CN215129795U - Handheld medical instrument sealed power device and handheld medical instrument - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a hand-held type medical instrument sealed power device and hand-held type medical instrument. The utility model discloses, hardly accomplish better sealed to motor button position among the prior art, can't carry out the sterile problem of high temperature high pressure steam sterilization, provide a hand-held type medical instrument sealed power device and hand-held type medical instrument, including the power main part, the power main part includes motor packaging body and motor, the motor exports motor power to the motor packaging body outside through the power take off structure rather than linking to each other, still be packaged with power supply structure and proximity switch in the motor packaging body, motor, proximity switch and power supply structure electricity are connected and are formed series circuit. The utility model discloses utilize opening and close of proximity switch control motor, need not to set up mechanical button on the motor packaging body like this for the motor packaging body wholly has better seal, can carry out high temperature high pressure steam sterilization.

Description

Handheld medical instrument sealed power device and handheld medical instrument

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a hand-held type medical instrument sealed power device and hand-held type medical instrument.

Background

The uterine rotary cutter is a handheld tool used for medical personnel to carry out uterine and hysteromyoma resection operations, and is provided with a motor component, a rotary cutter component and a rotary cutter; the rotary cutter is respectively provided with a female rotary cutter and a ventral rotary cutter. When in operation, the medical staff carries out rotary cutting under the coordination of the endoscope.

All need can carry out the secondary after medical instrument uses through the disinfection and use, among the disinfection process, the mode that generally thinks high temperature high pressure steam sterilization disinfection is the most thorough, but rotary cutter motor among the prior art is mostly opened and close through external button control motor, and the button position is difficult to accomplish better sealed, can't carry out high temperature high pressure steam sterilization disinfection.

For example, the chinese utility model patent discloses a uterine rotary cutter [ application number: 200920190184.7], the utility model comprises a motor assembly, a rotary cutter and a handle, wherein the motor assembly is in compression fit and fixed connection with the handle, the motor assembly is matched with the rotary cutter assembly, and the rotary cutter assembly is matched with the rotary cutter.

The utility model discloses a motor that the rotary cutter used that the patent provided opens and close through external button control motor promptly, so there is above-mentioned leakproofness poor, can not carry out high temperature high pressure steam sterilization's problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem and provides a hand-held medical instrument sealing type power device which can perform high-temperature high-pressure steam sterilization and disinfection.

Another object of the present invention is to solve the above problems and provide a handheld medical device having a sealed power device for handheld medical device capable of performing high temperature and high pressure steam sterilization

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a hand-held type medical instrument sealed power device, includes the power main part, the power main part includes motor packaging body and the motor that is located the motor packaging body, the motor exports motor power to the motor packaging body outside through the power take off structure who links to each other rather than, sealing connection between power take off structure and the motor packaging body, still encapsulate power supply structure and receive the external proximity control piece control of arranging in motor packaging body outside to switch on and the proximity switch who ends in the motor packaging body, motor, proximity switch and power supply structure electricity are connected and are formed series circuit.

In the above sealed power device for a handheld medical instrument, the power supply structure includes a power supply connector, the power supply connector is inserted into the motor package and is hermetically connected with the motor package, and the power supply connector is directly connected to the series circuit or is connected to the series circuit through a storage battery; or the power supply structure comprises a wireless rechargeable battery packaged in the motor packaging body.

In the above sealed power device for a handheld medical instrument, the power main body is a cylindrical body, the power output structure is located at the upper end of the cylindrical body, and the power supply connector is located at the lower end of the cylindrical body; the outer end of the power output structure is provided with a power clutch structure; the power main body is further provided with a mounting structure detachably connected to the handheld medical instrument, and the power clutch structure is connected with a working part of the handheld medical instrument after the power main body is mounted on the handheld medical instrument.

In the above-mentioned sealed power device of handheld medical instrument, the power take-off structure includes the shaft coupling body, motor packaging body upper end inboard is equipped with the shrouding, the shaft coupling body is the tube-shape and wears to locate the shrouding with circumference dynamic seal, the power shaft tight fit of motor is inserted in the shaft coupling body inner, power separation and reunion structure is including the unsmooth butt joint structure who locates the shaft coupling body outer end.

