Ultrasonic cutting hemostasis tool bit capable of being quickly disassembled
By designing a quick disassembly mechanism on the ultrasonic cutting hemostasis knife head, using components such as control handles, sliding strips and fastening sleeves, the problem of inconvenient replacement of the knife head in the prior art is solved, rapid installation and disassembly are achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN202421878498.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing ultrasonic cutting hemostatic cutting head is not convenient enough to replace it, and the shell needs to be split up and down, resulting in a long time to remove the head and reducing working efficiency.
A quick-removable ultrasonic cutting hemostasis cutter head is designed, and the quick installation and removal of the cutter head assembly is achieved by setting control handles and control buttons on the side of the mounting housing, using sliding bars and spring mechanisms, combined with fastening sleeves and fastening screws.
It realizes rapid installation and disassembly of the cutting head assembly, saving a lot of time and improving work efficiency.
Smart Images

Figure CN222942411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ultrasonic cutting hemostatic knife heads, in particular to a quickly detachable ultrasonic cutting hemostatic knife head. Background Art
[0002] The ultrasonic hemostatic knife is a new type of surgical equipment that has been used in clinical surgery since the late 1980s. It uses an ultrasonic generator to make the metal blade mechanically oscillate at a frequency of 55.5KHZ, which vaporizes water in tissue cells, breaks protein hydrogen bonds, disintegrates cells, and causes tissue incision or coagulation, thus having both cutting and hemostatic functions.
[0003] The ultrasonic cutting hemostatic knife head has exposed some significant problems in actual applications, such as it is not convenient to replace. The shell needs to be split up and down, and the shell can only be separated by using multiple hidden buckles and other fixing methods between the shells, which results in a long time to remove the knife head, greatly reducing work efficiency. Therefore, in response to the above phenomenon, a quickly detachable ultrasonic cutting hemostatic knife head is proposed to meet the needs of actual use. Utility Model Content
[0004] The utility model provides a quickly detachable ultrasonic cutting hemostatic knife head, which solves the technical problems in the background technology.
[0005] In order to solve the above technical problems, the utility model provides a quickly detachable ultrasonic cutting hemostatic knife head, comprising a mounting shell, a control handle is movably mounted on the side of the mounting shell, a control button is fixedly mounted on the side of the mounting shell, a knife head assembly is movably mounted on the side of the mounting shell, a sliding bar is movably mounted inside the mounting shell, the control handle controls the sliding bar to move forward and backward through a connecting rod, a spring is fixedly sleeved on one end of the sliding bar, a control sleeve is movably connected to the other end of the sliding bar, a mounting cover is detachably mounted on the top of the mounting shell, and a fastening sleeve is movably clamped on the top of the mounting shell and the mounting cover;
[0006] The cutter head assembly comprises a cutting blade rod, one end of which is fixedly sleeved with an elastic base, a side of which is fixedly sleeved with a mounting sleeve, and a side of which is fixedly sleeved with a mushroom head;
[0007] The control sleeve is movably sleeved on the lower surface of the elastic base;
[0008] A sliding sleeve is movably mounted on the bottom of the mounting cover, and the sliding sleeve is movably sleeved on the upper surface of the elastic base.
[0009] Preferably, a mounting groove is formed at the bottom of the mounting cover, the mounting sleeve is movably connected to the bottom of the mounting groove, and the mounting sleeve is movably connected to the side of the mounting shell.
[0010] Preferably, a first side strip is integrally formed on the side of the mounting shell, and first limiting grooves are provided on both the upper and lower sides of the first side strip, and a second side strip is integrally formed on the side of the mounting cover, and the second side strip is combined with the first side strip to form a long strip with a flush top, and a second limiting groove identical to the first limiting groove is provided on the top of the second side strip.
[0011] Preferably, both left and right sides of the fastening sleeve are movably sleeved on the surface of the first side strip, and a fastening screw is provided on the top of the fastening sleeve.
[0012] Preferably, the fastening screw includes a fastening screw, which is threadedly installed on the top of the fastening sleeve, and the top of the fastening sleeve is integrally formed with a mounting column threadedly connected to the fastening screw, the bottom end of the fastening screw is rotatably installed with the fastening column, and the top of the mounting cover is provided with a limiting hole matching the fastening column.
