KR102337380B1 - Surgically-treating handpiece - Google Patents

Abstract

Surgical treatment handpiece according to the present invention, while exposing the tip of the treatment tool, the guide tip tube surrounding the treatment tool; At least one fragment (斷片) tube to the guide tip tube is coupled to the guide tube surrounding the surgical tool; and a shaft housing coupled to the guide tube to cover the surgical tool and the drive shaft, wherein the guide tip tube, guide tube, and shaft housing are externally visible and internally along the surgical tool. When exposed directly to the surgical tool.

Description

Surgical Handpiece {SURGICALLY-TREATING HANDPIECE}

The present invention relates to a surgical handpiece having a drive shaft that receives rotation torque of a motor from a motor unit while forming an acute angle or more with respect to the treatment tool together with a long and straight shape treatment tool. will be.

In general, a surgical handpiece is used in orthopedic surgery, oral surgery, plastic surgery, etc. for cutting bone, perforating the bone, finishing the bone, or processing for fixing an auxiliary metal to the bone. For example, the surgical handpiece is used in orthopedic surgery for fracture patients due to trauma to the leg, arm, thigh, spine, etc., or during orthognathic surgery or double jaw surgery in oral surgery or plastic surgery Mainly used.

In addition, the surgical instrument handpiece may be used in other surgical operations such as dentistry, otolaryngology, neurosurgery, and the like. Meanwhile, the surgical handpiece will be described in detail with reference to FIGS. 1 and 2 . The surgical handpiece 100 has a guide tube 60 , a case 80 , and a surgical tool 90 as shown in FIG. 1 . The guide pipe 60 has first and second bushing members 20 and 40 together with the first to third bearing members 10 , 30 , 50 as shown in FIG. 2 .

The first and second bushing members 20 , 40 are positioned between the first to third bearing members 10 , 30 , 50 in the guide tube 60 . The case 80 is coupled to the guide tube 60 to expose the drive shaft 70 to the guide tube 60 . The surgical tool 90 is inserted into the guide tube 60, passes through the first to third bearing members 10, 30, 50 and the first and second bushing members 20 and 40, and the case tube 80 ) is coupled with the drive shaft 70 of the.

Here, the treatment tool 90 forms an obtuse angle with the drive shaft 70 in the case 80 . After the drive shaft 70 and the surgical tool 90 are coupled, the surgical handpiece 100 may be coupled to a motor unit (not shown in the drawing). The motor unit connects the rotating shaft of the motor to the driving shaft 70 of the case 80 to link the driving shaft 70 and the surgical tool 90 to the rotation of the rotating shaft when the motor is driven.

However, when it is necessary to quickly vary the overall length of the surgical handpiece 100 in order to actively respond to the operating environment associated with the individual patient. The guide tube 60 is separated from the case 80 on the treatment tool 90 and needs to be replaced with a new guide tube, and the separation of the guide tube 60 and the case 80 is Separation of the first to third bearing members 10 , 30 , 50 and the first and second bushing members 20 , 40 must also be accompanied.

Therefore, the separation of the guide tube 60 and the case 80 lengthens the treatment time applied to the individual patient. In addition, since the guide tube 60 is formed in a single tube shape, it may or may not be manufactured with difficult processing for a gradual increase in length on the surgical tool 90 . In addition, the guide tube 60 cannot be freely expanded on the surgical tool 90 because the processing limit is quickly reached with a gradual increase in length.

In addition, the guide tube 60 includes the first to third bearing members 10 , 30 , 50 and the first and second bushing members 20 and 40 to prevent an increase in the rotational eccentricity of the surgical tool according to the gradual increase in length. Since the number of must be increased, the cost of the surgical handpiece 100 is increased.

In addition, since the guide tube 60 surrounds the first to third bearing members 10 , 30 , 50 and the first and second bushing members 20 and 40 with the same diameter, the thickness of the guide tube 60 . As it is always thick, there is a limit to reducing the size of the surgical handpiece. On the other hand, the surgical handpiece 100 is similarly disclosed as a prior art in Korean Patent Publication No. 10-2016-0012987.

Korean Patent Publication No. 10-2016-0012987

The present invention has been devised to solve the problems of the prior art, and shortens the procedure time applied to individual patients according to the replacement of the guide tube for variable overall length, and according to the increase in the length of the guide tube, the processing of the guide tube A surgical hand suitable for facilitating operation, ensuring the expansion function of the guide tube freely, reducing the number of bearing members and bushing members attached to the guide tube, and minimizing the thickness limit of the guide tube on the bearing member and the bushing member The purpose is to provide a piece.

Surgical treatment handpiece according to the present invention, together with a long and straight shape treatment tool, while forming an acute angle or more with respect to the treatment tool is provided with a drive shaft that receives the rotation torque of the motor from the motor unit To do so, while exposing the tip of the treatment tool, the guide tip tube surrounding the treatment tool; an induction connection tube coupled to the guide tip tube as at least one piece tube and surrounding the surgical tool; and a shaft housing coupled to the induction connection tube to cover the surgical tool and the drive shaft, wherein the guide tip tube surrounds a front bearing positioned around the surgical tool, near the tip of the surgical tool, and the in contact with the front bearing, the guide tube surrounding the rear bearing positioned around the surgical tool, proximate the shaft housing, and in contact with the rear bearing, the guide tip tube and the guide tube and the shaft housing Silver is characterized in that it is exposed along the surgical tool to the atmosphere when viewed from the outside and directly to the tool when viewed from the inside.

