Injection treatment device with controllable needle insertion depth

Abstract

The utility model discloses an injection treatment device with controllable needle insertion depth, which relates to the field of medical instruments and comprises a shell, a height adjusting device and an injection device, the shell is provided with a cavity with an opening at the bottom, and the bottom of the shell is abutted against the skin; the height adjusting device comprises a lifting support and a stopping assembly, the lifting support is arranged in the cavity in a sliding mode, the stopping assembly comprises a stopping piece, the stopping piece is located below the side portion of the lifting support, the stopping piece is used for stopping the lifting support from descending, and the stopping piece can move upwards or downwards so that the descending distance of the lifting support can be changed; the injection device is located in the cavity, the injection device is connected to the lower portion of the lifting support, the injection device comprises an injection needle, and the injection needle is arranged towards the bottom opening of the cavity. The utility model aims to enable the injection depth of the injection needle to be controllable.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to an injection treatment device with controllable needle insertion depth. Background Art

[0002] A keloid is an abnormal scar tissue with excessive growth caused by skin wound healing or unknown reasons. Currently, an injection treatment plan is generally adopted for keloids. During the injection treatment process, a doctor inserts an injection needle into the scar tissue of a patient to inject a medicinal solution. In order to ensure the effect of the injection treatment, the doctor will inject the medicinal solution at different positions of the scar tissue of the patient.

[0003] During this process, since the doctor needs to perform multiple needle insertion operations, and the optimal injection depths for different patients are not the same, the doctor may, due to operational errors, insert the needle too deeply, and the needle will penetrate through the scar tissue, resulting in the medicinal solution not being smoothly injected into the scar tissue, affecting the treatment effect. Summary of the Utility Model

[0004] The main purpose of the utility model is to propose an injection treatment device with controllable needle insertion depth, aiming to control the injection depth of the injection needle.

[0005] To achieve the above purpose, the injection treatment device with controllable needle insertion depth proposed by the utility model includes:

[0006] A housing, the housing is provided with a cavity with an opening at the bottom, and the bottom of the housing abuts against the skin;

[0007] A height adjustment device, the height adjustment device includes a lifting bracket and a stop assembly. The lifting bracket is slidably arranged in the cavity. The stop assembly includes a stop member. The stop member is located below the side of the lifting bracket. The stop member is used to stop the lifting bracket from descending. The stop member can move up or down to change the available descending distance of the lifting bracket;

[0008] An injection device, the injection device is located in the cavity. The injection device is connected below the lifting bracket. The injection device includes an injection needle, and the injection needle is arranged towards the opening at the bottom of the cavity.

[0009] In an embodiment, the lifting bracket includes a top plate and a connecting frame. The top plate is slidably arranged on the inner wall surface of the cavity. The connecting frame is arranged at the bottom of the top plate and extends downward. The connecting frame is used to connect the top plate and the injection device.

[0010] In one embodiment, the cavity is cylindrical, the top plate is a circular plate, the connecting frame is an annular ring, the radius of the top plate is greater than the radius of the connecting frame, the shape of the stopper is an annular ring, the inner ring radius of the stopper is greater than the radius of the connecting frame, the inner ring radius of the stopper is less than the radius of the top plate, and the stopper is arranged around the connecting frame.

[0011] In one embodiment, a sliding groove is formed on the inner side wall of the cavity, a sliding portion protrudes from the side of the stopper, the sliding portion is arranged to slide up and down in the sliding groove, a threaded hole is formed in the sliding portion, a through hole communicating with the sliding groove is formed in the top edge of the housing, the stopper assembly further includes a screw rod, the screw rod passes through the through hole and the threaded hole of the sliding portion, and the rotation of the screw rod drives the sliding portion to move up or down.

[0012] In one embodiment, the stopper assembly further includes a knob, and the knob is arranged on the top of the screw rod.

[0013] In one embodiment, anti-slip threads are provided on the outer side wall of the knob.

[0014] In one embodiment, a through opening communicating with the cavity is formed at the top of the housing, a button is arranged on the top of the top plate, and the button protrudes through the through opening.

[0015] In one embodiment, the button includes a connecting portion and a pressing portion, the connecting portion is connected to the top plate, the pressing portion is located at the top of the connecting portion, and the pressing portion is in an umbrella shape structure.

