CN214860561U

CN214860561U - Radiopharmaceutical syringe

Info

Publication number: CN214860561U
Application number: CN202120077592.2U
Authority: CN
Inventors: 陈波; 徐鹏程; 许斌; 吴松年; 李蓓; 张苗苗; 郑有芳
Original assignee: SHANGHAI GMS PHARMACEUTICAL CO Ltd
Current assignee: SHANGHAI GMS PHARMACEUTICAL CO Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-11-26
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a radiopharmaceutical syringe, relate to medical instrument technical field, the cylinder is installed in the radiation protection casing, the syringe needle is installed in the one end of cylinder and is located the radiation protection casing outside, it is equipped with the piston to slide in the cylinder, the fixed piston rod that is equipped with of one end that the syringe needle was kept away from to the piston, the piston rod is connected with injection drive arrangement, injection drive arrangement can actuating piston rod along the cylinder axis removal, fixed being equipped with on the radiation protection casing pierces positioner, it includes flexible pipe and location drive arrangement to pierce positioner, flexible pipe box locate the syringe needle outside and with radiation protection casing fixed connection, the one end that the cylinder was kept away from to flexible pipe is the location end, thereby location drive arrangement can drive flexible interval between the needle point of adjusting location end and syringe needle, the location end be used for with wait to pierce the position skin contact and fix a position in order to the syringe needle depth of penetration. Can improve the injection efficiency, reduce the injection labor intensity and reduce the radiation hazard to operators.

Description

Radiopharmaceutical syringe

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a radiopharmaceutical syringe.

Background

When nuclear medicine examination is carried out, the radioactive medicines are required to be injected, and the penetration depth of the needle head of the injector is different at different examination parts. When the radioactive medicine is injected, because of manual injection, if the puncture depth of the needle head is observed by visual inspection, the puncture depth cannot be accurately grasped, and the injection depth can be achieved only by carrying out multiple operations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radiopharmaceutical syringe to solve the problem that above-mentioned prior art exists, improve injection efficiency, reduce injection intensity of labour, reduce the radiation hazard to operating personnel.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a radiopharmaceutical syringe, include radiation protection casing, cylinder, syringe needle, pierce positioner and injection drive arrangement, the cylinder install in the radiation protection casing, the syringe needle install in the one end of cylinder is located the radiation protection casing outside, it is equipped with the piston to slide in the cylinder, the piston is kept away from the fixed piston rod that is equipped with of one end of syringe needle, the piston rod with injection drive arrangement connects, injection drive arrangement can drive the piston rod is followed cylinder axial displacement, the last fixed being equipped with of radiation protection casing pierce positioner, pierce positioner and include flexible pipe and positioning drive arrangement, flexible pipe box is located outside the syringe needle and with radiation protection casing fixed connection, flexible pipe is kept away from the one end of cylinder is the location end, positioning drive arrangement can drive thereby flexible regulation flexible pipe location end with syringe needle location end with flexible pipe location end The positioning end is used for contacting with the skin of the part to be punctured so as to position the puncturing depth of the needle head.

Preferably, the injection driving device comprises an injection electric push rod and a push plate, the injection electric push rod is fixedly connected to the outer side wall of the radiation-proof shell and parallel to the axis of the needle cylinder, one end of the injection electric push rod is fixedly connected with the push plate, the push plate is fixedly connected with the piston rod, and the injection electric push rod stretches and retracts to drive the push plate to move so as to drive the piston rod to move along the axial direction of the needle cylinder.

Preferably, a silica gel pad is fixedly arranged on the positioning end.

Preferably, the radiation protection shell outer wall is fixedly provided with a connecting pipe, the connecting pipe is sleeved outside the needle head, one end of the telescopic pipe is in threaded connection with the connecting pipe, and the outer side wall of the radiation protection shell is further provided with an observation window.

