CN210812828U

CN210812828U - Blood collection device for exsanguination treatment

Info

Publication number: CN210812828U
Application number: CN201921112619.6U
Authority: CN
Inventors: 关晨阳; 李爱敏; 李红
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-23
Anticipated expiration: 2029-07-16

Abstract

The utility model is suitable for a medical equipment technical field provides a blood collection device for bloodletting treatment, including needle body subassembly, coupling assembling, hold blood subassembly and disinfection subassembly, needle body subassembly includes syringe needle, needle file, fixed pipe and threaded connection pipe, through setting up the pressure pipe valve and set negative pressure state with the inner chamber of negative pressure bottle, make after pricking the patient's vein with the syringe needle, open the pressure pipe valve, because the negative pressure bottle inner chamber is negative pressure state, thereby can extract the inner chamber to the negative pressure bottle with the blood in the patient's vein, the user can pass through the pressure pipe valve simultaneously, the degree of roller pair compression connecting pipe on the control pressure pipe valve door, thereby to the volume and the extraction speed of blood extraction, avoid present clinical bloodletting method commonly used to make blood flow from the vein after using remaining needle or disposable vein puncture syringe needle puncture, but blood flow speed is relatively slow, The bleeding amount is not easy to control, and is large, so that the patient is easy to have discomfort problems such as tension, anxiety and the like.

Description

Blood collection device for exsanguination treatment

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a blood collection device is used in bloodletting treatment.

Background

Polycythemia Vera (PV) is a clonal chronic myeloproliferative disease of hematopoietic stem cells, the PV proliferative stage or the polycythemia stage is always polycythemia, in order to make the blood volume and the erythrocyte volume close to normal as soon as possible, relieve the disease condition and reduce the complications, clinically, for younger patients, such as the complication of thrombus, bloodletting treatment can be adopted, the bloodletting treatment can reduce the blood volume to normal within a short time, relieve the symptoms and reduce the hemorrhage and the thrombus formation, 200ml to 400ml of blood is bled every 2 days to 3 days until the number of the erythrocytes is below 6.0 × 1012/L and the hematocrit is below 50 percent.

At present, the blood is usually discharged from the vein after being punctured by using an indwelling needle or a disposable venipuncture needle, but the blood flow speed is relatively slow, the blood discharging amount is difficult to control, the blood discharging amount is large, and patients are easy to have discomfort such as tension, anxiety and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a blood collection device is used in bloodletting treatment aims at solving present clinical bloodletting method commonly used and makes blood follow venous outflow after using remaining needle or the puncture of disposable venipuncture syringe needle, but blood flow velocity is slower relatively, the volume of bloodletting is wayward, and the volume of bloodletting is great, makes the patient produce uncomfortable problems such as nervous, anxiety easily.

The utility model is realized in such a way, a blood collection device for bloodletting treatment, including needle body subassembly, coupling assembling, appearance blood subassembly and disinfection subassembly, needle body subassembly includes syringe needle, needle file, fixed pipe, connecting seat and screwed connection pipe, the needle file with syringe needle fixed connection, and be located the bottom of syringe needle, fixed pipe with needle file fixed connection, and be located the needle file keeps away from the one end of syringe needle, the connecting seat with fixed pipe fixed connection, and be located the fixed pipe keeps away from the one end of needle file, screwed connection pipe with the connecting seat integrated into one piece, and be located the connecting seat keeps away from the one end of connecting seat;

the connecting pipe, the threaded connecting seat and the pipe pressing valve are in threaded connection with each other, the threaded connecting seat is located at one end, away from the connecting seat, of the threaded connecting pipe, the connecting pipe is fixedly connected with the threaded connecting seat and located at one end, away from the threaded connecting pipe, of the threaded connecting seat, and the pipe pressing valve is in sliding connection with the connecting pipe and sleeved on the outer side of the connecting pipe;

