CN213488959U - Pregnant woman amniotic fluid sampling tool - Google Patents
Pregnant woman amniotic fluid sampling tool Download PDFInfo
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- CN213488959U CN213488959U CN202022000039.7U CN202022000039U CN213488959U CN 213488959 U CN213488959 U CN 213488959U CN 202022000039 U CN202022000039 U CN 202022000039U CN 213488959 U CN213488959 U CN 213488959U
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Abstract
The utility model relates to a pregnant woman amniotic fluid sampling tool, which comprises a needle head, a needle cylinder connected with the needle head in a detachable manner, a support sleeve slidably arranged on the peripheral wall of the needle cylinder, an auxiliary tube connected on the outer side wall of the needle cylinder, a piston arranged in the needle cylinder in a penetrating manner, and a handle connected with the piston, wherein the needle cylinder comprises an installation block and a cylinder body, the handle comprises a round rod and a circular plate connected with the extending end of the round rod, the support sleeve comprises a cylinder made of rubber, a support plate and suckers, the outer edge of the left end opening of the cylinder integrally extends outwards to form the support plate, the left end surface of the support plate is provided with a plurality of suckers, the right end of the cylinder is provided with a second through hole communicated with the inner cavity of the cylinder, the cylinder is sleeved on the peripheral wall of the cylinder body, the second through hole is sleeved on the peripheral wall of an annular groove, and the aim is to solve, easy to shake and increase the pain of the pregnant women.
Description
Technical Field
The utility model relates to a medical instrument technical field, concretely relates to pregnant woman amniotic fluid sampling tool.
Background
Amniotic fluid puncture examination is a prenatal diagnosis method, and is generally suitable for prenatal diagnosis of mid-term pregnancy; under the guidance of ultrasonic wave, a slender needle penetrates through the belly skin and the uterine wall of a pregnant woman to enter a amniotic cavity, and the process of extracting some amniotic fluid is called as amniotic fluid puncture, and the amniotic fluid puncture step is as follows: making B-ultrasonic, determining placenta position and fetal condition, avoiding injuring placenta by mistake, selecting needle insertion point, sterilizing skin, spreading sterilizing towel, performing local anesthesia, and vertically inserting a lumbar puncture needle with needle core at the selected point; when the needle passes through the abdominal wall and the uterine wall, the needle has two falling feelings, and the needle core is taken out; 2 ml of amniotic fluid is sucked by a 2 ml syringe and discarded, and the section of amniotic fluid possibly contains maternal cells; then 20 ml of amniotic fluid is sucked by a 20 ml empty needle and respectively put into 2 disinfection test tubes, and the tubes are covered; taking out the needle head, covering with sterile gauze, pressing for 2-3 minutes, and lying in bed for 2 hours. When the existing lumbar puncture needle is used for carrying out amniotic fluid puncture, the operation is complex, and the lumbar puncture needle is not easy to position on the belly of a pregnant woman, is easy to shake and increases the pain of the pregnant woman.
Disclosure of Invention
When carrying out the amniotic fluid puncture to among the prior art waist needle-threading, the operation is complicated to the waist needle-threading is difficult to fix a position on the pregnant woman's belly, rocks easily, increases the painful problem of pregnant woman, the utility model provides a pregnant woman amniotic fluid sampling tool, easy operation fixes a position on the pregnant woman's belly easily, and is fixed stable, reduces pregnant woman's misery.