In the above sealed power device for a handheld medical instrument, the motor is fixed in the motor package through the motor positioning structure.

In the above-mentioned sealed power device of handheld medical instrument, the motor positioning structure includes a positioning cylinder tightly fitted around the periphery of the motor, the lower end of the positioning cylinder is provided with a plurality of axially extending positioning grooves, the inner wall of the motor package is provided with a plurality of axially extending positioning protruding strips, the positioning protruding strips are inserted into the positioning grooves in a one-to-one correspondence manner, and the upper end of the motor abuts against the annular step on the inner wall of the motor package.

In the above sealed power device for the handheld medical instrument, the lower end of the motor package body is provided with an expanded part, and an assembly step is formed between the upper end of the expanded part and the motor package body; the power supply structure is arranged on the expansion part.

A handheld medical instrument adopting the handheld medical instrument sealing type power device comprises a holding handle, wherein an installation channel for installing a power main body is arranged on the holding handle, an approach control piece is arranged on the holding handle and comprises a control button movably arranged on the holding handle in a penetrating way and a control body fixed at the inner end of the control button, and the control body is arranged corresponding to an approach switch packaged in the power main body; a separable connecting structure is arranged between the holding handle and the power main body; the power main body is arranged on the holding handle, and the power output structure is connected with a working part of the handheld medical instrument.

In the above-mentioned handheld medical device, the proximity switch is a hall switch; the control body is a control body; the control button axially movably penetrates through the holding handle in a limiting mode, and a return spring is arranged between the control button and the holding handle.

In the above-mentioned handheld medical device, the power body is inserted into the mounting channel from the lower end of the grip handle; the power main body is provided with a mounting structure which is detachably connected with a handheld medical instrument, the separable connecting structure comprises a button movably connected with the holding handle and an insert which can be embedded into or separated from the mounting structure, the button and the insert are connected through a reversing component, when the button is moved, the reversing component drives the insert to move along the direction vertical to the moving direction of the button, one end of the insert close to the motor main body is provided with a guide inclined plane, the reversing component comprises a first reversing shaft and a second reversing shaft which are arranged in parallel, the first reversing shaft and the second reversing shaft are fixedly connected through a swing arm, one end of the first reversing shaft, far away from the swing arm, extends into the button, one end of the second reversing shaft, far away from the swing arm, is sleeved with a sliding block, the insert is fixedly connected with the swing arm, and an eccentric wheel is further arranged between the second reversing shaft and the sliding block, the second reversing shaft is fixedly connected with the eccentric wheel, the eccentric wheel can be pressed on the inner surface of the sliding block by rotating the second reversing shaft, one end of the insert is fixedly connected onto the sliding block, the other end of the insert extends to the lower part of the sliding block, a deformation gap is formed between the insert and the sliding block, and the insert is made of a plastic material capable of deforming.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses utilize opening and close of proximity switch control motor, need not to set up mechanical button on the motor packaging body like this for the motor packaging body wholly has better seal, can carry out high temperature high pressure steam sterilization.

2. The utility model discloses be equipped with the switching-over subassembly that can change relative motion direction between button and the inserts for the button sets up the position and has bigger selection space, and switching-over subassembly simple structure is small and exquisite simultaneously, and the transmission is stable.

Drawings

FIG. 1 is a schematic view of the present invention assembled to a handheld medical device;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic view of the assembly of the present invention;

FIG. 4 is a schematic structural view of the locking mechanism;

in the figure: the power supply device comprises a power supply structure a, a power supply connector b, a control piece c, a control button d, a control body e, a power clutch structure f, a coupling body g, a sealing plate h, a power main body 100, a motor packaging body 101, a motor 102, a power output structure 103, a proximity switch 104, a positioning cylinder 105, an assembling step 106, an expansion part 107, an elastic washer 108, a mounting structure 109, a holding handle 200, a mounting channel 201, a locking mechanism 300, a button 301, an insert 302, a reversing assembly 303, a first reversing shaft 304, a second reversing shaft 305, a swing arm 306, a sliding block 307, an eccentric wheel 308, a guide inclined plane 309 and a deformation gap 310.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

