CN210784459U

CN210784459U - Disposable double-head bloodletting device for ear bloodletting therapy

Info

Publication number: CN210784459U
Application number: CN201921489141.9U
Authority: CN
Inventors: 李�杰; 赵倩; 李艳; 张颖娟
Original assignee: DONGZHIMEN HOSPITAL AFFILIATED TO BEIJING UNIVERSITY OF CHINESE MEDICINE
Current assignee: DONGZHIMEN HOSPITAL AFFILIATED TO BEIJING UNIVERSITY OF CHINESE MEDICINE
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-19
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a disposable double-end bloodletting device for ear's bloodletting therapy relates to medical equipment technical field, has solved current bloodletting instrument in use and has pricked medical staff easily, pricks the technical problem who hurts patient even. This a disposable double-end bloodletting device for ear's bloodletting therapy, including handle and bloodletting portion, bloodletting portion is including setting up first bloodletting portion and the second bloodletting portion at handle both ends head respectively. The length of the handle is 40-60 mm. The handle is arranged outside the first bloodletting part and the second bloodletting part and can be detachably connected with an outer cover. The utility model discloses make things convenient for medical staff to grip, can reduce the condition of stabbing medical staff or patient. The two bloodletting parts can avoid the bloodletting of a plurality of parts by the same bloodletting part to cause the infection of patients. Two bloodletting parts share a handle, can reduce the handle quantity to practice thrift the cost. When medical staff need change the bloodletting portion, directly with the bloodletting portion transfer can, easy operation, work efficiency is high.

Description

Disposable double-head bloodletting device for ear bloodletting therapy

Technical Field

The utility model relates to the technical field of medical equipment, particularly, indicate a disposable double-end bloodletting device for ear's bloodletting therapy.

Background

The ear skin bloodletting therapy has long technical history and obvious curative effect. Because of simple and convenient operation and good clinical effect, the ear pressing pill and the ear tip exsanguination are widely applied to various subjects clinically by doctors and nursing staff in traditional Chinese medicine hospitals, and have various symptoms and higher use frequency.

At present, no special bloodletting tool for ear skin bloodletting therapy exists, and the tools used in clinic at present mostly adopt a single-side peripheral blood taking needle, a disposable syringe needle, an infusion set needle and the like. However, the operation area of the ear is small, so that medical staff is required to fix the position to be exsanguinated by hands, the existing tools are too small in size and inconvenient to hold, the medical staff can easily accidentally injure the fingers of the staff in the operation process, and the situation that the head of the patient is moved due to pain and the patient or the medical staff is injured due to pricking can occur in the operation process. There is no safe and effective bloodletting device for medical staff and patients in clinic.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a disposable double-head phlebotomy device for ear phlebotomy to solve the technical problem that the existing phlebotomy tool is easy to prick medical staff or even patients.

The utility model provides a technical scheme that its technical problem adopted is:

the disposable double-head bloodletting device for the ear bloodletting therapy comprises a handle and a bloodletting part, wherein the bloodletting part comprises a first bloodletting part and a second bloodletting part, and the first bloodletting part and the second bloodletting part are respectively arranged at two ends of the handle; the length of the handle is 40-60 mm; the handle is arranged outside the first bloodletting part and the second bloodletting part and can be detachably connected with an outer cover used for covering the bloodletting parts.

Compared with the prior art, the utility model discloses beneficial effect is:

1. the handle of the utility model has a length of 40-60mm and a large overall size, which is convenient for medical staff to hold, thereby reducing the pricking injury of the medical staff or patients during the operation.

2. The utility model discloses be provided with two bloodletting portions, can carry out the bloodletting to two bloodletting points respectively, avoid same bloodletting portion to a plurality of positions bloodletting, cause patient to infect. And the bloodletting part can be infected with bloodstain after bloodletting to a bloodletting point, and the bloodstain can make the bloodletting part become not sharp to increase patient's painful sense, lead to even that patient rocks the head because of the pain, appear pricking patient or medical staff's condition.