the blood containing assembly comprises a negative pressure bottle, a transparent glass sheet, a liquid discharge pipe, an adjusting block, an adjusting rod and a liquid discharge hole, the negative pressure bottle is fixedly connected with the connecting pipe and is positioned on one side, away from the threaded connecting seat, of the connecting pipe, the transparent glass sheet is integrally formed with the negative pressure bottle and is positioned at the front end of the negative pressure bottle, the liquid discharge pipe is fixedly connected with the negative pressure bottle and is positioned at the bottom end of the negative pressure bottle, the adjusting block is integrally formed with the liquid discharge pipe and is positioned at the bottom end of the negative pressure bottle, the adjusting rod is slidably connected with the adjusting block and is sleeved in an inner cavity of the adjusting block, the liquid discharge hole is formed in an inner cavity of the adjusting rod, and an inner cavity on the side of the negative pressure bottle;

the disinfection component comprises an outer screwed pipe, an inner screwed pipe, a check valve, a plugging block, a puncture needle, a rubber plug, a hollow bag, a heparin tube sealing liquid layer and a chlorine-containing disinfectant layer, the inner screwed pipe is fixedly connected with the fixed pipe and the negative pressure bottle, and is respectively positioned at the right end of the fixed pipe and the top end of the negative pressure bottle, the outer screwed pipe is in threaded connection with the inner screwed pipe and is positioned at the outer side of the inner screwed pipe, the check valve is fixedly connected with the inner screwed pipe and is positioned at the inner cavity of one side of the outer screwed pipe, the plugging block is fixedly connected with the inner screwed pipe and is positioned at the inner cavity of the inner screwed pipe, the puncture needle is fixedly connected with the plugging block and runs through the inner cavity of the plugging block to the top end of the inner screwed pipe, the outer screwed pipe is fixedly connected with the rubber plug, and is positioned at the inner cavity of one side of the outer screwed pipe, the hollow bag is fixedly connected with the outer spiral tube and is positioned at one end, far away from the inner spiral tube, of the outer spiral tube, the heparin tube sealing liquid layer is positioned in the inner cavity of the hollow bag close to one side of the fixing tube, the chlorine-containing disinfectant layer is positioned in the inner cavity of the hollow bag close to one side of the negative pressure bottle, and the inner cavity of the hollow bag is in a high-pressure state.

The utility model provides an it is preferred, needle body subassembly still includes butterfly needle handle, butterfly needle handle with needle file integrated into one piece, and be located the rightmost both ends of needle file.

The utility model provides an it is preferred, coupling assembling still includes connecting band and fixed rope, the connecting band with connecting pipe sliding connection, and the cover is located the outside of connecting pipe, fixed rope with connecting band fixed connection, and be located the left and right sides of connecting band.

The utility model provides an it is preferred, hold blood subassembly still includes the scale groove, the scale groove with negative pressure bottle fixed connection, and be located the front end right side of transparent glass piece.

The utility model provides a preferred, hold the blood subassembly and include the briquetting, the briquetting with adjust pole fixed connection, and be located adjust the pole about both ends.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a blood collection device is used in bloodletting treatment, set negative pressure state to through setting up the pressure pipe valve and with the inner chamber of negative pressure bottle, make after piercing the patient's vein with the syringe needle, open the pressure pipe valve, because the negative pressure bottle inner chamber is negative pressure state, thereby can extract the inner chamber to the negative pressure bottle with the blood of patient's vein, the user can pass through the pressure pipe valve simultaneously, the degree of the gyro wheel to the compression connecting pipe on the control pressure pipe valve, thereby to the volume and the extraction speed of blood extraction, avoid present clinical bloodletting method commonly used to keep somewhere needle or disposable vein puncture syringe needle to make blood follow the venous outflow after the puncture, but blood flow speed is relatively slower, the bloodletting volume is not easily controlled, and the bloodletting volume is great, make the patient produce nervous easily, anxious etc. uncomfortable problem.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the disinfection module of the present invention;

fig. 3 is a sectional view of the structure of the drainage tube of the present invention;

fig. 4 is a top view of the adjusting rod structure of the present invention.

