Anti-stabbing and anti-skin-injury medicine dispensing device

Abstract

The utility model discloses an anti-stabbing and anti-skin-injury medicine dispensing device which comprises a main body, a first movable bolt and an adjusting structure, wherein the first movable bolt and the adjusting structure are arranged on the main body; a first dosing tube and a second dosing tube are respectively arranged at two ends of the main body; the first movable bolt can slide relative to the main body, and a medicine dispensing through hole is formed in the first movable bolt and used for communicating the first medicine feeding pipe with the second medicine feeding pipe; the main body is further provided with an external port, and the adjusting structure has a first state for communicating the first dosing tube with the external port and a second state for communicating the second dosing tube with the external port. The first dosing tube, the dosing through hole and the second dosing tube are used for communicating the medicine bottle and the solvent bottle, an injector is replaced for dosing, the risk of stabbing an operator can be effectively reduced, and in the dosing process, the medicine is not prone to flowing out, and the skin of the operator is not prone to being harmed. An operator can adjust the medicine amount in the medicine bottle or the solvent amount in the solvent bottle through the adjusting structure and the external port to achieve accurate matching.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a puncture-proof and skin-injury-proof medicine dispensing device. Background Art

[0002] In the medical field, some patients require pre-mixing medication with a solvent such as saline before administering an infusion. Currently, this involves using a syringe to draw a fixed amount of medication and then injecting it into a bottle of saline. Unskilled operators can be punctured by the syringe needle. If the medication is harmful, improper handling can lead to burns. Therefore, it's necessary to develop a medication dispensing device that resists both punctures and skin injuries. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a puncture-proof and skin-injury-proof medicine dispensing device.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a puncture-proof and injury-proof skin dispensing device, comprising a main body and a first movable plug and an adjustment structure provided on the main body; a first dosing tube and a second dosing tube are respectively provided at both ends of the main body; the first movable plug is slidable relative to the main body, and a dispensing through hole is provided on the first movable plug, and the dispensing through hole is used to connect the first dosing tube and the second dosing tube; an external port is also provided on the main body, and the adjustment structure has a first state of connecting the first dosing tube and the external port and a second state of connecting the second dosing tube and the external port.

[0005] Furthermore, a first protrusion and a first recess cooperating with the protrusion are respectively provided on the contact surfaces of the first movable bolt and the main body.

[0006] Furthermore, the regulating structure includes a first gas-liquid pipeline, a second gas-liquid pipeline, a third gas-liquid pipeline and a second movable plug, the first gas-liquid pipeline is connected to the first gas-liquid pipeline, the second gas-liquid pipeline is connected to the second gas-liquid pipeline, the third gas-liquid pipeline is connected to the external port, and the second movable plug is installed on the main body and is movable relative to the main body; when the regulating structure is in a first state, the second movable plug is connected to the first gas-liquid pipeline and the third gas-liquid pipeline; when the regulating structure is in a second state, the second movable plug is connected to the second gas-liquid pipeline and the third gas-liquid pipeline.

[0007] Furthermore, the second movable bolt can be slidably installed on the main body, and the second movable bolt is provided with a first gas-liquid through hole and a second gas-liquid through hole; when the adjustment structure is in a first state, the first gas-liquid through hole connects the first gas-liquid pipeline and the third gas-liquid pipeline; when the adjustment structure is in a second state, the second gas-liquid through hole connects the second gas-liquid pipeline and the third gas-liquid pipeline.

[0008] Furthermore, a second protrusion and a second recess cooperating with the protrusion are respectively provided on the contact surfaces of the second movable bolt and the main body.

[0009] Furthermore, the main body is provided with a negative pressure regulating port and an opening and closing member, the negative pressure regulating port is connected to the third gas-liquid pipeline, and the opening and closing member is used to open and close the negative pressure regulating port.

[0010] Furthermore, it also includes a negative pressure ball, which is detachably connected to the negative pressure regulating port.

[0011] Furthermore, an infusion set is provided at one end of the first drug delivery tube away from the second drug delivery tube, or an infusion set is provided at one end of the second drug delivery tube away from the first drug delivery tube.