[0016] In one embodiment, the injection device further includes:

[0017] A liquid storage barrel having a liquid storage cavity, and the injection needle is communicated with the liquid storage cavity;

[0018] A pressing plate located in the liquid storage cavity;

[0019] A driving member located at the top of the liquid storage barrel, and the driving member is used to drive the pressing plate to press downward so that the liquid medicine is injected by the injection needle.

[0020] In the technical solution provided by the present utility model, the height adjustment device includes a lifting bracket and a stop assembly. The stop assembly includes a stop member, which is used to stop the lifting bracket. The height of the stop member can be adjusted. Connect the injection device to the lifting bracket, press the lifting bracket to move the injection device downward so that the injection needle penetrates into the scar tissue of the patient. By adjusting the height of the stop member, the available descending distance of the lifting bracket changes, so that the penetration depth of the injection needle changes. When facing a patient, without adjusting the height of the stop member, just press the lifting bracket to the bottom to ensure that the penetration depth is consistent and ensure that the liquid medicine can be smoothly injected into the scar tissue.

[0021] When treating another patient, according to the protruding height of the keloid of the patient, adjust the height of the stop member to adjust the available descending height of the lifting bracket and the injection device, so as to adjust the penetration depth of the injection needle and improve the applicability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0023] Figure 1 It is a three-dimensional structure schematic diagram of an embodiment of the injection treatment device with controllable needle penetration depth provided by the present utility model;

[0024] Figure 2 It is an exploded structure schematic diagram of an embodiment of the injection treatment device with controllable needle penetration depth provided by the present utility model;

[0025] Figure 3 It is a sectional structure schematic diagram of an embodiment of the injection treatment device with controllable needle penetration depth provided by the present utility model.

[0026] Explanation of the reference numerals in the drawings:

[0027] 1000, injection treatment device with controllable needle penetration depth; 1, outer shell; 11, chute; 2, height adjustment device; 21, lifting bracket; 211, top plate; 212, connecting frame; 213, button; 22, stop assembly; 221, stop member; 222, sliding part; 223, screw; 224, knob; 3, injection device; 31, driving member; 32, liquid storage barrel; 33, extrusion plate; 34, injection needle.

[0028] The realization of the purpose, functional features and advantages of the present utility model will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0030] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if there are descriptions such as "first" and "second" involved in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0032] In the prior art, when a doctor performs multiple needle insertion operations, it is impossible to ensure that the injection depth is the same each time, and it is impossible to inject the liquid medicine of each needle to the optimal injection depth of the scar tissue, which may affect the treatment effect.

[0033] To solve this technical problem, the present utility model provides an injection treatment device 1000 with controllable needle insertion depth, so that the injection depth of each needle in the injection treatment is the same to solve the above problems.

[0034] Please refer to Figures 1 to 3 , the injection treatment device 1000 with controllable needle insertion depth includes:

[0035] A housing 1, the housing 1 is provided with a cavity with an open bottom, and the bottom of the housing 1 abuts against the skin;

[0036] The height adjustment device 2, the height adjustment device 2 includes a lifting bracket 21 and a stop assembly 22. The lifting bracket 21 is slidably disposed in the cavity. The stop assembly 22 includes a stop member 221. The stop member 221 is located below the side of the lifting bracket 21. The stop member 221 is used to stop the downward movement of the lifting bracket 21. The stop member 221 can move upward or downward to change the available downward distance of the lifting bracket 21;

[0037] The injection device 3, the injection device 3 is located in the cavity. The injection device 3 is connected below the lifting bracket 21. The injection device 3 includes an injection needle, and the injection needle is arranged to open towards the bottom of the cavity.

