Cutter head of medical arthroscope

Abstract

The utility model discloses a tool bit of a medical arthroscope, and aims to provide the tool bit of the medical arthroscope, which can be used for simply and conveniently cleaning diseased tissues. Comprising an arthroscope cannula, a joint knife head is installed in the arthroscope cannula in a sleeved mode, the tail end of the joint knife head is connected with a rotating driving shaft, a spherical grinding knife is arranged at the top of the joint knife head, a telescopic absorption rod is arranged at the top of the spherical grinding knife, an absorption cavity is formed in the joint knife head, and the absorption cavity is communicated with the absorption rod. The joint knife has the advantages that the absorbing and cleaning functions are integrated on the joint knife, and the joint knife is easy and convenient to operate when an operation is carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a knife head of a medical arthroscope. Background Art

[0002] In the past decade, arthroscopy has been adopted by more and more doctors and patients as an important means of clinical examination, diagnosis and treatment in orthopedics. Compared with traditional joint incision, arthroscopic surgery has many advantages such as less trauma, faster recovery and lower cost. However, due to the small surgical space during arthroscopy, there are certain difficulties in cleaning and aspirating the diseased tissue after cutting, which makes the operation inconvenient and affects the operation time. Utility Model Content

[0003] The utility model aims to overcome the inconvenience of cleaning diseased tissue in the prior art and provides a medical arthroscopic cutter head which can make cleaning diseased tissue simple and convenient.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a medical arthroscopic blade head, including an arthroscopic sleeve, an arthroscopic blade head is sleeved and installed inside the arthroscopic sleeve, the tail end of the arthroscopic blade head is connected to a rotating drive shaft, a spherical grinder is arranged on the top of the arthroscopic blade head, a retractable absorption rod is arranged on the top of the spherical grinder, an absorption cavity is arranged inside the arthroscopic blade head, and the absorption cavity is connected to the absorption rod.

[0005] Preferably, a bearing groove is provided inside the arthroscopic sleeve, a stabilizing bearing is installed in the bearing groove, and the articular cutter head is sleeved with the stabilizing bearing.

[0006] Preferably, a drainage hole is provided at the bottom of the joint cutter head, the drainage hole is communicated with the absorption chamber, and the drainage hole is provided with a blocking block.

[0007] Preferably, a suction pump is provided at the bottom of the articulated cutter head, and the suction pump is connected to the absorption chamber.

[0008] Preferably, the absorption rod includes a telescopic rod and a suction tube, the telescopic rod is connected to the suction tube, the end of the suction tube passes through the spherical grinder, the side wall of the end of the suction tube is provided with a plurality of suction holes, the inside of the suction tube is provided with a guide hole, the suction hole is connected with the guide hole, the side wall of the joint cutter head is provided with a connecting hole, one end of the connecting hole is connected with the guide hole, and the other end of the connecting hole is connected with the absorption chamber.

[0009] Preferably, the suction hole is a tapered hole, and the large radius end of the suction hole faces outward.

[0010] Preferably, a clearance groove is arranged on the top of the spherical grinder, and the clearance groove is in the shape of an arc surface. A support block is arranged on the top of the suction tube, and the support block is in the shape of an arc surface. The support block can be matched and embedded in the clearance groove.

[0011] The beneficial effects of the utility model are as follows: the device is provided with a retractable absorption rod, on which an absorption hole is provided; at the same time, an absorption cavity connected with the absorption hole is provided inside the joint cutter head; the absorption cavity is connected with a suction pump, so that when the absorption rod is extended outward, the absorption hole is exposed; under the action of the suction pump, the absorption hole can suck the diseased tissue cut off during the operation into the absorption cavity, so that the joint cutter is integrated with the absorption and cleaning function, making the operation simple and convenient during the operation; the arc-shaped support block arranged on the top of the suction tube can support the skin at the wound, facilitate the suction of the suction hole, make the absorption and cleaning clean and thorough, and ensure the quality of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional view of the utility model;

[0013] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0014] In the accompanying drawings,