3. The utility model discloses a handle is shared to two bloodletting portions, can reduce handle quantity to practice thrift the cost. And in operation, when medical staff need change the bloodletting portion, directly with the bloodletting portion transfer can, need not change whole bloodletting device again, easy operation improves work efficiency.

4. The utility model discloses the dustcoat can cover the portion of bleeding after the use outside, avoids in operation process, and the portion of bleeding that is located medical staff one end exposes, has the risk of pricking medical staff or patient. And the garbage disposal personnel can be prevented from being pricked after the garbage disposal equipment is used.

5. The utility model is a disposable article, which meets the requirement of aseptic articles and avoids the infection of patients.

Preferably, the first and second phlebotomy portions are both needles, or:

the first bloodletting part is a needle, and the second bloodletting part is a knife.

When first portion of drawing blood and second portion of drawing blood are the needle, can carry out the bloodletting to the position that patient's ear needs the acupuncture to draw blood.

First portion of exsanguinating is the needle, and when second portion of exsanguinating was the sword, it was different according to the reaction of disease at the skin of ear, if acupuncture point or positive reaction region had the anger of superficial vein, can use second portion of exsanguinating to draw a small mouthful along the anger superficial vein blood vessel of opening fast accurate, wipe the edge of a knife with aseptic cotton ball. Hemostasis is performed after the bleeding amount is about 1 cm. So as to achieve the effects of tranquilizing, purging heat, dispelling wind, relieving itching, purging pathogenic fire, removing toxic substances, clearing heat, cooling blood, removing blood stasis and promoting tissue regeneration. In contrast, when the exsanguination part is a needle, the exsanguination amount is generally small, such as 3-5 points of the ear tip for treating acute conjunctivitis. Can be used for treating hyperpyrexia and parotitis with 8-10 drops of blood. If the bloodletting part of the patient is the condition needing acupuncture, the first bloodletting part can be used for bloodletting, thereby meeting the requirements of patients with different conditions.

Preferably, when the first blood discharging part and the second blood discharging part are both needles, the length of the first blood discharging part is 2.5mm-3mm, and the length of the second blood discharging part is 3-5 mm.

The first bloodletting part can be used when the ear part of the patient needs to be bloodletting has cartilage or is too thin, so that the patient is prevented from being punctured with the cartilage to cause infection or the ear part of the patient is punctured. Can use the second bloodletting part to use when the position that the patient ear needs the bloodletting is too thick to make the utility model discloses can use different length according to the condition of difference.

Preferably, when the first blood discharging part is a needle and the second blood discharging part is a knife, the length of the first blood discharging part is 3.5mm-5mm, and the length of the second blood discharging part is 4-6 mm.

Preferably, dustcoat and handle lock joint, the dustcoat is located and is provided with the safety cover for opening one end, and inside cavity and one side opening of safety cover, the safety cover can be established in the handle outside, is provided with first connecting hole on the safety cover lateral wall, and the handle corresponds first connecting hole position be provided with first connecting hole complex protruding stupefied, protruding stupefied be located safety cover one side downward sloping and inclined plane and handle surface crossing, protruding stupefied card go into in the first connecting hole, connect safety cover and handle to will bleed portion cover inside the safety cover.

When the utility model is not used, the outer cover and the handle can be fastened, and the bloodletting part is conveniently exposed. After the one end bloodletting part finishes using, be connected the safety cover of the dustcoat other end and handle through protruding stupefied and first connecting hole, because protruding stupefied and be provided with the inclined plane, can conveniently go into protruding stupefied with the first connecting hole card of safety cover to avoid first connecting hole from protruding stupefied interior slip-out, thereby avoid safety cover and handle separation. When the medical staff uses the bloodletting part at the other end to operate, the protective cover can avoid the bloodletting part after being used from being exposed to prick the medical staff or patients and also avoid the garbage disposal staff from being pricked.

