Electric handle for hair follicle extraction

Abstract

The utility model relates to the technical field of shell surgical instruments, in particular to an electric handle for extracting hair follicles. The structure of the bearing main connecting rod and the structure of the bearing outer sleeve are improved, particularly, the annular blocking piece formed by the annular convex edge and the annular column structure is arranged on the bearing main connecting rod, and the blocking groove formed by the circular groove and the annular groove structure is formed in the bearing outer sleeve, so that on one hand, the structure is convenient to assemble, and in the assembling state, the bearing outer sleeve is not damaged; the annular blocking piece is in clearance fit with the blocking groove, the bearing main connecting rod and the bearing outer sleeve are connected only through the bearing, friction between the annular blocking piece and the blocking groove is avoided, and therefore the stability of power transmission is guaranteed, power loss is reduced, and on the basis, blood can be prevented from splashing into the bearing body when the hair follicle extraction needle works; pollution and corrosion of the bearing assembly are effectively avoided, and the bearing assembly is kept to work normally for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical operation appliance technical field especially, relates to a kind of follicle extraction electric handle. BACKGROUND

[0002] In hair transplantation surgery, the healthy follicle of patient needs to be extracted by follicle extractor to be transplanted to the part needing transplantation, in the structure of existing follicle extractor, follicle extraction electric handle is the key component for user to hold to extract follicle, referring to the structure principle of a kind of new hair transplant handle disclosed in Chinese patent with the announcement number CN216221602U, it is rotated by bearing main connecting rod driven by motor, so as to rotate follicle extraction needle connected by the clamping piece of bearing main connecting rod end, and the tissue around follicle is trepanned, to achieve the purpose of follicle extraction.

[0003] In the above patent scheme, bearing main connecting rod needs to be connected with bearing outer sleeve by multiple bearings, and bearing outer sleeve needs to be connected with front shell, since bearing main connecting rod, locking cap and follicle extraction needle are all high-speed rotating during follicle extraction work, in order to ensure the smooth rotation of bearing main connecting rod, there must be a gap between bearing main connecting rod and bearing outer sleeve to ensure the high-speed stable rotation of bearing main connecting rod, and during follicle extraction process, when follicle extraction needle contacts skin tissue, it will cause the high-speed splashing of tissue blood and flesh under centrifugal force, part of tissue blood and flesh will enter bearing from the gap between front shell and bearing main connecting rod, causing the pollution and corrosion of bearing assembly, affecting the normal work of bearing, and once tissue blood and flesh enter the position of bearing assembly, it is very difficult to clean, so the service life of existing follicle extraction electric handle is usually not high. SUMMARY

[0004] The technical problem to be solved by the utility model is to improve the structure of follicle extraction electric handle, to avoid the splashing of tissue blood and flesh into the inside of bearing assembly during work, effectively avoid the pollution and corrosion of bearing assembly, and keep bearing assembly working normally for a long time.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme that:

[0006] Follicle extraction electric handle, including bearing main connecting rod, bearing body and bearing outer sleeve;

[0007] The bearing main connecting rod is provided with bearing connecting column, annular barrier and clamping piece in sequence along X direction;

[0008] The bearing connecting column is used for sleeving bearing body, the annular barrier includes circular ring convex edge and circular ring column which is extended to the reverse direction of X direction from circular ring convex edge, and the clamping piece is used for clamping follicle extraction needle;

[0009] The X-direction reverse end of the bearing sleeve is provided with a bearing connecting groove, and the X-direction end of the bearing sleeve is provided with a blocking groove, which comprises a circular groove and a circular annular groove extending to the X-direction reverse end of the circular groove;

[0010] In the assembled state, the bearing body is connected between the bearing connecting column and the bearing connecting groove, and the annular blocking piece is gap-fitted between the blocking grooves.

[0011] Further, the hair follicle extraction electric handle structure further comprises a shell connected to the outside of the bearing sleeve.

[0012] Further, the hair follicle extraction electric handle structure, the shell comprises a rear shell and a front shell arranged in sequence along the X-direction, the rear shell is provided with a first internal thread, and the front shell is provided with a second internal thread, the outside of the bearing sleeve is provided with a first external thread and a second external thread, the bearing sleeve is connected with the rear shell through the first external thread and the first internal thread, and the bearing sleeve is connected with the front shell through the second external thread and the second internal thread.

