CN213993573U - Blood collection device for blood internal medicine capable of preventing needle body from dropping out - Google Patents
Blood collection device for blood internal medicine capable of preventing needle body from dropping out Download PDFInfo
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- CN213993573U CN213993573U CN202021985400.XU CN202021985400U CN213993573U CN 213993573 U CN213993573 U CN 213993573U CN 202021985400 U CN202021985400 U CN 202021985400U CN 213993573 U CN213993573 U CN 213993573U
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a blood collecting device for a blood medicine, which can prevent a needle body from dropping off and comprises a needle cylinder, wherein two chutes are arranged on the side wall of the needle cylinder, and a spring is arranged in the cavity of the needle cylinder; a first needle sleeve is arranged in the cavity of the needle cylinder, a first stop block is arranged at the top end of the first needle sleeve, and a second stop block is arranged below the first stop block; the first needle sleeve is sleeved with a movable piece. This blood collection system for blood internal medicine that can prevent the needle body from deviating from cup joints on first needle jacket through with the movable block to with the movable block joint in the clearance of first dog and second dog, still be provided with the spring between the interior diapire through second dog and cylinder, two stoppers that set up on two U type spouts that set up on the cylinder outer wall correspond the block with the movable block, the syringe needle can keep stretching out the state when having reached the blood drawing, effect in the syringe needle withdrawal cylinder after using up.
Description
Technical Field
The utility model relates to the technical field, specifically be a blood collection system for blood internal medicine that can prevent that the needle body from deviating from.
Background
The disease that hematology department specialty mainly treated hematopoietic system appears, and the blood taking needle belongs to the medical appliances among the hematology department, is used for gathering blood sample mainly in clinical medical treatment inspection process, but current blood taking needle is after using up, and the sheath can take place to drop sometimes, and medical personnel can suffer the unexpected injury of contaminated needle point, brings the hidden danger for medical personnel's personal safety.
China published invention publication no: the blood collecting device for the blood medicine capable of preventing the needle body from falling off disclosed in CN110151197A is characterized in that a slide block is connected to the side surface of the needle head, and the end part of a spring is connected with the slide block, so that the effect that the needle head retracts into a needle cylinder through the spring after the needle head is used up is achieved; however, when the clinical medical staff collects blood samples, after the blood sampling position is found accurately, the needle head is required to be pushed by hands all the time in the blood sampling process while the needle cylinder is kept stable, the extending state of the needle head is kept, the working steps of the medical staff are increased, the operation difficulty of the blood sampling operation is increased, and the shortcoming of inconvenience in use is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The blood collection system for the blood internal medicine that can prevent the needle body from deviating from, the utility model provides a can prevent blood collection system for the blood internal medicine that the needle body from deviating from who provides has solved among the above-mentioned background art current blood collection system for the blood internal medicine that can prevent the needle body from deviating from need push the needle always with the hand in the in-process of drawing blood and keep the state of stretching out of syringe needle, has increased medical personnel's the operation degree of difficulty, leads to it to have and uses inconvenient shortcoming.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a blood collecting device capable of preventing a needle body from falling off for a blood medicine department comprises a needle cylinder, wherein a first through hole is formed in the top end of the needle cylinder, a second through hole is formed in the bottom end of the needle cylinder, two sliding grooves are formed in the side wall of the needle cylinder, and a spring is arranged in a cavity of the needle cylinder; a first needle sleeve is arranged in the cavity of the needle cylinder, a first stop block is arranged at the top end of the first needle sleeve, a second stop block is arranged below the first stop block, and a first needle head is arranged below the first needle sleeve; the first needle sleeve is sleeved with a movable piece, and two limiting blocks are arranged on the side surface of the movable piece; the first needle sleeve is connected with a catheter; one end of the catheter is connected to the first needle sleeve, the other end of the catheter is connected to the second needle sleeve, and a second needle head is arranged below the second needle sleeve; the second needle head penetrates through the rubber plug; a blood sampling tube is arranged below the rubber plug, and the top end of the blood sampling tube is provided with a tube edge; the outer part of the blood sampling tube is provided with a sterilizing device, and the sterilizing device is provided with a plurality of placing grooves and sterilizing grooves.