[0012] Furthermore, the first drug delivery tube has a pointed puncture portion at one end away from the second drug delivery tube, or the second drug delivery tube has a pointed puncture portion at one end away from the first drug delivery tube.

[0013] Furthermore, a heparin cap is provided at the external port.

[0014] The beneficial effects of the present invention are as follows: the puncture-proof and skin-injury-resistant medication dispensing device utilizes a first medication dispensing tube, a medication dispensing through-hole, and a second medication dispensing tube to connect a medication bottle and a solvent bottle, replacing a syringe for medication dispensing. This effectively reduces the risk of puncture injuries to the operator, and during the dispensing process, medication is less likely to leak out, thus minimizing harm to the operator's skin. The operator can adjust the amount of medication in the medication bottle or the amount of solvent in the solvent bottle via an adjustment structure and an external port to achieve a precise dispensing ratio. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the anti-stab and anti-injury skin dispensing device according to the first embodiment of the present invention (the adjustment structure is in the first state);

[0016] Figure 2 for Figure 1 A magnified view of the details of part A;

[0017] Figure 3 This is a structural diagram of the anti-stab and anti-injury skin dispensing device according to the first embodiment of the present invention (the adjustment structure is in the second state);

[0018] Figure 4 for Figure 3 A magnified view of the details of part B;

[0019] Figure 5 This is a structural diagram of the anti-puncture and anti-injury skin dispensing device according to the first embodiment of the present invention (the dispensing through hole is connected to the first dosing tube and the second dosing tube).

[0020] Description of labels:

[0021] 1. Main body; 11. First drug delivery tube; 12. Second drug delivery tube; 13. External connection port; 14. First protrusion; 15. Second protrusion; 16. Negative pressure adjustment port; 17. Opening and closing member;

[0022] 2. First movable bolt; 21. Dispensing hole; 22. First recess;

[0023] 31. First gas-liquid pipeline; 32. Second gas-liquid pipeline; 33. Third gas-liquid pipeline; 34. Second movable plug; 341. First gas-liquid through hole; 342. Second gas-liquid through hole; 343. Second pit;

[0024] 4. Negative pressure ball;

[0025] 5. Pointed puncture part;

[0026] 6. Heparin cap. DETAILED DESCRIPTION

[0027] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0028] Please refer to Figures 1 to 5 , a stab-proof and wound-proof skin dispensing device, comprising a main body 1 and a first movable plug 2 and an adjustment structure provided on the main body 1; a first drug delivery tube 11 and a second drug delivery tube 12 are provided at both ends of the main body 1; the first movable plug 2 is slidable relative to the main body 1, and a drug dispensing through hole 21 is provided on the first movable plug 2, and the drug dispensing through hole 21 is used to connect the first drug delivery tube 11 and the second drug delivery tube 12; the main body 1 is also provided with an external port 13, and the adjustment structure has a first state (such as a state in which the first drug delivery tube 11 and the external port 13 are connected) in which the first drug delivery tube 11 and the external port 13 are connected. Figure 1 and Figure 2 As shown) and a second state in which the second drug delivery tube 12 and the external connection port 13 are connected.

[0029] As can be seen from the above description, the beneficial effects of the present invention are as follows: the present stab-proof and skin-injury-resistant dispensing device utilizes the first dispensing tube 11, dispensing hole 21, and second dispensing tube 12 to connect the drug bottle and solvent bottle, replacing the need for syringes for dispensing. This effectively reduces the risk of puncture injuries to the operator, and during the dispensing process, the drug is less likely to leak out, thus minimizing harm to the operator's skin. The operator can adjust the amount of drug in the drug bottle or the amount of solvent in the solvent bottle via the adjustment structure and external port 13 to achieve precise dispensing ratios.

[0030] Furthermore, a first protrusion 14 and a first recess 22 cooperating with the protrusion are respectively provided on the contact surfaces of the first movable bolt 2 and the main body 1 .

[0031] From the above description, it can be seen that the first protrusion 14 and the first pit 22 cooperate to limit the relative position of the first movable plug 2 and the main body 1, thereby preventing the first movable plug 2 from accidentally sliding relative to the main body 1 and causing accidental connection or disconnection of the first dosing tube 11 and the second dosing tube 12.