[0013] Further, the hair follicle extraction electric handle structure, the annular blocking piece and the bearing connecting column are an integral structure.

[0014] Further, the hair follicle extraction electric handle structure, in the assembled state, a plurality of bearing bodies of the same specification are connected between the bearing connecting column and the bearing connecting groove.

[0015] Further, the hair follicle extraction electric handle structure, the adjacent two bearing bodies are abutted with each other through the isolation sleeve.

[0016] Further, the hair follicle extraction electric handle structure, the plurality of bearing bodies are directly abutted with each other.

[0017] Further, the hair follicle extraction electric handle structure, the circular annular column is located in the extension of the circular annular convex edge, and the circular annular groove is located in the extension of the circular groove.

[0018] The hair follicle extraction electric handle structure has the advantages that the structure of the bearing main connecting rod and the bearing sleeve is improved, in particular, the annular blocking piece formed by the circular annular convex edge and the circular annular column is arranged on the bearing main connecting rod, and the blocking groove formed by the circular groove and the circular annular groove is arranged on the bearing sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure sectional view of a hair follicle extraction electric handle of the embodiment of the present application;

[0020] Label explanation:

[0021] 1, bearing main connecting rod; 11, bearing connecting column; 12, annular barrier; 121, round ring convex edge; 122, round ring column; 13, clamping piece;

[0022] 2, bearing body;

[0023] 3, bearing sleeve; 31, bearing connecting groove; 32, barrier groove; 321, round groove; 322, round ring groove; 33, first external thread; 34, second external thread;

[0024] 4, shell; 41, rear shell; 411, first internal thread; 42, front shell; 421, second internal thread;

[0025] 5, hair follicle extraction needle. Specific embodiment

[0026] In order to explain the technical content, the purpose and effect of the present application in detail, the following will be explained in combination with the embodiment and the accompanying drawings.

[0027] Please refer to Figure 1 The embodiment of the present application relates to a hair follicle extraction electric handle, which comprises a bearing main connecting rod 1, a bearing body 2 and a bearing sleeve 3.

[0028] The bearing main connecting rod 1 is sequentially provided with a bearing connecting column 11, an annular barrier 12 and a clamping piece 13 along the X direction;

[0029] The bearing connecting column 11 is used for sleeving the bearing body 2, the annular barrier 12 comprises a round ring convex edge 121 and a round ring column 122 which is reversely extended to the X direction from the round ring convex edge 121, and the clamping piece 13 is used for clamping the hair follicle extraction needle 5.

[0030] The X direction reverse end of the bearing sleeve 3 is provided with a bearing connecting groove 31, and the X direction end of the bearing sleeve 3 is provided with a barrier groove 32, the barrier groove 32 comprises a round groove 321 and a round ring groove 322 which is reversely extended to the X direction from the round groove 321.

[0031] In the assembled state, the bearing body 2 is connected between the bearing connecting column 11 and the bearing connecting groove 31, and the annular barrier 12 is gap matched with the barrier groove 32.

[0032] In the above embodiment, on one hand, the assembly is convenient, in the assembled state, the annular barrier 12 and the barrier groove 32 are gap-fitted, and the bearing main connecting rod 1 and the bearing outer sleeve 3 are connected only through the bearing connection, so as to avoid friction between the annular barrier 12 and the barrier groove 32, thereby ensuring the stability of power transmission and reducing power loss, and on this basis, blood and flesh splashing into the bearing body 2 during the operation of the hair follicle extraction needle 5 can be avoided.

[0033] As a preferred embodiment, the housing 4 is connected to the outside of the bearing outer sleeve 3.

[0034] As a preferred embodiment, the housing 4 comprises a rear shell 41 and a front shell 42 arranged in sequence along the X direction, the rear shell 41 is provided with a first internal thread 411, the front shell 42 is provided with a second internal thread 421, the outside of the bearing outer sleeve 3 is provided with a first external thread 33 and a second external thread 34, the bearing outer sleeve 3 is connected with the rear shell 41 through the cooperation of the first external thread 33 and the first internal thread 411, and the bearing outer sleeve 3 is connected with the front shell 42 through the cooperation of the second external thread 34 and the second internal thread 421.

