Adenoid curette

Abstract

The utility model belongs to the technical field of medical instruments, and discloses an adenoid curette which comprises a handle and an annular cutter head fixedly arranged on the handle, and further comprises a cutter assembly, and the cutter assembly comprises a push rod and a cutting blade fixedly arranged on the push rod; a first cavity is formed in the handle, the push rod is arranged in the first cavity in a sliding mode, a groove is formed in the annular tool bit and matched with the slice in position, and an adjusting device used for enabling the push rod to drive the slice to stretch out of or be embedded in the groove is arranged on the handle. When the adenoid body is cut, the area of an incision can be reduced, the operation is convenient and fast, the safety is high, and the adenoid body cutting knife is suitable for cutting hypertrophy adenoid bodies.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments and relates to a curette, in particular to an adenoid curette. Background Art

[0002] Adenoids hypertrophy is a common disease in children. During the treatment process, an endoscope is extended from the patient's nasal cavity to the position of the adenoids, and then a scraper is inserted from the patient's oral cavity. The two are used together to remove the hypertrophic part. One end of the prior art scraper is a handle, and the other end is a ring-shaped blade. When used, the endoscope is used to find the position of the part that needs to be cut, and then the ring-shaped blade is put on the hypertrophic adenoids, and the scraper is moved from the inside of the oral cavity to the outside of the oral cavity, so that the scraper cuts the adenoids until the adenoids are completely removed. The disadvantage of the above structure is that after the scraper removes most of the adenoids, a relatively thin layer of epidermis will remain to connect the adenoids to the oral wall. It can only be completely cut off by extending the moving path of the scraper so that the end of the ring-shaped blade contacts the torn epidermis, but this method will increase the area of ​​the incision, which is not conducive to the patient's later recovery. Utility Model Content

[0003] In order to solve the above deficiencies in the prior art, the utility model aims to provide an adenoids curette to facilitate rapid excision of the connected epidermis and reduce the incision area.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] An adenoids curette comprises a handle and an annular cutter head fixed on the handle, and also comprises a cutter assembly, wherein the cutter assembly comprises a push rod and a cutter fixed on the push rod;

[0006] The handle is provided with a first cavity, the push rod is slidably arranged in the first cavity, the annular cutter head is provided with a groove, the groove matches the position of the slice, and the handle is provided with an adjustment device for allowing the push rod to drive the slice to extend out or be embedded in the groove.

[0007] As a limitation of the present utility model, the handle is provided with an opening connected to the first cavity, and a second cavity is also provided in the handle; the adjusting device includes a push block, a limit block and a spring; the push block is fixed on the push rod, and the push block is slidably arranged in the opening; the limit block is fixed on the push rod and is located in the second cavity of the handle; the spring is sleeved on the push rod, and one end of the spring abuts against the limit block, and the other end abuts against the other end of the second cavity.

[0008] As a further limitation of the utility model, a liquid suction cavity is provided in the annular cutter head, and the liquid suction cavity is connected with the external cutting part of the annular cutter head through the liquid suction hole; a suction straw is fixedly provided on the liquid suction cavity, and the end of the suction straw is connected to the negative pressure source.

[0009] As another limitation of the present invention, the handle is provided with a plurality of clamping rings for fixing the straws.

[0010] As a limitation of the present utility model, the handle includes a hand-holding rod and a fixed rod, the fixed rod is detachably arranged on the hand-holding rod, and the other end of the fixed rod is fixedly connected to the annular cutter head; the first cavity passes through the hand-holding rod and the fixed rod, the second cavity is arranged on the hand-holding rod, and the opening is connected to the first cavity on the hand-holding rod.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0012] (1) The utility model is provided with a cutter assembly, which drives the slice to extend out or be embedded in the groove of the annular cutter head by controlling the push rod. When the annular cutter head is used to cut the adenoids, the slice is hidden in the groove and will not cause damage to the patient's oral wall. When the annular cutter head cuts off most of the adenoids and only leaves a layer of epidermis, the slice is pushed out by the push rod so that the slice contacts the epidermis, and then the slice is pushed into the oral cavity so that the slice cooperates with the annular cutter head to cut the epidermis. Since the adenoids are blocked by the annular cutter head and will not move with the cutting of the slice, the slice can quickly cut the epidermis, reducing the pulling of the epidermis. In addition, during the cutting process, the adenoids move to the original position, and no new wound surface is generated, thereby reducing the incision area and facilitating the patient's later recovery.

[0013] (2) The utility model utilizes the elastic force of the spring to automatically embed the slice into the groove of the annular cutter head, and the slice will not pop out at will. When in use, the push block can be pushed by external force, which is quick and convenient to use and highly safe.