[0032] Furthermore, the regulating structure includes a first gas-liquid pipeline 31, a second gas-liquid pipeline 32, a third gas-liquid pipeline 33 and a second movable plug 34, the first gas-liquid pipeline 31 is connected to the first drug delivery tube 11, the second gas-liquid pipeline 32 is connected to the second drug delivery tube 12, the third gas-liquid pipeline 33 is connected to the external port 13, and the second movable plug 34 is installed on the main body 1 and is movable relative to the main body 1; when the regulating structure is in the first state, the second movable plug 34 is connected to the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33; when the regulating structure is in the second state, the second movable plug 34 is connected to the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33.

[0033] As can be seen from the above description, the state of the adjustment structure can be changed by driving the second movable bolt 34 to move relative to the main body 1 so that the first medication tube 11 is connected to the external port 13 or the second medication tube 12 is connected to the external port 13 .

[0034] Furthermore, the second movable bolt 34 can be slidably installed on the main body 1, and a first gas-liquid through hole 341 and a second gas-liquid through hole 342 are provided on the second movable bolt 34; when the adjustment structure is in the first state, the first gas-liquid through hole 341 connects the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33; when the adjustment structure is in the second state, the second gas-liquid through hole 342 connects the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33.

[0035] As can be seen from the above description, the state of the adjustment structure can be changed by simply sliding the second movable bolt 34 , so that the first drug delivery tube 11 is connected to the external port 13 or the second drug delivery tube 12 is connected to the external port 13 .

[0036] Furthermore, a second protrusion 15 and a second recess 343 cooperating with the protrusion are respectively provided on the contact surface between the second movable bolt 34 and the main body 1 .

[0037] From the above description, it can be seen that the cooperation between the second protrusion 15 and the second pit 343 can limit the relative position of the second movable bolt 34 and the main body 1, thereby preventing the second movable bolt 34 from accidentally sliding relative to the main body 1 and causing accidental blocking of the first dosing tube 11 and the external port 13 or accidental blocking of the second dosing tube 12 and the external port 13, thereby affecting the adjustment work.

[0038] Furthermore, the main body 1 is further provided with a negative pressure regulating port 16 and an opening and closing member 17 . The negative pressure regulating port 16 is connected to the third gas-liquid pipeline 33 , and the opening and closing member 17 is used to open and close the negative pressure regulating port 16 .

[0039] As can be seen from the above description, the operator can adjust the negative pressure in the drug bottle or solvent bottle through the negative pressure regulating port 16 in conjunction with the regulating structure, thereby facilitating the flow of the drug or solvent.

[0040] Furthermore, it also includes a negative pressure ball 4, which is detachably connected to the negative pressure regulating port 16.

[0041] It can be seen from the above description that the negative pressure in the medicine bottle or solvent bottle can be adjusted conveniently and accurately by using the negative pressure ball 4 .

[0042] Furthermore, an infusion set is provided at one end of the first drug delivery tube 11 away from the second drug delivery tube 12 , or an infusion set is provided at one end of the second drug delivery tube 12 away from the first drug delivery tube 11 .

[0043] As can be seen from the above description, the use of an infusion set can facilitate the first drug delivery tube 11 to be connected to a drug bottle or the second drug delivery tube 12 to be connected to a solvent bottle, and can also control the flow rate of the drug or solvent.

[0044] Furthermore, a pointed puncture portion 5 is provided at one end of the first drug delivery tube 11 away from the second drug delivery tube 12 , or a pointed puncture portion 5 is provided at one end of the second drug delivery tube 12 away from the first drug delivery tube 11 .

[0045] As can be seen from the above description, by inserting the pointed puncture portion 5 into the medicine bottle or the solvent bottle, the medicine bottle can be connected to the first drug delivery tube 11 or the solvent bottle can be connected to the second drug delivery tube 12 .

[0046] Furthermore, a heparin cap 6 is provided at the external connection port 13 .

