CN211068375U - High-pressure injector with high-precision injection volume and pressure testing device - Google Patents
High-pressure injector with high-precision injection volume and pressure testing device Download PDFInfo
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- CN211068375U CN211068375U CN201921373969.8U CN201921373969U CN211068375U CN 211068375 U CN211068375 U CN 211068375U CN 201921373969 U CN201921373969 U CN 201921373969U CN 211068375 U CN211068375 U CN 211068375U
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- pressure
- injection needle
- needle cylinder
- push rod
- syringe
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Abstract
The utility model discloses a high-pressure injector with high-precision injection volume and pressure testing device, which comprises an injection needle cylinder, a push rod matched on the injection needle cylinder, a caliper arranged on one side of the outer surface of the injection needle cylinder and a fixing seat, wherein the caliper comprises a ruler body, a digital display and a depth gauge, two ends of the ruler body are fixed with the injection needle cylinder by adopting a bracket, one end of the push rod positioned on the outer side of the injection needle cylinder is provided with a positioning block, the other end of the push rod is provided with a piston, the positioning block is far away from the end of the push rod and is provided with a double-sided tooth-shaped strip, the upper part of the double-sided tooth-shaped strip is matched with a first gear, the lower part of the double-sided tooth-shaped strip is provided with a second gear, the first gear is provided with a first rotating shaft, the second gear is provided with a second rotating shaft, the utility, and medical data is provided for later-stage scientific research personnel.
Description
Technical Field
The utility model relates to an injector field, concretely relates to high pressure syringe with high accuracy injection volume and pressure test device.
Background
The high-pressure injector is used as an auxiliary device in a radiology diagnosis and treatment system, and is gradually applied clinically along with the technical development of X-rays, a rapid film changer, an image intensifier, an artificial contrast agent and the like. The high-pressure injector has the basic function that a sufficient amount of high-concentration X-ray contrast medium is quickly and accurately injected to an examination part through percutaneous puncture entering a blood vessel or an original pore passage of a human body within a certain time, so that diagnostic imaging and treatment can be carried out on a pathological change part.
The contrast medium is generally used in clinic, however, the contrast medium is used too much, which may cause harm to human body, but the used film shot too little is not clear enough, which may cause misjudgment for doctor.
The existing high-pressure injector does not record how the blood pressure, the heart rate and the pulse of a human body are changed due to different injection pressures.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a high pressure syringe with high accuracy injection volume and pressure test device is provided.
The utility model discloses a realize through following technical scheme:
a high pressure syringe with high accuracy injection volume and pressure testing arrangement which characterized in that: the injection needle comprises an injection needle cylinder, a push rod matched on the injection needle cylinder, a caliper arranged on one side of the outer surface of the injection needle cylinder, and a fixing seat, wherein the caliper comprises a ruler body, a digital display and a depth ruler, the two ends of the ruler body are fixed with the injection needle cylinder through a support, the digital display is in sliding fit on the ruler body, the depth ruler is matched on the back of the digital display and matched with the back of the ruler body, one end, located on the outer side of the injection needle cylinder, of the push rod is provided with a positioning block, the other end of the push rod is provided with a piston, the end, far away from the push rod, of the positioning block is provided with a double-sided tooth-shaped strip, the upper portion of the double-sided tooth-shaped strip is matched with a first gear, the lower portion of the double-sided tooth-shaped strip is provided with a second gear, a first rotating shaft is arranged on the first gear, the both ends of first pivot, second pivot are passed respectively 2 fixed plates, first pivot, second pivot with all cooperate with the bearing between 2 fixed plates the both ends of first pivot, second pivot all are provided with circular rotatory piece.
Preferably, one end of the injection syringe is provided with a nipple and a pressure testing port, the pressure testing port is matched with a pressure sensor in a sealing way, the pressure sensor is connected with a data recorder, and the data recorder is also connected with an electronic sphygmomanometer for measurement.
Preferably, the pressure sensor is disposed flush with the inside surface of the syringe barrel.