The guide tip tube may have a smaller diameter than the guide connection tube near the tip of the surgical tool.

The guide tip tube has one end and the other end sequentially positioned spaced apart from the tip of the treatment tool along the longitudinal direction of the treatment tool, and is identical between the one end and the other end of the guide tip tube. Having an outer diameter, it may have an outer diameter that rapidly decreases radially from the one end of the guide tip tube toward the circumference of the surgical tool.

The guide tip tube surrounds the front bearing between the one end and the other end of the guide tip tube, and receives the guide connection tube at the other end of the guide tip tube, the front together with the guide tube tube Bearings can be clamped.

When the induction connection tube is present between the guide tip tube and the shaft housing as one, one end of the induction connection tube to the guide tip tube and the shaft housing to the other end of the induction connection tube Sequentially accommodated, in the coupled state of the induction tip tube, the induction connection tube, and the shaft housing, when the induction connection tube is viewed from the outside, the outer diameter gradually increases from the guide tip tube toward the shaft housing and accommodating the shaft housing to sandwich the rear bearing together with the shaft housing.

When the induction connection tube has a first induction connection tube and a second induction connection tube that are sequentially arranged between the induction tip tube and the shaft housing, one end of the first induction connection tube to the guide tip tube And, one end of the second induction connection tube to the other end of the first induction connection tube, and the shaft housing in the other end of the second induction connection tube, sequentially accommodated, the guide tip tube and the guide In the coupled state of the connecting tube and the shaft housing, when the first induction connecting tube is viewed from the outside, the first induction connecting tube has the same outer diameter, and the induction tip tube, the induction connecting tube, and the shaft housing have the same outer diameter. In the coupled state, when the second inductively connecting tube is viewed from the outside, the outer diameter may be gradually increased from the first inductively connected to the shaft housing.

The induction connection tube, when having the first induction connection tube as one, has an intermediate bearing between the first induction connection tube and the second induction connection tube, and the second induction connection tube is attached to the intermediate bearing directly above the intermediate bearing. 1 may be brought into contact with the inductive coupling tube, and the rear bearing may be positioned between the second inductively coupled pipe and the shaft housing to sandwich the rear bearing through the second inductively coupled pipe and the shaft housing.

The front bearing, the intermediate bearing, and the rear bearing may be individually assembled to the guide tip tube, the first guide connection tube, and the second guide connection tube, or may all be integrally formed.

Wherein the induction coupling tube, when having a plurality of the first induction coupling tube, between the guide tip tube and the shaft housing, one first intermediate bearing between the first front induction coupling tubes spaced apart from the shaft housing one by one a first rear guide tube positioned close to the shaft housing, between the guide tip tube and the shaft housing, and contacting the first individual front guide tube to the first intermediate bearing directly above the first intermediate bearing A second intermediate bearing may be provided between the second intermediate bearing and the second intermediate bearing, and the first rear inductive connection tube may be brought into contact with the second intermediate bearing directly above the second intermediate bearing.

The front bearing, the first intermediate bearing, the second intermediate bearing, and the rear bearing are separately provided to the guide tip tube, the first front guide tube, the first rear guide tube, and the second guide tube. It can be assembled with , or all can be formed integrally.

Wherein the induction tube exists as one between the guide tip tube and the shaft housing, the guide tip tube and the induction tube, respectively, having at least two ball-equipped tension lockers When doing, the induction tip tube, the induction connection tube, and the shaft housing are folded by sequentially accommodating the guide tip tube to one end of the induction connection tube and the other end of the induction connection tube to the shaft housing. The ball of the individual ball mounting tension rocker of the induction tip tube is fitted into the ball receiving annular groove of the induction connection tube, and the balls of the individual ball mounting tension rocker of the induction connection tube are ball-receiving of the shaft housing It can be fitted into the annular groove.

The individual ball mounting tension rocker is formed by partially protruding the ball from the ball movement limiting groove by restraining the ball and the spring in the ball movement limiting groove located on the outer circumferential surface of the induction tip tube or the induction connection tube, and receiving the ball An annular groove, in the folded state of the guide tip tube, the guide connection tube, and the shaft housing on the treatment tool, is located near the tip of the treatment tool, the guide tube or the guide along the circumference of the shaft housing It may be formed on the inner circumferential surface of the connecting tube or the shaft housing.