The embodiment provides a sealed power device for a handheld medical instrument, which is shown in fig. 1 to 3 and includes a power main body 100, where the power main body 100 includes a motor package 101 and a motor 102 located in the motor package 101, one end of a power output structure 103 is connected to the motor 102, and the other end extends out of the motor package 101, the power output structure 103 is connected to the motor package 101 in a sealing manner, and the sealing between the power output structure 103 and the motor package 101 may be implemented by using a rotary sealing structure commonly used in the art, for example, may be composed of a slip ring made of filled polytetrafluoroethylene and a rubber O-ring providing elasticity. The motor packaging body 101 further comprises a proximity switch 104 capable of controlling the motor 102 to be turned on and off, the proximity switch 104 is in a conducting or cut-off state along with the fact that a control piece c externally arranged outside the motor packaging body 101 is close to or far away from the proximity switch 104, and the control piece c is movably arranged on the handheld medical instrument. The proximity switch 104 may be selected from the class of proximity switches commonly used in the art, but preferably the proximity switch 104 is a hall switch. The control piece c comprises a control button d and a control body e fixed at the inner end of the control button d. The motor 102 is connected with a power supply structure a, the motor 102, the proximity switch 104 and the power supply structure a are electrically connected to form a series circuit, the power supply structure a comprises a power supply connector b penetrating through the motor packaging body 101, the power supply connector b penetrates through the motor packaging body 101 and is hermetically connected with the motor packaging body 101, and the power supply connector b is directly connected with the series circuit or is connected with the series circuit through a storage battery; or the power supply structure a comprises a wireless rechargeable battery packaged in the motor package 101.

The utility model discloses, during the use, press the control button d of installing on hand-held type medical instrument, the control body e of control button d tip is close and triggers proximity switch 104 and makes proximity switch 104 starter motor 102, and motor 102 passes through power take off structure 103 output drive power, and the rotary cutter on the drive hand-held type medical instrument carries out the rotary-cut. The event the utility model discloses utilize opening and close of proximity switch 104 control motor 102, need not to set up mechanical button on motor packaging body 101 like this for motor packaging body 101 wholly has better seal, can carry out high temperature high pressure steam sterilization.

As shown in fig. 3, the power main body 100 is a cylindrical body, the power output structure 103 is located at the upper end of the cylindrical body, and the power supply connector b is located at the lower end of the cylindrical body; namely, the power output structure 103 and the power supply connector b are respectively arranged at two ends, so that the structure arrangement is convenient. The outer end of the power output structure 103 is provided with a power clutch structure f, and the power clutch structure f can control whether the power of the power output structure 103 can be input into the handheld medical instrument; the power main body 100 is further provided with a mounting structure 109 detachably connected to the handheld medical instrument, and the power clutch structure f is connected with a working part of the handheld medical instrument after the power main body 100 is mounted on the handheld medical instrument.

Specifically speaking, power take off structure 103 includes shaft coupling body g, motor packaging body 101 upper end inboard is equipped with shrouding h, shaft coupling body g is the tube-shape and wears to locate shrouding h with circumference dynamic seal, motor 102's power axle tight fit is inserted in shaft coupling body g the inner, power clutch structure f is including the unsmooth butt joint structure who locates shaft coupling body g outer end, through the unsmooth structure whether butt joint control separation and reunion relatively. The sealing plate h is used to ensure the sealing between the coupling body g and the power body 100.

As shown in fig. 3, the motor 102 is fixed in the motor package 101 by a motor positioning structure. Wherein, motor location structure includes that the tight fit ground overlaps in motor 102 outlying location barrel 105, location barrel 105 lower extreme is opened there are a plurality of axially extended constant head tanks 110, motor packaging body 101 inner wall is equipped with a plurality of axially extended location sand grips, the location sand grip one-to-one is inserted in constant head tank 110, motor 102 upper end supports and leans on in motor packaging body 101 inner wall's annular step 111. The positioning slot 110 and the positioning protrusion strip are matched with each other to limit and fix the motor 102.