In the figure: 1-needle body component, 11-needle head, 12-needle seat, 13-butterfly needle handle, 14-fixed tube, 15-connecting seat, 16-threaded connecting tube, 2-connecting component, 21-connecting tube, 22-threaded connecting seat, 23-tube pressing valve, 24-connecting band, 25-fixed rope, 3-blood containing component, 31-negative pressure bottle, 32-transparent glass sheet, 33-scale groove, 34-liquid discharge tube, 35-adjusting block, 36-adjusting rod, 37-pressing block, 38-liquid discharge hole, 4-disinfection component, 41-external solenoid, 42-internal solenoid, 43-one-way valve, 44-blocking block, 45-puncture needle, 46-rubber plug, 47-hollow bag, 48-heparin tube liquid layer, 49-chlorine disinfectant layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a blood collecting device for bloodletting treatment comprises a needle body component 1, a connecting component 2, a blood containing component 3 and a disinfecting component 4, wherein the needle body component 1 comprises a needle head 11, a needle seat 12, a fixed tube 14, a connecting seat 15 and a threaded connecting tube 16, the needle seat 12 is fixedly connected with the needle head 11 and is positioned at the bottom end of the needle head 11, the fixed tube 14 is fixedly connected with the needle seat 12 and is positioned at one end of the needle seat 12, which is far away from the needle head 11, the connecting seat 15 is fixedly connected with the fixed tube 14 and is positioned at one end of the fixed tube 14, which is far away from the needle seat 12, and the threaded connecting tube 16 is integrally formed with the connecting seat 15 and is;

the connecting pipe comprises a connecting pipe 21, a threaded connecting seat 22 and a pipe pressing valve 23, wherein the threaded connecting seat 22 is in threaded connection with the threaded connecting pipe 16 and is positioned at one end, far away from the connecting seat 15, of the threaded connecting pipe 16, the connecting pipe 21 is fixedly connected with the threaded connecting seat 22 and is positioned at one end, far away from the threaded connecting pipe 16, of the threaded connecting seat 22, and the pipe pressing valve 23 is in sliding connection with the connecting pipe 21 and is sleeved on the outer side of the connecting pipe 21;

the blood containing component 3 comprises a negative pressure bottle 31, a transparent glass sheet 32, a liquid discharge pipe 34, an adjusting block 35, an adjusting rod 36 and a liquid discharge hole 38, the negative pressure bottle 31 is fixedly connected with the connecting pipe 21 and is positioned on one side of the connecting pipe 21 far away from the threaded connecting seat 22, the transparent glass sheet 32 is integrally formed with the negative pressure bottle 31 and is positioned at the front end of the negative pressure bottle 31, the liquid discharge pipe 34 is fixedly connected with the negative pressure bottle 31 and is positioned at the bottom end of the negative pressure bottle 31, the adjusting block 35 is integrally formed with the liquid discharge pipe 34 and is positioned at the bottom end of the negative pressure bottle 31, the adjusting rod 36 is slidably connected with the adjusting block 35 and is sleeved in the inner cavity of the adjusting block 35, the liquid discharge hole 38 is arranged in the inner cavity of the;

the disinfection component 4 comprises an outer screwed pipe 41, an inner screwed pipe 42, a one-way valve 43, a block 44, a puncture needle 45, a rubber plug 46, a hollow sac 47, a heparin tube sealing liquid layer 48 and a chlorine-containing disinfectant layer 49, wherein the inner screwed pipe 42 is fixedly connected with the fixed pipe 14 and the negative pressure bottle 31 and is respectively positioned at the right end of the fixed pipe 14 and the top end of the negative pressure bottle 31, the outer screwed pipe 41 is in threaded connection with the inner screwed pipe 42 and is positioned at the outer side of the inner screwed pipe 42, the one-way valve 43 is fixedly connected with the inner screwed pipe 42 and is positioned in an inner cavity of the inner screwed pipe 42 at one side of the inner screwed pipe 42 far away from the outer screwed pipe 41, the block 44 is fixedly connected with the inner screwed pipe 42 and is positioned in an inner cavity of the inner screwed pipe 42, the puncture needle 45 is fixedly connected with the block 44 and penetrates through the inner cavity of the block 44 to the top end of the outer screwed pipe 42, the rubber plug 46 is fixedly connected with the outer screwed pipe 41 and is positioned in an, and is located at one end of the outer spiral tube 41 far away from the inner spiral tube 42, the heparin tube sealing liquid layer 48 is located in the inner cavity of the hollow sac 47 close to one side of the fixed tube 14, the chlorine-containing disinfectant layer 49 is located in the inner cavity of the hollow sac 47 close to one side of the negative pressure bottle 31, and the inner cavity of the hollow sac 47 is in a high-pressure state.