[0014] (3) The annular blade head of the utility model is provided with a liquid suction chamber connected to the outside. The blood and water in the cutting process can be sucked away in time by using a suction tube structure connected to a negative pressure source to prevent the blood and water from entering the patient's throat cavity and causing danger;

[0015] (4) The utility model fixes the straw with a clamp ring so that the straw and the handle are integrated, preventing the straw from swinging and affecting the field of vision, thus avoiding interference of the straw to the doctor.

[0016] In summary, the utility model can reduce the incision area when cutting adenoids, is easy to operate, has high safety, and is suitable for removing hypertrophic adenoids. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 It is a side structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model;

[0020] Figure 3 It is a schematic cross-sectional structure diagram of a hand-held rod according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of the connection between the fixing rod and the annular cutter head according to an embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0023] Figure 6 for Figure 1 Schematic diagram of the enlarged structure of part A.

[0024] In the figure: 1. handle; 11. holding rod; 111. first cavity; 112. second cavity; 113. opening; 12. fixing rod; 2. annular cutter head; 21. groove; 22. liquid suction cavity; 23. liquid suction hole; 3. straw; 4. retaining ring; 5. cutter assembly; 51. push rod; 52. slice; 6. adjusting device; 61. push block; 62. limit block; 63. spring. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention, and are not used to limit the present invention.

[0026] Example Adenoids Curette

[0027] like Figure 1 As shown, this embodiment includes a handle 1 and an annular cutter head 2 fixed on the handle 1. The structure of the annular cutter head 2 adopts the existing technology, and the end of the annular cutter head 2 away from the handle 1 is bent and tilted upward. The main improvement of this embodiment is the addition of a cutter assembly 5, and the partial structures of the handle 1 and the annular cutter head 2 are adjusted according to the assembly method of the cutter assembly 5, which is described in detail below.

[0028] like Figure 2-4As shown, the handle 1 includes a hand-held rod 11 and a fixed rod 12. The hand-held rod 11 is thicker and convenient for holding, and the fixed rod 12 is thinner and convenient for extending into the patient's oral cavity. The annular blade head 2 is integrally fixedly connected to the end of the fixed rod 12 that is not connected to the hand-held rod 11. An external thread is provided on the outer wall of the end of the hand-held rod 11, and the portion where the fixed rod 12 is connected to the hand-held rod 11 is thicker, forming a concave cavity with an internal thread. The concave cavity of the fixed rod 12 is buckled on the hand-held rod 11, and the two are detachably connected together through threads. A first cavity 111 is provided in both the hand-held rod 11 and the fixed rod 12, that is, the first cavity 111 extends from the hand-held rod 11 to the fixed rod 12. The handle bar 11 is also provided with a second cavity 112, which is formed by the end surface of the handle bar 11 having an external thread being recessed inwardly along the length direction of the handle bar 11. The first cavity 111 of the handle bar 11 is formed by the bottom surface of the second cavity 112 being recessed inwardly along the length direction of the handle bar 11, and the first cavity 111 of the fixed bar 12 runs through the entire fixed bar 12. The cross-sectional area of ​​the second cavity 112 is greater than the cross-sectional area of ​​the first cavity 111. Figure 5 As shown, an opening 113 is provided on the handle bar 11, and the opening 113 is recessed from the outer surface of the handle bar 11 toward the first cavity 111, so that the opening 113 is connected to the first cavity 111 of the handle bar 11, and the opening 113 is arranged along the length direction of the handle bar 11, and the length of the opening 113 is relatively short, which is 3 cm in this embodiment.

[0029] like Figure 6 The annular cutter head 2 is provided with a groove 21, which is located at the end of the annular cutter head 2 opposite to the tilted part, and is formed by the inner surface of the annular cutter head 2 being recessed inward. The annular cutter head 2 is a solid structure, wherein a liquid suction chamber 22 is provided inside one side of the annular cutter head 2, and a plurality of liquid suction holes 23 connected to the liquid suction chamber 22 are provided on the annular cutter head 2, and the liquid suction holes 23 are located on the inner surface of the annular structure of the annular cutter head 2, so that the blood generated during the cutting of the adenoids can flow into the liquid suction chamber 22 through the liquid suction holes 23. The upper end surface of the liquid suction chamber 22 is provided with a jack, and a straw 3 is plugged into the jack. The end of the straw 3 is connected to a negative pressure source, so that the blood in the liquid suction chamber 22 can be sucked away, and the straw 3 can be replaced each time, thereby improving the sanitary conditions of the operation. The hand-held rod 11 and the fixed rod 12 are provided with a plurality of clamps 4 for fixing the straw 3, so that the straw 3 is fixed on the handle 1 and will not swing at will during the operation.