Preferably, the positioning driving device comprises a positioning electric push rod and a connecting plate, the positioning electric push rod is fixedly connected to the outer wall of the radiation-proof shell, one end of the positioning electric push rod is fixedly connected to the connecting plate, the connecting plate is fixedly connected to the telescopic pipe, and the positioning electric push rod can drive the connecting plate to move and drive the telescopic pipe to stretch and retract.

Preferably, a handle is fixedly arranged on the outer side wall of the radiation-proof shell, a controller is fixedly arranged in the handle, and the injection driving device and the positioning driving device are electrically connected with the controller.

Preferably, the lower end of the handle is detachably connected with a battery pack, and the injection driving device and the positioning driving device are electrically connected with the battery pack.

Preferably, still include the protection bellows, the fixed cover of protection bellows one end is located outside the radiation protection casing, the sealed fixedly connected with seal baffle of the protection bellows other end, seal baffle one end with piston rod fixed connection, the seal baffle other end with push pedal fixed connection.

Preferably, a guide plate is fixedly arranged in the radiation-proof shell, a guide hole is formed in the guide plate, and the piston rod is slidably arranged in the guide hole.

Preferably, a needle head connecting pipe is fixedly arranged at one end of the needle cylinder, the needle head is arranged on the needle head connecting pipe, and a columnar bulge matched with the needle head connecting pipe is fixedly arranged at one end, close to the needle head, of the piston.

The utility model discloses for prior art gain following technological effect:

the utility model provides a radioactive drug injector, which drives a telescopic tube to stretch in advance through a positioning driving device according to different injection positions so as to adjust the distance between a positioning end and the needle point of a needle head to a proper value, and the needle head is penetrated into the skin during injection, and the positioning end is contacted with the skin of the part to be punctured, the puncture depth of the needle head can be quickly and accurately positioned and the needle head can be punctured for injection, the injection efficiency is improved, in addition, when the medicine is injected, the piston rod is driven to move by the injection driving device, so that the piston is driven to inject the radiopharmaceutical in the needle cylinder into a human body, the defects of high labor intensity and low efficiency caused by a manual injection mode are overcome, the labor intensity during injection can be greatly reduced, the injection efficiency is improved, the injection time of operators is shortened, and the radiation hazard to the operators is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 a radiopharmaceutical syringe provided in the present invention;

FIG. 2 is a schematic view of a radiation shield housing of the radiopharmaceutical syringe provided in the present invention;

FIG. 3 is an enlarged fragmentary view of portion I of the radiopharmaceutical syringe of FIG. 1;

FIG. 4 is an enlarged fragmentary view of portion II of the radiopharmaceutical syringe of FIG. 1;

in the figure: 100-radioactive drug injector, 1-radiation protection shell, 2-needle cylinder, 3-needle head, 4-puncture positioning device, 5-injection driving device, 6-piston, 7-piston rod, 8-telescopic tube, 9-positioning driving device, 10-positioning end, 11-injection electric push rod, 12-push plate, 13-silica gel pad and 14-connecting tube, 15-positioning electric push rod, 16-connecting plate, 17-observation window, 18-handle, 19-controller, 20-battery pack, 21-protective corrugated pipe, 22-sealing baffle, 23-guide plate, 24-guide hole, 25-needle connecting pipe, 26-columnar projection, 27-bolt, 28-fixed pipe and 29-movable pipe.

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 work belong to the protection scope of the present invention.