Further, the diameter of the first through hole is the same as the outer diameter of the catheter, and the diameter of the second through hole is the same as the outer diameter of the first needle; the two sliding grooves are both U-shaped grooves with longer grooves and shorter grooves and are correspondingly arranged on the side wall of the needle cylinder; the bottom end of the spring is connected to the inner bottom wall of the needle cylinder, the top end of the spring is connected to the bottom surface of the second stop block, and the inner diameter of the spring is larger than the outer diameter of the needle sleeve.
Furthermore, the first stop dog and the second stop dog are both fixedly connected to the outer side wall of the first needle sleeve.
Furthermore, the movable piece is clamped in a gap between the first stop block and the second stop block; two the stopper all corresponds the setting on the side of moving part, two the stopper respectively with two the corresponding block of spout.
Furthermore, the rubber plug is clamped at the opening of the blood sampling tube.
Furthermore, a plurality of placing grooves are formed in the top surface of the disinfection device in a linear array, and the blood sampling tube is installed in one placing groove of the disinfection device.
Furthermore, the blood sampling tube is made of transparent medical glass materials.
(III) advantageous effects
The utility model provides a blood collection system for blood internal medicine that can prevent that the needle body from deviating from possesses following beneficial effect:
according to the blood collecting device for the blood medicine, which can prevent the needle body from falling off, the movable block is sleeved on the first needle sleeve and clamped in the gap between the first stop block and the second stop block, the spring is arranged between the second stop block and the inner bottom wall of the needle cylinder, two U-shaped chutes formed in the outer wall of the needle cylinder are correspondingly clamped with two limiting blocks arranged on the movable block, so that the needle head can keep an extending state when blood is drawn, and the needle head retracts into the needle cylinder after the needle head is used up; through set up a plurality of standing grooves and disinfection groove at degassing unit, reached a plurality of standing grooves with the blood sampling section of thick bamboo of just taking a blood sample fixed with the blood sampling section of thick bamboo that finishes collecting the blood sample and deposited the effect and the disinfection groove deposit article such as medical alcohol and the aseptic cotton ball of disinfection usefulness.
Drawings
FIG. 1 is a schematic structural view of the blood collecting device for blood medicine of the present invention for preventing the needle body from coming off;
FIG. 2 is a schematic view of a part of the structure of the blood collecting device for blood medicine of the present invention for preventing the needle body from coming off;
FIG. 3 is a schematic structural view showing a state of use of the syringe of the blood collection device for hematological department of the present invention, wherein the syringe body can be prevented from coming off;
FIG. 4 is a schematic structural view showing another state of use of the syringe of the blood collection device for hematological department of the present invention, in which the needle body can be prevented from coming off;
FIG. 5 is a sectional view showing a state of use of the cylinder of the blood collection device for hematological department of the present invention in which the needle body can be prevented from coming off;
FIG. 6 is a cross-sectional view showing another state of use of the cylinder of the blood collection device for hematological department of the present invention, in which the needle body can be prevented from coming off;
FIG. 7 is an exploded view of the syringe barrel of the blood collecting device for blood medicine for preventing the needle body from coming off;
fig. 8 is a sectional view of the blood sampling tube of the blood collecting device for the blood medicine of the utility model, which can prevent the needle body from being separated.