The induction connection tube, while having a first induction connection tube and a second induction connection tube between the induction tip tube and the shaft housing, the induction tip tube and the first induction connection tube and the second induction connection tube , individually, when provided with at least two ball mounted tension rockers, the guide tip tube, the first induction connection tube, the second induction connection tube, and the shaft housing are configured to connect the guide tip tube to the first induction connection tube. In a tube, and the first induction connection tube in the second induction connection tube, and the second induction connection tube in the shaft housing sequentially accommodated to have a folded structure, the individual ball mounting tension rocker of the induction tip tube of the ball is fitted into the ball receiving annular groove of the first induction connection tube, and the balls of the individual ball mounting tension locker of the first induction connection tube are fitted into the ball receiving annular groove of the second induction connection tube, The balls of the individual ball mounting tension lockers of the second induction connection tube may be fitted into the ball receiving annular grooves of the shaft housing.

The ball mounting tension rocker restrains the ball and the spring in the ball movement limiting groove located on the outer circumferential surface of the induction tip tube or the first induction connection tube or the second induction connection tube to partially protrude the ball from the ball movement restriction groove. In the folded state of the guide tip tube, the first guide connection tube, the second guide connection tube, and the shaft housing on the treatment tool, the ball receiving annular groove is near the tip of the treatment tool. It may be formed on the inner circumferential surface of the first inductively connecting tube or the second inductively connecting tube or the second inductively connecting tube or the shaft housing along the circumference of the first inductively connecting tube or the second inductively connecting tube or the shaft housing.

The induction connection tube, when having the first induction connection tube as one, has an intermediate bearing between the first induction connection tube and the second induction connection tube, and the second induction connection tube is attached to the intermediate bearing directly above the intermediate bearing. 2 Inductive connection pipe can be contacted.

The front bearing, the intermediate bearing, and the rear bearing may be individually assembled to the guide tip tube, the first guide connection tube, and the second guide connection tube, or may all be integrally formed.

Wherein the induction coupling tube, when having a plurality of the first induction coupling tube, between the guide tip tube and the shaft housing, one first intermediate bearing between the first front induction coupling tubes spaced apart from the shaft housing one by one a first rear guide tube positioned close to the shaft housing, between the guide tip tube and the shaft housing, and contacting the first individual front guide tube to the first intermediate bearing directly above the first intermediate bearing A second intermediate bearing may be provided between the second intermediate bearing and the second intermediate bearing, and the second inductive connection tube may be brought into contact with the second intermediate bearing directly above the second intermediate bearing.

The front bearing, the first intermediate bearing, the second intermediate bearing, and the rear bearing are separately provided to the guide tip tube, the first front guide tube, the first rear guide tube, and the second guide tube. It can be assembled with , or all can be formed integrally.

When the induction coupling tube exists between the guide tip tube and the shaft housing as one and has a female threaded portion near the guide tip tube and a male threaded portion near the shaft housing, the female threaded portion of the guide tube may include: The male threaded portion of the induction tip tube may be threadedly coupled, and the male threaded portion of the induction connecting tube may be threadedly coupled to the female threaded portion of the shaft housing.

When the induction connection tube, between the guide tip tube and the shaft housing, through a first induction connection tube and a second induction connection tube that are sequentially arranged, the guide tip tube and the shaft housing are threadedly coupled, the The male threaded portion of the induction tip tube is threadedly coupled to the female threaded portion of the first induction connection tube, and the male threaded portion of the first induction connection tube is threadedly coupled to the female threaded portion of the second induction connection tube, the second 2 The male threaded part of the induction connection pipe may be threadedly coupled to the female threaded part of the shaft housing.

The induction connection tube, when having the first induction connection tube as one, has an intermediate bearing between the first induction connection tube and the second induction connection tube, and the second induction connection tube is attached to the intermediate bearing directly above the intermediate bearing. 1 inductively connecting tube or the first inductively connecting tube may be brought into contact with each other.

The front bearing, the intermediate bearing, and the rear bearing may be individually assembled to the guide tip tube, the first guide connection tube, and the second guide connection tube, or may all be integrally formed.

Wherein the induction coupling tube, when having a plurality of the first induction coupling tube, between the guide tip tube and the shaft housing, one first intermediate bearing between the first front induction coupling tubes spaced apart from the shaft housing one by one a first rear guide tube positioned close to the shaft housing, between the guide tip tube and the shaft housing, and contacting a respective first front guide tube to the first intermediate bearing directly above the first intermediate bearing A second intermediate bearing may be provided between the second inductive connection tube and the first rear inductive connection tube or the second inductively connected tube directly above the second intermediate bearing.

The front bearing, the first intermediate bearing, the second intermediate bearing, and the rear bearing are separately provided to the guide tip tube, the first front guide tube, the first rear guide tube, and the second guide tube. It can be assembled with , or all can be formed integrally.

The surgical handpiece according to the present invention,

While sequentially arranging the guide tip tube, the guide connection tube, and the shaft housing on the treatment tool, one or more guide connection tubes are provided between the guide tip tube and the shaft housing,

When there is only one guide tube, the guide tip tube, guide tube, and the bearing member directly below the shaft housing are placed one by one,

When there are multiple guide tubes, the guide tip tube, individual guide tube, and the bearing member are placed directly under the shaft housing one by one,

Shorten the treatment time applied to individual patients by simple replacement of the induction connector in the whole for variable length of the entire length,

As the length of the induction connection tube increases, the fragment coupling method is adopted to facilitate the processing of the induction connection tube made of fragments, and in the fragment coupling method, the expansion function of the induction connection tube is freely guaranteed only by increasing the number of fragments in the conventional method. It is possible to minimize the thickness of the induction tube on the bearing member by attaching only the bearing member to the induction connecting tube that physically and functionally replaces the bushing member of the technology, and by varying the thickness of the induction connecting tube around the bearing member and on the bearing member.

