CN215687873U - 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
- Publication number
- CN215687873U CN215687873U CN202120613762.4U CN202120613762U CN215687873U CN 215687873 U CN215687873 U CN 215687873U CN 202120613762 U CN202120613762 U CN 202120613762U CN 215687873 U CN215687873 U CN 215687873U
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- Prior art keywords
- wall
- needle
- blood
- conical gear
- screw rod
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- Expired - Fee Related
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- 239000008280 blood Substances 0.000 title claims abstract description 67
- 210000004369 blood Anatomy 0.000 title claims abstract description 67
- 239000003814 drug Substances 0.000 title claims abstract description 8
- 230000002489 hematologic effect Effects 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims 2
- 229960002897 heparin Drugs 0.000 claims 2
- 229920000669 heparin Polymers 0.000 claims 2
- 238000010241 blood sampling Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014951 hematologic disease Diseases 0.000 description 1
- 210000000777 hematopoietic system Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a blood collecting device for a blood medicine, which can prevent a needle body from falling off and relates to the technical field of medical instruments. According to the utility model, the screw rod, the first conical gear, the second conical gear and the sliding block are arranged, the screw rod rotates under the action of the threads on the outer wall of the screw rod to enable the sliding block to move outwards, so that the needle cylinder and the blood taking needle are driven to move outwards, and then blood can be drawn and tested for a patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a blood collecting device for a blood medical department, which can prevent a needle body from falling off.
Background
The hematology branch of the internal medicine is mainly used for treating the problem of a hematopoietic system, the hematology branch can also provide professional services and develop multiple technical tests for the hematology problem of a plurality of non-blood diseases, the blood taking needle belongs to a medical appliance in the hematology branch, be used for collecting blood samples in the medical examination process, mainly comprise a needle head and a needle rod, when an operator holds the needle tube by hand and presses the head of the blood taking needle on the limb of a patient, the sheath retracts under the elastic action of skin, the needle head protrudes and punctures the skin to cause micro-wound, after the blood taking needle is pulled out, the sheath resets again under the effect of reset elastic force and covers the needle head to avoid the needle head to be exposed to be polluted or accidentally stabbed the human body.
The 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 the needle point that is polluted, leads to the propagation of blood source nature disease, brings the hidden danger for medical personnel's personal safety, and the project according to the chemical examination generally needs three to five different blood sampling tube blood sampling chemical examinations during the blood sampling moreover, and when the blood sampling number is more, so many blood sampling tube need distinguish through the bar code on surface when the nurse distinguishes, and is more troublesome.
SUMMERY OF THE UTILITY MODEL
Accordingly, the present invention is directed to provide a blood collection device for a blood medicine, which can prevent a needle body from coming off, and solve the problems that a sheath may come off after a blood collection needle is used up, and a nurse should distinguish the blood collection needle by a bar code on the surface, which is troublesome.
In order to achieve the purpose, the utility model provides the following technical scheme: a blood collecting device for a blood medicine capable of preventing a needle body from being separated comprises a needle sleeve, wherein a lead screw is connected to the inner wall of the needle sleeve, a first conical gear is connected to the top end of the lead screw, a slide rod is connected to one side, located on the lead screw, of the inner wall of the needle sleeve, a needle cylinder extending into the needle sleeve is connected to the outer wall of the needle sleeve, sliders are connected to two sides of the needle cylinder, a fixing part is connected to the top end of the needle cylinder, a blood taking needle is connected to one end of the fixing part, a second conical gear is connected to the outer wall of the first conical gear, a handle is connected to the outer wall of the second conical gear through a rotating shaft, a catheter is connected to the bottom end of the needle cylinder, a blood sampling tube is connected to one end of the catheter, a connecting part is connected to one side of the top end of the blood sampling tube, a fixing ring is connected to the other side of the top end of the blood sampling tube, and a spring is connected to the outer wall of the blood sampling tube, located below the fixing ring, one end of the spring is connected with a bolt, and the outer wall of the bolt is connected with a push rod.
Preferably, the outer wall of the screw rod is provided with threads, and one sliding block is provided with a screw hole matched with the outer wall of the screw rod.
Preferably, the inner wall of the sliding block is matched with the outer wall of the sliding rod, and the outer wall of the second conical gear is meshed with the outer wall of the first conical gear.
Preferably, one end of the spring is welded with one end of the plug, and the other end of the spring is welded with the outer wall of the blood collection tube.