In the figure: the needle cylinder 1, the first through hole 11, the second through hole 12, the sliding groove 13, the spring 14, the first needle sleeve 2, the first stopper 21, the second stopper 22, the first needle 23, the movable block 3, the stopper 31, the catheter 4, the second needle sleeve 5, the second needle 51, the rubber stopper 6, the blood sampling tube 7, the tube edge 71, the sterilizing device 8, the placing groove 81 and the sterilizing groove 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-8, the present invention provides a technical solution:
a blood collecting device for a blood medicine capable of preventing a needle body from falling off comprises a needle cylinder 1, wherein a first through hole 11 is formed in the top end of the needle cylinder 1, a second through hole 12 is formed in the bottom end of the needle cylinder 1, the diameter of the first through hole 11 is the same as the outer diameter of a catheter 4, and the diameter of the second through hole 12 is the same as the outer diameter of a first needle 23; two sliding chutes 13 are formed in the side wall of the needle cylinder 1, and each of the two sliding chutes 13 is a U-shaped groove with a longer groove and a shorter groove, and is correspondingly formed in the side wall of the needle cylinder 1; a spring 14 is arranged in the cavity of the needle cylinder 1, the bottom end of the spring 14 is connected to the inner bottom wall of the needle cylinder 1, the top end of the spring 14 is connected to the bottom surface of the second stop block 22, and the inner diameter of the spring 14 is larger than the outer diameter of the needle sleeve 2; a first needle sleeve 2 is arranged in a cavity of the needle cylinder 1, a first stop block 21 is arranged at the top end of the first needle sleeve 2, a second stop block 22 is arranged below the first stop block 21, the first stop block 21 and the second stop block 22 are both fixedly connected to the outer side wall of the first needle sleeve 2, and a first needle 23 is arranged below the first needle sleeve 2; the first needle sleeve 2 is sleeved with a movable piece 3, the movable piece 3 is clamped in a gap between a first stop block 21 and a second stop block 22, two limit blocks 31 are arranged on the side surface of the movable piece 3, the two limit blocks 31 are correspondingly arranged on the side surface of the movable piece 3, and the two limit blocks are correspondingly clamped with the two sliding grooves 13 respectively; the first needle sleeve 2 is connected with a catheter 4; one end of the catheter 4 is connected to the first needle sleeve 2, the other end of the catheter 4 is connected to the second needle sleeve 5, and a second needle 51 is arranged below the second needle sleeve 5; the second needle 51 is penetrated with the rubber plug 6; a blood sampling tube 7 is arranged below the rubber plug 6, the rubber plug 6 is clamped at the opening of the blood sampling tube 7, a tube edge 71 is arranged at the top end of the blood sampling tube 7, and the blood sampling tube 7 is made of transparent medical glass material; the outer portion of the blood collection tube 7 is provided with a sterilizing device 8, the sterilizing device 8 is provided with a plurality of placing grooves 81 and sterilizing grooves 82, the placing grooves 81 are arranged on the top surface of the sterilizing device 8 in a linear array, and the blood collection tube 7 is arranged in one placing groove 81 of the sterilizing device 8.
According to the working principle, when the blood collecting device for the blood medicine capable of preventing the needle body from falling off is used, the second needle head 51 penetrates through the rubber plug 6 and extends into the blood collecting cylinder 7, and then the blood collecting cylinder 7 is placed in the placing groove 81 to keep the position fixed; then slide stopper 31 in the longer groove of spout 13 downwards, drive first needle cannula 2 and move downwards, at this moment first needle 23 stretches out from cylinder 1 through second through-hole 12, then slide stopper 31 to the shorter groove of spout 13, because the effort of spring 14, stopper 31 block is in the shorter groove of spout 13, and drive first needle cannula 2 position fixation, at this moment first needle 23 keeps the state of stretching out, conveniently carry out the blood test to the patient; after the blood is pumped, the limiting block 31 slides to a longer groove from a shorter groove of the sliding groove 13, the first needle sleeve 2 is driven to move upwards due to the acting force of the spring 14, and at the moment, the first needle 23 retracts into the needle cylinder 1 and keeps the retracted state, so that accidental injury to medical personnel can not be caused.