CN215017536U - Right adrenal vein blood sampling device - Google Patents
Right adrenal vein blood sampling device Download PDFInfo
- Publication number
- CN215017536U CN215017536U CN202120146157.0U CN202120146157U CN215017536U CN 215017536 U CN215017536 U CN 215017536U CN 202120146157 U CN202120146157 U CN 202120146157U CN 215017536 U CN215017536 U CN 215017536U
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- Prior art keywords
- blood
- liquid
- collecting
- cavity
- empty bag
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 34
- 210000003462 vein Anatomy 0.000 title claims abstract description 27
- 230000001919 adrenal effect Effects 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000008280 blood Substances 0.000 claims abstract description 48
- 210000004369 blood Anatomy 0.000 claims abstract description 46
- 230000017531 blood circulation Effects 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000002792 vascular Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 2
- 210000001631 vena cava inferior Anatomy 0.000 description 8
- 210000004100 adrenal gland Anatomy 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 208000016998 Conn syndrome Diseases 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 208000013846 primary aldosteronism Diseases 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a right adrenal vein blood sampling device, which comprises a blood sampling catheter and a blood collecting and storing device, wherein the blood sampling catheter comprises a catheter body and an empty bag, a blood circulation cavity, a collection cavity and a liquid injection cavity are arranged in the catheter body, the inlet of the blood circulation cavity is positioned at the head end of the catheter body, and the outlet of the blood circulation cavity is positioned on the side wall of the catheter body; the periphery of body is wrapped up in empty bag, be equipped with on the empty bag gather the hole with it communicates with each other to gather the chamber, and the end of gathering the chamber can be dismantled and is connected with blood collection storage, annotates the liquid chamber and communicates with each other with empty bag is inside to annotate the liquid end of annotating the liquid chamber be equipped with annotate the liquid end with body side wall rigid coupling annotates and has seted up on the liquid end and annotate the liquid hole, annotate the orientation in liquid hole with gather the orientation unanimous in hole, empty bag by the developer expansion back, convenient location gathers the in-process of blood, is that the collection pore aims at the vein opening, can not withstand the vascular wall and cause the condition of unable blood sampling, and empty bag can oppress the blood vessel that need not gather in addition, and blood circulates from the blood circulation chamber, and it is more smooth and easy to gather blood, is difficult to stifled up the pipe.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to right adrenal vein blood sampling device.
Background
The side adrenal vein blood sampling technology is clinically used for typing diagnosis of primary aldosteronism, and when blood is sampled from the right adrenal vein, a Cobra catheter or a simmon catheter is generally adopted for blood sampling. However, the right adrenal vein is opened from the inferior vena cava, and forms a downward acute angle with the inferior vena cava, the trunk is short and small, and the blood vessel is fine. The present blood sampling catheter form is not matched with the inferior vena cava, the head end of the catheter is easy to jack the blood vessel wall, the blood cannot be collected, or the blood sampling is slow, the condition of blocking the blood vessel is caused, and therefore the blood sampling device special for collecting the blood from the right adrenal gland vein is designed, and the blood sampling device is very necessary.
SUMMERY OF THE UTILITY MODEL
To the technical problem that prior art exists, the utility model provides a right adrenal vein blood sampling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a right adrenal vein blood sampling device comprises a blood sampling catheter and a blood collecting and storing device, wherein the blood sampling catheter comprises a catheter body and an empty bag, a blood circulation cavity, a collection cavity and a liquid injection cavity are arranged in the catheter body, an inlet of the blood circulation cavity is located at the head end of the catheter body, and an outlet of the blood circulation cavity is located on the side wall of the catheter body; the blood collecting and storing device comprises a tube body, wherein the periphery of the tube body is wrapped with an empty bag, a collecting hole is formed in the empty bag and is communicated with a collecting cavity, the collecting hole is formed in the outer side wall of the empty bag, the tail end of the collecting cavity is detachably connected with a blood collecting and storing device, the blood collecting and storing device comprises a base, an installation block, a liquid collecting cylinder and an auxiliary device, one side of the base is connected with the installation block, the liquid collecting cylinder is detachably connected to the installation block, the upper end of the liquid collecting cylinder is detachably connected with the collecting cavity, a piston core rod is arranged in the liquid collecting cylinder and can move back and forth in the liquid collecting cylinder, and the auxiliary device is movably connected with the base, can move back and forth along the base, is positioned at the lower end of the piston core rod and is detachably connected with the piston core rod; annotate the liquid chamber with empty bag inside communicates with each other to annotate the liquid end of annotating the liquid chamber be equipped with annotate the liquid end with pipe side wall rigid coupling, annotate the liquid hole of having seted up on the liquid end, annotate the orientation of liquid hole with the orientation in collection hole is unanimous.
