CN216167707U

CN216167707U - Valve component and medical planing handle

Info

Publication number: CN216167707U
Application number: CN202122436341.1U
Authority: CN
Inventors: 赵勇; 胡润波; 何朝东; 王绘虎
Original assignee: Chengdu Mechan Electronic Technology Co ltd
Current assignee: Chengdu Mechan Electronic Technology Co ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-04-05
Anticipated expiration: 2031-10-10

Abstract

The utility model relates to a valve component and a medical planing handle, and belongs to the technical field of medical instruments. The medical planing handle comprises a valve component, the valve component comprises a shell and a control component, the control component comprises a hand wheel used for controlling the opening and closing of the valve component, the hand wheel is arranged in the shell, and the outer edge of the hand wheel protrudes from at least one side of the length direction of the shell. When a doctor uses the medical planing device with the valve assembly, the hand wheel can be directly pulled to rotate by a thumb or a forefinger held on the medical planing device, so that the doctor can operate the valve assembly by a single hand, and the use is convenient.

Description

Valve component and medical planing handle

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a valve component and a medical planing handle.

Background

The medical planing instrument is used for planing bone tissues and/or soft tissues of a human body in ear-nose-throat department, neurosurgery, orthopaedics or other surgical operations. The medical planing device comprises a planing tool and a medical planing handle which drives the planing tool to rotate at a high speed. In order to remove the tissue shaved by the shaver, the inside of the handle is also provided with a suction channel and a valve for controlling the opening and closing of the suction channel. The suction channel valve in the prior medical planing handle can not be operated by a single hand and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to a valve assembly and a medical planing handle, wherein the valve assembly can be operated with a single hand and is easy to use.

The technical scheme of the utility model is as follows:

the embodiment of the utility model provides a valve assembly, which comprises a shell and a control assembly, wherein the control assembly comprises a hand wheel for controlling the opening and closing of the valve assembly, the hand wheel is arranged in the shell, and the outer edge of the hand wheel protrudes from at least one side of the length direction of the shell.

When a doctor uses the medical planing device with the valve assembly, the doctor holds the medical planing device in a pen holding mode, and the thumb and the forefinger of the doctor are located on two sides of the planing device in the length direction respectively. In the structure, the hand wheel on the valve component is arranged in the shell, and the outer edge of the hand wheel protrudes from at least one side of the length direction of the shell, so that a doctor can directly stir the hand wheel to rotate by holding a thumb or a forefinger on the medical planing instrument, the doctor can operate the valve component by a single hand, and the use is convenient.

As an alternative to the above embodiment, the hand wheel penetrates in the left-right direction of the housing and protrudes from the housing on both sides. The thumb and the forefinger of the doctor can stir the hand wheel to rotate, and the operation mode is more flexible and accurate.

As an alternative of the above embodiment, the control assembly further includes a valve core, the housing is provided with an adjusting hole, and the valve core is rotatably embedded in the adjusting hole and connected with the hand wheel.

As an alternative to the above embodiment, the housing is further provided with a suction channel and a screwing through groove, the screwing through groove penetrates through the housing along the left-right direction of the housing, the adjusting hole penetrates through the screwing through groove and is communicated with the suction channel, the hand wheel is rotatably arranged in the screwing through groove, and the valve core is used for controlling the opening and closing of the suction channel. The suction channel is used for extracting waste liquid in the planing operation, the hand wheel is located in the screwing through groove, the valve core can be controlled to rotate, the suction channel can be opened or closed when the valve core rotates, and the operation mode is simple and convenient.

As an alternative to the above embodiment, the adjustment hole extends from the top end of the housing to the suction passage, and the control assembly further includes a cap that is provided at one end of the valve element and closes the top end of the adjustment hole. When the control assembly is installed, the hand wheel is placed in the screwing through groove, the valve core is placed into the adjusting hole from the top end of the adjusting hole, the valve core and the hand wheel are fixed, the installation mode is simple, the sealing cover can cover the adjusting hole, the top of the shell is smooth, and the hand feeling is good during use.

As an alternative of the above embodiment, a limiting protrusion is disposed on the sealing cover, a fan-shaped limiting sliding groove is disposed at one end of the valve core, and the limiting protrusion is inserted into the limiting sliding groove and limits the rotation angle of the valve core. Spacing arch and the cooperation of spacing spout, the closing cap can not influence the normal rotation of case, and spacing arch can restrict the rotation angle of case simultaneously and be 90, when the case rotated to one of them extreme position, shows that the case is full open, when the case rotated another extreme position, shows that the case is the full cut-off to remind the operator.

As an alternative to the above embodiment, the valve cartridge is removably connected to the handwheel. The valve core or the hand wheel can be replaced at any time according to the requirement, so that the maintenance is convenient.