[0038] The height adjustment device 2 includes a lifting bracket 21 and a stop assembly 22. The stop assembly 22 includes a stop member 221. The stop member 221 is used to stop the lifting bracket 21. The height of the stop member 221 can be adjusted. Connect the injection device 3 to the lifting bracket 21. Press the lifting bracket 21 to move the injection device 3 downward so that the injection needle penetrates into the scar tissue of the patient. By adjusting the height of the stop member 221, the available downward distance of the lifting bracket 21 is changed, so that the penetration depth of the injection needle is changed. When facing a patient, the height of the stop member 221 does not need to be adjusted. Just press the lifting bracket 21 to the bottom to ensure that the penetration depth is consistent and ensure that the medicinal liquid can be smoothly injected into the scar tissue. When treating another patient, according to the raised height of the keloid of the patient, adjust the height of the stop member 221 to adjust the available downward height of the lifting bracket 21 and the injection device 3, so as to adjust the penetration depth of the injection needle and improve the applicability of the product.

[0039] Please refer to Figure 3 , in an embodiment of the present invention, the injection device 3 includes a liquid storage barrel 32, a driving member 31, and a pressing plate 33. The liquid storage barrel 32 has a liquid storage cavity. The injection needle communicates with the liquid storage cavity. The pressing plate 33 is located in the liquid storage cavity. The driving member 31 is located at the top of the liquid storage barrel 32. The driving member 31 is used to drive the pressing plate 33 downward to squeeze, so that the pressing plate 33 extrudes the medicinal liquid in the liquid storage barrel 32 through the injection needle. Using the automatic injection method, the injection speed and injection stability are relatively high.

[0040] In an embodiment of the present invention, the injection device 3 is provided with a liquid storage barrel 32, a pressing plate 33, and a manual pressing rod. The pressing plate 33 is located in the liquid storage barrel 32. The manual pressing rod is connected to the pressing plate 33. After the injection needle penetrates into the scar tissue, the doctor presses the manual pressing rod to complete the injection. Using the manual injection method, it is convenient to control the injection rate of the medicinal liquid and can be quickly adjusted according to the patient's tolerance.

[0041] In a technical solution of this embodiment, the injection needle is a microneedle. The diameter of the microneedle is 0.2 mm to 0.5 mm. The number of microneedles is multiple. The multiple microneedles are inserted into the scar tissue to achieve injection, and the pain felt by the patient is relatively small.

[0042] Please refer to Figure 2 and Figure 3 In an embodiment of the present utility model, the lifting bracket 21 includes a top plate 211 and a connecting frame 212. The top plate 211 is slidably arranged on the inner wall surface of the cavity. The connecting frame 212 is arranged at the bottom of the top plate 211 and extends downward. The connecting frame 212 is used to connect the top plate 211 and the injection device 3. By slidably connecting the top plate 211 with the inner wall surface of the cavity, during the pressing process, on the premise of ensuring the smooth connection of the injection device 3, the stability of the top plate 211 and the entire lifting bracket 21 is preferably ensured.

[0043] Among them, the cavity is cylindrical, the top plate 211 is a circular plate, the connecting frame 212 is an annular ring. The radius of the top plate 211 is greater than the radius of the connecting frame 212. The shape of the stopper 221 is an annular ring. The inner ring radius of the stopper 221 is greater than the radius of the connecting frame 212, and the inner ring radius of the stopper 221 is less than the radius of the top plate 211. The stopper 221 is arranged around the connecting frame 212. By setting the cavity, the top plate 211, and the connecting frame 212 as circular structures, the whole is relatively beautiful. At the same time, since the stopper 221 is arranged around the connecting frame 212 and the stopper 221 is exactly below the edge of the top plate 211, the top plate 211 can be smoothly blocked, and space is provided for the injection device 3 below.

[0044] Please refer to Figure 3 In an embodiment of the present utility model, a sliding groove 11 is opened on the inner side wall of the cavity. A sliding part 222 protrudes from the side of the stopper 221. The sliding part 222 is slidably arranged up and down in the sliding groove 11. A threaded hole is opened in the sliding part 222. A through hole communicating with the sliding groove 11 is opened at the top edge of the outer shell 1. The stopper assembly 22 further includes a screw 223. The screw 223 passes through the through hole and the threaded hole of the sliding part 222. The rotation of the screw 223 drives the sliding part 222 to move up or down. By slidably arranging the sliding part 222 in the sliding groove 11, it is ensured that the stopper 221 can slide along the side wall of the cavity, improving the stability of the sliding. And a threaded hole is opened in the sliding part 222, and the screw 223 is used to control the rising and falling of the stopper 221 to control the descendable distance of the lifting bracket 21 and the insertion depth of the injection needle in the injection device 3.

