CN213489129U - Curet - Google Patents

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a curette; the device comprises a spoon head, a spoon rod arranged on the spoon head and a spoon handle, wherein the spoon rod and the spoon handle are both of a hollow structure; a hand valve is further arranged between the key rod and the key handle and comprises a valve body, a pair of L-shaped grooves is symmetrically formed in the side wall of the top end of the valve body, a valve rod is arranged in the valve body, a spring is arranged at the bottom end of the valve rod, the other end of the spring is tightly attached to the inner cavity of the valve body, a button is further arranged at the top end of the valve rod, a stepped hole matched with the hand valve is formed in the button, and a pair of guide columns matched with the L-shaped grooves are further symmetrically arranged; one end of the spoon handle, which is far away from the pressure valve, is provided with an interface, and the interface is connected with an aspirator; the device solves the problem that the suction of dirt can not be controlled at any time in the operation process by arranging the aspirator and the button at the interface to be matched with the valve body for use.

Description

Curet

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to curet.

Background

In the medical treatment process, a treatment operation of scraping diseased tissues of a patient can be performed, the scraped diseased tissues are generally required to be cleaned in time in the scraping process, and therefore a curette capable of scraping and sucking scraped dirt in the operation process is generated; the existing curette is generally provided with a hollow curette structure, and one end of the curette is connected with a suction apparatus to suck out the scraped dirt; however, the existing curettes cannot control the suction of the filth at any time during the operation, and the medical staff is inconvenient to operate and very easy to bring pain to the patient during the operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a curette which can be used for curettage and suction at the same time and can control the suction of dirt at any time.

In order to solve the above problem, the technical scheme of the utility model is that:

a curet comprises a spoon head, a spoon rod arranged on the spoon head and a spoon handle, wherein the spoon rod and the spoon handle are both of a hollow structure; a hand valve is arranged between the key rod and the key handle and comprises a valve body, a pair of L-shaped grooves are symmetrically arranged on the side wall of the top end of the valve body, a liquid inlet and a liquid outlet are respectively arranged on the two sides of the valve body, the liquid inlet is detachably connected with the key rod, and the liquid outlet is detachably connected with the key handle; a valve rod is arranged in the valve body, a spring is arranged at the bottom end of the valve rod, and the other end of the spring is tightly attached to the inner cavity of the valve body; the top end of the valve rod is also provided with a button which is of a spherical structure, a cylindrical boss is arranged on the sphere, a stepped hole matched with the hand valve is arranged in the boss, and the inner wall of the stepped hole is also symmetrically provided with a pair of guide posts matched with the L-shaped groove; one end of the spoon handle, which is far away from the hand valve, is provided with a connector, and the connector is detachably connected with a suction apparatus.

Furthermore, three stages of stepped holes are arranged in the button, and a first mounting hole, a second mounting hole and a third mounting hole are sequentially arranged from outside to inside; the diameter of the first mounting hole is the largest and is in clearance fit with the top end of the valve body; the diameter of the second mounting hole is smaller than that of the first mounting hole, and the second mounting hole is in clearance fit with a sealing element arranged at the top end of the valve body; the diameter of the third mounting hole is smaller than that of the second mounting hole, and the third mounting hole is in interference fit with the valve rod; the guide posts are symmetrically arranged on the inner wall of the first mounting hole.

Further, the groove of the L-shaped groove at the lower part is obliquely arranged at an acute angle.

Furthermore, the spoon rod and the spoon handle are detachably connected with the hand valve through threads.

Furthermore, the port on the spoon handle far away from one end of the hand valve is in a round table shape, and the port is detachably connected with the suction apparatus in an inserting mode.

Furthermore, the spoon head is oval, and sharp teeth are arranged on the edge of the spoon head.

Furthermore, the spoon handle is evenly provided with anti-skid convex points.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the spoon rod and the spoon handle of the device are both hollow structures, and the hand valve is arranged between the spoon rod and the spoon handle to control the communication of the spoon rod and the channel in the spoon handle at any time, thereby achieving the purpose of sucking out the scraped lesion tissues and other dirt at any time according to the requirement; the button sets up to the spherical area of contact that can increase finger and button, can save strength and sense of touch better, and on the other hand controls the hand valve through the cooperation in guide pillar and L shape hole and makes it be in normally open or normally closed state, and is more simple and convenient during control.