Further, the distance between the outlet of the blood circulation chamber and the empty sac is 2 cm.
Further, the outer wall of the empty bag is integrally formed with a gasket, the gasket is circular and distributed around the collecting hole, and the surface of the gasket is coated with a metal coating which is opaque to X-rays.
Further, be equipped with the mounting groove on the installation piece with a collection liquid section of thick bamboo joint, the mounting groove upper end is equipped with the limiting plate, a collection liquid section of thick bamboo the front end with gather the chamber spiro union.
Furthermore, the assistor comprises a concave groove, a screw rod movable block and a main fixture block which are distributed on the base, the concave groove is in transmission connection with a screw rod, the movable block is in transmission connection with the screw rod through a screw rod nut, one side of the movable block is fixedly connected with the main fixture block, and a clamping groove is arranged on the main fixture block and is connected with a rod handle of the piston core rod in a clamping mode.
Furthermore, the other side of the base is fixedly connected with an elastic hand strap.
To sum up, the beneficial effects of the utility model are that: when the blood circulation cavity is used, a guide wire is firstly fed into the blood circulation cavity, the blood sampling catheter is guided to enter a human body along the inferior vena cava, and after the blood circulation cavity is conveyed to a proper position, a contrast display agent is injected into the liquid injection cavity, because the direction of the liquid injection hole is consistent with that of the collection hole, the position of the collection hole in the human body can be synchronously adjusted according to the direction of the liquid injection hole left outside the human body, the collection hole is conveyed to a desired position for collecting blood, after the empty sac is filled, the blood circulation of partial blood vessels can be blocked, the blood is convenient to collect, at the moment, the blood circulation cavity can be used as a blood circulation channel, in the human body, the blood flows from an inlet to an outlet and reaches the proximal end of the inferior vena cava, the blood is kept smooth when blood is collected, and the discomfort of blood sampling is reduced; the collection hole is aimed at the right adrenal vein opening, the adrenal vein moves in the direction far away from the liquid collecting cylinder under the self pressure, so that the piston core rod is pulled, blood is extracted to be reserved in the liquid collecting cylinder, and then the liquid collecting cylinder is detached to be tested. This blood sampling device designs specially for gathering right adrenal gland vein, and the empty bag is by the developer expansion back, and convenient location gathers the in-process of blood, is the collection pore alignment vein opening, can not withstand the condition that the vascular wall caused unable blood sampling, and the empty bag can oppress the blood vessel that need not gather in addition, but blood can circulate from the blood circulation chamber, and blood collection device gathers blood more smoothly, is difficult to stifled pipe.
Drawings
Fig. 1 is a schematic structural view of a right adrenal vein blood sampling device provided by the utility model.
Fig. 2 is a sectional view of the blood sampling catheter in the direction of A-A.