The utility model aims at providing a radiopharmaceutical syringe to solve the problem that prior art exists, improve injection efficiency, reduce injection intensity of labour, reduce the radiation hazard to operating personnel.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, this embodiment provides a radiopharmaceutical syringe 100, which includes a radiation-proof housing 1, a needle cylinder 2, a needle 3, a puncturing positioning device 4 and an injection driving device 5, wherein the needle cylinder 2 is installed in the radiation-proof housing 1, the needle 3 is installed at one end of the needle cylinder 2 and is located outside the radiation-proof housing 1, a piston 6 is slidably installed in the needle cylinder 2, a piston rod 7 is fixedly installed at one end of the piston 6 away from the needle 3, the piston rod 7 is connected to the injection driving device 5, the injection driving device 5 can drive the piston rod 7 to move axially along the needle cylinder 2, the radiation-proof housing 1 is fixedly provided with the puncturing positioning device 4, the puncturing positioning device 4 includes a telescopic tube 8 and a positioning driving device 9, the telescopic tube 8 is sleeved outside the needle 3 and is fixedly connected to the radiation-proof housing 1, one end of the telescopic tube 8 away from the needle cylinder 2 is a positioning end 10, the positioning driving device 9 can drive the telescopic tube 8 to extend and retract so as to adjust a distance between the positioning end 10 and a needle point of the needle 3, the positioning end 10 is used to contact the skin of the site to be penetrated to position the penetration depth of the needle 3.

When in use, the piston rod 7 is driven to contract by the positioning driving device 9, the piston rod 7 is driven to move by the injection driving device 5, the radioactive drug is sucked into the needle cylinder 2, then the telescopic tube 8 is driven to stretch by the positioning driving device 9 in advance according to the position to be injected, the distance between the positioning end 10 and the needle point of the needle head 3 is adjusted to a proper value, the needle head 3 is penetrated into the skin and the positioning end 10 is contacted with the skin of the position to be penetrated, the penetration depth of the needle head 3 can be quickly and accurately positioned and penetrated for injection, the injection efficiency is improved, and when the radioactive drug is injected, the piston rod 7 is driven to move by the injection driving device 5, so as to drive the piston 6 to inject the radioactive drug in the needle cylinder 2 into a human body, the defects of high labor intensity and low efficiency caused by adopting a manual injection mode are overcome, and the radioactive drug injector 100 is adopted, the labor intensity during injection can be greatly reduced, and the injection efficiency is improved, so that the injection time of operators is reduced, and the radiation hazard to the operators is reduced.

As shown in fig. 1, in this embodiment, the injection driving device 5 includes an injection electric push rod 11 and a push plate 12, the injection electric push rod 11 is fixedly connected to the outer side wall of the radiation-proof housing 1 and is parallel to the axis of the syringe 2, one end of the injection electric push rod 11 is fixedly connected to the push plate 12, the push plate 12 is fixedly connected to the piston rod 7, the injection electric push rod 11 stretches and retracts to drive the push plate 12 to move so as to drive the piston rod 7 to move along the axial direction of the syringe 2, the injection of the radiopharmaceutical can be conveniently and rapidly completed, and the injection efficiency is improved.

As shown in fig. 1 and 3, in the present embodiment, the positioning end 10 is fixedly provided with the silicone pad 13, and during injection, the positioning end 10 contacts with the skin of the human body through the silicone pad 13, so that the comfort of the patient can be improved, the stress reaction of the patient can be reduced, and the injection can be smoothly performed.

As shown in fig. 1 to 3, in this embodiment, a connecting pipe 14 is fixedly arranged on an outer wall of the radiation protection casing 1, the connecting pipe 14 is sleeved outside the needle 3, one end of the telescopic pipe 8 is connected to the connecting pipe 14 through a thread, an observation window 17 is further arranged on a side wall of the radiation protection casing 1, the telescopic pipe 8 and the connecting pipe 14 are connected through a thread, the connection is convenient and reliable, and the remaining amount of the radiopharmaceutical in the needle cylinder 2 can be visually observed through the observation window 17, so that the injection amount of the radiopharmaceutical can be controlled.