[0013] Compared with the related art, the quickly detachable ultrasonic cutting hemostatic knife head provided by the utility model has the following beneficial effects:
[0014] The utility model provides an ultrasonic cutting hemostatic knife head that can be quickly disassembled. After the two shells of the mounting shell are assembled, the knife head assembly can be placed in the mounting shell, and then the mounting cover is covered on the top of the knife head assembly, and the bottom of the mounting cover is overlapped with the top of the mounting shell, and then the fastening sleeve is pushed to make the fastening sleeve slide from the top of the mounting shell to the top of the mounting cover, and the fastening sleeve and the mounting cover are fastened to the mounting shell by the fastening screws, thereby realizing the rapid installation of the knife head assembly; the disassembly is similar, first the fastening screw is rotated in the opposite direction, and then the fastening sleeve is slid to the top of the mounting shell, and then the mounting cover is removed, and the knife head assembly can be taken out, and the disassembly is convenient and quick, which can save a lot of time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the installation shell of the utility model;
[0017] Figure 3 This is a three-dimensional assembly diagram of the installation cover of the utility model;
[0018] Figure 4 This is a schematic diagram of the installation cover structure of the utility model;
[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the fastening sleeve of the utility model.
[0020] Numbers in the figure: 1. Installation shell; 2. Control handle; 3. Control button; 4. Cutting head assembly; 5. Installation cover; 6. Fastening sleeve; 7. Sliding bar; 8. Spring; 9. Control sleeve; 10. Conductive ring; 11. First side strip; 12. First limiting groove; 41. Cutting knife rod; 42. Elastic base; 43. Installation sleeve; 44. Mushroom head; 51. Second side strip; 52. Second limiting groove; 53. Limiting hole; 54. Sliding sleeve; 55. Installation slot; 61. Fastening screw; 62. Fastening column. DETAILED DESCRIPTION
[0021] Example, by Figure 1-5 The utility model comprises a mounting shell 1, a control handle 2 is movably mounted on the side of the mounting shell 1, a control button 3 is fixedly mounted on the side of the mounting shell 1, a cutter head assembly 4 is movably mounted on the side of the mounting shell 1, a sliding bar 7 is movably mounted inside the mounting shell 1, the control handle 2 controls the sliding bar 7 to move forward and backward through a connecting rod, one end of the sliding bar 7 is fixedly sleeved with a spring 8, the other end of the sliding bar 7 is movably connected with a control sleeve 9, a mounting cover 5 is detachably mounted on the top of the mounting shell 1, and a fastening sleeve 6 is movably clamped on the top of the mounting shell 1 and the mounting cover 5;
[0022] In this embodiment, the mounting shell 1 is composed of two symmetrical shells. By toggling the control handle 2, the sliding bar 7 can be controlled to drive the control sleeve 9 to move, thereby driving the blade head assembly 4 to move and make it contact with the conductive ring 10 to achieve circuit conduction. The top of the mounting shell 1 is approximately cylindrical, and the mounting cover 5 is a semicircular arc of a part thereof.
[0023] The cutter head assembly 4 comprises a cutting blade rod 41, one end of the cutting blade rod 41 is fixedly sleeved with an elastic base 42, a side of the elastic base 42 is fixedly sleeved with a mounting sleeve 43, and a side of the mounting sleeve 43 is fixedly installed with a mushroom head 44;
[0024] The front end of the cutting blade rod 41 can be controlled to rotate by rotating the mushroom head 44 with the index finger, the mounting sleeve 43 is fixed to the cutting blade rod 41 by a pin, and the elastic base 42 is extended and retracted by a wave spring therein.
[0025] The control sleeve 9 is movably sleeved on the lower surface of the elastic base 42 ; the elastic base 42 has protrusions on both sides, and the control sleeve 9 is stuck in the middle of the elastic base 42 .
[0026] The bottom of the installation cover 5 is movably provided with a sliding sleeve 54, which is movably sleeved on the upper surface of the elastic base 42. The elastic base 42 is further limited by the provided sliding sleeve 54. The sliding sleeve 54 is movably connected to the installation cover 5 through the cooperation of the trapezoidal groove and the limiting strip.
[0027] The bottom of the mounting cover 5 is provided with a mounting groove 55, and the mounting sleeve 43 is movably connected to the bottom of the mounting groove 55, and the mounting sleeve 43 is movably connected to the side of the mounting shell 1. The cutter head assembly 4 is matched with the mounting groove 55 and the mounting shell 1 through the raised limiting ring on the mounting sleeve 43. The rotation of the cutter head assembly 4 is not affected.
[0028] A first side strip 11 is integrally formed on the side of the mounting shell 1, and first limiting grooves 12 are provided on the upper and lower sides of the first side strip 11. A second side strip 51 is integrally formed on the side of the mounting cover 5, and the second side strip 51 is combined with the first side strip 11 to form a long strip with a flush top, and a second limiting groove 52 identical to the first limiting groove 12 is provided on the top of the second side strip 51.
[0029] The left and right sides of the fastening sleeve 6 are movably sleeved on the surface of the first side strip 11 , and a fastening screw 61 is provided on the top of the fastening sleeve 6 .