In the figure, 100-blood sampling catheter, 110-tube body, 111-blood circulation cavity, 1110-inlet, 1111-outlet, 112-collection cavity, 1120-collection hole, 1121-gasket, 113-liquid injection cavity, 1130-liquid injection end head, 120-empty bag, 200-blood collecting and storing device, 210-base, 220-mounting block, 221-limiting plate, 230-liquid collecting cylinder, 231-piston core rod, 240-auxiliary device, 241-concave groove, 242-lead screw, 243-movable block, 244-main clamping block, 2440-clamping groove and 250-elastic hand strap.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1 and 2, the present invention provides a right adrenal vein blood sampling device, which comprises a blood sampling tube 100 and a blood reservoir 200. The blood collection catheter 100 comprises a catheter body 110 and an empty bag 120, wherein a blood circulation chamber 111, a collection chamber 112 and a liquid injection chamber 113 are arranged in the catheter body 110, an inlet 1110 of the blood circulation chamber 111 is positioned at the head end of the catheter body 110, and an outlet 1111 of the blood circulation chamber is positioned on the side wall of the catheter body 110. The outer periphery of the tube body 110 is wrapped with an empty bag 120, and the empty bag 120 is provided with a collection hole 1120 which is communicated with the collection cavity 112. The collection hole 1120 is located on the outer sidewall of the empty bag 120, and the collection chamber 112 is detachably connected to a blood collection container 200 at the end thereof. The blood collection and storage device 200 comprises a base 210, a mounting block 220, a liquid collection barrel 230 and an auxiliary device 240, wherein one side of the base 210 is connected with the mounting block 220, the mounting block 220 is detachably connected with the liquid collection barrel 230, the upper end of the liquid collection barrel 230 is detachably connected with the collection cavity 112, a piston core bar 231 is arranged in the liquid collection barrel 230 and can move back and forth in the liquid collection barrel 230, and the auxiliary device 240 is movably connected with the base 210, can move back and forth along the base 210, is positioned at the lower end of the piston core bar 231 and is detachably connected with the piston core bar 231. The liquid injection cavity 113 is communicated with the inside of the empty bag 120, a liquid injection end 1130 is arranged at the liquid injection end of the liquid injection cavity 113 and fixedly connected with the side wall of the tube body 110, a liquid injection hole is formed in the liquid injection end 1130, and the direction of the liquid injection hole is consistent with the direction of the collection hole 1120.
By adopting the structure, when in use, firstly, a guide wire is fed into the blood circulation cavity 111, the blood sampling catheter 100 is guided to enter a human body along the inferior vena cava, and after the blood sampling catheter is fed to a proper position, a contrast display agent is injected into the liquid injection cavity 113, because the orientation of the liquid injection hole is consistent with that of the collection hole 1120, the position of the collection hole 1120 in the human body can be synchronously adjusted according to the orientation of the liquid injection hole left outside the human body, the collection hole 1120 is fed to a desired position for collecting blood, after the empty sac 120 is filled, the blood circulation of partial blood vessels can be blocked, the blood is convenient to collect, at the moment, the blood circulation cavity 111 can be used as a blood circulation channel, in the human body, the blood flows from the inlet 1110 to the outlet 1111 and reaches the proximal heart end of the inferior vena cava, the blood is kept smooth when blood sampling is still carried out, and discomfort of blood sampling is reduced; the collection port 1120 is aligned with the right adrenal vein opening, the adrenal vein under its own pressure, and the aid 240 is moved away from the cartridge 230, thereby pulling the plunger stem 231, drawing blood into the cartridge 230 for retention, and then removing the cartridge 230 for testing. This blood sampling device, specially for gathering right adrenal gland vein and designing, empty bag 120 is by the developer expansion back, convenient location, the in-process of gathering blood is gathering hole 1120 and aims at the vein opening, can not withstand the condition that the vascular wall caused unable blood sampling, empty bag 120 can oppress the blood vessel that need not gather in addition, but blood can circulate from blood circulation chamber 111, and blood collection and storage device 200 gathers blood more smoothly, is difficult to the stifled pipe.
As an alternative embodiment, the distance between the outlet 1111 of the blood circulation chamber 111 and the empty sac 120 is 2cm, which is a distance to ensure that the blood coming out of the outlet 1111 flows towards the proximal end of the inferior vena cava.
The outer wall of the empty sac 120 is integrally formed with a gasket 1121, the gasket 1121 is circular and is distributed around the collecting hole 1120, the surface of the gasket 1121 is coated with a metal coating, the metal coating cannot be penetrated by X-rays, such as a lead coating, and after the empty sac 120 is full, the gasket 1121 can be more easily aligned to the collecting opening on a curved surface, which is beneficial to helping accurate positioning.