In the present embodiment, by setting the tube pressing valve 23 and setting the inner cavity of the negative pressure bottle 31 to be in a negative pressure state, after the needle 11 is inserted into the vein of the patient, the tube pressing valve 23 is opened, because the inner cavity of the negative pressure bottle 31 is in a negative pressure state, the blood in the vein of the patient can be extracted into the inner cavity of the negative pressure bottle 31, and simultaneously, the user can control the degree of the roller on the tube pressing valve 23 to compress the connecting tube 21 through the tube pressing valve 23, thereby the blood extraction amount and the blood extraction speed are avoided, the current common clinical bloodletting method is that the blood flows out from the vein after being punctured by using an indwelling needle or a disposable venipuncture needle, but the blood flow speed is relatively slow, the bloodletting amount is difficult to control, the bloodletting amount is large, and the patient is easy to generate discomfort such as tension, anxiety and the like, meanwhile, by setting the transparent glass sheet 32, the user can observe the bloodletting amount in real, meanwhile, the patient cannot see the blood drawing amount, so that the anxiety and fear of the patient are relieved, meanwhile, the inner spiral tube 42 and the chlorine-containing disinfectant layer 49 are arranged at the top end of the negative pressure bottle 31, the outer spiral tube 41 can be rotated after blood is drawn, the outer spiral tube 41 is driven to move downwards, the puncture needle 45 punctures the rubber plug 46, the chlorine-containing disinfectant layer 49 in the inner cavity of the hollow bag 47 with the punctured rubber plug 46 is discharged into the inner cavity of the negative pressure bottle 31 through the puncture needle 45 due to the fact that the inner cavity of the hollow bag 47 is in a high-pressure state, and therefore blood in the inner cavity of the negative pressure bottle 31 is disinfected.

Further, the needle assembly 1 further comprises a butterfly needle handle 13, the butterfly needle handle 13 is integrally formed with the needle holder 12 and located at the rightmost ends of the needle holder 12.

In the present embodiment, the butterfly needle handle 13 is provided, so that the user can perform the operation of inserting the needle by holding the butterfly needle handle 13.

Further, the connecting assembly 2 further includes a connecting band 24 and a fixing rope 25, the connecting band 24 is slidably connected to the connecting tube 21 and is sleeved outside the connecting tube 21, and the fixing rope 25 is fixedly connected to the connecting band 24 and is located on the left side and the right side of the connecting band 24.

In the present embodiment, the connection strap 24 and the fixing string 25 are provided so that the user can fasten the fixing string 25 to the fixing hand to fix the connection pipe 21.

Further, the blood containing component 3 further comprises a scale groove 33, and the scale groove 33 is fixedly connected with the negative pressure bottle 31 and is positioned at the right side of the front end of the transparent glass sheet 32.

In the present embodiment, the scale groove 33 is provided so that the amount of blood drawn can be known in real time through the scale groove 33 when blood is drawn.

Further, the blood containing component 3 comprises a pressing block 37, and the pressing block 37 is fixedly connected with the adjusting rod 36 and is positioned at the left end and the right end of the adjusting rod 36.

