CN215191600U - Blood sampling needle head clamping structure - Google Patents
Blood sampling needle head clamping structure Download PDFInfo
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- CN215191600U CN215191600U CN202120072664.4U CN202120072664U CN215191600U CN 215191600 U CN215191600 U CN 215191600U CN 202120072664 U CN202120072664 U CN 202120072664U CN 215191600 U CN215191600 U CN 215191600U
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- needle
- syringe needle
- stop gear
- mount pad
- mounting groove
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Abstract
The utility model discloses a blood sampling syringe needle clamping structure, including syringe needle mount pad and needle handle, the syringe needle mount pad is installed on the arm, the needle handle is installed on the syringe needle mount pad, set up stop gear on the needle handle, set up the stop gear mounting groove on the syringe needle mount pad, stop gear cooperatees with the stop gear mounting groove, set up spacing fin on the needle handle. The utility model discloses a set up stop gear on the needle handle, set up the stop gear mounting groove on the syringe needle mount pad, stop gear cooperatees with the stop gear mounting groove to make the syringe needle can not remove at the puncture fore-and-aft direction. Through setting up spacing fin, and spacing fin is half at least and the laminating of syringe needle mount pad to when the manipulator operation puncture, the angle of syringe needle also can not rotate. The needle head is limited in the puncture direction, the installation angle is limited, the needle head is not deviated during puncture, and the puncture blood sampling precision is improved.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to blood sampling syringe needle clamping structure.
Background
The blood taking needle is a commonly used medical instrument, and is used for puncturing the vein of a patient to obtain a blood sample for biochemical examination in a laboratory, the blood taking operation has certain requirements on the collection proficiency of medical staff, and the collection workload is large. With the development of medical technology, automatic blood taking needles appear, and patients can take blood automatically only by placing arms at fixed positions.
The patent of application number 201821515456.1 discloses a disposable automatic blood taking needle that has locate function, including blood taking needle body and micro cylinder, the inside top surface welding of blood taking needle body has micro cylinder, and the inside sliding connection of micro cylinder has a piston rod, the ejector pin casket inlet port has been seted up to blood taking needle body side. The utility model discloses in, the ejector pin casket has been set up, the ejector pin of different length is changed to user's accessible pulling ejector pin casket, ejector pin casket card blocks the space between the ejector pin groove and prevents that the ejector pin casket from taking place to shift, the ejector pin groove of convenient location, because the ejector pin casket inside that sets up is equipped with a plurality of ejector pin grooves, ejector pin inslot portion is equipped with the ejector pin of a plurality of length types, because micro cylinder's piston rod extension length is certain, the ejector pin of different length has decided the extension length of syringe needle, the extension length of syringe needle has decided the degree of depth that the syringe needle pierces skin, the setting of many length types ejector pin, can fix a position syringe needle extension length.
However, in the process of puncturing the needle, the position of the needle is easy to cause the forward and backward displacement of the needle or the change of the clamping angle of the needle due to the fact that the clamping of the device to the needle is not firm enough, and the blood sampling precision is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a blood sampling syringe needle clamping structure to solve current blood sampling syringe needle position easily because equipment is firm inadequately to the syringe needle centre gripping, lead to the syringe needle to shift around, perhaps syringe needle centre gripping angle changes, influences the problem of blood sampling precision.
(II) technical scheme
Solve current blood taking needle syringe needle position because equipment is firm inadequately to the syringe needle centre gripping easily for realizing above-mentioned blood taking needle clamping structure, lead to the syringe needle to shift around, perhaps syringe needle centre gripping angle changes, influences the problem of blood sampling precision, the utility model provides a following technical scheme:
the utility model provides a blood sampling syringe needle clamping structure, includes syringe needle mount pad and needle handle, the syringe needle mount pad is installed on the arm, the needle handle is installed on the syringe needle mount pad, set up stop gear on the needle handle, set up the stop gear mounting groove on the syringe needle mount pad, stop gear cooperatees with the stop gear mounting groove, set up spacing fin on the needle handle.
Preferably, the front end of the needle handle is provided with a needle head, and the rear end of the needle handle is provided with a blood sampling pipe joint.
Preferably, the limiting mechanism is a cylindrical limiting ring sleeved on the outer side of the needle handle.
Preferably, the needle mounting seat is a mounting seat with two side clamping structures, and each side clamping structure is provided with a semicircular limiting mechanism mounting groove.
Preferably, at least half of the limiting wing panel is attached to the needle mounting seat.
(III) advantageous effects
Compared with the prior art, the utility model provides a blood sampling syringe needle clamping structure possesses following beneficial effect:
1. the utility model discloses a set up stop gear on the needle handle, set up the stop gear mounting groove on the syringe needle mount pad, stop gear cooperatees with the stop gear mounting groove to make the syringe needle can not the back-and-forth movement when the puncture, improve puncture stability and precision.
2. Through setting up spacing fin, and spacing fin is half at least and the laminating of syringe needle mount pad to when the manipulator operation puncture, the angle of syringe needle just can not rotate yet, improves puncture blood sampling precision.
Drawings
Fig. 1 is a schematic top view of a blood sampling needle head clamping structure of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is the utility model relates to a side view structure schematic diagram of blood sampling syringe needle clamping structure.
In the figure: 1. a needle head; 2. a needle handle; 3. a limiting wing panel; 4. a limiting mechanism mounting groove; 5. a limiting mechanism; 6. a blood sampling tube joint; 7. a needle mounting base; 8. a robotic arm.
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. Based on the embodiments in 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.
As shown in fig. 1, 2 and 3, a blood sampling needle clamping structure comprises a needle head mounting seat 7 and a needle handle 2, wherein the needle head mounting seat 7 is mounted on a mechanical arm 8, the needle handle 2 is mounted on the needle head mounting seat 7, a limiting mechanism 5 is arranged on the needle handle 2, a limiting mechanism mounting groove 4 is arranged on the needle head mounting seat 7, the limiting mechanism 5 is matched with the limiting mechanism mounting groove 4, and a limiting fin 3 is arranged on the needle handle 2.
In this embodiment, the front end of the needle handle 2 is provided with the needle head 1, the rear end of the needle handle 2 is provided with the blood collection tube joint 6, and when the needle head 1 is inserted into a blood vessel, blood can be conveyed into the blood storage device through the blood collection tube behind the blood collection tube joint 6.
In this embodiment, the limiting mechanism 5 is a cylindrical limiting ring sleeved outside the needle handle 2, the needle head mounting seat 7 is a mounting seat of the clamping structures on two sides, and each clamping structure on one side is provided with a semicircular limiting mechanism mounting groove 4. As shown in fig. 1 and 2, when the cylindrical spacing ring is clamped in the spacing mechanism mounting groove 4, the spacing mechanism mounting groove 4 limits the front-back movement direction of the cylindrical spacing ring, so that the needle head 1 cannot move back and forth during puncturing.
In this embodiment, at least half of the limiting wing pieces 3 are attached to the needle mounting base 7, so that the limiting wing pieces 3 cannot rotate in the rotating direction of the mechanical arm 8, and therefore, the angle of the needle 1 cannot rotate even when the mechanical arm operates to puncture.
To sum up, the utility model discloses a set up stop gear 5 on needle handle 2, set up stop gear mounting groove 4 on syringe needle mount pad 7, stop gear 5 cooperatees with stop gear mounting groove 4 to make the syringe needle can not remove at the puncture fore-and-aft direction. Through setting up spacing fin 3, and spacing fin 3 is half at least and the laminating of syringe needle mount pad 7 to when the manipulator operation puncture, the angle of syringe needle 1 also can not rotate. The needle head is limited in the puncture direction, the installation angle is limited, the needle head is not deviated during puncture, and the puncture blood sampling precision is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a blood sampling syringe needle clamping structure which characterized in that: including syringe needle mount pad (7) and needle handle (2), install on arm (8) syringe needle mount pad (7), install on syringe needle mount pad (7) needle handle (2), set up stop gear (5) on needle handle (2), set up stop gear mounting groove (4) on syringe needle mount pad (7), stop gear (5) cooperate with stop gear mounting groove (4), set up stop fin (3) on needle handle (2).
2. The lancet head holding structure according to claim 1, wherein: the front end of the needle handle (2) is provided with a needle head (1), and the rear end of the needle handle (2) is provided with a blood sampling pipe joint (6).
3. The lancet head holding structure according to claim 1, wherein: the limiting mechanism (5) is a cylindrical limiting ring sleeved on the outer side of the needle handle (2).
4. The lancet head holding structure according to claim 1, wherein: the needle mounting seat (7) is a mounting seat with clamping structures on two sides, and a semicircular limiting mechanism mounting groove (4) is formed in each clamping structure on each side.
5. The lancet head holding structure according to claim 1, wherein: at least half of the limiting wing pieces (3) are attached to the needle head mounting seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120072664.4U CN215191600U (en) | 2021-01-12 | 2021-01-12 | Blood sampling needle head clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120072664.4U CN215191600U (en) | 2021-01-12 | 2021-01-12 | Blood sampling needle head clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215191600U true CN215191600U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120072664.4U Active CN215191600U (en) | 2021-01-12 | 2021-01-12 | Blood sampling needle head clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215191600U (en) |
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2021
- 2021-01-12 CN CN202120072664.4U patent/CN215191600U/en active Active
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