[0030] The fastening screw 61 includes a fastening screw 61, which is threadedly installed on the top of the fastening sleeve 6, and the top of the fastening sleeve 6 is integrally formed with a mounting column threadedly connected to the fastening screw 61, and the bottom end of the fastening screw 61 is rotatably installed with a fastening column 62, and the top of the mounting cover 5 is provided with a limiting hole 53 matching the fastening column 62.
[0031] In this embodiment, after the mounting cover 5 is combined with the mounting shell 1, the fastening sleeve 6 can be moved from the first side strip 11 to the top of the mounting cover 5, and the mounting cover 5 and the mounting shell 1 are fixed by the fastening sleeve 6. The fastening column 62 is driven to rise and fall and cooperate with the limiting hole 53 by rotating the fastening screw 61, thereby achieving the fixation of the fastening sleeve 6.
[0032] Working principle: After the two shells of the mounting shell 1 are assembled, the cutter head assembly 4 can be placed in the mounting shell 1, and then the mounting cover 5 is covered on the top of the cutter head assembly 4, and the bottom of the mounting cover 5 is overlapped with the top of the mounting shell 1, and then the fastening sleeve 6 is pushed to make the fastening sleeve 6 slide from the top of the mounting shell 1 to the top of the mounting cover 5, and the fastening sleeve 6 and the mounting cover 5 are fastened to the mounting shell 1 with the fastening screw 61, so as to realize the rapid installation of the cutter head assembly 4; the disassembly is similar, first rotate the fastening screw 61 in the opposite direction, then slide the fastening sleeve 6 to the top of the mounting shell 1, and then remove the mounting cover 5, and the cutter head assembly 4 can be taken out. The disassembly is convenient and quick, which can save a lot of time.
Claims
1. A quickly detachable ultrasonic cutting hemostatic knife head, comprising a mounting shell (1), a control handle (2) movably mounted on the side of the mounting shell (1), a control button (3) fixedly mounted on the side of the mounting shell (1), a knife head assembly (4) movably mounted on the side of the mounting shell (1), a sliding bar (7) movably mounted inside the mounting shell (1), the control handle (2) controls the sliding bar (7) to move forward and backward through a connecting rod, a spring (8) is fixedly sleeved on one end of the sliding bar (7), and a control sleeve (9) is movably connected to the other end of the sliding bar (7), characterized in that: A mounting cover (5) is detachably mounted on the top of the mounting shell (1), and a fastening sleeve (6) is movably engaged between the tops of the mounting shell (1) and the mounting cover (5); The cutter head assembly (4) comprises a cutting blade rod (41), one end of the cutting blade rod (41) is fixedly sleeved with an elastic base (42), a side of the elastic base (42) is fixedly sleeved with a mounting sleeve (43), and a side of the mounting sleeve (43) is fixedly sleeved with a mushroom head (44); The control sleeve (9) is movably sleeved on the lower surface of the elastic base (42); A sliding sleeve (54) is movably mounted on the bottom of the mounting cover (5), and the sliding sleeve (54) is movably sleeved on the upper surface of the elastic base (42).
2. The quickly detachable ultrasonic cutting hemostatic knife head according to claim 1, characterized in that: The bottom of the installation cover (5) is provided with an installation groove (55), the installation sleeve (43) is movably snap-fitted to the bottom of the installation groove (55), and the installation sleeve (43) is movably snap-fitted to the side of the installation housing (1).
3. The quickly detachable ultrasonic cutting hemostatic knife head according to claim 2, characterized in that: A first side strip (11) is integrally formed on the side of the mounting shell (1), and first limiting grooves (12) are provided on both upper and lower sides of the first side strip (11). A second side strip (51) is integrally formed on the side of the mounting cover (5), and the second side strip (51) is combined with the first side strip (11) to form a long strip with a flush top, and a second limiting groove (52) identical to the first limiting groove (12) is provided on the top of the second side strip (51).
4. The quickly detachable ultrasonic cutting hemostatic knife head according to claim 3, characterized in that: The left and right sides of the fastening sleeve (6) are movably sleeved on the surface of the first side strip (11), and a fastening screw (61) is provided on the top of the fastening sleeve (6).
5. The quickly detachable ultrasonic cutting hemostatic knife head according to claim 4, characterized in that: The fastening screw (61) comprises a fastening screw (61), wherein the fastening screw (61) is threadedly mounted on the top of the fastening sleeve (6), a mounting column threadedly connected to the fastening screw (61) is integrally formed on the top of the fastening sleeve (6), a fastening column (62) is rotatably mounted on the bottom end of the fastening screw (61), and a limiting hole (53) matching the fastening column (62) is formed on the top of the mounting cover (5).