The outer cover is connected with the protective cover, and the outer cover is connected with the protective cover in the operation process, so that the length of the handle is prolonged, and the medical staff can conveniently hold the handle.

Preferably, the outer cover is fastened with the handle, a clamping groove is formed in one end, located at the handle, of the outer cover, and a clamping buckle matched with the clamping groove is formed in the position, corresponding to the clamping groove, of the handle;

the clamping grooves comprise a first clamping groove and a second clamping groove which are perpendicular to each other, the length direction of the second clamping groove is parallel to the length direction of the handle, the second clamping groove is located on the outer side of the outer cover and communicates the first clamping groove with the outer side, the corrugated cardboard penetrates through the second clamping groove and is clamped into the first clamping groove, and the outer cover is connected with the handle.

The outer cover is fastened to the handle, and is further connected to the housing through the clamping groove and the clamping bar, when the outer cover needs to be taken down, the outer cover needs to be rotated to enable the clamping bar to correspond to the second clamping groove, and then the outer cover can be taken down only by overcoming the fastening force between the outer cover and the handle, so that the connection stability between the outer cover and the handle is further improved. Therefore, when the medical staff uses the bloodletting part at one end to operate, the outer cover is separated from the handle, the used bloodletting part pricks the medical staff or the patient, and the garbage disposal staff can be prevented from being pricked. And simple structure, convenient to use, it is with low costs.

Preferably, the second card slot is located in the middle of the first card slot.

In the using process, the outer cover and the handle may rotate relatively due to misoperation, the second card slot is located in the middle of the first card slot, misoperation occurs in time, and the probability that the corrugated cardboard stays in the middle of the first card slot is low, so that the situation that the outer cover and the handle are separated due to misoperation is further avoided.

Preferably, the two ends of the handle are sleeved with extending parts capable of extending out of the end heads of the handle, and the extending parts are in threaded connection with the handle;

the elastic column capable of protruding out of the surface of the handle is radially arranged at the end head of the handle, a second connecting hole matched with the elastic column is formed in one end, located in the center of the handle, of the extending part, and when the second connecting hole corresponds to the elastic column, the elastic column extends into the second connecting hole to limit the extending part and the handle to rotate relatively; when the second connecting hole and the elastic column are connected, the length of the extension part extending out of the handle is longer than that of the bloodletting part.

After the bloodletting part at one end is used, the corresponding extending part can be extended towards the outside of the handle, the elastic column is clamped in the second connecting hole, the extending part is fixed with the handle, and the extending part covers the outside of the bloodletting part. In the using process, even if the outer cover falls off, the extension part can be covered outside the blood discharging part, so that medical staff or patients are prevented from being pricked by the used blood discharging part, and garbage disposal staff can be prevented from being pricked.

The extension part is in threaded connection with the handle, so that when the medical handle is used, the length of the handle can be extended through the extension part according to the needs of medical staff, the medical staff can use the handle more conveniently, and the risk of error in the operation process is reduced.

Preferably, the handle is externally provided with a thread which is matched with the extension part.

The screw thread not only can be as anti-skidding device, avoids medical staff smooth, and misoperation's the condition appears, can remove the extension to handle intermediate position moreover, as a fastener, the card is between two fingers of medical staff, makes medical staff hold and gets more stably, and it is more convenient to operate.

Preferably, the handle is externally provided with an anti-slip groove.