[0047] As can be seen from the above description, the heparin cap 6 can be punctured multiple times and repeatedly, which makes it convenient for the operator to draw liquid from the drug bottle or solvent bottle multiple times.

[0048] Please refer to Figures 1 to 5 The first embodiment of the present invention is: a stab-proof and wound-proof skin dispensing device, comprising a main body 1 and a first movable plug 2 and an adjustment structure provided on the main body 1; a first drug delivery tube 11 and a second drug delivery tube 12 are provided at both ends of the main body 1; the first movable plug 2 is slidable relative to the main body 1, and a dispensing through hole 21 is provided on the first movable plug 2, and the dispensing through hole 21 is used to connect the first drug delivery tube 11 and the second drug delivery tube 12; the main body 1 is also provided with an external port 13, and the adjustment structure has a first state (such as a state in which the first drug delivery tube 11 and the external port 13 are connected) in which the first drug delivery tube 11 and the external port 13 are connected. Figure 1 and Figure 2 As shown) and the second state of connecting the second drug delivery tube 12 and the external port 13 (as shown Figure 3 and Figure 4 shown).

[0049] Specifically, the inner cavities of the first drug delivery tube 11 and the second drug delivery tube 12 are both cylindrical, the axial direction of the first drug delivery tube 11 is collinear with the axial direction of the second drug delivery tube 12, and the inner diameter of the first drug delivery tube 11 is equal to the inner diameter of the second drug delivery tube 12. Figure 1 As shown, a pointed puncture portion 5 is provided at one end of the first dosing tube 11 away from the second dosing tube 12, and a pointed puncture portion 5 is provided at one end of the second dosing tube 12 away from the first dosing tube 11. By inserting the pointed puncture portion 5 into a medicine bottle or a solvent bottle, the medicine bottle can be connected to the first dosing tube 11, or the solvent bottle can be connected to the second dosing tube 12. In other embodiments, an infusion set can be provided at one end of the first dosing tube 11 away from the second dosing tube 12, and the first dosing tube 11 can be connected to the medicine bottle via the infusion set. Alternatively, an infusion set can be provided at one end of the second dosing tube 12 away from the first dosing tube 11, and the second dosing tube 12 can be connected to the solvent bottle via the infusion set.

[0050] A first movable stopper 2 is inserted into the main body 1, positioned between the first medication tube 11 and the second medication tube 12. The sliding direction of the first movable stopper 2 is perpendicular to the axial direction of the first medication tube 11. The medication dispensing through-hole 21 is cylindrical. An external connection port 13 is provided on one side of the main body 1 and is used to communicate with an external suction mechanism. In this embodiment, a heparin cap 6 is provided at the external connection port 13. The heparin cap 6 can be punctured multiple times, allowing the operator to aspirate the liquid from the medication or solvent bottle multiple times.

[0051] The contact surfaces of the first movable stopper 2 and the main body 1 are respectively provided with a first protrusion 14 and a first recess 22 that cooperates with the protrusion. Specifically, a first protrusion 14 is provided on the inner side surface of the main body 1, and two first recesses 22 are provided on the outer side surface of the first movable stopper 2. The two first recesses 22 are arranged along the sliding direction of the first movable stopper 2. One of the first recesses 22 cooperates with the first protrusion 14 to keep the dispensing hole 21 on the first movable stopper 2 in a state of communicating with the first drug delivery tube 11 and the second drug delivery tube 12 (as shown in FIG. Figure 5 As shown), the other first recess 22 cooperates with the first protrusion 14 to keep the dispensing hole 21 on the first movable plug 2 away from the first dosing tube 11 and the second dosing tube 12 (as shown). Figure 1 and Figure 3 shown).