In order to realize the purpose, the technical scheme of the utility model is that:
a amniotic fluid sampling tool for pregnant women comprises a needle head, a needle cylinder detachably connected with the needle head, a support sleeve slidably arranged on the outer peripheral wall of the needle cylinder in a penetrating manner, an auxiliary tube connected to the outer side wall of the needle cylinder and communicated with the needle cylinder, a piston arranged in the needle cylinder in a penetrating manner, and a handle connected with the piston;
the needle cylinder is composed of an installation block and a cylinder body connected with the right end of the installation block, the installation block is a hollow cylinder body, the cylinder body is a hollow cylinder body with the same central axis as the installation block and an opening at the right end, a first through hole communicated with the installation block and the cylinder body is arranged at the left end of the cylinder body, an annular outer edge plate integrally extends outwards from the outer edge of the opening at the right end of the cylinder body, a cylindrical piston made of rubber penetrates through the cylinder body, the right end of the piston is connected with a handle extending out of the cylinder body, an annular groove which is recessed inwards is arranged on the outer peripheral wall of the middle part of the cylinder body, and the installation block extends into a pintle of the needle;
the handle consists of a round rod and a round plate, wherein one end of the round rod is connected with the piston, the other end of the round rod extends out of the cylinder, and the round plate is connected with the extending end of the round rod;
the supporting sleeve is composed of a cylinder, a supporting plate and suckers, the cylinder is a hollow cylinder with an opening at the left end, the outer edge of the opening at the left end of the cylinder integrally extends outwards to form a circular supporting plate, a plurality of bowl-shaped suckers are arranged on the left end face of the supporting plate, a second through hole communicated with the inner cavity of the cylinder is arranged at the right end of the cylinder, the cylinder is sleeved on the peripheral wall of the cylinder, and the second through hole is sleeved on the peripheral wall of the annular groove in a penetrating mode;
the barrel lateral wall on annular groove right side is equipped with the outside auxiliary tube that stretches out, and the auxiliary tube is equipped with the flow stopping clamp through communicating pipe and the first through-hole intercommunication that sets up in the barrel lateral wall on the auxiliary tube, and the upper end intercommunication of auxiliary tube has the cylindrical tube socket of top open-ended cavity, and the top opening part of tube socket is equipped with the end cap.
Furthermore, the length of the needle is greater than that of the supporting sleeve, and the length of the supporting sleeve is greater than the distance from the left end face of the barrel to the left end face of the annular groove.
Further, the length of the annular groove is equal to the length of the support sleeve.
Further, the outer diameter of the mounting block is smaller than that of the cylinder.
Further, the inner diameter of the mounting block is equal to the diameter of the first through hole, and the inner diameter of the cylinder is larger than the inner diameter of the first through hole.
Further, the outer wall of the piston is in contact with the inner wall of the cylinder, the diameter of the round rod is smaller than the inner diameter of the cylinder, the diameter of the round plate is larger than the outer diameter of the cylinder, and the outer diameter of the outer edge plate is larger than the diameter of the round plate.
Further, the sum of the lengths of the piston and the round rod is greater than the length of the inner cavity of the cylinder.
Furthermore, the diameter of the second through hole is smaller than the outer diameter of the cylinder body and larger than the diameter of the inner ring of the annular groove, the length of the second through hole is smaller than the length of the annular groove, and the inner diameter of the cylinder is larger than the outer diameter of the cylinder body.
Further, the tube holder is matched with the nipple of the syringe.
Furthermore, the mounting block is detachably connected with the pintle of the needle head, and the centers of the needle head, the mounting block and the first through hole are on the same straight line.
Through the technical scheme, the beneficial effects of the utility model are that:
1. after the needle inlet point is selected, the skin is disinfected, a disinfection towel is laid, local anesthesia is carried out, the needle head of the utility model is vertically penetrated at the selected point, and then the sucking disc of the supporting sleeve is made to adsorb the skin, so that the supporting sleeve is fixed on the skin, the needle head is not shaken, and the pain of the pregnant woman is reduced; then the end cap is opened, the nipple of the prepared syringe is connected with the tube seat, the flow stopping clip is loosened, 2 ml of amniotic fluid is extracted by the syringe, then the syringe is separated from the tube seat, the flow stopping clip is clamped, then the handle is pulled to move outwards, 20 ml of amniotic fluid is extracted, the needle head is taken out, and the sterile gauze is covered.
2. The utility model is simple in operation, the operating procedure among the prior art has been simplified to reduce pregnant woman's misery.