The antiskid groove can avoid the condition that medical staff's hand is smooth, misoperation appears.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the connection between the protective cover and the handle of the present invention in embodiment 1;

fig. 2 is a schematic view of the present invention in which the cover is separated from the handle in embodiment 1;

FIG. 3 is a schematic view showing the connection between the cover and the handle of the present invention in example 1;

FIG. 4 is a schematic view showing the connection between the cover and the handle of the present invention in example 2;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is a schematic diagram of the blood discharging operation of the second blood discharging unit of the present invention in example 2;

fig. 7 shows the present invention in an unused state in embodiment 3;

FIG. 8 is a schematic diagram of the blood discharging operation of the first blood discharging unit of the present invention in example 3;

FIG. 9 is a schematic diagram of the blood discharging operation of the second blood discharging unit of the present invention in example 3;

figure 10 is a schematic view of the embodiment of figure 3 showing the extension of the present invention in the middle of the handle;

figure 11 is a schematic illustration of the invention in example 3 after use;

fig. 12 is a schematic view of the second phlebotomy part of the present invention.

In the figure: 1-handle, 2-first bleeding part, 3-second bleeding part, 4-cover, 5-protective cover, 7-ridge, 8-buckle, 9-first card slot, 10-second card slot, 11-extension, 12-elastic column, 13-second connection hole, 14-anti-slip groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a disposable double-head bloodletting instrument for ear bloodletting comprises a handle 1 and a bloodletting part, as shown in figure 1. The bloodletting part comprises a first bloodletting part 2 and a second bloodletting part 3, and the first bloodletting part 2 and the second bloodletting part 3 are respectively arranged at two ends of the handle 1. The handle 1 is made of plastic, and has a length of 40-60mm, preferably 50mm, and a width of 4-6mm, preferably 5 mm. The handle 1 is externally provided with an anti-slip groove 14.

As shown in fig. 2, the first blood discharging unit 2 and the second blood discharging unit 3 are both needles, preferably triangular steel needles. The length of the first blood discharging part 2 is 2.5mm-3mm, preferably 2.7 mm. The length of the second phlebotomy part 3 is 3-5mm, preferably 4 mm.

It is noted that the first phlebotomy part 2 may also be provided as a needle and the second phlebotomy part 3 as a knife, as shown in fig. 12. The length of the first phlebotomy part 2 is 3.5mm to 5mm, preferably 4 mm. The length of the second phlebotomy part 3 is 4-6mm, preferably 5 mm. If the acupuncture points or the positive reaction areas have superficial veins which are angry, the second bloodletting part 3 can be used for quickly and accurately drawing a small opening of 3-5mm along the angry superficial vein, and the knife edge is wiped by using a sterile cotton ball. Hemostasis is performed after the bleeding amount is about 1 cm. So as to achieve the effects of tranquilizing, purging heat, dispelling wind, relieving itching, purging pathogenic fire, removing toxic substances, clearing heat, cooling blood, removing blood stasis and promoting tissue regeneration. In contrast, when the exsanguination part is a needle, the exsanguination amount is generally small, such as 3-5 points of the ear tip for treating acute conjunctivitis. Can be used for treating hyperpyrexia and parotitis with 8-10 drops of blood.

The handle 1 is detachably connected with a cover 4 for covering the bloodletting part outside the first bloodletting part 2 and the second bloodletting part 3. As shown in fig. 1-3, the cover 4 and the handle 1 are snap-fitted. The dustcoat 4 is located and is provided with safety cover 5 for opening one end, and 5 inside cavity of safety cover and one side opening, safety cover 5 can overlap and establish in the 1 outside of handle, are provided with first connecting hole on the 5 lateral walls of safety cover, and handle 1 corresponds first connecting hole position be provided with first connecting hole complex protruding stupefied 7, protruding stupefied 7 is located 5 one side downward sloping of safety cover and inclined plane and handle 1 surface and intersects.

When not in use, the two housings 4 are fastened to the handle 1.