As shown in fig. 1 and fig. 3, in this embodiment, the positioning driving device 9 includes a positioning electric push rod 15 and a connecting plate 16, the positioning electric push rod 15 is fixedly connected to the outer wall of the radiation-proof housing 1, one end of the positioning electric push rod 15 is fixedly connected to the connecting plate 16, the connecting plate 16 is fixedly connected to the telescopic tube 8, the positioning electric push rod 15 can stretch and contract to drive the connecting plate 16 to move so as to drive the telescopic tube 8 to stretch and contract, the structure is simple, the stretching amount of the telescopic tube 8 can be conveniently and quickly adjusted and controlled, and therefore the distance between the positioning end 10 and the needle point of the needle head 3 can be adjusted. The telescopic pipe 8 comprises a fixed pipe 28 and a movable pipe 29, the fixed pipe 28 is in threaded connection with the connecting pipe 14, the fixed pipe 28 is of a double-layer pipe wall structure, one end of the movable pipe 29 is slidably connected in a cavity between double-layer pipe walls of the fixed pipe 28, the connecting plate 16 is fixedly connected at one end, far away from the needle cylinder 2, of the movable pipe 29, and the silicone pad 13 is fixedly connected on the end face, far away from the needle cylinder 2, of the movable pipe 29.

As shown in fig. 1, in the present embodiment, a handle 18 is fixedly disposed on an outer side wall of the radiation-proof housing 1, a controller 19 is fixedly disposed in the handle 18, and the injection driving device 5 and the positioning driving device 9 are electrically connected to the controller 19. The injection driving device 5 and the positioning driving device 9 can be conveniently controlled by the controller 19 so as to control and adjust the movement of the piston rod 7 and the extension of the extension tube 8, and during operation, the handle 18 is held by hand to avoid direct contact with the radiation-proof shell 1, thereby reducing the radiation hazard of the radioactive drug to the operator.

As shown in fig. 1, in the present embodiment, a battery pack 20 is detachably connected to the lower end of the handle 18, the injection driving device 5 and the positioning driving device 9 are both electrically connected to the battery pack 20, the battery pack 20 can provide electric energy for the injection driving device 5 and the positioning driving device 9, the battery pack 20 is a rechargeable battery pack, when the electric energy is used up, the battery pack 20 is detached for charging, and can be continuously used after being fully charged, so that the use is very convenient.

As shown in fig. 1 and fig. 4, in this embodiment, the radiation protection device further includes a protection corrugated tube 21, one end of the protection corrugated tube 21 is fixedly sleeved outside the radiation protection casing 1, the other end of the protection corrugated tube 21 is fixedly connected with a sealing baffle 22 in a sealing manner, one end of the sealing baffle 22 is fixedly connected with the piston rod 7, and the other end of the sealing baffle 22 is fixedly connected with the push plate 12. Wherein, seal baffle 22 passes through bolt 27 fixed connection with push pedal 12, and convenient connection when injection electric putter 11 goes wrong and damages, can pull down bolt 27 to be convenient for maintain or change injection electric putter 11, protective bellows 21 can play certain guard action to piston rod 7, and can stretch out and draw back along with the removal of piston rod 7 adaptability.

As shown in fig. 1, in this embodiment, a guide plate 23 is fixedly disposed in the radiation-proof housing 1, a guide hole 24 is disposed on the guide plate 23, and the piston rod 7 is slidably disposed in the guide hole 24, wherein the guide plate 23 is fixedly connected to a port of the radiation-proof housing 1, and can limit the syringe 2, prevent the syringe 2 from axially moving in the radiation-proof housing 1, guide the moving process of the piston rod 7, and improve the moving stability of the piston rod 7.