Preferably, the surface of the digital display is provided with a display screen for displaying the distance and 2 keys, wherein the 2 keys are an on-off key and a zero setting key respectively.
Preferably, the pitch of the upper toothed strip of the double-sided toothed strip is greater than the pitch of the lower toothed strip.
Preferably, an arc-shaped groove for convenient operation is arranged around the circular rotating block.
Preferably, the fixed plate with the cooperation has the otic placode between the fixing base, the otic placode with all adopt the fix with screw between fixing base, the fixed plate.
The utility model has the advantages that: open the digital display ware on the slide caliper rule and set zero, rotatory circular rotatory piece in upper portion makes first gear revolve, first gear revolve drives two-sided profile of tooth strip and removes, observe the change on the digital display ware, the circular rotatory piece of rotatory lower part makes the second gear revolve when arriving the assigned position soon, second gear revolve can finely tune two-sided profile of tooth strip, ensure the injection volume, the pressure that data record appearance detected at same time record pressure sensor and electronic sphygmomanometer reach the patient, the rhythm of the heart, the pulse, can know how much big injection pressure through a large amount of data and be fit for the patient, avoid bringing the hidden danger for the patient because of injection pressure's too big or undersize.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view taken along direction a of the present invention;
fig. 3 is an enlarged view of the circular rotating block of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
A high pressure syringe having a high precision injection volume and pressure test device as shown in fig. 1, 2 and 3, characterized in that: the injection needle comprises an injection needle cylinder 1, a push rod 101 matched on the injection needle cylinder 1, a caliper 4 arranged on one side of the outer surface of the injection needle cylinder 1 and a fixing seat 3, wherein the caliper 4 comprises a caliper body 401, a digital display 403 and a depth gauge 402, two ends of the caliper body 401 are fixed with the injection needle cylinder 1 through a support 406, the digital display 403 is in sliding fit on the caliper body 401, the depth gauge 402 is matched on the back of the digital display 403 and matched with the back of the caliper body 401, one end, located on the outer side of the injection needle cylinder 1, of the push rod 101 is provided with a positioning block 103, the other end of the push rod 101 is provided with a piston 102, the end, far away from the push rod 101, of the positioning block 103 is provided with a double-sided tooth-shaped strip 2, the upper part of the double-sided tooth-shaped strip 2 is matched with a first gear 201, the lower part of the double-sided tooth-shaped strip 2, be provided with second pivot 204 on the second gear 202, the vertical 2 fixed plates 301 that are provided with of upper surface of fixing base 3, the both ends of first pivot 203, second pivot 204 pass respectively 2 fixed plates 301, first pivot 203, second pivot 204 with all cooperate bearing 205 between 2 fixed plates 301 the both ends of first pivot 203, second pivot 204 all are provided with circular rotatory piece 206. The ruler body is provided with scales, and when the digital display device is not powered on, the medical staff can know the injection amount through the scales.
The utility model discloses in the embodiment of a preferred, the one end of injection cylinder is provided with nipple 105 and pressure test port 104, pressure test port 104 sealed cooperation has a pressure sensor 5, the last data record appearance 6 that is connected with of pressure sensor, still be connected with on the data record appearance 6 and be used for measuring electrosphygmomanometer 7, the data record appearance can record injection pressure and patient's blood pressure, rhythm of the heart, pulse, supplies the researcher to provide medical data.
The utility model discloses in the embodiment of a preferred, pressure sensor 5 with the setting of injection cylinder 1's internal surface parallel and level can avoid piston and sensor to bump, influence the sensor precision.
The utility model discloses in the embodiment of a preferred, the surface of digital display 403 is provided with display screen 404 and 2 buttons 405 that show the distance, 2 buttons 405 are the on & off switch respectively and set zero the key.
The utility model discloses in the embodiment of a preferred, the tooth pitch of the upper portion profile of tooth strip of two-sided profile of tooth strip 2 is greater than the tooth pitch of lower part profile of tooth strip, utilizes the tooth pitch of two kinds of differences can carry out quick adjustment and fine setting, faster injection volume that reaches.
