Anti-infection smearing device for ultrasonic examination
The wedge-shaped rod and sliding block structure realizes the automatic clamping and release of the smear cotton during ultrasonic examination, solves the cross-infection problem caused by unclean cleaning of the smear head, and ensures the uniformity and safety of smearing.
Patent Information
- Application Number
- CN202422101103.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-08-28
AI Technical Summary
In existing ultrasound examinations, the applicator head of the applicator stick is not cleaned properly, which leads to bacterial growth and easily causes cross infection.
An anti-infection smear device for ultrasound examination was designed. The wedge-shaped rod and sliding block structure realizes the automatic clamping and release of the smear cotton to avoid contact with the coupling agent. Disposable smear cotton is used to ensure uniform application and prevent cross infection.
The replacement and cleaning of the smear cotton can be achieved without contacting the coupling agent, thus avoiding cross infection, improving the uniformity of smearing and the safety of patients.
Smart Images
Figure CN223311193U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of smear instruments, in particular to an infection-preventing smear device for ultrasonic examination. Background Art
[0002] Ultrasound examinations are widely used in clinical diagnosis due to their non-invasive, convenient, and real-time imaging capabilities. During ultrasound examinations, doctors apply a layer of coupling agent to the body surface to ensure effective ultrasound transmission and image clarity. Currently, medical staff apply coupling agent evenly to the patient's skin using the applicator tip of an applicator. However, if the applicator tip is not cleaned or wiped thoroughly, repeated use can easily lead to bacterial growth and cross-infection. Utility Model Content
[0003] The purpose of the utility model is to provide an infection-preventing smearing device for ultrasonic examination, which can better smear the coupling agent and avoid cross infection.
[0004] The infection-preventing smear device for ultrasonic examination includes an smear plate with a chamber provided inside, a hand-held tube provided on the top of the smear plate, an insertion rod installed in the hand-held tube, and a socket connected to the chamber inside the smear plate is provided on the top of the smear plate corresponding to the insertion rod. Two connecting rods are provided in the chamber of the smear plate, and a first spring is mounted on the connecting rod. One end of the first spring is fixed on the sliding block, and the other end is fixed to the inner wall of the chamber. A sliding block is provided at one end of the connecting rod, and the other end passes through the side wall of the smear plate and is connected to the clamping plate. The sliding block and the insertion rod are wedge-shaped.
[0005] Furthermore, the top of the insertion rod passes through the hand-held tube and is connected to a pressing plate, and a second spring sleeved on the insertion rod is provided between the pressing plate and the hand-held tube.
[0006] Furthermore, two fixed plates are vertically arranged on the top of the smear plate, and the handheld tube is hinged between the two fixed plates through a rotating shaft.
[0007] Furthermore, a groove is provided on the side wall of the clamping plate, and a telescopic rod connected to the side wall of the smear plate is provided in the groove.
[0008] Furthermore, a fixing groove connected to the groove is provided at the bottom of the clamping plate, and a plurality of protrusions are provided in the fixing groove.
[0009] Furthermore, the edge of the bottom end of the insertion rod is polished and smooth to form a chamfered shape.