As shown in fig. 2 and fig. 3, the lower end of the motor package 101 has an enlarged part 107, and an assembly step 106 is formed between the upper end of the enlarged part 107 and the motor package 101; the power feeding structure a is provided in the enlarged portion 107. After the assembly is completed, the expansion part 107 is pressed on the handheld medical device, so that a certain positioning effect is achieved.

Preferably, an elastic washer 108 is further included, which is disposed between the enlarged portion 107 and the handheld medical device. This may reduce the impact forces that may be generated between the bulge 107 and the handheld medical device when the bulge is mounted to the handheld medical device.

Example 2

The embodiment provides a handheld medical instrument comprising the handheld medical instrument sealed power device described in embodiment 1, and the handheld medical instrument comprises a holding handle 200, wherein an installation channel 201 for installing a power main body 100 is formed in the holding handle 200, an approaching control member c is arranged on the holding handle 200, the approaching control member c comprises a control button d movably penetrating through the holding handle 200 and a control body e fixed at the inner end of the control button d, and the control body e is arranged corresponding to an approaching switch 104 packaged in the power main body 100; a separable connecting structure 300 is arranged between the holding handle 200 and the power main body 100; after the power main body 100 is installed on the holding handle 200, the power output structure 103 is connected with the working part of the handheld medical device. Wherein, the proximity switch 104 is a hall switch; the control body e is a magnet; the control button d axially movably penetrates through the holding handle 200 in a limiting manner, and a return spring is arranged between the control button d and the holding handle. The reset spring can ensure that the control button d performs rebound reset after the external force is removed.

As shown in fig. 3 and 4, the handheld medical device is further provided with a locking mechanism 300, the surface of the motor package 101 is provided with a mounting structure 109 recessed towards the inside of the motor package 101, and one end of the locking mechanism 300 can be inserted into or separated from the mounting structure 109. The locking mechanism 300 comprises a button 301 movably connected to the handheld medical device and an insert 302 capable of being inserted into or separated from the mounting structure 109, the button 301 and the insert 302 are connected through a reversing assembly 303, and when the button 301 is moved, the reversing assembly 303 drives the insert 302 to move along a direction perpendicular to the moving direction of the button 301. The utility model discloses be equipped with the switching-over subassembly 303 that can change relative motion direction between button 301 and the inserts 302 for button 301 sets up the position and has bigger selection space, and switching-over subassembly 303 simple structure is small and exquisite simultaneously, and the transmission is stable.

Preferably, the end of the insert 302 adjacent to the power body 100 is provided with a guide bevel 309. The guide bevel 309 functions as a guide to facilitate the insertion of the insert 302 into the mounting structure 109 when the power body 100 is mounted to the handheld medical device.

As shown in fig. 4, the reversing assembly 303 includes a first reversing shaft 304 and a second reversing shaft 305, which are arranged in parallel, the first reversing shaft 304 and the second reversing shaft 305 are fixedly connected through a swing arm 306, an end of the first reversing shaft 304, which is far away from the swing arm 306, extends into the button 301, an end of the second reversing shaft 305, which is far away from the swing arm 306, is sleeved with a sliding block 307, the insert 302 is fixedly connected to the sliding block 307, an eccentric 308 is further arranged between the second reversing shaft 305 and the sliding block 307, the second reversing shaft 305 is fixedly connected with the eccentric 308, and the eccentric 308 can be pressed on an inner surface of the sliding block 307 by rotating the second reversing shaft 305.

In use, when the button 301 is pressed, the button 301 applies a pressure to the first reversing shaft 304 to move the first reversing shaft 304 backward, the first reversing shaft 304 drives the second reversing shaft 305 through the swing arm 306, so that the second reversing shaft 305 drives the eccentric wheel 308 to rotate, the eccentric wheel 308 rotates and presses the inner surface of the sliding block 307, so that the sliding block 307 moves leftward, and the insert 302 is removed from the mounting structure 109. Instead, the insert 302 is embedded in the mounting structure 109.