In a preferred embodiment of the present invention, the arc-shaped slot 207 is disposed around the circular rotating block 206 for easy operation, so that the user can use the device more comfortably.
The utility model discloses in the embodiment of a preferred, fixed plate 301 with the cooperation has otic placode 302 between the fixing base 3, otic placode 302 with all adopt screw 303 fixed between fixing base 3, the fixed plate 301.
The utility model has the advantages that: open the digital display ware on the slide caliper rule and set zero, rotatory circular rotatory piece in upper portion makes first gear revolve, first gear revolve drives two-sided profile of tooth strip and removes, observe the change on the digital display ware, the circular rotatory piece of rotatory lower part makes the second gear revolve when arriving the assigned position soon, second gear revolve can finely tune two-sided profile of tooth strip, ensure the injection volume, the pressure that data record appearance detected at same time record pressure sensor and electronic sphygmomanometer reach the patient, the rhythm of the heart, the pulse, can know how much big injection pressure through a large amount of data and be fit for the patient, avoid bringing the hidden danger for the patient because of injection pressure's too big or undersize.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. A high pressure syringe with high accuracy injection volume and pressure testing arrangement which characterized in that: the injection needle comprises an injection needle cylinder, a push rod matched on the injection needle cylinder, a caliper arranged on one side of the outer surface of the injection needle cylinder, and a fixing seat, wherein the caliper comprises a ruler body, a digital display and a depth ruler, the two ends of the ruler body are fixed with the injection needle cylinder through a support, the digital display is in sliding fit on the ruler body, the depth ruler is matched on the back of the digital display and matched with the back of the ruler body, one end, located on the outer side of the injection needle cylinder, of the push rod is provided with a positioning block, the other end of the push rod is provided with a piston, the end, far away from the push rod, of the positioning block is provided with a double-sided tooth-shaped strip, the upper portion of the double-sided tooth-shaped strip is matched with a first gear, the lower portion of the double-sided tooth-shaped strip is provided with a second gear, a first rotating shaft is arranged on the first gear, the both ends of first pivot, second pivot are passed respectively 2 fixed plates, first pivot, second pivot with all cooperate with the bearing between 2 fixed plates the both ends of first pivot, second pivot all are provided with circular rotatory piece.
2. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 1, wherein: one end of the injection syringe is provided with a nipple and a pressure testing port, the pressure testing port is matched with a pressure sensor in a sealing way, the pressure sensor is connected with a data recorder, and the data recorder is also connected with an electronic sphygmomanometer for measurement.
3. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 2, wherein: the pressure sensor is arranged flush with the inner surface of the syringe barrel.
4. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 1, wherein: the surface of digital display is provided with display screen and 2 buttons that show the distance, 2 buttons are the on & off key respectively and set zero the key.
5. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 1, wherein: the pitch of the upper toothed strip of the double-sided toothed strip is larger than that of the lower toothed strip.
6. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 1, wherein: arc-shaped grooves convenient to operate are formed in the periphery of the circular rotating block.
7. A high pressure syringe with high precision shot size and pressure testing apparatus as claimed in claim 1, wherein: the fixed plate with the cooperation has the otic placode between the fixing base, the otic placode with all adopt the fix with screw between fixing base, the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921373969.8U CN211068375U (en) | 2019-08-22 | 2019-08-22 | High-pressure injector with high-precision injection volume and pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921373969.8U CN211068375U (en) | 2019-08-22 | 2019-08-22 | High-pressure injector with high-precision injection volume and pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211068375U true CN211068375U (en) | 2020-07-24 |
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ID=71621076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921373969.8U Active CN211068375U (en) | 2019-08-22 | 2019-08-22 | High-pressure injector with high-precision injection volume and pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211068375U (en) |
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2019
- 2019-08-22 CN CN201921373969.8U patent/CN211068375U/en active Active
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