[0052] The regulating structure includes a first gas-liquid pipeline 31, a second gas-liquid pipeline 32, a third gas-liquid pipeline 33 and a second movable plug 34. The first gas-liquid pipeline 31 is connected to the first drug delivery tube 11, the second gas-liquid pipeline 32 is connected to the second drug delivery tube 12, and the third gas-liquid pipeline 33 is connected to the external port 13. The second movable plug 34 is installed on the main body 1 and is movable relative to the main body 1. When the regulating structure is in the first state, the second movable plug 34 is connected to the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33. When the regulating structure is in the second state, the second movable plug 34 is connected to the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33. Specifically, the third gas-liquid pipeline 33 is F-shaped. The second movable plug 34 is slidably installed on the main body 1. The second movable plug 34 is provided with a first gas-liquid through hole 341 and a second gas-liquid through hole 342. When the regulating structure is in the first state, the first gas-liquid through hole 341 is connected to the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33 (such as Figure 1 and Figure 2 When the regulating structure is in the second state, the second gas-liquid through hole 342 connects the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33 (as shown); Figure 3 and Figure 4 In other embodiments, the second movable stopper 34 is rotatable relative to the main body 1, and a gas-liquid through hole is provided on the second movable stopper 34, one end of which is connected to the third gas-liquid pipeline 33. Rotating the second movable stopper 34 can also connect the other end of the gas-liquid through hole to the first gas-liquid pipeline 31 or the second gas-liquid pipeline 32.

[0053] The contact surfaces of the second movable bolt 34 and the main body 1 are respectively provided with a second protrusion 15 and a second recess 343 that cooperates with the protrusion. Specifically, two second protrusions 15 are provided on the main body 1, and two second recesses 343 are provided on the outer surface of the second movable bolt 34. The two second recesses 343 are arranged along the sliding direction of the second movable bolt 34. The cooperation between one of the second protrusions 15 and the second recess 343 can keep the first gas-liquid through hole 341 on the second movable bolt 34 in a state of connecting the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33 (as shown in FIG. Figure 2 As shown), another second pit 343 cooperates with another second protrusion 15 to keep the second gas-liquid through hole 342 on the second movable plug 34 connected to the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33 (as shown). Figure 4 shown).

[0054] like Figure 1 、 Figure 3 and Figure 5 As shown, the main body 1 is further provided with a negative pressure regulating port 16 and an opening and closing member 17. The negative pressure regulating port 16 is connected to the third gas-liquid pipeline 33. The opening and closing member 17 is used to open and close the negative pressure regulating port 16. In this embodiment, the opening and closing member 17 is preferably a rotary button.

[0055] like Figure 1 、 Figure 3 and Figure 5 As shown, the anti-puncture and anti-injury skin dispensing device further includes a negative pressure ball 4 , which is detachably connected to the negative pressure regulating port 16 .

[0056] The working principle of the puncture-proof and injury-proof skin dispensing device provided by the present invention is briefly described as follows: the dispensing hole 21 on the first movable bolt 2 is kept away from the first dosing tube 11 and the second dosing tube 12, the first dosing tube 11 is connected to the medicine bottle, the second dosing tube 12 is connected to the solvent bottle, and the medicine bottle is located below the solvent bottle; if the negative pressure or liquid volume in the medicine bottle needs to be adjusted, the second movable bolt 34 is slid so that the first gas-liquid through hole 341 of the second movable bolt 34 is connected to the first gas-liquid pipeline 31 and the third gas-liquid pipeline 33. At this time, the operator can suck the corresponding volume of medicine liquid through the external port 13, or suck the air in the medicine bottle through the negative pressure regulating port 16 to adjust the negative pressure in the medicine bottle. Negative pressure; if it is necessary to adjust the negative pressure or liquid volume in the solvent bottle, slide the second movable stopper 34 so that the second gas-liquid through hole 342 of the second movable stopper 34 is connected to the second gas-liquid pipeline 32 and the third gas-liquid pipeline 33. At this time, the operator can suck the corresponding volume of solvent through the external port 13, or suck the air in the solvent bottle through the negative pressure regulating port 16 to adjust the negative pressure in the solvent bottle; if it is not necessary to adjust the negative pressure or liquid volume in the drug bottle and the solvent bottle, or the negative pressure or liquid volume in the drug bottle and the solvent bottle has been adjusted, slide the first movable stopper 2 so that the dispensing through hole 21 is connected to the first dosing tube 11 and the second dosing tube 12, so that the solvent in the solvent bottle flows into the drug bottle to achieve mixing.