1 is an image showing a surgical handpiece according to the prior art.
FIG. 2 is an image showing the disassembled guide tube in the station 'P1' of FIG. 1 .
3 is an image showing a surgical handpiece according to the first embodiment of the present invention.
FIG. 4 is an image schematically showing a surgical tool and a drive shaft in the surgical handpiece of FIG. 3 .
5 is a partial cross-sectional view showing the surgical handpiece of FIG. 3 .
6 is an exploded view showing the surgical handpiece excluding the surgical tool in FIG. 5 .
7 is an exploded view showing a modified example of the surgical handpiece of FIG. 6 .
FIG. 8 is an image showing the guide tip tube, the guide connection tube, and the bearing members in FIG. 6 or FIG. 7 .
9 is an image showing a surgical handpiece according to a second embodiment of the present invention.
10 is an image showing a surgical handpiece according to a third embodiment of the present invention.
11 and 12 are images for explaining a method of extending the entire length in the surgical handpiece according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed description of the present invention set forth below refers to the accompanying drawings, which show by way of illustration specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention. It should be understood that various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in relation to one embodiment. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the detailed description set forth below is not intended to be taken in a limiting sense, and the scope of the present invention, if properly described, is limited only by the appended claims, along with all scope equivalents as those claimed. In the drawings, like reference numerals refer to the same or similar functions in various aspects, and the length, area, thickness, and the like may be exaggerated for convenience.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily practice the present invention.

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3 is an image showing a surgical handpiece according to a first embodiment of the present invention, FIG. 4 is an image schematically showing a surgical tool and a drive shaft in the surgical handpiece of FIG. 3, and FIG. A partial cross-sectional view of a surgical handpiece.

In addition, Figure 6 is an exploded view showing the surgical handpiece excluding the surgical tool in Figure 5, Figure 7 is an exploded view showing a modified example of the surgical handpiece of Figure 6, Figure 8 is derived from Figure 6 or Figure 7 It is an image showing the tip tube, the induction connecting tube, and the bearing members.

Referring to FIGS. 3 to 8 , the surgical handpiece 210 is an acute angle with respect to the surgical tool 200 , together with a long and straight shape surgical tool ( 200 in FIG. 4 ). ) and a drive shaft ( 190 in FIG. 4 ) that receives the rotation torque of the motor from the motor unit (not shown in the drawing) while achieving the above (β in FIG. 4 ). For example, the angle between the surgical tool 200 and the driving shaft 190 may be an obtuse angle as shown in FIG. 4 or 11 or 180° as shown in FIG. 12 .

When viewed schematically, the surgical handpiece 210 includes an induction tip tube 110 , an induction connection tube 175 , and a shaft housing 195 as shown in FIG. 3 . The guide tip tube 110 surrounds the treatment tool 200 as shown in FIG. 3 or FIG. 4 or FIG. 5 while exposing the tip of the treatment tool 200 . The induction connection tube 175 is coupled to the guide tip tube 110 as at least one piece tube and surrounds the surgical tool 200 as shown in FIG. 3 or FIG. 4 or FIG. 5 .

The shaft housing 195 is coupled to the induction connection tube 175 to cover the surgical tool 200 and the drive shaft 190 as shown in FIG. 3 or 5 . Here, the guide tip tube 110, as shown in FIG. 5, near the tip of the surgical tool 200, surrounds the front bearing 120 positioned around the surgical tool 200 and the front bearing 120 ) is in contact with

The induction tube 175 surrounds and contacts the rear bearing 180 positioned around the surgical tool 200, close to the shaft housing 195, as shown in FIG. . In addition, the induction tip tube 110, the induction connection tube 175, and the shaft housing 195 are, as shown in FIG. 3 or FIG. 4 or FIG. 5, along the surgical tool 200, externally viewed when exposed directly to the atmosphere and to the surgical tool 200 when viewed internally.

Hereinafter, the guide tip tube 110, the guide connection tube 175, and the shaft housing 195 will be described in more detail. Preferentially, the guide tip tube 110 has a smaller diameter than the guide connection tube 175 near the tip of the surgical tool 200 as shown in FIG. 3 or FIG. 4 or FIG. 5 . In addition, the induction tip tube 110 has one end and the other end that are sequentially positioned spaced apart from the tip of the treatment tool 200 along the longitudinal direction of the treatment tool 200 .