In the present embodiment, the pressing piece 37 is provided to facilitate the pressing and sliding of the adjustment lever 36.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the bloodletting treatment is needed to the patient, the screwed connection pipe 16 and the screwed connection seat 22 can be fixed in a screwed connection mode, then the skin at the vein puncture position of the patient is disinfected, then the butterfly-shaped needle handle 13 is held by hand to puncture the needle head 11 into the vein of the patient, then the roller on the pressing pipe valve 23 is rolled, so that the connection pipe 21 extruded by the roller on the pressing pipe valve 23 is opened, because the inner cavity of the negative pressure bottle 31 is in a negative pressure state, the blood in the vein of the patient can be extracted to the inner cavity of the negative pressure bottle 31, in the process of blood extraction, the degree of compressing the connection pipe 21 can be controlled by rolling the roller on the pressing pipe valve 23, thereby the blood extraction amount and the extraction speed are reduced, and the current common bloodletting method that the blood flows out from the vein after puncture by using a remaining needle or a disposable vein puncture needle head is avoided, but the blood flow speed is relatively slow, the bleeding amount is not easy to control, the bleeding amount is large, and the patient is easy to generate discomfort problems such as tension, anxiety and the like, meanwhile, through arranging the transparent glass sheet 32, the user can observe the bleeding amount in real time from the transparent glass sheet 32, and the patient can not see the bleeding amount, so that the anxiety, fear and psychology of the patient are relieved, meanwhile, the top end of the negative pressure bottle 31 is provided with the inner screwed pipe 42, the inner screwed pipe 42 and the chlorine-containing disinfectant layer 49, so that after the blood is drawn, the outer screwed pipe 41 can be rotated, so that the outer screwed pipe 41 is driven to move downwards, the puncturing needle 45 punctures the rubber plug 46, because the inner cavity of the hollow bag 47 is in a high pressure state, the chlorine-containing disinfectant layer 49 punctured in the inner cavity of the hollow bag 47 can be discharged into the inner cavity of the negative pressure bottle 31 through the puncturing needle 45, so as to disinfect the blood drawn in the inner cavity of the negative pressure bottle 31, adjusting rod 36 can be adjusted to push liquid discharge hole 38 to the inner cavity of liquid discharge pipe 34, so that the blood in the inner cavity of negative pressure bottle 31 can be discharged through liquid discharge pipe 34 and liquid discharge hole 38, and simultaneously, outer threaded pipe 41 at fixing tube 14 is screwed, so that puncturing needle 45 punctures rubber plug 46, and because the inner cavity of hollow bag 47 is in a high-pressure state, chlorine-containing disinfectant layer 49 in the inner cavity of hollow bag 47 with punctured rubber plug 46 can be discharged into the inner cavities of fixing tube 14 and needle 11 through puncturing needle 45, thereby avoiding the problem that the blood coagulates in the inner cavities of needle 11 and fixing tube 14 to block needle 11 and fixing tube 14.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A blood collection device for phlebotomy treatment, comprising: the blood vessel disinfection needle comprises a needle body assembly (1), a connecting assembly (2), a blood containing assembly (3) and a disinfection assembly (4), wherein the needle body assembly (1) comprises a needle head (11), a needle seat (12), a fixed tube (14), a connecting seat (15) and a threaded connecting tube (16), the needle seat (12) is fixedly connected with the needle head (11) and is located at the bottom end of the needle head (11), the fixed tube (14) is fixedly connected with the needle seat (12) and is located at one end, far away from the needle head (11), of the needle seat (12), the connecting seat (15) is fixedly connected with the fixed tube (14) and is located at one end, far away from the needle seat (12), of the fixed tube (14), the threaded connecting tube (16) and the connecting seat (15) are integrally formed and are located at one end, far away from the connecting seat (15), of the connecting seat (15;