[0010] Furthermore, the bottom of the clamping plate and the bottom of the smear plate are located on the same horizontal plane.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] The utility model moves the insertion rod downward so that its lower end extends into the chamber in the smear plate and cooperates with the two sliding blocks in a wedge shape, thereby pushing the sliding block to drive the connecting rod to move, prompting the two clamping plates to move away from each other, and bringing the bottom of the smear plate into contact with the smear cotton. The insertion rod is moved upward to release the squeezing of the two sliding blocks. Under the elastic force of the first spring, the connecting rod and the clamping plate are pushed closer to each other, and the clamping plate and the smear plate clamp the smear cotton, and the coupling agent is applied, which facilitates the replacement of the smear cotton and avoids cross infection. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model;
[0014] Figure 2 It is a three-dimensional diagram of the utility model;
[0015] Figure 3 This is an exploded view of the utility model;
[0016] The names of the components in the figure are: 1. Applicator plate; 2. Connecting rod; 3. First spring; 4. Fixed plate; 5. Hand-held tube; 6. Insert rod; 7. Second spring; 8. Pressing plate; 9. Sliding block; 10. Clamping plate; 11. Telescopic rod; 12. Bump. DETAILED DESCRIPTION
[0017] The present invention will be further described below through specific embodiments in conjunction with the accompanying drawings, but this does not limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
[0018] Example
[0019] The present embodiment describes an anti-infection smear device for ultrasonic examination, such as Figure 1 、 Figure 2 and Figure 3As shown, it includes an smear plate 1 with a chamber opened inside, the top of the smear plate 1 is provided with a hand-held cylinder 5, and a rod 6 is installed in the hand-held cylinder 5. A socket connected to the chamber in the smear plate 1 is opened at the top of the smear plate 1 corresponding to the rod 6. Two connecting rods 2 are provided in the chamber of the smear plate 1, and a first spring 3 is sleeved on the connecting rod 2. One end of the first spring 3 is fixed on the sliding block 9, and the other end is fixed to the inner wall of the chamber. A sliding block 9 is provided at one end of the connecting rod 2, and the other end passes through the side wall of the smear plate 1 and is connected to the clamping plate 10. The sliding block 9 and the rod 6 are wedge-shaped. The interior of the smear plate 1 is a hollow structure, and the chamber inside the smear plate 1 is connected to the socket on the top of the smear plate 1. The hand-held cylinder 5 is welded or glued to the socket on the top of the smear plate 1, and the rod 6 installed in the hand-held cylinder 5 corresponds to the socket up and down. The rod 6 is installed in the hand-held cylinder 5 can move up and down in the hand-held tube 5, and two slide grooves can be opened on the inner wall of the hand-held tube 5, and sliders are provided in the two slide grooves to slide with them up and down. The sliders are welded or glued to the side walls of the insertion rod 6. When the slide grooves and the sliders slide together, the insertion rod 6 moves in the hand-held tube 5, and also limits the movement range of the insertion rod 6 to prevent the insertion rod 6 from moving out of the hand-held tube 5. Two connecting rods 2 are provided in the chamber of the smear plate 1, wherein the right end of the left connecting rod 2 is welded or glued with a sliding block 9, and the left end of the right connecting rod 2 is welded or glued with another sliding block 9. The two sliding blocks 9 slide left and right in the chamber of the smear plate 1; through holes are opened on the left and right side walls of the smear plate 1, wherein the left end of the left connecting rod 2 passes through the through hole to extend out of the left side of the smear plate 1 and is connected to a clamping plate 10, and the right end of the right connecting rod 2 passes through and extends out of the right side of the smear plate 1 and is connected to the clamping plate 10;
[0020] The two connecting rods 2 are both equipped with a first spring 3, wherein the left end of the left first spring 3 is welded to the left inner wall of the chamber, and the right end is welded to the left wall of the left sliding block 9; the left end of the right first spring 3 is welded to the right wall of the right sliding block 9, and the right end of the right first spring 3 is welded to the right inner wall of the chamber; the mutually corresponding surfaces of the two sliding blocks 9 are inclined surfaces, and the two inclined surfaces correspond to each other, wherein the right side wall of the left sliding block 9 is inclined, and the left side wall of the right sliding block 9 is inclined; the inclined surface of the sliding block 9 is wedge-shaped with the bottom end of the insertion rod 6;
[0021] When in use, place the smear cotton on a flat surface. The smear cotton includes a smear layer. The smear layer can be made of pure cotton or non-woven fabric. It is soft and comfortable, and improves the patient's comfort when in contact with the patient's skin. A film is provided above the smear layer. The film is made of expanded polytetrafluoroethylene material, which can block the entry of moisture and other substances, and block the coupling agent to prevent the coupling agent from penetrating into the smear layer and adhering to the bottom of the smear plate 1 and the clamping plate 10. The film is adhered to the top of the smear layer, and the clamping plate 10 and the bottom of the smear plate 1 are in contact with the film. The smear layer and the coupling agent The smear cotton is clamped by the clamping plate 10 and the smear plate 1, and the coupling agent is applied by the smear layer of the smear cotton. The film is in contact with the clamping plate 10 and the smear plate 1 to isolate the coupling agent and prevent the coupling agent from adhering to the smear plate 1 and the clamping plate 10, ensuring that the clamping plate 10 and the smear plate 1 are clean and avoid bacterial infection caused by residual coupling agent. During use, the smear plate 1 and the clamping plate 10 also need to be cleaned regularly to further ensure that the smear plate 1 and the clamping plate 10 are clean and avoid the possibility of cross infection as much as possible.