(2) The first mounting hole and the second mounting hole are in clearance fit with the valve body, so that the friction resistance of the button during up-and-down movement can be reduced, and a good guiding effect on the up-and-down movement of the button is achieved; the valve rod and the third mounting hole are in interference fit, so that the stability of the relative connection relationship between the valve rod and the button can be guaranteed.

(3) The key rod and the key handle are detachably connected with the hand valve through threads, so that the installation is simple and convenient, and the connection relationship is reliable.

(4) The L-shaped groove is obliquely arranged at an acute angle upward, so that the horizontal displacement of the guide pillar in the groove below can be effectively limited, the on-off state of the hand valve is prevented from being changed by mistaken touch, and the reliability of the device is improved.

(5) The interface is connected with the suction apparatus in a plugging mode, and the installation is simple and convenient.

(6) The sharp teeth are arranged on the edge of the spoon head, so that a hard layer formed on the surface of the necrotic tissue can be conveniently punctured, and the scraping effect is better.

(7) The anti-skid salient points are uniformly arranged on the spoon handle, so that the friction between the hand and the spoon handle can be increased, and the anti-skid spoon has a good anti-skid effect.

Drawings

Fig. 1 is an overall schematic view of the present invention in embodiment 1;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a three-dimensional schematic view of a button in embodiment 1;

FIG. 4 is a cross-sectional view of the device when the button is pressed in embodiment 1;

FIG. 5 is a cross-sectional view of the device when the push button is released in embodiment 1;

fig. 6 is another form of the L-shaped groove in embodiment 2.

In the figure: the spoon head 1, the spoon rod 2, the valve body 3, the button 4, the spoon handle 5, the suction apparatus 6, the guide pillar 7, the spring 8, the valve rod 9 and the interface 10.

Detailed Description

In order to facilitate better understanding of the present invention for those skilled in the art, the present invention will be further explained with reference to the accompanying drawings.

Example 1

Referring to fig. 1-5, a curette comprises an elliptical spoon head 1, wherein the edge of one end of the spoon head 1 is provided with a sharp tooth, the other end of the spoon head is provided with a spoon rod 2, the spoon rod 2 is of a hollow structure and is communicated with the spoon head 1, and the other end of the spoon rod 2 is provided with an external thread; the spoon also comprises a spoon handle 5, the spoon handle 5 is also of a hollow structure, and a hand valve is arranged between the spoon handle 5 and the spoon rod 2; the hand valve comprises a valve body 3, wherein a pair of L-shaped grooves are symmetrically arranged on the side surface of the top end of the valve body 3, and the groove with the L-shaped groove positioned below is obliquely arranged upwards at an acute angle; a valve rod 9 is arranged in the valve body 3, a spring 8 is arranged at the bottom end of the valve rod 9, the other end of the spring 8 is tightly attached to an inner cavity of the valve body 3, the spring 8 is in a compressed state in an initial state, and the spring 8 acts on the bottom end of the valve rod 9 to push the other end of the valve rod 9 to extend out of the valve body 3; a liquid inlet in the horizontal direction is formed in one side of the valve body 3, an internal thread matched with the external thread at one end of the valve rod 2 is formed in the liquid inlet, and the key rod 2 is installed on one side of the valve body 3 through threads; the other side of the valve body 3 is provided with a liquid outlet in the horizontal direction, the liquid outlet and the axis of the liquid inlet are not in the same straight line, the liquid outlet is detachably connected with the spoon handle 5 through threads, hemispherical anti-skidding salient points are uniformly arranged on the outer surface of the spoon handle 5, one end, far away from the hand valve, of the spoon handle 5 is provided with a connector 10, the connector 10 is in a circular truncated cone shape, a hose is inserted in the connector 10, and the other end of the hose is connected with an aspirator 6.