As an alternative of the above embodiment, the valve core is provided with a connecting groove, a connecting pin is arranged in the connecting groove, an axial through groove is arranged on the inner surface of the hand wheel, and the connecting pin is inserted in the axial through groove. The valve core and the hand wheel are simple in connection mode and convenient to disassemble and assemble.

As an alternative of the above embodiment, a sealing groove is formed in the circumferential surface of the valve element, a sealing ring is embedded in the sealing groove, and the sealing ring is attached to the inner surface of the adjusting hole. The sealing ring can prevent the liquid in the suction channel from flowing out of the adjusting hole.

As an alternative to the above embodiment, the top end of the valve cartridge is provided with a blind bore. The blind hole can reduce the weight of the valve core, so that the whole weight of the medical planing handle is reduced, the burden of doctors is reduced, and the use is convenient.

As an alternative to the above embodiment, the top end of the housing is provided with a recess adjacent to the control assembly and behind the control assembly. The size of shell reduces, and then reduces the whole quality of medical planing handle, reduces doctor's burden, convenient to use.

As an alternative to the above embodiment, the hand wheel is provided with a plurality of screwing protrusions and a plurality of screwing grooves around the hand wheel, and the screwing protrusions and the screwing grooves are arranged in a crossing manner. When a doctor stirs the hand wheel, the fingers are in contact with the screwing protrusions, so that slipping can be prevented, and the operation is more accurate.

The embodiment of the utility model also provides a medical planing handle, which comprises the valve assembly.

The utility model has the beneficial effects that:

according to the valve component provided by the utility model, the hand wheel is sunk into the shell, and protrudes from at least one side of the shell, so that a doctor can directly stir the hand wheel to rotate by a thumb or a forefinger held on the planing handle, and the valve component can be operated by a single hand after being applied to a medical planing handle, and is convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a first schematic view of a medical planing handle according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a medical planing handle according to an embodiment of the present invention;

FIG. 3 is a third schematic structural view of a medical planing handle according to an embodiment of the present invention;

FIG. 4 is an enlarged view of part A of FIG. 1;

FIG. 5 is a first schematic structural diagram of a valve cartridge according to an embodiment of the present invention;

FIG. 6 is a second schematic structural diagram of a valve core according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a closure according to an embodiment of the present invention;

FIG. 8 is a first schematic view illustrating a relationship between a valve element and a cap according to an embodiment of the present invention;

fig. 9 is a second schematic view illustrating a matching relationship between the valve element and the cover according to an embodiment of the present invention.

Icon:

10-medical planing handle; 11-a valve assembly; 110-a housing; 111-a suction channel; 112-screwing through grooves; 113-a regulating hole; 114-a recess; 120-a control component; 121-a valve core; 122-a cover; 123-hand wheel; 124-limit sliding chute; 125-limit protrusion; 126-connecting groove; 127-a connecting pin; 128-axial through slot; 129-a seal groove; 130-a sealing ring; 131-blind hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, an embodiment of the present invention provides a medical planing handle 10, wherein the medical planing handle 10 may be used to resect diseased bone tissue and/or soft tissue and to expel the resected tissue.

The medical planing handle 10 is mainly composed of a power assembly, a transmission assembly, a locking assembly, a cable assembly and a valve assembly 11.

The power assembly is used for providing power for the medical planing handle 10, the transmission assembly is used for driving the planing tool to rotate, the locking assembly is used for fixing the planing tool at the front end of the medical planing handle 10, the cable assembly is used for fixing a cable of the power assembly, the valve assembly 11 is used for controlling opening, closing and flow rate of a channel of the medical planing handle 10 and the like, the structures of the power assembly, the transmission assembly, the locking assembly and the cable assembly can refer to the prior art, and the description is omitted.

The valve assembly 11 is constructed as follows: valve assembly 11 includes a housing 110 and a control assembly 120.

The structure of the housing 110 may adopt, but is not limited to, the following schemes: referring to fig. 3, the housing 110 is provided with a mounting cavity, a suction channel 111 and a power channel (the mounting cavity and the power channel are not labeled in the figure), the mounting cavity is disposed at the front end of the housing 110, the suction channel 111 and the power channel are disposed side by side, the suction channel 111 is communicated with the mounting cavity, and the power channel is communicated with the mounting cavity.

In addition, the housing 110 is further provided with a screwing through slot 112 and an adjusting hole 113 (see fig. 4), the screwing through slot 112 penetrates through the housing 110 along the left-right direction of the medical planing handle 10, the adjusting hole 113 penetrates through the screwing through slot 112, the adjusting hole 113 is communicated with the suction channel 111, the direction and the position of the adjusting hole 113 are not limited, in this embodiment, the adjusting hole 113 extends from the top end of the housing 110 to the suction channel 111 along the vertical direction, and the adjusting hole 113 may be a stepped hole or the like.