The guide tip tube 110, as shown in FIG. 3 or FIG. 5, has the same outer diameter between one end and the other end of the guide tip tube 100, and is operated at one end of the guide tip tube 110 It has an outer diameter that decreases rapidly radially toward the perimeter of the tool 200 . The guide tip tube 110 surrounds the front bearing 120 between one end and the other end of the guide tip tube 110, and accommodates the guide connection tube 175 at the other end of the guide tip tube 110, The front bearing 120 is clamped together with the induction connection tube 175 .

The induction connection tube 175 is, when present as one between the guide tip tube 110 and the shaft housing 195, draw one end of the guide tube 175 to the guide tip tube 110 and guide The shaft housing 195 is sequentially accommodated in the other end of the connection tube 175, and in the coupled state of the induction tip tube 110 and the induction connection tube 175 and the shaft housing 195, the induction connection tube 175 When viewed from the outside, the outer diameter gradually increases from the guide tip tube 110 toward the shaft housing 195 , and receives the shaft housing 195 to accommodate the shaft housing 195 and the rear bearing 180 together with the shaft housing 195 . pinch the

For example, when the induction connector tube 175 is present between the guide tip tube 110 and the shaft housing 195 as one, the induction connector tube 170 of FIG. 3 or FIG. can

Unlike this, when the induction connection tube 175 has a first induction connection tube 130 and a second induction connection tube 170 that are sequentially arranged between the guide tip tube 110 and the shaft housing 195 , One end of the first induction connection tube 130 to the guide tip tube 110, and one end of the second guide connection tube 170 to the other end of the first guide connection tube 130, and the second The shaft housing 195 is sequentially accommodated at the other end of the induction connection tube 170 .

Here, the induction connection tube 175 is, in the coupled state of the induction tip tube 110, the induction connection tube 175, and the shaft housing 195, when the first induction connection tube 130 is viewed from the outside, Having the same outer diameter in the first induction connection tube 130, in the coupled state of the induction tip tube 110, the induction connection tube 175, and the shaft housing 195, the second induction connection tube 170 is viewed from the outside When, it has an outer diameter that gradually increases from the first inductive connection tube 130 toward the shaft housing 195 .

Specifically, when the induction connection pipe 175 has one first induction connection pipe 130, one intermediate bearing ( With 140 in FIG. 5 , the first inductively connecting tube 130 is brought into contact with the intermediate bearing 140 just above the intermediate bearing 140 , and the rear between the second inductively connecting tube 170 and the shaft housing 195 . The bearing 180 is positioned to sandwich the rear bearing 180 through the second induction connection tube 170 and the shaft housing 195 .

The front bearing 120, the intermediate bearing 140, and the rear bearing 180 are respectively connected to the guide tip tube 110, the first induction connection tube 130, and the second induction connection tube 170 in FIG. They may be assembled together or all may be integrally formed as shown in FIG. 7 . Although the rear bearing 180 is fixed to the second induction connection tube 170 in FIGS. 6 and 7 , it may be assembled to or integrally formed with the second induction connection tube 170 .

Similarly, the induction connection tube 175, when having a plurality of the first induction connection tube 130, 150, between the guide tip tube 110 and the shaft housing 195, from the shaft housing 195 One first intermediate bearing 140 is provided between the first front inductive coupling tubes 130 spaced apart one by one, and when considering FIG. 5 , the first intermediate bearing 140 is located directly above the first intermediate bearing 140 . The first individual anterior induction connecting tube 130 is brought into contact.

In addition, the induction connection tube 175 is, between the guide tip tube 110 and the shaft housing 195, the first rear induction connection tube 150 and the second induction connection tube located close to the shaft housing 195. Between 170 , with the second intermediate bearing 160 , when considering FIG. 5 , the first rear guide tube 150 is connected to the second intermediate bearing 160 just above the second intermediate bearing 160 . make contact

The front bearing 120 , the first intermediate bearing 140 , the second intermediate bearing 160 and the rear bearing 180 , when considering FIGS. 6 and 7 , the guide tip tube 110 and the first front The induction connection tube 130 and the first rear induction connection tube 150 and the second induction connection tube 170 are individually assembled or all are integrally formed.

Here again, the rear bearing 180 is fixed to the second induction connection tube 170 in FIGS. 6 and 7 , but may be assembled to or integrally formed with the second induction connection tube 170 .

9 is an image showing a surgical handpiece according to a second embodiment of the present invention.

Referring to FIG. 9 , the surgical handpiece 330 has a structure similar to that of the surgical handpiece 210 of FIG. 3 , but in the surgical handpiece 330 , the guide tip tube 240 and the induction connector The connection method between the 305 and the shaft housing 310 is different from the connection method between the guide tip tube 110 and the guide connection tube 175 and the shaft housing 195 in the surgical handpiece 210 . Here too, the inductively connecting tube 305 may include at least one fragment tube.

That is, while the induction connection tube 305 exists as a single piece tube between the guide tip tube 240 and the shaft housing 310, the guide tip tube 240 and the induction connection tube 305 are individually , when equipped with at least two ball-equipped tension lockers (L), the guide tip tube 240, the guide connection tube 305 and the shaft housing 310 are, the guide tip tube 240 has a folded structure by sequentially accommodating the other end of the induction connection tube 305 at one end of the induction connection tube 305 in the shaft housing 310 .