[0030] like Figure 2 , Figure 5As shown, the cutter assembly 5 includes a push rod 51 and a slice 52 fixed on the push rod 51. One end of the push rod 51 fixed to the slice 52 passes through the groove 21 and extends into the first cavity 111 of the hand-held rod 11 and the fixed rod 12, and the push rod 51 is slidably arranged in the first cavity 111, and the push rod 51 is controlled by the adjustment device 6 to drive the slice 52 to extend out or be embedded in the groove 21. The groove 21 matches the position of the slice 52, and the shape also matches, so that the slice 52 can be completely located in the groove 21.

[0031] like Figure 2 As shown, the adjusting device 6 includes a push block 61, a stop block 62 and a spring 63. The push block 61 is fixed on the push rod 51. The width of the push block 61 matches the width of the opening 113 on the hand-held rod 11, so that the two ends of the push block 61 can slide along the inner walls on both sides of the opening 113; the height of the push block 61 is substantially the same as the surface of the hand-held rod 11, which is convenient for manual pushing; the length of the push block 61 is 2 cm, and the initial position of the push block 61 is located at the left inner wall of the opening 113 ( Figure 5 The left inner wall of the opening 113 is made so that the push block 61 moves toward the right inner wall of the opening 113 by a distance of 1 cmm, so as to prevent the slice 52 from moving too far and accidentally injuring the patient. By pushing the push block 61 to slide in the opening 113, the push rod 51 connected to the push block 61 can be driven to move along the length direction of the hand-held rod 11, so that the slice 52 extends out of the groove 21 of the annular cutter head 2. The limit block 62 is fixed on the push rod 51. The limit block 62 is an annular block and is sleeved and fixed on the push rod 51. The limit block 62 is located in the second cavity 112 of the hand-held rod 11. The spring 63 is sleeved on the push rod 51, and one end of the spring abuts against the limit block 62, and the other end abuts against the other end of the second cavity 112, that is, in the concave cavity with an internal thread of the fixed rod 12. When the slice 52 needs to be pushed out of the groove 21 of the annular cutter head 2, the push block 61 at the opening 113 of the hand-held rod 11 is pushed, and the push block 61 drives the push rod 51 to compress the spring 63 to move, so that the slice 52 moves and is pushed out, and is used to cut off the epidermis of the adenoid. When the slice 52 is not needed, the spring 63 drives the push rod 51 to move toward the hand-held rod 11 when it returns to its original state, so that the slice 52 is embedded in the groove 21.

[0032] When using this embodiment, hold the handle 1, extend the annular blade head 2 toward the oral cavity, and put it on the adenoids to be removed, then pull the entire scraper outward to make the annular blade head 2 cut the adenoids. When most of the adenoids are cut off and only some epidermis is left, push the push block 61 to make the push rod 51 drive the slice 52 to extend out of the groove 21. When the slice 52 extends to a certain length, move the scraper toward the oral cavity as a whole to make the cutter contact with the epidermis. The adenoids are blocked by the end of the annular blade head 2, and the slice 52 contacts with the epidermis to cut off the epidermis. In the process of cutting the epidermis, the adenoids move toward the incision direction of the oral cavity, and the area of ​​the incision will not be further increased, which is beneficial to the recovery of the patient in the later stage.

[0033] It should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adenoids curette, characterized in that: It includes a handle and an annular cutter head fixed on the handle, and also includes a cutter assembly, the cutter assembly includes a push rod and a cutter fixed on the push rod; The handle is provided with a first cavity, the push rod is slidably arranged in the first cavity, the annular cutter head is provided with a groove, the groove matches the position of the slice, and the handle is provided with an adjustment device for allowing the push rod to drive the slice to extend out or be embedded in the groove.

2. The adenoids curette according to claim 1, characterized in that: The handle is provided with an opening connected to the first cavity, and a second cavity is also provided in the handle; the adjusting device includes a push block, a limit block and a spring; the push block is fixed on the push rod, and the push block is slidably arranged in the opening; the limit block is fixed on the push rod and is located in the second cavity of the handle; the spring is sleeved on the push rod, and one end of the spring abuts against the limit block, and the other end abuts against the other end of the second cavity.

3. The adenoids curette according to claim 2, characterized in that: A liquid suction cavity is arranged in the annular cutter head, and the liquid suction cavity is communicated with the external cutting part of the annular cutter head through the liquid suction hole; a suction straw is fixedly arranged on the liquid suction cavity, and the end of the suction straw is connected to the negative pressure source.

4. The adenoids curette according to any one of claims 1 to 3, characterized in that: The handle is provided with a plurality of clamping rings for fixing the straws.

5. The adenoids curette according to claim 4, characterized in that: The handle includes a hand-held rod and a fixed rod, the fixed rod is detachably arranged on the hand-held rod, and the other end of the fixed rod is fixedly connected to the annular cutter head; the first cavity runs through the hand-held rod and the fixed rod, the second cavity is arranged on the hand-held rod, and the opening is connected to the first cavity on the hand-held rod.

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