[0015] 1. Arthroscopic sleeve, 2. Arthroscope head, 3. Rotating drive shaft, 4. Spherical grinder, 5. Absorption rod, 6. Absorption cavity, 10. Bearing groove, 11. Stable bearing, 20. Drain hole, 21. Blocking block, 22. Suction pump, 40. Make way groove, 41. Support block, 50. Telescopic rod, 51. Suction tube, 52. Suction hole, 53. Diversion hole, 54. Connecting hole. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0017] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0018] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0019] Embodiment 1, as Figure 1-2 As shown, a medical arthroscopic blade head includes an arthroscopic sleeve 1, an arthroscopic blade head 2 is sleeved and installed inside the arthroscopic sleeve 1, a rotating drive shaft 3 is connected to the rear end of the arthroscopic blade head 2, a spherical grinder 4 is arranged on the top of the arthroscopic blade head 2, a retractable absorption rod 5 is arranged on the top of the spherical grinder 4, an absorption cavity 6 is arranged inside the arthroscopic blade head 2, and the absorption cavity 6 is connected to the absorption rod 5.

[0020] A bearing groove 10 is arranged inside the arthroscopic sleeve 1 , a stabilizing bearing 11 is installed in the bearing groove 10 , and the articular cutter head 2 is sleeved with the stabilizing bearing 11 .

[0021] A drainage hole 20 is provided at the bottom of the joint cutter head 2 . The drainage hole 20 is communicated with the absorption chamber 6 . A blocking block 21 is provided at the drainage hole 20 .

[0022] A suction pump 22 is provided at the bottom of the articulated cutter head 2 , and the suction pump 22 is communicated with the absorption chamber 6 .

[0023] The absorption rod 5 includes a telescopic rod 50 and a suction tube 51, the telescopic rod 50 is connected to the suction tube 51, the end of the suction tube 51 passes through the spherical grinder 4, the side wall of the end of the suction tube 51 is provided with a plurality of suction holes 52, the inside of the suction tube 51 is provided with a guide hole 53, the suction hole 52 is connected with the guide hole 53, the side wall of the joint cutter head 2 is provided with a connecting hole 54, one end of the connecting hole 54 is connected with the guide hole 53, and the other end of the connecting hole 54 is connected with the absorption chamber 6.

[0024] The suction hole 52 is a tapered hole, and the large radius end of the suction hole 52 faces outward.

[0025] A clearance groove 40 is arranged on the top of the spherical grinder 4, and the clearance groove 40 is in an arc shape. A support block 41 is arranged on the top of the suction tube 51, and the support block 41 is in an arc shape. The support block 41 can be matched and embedded in the clearance groove 40.

[0026] The working principle of the utility model is as follows: Figure 1-2 As shown, the arthroscopic sleeve 1 is a circular tube, and two groups of bearing grooves 10 are arranged on the inner wall of the arthroscopic sleeve 1, and a stable bearing 11 is installed in the bearing groove 10. At the same time, a joint cutter head 2 is sleeved at the end of the joint sleeve 1, and the joint cutter head 2 is sleeved with the stable bearing 11. A rotating drive shaft 3 is connected to the tail of the joint cutter head 2, and the rotating drive shaft 3 can drive the joint cutter head 2 to rotate. A spherical grinder 4 is arranged on the top of the joint cutter head 2. When the joint cutter head 2 rotates, the spherical grinder 4 can be driven to cut the bone joint to complete the bone joint surgery. An absorption chamber 6 is arranged inside the tail end of the joint cutter head 2, and a retractable absorption rod 5 is arranged on the top of the spherical grinder 4. The absorption rod 5 is in a connected state with the absorption chamber 6. The absorption is used to absorb the diseased tissue cut off during the bone joint surgery, and the absorption is transferred to the absorption chamber 6.

[0027] At the same time, a drainage hole 20 is arranged at the bottom of the articular blade 2, and the drainage hole 20 is connected with the absorption chamber 6. At the same time, a sealing block 21 is arranged in the drainage hole 20, and the sealing block 21 can block the drainage hole 20. When the cut diseased tissue is absorbed into the absorption chamber 6, the sealing block 21 is in a sealing state, and is used to store the cut diseased tissue. After the operation is completed, when cleaning the surgical instruments, the sealing block 21 is opened, the cut diseased tissue is poured out, and the absorption chamber 6 is flushed, disinfected and other operations are performed.