Preferably, the outer wall of the connecting piece is matched with the inner wall of the fixing ring, and the connecting piece is provided with a through hole matched with one end of the bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the screw rod, the first conical gear, the second conical gear and the sliding block, when a patient is subjected to blood drawing and testing, the handle is screwed, the handle rotates to drive the second conical gear to rotate, the second conical gear rotates to drive the first conical gear connected with the second conical gear to rotate, the first conical gear rotates to drive the screw rod to rotate, the screw rod rotates to enable the sliding block to move outwards under the action of threads on the outer wall of the screw rod, so that the needle cylinder and the blood taking needle are driven to move outwards, the patient can be subjected to blood drawing and testing, and when the needle cylinder and the blood taking needle are not used, the needle cylinder and the blood taking needle are positioned in the needle sleeve, so that medical personnel are prevented from being accidentally injured by the blood taking needle;
2. according to the utility model, through arranging the connecting pieces, the fixing rings and the springs, after blood is extracted into the plurality of blood sampling tubes, the push rod on one blood sampling tube is pushed, the push rod drives the plug pin to move to compress the springs, then the connecting piece of the other blood sampling tube is inserted into the fixing rings, then the push rod is loosened, and the plug pin enters the through hole of the connecting piece under the elastic force action of the springs, so that the blood sampling tubes containing the blood of the same patient are fixed together, and a nurse can conveniently distinguish the blood of different patients.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the needle hub of the present invention;
FIG. 3 is an enlarged view of the utility model at A in FIG. 1;
fig. 4 is a schematic structural view of the connector of the present invention.
In the figure: 1. a needle sleeve; 2. a first conical gear; 3. a screw rod; 4. a handle; 5. a second bevel gear; 6. a blood collection needle; 7. a slide bar; 8. a slider; 9. a needle cylinder; 10. a fixing member; 11. a conduit; 12. a blood collection tube; 13. a fixing ring; 14. a bolt; 15. a spring; 16. a push rod; 17. a connecting member.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1-4, a blood collection device for blood medicine capable of preventing a needle body from coming off comprises a needle sheath 1, the inner wall of the needle sheath 1 is connected with a screw rod 3, the top end of the screw rod 3 is connected with a first conical gear 2, one side of the inner wall of the needle sheath 1, which is positioned at the screw rod 3, is connected with a slide rod 7, the outer wall of the needle sheath 1 is connected with a needle cylinder 9 extending to the inside of the needle sheath 1, two sides of the needle cylinder 9 are connected with slide blocks 8, the top end of the needle cylinder 9 is connected with a fixing part 10, one end of the fixing part 10 is connected with a blood collection needle 6, the outer wall of the first conical gear 2 is connected with a second conical gear 5, the outer wall of the second conical gear 5 is connected with a handle 4 through a rotating shaft, the bottom end of the needle cylinder 9 is connected with a catheter 11, one end of the catheter 11 is connected with a blood collection tube 12, one side of the top end of the blood collection tube 12 is connected with a connecting part 17, the other side of the top end of the blood collection tube 12 is connected with a fixing ring 13, the outer wall of the blood collection tube 12 is located below the fixing ring 13 and is connected with a spring 15, one end of the spring 15 is connected with a bolt 14, and the outer wall of the bolt 14 is connected with a push rod 16.
Specifically, please refer to fig. 1, the outer wall of the screw rod 3 is provided with threads, and one sliding block 8 is provided with a screw hole matched with the outer wall of the screw rod 3.
Through adopting above-mentioned technical scheme, make lead screw 3 rotatory drive slider 8 reciprocate.
Specifically, please refer to fig. 1, the inner wall of the sliding block 8 is engaged with the outer wall of the sliding rod 7, and the outer wall of the second bevel gear 5 is engaged with the outer wall of the first bevel gear 2.
Through adopting above-mentioned technical scheme, make No. two bevel gear 5 rotate and drive No. one bevel gear 2 and rotate.
Specifically, please refer to fig. 3, one end of the spring 15 is welded to one end of the pin 14, and the other end of the spring 15 is welded to the outer wall of the blood collection tube 12.
By adopting the technical scheme, the bolt 14 is reset through the elastic force of the spring 15 after being pressed.
Specifically, please refer to fig. 1 and 4, the outer wall of the connecting member 17 is engaged with the inner wall of the fixing ring 13, and the connecting member 17 is provided with a through hole matching with one end of the pin 14.