[0057] In summary, the puncture- and injury-resistant skin dispensing device provided by the present invention utilizes a first dispensing tube, a dispensing hole, and a second dispensing tube to connect a medication bottle and a solvent bottle, replacing a syringe for dispensing. This effectively reduces the risk of puncture injuries to the operator, and prevents medication from leaking out during dispensing, thus minimizing the risk of harming the operator's skin. The operator can adjust the negative pressure within the medication bottle or solvent bottle using an adjustment structure and an external port to facilitate the flow of medication into the solvent bottle. The adjustment structure and external port can also be used to adjust the amount of medication within the medication bottle or the amount of solvent within the solvent bottle to achieve precise dispensing. The first protrusion and the first recess cooperate to restrict the relative position of the first movable stopper and the main body, preventing the first movable stopper from accidentally sliding relative to the main body and thereby unintentionally connecting or disconnecting the first and second medication tubes. The second protrusion and the second recess cooperate to restrict the relative position of the second movable stopper and the main body, preventing the second movable stopper from accidentally sliding relative to the main body and thereby unintentionally blocking the first or second medication tubes and the external port, thereby affecting adjustment. The negative pressure ball allows for convenient and precise adjustment of the negative pressure within the medication bottle or solvent bottle.

[0058] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A stab-proof and skin-injury-proof dispensing device, characterized by: It includes a main body and a first movable bolt and an adjustment structure arranged on the main body; a first dosing tube and a second dosing tube are respectively provided at both ends of the main body; the first movable bolt is slidable relative to the main body, and a dispensing through hole is provided on the first movable bolt, and the dispensing through hole is used to connect the first dosing tube and the second dosing tube; an external port is also provided on the main body, and the adjustment structure has a first state of connecting the first dosing tube and the external port and a second state of connecting the second dosing tube and the external port; an infusion set is provided at one end of the first dosing tube away from the second dosing tube, or an infusion set is provided at one end of the second dosing tube away from the first dosing tube.

2. The stab-proof and wound-proof skin dispensing device according to claim 1, characterized in that: A first protrusion and a first recess matched with the protrusion are respectively provided on the contact surfaces of the first movable bolt and the main body.

3. The stab-proof and wound-proof skin dispensing device according to claim 1, characterized in that: The regulating structure includes a first gas-liquid pipeline, a second gas-liquid pipeline, a third gas-liquid pipeline and a second movable plug. The first gas-liquid pipeline is connected to the first gas-liquid pipeline, the second gas-liquid pipeline is connected to the second gas-liquid pipeline, and the third gas-liquid pipeline is connected to the external port. The second movable plug is installed on the main body and is movable relative to the main body. When the regulating structure is in a first state, the second movable plug is connected to the first gas-liquid pipeline and the third gas-liquid pipeline; when the regulating structure is in a second state, the second movable plug is connected to the second gas-liquid pipeline and the third gas-liquid pipeline.

4. The stab-proof and wound-proof skin dispensing device according to claim 3, characterized in that: The second movable bolt can be slidably installed on the main body, and the second movable bolt is provided with a first gas-liquid through hole and a second gas-liquid through hole; when the adjustment structure is in a first state, the first gas-liquid through hole connects the first gas-liquid pipeline and the third gas-liquid pipeline; when the adjustment structure is in a second state, the second gas-liquid through hole connects the second gas-liquid pipeline and the third gas-liquid pipeline.

5. The stab-proof and wound-proof skin dispensing device according to claim 4, characterized in that: A second protrusion and a second recess matched with the protrusion are respectively provided on the contact surface of the second movable bolt and the main body.

6. The stab-proof and wound-proof skin dispensing device according to claim 3, characterized in that: The main body is further provided with a negative pressure regulating port and an opening and closing member. The negative pressure regulating port is connected to the third gas-liquid pipeline, and the opening and closing member is used to open and close the negative pressure regulating port.

7. The stab-proof and wound-proof skin dispensing device according to claim 6, characterized in that: It also includes a negative pressure ball, which is detachably connected to the negative pressure regulating port.

8. The stab-proof and wound-proof skin dispensing device according to claim 1, characterized in that: A heparin cap is provided at the external connection port.

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