3. The utility model discloses during the operation, the syringe needle is firm easily, reduces pregnant woman's misery.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a front (cross-sectional) view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a left side (enlarged) view of the present invention;
fig. 5 is a front view (enlarged) of the support sleeve of the present invention.
The reference numbers in the drawings are as follows: the syringe comprises a needle 1, a needle cylinder 2, an installation block 2a, a cylinder body 2b, a first through hole 2c, an outer edge plate 2d, an annular groove 2e, a support sleeve 3, a cylinder 3a, a support plate 3b, a sucker 3c, a second through hole 3d, an auxiliary tube 4, a flow stopping clip 4a, a tube seat 4b, an end cap 4c, a piston 5, a handle 6, a round rod 6a, a round plate 6b and a communicating tube 20 a.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in figures 1-5, a pregnant woman amniotic fluid sampling tool comprises a needle 1, a needle cylinder 2 detachably connected with the needle 1, a support sleeve 3 slidably arranged on the peripheral wall of the needle cylinder 2, an auxiliary tube 4 connected to the outer side wall of the needle cylinder 2 and communicated with the needle cylinder 2, a piston 5 arranged in the needle cylinder 2 in a penetrating way, and a handle 6 connected with the piston 5, wherein the needle 1 is a needle of Sishuikang medical apparatus Limited.
The needle cylinder 2 comprises an installation block 2a and a cylinder body 2b connected with the right end of the installation block 2a, the installation block 2a is a hollow cylinder, the cylinder body 2b is a hollow cylinder with the same central axis as the installation block 2a and with a right end opening, the left end of the cylinder body 2b is provided with a first through hole 2c for communicating the installation block 2a with the cylinder body 2b, the outer edge of the right end opening of the cylinder body 2b integrally extends outwards to form a circular outer flange plate 2d, a cylindrical piston 5 made of rubber is arranged in the cylinder body 2b in a penetrating mode, the right end of the piston 5 is connected with a handle 6 extending out of the cylinder body 2b, the outer peripheral wall of the middle of the cylinder body 2b is provided with an inwards-sunken annular groove 2e, and the installation block 2a extends into a pintle of the needle head 1 and is communicated.
The handle 6 is composed of a round rod 6a with one end connected with the piston 5 and the other end extending out of the cylinder 2b and a round plate 6b connected with the extending end of the round rod 6 a.
The supporting sleeve 3 is composed of a cylinder 3a, a supporting plate 3b and suckers 3c, wherein the cylinder 3a is a hollow cylinder with an open left end, the outer edge of the open left end of the cylinder 3a integrally extends outwards to form the annular supporting plate 3b, the left end face of the supporting plate 3b is provided with a plurality of bowl-shaped suckers 3c, the right end of the cylinder 3a is provided with a second through hole 3d communicated with the inner cavity of the cylinder 3a, the cylinder 3a is sleeved on the peripheral wall of the cylinder 2b, the second through hole 3d is sleeved on the peripheral wall of the annular groove 2e, and the suckers 3c are suckers of Longran plastic electronics limited company in Dongguan city.
The lateral wall of the cylinder body 2b on the right side of the annular groove 2e is provided with an auxiliary tube 4 extending outwards, the auxiliary tube 4 is communicated with the first through hole 2c through a communicating tube 20a arranged in the lateral wall of the cylinder body 2b, the auxiliary tube 4 is provided with a flow stopping clamp 4a, the upper end of the auxiliary tube 4 is communicated with a hollow cylindrical tube seat 4b with an upper opening, and an end cap 4c is arranged at the upper opening of the tube seat 4 b.
The length of the needle head 1 is greater than that of the supporting sleeve 3, and the length of the supporting sleeve 3 is greater than the distance from the left end face of the barrel body 2b to the left end face of the annular groove 2 e.
The length of said annular groove 2e is equal to the length of the support sleeve 3.
The outer diameter of the mounting block 2a is smaller than that of the cylinder 2 b.
The inner diameter of the mounting block 2a is equal to the diameter of the first through hole 2c, and the inner diameter of the cylinder 2b is larger than the inner diameter of the first through hole 2 c.