[0035] In the above embodiment, referring to Figure 1 , the first external thread 33 and the second external thread 34 of the bearing outer sleeve 3 are provided with a circumferential part, the diameter of the circumferential part is greater than the diameter of the first external thread 33, and the diameter of the circumferential part is greater than the diameter of the second external thread 34, so that the rear shell 41 can be threadedly connected from the rear end (the reverse end in the X direction) of the bearing outer sleeve 3, and the front shell 42 can be threadedly connected from the front end (the end in the X direction) of the bearing outer sleeve 3, so that as long as the front shell 42 is removed, the bearing connecting column 11 can be individually pulled out from the front end of the bearing outer sleeve 3, and the process of pulling out does not affect the position of the bearing body 2, and as long as the rear shell 41 is removed, the bearing body 2 can be removed without disassembling the bearing connecting column 11, so that the partial disassembly and assembly between the bearing outer sleeve 3, the housing 4, the bearing body 2 and the bearing connecting column 11 are more convenient.

[0036] As a preferred embodiment, the annular barrier 12 and the bearing connecting column 11 are integrally formed, thereby improving the overall structural stability of the bearing connecting column 11 and further avoiding blood and flesh splashing into the bearing body 2 to cause pollution.

[0037] As a preferred embodiment, in the assembled state, a plurality of bearing bodies 2 of the same specification are connected between the bearing connecting column 11 and the bearing connecting groove 31.

[0038] As an embodiment, two adjacent bearing bodies 2 are abutted with each other through the isolation sleeve.

[0039] As another embodiment, referring to Figure 1 , a plurality of bearing bodies 2 are directly abutted with each other.

[0040] As a preferred embodiment, the circular column 122 is located outside the circular convex 121, and the circular groove 322 is located outside the circular groove 321.

[0041] In the above embodiment, referring to Figure 1 , the circular column 122 and the circular convex 121 are L-shaped in cross section, which is easier to process and form, and the gap between the annular barrier 12 and the bearing shell 3 is multi-stage bending with a long distance, so that blood and flesh cannot enter the bearing body 2 through the gap between the annular barrier 12 and the bearing shell 3 during operation, further avoiding the contamination caused by blood and flesh splashing into the bearing body 2.

[0042] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, any equivalent transformation or direct or indirect application in related technical fields using the content of the present application specification and drawings are also included in the patent protection scope of the present application.

Claims

1. A power handle for follicle extraction, characterized in that, The bearing main connecting rod, the bearing body and the bearing sleeve are included. The bearing main connecting rod is sequentially provided with a bearing connecting column, an annular barrier and a clamping piece along the X direction. The bearing connecting column is used for sleeving the bearing body, the annular barrier includes a circular ring protruding edge and a circular ring column extending reversely to the X direction from the circular ring protruding edge, and the clamping piece is used for clamping a hair follicle extraction needle. The X direction reversely opposite end of the bearing sleeve is provided with a bearing connecting groove, and the X direction end of the bearing sleeve is provided with a barrier groove including a circular groove and a circular ring groove extending reversely to the X direction from the circular groove. In the assembled state, the bearing body is connected between the bearing connecting column and the bearing connecting groove, and the annular barrier is gap-fitted with the barrier groove.

2. The electro-motive handle for follicular extraction according to claim 1, characterized in that, The shell is further included, and the shell is connected to the outside of the bearing sleeve.

3. The electro-motive handle for follicular extraction according to claim 2, wherein, The shell includes a rear shell and a front shell sequentially arranged along the X direction, the rear shell is provided with a first internal thread, the front shell is provided with a second internal thread, the outside of the bearing sleeve is provided with a first external thread and a second external thread, the bearing sleeve is connected with the rear shell through the first external thread and the first internal thread, and the bearing sleeve is connected with the front shell through the second external thread and the second internal thread.

4. The electro-motive handle for follicular extraction according to claim 1, wherein, The annular barrier and the bearing connecting column are integrally formed.

5. The electro-motive handle for follicular extraction according to claim 1, wherein, In the assembled state, a plurality of bearing bodies of the same specification are connected between the bearing connecting column and the bearing connecting groove.

6. The electro-motive handle for follicular extraction according to claim 5, wherein, Two adjacent bearing bodies are abutted with each other through an isolation sleeve.

7. The electro-motive handle for follicular extraction according to claim 5, wherein, The plurality of bearing bodies are directly abutted with each other.

8. The electro-motive handle for follicular extraction according to claim 1, wherein, The circular ring column is located in the extension of the circular ring protruding edge, and the circular ring groove is located in the extension of the circular groove.

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