The top end of the valve rod 9 is provided with a button 4, the button 4 is of a sphere structure, a cylindrical boss is arranged on the sphere, a stepped hole matched with the hand valve is arranged in the boss, and the stepped hole is a first mounting hole, a second mounting hole and a third mounting hole in sequence from outside to inside; the diameter of the first mounting hole is the largest and is in clearance fit with the top end of the valve body 3, a pair of guide posts 7 matched with the L-shaped grooves arranged on the valve body 3 are symmetrically arranged on the inner wall of the first mounting hole, and the guide posts 7 are all cylinders and are arranged horizontally; the diameter of the second mounting hole is smaller than that of the first mounting hole, and the second mounting hole is in clearance fit with a sealing element arranged at the top end of the valve body 3; the diameter of the third mounting hole is smaller than that of the second mounting hole, and the third mounting hole is in interference fit with the valve rod 9.

The utility model discloses a concrete working process does: the components are connected, the sharp teeth arranged at the position of the spoon head 1 pierce the hard layer on the surface of the skin to scrape the pathological tissue, the button 4 is pressed, the channel in the spoon rod 2 and the spoon handle 5 is communicated at the moment, the connector 10 is connected with the aspirator 6, the aspirator 6 is internally provided with negative pressure, and the negative pressure sucks the dirt gathered at the position of the spoon head 1 into the liquid collecting bottle; the button 4 is released, the channel in the spoon rod 2 and the spoon handle 5 is closed, and at the moment, the dirt is disconnected with the suction apparatus 6, so that the liquid collecting bottle can be conveniently replaced when the liquid collecting bottle is full in the operation, and the suction apparatus can be conveniently disconnected when the dirt does not need to be absorbed in the operation; when the channel in the key rod 2 and the key handle 5 is required to be in a through state for a long time, the button 4 is rotated only after the button 4 is pressed down, so that the guide post on the button 4 is positioned in the transverse groove of the L-shaped groove formed in the valve body 3, the hand valve at the moment can be in a normally open state all the time, the button 4 is only required to be rotated to return to the original position when the hand valve is required to be closed, and the operation is simple and convenient.

Example 2

Referring to fig. 6, the difference from embodiment 1 is only that, of the L-shaped grooves, the other end of the transverse groove located below is bent upward in a hook shape.

Claims (7)

1. A curet comprises a spoon head, a spoon rod arranged on the spoon head and a spoon handle, wherein the spoon rod and the spoon handle are both of a hollow structure; a valve rod is arranged in the valve body, a spring is arranged at the bottom end of the valve rod, and the other end of the spring is tightly attached to the inner cavity of the valve body; the top end of the valve rod is also provided with a button, the button is of a spherical structure, the sphere is provided with a boss, a stepped hole matched with the hand valve is arranged in the boss, and the inner wall of the stepped hole is also symmetrically provided with a pair of guide posts matched with the L-shaped groove; the end of the spoon handle far away from the hand valve is provided with a connector, and the connector is detachably connected with a suction apparatus.

2. The curette according to claim 1, wherein the stepped hole in the button is provided with three steps, namely a first mounting hole, a second mounting hole and a third mounting hole from outside to inside; the first mounting hole and the second mounting hole are in clearance fit with the valve body, and the third mounting hole is in interference fit with the valve rod; the guide post is a cylinder, the axis of the guide post is perpendicular to the axis of the first mounting hole, and the guide post is mounted on the inner wall of the first mounting hole.

3. A curette as claimed in claim 1, wherein the recess of said L-shaped groove below is inclined upwardly at an acute angle.

4. The curette of claim 1, wherein the spoon shaft and spoon handle are each removably connected to the hand valve by threads.

5. The curette according to claim 1, wherein the interface is in the shape of a truncated cone, and the interface is detachably connected with the suction apparatus in a plugging manner.

6. A curette as claimed in claim 1, wherein the spoon head edge is provided with pointed teeth.

7. The curette as recited in claim 1, wherein the spoon handle is uniformly provided with non-slip bumps.

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