The outer wall of the piston 5 is in contact with the inner wall of the cylinder 2b, the diameter of the round rod 6a is smaller than the inner diameter of the cylinder 2b, the diameter of the round plate 6b is larger than the outer diameter of the cylinder 2b, and the outer diameter of the outer edge plate 2d is larger than the diameter of the round plate 6 b.
The sum of the lengths of the piston 5 and the round rod 6a is larger than the length of the inner cavity of the cylinder 2 b.
The diameter of the second through hole 3d is smaller than the outer diameter of the cylinder body 2b and larger than the inner ring diameter of the annular groove 2e, the length of the second through hole 3d is smaller than the length of the annular groove 2e, and the inner diameter of the cylinder 3a is larger than the outer diameter of the cylinder body 2 b.
The tube holder 4b is matched with the nipple of the syringe.
The mounting block 2a is detachably connected with the pintle of the needle head 1, and the centers of the needle head 1, the mounting block 2a and the first through hole 2c are on the same straight line.
After the needle inlet point is selected, the skin is disinfected, a disinfection towel is laid, local anesthesia is carried out, the needle head 1 of the utility model is vertically penetrated at the selected point, then the sucking disc 3c of the supporting sleeve 3 is made to adsorb the skin, so that the supporting sleeve 3 is fixed on the skin, the needle head 1 can not shake, and the pain of the pregnant woman is reduced; then the end cap 4c is opened, the nipple of the prepared syringe is connected with the tube seat 4b, the flow stopping clip 4a is loosened, 2 ml of amniotic fluid is extracted by the syringe, then the syringe is separated from the tube seat 4b, the flow stopping clip 4a is clamped, then the handle 6 is pulled to move outwards, 20 ml of amniotic fluid is sucked, the needle head 1 is taken out, and the sterile gauze is covered.
The utility model is simple in operation, the operating procedure among the prior art has been simplified to reduce pregnant woman's misery.
The present invention is not limited to the above embodiments, and any modifications or substitutions of the technical solutions of the present invention are within the protection scope of the present invention.
Claims (10)
1. A pregnant woman amniotic fluid sampling tool comprises a needle head (1), and is characterized by further comprising a needle cylinder (2) connected with the needle head (1) in a detachable mode, a support sleeve (3) arranged on the outer peripheral wall of the needle cylinder (2) in a penetrating mode in a sliding mode, an auxiliary tube (4) connected to the outer side wall of the needle cylinder (2) and communicated with the needle cylinder (2), a piston (5) arranged in the needle cylinder (2) in a penetrating mode, and a handle (6) connected with the piston (5);
the needle cylinder (2) is composed of a mounting block (2 a) and a cylinder body (2 b) connected with the right end of the mounting block (2 a), the mounting block (2 a) is a hollow cylinder, the cylinder (2 b) is a hollow cylinder with an opening at the right end which is the same with the mounting block (2 a) in the central axis, the left end of the cylinder (2 b) is provided with a first through hole (2 c) for communicating the mounting block (2 a) and the cylinder (2 b), the outer edge of the right end opening of the cylinder body (2 b) integrally extends to form a circular outer edge plate (2 d), a cylindrical piston (5) made of rubber is arranged in the cylinder body (2 b) in a penetrating way, the right end of the piston (5) is connected with a handle (6) extending out of the cylinder body (2 b), the outer peripheral wall of the middle part of the barrel body (2 b) is provided with an inward sunken annular groove (2 e), and the mounting block (2 a) extends into a pintle of the needle head (1) and is communicated with the needle head (1);
the handle (6) is composed of a round rod (6 a) and a round plate (6 b), wherein one end of the round rod (6 a) is connected with the piston (5), one end of the round rod extends out of the cylinder body (2 b), and the round plate (6 b) is connected with the extending end of the round rod (6 a);
the supporting sleeve (3) is composed of a cylinder (3 a), a supporting plate (3 b) and suckers (3 c), wherein the cylinder (3 a) is a hollow cylinder with an open left end, the outer edge of the open left end of the cylinder (3 a) integrally extends outwards to form the annular supporting plate (3 b), a plurality of bowl-shaped suckers (3 c) are arranged on the left end surface of the supporting plate (3 b), a second through hole (3 d) communicated with the inner cavity of the cylinder (3 a) is formed in the right end of the cylinder (3 a), the cylinder (3 a) is sleeved on the outer peripheral wall of the cylinder (2 b), and the second through hole (3 d) is sleeved on the peripheral wall of the annular groove (2 e) in a penetrating mode;
barrel (2 b) lateral wall on annular groove (2 e) right side is equipped with outside auxiliary tube (4) that stretches out, and auxiliary tube (4) are equipped with only to flow clamp (4 a) through communicating pipe (20 a) and first through-hole (2 c) intercommunication that set up in barrel (2 b) lateral wall on auxiliary tube (4), and the upper end intercommunication of auxiliary tube (4) has top open-ended hollow column tube socket (4 b), and the top opening part of tube socket (4 b) is equipped with end cap (4 c).