the connecting pipe (21), the threaded connecting seat (22) and the pipe pressing valve (23), the threaded connecting seat (22) is in threaded connection with the threaded connecting pipe (16) and is located at one end, far away from the connecting seat (15), of the threaded connecting pipe (16), the connecting pipe (21) is fixedly connected with the threaded connecting seat (22) and is located at one end, far away from the threaded connecting pipe (16), of the threaded connecting seat (22), and the pipe pressing valve (23) is in sliding connection with the connecting pipe (21) and is sleeved on the outer side of the connecting pipe (21);

hold blood subassembly (3) and include negative pressure bottle (31), clear glass piece (32), fluid-discharge tube (34), regulating block (35), adjust pole (36) and leakage fluid dram (38), negative pressure bottle (31) with connecting pipe (21) fixed connection, and be located connecting pipe (21) is kept away from one side of threaded connection seat (22), clear glass piece (32) with negative pressure bottle (31) integrated into one piece, and be located the front end of negative pressure bottle (31), fluid-discharge tube (34) with negative pressure bottle (31) fixed connection, and be located the bottom of negative pressure bottle (31), regulating block (35) with fluid-discharge tube (34) integrated into one piece, and be located the bottom of negative pressure bottle (31), adjust pole (36) with regulating block (35) sliding connection, and the cover is located the inner chamber of regulating block (35), leakage fluid dram (38) are seted up the inner chamber of regulating block (36), the inner cavity at the side of the negative pressure bottle (31) is in a negative pressure state;

the disinfection component (4) comprises an outer solenoid (41), an inner solenoid (42), a one-way valve (43), a blocking block (44), a piercing needle (45), a rubber plug (46), a hollow bag (47), a heparin tube sealing liquid layer (48) and a chlorine-containing disinfectant layer (49), the inner solenoid (42) is fixedly connected with the fixed tube (14) and the negative pressure bottle (31) and is respectively positioned at the right end of the fixed tube (14) and the top end of the negative pressure bottle (31), the outer solenoid (41) is in threaded connection with the inner solenoid (42) and is positioned at the outer side of the inner solenoid (42), the one-way valve (43) is fixedly connected with the inner solenoid (42) and is positioned at the inner cavity of one side of the outer solenoid (41) far away from the inner solenoid (42), the blocking block (44) is fixedly connected with the inner solenoid (42) and is positioned at the inner cavity of the inner solenoid (42), puncture needle (45) with sprue (44) fixed connection, and run through in the inner chamber of sprue (44) extremely the top of interior solenoid (42), rubber buffer (46) with outer solenoid (41) fixed connection, and be located outer solenoid (41) are kept away from the inner chamber of interior solenoid (42) one side, cavity pocket (47) with outer solenoid (41) fixed connection, and be located outer solenoid (41) are kept away from the one end of interior solenoid (42), heparin liquid-tight tube (48) are located and are close to fixed pipe (14) one side the inner chamber of cavity pocket (47), chlorine-containing disinfectant layer (49) are located be close to negative pressure bottle (31) one side the inner chamber of cavity pocket (47), the inner chamber of cavity pocket (47) is high pressure state.

2. A blood collection set for phlebotomy therapy according to claim 1, wherein: the needle body assembly (1) further comprises butterfly-shaped needle handles (13), wherein the butterfly-shaped needle handles (13) and the needle seats (12) are integrally formed and are located at the rightmost two ends of the needle seats (12).

3. A blood collection set for phlebotomy therapy according to claim 1, wherein: coupling assembling (2) still include connecting band (24) and fixed rope (25), connecting band (24) with connecting pipe (21) sliding connection, and the cover is located the outside of connecting pipe (21), fixed rope (25) with connecting band (24) fixed connection, and be located the left and right sides of connecting band (24).

4. A blood collection set for phlebotomy therapy according to claim 1, wherein: hold blood subassembly (3) and still include scale groove (33), scale groove (33) with negative pressure bottle (31) fixed connection, and be located the front end right side of transparent glass piece (32).

5. A blood collection set for phlebotomy therapy according to claim 1, wherein: the blood containing assembly (3) comprises a pressing block (37), the pressing block (37) is fixedly connected with the adjusting rod (36) and is positioned at the left end and the right end of the adjusting rod (36).