[0022] After the rod 6 releases the wedge-shaped fit between the two sliding blocks 9, under the elastic force of the first spring 3, the first spring 3 pushes the two sliding blocks 9 closer to each other, and the sliding block 9 moves to drive the connecting rod 2 to move, thereby driving the two clamping plates 10 to move relative to each other. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10 and the smearing plate 1. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10 and the smearing plate 1. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10 and the smearing plate 1. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10. When the smearing agent is applied to the skin, the clamping plate 10 is pressed against the smearing plate 1, and the smearing agent is applied to the skin by the clamping plate 10.
[0023] like Figure 1 、 Figure 2 and Figure 3 When the handle 5 is lifted up, the second spring 7 is pressed against the handle 5, and the second spring 7 is pressed against the handle 5, so that the handle 5 can be lifted up and the second spring 7 is pressed against the handle 5.
[0024] like Figure 1 、 Figure 2 and Figure 3 As shown, two fixed plates 4 are vertically arranged on the top of the smear plate 1, and the hand-held cylinder 5 is hinged between the two fixed plates 4 through a rotating shaft. Two fixed plates 4 are welded or glued to the top of the smear plate 1, and mounting holes are opened between the two fixed plates 4. Bearings are installed in the mounting holes, and the outer rings of the bearings are welded to the inner walls of the mounting holes. The inner rings of the bearings are welded with rotating shafts, and the inner ends of the rotating shafts are welded or glued to the side walls of the insertion rods 6. The rotating shafts are rotated between the two fixed plates 4 through the bearings, thereby driving the hand-held cylinder 5 to rotate between the two fixed plates 4. The hand-held cylinder 5 is rotatably connected to the smear plate 1. When the medical staff holds the hand-held cylinder 5, the direction of the smear plate 1 can be rotated, so that the smear plate 1 is rotated to a certain angle, which can better apply the coupling agent.