2. The amniotic fluid sampling tool for pregnant women according to claim 1, wherein the length of the needle (1) is greater than the length of the support sleeve (3), and the length of the support sleeve (3) is greater than the distance from the left end surface of the cylinder (2 b) to the left end surface of the annular groove (2 e).
3. The kit for sampling amniotic fluid of pregnant women according to claim 2, wherein the length of the annular groove (2 e) is equal to the length of the support sleeve (3).
4. The tool for sampling amniotic fluid of pregnant women according to claim 3, wherein the mounting block (2 a) has an outer diameter smaller than the outer diameter of the cylinder (2 b).
5. The tool for sampling amniotic fluid of pregnant women according to claim 4, wherein the inner diameter of the mounting block (2 a) is equal to the diameter of the first through hole (2 c), and the inner diameter of the cylinder (2 b) is greater than the inner diameter of the first through hole (2 c).
6. The tool for sampling amniotic fluid of pregnant women according to claim 5, wherein the outer wall of the piston (5) is in contact with the inner wall of the cylinder (2 b), the diameter of the round rod (6 a) is smaller than the inner diameter of the cylinder (2 b), the diameter of the circular plate (6 b) is larger than the outer diameter of the cylinder (2 b), and the outer diameter of the peripheral plate (2 d) is larger than the diameter of the circular plate (6 b).
7. The tool for sampling amniotic fluid of pregnant women according to claim 6, wherein the sum of the lengths of the piston (5) and the round rod (6 a) is greater than the length of the inner cavity of the cylinder (2 b).
8. The tool for sampling amniotic fluid of pregnant women according to claim 7, wherein the diameter of the second through hole (3 d) is smaller than the outer diameter of the cylinder body (2 b) and larger than the inner diameter of the annular groove (2 e), the length of the second through hole (3 d) is smaller than the length of the annular groove (2 e), and the inner diameter of the cylinder (3 a) is larger than the outer diameter of the cylinder body (2 b).
9. A tool for sampling amniotic fluid of a pregnant woman according to claim 1, wherein the tube holder (4 b) is adapted to match the nipple of a syringe.
10. The amniotic fluid sampling tool for pregnant women according to claim 1, wherein the mounting block (2 a) is detachably connected with the pintle of the needle head (1), and the centers of the needle head (1), the mounting block (2 a) and the first through hole (2 c) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000039.7U CN213488959U (en) | 2020-09-14 | 2020-09-14 | Pregnant woman amniotic fluid sampling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000039.7U CN213488959U (en) | 2020-09-14 | 2020-09-14 | Pregnant woman amniotic fluid sampling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213488959U true CN213488959U (en) | 2021-06-22 |
Family
ID=76446899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022000039.7U Active CN213488959U (en) | 2020-09-14 | 2020-09-14 | Pregnant woman amniotic fluid sampling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213488959U (en) |
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2020
- 2020-09-14 CN CN202022000039.7U patent/CN213488959U/en active Active
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