When blood is discharged using the first blood discharging unit 2, as shown in fig. 3, the cover 4 outside the first blood discharging unit 2 is detached from the handle 1, and blood is discharged using the first blood discharging unit 2. When using second portion of exsanguinating 3, be connected safety cover 5 and handle 1 through protruding stupefied 7 and first connecting hole, because protruding stupefied 7 is provided with the inclined plane, can conveniently go into protruding stupefied 7 with the first connecting hole card of safety cover 5 in to avoid first connecting hole from protruding stupefied 7 interior roll-off, thereby avoid safety cover 5 and handle 1 to separate. When the medical staff operates the second bloodletting part 3, the protective cover 5 can prevent the first bloodletting part 2 from exposing and hurting the medical staff or the patient. After use, as shown in fig. 1, the protective cover 5 is connected to the handle 1 at one end of the second blood discharging part 3 to avoid pricking the garbage disposal person.

Example 2:

a disposable double-head bloodletting instrument for ear bloodletting therapy comprises a handle 1 and a bloodletting part. The bloodletting part comprises a first bloodletting part 2 and a second bloodletting part 3, and the first bloodletting part 2 and the second bloodletting part 3 are respectively arranged at two ends of the handle 1. The handle 1 is made of plastic, and has a length of 40-60mm, preferably 50mm, and a width of 4-6mm, preferably 5 mm. The handle 1 is externally provided with an anti-slip groove 14.

The first and

second phlebotomy sections

2 and 3 are needles, preferably triangular steel needles. The length of the first blood discharging part 2 is 2.5mm-3mm, preferably 2.7 mm. The length of the second phlebotomy part 3 is 3-5mm, preferably 4 mm.

It is noted that the first phlebotomy site 2 may also be provided as a needle and the second phlebotomy site 3 as a knife. The length of the first phlebotomy part 2 is 3.5mm to 5mm, preferably 4 mm. The length of the second phlebotomy part 3 is 4-6mm, preferably 5 mm. If the acupuncture points or the positive reaction areas have superficial veins which are angry, the second bloodletting part 3 can be used for quickly and accurately drawing a small opening of 3-5mm along the angry superficial vein, and the knife edge is wiped by using a sterile cotton ball. Hemostasis is performed after the bleeding amount is about 1 cm. So as to achieve the effects of tranquilizing, purging heat, dispelling wind, relieving itching, purging pathogenic fire, removing toxic substances, clearing heat, cooling blood, removing blood stasis and promoting tissue regeneration. In contrast, when the exsanguination part is a needle, the exsanguination amount is generally small, such as 3-5 points of the ear tip for treating acute conjunctivitis. Can be used for treating hyperpyrexia and parotitis with 8-10 drops of blood.

The handle 1 is detachably connected with a cover 4 for covering the bloodletting part outside the first bloodletting part 2 and the second bloodletting part 3.

As shown in fig. 4, the housing 4 and the handle 1 are fastened together, fastening portions that are engaged with each other are respectively provided on the housing 4 and the handle 1, a locking groove is provided on a side of the housing 4 that is located near a middle portion of the handle 1, and a locking groove 8 that is engaged with the locking groove is provided on the handle 1 corresponding to the locking groove. As shown in fig. 5, the card slot includes a first card slot 9 and a second card slot 10 perpendicular to each other, a longitudinal direction of the second card slot 10 is parallel to a longitudinal direction of the handle 1, the second card slot 10 is located outside the housing 4 and connects the first card slot 9 and the outside, and the corrugated board 8 is inserted into the first card slot 9 through the second card slot 10 to connect the housing 4 and the handle 1. The second card slot 10 is located at the middle position of the first card slot 9.

In use, the cover 4 is turned to fit the card 8 to the second card slot 10, and then the cover 4 is pulled out from the handle 1 to expose the first bleeding part 2, and bleeding is performed using the first bleeding part 2. When the second phlebotomizing section 3 is used, as shown in fig. 6, the cover 4 of the second phlebotomizing section 3 is detached, and the cover 4 of the first phlebotomizing section 2 is connected to the handle 1, thereby covering the first phlebotomizing section 2 again. When the medical staff uses the second bloodletting part 3 to operate, the outer cover 4 can avoid the first bloodletting part 2 from exposing and hurting the medical staff or the patient. After use, as shown in fig. 4, the cover 4 is connected to the handle 1 at one end of the second blood discharging part 3 to avoid pricking the garbage disposal person.