[0025] like Figure 1 and Figure 3 As shown, a groove is provided on the side wall of the clamping plate 10, and a telescopic rod 11 connected to the side wall of the smear plate 1 is provided in the groove, wherein the right side wall of the left clamping plate 10 is provided with a groove, and the left side wall of the right clamping plate 10 is provided with a groove, and the end of the connecting rod 2 is welded or glued to the inner wall of the groove, and a telescopic rod 11 is provided on the front and rear sides of the connecting rod 2, and the telescopic rod 11 includes a hollow round rod, a solid rod is inserted into the hollow round rod, one end of the solid rod is inserted into the hollow round rod, and the other end is welded to the inner wall of the groove; the end of the hollow round rod is welded to the side wall of the smear plate 1, and the telescopic rod 11 makes the movement of the clamping plate 10 smoother and more stable, enhances the stability between the two, and can better clamp the smear cotton;
[0026] like Figure 1 、 Figure 2 and Figure 3As shown, a fixing groove connected to the groove is provided at the bottom of the clamping plate 10, and a plurality of protrusions 12 are provided in the fixing groove. A fixing groove is provided at the bottom of the clamping plate 10, and the fixing groove extends through the front and rear side walls of the clamping plate 10. A plurality of protrusions 12 are welded or glued to the side walls of the fixing groove. When the clamping plate 10 moves toward the smear plate 1, the plurality of protrusions 12 in the fixing groove can clamp the smear cotton, increase the friction between the clamping plate 10 and the smear cotton, better clamp the smear cotton, and ensure its clamping stability; and the edges of the protrusions 12 are polished and smooth to avoid overly sharp edges from scratching the smear cotton, thereby ensuring its integrity while clamping the smear cotton;
[0027] like Figure 1 、 Figure 2 and Figure 3 As shown, the edge of the bottom of the insertion rod 6 is polished and chamfered, and the edge of the bottom end of the insertion rod 6 is rounded. When the rounded edge is wedge-shaped with the inclined surface of the sliding block 9, the friction when in contact with the inclined surface of the sliding block 9 can be reduced, thereby reducing wear and extending the service life; and the smooth edge is also convenient for cleaning, avoiding sanitary dead corners as much as possible;
[0028] like Figure 1 、 Figure 2 and Figure 3 As shown, the bottom of the clamping plate 10 and the bottom of the smear plate 1 are located at the same horizontal plane. When the bottom of the smear plate 1 contacts the smear cotton, the bottom of the clamping plate 10 also contacts the smear cotton. When the clamping plate 10 moves, the smear cotton pushes the protrusion, thereby clamping the protrusion and making the clamping more stable. The coupling agent is applied by the smear cotton to prevent the patient from being infected.
[0029] When the smear plate 1 is in the state of being applied, the smear plate 1 is in the state of being applied, and the smear plate 1 is in the state of being applied.
Claims
1. An anti-infection smear device for ultrasonic examination, comprising a smear plate (1) with a chamber formed therein, characterized in that: The top of the smear plate (1) is provided with a hand-held tube (5), and an insertion rod (6) is installed in the hand-held tube (5). A socket connected to the chamber in the smear plate (1) is opened at the top of the smear plate (1) corresponding to the insertion rod (6). Two connecting rods (2) are provided in the chamber of the smear plate (1). A first spring (3) is sleeved on the connecting rod (2). One end of the first spring (3) is fixed on the sliding block (9), and the other end is fixed on the inner wall of the chamber. A sliding block (9) is provided at one end of the connecting rod (2), and the other end passes through the side wall of the smear plate (1) and is connected to a clamping plate (10). The sliding block (9) and the insertion rod (6) are wedge-shaped.
2. The infection-preventing smear device for ultrasonic examination according to claim 1, characterized in that: The top of the insertion rod (6) passes through the hand-held tube (5) and is connected to a pressing plate (8). A second spring (7) sleeved on the insertion rod (6) is provided between the pressing plate (8) and the hand-held tube (5).
3. The anti-infection smear device for ultrasonic examination according to claim 1, characterized in that: Two fixed plates (4) are vertically arranged on the top of the smear plate (1), and the hand-held cylinder (5) is hinged between the two fixed plates (4) via a rotating shaft.
4. The infection-preventing smear device for ultrasonic examination according to claim 1, characterized in that: The side wall of the clamping plate (10) is provided with a groove, and a telescopic rod (11) connected to the side wall of the smear plate (1) is provided in the groove.
5. The infection-preventing smear device for ultrasonic examination according to claim 4, characterized in that: The bottom of the clamping plate (10) is provided with a fixing groove connected to the groove, and a plurality of protrusions (12) are arranged in the fixing groove.
6. The infection-preventing smear device for ultrasonic examination according to claim 1, characterized in that: The edge of the bottom end of the inserting rod (6) is polished and smooth to form a chamfered shape.
7. The infection-preventing smear device for ultrasonic examination according to claim 1, characterized in that: The bottom of the clamping plate (10) and the bottom of the smear plate (1) are located on the same horizontal plane.