For example, the induction connector tube 305 may be replaced by the induction connector tube 300 when there is one between the guide tip tube 240 and the shaft housing 310 . Here, the ball (B) of the individual ball mounting tension rocker (L) of the induction tip tube (240) is fitted into the ball receiving annular groove (G2) of the induction connection tube (305). The ball (B) of the individual ball mounting tension rocker (L) of the induction connection tube (305) is fitted into the ball receiving annular groove (G2) of the shaft housing (310).

The individual ball mounting tension rocker (L) restrains the ball (B) and the spring (S) to the ball movement limiting groove (G1) located on the outer peripheral surface of the induction tip tube 240 or the induction connection tube 305, It is formed by partially protruding the ball (B) from the movement limiting groove (G1). The ball receiving annular groove (G2) is, in the folded state of the guide tip tube 240, the guide connection tube 305, and the shaft housing 310 on the treatment tool 320, close to the tip of the treatment tool 320 It is formed on the inner circumferential surface of the induction connection tube 305 or the shaft housing 310 along the circumference of the induction connection tube 305 or the shaft housing 310 to be positioned.

On the other hand, while the induction connection tube 305 has a first induction connection tube 260 and a second induction connection tube 300 between the induction tip tube 240 and the shaft housing 310, the induction tip tube (240) and the first induction connection tube 260 and the second induction connection tube 300, respectively, when provided with at least two ball mounting tension rockers (L), the guide tip tube 240 and the second 1 induction connection tube 260 and the second induction connection tube 300 and the shaft housing 310, the guide tip tube 240 to the first induction connection tube 260, and the first induction connection tube 260 The second induction connection tube 300, and the second induction connection tube 300 are sequentially accommodated in the shaft housing 310 to have a folded structure.

The ball (B) of the individual ball mounting tension rocker (L) of the induction tip tube 240 is fitted into the ball receiving annular groove (G2) of the first induction connection tube (260). The ball (B) of the individual ball mounting tension locker (L) of the first induction connection tube (20) is fitted into the ball receiving annular groove (G2) of the second induction connection tube (300). The ball (B) of the individual ball mounting tension rocker (L) of the second induction connection pipe (300) is fitted into the ball receiving annular groove (G2) of the shaft housing (310).

The ball mounting tension rocker (L) is a ball (B) in the ball movement limiting groove (G1) located on the outer peripheral surface of the induction tip tube 240 or the first induction connection tube 260 or the second induction connection tube 300 ) and the spring (S) are constrained to partially protrude the ball (B) from the ball movement limiting groove (G1).

The ball receiving annular groove (G2) is a folded state of the guide tip tube 240, the first guide connection tube 260, the second guide connection tube 300, and the shaft housing 310 on the surgical tool 320. In, to be located near the tip of the surgical tool 320, the first induction connection tube 260 or the second induction connection tube 300 or the shaft housing 310 along the circumference of the first induction connection tube 260 or It is formed on the inner circumferential surface of the second induction connection pipe 300 or the shaft housing 310 .

Here, when the induction connection pipe 305 has one first induction connection pipe 260, one intermediate bearing (in the drawing) between the first induction connection pipe 260 and the second induction connection pipe 300 (not shown), and contact the second induction connecting tube 300 to the intermediate bearing just above the intermediate bearing. The front bearing (120 in FIG. 5 ), the intermediate bearing and the rear bearing ( 180 in FIG. 5 ) are individually connected to the guide tip tube 240 , the first guide connection tube 260 , and the second guide connection tube 300 . It can be assembled with , or all can be formed integrally.

Similarly, the induction connection tube 305, when having a plurality of the first induction connection tube 260, 280, between the guide tip tube 240 and the shaft housing 310, from the shaft housing 310 One first intermediate bearing (not shown in the drawing) is provided between the first front guide tubes 260 spaced apart from each other, and the first individual front guide tube 260 is connected to the first intermediate bearing directly above the first intermediate bearing. make contact with

In addition, the induction connection tube 305 is, between the guide tip tube 240 and the shaft housing 310, a first rear induction connection tube 280 and a second induction connection tube located close to the shaft housing 310 Between 300 , a second inductive coupling pipe 300 is brought into contact with the second intermediate bearing directly above the second intermediate bearing, with a second intermediate bearing (not shown in the drawing). The front bearing 120 , the first intermediate bearing, the second intermediate bearing and the rear bearing 180 are the guide tip tube 240 , the first front induction connecting tube 260 and the first rear induction connecting tube 280 . ) and the second induction connection pipe 300 are individually assembled or all are integrally formed.

On the other hand, the surgical tool 320, although not shown in the drawing, may have a folded structure in the guide tip tube 240, the guide connection tube 305, and the shaft housing 310.

10 is an image showing a surgical handpiece according to a third embodiment of the present invention. FIG. 10 may be an exploded view of an induction tip tube and an induction connection tube, or an induction connection tube and a shaft housing in the “P2” region of FIG. 9 .