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A blood collecting device capable of preventing a needle body from falling off for a blood medicine department comprises a needle cylinder (1) and is characterized in that a first through hole (11) is formed in the top end of the needle cylinder (1), a second through hole (12) is formed in the bottom end of the needle cylinder (1), two sliding chutes (13) are formed in the side wall of the needle cylinder (1), and a spring (14) is arranged in a cavity of the needle cylinder (1); a first needle sleeve (2) is arranged in a cavity of the needle cylinder (1), a first stop block (21) is arranged at the top end of the first needle sleeve (2), a second stop block (22) is arranged below the first stop block (21), and a first needle head (23) is arranged below the first needle sleeve (2); the first needle sleeve (2) is sleeved with a movable piece (3), and two limiting blocks (31) are arranged on the side surface of the movable piece (3); the first needle sleeve (2) is connected with a catheter (4); one end of the catheter (4) is connected to the first needle sleeve (2), the other end of the catheter (4) is connected to the second needle sleeve (5), and a second needle (51) is arranged below the second needle sleeve (5); the second needle (51) penetrates through the rubber plug (6); a blood sampling tube (7) is arranged below the rubber plug (6), and the top end of the blood sampling tube (7) is provided with a tube edge (71); a disinfection device (8) is arranged outside the blood collection cylinder (7), and the disinfection device (8) is provided with a plurality of placing grooves (81) and disinfection grooves (82).
2. A blood collection device for blood medical department capable of preventing needle body from dropping out according to claim 1, characterized in that the diameter of the first through hole (11) is the same as the outer diameter of the catheter (4), and the diameter of the second through hole (12) is the same as the outer diameter of the first needle (23); the two sliding grooves (13) are both U-shaped grooves with longer grooves and shorter grooves and are correspondingly arranged on the side wall of the needle cylinder (1); the bottom end of the spring (14) is connected to the inner bottom wall of the needle cylinder (1), the top end of the spring (14) is connected to the bottom surface of the second stop block (22), and the inner diameter of the spring (14) is larger than the outer diameter of the needle sleeve (2).
3. The blood collection device for the hematological department capable of preventing the needle body from falling off as claimed in claim 1, wherein the first stop (21) and the second stop (22) are both fixedly connected to the outer sidewall of the first needle sheath (2).
4. The blood collection device for the hematological department capable of preventing the needle body from falling off according to claim 1, wherein the movable member (3) is clamped in a gap between the first stop (21) and the second stop (22); two stopper (31) all correspond the setting on the side of moving part (3), two the stopper respectively with two the corresponding block of spout (13).
5. The blood collection device for department of hematology capable of preventing the needle body from falling off according to claim 1, characterized in that the rubber plug (6) is clamped at the opening of the blood collection tube (7).
6. A blood collection device for hematological department capable of preventing needle body dislodgment according to claim 1, wherein a plurality of said placement grooves (81) are opened on the top surface of the sterilizing device (8) in a linear array, and said blood collection cartridge (7) is installed in one placement groove (81) of the sterilizing device (8).
7. The blood collection device for the hematological department capable of preventing the needle body from falling off according to claim 1, wherein the blood collection tube (7) is made of a transparent medical glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985400.XU CN213993573U (en) | 2020-09-11 | 2020-09-11 | Blood collection device for blood internal medicine capable of preventing needle body from dropping out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985400.XU CN213993573U (en) | 2020-09-11 | 2020-09-11 | Blood collection device for blood internal medicine capable of preventing needle body from dropping out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213993573U true CN213993573U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021985400.XU Active CN213993573U (en) | 2020-09-11 | 2020-09-11 | Blood collection device for blood internal medicine capable of preventing needle body from dropping out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213993573U (en) |
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2020
- 2020-09-11 CN CN202021985400.XU patent/CN213993573U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221125 Address after: Room A1321, Building 3, No. 235, Yuanhe Road, Baoshan District, Shanghai, 2019 Patentee after: Shanghai Lingshi Medical Technology Co.,Ltd. Address before: 510310 No. 118, Chigang North Road, Haizhu District, Guangzhou, Guangdong Patentee before: Zheng Chunlong |