It should be noted that "front end" refers to an end of the medical planing handle 10 to which the planing tool is connected, "top end" refers to a top end of the medical planing handle 10 during normal use, as shown in fig. 1, "front end" refers to a left end in fig. 1, "rear end" refers to a right end in fig. 1, "top end" refers to an upper end in fig. 1, and the like, "left-right direction" is perpendicular to a plane of fig. 1, and the front end, the rear end, and the like of the housing may refer to the front end, the rear end, and the like of the medical planing handle 10.

The housing 110 has a longitudinal direction and a width direction, the longitudinal direction of the housing 110 refers to the front-back direction of the housing 110, the width direction of the housing 110 refers to the left-right direction of the housing 110, and one side of the longitudinal direction of the housing 110 refers to the left side or the right side of the housing 110. referring to fig. 2, the longitudinal direction of the housing 110 is the left-right direction in fig. 2, and one side of the longitudinal direction of the housing 110 refers to the lower side or the upper side of the housing 110.

In this embodiment, the top end of the housing 110 is provided with a convex portion and a concave portion 114, the control component 120 is located on the convex portion, the concave portion 114 is adjacent to the control component 120 and the concave portion 114 is located behind the control component 120, and the top surfaces of the convex portion and the concave portion 114 are in smooth transition.

The concave part 114 can extend to the rear end of the shell 110 from the convex part, and the concave part 114 is arranged at the top end of the shell 110, so that the overall mass of the medical planing handle 10 can be reduced by more than 30g, the medical planing handle is convenient to hold, the man-machine engineering is met, the control precision is improved, and the operation fatigue of doctors is reduced.

Referring to fig. 4, the control assembly 120 includes a valve core 121, a handwheel 123, and a cover 122.

The handwheel 123 is used for controlling the opening and closing of the valve assembly 11, the handwheel 123 is disposed in the housing, the outer edge of the handwheel 123 protrudes from at least one side of the housing 110 in the length direction, in this embodiment, the handwheel 123 penetrates through the housing 110 along the width direction of the housing 110, and the outer edge of the handwheel 123 protrudes from two sides of the housing 110 in the length direction.

When using the medical planing handle 10 using the valve assembly 11, the physician holds the medical planing handle 10 in a manner similar to a pen, with the thumb and forefinger of the physician located on each side of the medical planing handle 10 in the longitudinal direction. In the above structure, the handwheel 123 of the valve assembly 11 is disposed inside the housing 110, and the outer edge of the handwheel 123 protrudes from at least one side of the housing 110 in the length direction, so that a physician can directly toggle the handwheel 123 to rotate by a thumb or a forefinger held on the medical planing handle 10, and the physician can operate the valve assembly 11 with a single hand, and the use is convenient.

The valve element 121 is connected to the hand wheel 123, where the connection manner of the valve element 121 and the hand wheel 123 is not limited, for example, the valve element 121 and the hand wheel 123 are integrally formed, separately arranged, and the like, in this embodiment, the valve element 121 and the hand wheel 123 are detachably connected, and the connection manner may be selected from, but is not limited to, the following schemes: the valve element 121 is provided with a connecting groove 126, a connecting pin 127 is arranged in the connecting groove 126, an axial through groove 128 is arranged on the inner surface of the hand wheel 123, and the connecting pin 127 is inserted in the axial through groove 128.

Referring to fig. 5 and 6, the valve element 121 is generally cylindrical, the valve element 121 is embedded in the adjustment hole 113, and the valve element 121 can rotate around its axis in the adjustment hole 113.

The top end of the valve core 121 is provided with a blind hole 131, the periphery of the blind hole 131 is a side wall, the top end of the side wall can be provided with a limit chute 124, the limit chute 124 is arranged in a fan shape, and a fan-shaped central angle can be set according to requirements, for example, the fan-shaped central angle can be 80 degrees, 90 degrees, 120 degrees and the like, if the valve core 121 is to be rotated to two limit positions, the valve core is fully opened and fully closed respectively, the fan-shaped central angle is 90 degrees, and the point to be ensured is that the valve core 121 can open and close the suction channel 111 within the angle range of limited rotation.

The valve core 121 is provided with a control through hole, the control through hole is matched with the suction channel 111, and along with the rotation of the valve core 121, the size of an opening at the joint of the control through hole and the suction channel 111 is different, so that the valve core 121 can control the opening and closing of the suction channel 111 and control the flow rate of liquid in the suction channel 111.

A seal groove 129 is formed in the circumferential surface of the valve element 121, a seal ring 130 is fitted into the seal groove 129, and the seal ring 130 is fitted to the inner surface of the adjustment hole 113.