[0028] A suction pump 22 is also provided at the bottom of the articular cutter head 2, and the suction pump 22 is connected to the absorption chamber 6, so as to conveniently suction the cut diseased tissue into the absorption chamber 6, thereby facilitating the surgical operation.

[0029] At the same time, the absorption rod 5 is composed of a telescopic rod 50 and a suction tube 51. The telescopic rod 50 is connected to the absorption chamber 6, and the telescopic end of the telescopic rod 50 is connected to the suction tube 51. The suction tube 51 passes through the spherical grinder 4. A clearance groove 40 is provided on the top of the spherical grinder 4, and the clearance groove 40 is in the shape of an arc surface. At the same time, a support block 41 is connected to the top of the suction tube 51, and the support block 41 is also in the shape of an arc surface, and the support block 41 can be embedded in the clearance groove 40, so that the support block 41 and the spherical grinder 4 form a sphere. A plurality of suction holes 52 are provided on the side wall of the end of the suction tube 51, and the suction hole 52 is a conical hole, wherein the large radius end of the suction hole 52 faces outward. A guide hole 53 is provided inside the suction tube 51, and the guide hole 53 is connected to the suction hole 52. At the same time, a connecting hole 54 is provided on the side wall of the joint cutter head 2, and the connecting hole 54 is connected to the absorption chamber 6. At the same time, when the telescopic rod 50 drives the suction rod to move outward, when the guide hole 53 is connected with the connecting hole 54, the cut diseased tissue can be sucked from the suction hole 52 and enter the absorption chamber 6 through the guide hole 53 and the connecting hole 54, thereby completing the absorption treatment of the cut diseased tissue at the diseased joint. There is no need to equip it with absorption equipment, so that the joint cutter head 2 has the absorption treatment function, which makes the operation simple and convenient during the surgical operation, thereby improving the surgical efficiency.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A medical arthroscopic blade, characterized in that: The invention comprises an arthroscopic sleeve (1), wherein an arthroscopic cutter head (2) is sleeved and installed inside the arthroscopic sleeve (1), the rear end of the arthroscopic cutter head (2) is connected to a rotating drive shaft (3), a spherical grinder (4) is arranged on the top of the arthroscopic cutter head (2), a retractable absorption rod (5) is arranged on the top of the spherical grinder (4), an absorption cavity (6) is arranged inside the arthroscopic cutter head (2), and the absorption cavity (6) is connected to the absorption rod (5).

2. The blade of a medical arthroscopy according to claim 1, characterized in that: A bearing groove (10) is provided inside the arthroscopic sleeve (1), a stabilizing bearing (11) is installed in the bearing groove (10), and the articular cutter head (2) is sleeved with the stabilizing bearing (11).

3. The blade of a medical arthroscopy according to claim 1, characterized in that: The bottom of the joint cutter head (2) is provided with a drainage hole (20), the drainage hole (20) is in communication with the absorption chamber (6), and the drainage hole (20) is provided with a blocking block (21).

4. The blade of a medical arthroscopy according to claim 1, characterized in that: A suction pump (22) is provided at the bottom of the articulated cutter head (2), and the suction pump (22) is connected to the absorption chamber (6).

5. The blade of a medical arthroscopy according to claim 1, characterized in that: The absorption rod (5) comprises a telescopic rod (50) and a suction tube (51), wherein the telescopic rod (50) is connected to the suction tube (51), the end of the suction tube (51) passes through the spherical grinder (4), a plurality of suction holes (52) are arranged on the side wall of the end of the suction tube (51), a guide hole (53) is arranged inside the suction tube (51), the suction hole (52) is connected to the guide hole (53), and a connecting hole (54) is arranged on the side wall of the joint cutter head (2), one end of the connecting hole (54) is connected to the guide hole (53), and the other end of the connecting hole (54) is connected to the absorption chamber (6).

6. The blade of a medical arthroscopy according to claim 5, characterized in that: The suction hole (52) is a tapered hole, and the large radius end of the suction hole (52) faces outward.

7. The blade of a medical arthroscopy according to claim 5, characterized in that: The top of the spherical grinder (4) is provided with a clearance groove (40), the clearance groove (40) is in the shape of an arc surface, and the top of the suction tube (51) is provided with a support block (41), the support block (41) is in the shape of an arc surface, and the support block (41) can be matched and embedded in the clearance groove (40).

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