plate 1101, a knife rod 1102 is fixedly connected to the bottom of the mounting plate 1101, the knife rod 1102 slides and extends into the lower rubber sleeve 3, a knife head 1103 is fixedly connected to the bottom end of the knife rod 1102, a threaded fastening rod 1104 is fixedly connected to the top of the mounting plate 1101, and the top end of the threaded fastening rod 1104 slides and extends into the upper rubber sleeve 8; an outer wall of the placement box 1 is provided with an external threaded surface 12, an expansion ring 13 is fixedly connected to the outer wall of the connecting ring 6, an inner screw ring 14 is fixedly connected to the bottom of the expansion ring 13, and the inner screw ring 14 and the external threaded surface 1 2 threaded connection; a first limiting sleeve 15 is fixedly connected inside the lower rubber sleeve 3, and a second limiting sleeve 16 is fixedly connected inside the lower rubber sleeve 3; a plurality of protective sleeves 17 are fixedly provided on the outer wall of the lower rubber sleeve 3, and the protective sleeves 17 are made of rubber material, and a plurality of weight-reducing holes 18 are opened on the protective sleeves 17; a pressing pad 19 is fixedly connected to the bottom of the connecting ring 6, and the bottom of the pressing pad 19 is in contact with the mounting plate 1101; a sealing pad 20 is fixedly connected to the bottom of the expansion ring 13, and the sealing pad 20 is made of rubber material, and the bottom of the sealing pad 20 is in contact with the top of the placement box 1; an auxiliary ring 21 is fixedly connected to the top of the connecting ring 6, and a plurality of circular holes 22 are opened on the outer wall of the auxiliary ring 21.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective rubber sleeve for an ultrasonic osteotome, comprising a placement box (1), characterized in that: The bottom of the placement box (1) is connected through a lower extension box (2), and a protective mechanism is provided on the lower extension box (2); The protective mechanism comprises a lower rubber sleeve (3) penetrating and connected to the bottom of the lower extension box (2), a reinforced inner sleeve (4) being fixedly connected inside the lower rubber sleeve (3), a thickened wear-resistant pad (5) being fixedly connected inside the reinforced inner sleeve (4), a connecting ring (6) being slidably inserted and connected on the placement box (1), the top of the connecting ring (6) being penetrating and connected to the upper extension box (7), the top of the upper extension box (7) being penetrating and connected to the upper rubber sleeve (8), the top of the upper rubber sleeve (8) being fixedly connected to the protective pad (9), and the top inner wall of the upper rubber sleeve (8) being fixedly connected to the buffer ring (10).

2. A protective rubber sleeve for an ultrasonic osteotome according to claim 1, characterized in that: A bone knife (11) is arranged in the placement box (1), and the bone knife (11) comprises a mounting plate (1101), the bottom of the mounting plate (1101) is fixedly connected to a knife rod (1102), the knife rod (1102) slides and extends into the lower rubber sleeve (3), the bottom end of the knife rod (1102) is fixedly connected to a knife head (1103), the top of the mounting plate (1101) is fixedly connected to a threaded fastening rod (1104), and the top end of the threaded fastening rod (1104) slides and extends into the upper rubber sleeve (8).

3. A protective rubber sleeve for an ultrasonic osteotome according to claim 2, characterized in that: The outer wall of the placement box (1) is provided with an external threaded surface (12), the outer wall of the connecting ring (6) is fixedly connected with an expansion ring (13), the bottom of the expansion ring (13) is fixedly connected with an internal threaded ring (14), and the internal threaded ring (14) is threadedly connected to the external threaded surface (12).

4. The protective rubber sleeve for ultrasonic osteotome according to claim 1, characterized in that: A first limiting sleeve (15) is fixedly connected inside the lower rubber sleeve (3), and a second limiting sleeve (16) is fixedly connected inside the lower rubber sleeve (3).

5. The protective rubber sleeve for ultrasonic osteotome according to claim 1, characterized in that: The outer wall fixed sleeve of the lower rubber sleeve (3) is provided with a plurality of protective sleeves (17), and the protective sleeves (17) are provided with a plurality of weight-reducing holes (18).

6. The protective rubber sleeve for ultrasonic osteotome according to claim 1, characterized in that: A compression pad (19) is fixedly connected to the bottom of the connecting ring (6), and the bottom of the compression pad (19) is in contact with the mounting plate (1101).

7. The protective rubber sleeve for ultrasonic osteotome according to claim 3, characterized in that: A sealing gasket (20) is fixedly connected to the bottom of the expansion ring (13), and the bottom of the sealing gasket (20) is in contact with the top of the placement box (1).

8. The protective rubber sleeve for ultrasonic osteotome according to claim 1, characterized in that: An auxiliary ring (21) is fixedly connected to the top of the connecting ring (6), and a plurality of circular holes (22) are formed on the outer wall of the auxiliary ring (21).

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