The hand wheel 123 is rotatably arranged in the screwing through groove 112, a part of the hand wheel 123 is exposed out of the screwing through groove 112, the hand wheel 123 is approximately circular, a plurality of screwing protrusions and a plurality of screwing grooves are arranged on the periphery of the hand wheel 123, and the screwing protrusions and the screwing grooves are arranged in a crossed mode.

The sealing cover 122 is arranged at one end of the valve core 121 and seals the top end of the adjusting hole 113, the connection mode of the sealing cover 122 and the shell 110 is not limited, in the embodiment, the sealing cover 122 and the shell 110 are fixed through plane sealing glue, the plane sealing glue can lose viscosity at high temperature and become solid small powder, and therefore the sealing cover 122 can be detached.

The top end of the adjusting hole 113 is closed by the cover 122, so that the top end of the shell 110 is smooth and has better hand feeling.

The cover 122 may further limit a rotation angle of the valve element 121, specifically, as shown in fig. 7, a limiting protrusion 125 is disposed on the cover 122, the limiting protrusion 125 is inserted into the limiting sliding groove 124, and the valve element 121 can rotate around its axis.

When the handwheel 123 controls the valve core 121 to rotate, the limiting protrusion 125 is fixed, and the relative position of the limiting protrusion 125 and the limiting chute 124 changes, so that the valve core 121 has two limit positions in rotation, and the valve core 121 is abutted against the limiting protrusion 125 when located at the limit positions. Referring to fig. 8 and 9, the states in fig. 8 and 9 can be switched by rotating the valve element 121, taking the orientation in fig. 8 and 9 as an example, the suction channel 111 extends in the direction perpendicular to the paper surface, the valve element 121 in fig. 8 is located at one of the extreme positions, the control through hole of the valve element 121 extends in the direction perpendicular to the paper surface, and the control through hole of the valve element 121 is parallel to or coincides with the suction channel 111, which means that the suction channel 111 is completely open; the spool 121 in fig. 9 is located at the other extreme position, the control through hole of the spool 121 extends in the left-right direction, and the control through hole of the spool 121 is perpendicular to the suction passage 111, representing that the suction passage 111 is completely opened. Of course, in other embodiments, it is also possible that the state in fig. 8 represents fully closed and the state in fig. 9 represents fully open.

The cooperation of the limiting protrusion 125 and the limiting sliding groove 124 facilitates the physician to know the state of the suction channel 111 timely and accurately, and the operation is simple and the control is precise.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve assembly, characterized by comprising a shell (110) and a control assembly (120), wherein the control assembly (120) comprises a hand wheel (123) for controlling the opening and closing of the valve assembly (11), the hand wheel (123) is arranged in the shell (110), and the outer edge of the hand wheel (123) protrudes from at least one side of the length direction of the shell (110).

2. A valve assembly according to claim 1, wherein the handwheel (123) extends through the housing (110) in the left-right direction and protrudes from the housing (110) on both sides.

3. A valve assembly according to claim 2, wherein the control assembly (120) further comprises a valve core (121), the housing (110) is provided with an adjusting hole (113), and the valve core (121) is rotatably embedded in the adjusting hole (113) and connected with the hand wheel (123).

4. A valve assembly according to claim 3, wherein the control assembly (120) further comprises a cap (122), the cap (122) being disposed at one end of the valve spool (121) and closing the top end of the regulating hole (113).

5. A valve assembly according to claim 4, wherein the cover (122) is provided with a limiting protrusion (125), one end of the valve core (121) is provided with a fan-shaped limiting sliding groove (124), and the limiting protrusion (125) is inserted into the limiting sliding groove (124) and limits the rotation angle of the valve core (121).

6. A valve assembly according to claim 3, wherein the valve core (121) is provided with a connecting groove (126), a connecting pin (127) is arranged in the connecting groove (126), the inner surface of the hand wheel (123) is provided with an axial through groove (128), and the connecting pin (127) is inserted in the axial through groove (128).

7. A valve assembly according to claim 3, wherein the valve core (121) is provided with a sealing groove (129) on the circumference, a sealing ring (130) is embedded in the sealing groove (129), and the sealing ring (130) is attached to the inner surface of the adjusting hole (113).

8. A valve assembly according to claim 1, wherein the top end of the housing (110) is provided with a recess (114), the recess (114) being adjacent to the control assembly (120) and the recess (114) being located behind the control assembly (120).

9. A valve assembly according to claim 1, wherein the handwheel (123) is provided with a plurality of screwing projections and a plurality of screwing recesses on the periphery, and the screwing projections and the screwing recesses are arranged crosswise.

10. Medical planing handle, characterized in that said medical planing handle (10) comprises a valve assembly (11) according to any of the claims 1 to 9.