As shown in fig. 1 and fig. 3, in this embodiment, the fixed syringe needle connecting pipe 25 that is equipped with of 2 one end of cylinder, syringe needle 3 installs on syringe needle connecting pipe 25, the fixed column arch 26 that is equipped with and syringe needle connecting pipe 25 assorted of one end that piston 6 is close to syringe needle 3, during the radiopharmaceutical injection, the medicine with in the syringe needle connecting pipe 25 is extruded to the interior syringe needle connecting pipe 25 of column arch 26 stretching into, can avoid the residue of radiopharmaceutical in the syringe needle connecting pipe 25, improve the accuracy that the dose was injected.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A radiopharmaceutical syringe, characterized by: the needle cylinder is arranged in the radiation-proof shell, the needle head is arranged at one end of the needle cylinder and positioned outside the radiation-proof shell, a piston is arranged in the needle cylinder in a sliding manner, a piston rod is fixedly arranged at one end, far away from the needle head, of the piston and connected with the injection driving device, the injection driving device can drive the piston rod to axially move along the needle cylinder, the radiation-proof shell is fixedly provided with the penetration positioning device, the penetration positioning device comprises a telescopic pipe and a positioning driving device, the telescopic pipe is sleeved outside the needle head and fixedly connected with the radiation-proof shell, one end, far away from the needle cylinder, of the telescopic pipe is a positioning end, and the positioning driving device can drive the telescopic pipe to stretch so as to adjust the distance between the positioning end and the needle point of the needle head, the positioning end is used for contacting with the skin of a position to be penetrated so as to position the penetration depth of the needle head.

2. A radiopharmaceutical syringe as set forth in claim 1 wherein: the injection driving device comprises an injection electric push rod and a push plate, the injection electric push rod is fixedly connected to the outer side wall of the radiation-proof shell and parallel to the axis of the needle cylinder, one end of the injection electric push rod is fixedly connected with the push plate, the push plate is fixedly connected with the piston rod, and the injection electric push rod can drive the push plate to move so as to drive the piston rod to move along the axial direction of the needle cylinder in a telescopic mode.

3. A radiopharmaceutical syringe as set forth in claim 1 wherein: and a silica gel pad is fixedly arranged on the positioning end.

4. A radiopharmaceutical syringe as set forth in claim 1 wherein: the radiation protection device is characterized in that a connecting pipe is fixedly arranged on the outer wall of the radiation protection shell, the connecting pipe is sleeved outside the needle head, one end of the telescopic pipe is in threaded connection with the connecting pipe, and an observation window is further arranged on the outer side wall of the radiation protection shell.

5. A radiopharmaceutical syringe as set forth in claim 1 wherein: the positioning driving device comprises a positioning electric push rod and a connecting plate, the positioning electric push rod is fixedly connected to the outer wall of the radiation-proof shell, one end of the positioning electric push rod is fixedly connected with the connecting plate, the connecting plate is fixedly connected with the telescopic pipe, and the positioning electric push rod can stretch and drive the connecting plate to move and drive the telescopic pipe to stretch and retract.

6. A radiopharmaceutical syringe as set forth in claim 1 wherein: the radiation protection device is characterized in that a handle is fixedly arranged on the outer side wall of the radiation protection shell, a controller is fixedly arranged in the handle, and the injection driving device and the positioning driving device are electrically connected with the controller.

7. A radiopharmaceutical syringe as set forth in claim 6 wherein: the lower end of the handle is detachably connected with a battery pack, and the injection driving device and the positioning driving device are electrically connected with the battery pack.

8. A radiopharmaceutical syringe as set forth in claim 2 wherein: still include the protection bellows, the fixed cover of protection bellows one end is located outside the radiation protection casing, a sealing baffle of the sealed fixedly connected with of protection bellows other end, sealing baffle one end with piston rod fixed connection, the sealing baffle other end with push pedal fixed connection.

9. A radiopharmaceutical syringe as set forth in claim 1 wherein: a guide plate is fixedly arranged in the radiation-proof shell, a guide hole is formed in the guide plate, and the piston rod is slidably arranged in the guide hole.

10. A radiopharmaceutical syringe as set forth in claim 1 wherein: the syringe needle connecting pipe is fixedly arranged at one end of the syringe, the syringe needle is installed on the syringe needle connecting pipe, and a columnar bulge matched with the syringe needle connecting pipe is fixedly arranged at one end, close to the syringe needle, of the piston.