[0045] Among them, the stopper assembly 22 further includes a knob 224. The knob 224 is arranged at the top of the screw 223. The setting of the knob 224 facilitates the operation of the user. Anti-slip lines are provided on the outer side wall of the knob 224. The anti-slip lines play an anti-slip role and improve the practicality of the product.

[0046] Please refer to Figure 2 and Figure 3 In an embodiment of the present utility model, an opening communicating with the cavity is provided at the top of the outer shell 1, and a button 213 is provided on the top of the top plate 211. The button 213 protrudes through the opening. The button 213 protruding from the top of the outer shell 1 facilitates the user to press the lifting bracket 21 and improves the practicality of the product.

[0047] Among them, the button 213 includes a connecting portion and a pressing portion. The connecting portion is connected to the top plate 211, and the pressing portion is located at the top of the connecting portion. The pressing portion is in an umbrella shape. With such a setting, when the user presses the pressing portion of the umbrella shape, the hand feeling is better.

[0048] The above is only an exemplary embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. An injection treatment device with controllable needle insertion depth, characterized in that, The injection treatment device with controllable needle insertion depth includes: A housing, which has a cavity with an opening at the bottom, and the bottom of the housing abuts against the skin; A height adjustment device, which includes a lifting bracket and a stop assembly. The lifting bracket is slidably arranged in the cavity. The stop assembly includes a stop member, which is located below the side of the lifting bracket. The stop member is used to stop the lifting bracket from descending, and the stop member can move up or down to change the available descending distance of the lifting bracket; An injection device, which is located in the cavity. The injection device is connected below the lifting bracket. The injection device includes an injection needle, and the injection needle is arranged towards the bottom opening of the cavity.

2. The injection treatment device with controllable needle insertion depth according to claim 1, characterized in that The lifting bracket includes a top plate and a connecting frame. The top plate is slidably arranged on the inner wall surface of the cavity. The connecting frame is arranged at the bottom of the top plate and extends downward. The connecting frame is used to connect the top plate and the injection device.

3. The injection treatment device with controllable needle insertion depth according to claim 2, wherein The cavity is cylindrical, the top plate is a circular plate, the connecting frame is a circular ring, the radius of the top plate is larger than the radius of the connecting frame, the shape of the stop member is a circular ring, the inner ring radius of the stop member is larger than the radius of the connecting frame, the inner ring radius of the stop member is smaller than the radius of the top plate, and the stop member surrounds the connecting frame.

4. The injection treatment device with controllable needle insertion depth according to claim 3, characterized in that, A chute is opened on the inner side wall of the cavity. A sliding portion protrudes from the side of the stop member, and the sliding portion is slidably arranged up and down in the chute. A threaded hole is opened in the sliding portion. A through hole communicating with the chute is opened at the top edge of the housing. The stop assembly further includes a screw rod, and the screw rod passes through the through hole and the threaded hole of the sliding portion. The rotation of the screw rod drives the sliding portion to move up or down.

5. The injection treatment device with controllable needle insertion depth according to claim 4, characterized in that, The stop assembly further includes a knob, and the knob is arranged at the top of the screw rod.

6. The injection treatment device with controllable needle insertion depth according to claim 5, characterized in that, The outer side wall of the knob is provided with anti-slip threads.

7. The injection treatment device with controllable needle insertion depth according to claim 2, wherein An access opening communicating with the cavity is opened at the top of the housing. A button is arranged at the top of the top plate, and the button protrudes through the access opening.

8. The injection treatment device with controllable needle insertion depth according to claim 7, characterized in that, The button includes a connecting portion and a pressing portion. The connecting portion connects the top plate, and the pressing portion is located at the top of the connecting portion. The pressing portion is in an umbrella shape.

9. The injection treatment device with controllable needle insertion depth according to claim 1, characterized in that, The injection device further includes: A liquid storage barrel, which has a liquid storage cavity, and the injection needle communicates with the liquid storage cavity; A pressing plate, which is located in the liquid storage cavity; A driving member, which is located at the top of the liquid storage barrel. The driving member is used to drive the pressing plate to press downward, so that the liquid medicine is injected by the injection needle.

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