Referring to FIG. 10 , the surgical handpiece 340 has a structure similar to that of the surgical handpiece 210 of FIG. 3 , but in the surgical handpiece 330 , a guide tip tube (not shown in the drawing) and The connection method of the induction connecting tube (not shown in the drawing) and the shaft housing (not shown in the drawing) is the induction tip tube 110 and the induction connecting tube 175 and the shaft housing 195 in the surgical handpiece 210. different from the connection method of

Here too, the inductively connecting tube may include at least one fragment tube. That is, when the induction connection tube, between the guide tip tube and the shaft housing, exists as a single piece tube and has a female threaded part (F) near the guide tip tube and a male threaded part (M) near the shaft housing, inductive connection The female threaded part (F) of the tube is threadedly engaged with the male threaded part (M) of the induction tip tube, and the male threaded part (M) of the induction connecting pipe is threadedly engaged with the female threaded part (F) of the shaft housing.

On the other hand, the induction connection tube, between the guide tip tube and the shaft housing, through the first induction connection tube and the second induction connection tube that are sequentially arranged, when the guide tip tube and the shaft housing and the screw thread coupling, the guide tip The male threaded part (M) of the pipe is threadedly coupled to the female threaded part (F) of the first induction connection pipe, and the male threaded part (M) of the first induction connection pipe is the female threaded part (F) of the second induction connection pipe. ) and the male threaded portion (F) of the second induction connecting tube is threadedly coupled to the female threaded portion (F) of the shaft housing.

The induction coupling tube, when having one first induction coupling pipe, has an intermediate bearing (not shown in the drawing) between the first induction coupling pipe and the second induction coupling pipe, and is provided to the intermediate bearing directly above the intermediate bearing. 1 Contact the inductive connector or the first inductive connector. The front bearing, the intermediate bearing, and the rear bearing may be individually assembled to the guide tip tube, the first guide connection tube, and the second guide connection tube, or may all be integrally formed.

Similarly, the guide tube, when having a plurality of first guide tubes, includes a first intermediate bearing (Fig. ), and contact the respective first front induction connecting tube to the first intermediate bearing just above the first intermediate bearing.

In addition, the induction connection tube, between the guide tip tube and the shaft housing, between the first rear induction connection tube and the second induction connection tube positioned close to the shaft housing, a second intermediate bearing (not shown in the drawing), , contact the first rear induction connecting tube or the second inductive connecting tube directly above the second intermediate bearing.

The front bearing, the first intermediate bearing, the second intermediate bearing, and the rear bearing are individually assembled to the guide tip tube, the first front guide tube, the first rear guide tube, and the second guide tube, or are formed integrally with each other. can be

11 and 12 are images for explaining a method of extending the entire length in the surgical handpiece according to the present invention. 11 and 12 , a method of extending the overall length of the surgical handpiece will be described with partial reference to FIGS. 3 to 8 .

Referring to FIG. 11 , before extending the entire length of the surgical handpiece 350 , the surgical handpiece 350 may be prepared at a contra angle of a prototype. That is, the surgical handpiece 350 has a guide tip tube S1 and a shaft housing on the surgical tool X1. The shaft housing refers to the rest of the surgical handpiece 350 other than the guide tip tube (S1).

In addition, the surgical handpiece 350 has an obtuse angle (β) between the surgical tool X1 and the drive shaft (not shown) when considering FIG. 4 . Next, in order to extend the entire length of the surgical handpiece 350, a plurality of surgical handpieces 360, 370, 380, 390 may be prepared in size order along the flow line F1.

Here, the individual surgical handpiece 360 or 370 or 380 or 390 is an induction connection tube 365 or 375 or 385 or 395 in addition to the guide tip tube S1 of the surgical handpiece 350 on the surgical tool X1. ) has The inductively connecting tube 365 or 375 or 385 or 395 can extend the overall length by increasing the number of fragment tubes S2 or by increasing the length of individual fragment tubes S2 in the same number of fragment tubes S2. have.

The induction tip tube (S1) and the induction connection tube (S2) and the shaft housing, or the guide tip tube (S1) and the induction connection tube (S2) and the shaft housing, adopt the fitting method of FIGS. 1 to 8, but , The folding coupling method of FIG. 9, or the screw thread coupling method of FIG. 10, or a bonding bonding method, or a caulking coupling method may be adopted.

Of course, the individual surgical handpiece 360 or 370 or 380 or 390 has a slightly different appearance than the surgical handpiece 350 on the surgical tool X1 but has a slimmer shape than the surgical handpiece 350 .

Referring to FIG. 12 , before extending the entire length of the surgical handpiece 400 , the surgical handpiece 400 may be prepared as a prototype straight angle (straight angel). That is, the surgical handpiece 400 has a guide tip tube (T1) and a shaft housing on the surgical tool (X2). The shaft housing refers to the rest of the surgical handpiece 350 other than the guide tip tube (T1).

In addition, the surgical handpiece 400 has an angle between the surgical tool X2 and the drive shaft (not shown in the drawing) of 180° when considering FIG. 4 . Next, in order to extend the entire length of the surgical handpiece 400, a plurality of surgical handpieces 410, 420, 430, 440 may be prepared in size order along the flow line F2.