Example 3:

a disposable double-head bloodletting instrument for ear bloodletting therapy comprises a handle 1 and a bloodletting part. The bloodletting part comprises a first bloodletting part 2 and a second bloodletting part 3, and the first bloodletting part 2 and the second bloodletting part 3 are respectively arranged at two ends of the handle 1. The handle 1 is made of plastic, and has a length of 40-60mm, preferably 50mm, and a width of 4-6mm, preferably 5 mm.

The first and

second phlebotomy sections

As shown in figures 7-11, both ends of the handle 1 are sleeved with extension parts 11 which can extend out of the end of the handle 1, and the extension parts 11 are in threaded connection with the handle 1. The end of the handle 1 is radially provided with a spring column 12 which can protrude out of the surface of the handle 1, and a spring is arranged inside the spring column 12 and can extend into the handle 1. One end of the extension part 11, which is positioned at the center of the handle 1, is provided with a second connecting hole 13 matched with the elastic column 12, and when the second connecting hole 13 corresponds to the elastic column 12, the elastic column 12 extends into the second connecting hole 13 to limit the relative rotation of the extension part 11 and the handle 1; when the second connecting hole 13 is connected with the elastic column 12, the length of the extension part 11 extending out of the handle 1 is longer than that of the bloodletting part. The handle 1 is externally provided with a screw thread which cooperates with the extension 11.

The cover 4 is fastened to the extension 11. It should be noted that the cover 4 may be fastened to the handle 1, and the inner diameter of the extension 11 may be larger than the outer diameter of the cover 4.

When not in use, as shown in fig. 7, the two covers 4 are fastened to the extension 11.

When blood is discharged using the first blood discharging unit 2, as shown in fig. 8, the cover 4 outside the first blood discharging unit 2 is detached from the extension portion 11, and blood is discharged using the first blood discharging unit 2.

The length of the handle 1 can also be extended by rotating the extension part 11 at one end of the second blood discharging part 3 according to the needs of the medical staff. In order to prevent the cover 4 of the second blood discharging part 3 from falling off and hurting a patient or medical staff during operation, the extension part 11 at one end of the second blood discharging part 3 and the handle 1 can be fixed through the elastic column 12 and the second connecting hole 13, so that the extension part 11 can protect the second blood discharging part 3 even if the cover 4 falls off. When the second bleeding part 3 is needed to bleed blood, the elastic rod 12 is pushed into the handle 1, the extension part 11 is rotated, the extension part 11 is moved toward the middle of the handle 1, and the second bleeding part 3 is exposed.

When blood is discharged using the second blood discharging unit 3, the cover 4 is connected to the extension 11 of the first blood discharging unit 2, as shown in fig. 9. The extension part 11 is moved towards one end of the handle 1 and is fixed through the elastic column 12 and the second connecting hole 13, so that the outer cover 4 is prevented from falling off, and the first bloodletting part 2 pricks a patient or medical staff.

As shown in fig. 10, the extension part 11 at one end of the second bloodletting part can also be moved to the middle part of the handle 1 to be used as a clamping piece to be clamped between two fingers of the medical staff, so that the medical staff can hold and take the blood more stably and the operation is more convenient.

After use, as shown in fig. 11, the extension parts 11 at both ends of the handle 1 are fixed with the handle 1 through the elastic columns 12 and the second connecting holes 13, and the outer cover 4 is connected with the extension parts 11, so that the garbage disposal personnel can be prevented from being hurt.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention.

Claims

1. A disposable double-head bloodletting device for ear bloodletting therapy is characterized by comprising a handle (1) and a bloodletting part, wherein the bloodletting part comprises a first bloodletting part (2) and a second bloodletting part (3), and the first bloodletting part (2) and the second bloodletting part (3) are respectively arranged at two ends of the handle (1); the length of the handle (1) is 40-60 mm; the handle (1) is positioned outside the first bloodletting part (2) and the second bloodletting part (3) and can be detachably connected with an outer cover (4) used for covering the bloodletting parts.