By adopting the above technical solution, the plurality of blood collection tubes 12 are connected to the fixing ring 13 through the connecting member 17.
The working principle is as follows: when a patient is subjected to blood drawing and testing, the handle 4 is screwed, the handle 4 rotates to drive the second bevel gear 5 to rotate, the second bevel gear 5 rotates to drive the first bevel gear 2 connected with the second bevel gear 2 to rotate, the first bevel gear 2 rotates to drive the screw rod 3 to rotate, the screw rod 3 rotates to enable the sliding block 8 to move outwards under the action of threads on the outer wall of the screw rod, and further drives the needle cylinder 9 and the blood taking needle 6 to move outwards, so that the patient can be subjected to blood drawing and testing, when the needle cylinder 9 and the blood taking needle 6 are not used, the needle cylinder 9 and the blood taking needle 6 are positioned inside the needle sleeve 1, so that medical personnel are prevented from being accidentally injured by the blood taking needle 6, after blood is drawn into a plurality of blood taking tubes 12, the push rod 16 on one blood taking tube 12 is pushed, the push rod 16 drives the plug pin 14 to move to compress the spring 15, then the connecting piece 17 of the other blood taking tube 12 is inserted into the fixing ring 13, then the push rod 16 is loosened, and the plug pin 14 enters the through hole of the connecting piece 17 under the action of the elasticity of the spring 15, the blood collecting tubes 12 containing the blood of the same patient are fixed together, so that the nurse can distinguish the blood of different patients conveniently.
Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a can prevent blood collection system for internal medicine of blood that the needle body deviates from, includes needle cover (1), its characterized in that: the inner wall of the needle sleeve (1) is connected with a screw rod (3), the top end of the screw rod (3) is connected with a conical gear (2), one side, located on the screw rod (3), of the inner wall of the needle sleeve (1) is connected with a slide rod (7), the outer wall of the needle sleeve (1) is connected with a needle cylinder (9) extending to the interior of the needle sleeve (1), two sides of the needle cylinder (9) are connected with sliders (8), the top end of the needle cylinder (9) is connected with a fixing part (10), one end of the fixing part (10) is connected with a blood taking needle (6), the outer wall of the conical gear (2) is connected with a second-number conical gear (5), the outer wall of the second-number conical gear (5) is connected with a handle (4) through a rotating shaft, the bottom end of the needle cylinder (9) is connected with a catheter (11), one end of the catheter (11) is connected with a blood taking catheter (12), one side of the top end of the blood taking catheter (12) is connected with a connecting piece (17), the opposite side on heparin tube (12) top is connected with solid fixed ring (13), the below that the outer wall of heparin tube (12) is located solid fixed ring (13) is connected with spring (15), the one end of spring (15) is connected with bolt (14), the outer wall connection of bolt (14) has push rod (16).
2. The blood collection device for the hematological department capable of preventing the needle body from falling off as claimed in claim 1, wherein: the outer wall of the screw rod (3) is provided with threads, and one sliding block (8) is provided with a screw hole matched with the outer wall of the screw rod (3).
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 inner wall of the sliding block (8) is matched with the outer wall of the sliding rod (7), and the outer wall of the second conical gear (5) is meshed with the outer wall of the first conical gear (2).
4. The blood collection device for the hematological department capable of preventing the needle body from falling off as claimed in claim 1, wherein: one end of the spring (15) is welded with one end of the plug pin (14), and the other end of the spring (15) is welded with the outer wall of the blood collection tube (12).
5. The blood collection device for the hematological department capable of preventing the needle body from falling off as claimed in claim 1, wherein: the outer wall of connecting piece (17) agrees with mutually with the inner wall of solid fixed ring (13), and connecting piece (17) are provided with the through-hole with bolt (14) one end assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613762.4U CN215687873U (en) | 2021-03-26 | 2021-03-26 | 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 |
|---|---|---|---|
| CN202120613762.4U CN215687873U (en) | 2021-03-26 | 2021-03-26 | Blood collection device for blood internal medicine capable of preventing needle body from dropping out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215687873U true CN215687873U (en) | 2022-02-01 |
Family
ID=80013544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120613762.4U Expired - Fee Related CN215687873U (en) | 2021-03-26 | 2021-03-26 | Blood collection device for blood internal medicine capable of preventing needle body from dropping out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215687873U (en) |
-
2021
- 2021-03-26 CN CN202120613762.4U patent/CN215687873U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |