CN211534715U - Paediatrics waist puncture needle - Google Patents
Paediatrics waist puncture needle Download PDFInfo
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- CN211534715U CN211534715U CN202020129224.3U CN202020129224U CN211534715U CN 211534715 U CN211534715 U CN 211534715U CN 202020129224 U CN202020129224 U CN 202020129224U CN 211534715 U CN211534715 U CN 211534715U
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Abstract
The utility model relates to a pediatric lumbar puncture needle, which comprises a needle body and a transparent fixed cover, wherein the outer wall of the needle body is provided with scales, the head end of the transparent fixed cover is an open end, the tail end of the transparent fixed cover is provided with a through hole, and the needle end of the needle body is inserted into the transparent fixed cover from the through hole and extends out of the open end; the needle body is sleeved with a limiting block, the inner wall of the limiting block is connected with the outer wall of the needle body in a sliding and sealing mode, and the outer wall of the limiting block is connected with the inner wall of the through hole in a sealing mode; and the transparent fixed cover is provided with an air exhaust piston structure communicated with the inside of the transparent fixed cover. The utility model has the advantages that: the open end and the patient skin butt of transparent fixed cover are taken out and are drawn air exhaust piston structure, extract air in the transparent fixed cover for transparent fixed cover adsorbs on the infant, thereby avoids the action of infant and leads to rocking of needle body and drops even, improves the success rate and the security of waist wearing.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a paediatrics waist puncture needle.
Background
Lumbar puncture can be used for both diagnosis and therapy, and while lumbar puncture is rarely dangerous, once it occurs, it can be severe and even potentially life-threatening for the patient. Because the specifications of adults and children are different, the matching conditions of the used lumbar puncture needles are different, children are naturally active and can not extract the lumbar puncture needles as the same as the adults, if the activity range of a patient is large and the activity range of the patient is light when spinal fluid is extracted, complications are induced by wound infection, and the health of the patient is seriously affected. In addition, the spinal fluid is severely painful when being extracted, so that the children can easily move to a large extent, the puncture needle is easy to fall off, and unnecessary troubles are brought to patients and doctors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a paediatrics waist is worn needle is provided, simple structure can effectively avoid the in-process of wearing at the waist because of the action of infant leads to rocking of needle body, avoids the needle body to drop, improves the success rate that the waist was worn.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a pediatric lumbar puncture needle comprises a needle body and a transparent fixing cover, wherein scales are arranged on the outer wall of the needle body, the head end of the transparent fixing cover is an open end, a through hole is formed in the tail end of the transparent fixing cover, and the needle head end of the needle body is inserted into the transparent fixing cover from the through hole and extends out of the opening; the needle body is sleeved with a limiting block, the inner wall of the limiting block is connected with the outer wall of the needle body in a sliding and sealing mode, and the outer wall of the limiting block is connected with the inner wall of the through hole in a sealing mode; and the transparent fixed cover is provided with an air exhaust piston structure communicated with the inside of the transparent fixed cover.
The utility model has the advantages that: insert the position of the internal degree of depth regulation stopper of patient according to the needle body before the waist is worn, the stopper is to the distance of the syringe needle end of needle body for inserting the internal degree of depth of infant and transparent fixed cover open end to the distance sum between the through-hole, then carry out sealing connection with the inner wall of stopper and through-hole, disinfect to the waist portion of wearing, realize the waist and wear, the open end and the patient skin butt of transparent fixed cover, the pumping piston structure of bleeding, extract air in the transparent fixed cover, make transparent fixed cover adsorb on the infant is on one's body, thereby avoid the action of infant and lead to rocking of needle body and even drop, improve the success rate and the security of waist and wear.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the air exhaust piston structure comprises a piston tube which is arranged outside the transparent fixed cover and one end of which is communicated with the inside of the transparent fixed cover, a piston body is connected in the piston tube in a sealing and sliding manner, one end of the piston body, far away from the transparent fixed cover, is fixedly connected with one end of a piston rod, the other end of the piston rod extends out from one end of the piston tube, far away from the transparent fixed cover, and a limiting part for preventing the piston body from being separated from the piston tube is arranged at one end of the piston tube, far away from the transparent fixed cover.
The beneficial effect of adopting the further scheme is that: realize the removal of piston body through the push-and-pull piston rod to realize extracting the air in the transparent fixed cover or to injecting the air in the transparent fixed cover, when open end and infant skin butt, if extract gas in the transparent fixed cover, make and form the negative pressure in the transparent fixed cover, transparent fixed cover adsorbs on one's body the infant, when injecting the air in to the transparent fixed cover, makes transparent fixed cover internal gas pressure the same with external atmospheric pressure, and transparent fixed cover can break away from the infant.
Furthermore, the limiting block comprises a cylindrical portion and a blocking portion, one end of the cylindrical portion is integrally and fixedly connected with one end of the blocking portion, the needle head end of the needle body sequentially penetrates through and extends out of the blocking portion and the cylindrical portion, external threads are arranged on the outer wall of the cylindrical portion, internal threads are arranged on the inner wall of the through hole, and the cylindrical portion is in threaded connection with the inner wall of the through hole.
The beneficial effect of adopting the further scheme is that: through cylinder and through-hole internal thread connection, carry on spacingly through keeping off the portion, realize the stopper and the fixed connection dismantled of through-hole inner wall, realize fixing the needle body to a certain extent.
Furthermore, the limiting block is made of rubber or silica gel.
The beneficial effect of adopting the further scheme is that: the rubber or silica gel material has good sealing performance.
Further, a sealing ring is arranged at the port of the opening end of the transparent fixing cover.
The beneficial effect of adopting the further scheme is that: the sealing performance of the opening end and the skin of the infant after being abutted can be improved by arranging the sealing ring.
Furthermore, one end of the needle body, which is far away from the needle head end, is provided with a handheld part.
The beneficial effect of adopting the further scheme is that: the handheld part is convenient for a doctor to hold.
Furthermore, an anti-slip layer is arranged on the outer wall of the handheld portion.
The beneficial effect of adopting the further scheme is that: the anti-skid property of the doctor hand is improved by the arrangement of the anti-skid layer.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the needle body, 2, transparent fixed cover, 3, open end, 4, through-hole, 5, piston pipe, 6, piston body, 7, piston rod, 8, spacing portion, 9, cylinder portion, 10, fender portion, 11, sealing washer, 12, handheld portion.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the embodiment of the present invention includes a needle body 1 and a transparent fixing cover 2, in this embodiment, the shape of the transparent fixing cover 2 is cylindrical or square, the outer wall of the needle body 1 is provided with scales, the starting point of the scales is at the end of the needle head end of the needle body 1, the head end of the transparent fixing cover 2 is an open end 3, the tail end of the transparent fixing cover 2 is provided with a through hole 4, the needle head end of the needle body 1 is inserted into the transparent fixing cover 2 from the through hole 4 and extends out from the opening; the needle body 1 is sleeved with a limiting block, the inner wall of the limiting block is connected with the outer wall of the needle body 1 in a sliding and sealing mode, a certain friction force exists between the inner wall of the limiting block and the outer wall of the needle body 1, preferably, when the relative acting force between the limiting block and the needle body is small, relative movement cannot occur, and the outer wall of the limiting block is connected with the inner wall of the through hole 4 in a sealing mode; and an air exhaust piston structure communicated with the inside of the transparent fixed cover 2 is arranged on the transparent fixed cover 2. This embodiment simple structure can effectively avoid the in-process of wearing at the waist to lead to rocking of needle body 1 because of the action of infant, avoids needle body 1 to drop, improves the success rate of waist wearing.
Preferably, in this embodiment, the air-extracting piston structure includes a piston tube 5 disposed outside the transparent fixing cover 2 and having one end communicating with the inside of the transparent fixing cover 2, a piston body 6 is connected to the inside of the piston tube 5 in a sealing and sliding manner, the inner wall of the piston tube 5 is smooth, the piston body 6 is made of rubber, one end of the piston body 6 away from the transparent fixing cover 2 is fixedly connected to one end of a piston rod 7, the other end of the piston rod 7 extends out from one end of the piston tube 5 away from the transparent fixing cover 2, one end of the piston tube 5 away from the transparent fixing cover 2 is provided with a limiting portion 8 for preventing the piston body 6 from separating from the piston tube 5, in this embodiment, the limiting portion 8 is a sealing cover structure integrally connected to one end of the piston tube 5 away from the transparent fixing cover 2, and the limiting portion 8 is provided with a through hole, the piston rod 7 passes through and extends out of the through hole. Realize the removal of piston body 6 through push-and-pull piston rod 7 to realize extracting the air in the transparent fixed cover 2 or to injecting the air in the transparent fixed cover 2, when open end 3 and infant skin butt, if extract the interior gas of transparent fixed cover 2, make transparent fixed cover 2 interior formation negative pressure, transparent fixed cover 2 adsorbs on one's body the infant, when injecting the air in to transparent fixed cover 2, make the interior gas pressure of transparent fixed cover 2 the same with external atmospheric pressure, transparent fixed cover 2 can break away from the infant.
The preferred embodiment is: the limiting block comprises a cylindrical portion 9 and a blocking portion 10, the periphery of the blocking portion 10 protrudes out of the outer wall of the cylindrical portion 9, the blocking portion 10 is abutted to one end face of the transparent fixing cover 2 far away from the open end 3, one end of the cylindrical portion 9 is integrally and fixedly connected with one end of the blocking portion 10, the needle head end of the needle body 1 sequentially penetrates through and extends out of the blocking portion 10 and the cylindrical portion 9, external threads are arranged on the outer wall of the cylindrical portion 9, internal threads are arranged on the inner wall of the through hole 4, and the cylindrical portion 9 is in threaded connection with the inner wall of the through hole 4. Through cylinder and 4 inside threaded connection of through-hole, carry on spacingly through fender portion 10, realize the stopper and 4 inner walls of through-hole can dismantle fixed connection, realize fixing needle body 1 to a certain extent.
Preferably, the stopper is rubber or silica gel material, and the leakproofness of rubber or silica gel material is good. The port of the opening end 3 of the transparent fixing cover 2 is provided with a sealing ring 11, and the sealing performance of the opening end 3 after being abutted to the skin of the infant can be improved by the sealing ring 11. One of needle body 1 keep away from the needle head end is served and is equipped with handheld portion 12, be equipped with the skid resistant course on the outer wall of handheld portion 12, the doctor's of being convenient for is handheld in the setting of handheld portion 12, and the skid resistant course sets up the antiskid nature that improves the doctor and hand.
The utility model discloses insert the position of the internal degree of depth regulation stopper of patient according to needle body 1 before the waist is worn, stopper to the syringe needle end of needle body 1 the distance for inserting the internal degree of depth of infant and the distance sum between transparent fixed cover 2 open end 3 to through-hole 4, then carry out sealing connection with the inner wall of stopper and through-hole 4, disinfect to the waist portion of wearing, realize the waist and wear, open end 3 and patient skin butt of transparent fixed cover 2, the piston structure of bleeding is twitched, extract the interior air of transparent fixed cover 2, make transparent fixed cover 2 adsorb on the infant, thereby avoid the action of infant and lead to rocking of needle body 1 and drop even, improve the success rate and the security of waist and wear.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The pediatric lumbar puncture needle is characterized by comprising a needle body (1) and a transparent fixing cover (2), scales are arranged on the outer wall of the needle body (1), the head end of the transparent fixing cover (2) is an opening end (3), a through hole (4) is formed in the tail end of the transparent fixing cover (2), and the needle end of the needle body (1) is inserted into the transparent fixing cover (2) from the through hole (4) and extends out of the opening; the needle body (1) is sleeved with a limiting block, the inner wall of the limiting block is connected with the outer wall of the needle body (1) in a sliding and sealing mode, and the outer wall of the limiting block is connected with the inner wall of the through hole (4) in a sealing mode; and an air exhaust piston structure communicated with the inside of the transparent fixed cover (2) is arranged on the transparent fixed cover (2).
2. The pediatric lumbar puncture needle according to claim 1, wherein the air suction piston structure comprises a piston tube (5) which is arranged outside the transparent fixed cover (2) and one end of which is communicated with the inside of the transparent fixed cover (2), a piston body (6) is connected in the piston tube (5) in a sealing and sliding manner, one end of the piston body (6) far away from the transparent fixed cover (2) is fixedly connected with one end of a piston rod (7), the other end of the piston rod (7) extends out from one end of the piston tube (5) far away from the transparent fixed cover (2), and one end of the piston tube (5) far away from the transparent fixed cover (2) is provided with a limiting part (8) for preventing the piston body (6) from being separated from the piston tube (5).
3. The pediatric lumbar puncture needle according to claim 1, wherein the limiting block comprises a cylindrical portion (9) and a blocking portion (10), one end of the cylindrical portion (9) is fixedly connected with one end of the blocking portion (10) in an integrated manner, the needle head end of the needle body (1) sequentially penetrates through the blocking portion (10) and the cylindrical portion (9), external threads are formed in the outer wall of the cylindrical portion (9), internal threads are formed in the inner wall of the through hole (4), and the cylindrical portion (9) is in threaded connection with the inner wall of the through hole (4).
4. The pediatric lumbar puncture needle according to claim 3, wherein the limiting block is made of rubber or silica gel.
5. Pediatric lumbar puncture needle according to any one of claims 1 to 4, wherein the port of the open end (3) of the transparent fixation shield (2) is provided with a sealing ring (11).
6. The pediatric lumbar puncture needle according to any one of claims 1 to 4, wherein a hand-held part (12) is arranged on one end of the needle body (1) far away from the needle head end.
7. The pediatric lumbar puncture needle according to claim 6, wherein the outer wall of the hand-held part (12) is provided with an anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129224.3U CN211534715U (en) | 2020-01-20 | 2020-01-20 | Paediatrics waist puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129224.3U CN211534715U (en) | 2020-01-20 | 2020-01-20 | Paediatrics waist puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211534715U true CN211534715U (en) | 2020-09-22 |
Family
ID=72493088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129224.3U Active CN211534715U (en) | 2020-01-20 | 2020-01-20 | Paediatrics waist puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211534715U (en) |
-
2020
- 2020-01-20 CN CN202020129224.3U patent/CN211534715U/en active Active
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