2. A disposable double-ended phlebotomy device for ear phlebotomy according to claim 1, characterized in that the first and second phlebotomy sections (2, 3) are both needles, or:

the first bloodletting part (2) is a needle, and the second bloodletting part (3) is a knife.

3. A disposable double-ended phlebotomy device according to claim 2, wherein when the first and second phlebotomy portions (2, 3) are both needles, the length of the first phlebotomy portion (2) is 2.5-3 mm and the length of the second phlebotomy portion (3) is 3-5 mm.

4. A disposable double-ended phlebotomy device according to claim 2, wherein when the first phlebotomy part (2) is a needle and the second phlebotomy part (3) is a knife, the length of the first phlebotomy part (2) is 3.5mm-5mm and the length of the second phlebotomy part (3) is 4-6 mm.

5. The disposable double-head bloodletting instrument for the bloodletting therapy to the ear according to the claim 1, wherein the outer cover (4) is fastened with the handle (1), the outer cover (4) is arranged at one end opposite to the opening and is provided with a protective cover (5), the protective cover (5) is hollow and is opened at one side, the protective cover (5) can be sleeved outside the handle (1), the side wall of the protective cover (5) is provided with a first connecting hole, the handle (1) is provided with a convex edge (7) matched with the first connecting hole corresponding to the position of the first connecting hole, the convex edge (7) is arranged at one side of the protective cover (5) and inclines downwards, the inclined surface is intersected with the outer surface of the handle (1), the convex edge (7) is clamped into the first connecting hole, the protective cover (5) is connected with the handle (1), and the bloodletting part is covered inside the protective cover (.

6. The disposable double-headed phlebotomy device according to claim 1, wherein the cover (4) is fastened to the handle (1), a slot is provided at one end of the cover (4) located at the handle (1), and the handle (1) is provided with a card slot (8) corresponding to the slot for mating with the slot;

the clamping grooves comprise a first clamping groove (9) and a second clamping groove (10) which are perpendicular to each other, the length direction of the second clamping groove (10) is parallel to the length direction of the handle (1), the second clamping groove (10) is located on the outer side of the outer cover (4) and is used for communicating the first clamping groove (9) with the outer side, and the clamping belt (8) penetrates through the second clamping groove (10) and is clamped into the first clamping groove (9) to connect the outer cover (4) with the handle (1).

7. A disposable double-ended phlebotomy device for ear phlebotomy according to claim 6, wherein the second card slot (10) is located in the middle of the first card slot (9).

8. The disposable double-head bloodletting instrument for the bloodletting therapy to the ear according to the claim 1, wherein, the two ends of the handle (1) are sleeved with the extending parts (11) which can extend out of the end of the handle (1), and the extending parts (11) are connected with the handle (1) by screw thread;

the end head of the handle (1) is radially provided with an elastic column (12) capable of protruding out of the surface of the handle (1), one end of the extension part (11) positioned at the center of the handle (1) is provided with a second connecting hole (13) matched with the elastic column (12), and when the second connecting hole (13) corresponds to the elastic column (12), the elastic column (12) extends into the second connecting hole (13) to limit the relative rotation of the extension part (11) and the handle (1); when the second connecting hole (13) and the elastic column (12) are connected, the length of the extension part (11) extending out of the handle (1) is longer than that of the bloodletting part.

9. A disposable double-ended phlebotomy device for ear phlebotomy according to claim 8, characterized in that the handle (1) is externally provided with a screw thread that cooperates with the extension (11).

10. A disposable double-ended phlebotomy device for ear phlebotomy according to any one of claims 1-7, characterized in that the handle (1) is externally provided with an anti-slip groove (14).