Preferably, one end of the insert 302 is fixedly connected to the sliding block 307, and the other end of the insert 302 extends to below the sliding block 307, and a deformation gap 310 is formed between the insert and the sliding block 307, and the insert 302 is made of a deformable plastic material. After the pressure is applied, the insert 302 can deform to bend into the deformation gap 310, and after the pressure is removed, the insert 302 can rebound to reset. This facilitates the installation of the power body 100 and also enhances the locking force on the power body 100 after the insert 302 is inserted into the mounting structure 109.

The utility model discloses a theory of operation is: when the rotary cutting tool is used, the power main body 100 slides into the handheld medical instrument until the insert 302 is embedded into the mounting structure 109 to complete mounting, the expansion part 107 is pressed on the handheld medical instrument, the starting button mounted on the handheld medical instrument is pressed, the proximity switch 104 is triggered to enable the proximity switch 104 to start the motor 102, and the motor 102 outputs driving force through the power output structure 103 to drive the rotary cutting tool on the handheld medical instrument to perform rotary cutting. When the power main body 100 needs to be disassembled for disinfection and sterilization, the button 301 is pressed, the button 301 applies a pressure to the first reversing shaft 304 to enable the first reversing shaft 304 to move backwards, the first reversing shaft 304 drives the second reversing shaft 305 through the swing arm 306, the second reversing shaft 305 drives the eccentric wheel 308 to rotate, the eccentric wheel 308 rotates and presses the inner surface of the sliding block 307, the sliding block 307 moves leftwards, the insert 302 is separated from the mounting structure 109, and at the moment, the power main body 100 is taken out. The event the utility model discloses utilize opening and close of proximity switch 104 control motor 102, need not to set up mechanical button on motor packaging body 101 like this for motor packaging body 101 wholly has better seal, can carry out high temperature high pressure steam sterilization.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the power supply structure a, the power supply connector b, the control member c, the control button d, the control body e, the power clutch structure f, the coupling body g, the sealing plate h, the power body 100, the motor package 101, the motor 102, the power output structure 103, the proximity switch 104, the positioning cylinder 105, the assembly step 106, the enlarged portion 107, the elastic washer 108, the mounting structure 109, the grip handle 200, the mounting channel 201, the locking mechanism 300, the button 301, the insert 302, the reversing assembly 303, the first reversing shaft 304, the second reversing shaft 305, the swing arm 306, the sliding block 307, the eccentric 308, the guide slope 309, the deformation gap 310, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. A sealed power device of a handheld medical instrument comprises a power main body (100), and is characterized in that: the power main body (100) comprises a motor packaging body (101) and a motor (102) located in the motor packaging body (101), the motor (102) outputs motor power to the motor packaging body (101) through a power output structure (103) connected with the motor (102), the power output structure (103) is connected with the motor packaging body (101) in a sealing mode, a power supply structure (a) and a proximity switch (104) controlled to be switched on and switched off by a proximity control piece (c) arranged outside the motor packaging body (101) are further packaged in the motor packaging body (101), and the motor (102), the proximity switch (104) and the power supply structure (a) are electrically connected to form a series loop.

2. The sealed power device of claim 1, wherein: the power supply structure (a) comprises a power supply connector (b), the power supply connector (b) is arranged in the motor packaging body (101) in a penetrating mode and is connected with the motor packaging body (101) in a sealing mode, and the power supply connector (b) is directly connected to the series circuit or is connected with the series circuit through a storage battery; or the power supply structure (a) comprises a wireless rechargeable battery packaged in the motor package body (101).

3. The sealed power device of claim 2, wherein: the power main body (100) is a cylindrical body, the power output structure (103) is positioned at the upper end of the cylindrical body, and the power supply joint (b) is positioned at the lower end of the cylindrical body; the outer end of the power output structure (103) is provided with a power clutch structure (f); the power main body (100) is further provided with a mounting structure (109) detachably connected to the handheld medical instrument, and the power clutch structure (f) is connected with a working part of the handheld medical instrument after the power main body (100) is mounted on the handheld medical instrument.