The installation block 220 is provided with an installation groove which is clamped with the liquid collecting barrel 230, the upper end of the installation groove is provided with a limiting plate 221, and the front end of the liquid collecting barrel 230 is in threaded connection with the collection cavity 112, so that the disassembly and the installation are convenient. The auxiliary device 240 comprises a concave groove 241, a screw 242 movable block 243 and a main fixture block 244 which are distributed on the base 210, the rectangular concave groove 241 is connected with the screw 242 in a transmission manner, the screw 242 is connected with the movable block 243 in a transmission manner through a screw 242 nut and the screw 242, one side of the movable block 243 is fixedly connected with the main fixture block 244, and a clamping groove 2440 is arranged on the main fixture block 244 and is clamped with a rod handle of the piston rod 231. After the piston core rod 231 is clamped with the clamping groove 2440, blood can be automatically extracted by using the screw rod 242, and blood is conveniently extracted at a constant speed, so that blood collection is more stable and convenient.
An elastic hand strap 250 is fixedly connected to the other side of the base 210, and fingers can be sleeved in the elastic hand strap 250, so that the blood collection and storage device 200 can be conveniently controlled to work.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (6)
1. A right adrenal vein blood sampling device which characterized in that: the blood sampling catheter comprises a catheter body and an empty bag, wherein a blood circulation cavity, a collection cavity and a liquid injection cavity are arranged in the catheter body, an inlet of the blood circulation cavity is positioned at the head end of the catheter body, and an outlet of the blood circulation cavity is positioned on the side wall of the catheter body; the blood collecting and storing device comprises a tube body, wherein the periphery of the tube body is wrapped with an empty bag, a collecting hole is formed in the empty bag and is communicated with a collecting cavity, the collecting hole is formed in the outer side wall of the empty bag, the tail end of the collecting cavity is detachably connected with a blood collecting and storing device, the blood collecting and storing device comprises a base, an installation block, a liquid collecting cylinder and an auxiliary device, one side of the base is connected with the installation block, the liquid collecting cylinder is detachably connected to the installation block, the upper end of the liquid collecting cylinder is detachably connected with the collecting cavity, a piston core rod is arranged in the liquid collecting cylinder and can move back and forth in the liquid collecting cylinder, and the auxiliary device is movably connected with the base, can move back and forth along the base, is positioned at the lower end of the piston core rod and is detachably connected with the piston core rod; annotate the liquid chamber with empty bag inside communicates with each other to annotate the liquid end of annotating the liquid chamber be equipped with annotate the liquid end with pipe side wall rigid coupling, annotate the liquid hole of having seted up on the liquid end, annotate the orientation of liquid hole with the orientation in collection hole is unanimous.
2. The right adrenal vein blood collection device according to claim 1, wherein: the distance between the outlet of the blood circulation cavity and the empty sac is 2 cm.
3. The right adrenal vein blood collection device according to claim 1, wherein: the outer wall of the empty bag is integrally formed with a gasket, the gasket is circular and distributed around the collecting hole, and the surface of the gasket is coated with a metal coating which is not transparent to X-rays.
4. The right adrenal vein blood collection device according to claim 1, wherein: the mounting block is provided with a mounting groove which is clamped with the liquid collecting barrel, a limiting plate is arranged at the upper end of the mounting groove, and the front end of the liquid collecting barrel is in threaded connection with the collecting cavity.
5. The right adrenal vein blood collection device according to claim 4, wherein: the auxiliary device comprises a concave groove, a screw rod movable block and a main fixture block which are distributed on the base, the concave groove is rectangular, a screw rod is connected in the concave groove in a transmission mode, the movable block is connected with the screw rod in a transmission mode through a screw rod nut, one side of the movable block is fixedly connected with the main fixture block, and a clamping groove is formed in the main fixture block and connected with a rod handle of the piston core rod in a clamping mode.
6. The right adrenal vein blood collection device according to claim 4, wherein: and an elastic hand strap is fixedly connected to the other side of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120146157.0U CN215017536U (en) | 2021-01-20 | 2021-01-20 | Right adrenal vein blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120146157.0U CN215017536U (en) | 2021-01-20 | 2021-01-20 | Right adrenal vein blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215017536U true CN215017536U (en) | 2021-12-07 |
Family
ID=79251314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120146157.0U Expired - Fee Related CN215017536U (en) | 2021-01-20 | 2021-01-20 | Right adrenal vein blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215017536U (en) |
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2021
- 2021-01-20 CN CN202120146157.0U patent/CN215017536U/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: 20211207 |