Here, the individual surgical handpiece (410 or 420 or 430 or 440) is an induction connection tube (415 or 425 or 435 or 445) in addition to the guide tip tube (T1) of the surgical handpiece 400 on the surgical tool X2. ) has The inductive connection tube (415 or 425 or 435 or 445) can extend the overall length by increasing the number of fragment tubes (T2) or by increasing the length of individual fragment tubes (T2) in the same number of fragment tubes (T2). have.

The induction tip tube (T1) and the induction connection tube (T2) and the shaft housing, or the guide tip tube (T1) and the induction connection tube (T2) and the shaft housing, adopt the fitting method of FIGS. 1 to 8, but , The folding coupling method of FIG. 9, or the screw thread coupling method of FIG. 10, or the bonding bonding method, or the caulking coupling method may be adopted.

Of course, the individual surgical handpiece 410 or 420 or 430 or 440 has a slightly different appearance than the surgical handpiece 400 on the surgical tool X2 but has a slimmer shape than the surgical handpiece 400 .

110; guide tip tube, 130, 150, 170, 175; induction pipe
195; shaft housing, 200; surgical tools
210; surgical handpiece

Claims (24)

In a surgical handpiece having a drive shaft that receives the rotation torque of the motor from the motor unit while forming an acute angle or more with respect to the treatment tool, together with a treatment tool of a long and straight shape,
While exposing the tip of the treatment tool, the guide tip tube surrounding the treatment tool;
an induction connection tube coupled to the guide tip tube as at least one piece tube and surrounding the surgical tool; and
A shaft housing coupled to the induction connection tube to cover the surgical tool and the drive shaft,
The guide tip tube,
close to the tip of the surgical tool, surrounding and in contact with the front bearing positioned around the surgical tool,
The inductive connection pipe,
proximate the shaft housing, surrounding and in contact with a rear bearing positioned about the surgical tool;
The induction tip tube, the induction connection tube, and the shaft housing,
along the surgical tool, directly exposed to the atmosphere when viewed from the outside and directly to the tool when viewed from the inside,
The induction connection tube,
While having a first induction connection tube and a second induction connection tube between the guide tip tube and the shaft housing,
When the guide tip tube and the first guide tube and the second guide tube are provided with at least two ball-mounted tension rockers, respectively,
The induction tip tube, the first induction connection tube, the second induction connection tube, and the shaft housing, the guide tip tube to the first induction connection tube, and the first induction connection tube to the second induction connection tube It has a folded structure by sequentially accommodating the tube and the second induction connection tube in the shaft housing,
The ball of the individual ball mounting tension rocker of the induction tip tube is fitted into the ball receiving annular groove of the first induction connection tube,
The ball of the individual ball mounting tension rocker of the first induction connection tube is fitted into the ball receiving annular groove of the second induction connection tube,
The ball of the individual ball mounting tension rocker of the second induction connection tube is fitted into the ball receiving annular groove of the shaft housing, a surgical handpiece.
delete delete delete delete delete delete delete delete delete delete delete delete According to claim 1,
The ball mounted tension rocker,
It is formed by partially protruding the ball from the ball movement limiting groove by constraining the ball and the spring to the ball movement limiting groove located on the outer peripheral surface of the induction tip tube or the first induction connection tube or the second induction connection tube,
The ball receiving annular groove,
In the folded state of the induction tip tube, the first induction connection tube, the second induction connection tube, and the shaft housing on the treatment tool, to be located near the tip of the treatment tool, a first guide connection tube or a second A surgical handpiece formed on the inner circumferential surface of the first induction connection tube or the second induction connection tube or the shaft housing along the circumference of the induction connection tube or the shaft housing.
According to claim 1,
The inductive connection pipe,
When having one of the first inductively connected pipes,
having one intermediate bearing between the first inductively connecting tube and the second inductively connecting tube;
A surgical handpiece for contacting the second guide tube to the intermediate bearing directly above the intermediate bearing.
16. The method of claim 15,
The front bearing, the intermediate bearing, and the rear bearing,
The guide tip tube and the first guide tube and the second guide tube are individually assembled or all integrally formed, a surgical handpiece.
According to claim 1,
The inductive connection pipe,
When having a plurality of the first inductive connection pipe,
between the guide tip tube and the shaft housing, one first intermediate bearing between first front guide connection tubes spaced apart from the shaft housing,
contacting a first individual front guiding tube to the first intermediate bearing directly above the first intermediate bearing;
Between the guide tip tube and the shaft housing, between the first rear guide tube and the second guide tube positioned close to the shaft housing, a second intermediate bearing,
A surgical handpiece for contacting the second guide tube to the second intermediate bearing directly above the second intermediate bearing.
18. The method of claim 17,
The front bearing, the first intermediate bearing, the second intermediate bearing, and the rear bearing,
The guide tip tube and the first front guide tube, the first rear guide tube and the second guide tube are individually assembled or all integrally formed, a surgical handpiece.



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