4. The sealed power device of claim 3, wherein: power take off structure (103) is including shaft coupling body (g), motor packaging body (101) upper end inboard is equipped with shrouding (h), shaft coupling body (g) are tube-shape and circumference and wear to locate shrouding (h) movive seal ground, the power shaft tight fit of motor (102) is inserted in shaft coupling body (g) inner, power separation and reunion structure (f) is including the unsmooth butt joint structure who locates shaft coupling body (g) outer end.

5. The sealed power device of any of claims 1-4, wherein: the motor (102) is fixed in the motor packaging body (101) through a motor positioning structure.

6. The sealed power device of claim 5, wherein: motor location structure includes that the tight fit ground overlaps in motor (102) outlying location barrel (105), location barrel (105) lower extreme is opened has a plurality of axially extended constant head tank (110), motor packaging body (101) inner wall is equipped with a plurality of axially extended location sand grip, the location sand grip inserts in constant head tank (110) one-to-one, motor (102) upper end supports and leans on annular step (111) in motor packaging body (101) inner wall.

7. The sealed power device of claim 5, wherein: the lower end of the motor packaging body (101) is provided with an expansion part (107), and an assembly step (106) is formed between the upper end of the expansion part (107) and the motor packaging body (101); the power supply structure (a) is provided in the expansion section (107).

8. A hand-held medical instrument adopting the sealing type power device of the hand-held medical instrument as claimed in any one of claims 1 to 7, comprising a holding handle (200), wherein an installation channel (201) for installing the power main body (100) is arranged on the holding handle (200), an approach control member (c) is arranged on the holding handle (200), the approach control member (c) comprises a control button (d) movably arranged on the holding handle (200) in a penetrating way and a control body (e) fixed at the inner end of the control button (d), and the control body (e) is arranged corresponding to an approach switch (104) packaged in the power main body (100); a separable connecting structure (300) is arranged between the holding handle (200) and the power main body (100); after the power main body (100) is arranged on the holding handle (200), the power output structure (103) is connected with a working part of the handheld medical instrument.

9. The handheld medical instrument of claim 8, wherein: the proximity switch (104) is a Hall switch; the control body (e) is a magnet; the control button (d) is axially movably and limitedly arranged on the holding handle (200) in a penetrating way, and a return spring is arranged between the control button and the holding handle.

10. The handheld medical instrument of claim 8, wherein: the power main body (100) is inserted into the mounting channel (201) from the lower end of the holding handle (200); the power body (100) is provided with a mounting structure (109) detachably connected with a handheld medical instrument, the detachable connecting structure (300) comprises a button (301) movably connected to the holding handle (200) and an insert (302) capable of being embedded into or separated from the mounting structure (109), the button (301) and the insert (302) are connected through a reversing assembly (303), when the button (301) is moved, the reversing assembly (303) drives the insert (302) to move along a direction perpendicular to the moving direction of the button (301), one end, close to the motor body (100), of the insert (302) is provided with a guide inclined plane (309), the reversing assembly (303) comprises a first reversing shaft (304) and a second reversing shaft (305) which are arranged in parallel, the first reversing shaft (304) and the second reversing shaft (305) are fixedly connected through a swing arm (306), one end, far away from the swing arm (306), of the first reversing shaft (304) extends into the button (301), a sliding block (307) is sleeved outside one end, far away from the swing arm (306), of the second reversing shaft (305), the embedded piece (302) is fixedly connected to the sliding block (307), an eccentric wheel (308) is further arranged between the second reversing shaft (305) and the sliding block (307), the second reversing shaft (305) is fixedly connected with the eccentric wheel (308), the eccentric wheel (308) can be pressed on the inner surface of the sliding block (307) by rotating the second reversing shaft (305), one end of the embedded piece (302) is fixedly connected to the sliding block (307), the other end of the embedded piece (302) extends to the lower side of the sliding block (307), a deformation gap (310) is formed between the embedded piece (302) and the sliding block (307), and the embedded piece (302) is made of a deformable plastic material.

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