CN218980037U

CN218980037U - Universal automatic syringe suction device

Info

Publication number: CN218980037U
Application number: CN202221773617.3U
Authority: CN
Inventors: 胡海雁; 胡艳萍; 庞烨琼
Original assignee: First Affiliated Hospital of ZCMU
Current assignee: First Affiliated Hospital of ZCMU
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-05-09
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to the field of medical equipment, in particular to a universal automatic needle cylinder suction device which comprises a shell and a push-pull mechanism positioned in the shell, wherein a main positioning plate and an auxiliary positioning plate are fixed outside the shell, each of the main positioning plate and the auxiliary positioning plate comprises an elastic clamping part, the clamping parts are arc-shaped and are used for clamping a needle cylinder, the main positioning plate is fixed at one end of the shell and is connected and fixed on the push-pull mechanism, the auxiliary positioning plate is fixed at the other end of the shell and is connected and fixed on the push-pull mechanism, and the push-pull mechanism is used for enabling the main positioning plate and the auxiliary positioning plate to be close to or far away from each other. According to the utility model, through the elastic clamping part, the syringes with different capacities can be clamped, the universality of the device is improved, the suction requirements of the syringes with different capacities are adapted, the application range is enlarged, one type of product can be produced to be widely applied to various departments, and more nurses can be liberated from mechanical labor, so that the medical efficiency and the resource utilization rate are improved.

Description

Universal automatic syringe suction device

Technical Field

The utility model relates to the field of medical appliances, in particular to a universal automatic syringe suction device.

Background

The syringe is a common medical appliance, is widely applied to extraction and injection of liquid medicine, has higher suction difficulty when a high-capacity needle cylinder is adopted, has higher force required when a nurse extracts the liquid medicine, is easy to hurt hands, causes finger pain, has damaged joints, even can accidentally hurt hands of the nurse, has a department with high partial suction workload, and can cause pollution of the needle head due to fatigue or busyness, has risk of infection or causes liquid medicine pollution to be unusable, so that the automatic suction and injection device is necessary to be designed to help the nurse solve the adverse effect caused by repeated operation of the needle cylinder, so that the nurse can liberate more energy from repeated labor of the machine, and can put nursing and curing patients, thereby improving the utilization rate of medical resources.

For example, the Chinese patent application No. 201611124255.4 is entitled a hand-held device for assisting an injector in automatic aspiration and injection, comprising a syringe holder, a slider and a drive device, wherein the slider is inserted into the syringe holder and can reciprocate linearly relative to the syringe holder, the syringe holder is provided with a fastening device for fastening the syringe to the syringe holder, and the slider is provided with a piston rod fixing device for connecting a piston rod. Although the utility model can provide the functions of injecting and sucking medicines at uniform speed and reduce the labor intensity of medical staff, the utility model cannot be applied to syringes with different capacities and has limitation.

Disclosure of Invention

The utility model aims to provide a universal automatic syringe suction device, which can clamp syringes with different capacities through an elastic clamping part, improves the universality of the device, adapts to the suction needs of the syringes with different capacities, expands the application range, can be widely applied to various departments by producing one type of product on one hand, can release more nurses from mechanical labor on the other hand, and improves the medical efficiency and the resource utilization rate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a general automatic cylinder suction device, includes the casing and is located the push-pull mechanism of casing, the outside of casing is fixed with main locating plate and vice locating plate, main locating plate and vice locating plate all include the clamping part that has elasticity, clamping part is arc and clamping part is used for pressing from both sides tight cylinder, and main locating plate is fixed in the one end of casing and is connected and fix on push-pull mechanism, and vice locating plate is fixed in the other end of casing and is connected and fix on push-pull mechanism, and push-pull mechanism is used for making main locating plate and vice locating plate be close to each other or keep away from. The needle cylinder is fixed through the clamping part, the clamping part is contractible, the needle cylinders with different widths are clamped, the needle cylinder is controlled to suck through the push-pull mechanism, automatic suction is achieved, manual suction is not needed, the needle cylinders with different capacities and sizes can be adapted, the requirements of various departments can be met, the universality is good, the function of the automatic suction device is fully exerted, more nurses can put energy on medical treatment, and the utilization rate of medical resources is improved.

Preferably, the clamping portion comprises an arc-shaped rod, the arc-shaped rod is an elastic piece, and the arc-shaped rod is located on the outer side of the shell. The arc-shaped rod is an elastic piece, the needle cylinder is kept and fixed on the shell through elasticity, the arc-shaped shape is attached to the shape of the needle cylinder, the needle cylinder can be better gripped, and suction failure caused by the microphone is prevented.

Preferably, the number of the arc bars of the clamping portion is 2, the arc bars are arranged on the left and right sides in the width direction of the housing, and the arc bars on the left and right sides have a tendency to approach each other. The two arc rods are close to each other to surround the side edge of the needle cylinder, and surround to form a whole circumference around the outside of the needle cylinder, so that the needle cylinder is better fixed, and suction failure caused by a microphone is prevented.

Preferably, the arc-shaped rod is in a minor arc shape, one end of the arc-shaped rod is fixed with the push-pull mechanism, and the other end of the arc-shaped rod is not in contact with the end of the other arc-shaped rod. The arc pole itself is the elastic component, and when the diameter of cylinder is less, the arc pole hugs closely the cylinder, but the tip of two arc poles can not contact together, if the tip of two arc poles contact together, then form the space easily between arc pole enclose and close department and cylinder lateral wall, lead to unable hugging closely the cylinder, consequently in order to ensure that the locating plate can press from both sides tight cylinder, the arc pole sets up to the minor arc and can effectively prevent to the problem of hugging closely less cylinder of diameter.

Preferably, the clamping part further comprises a jointing sleeve, the jointing sleeve is sleeved outside the arc-shaped rod, and the length of the jointing sleeve does not exceed the length of the arc-shaped rod. The laminating sleeve is used for increasing the friction force between the locating plate and the needle cylinder, so that the locating plate can better clamp the needle cylinder.

Preferably, the attaching sleeve comprises a spring, the spring is arranged along the length direction of the arc-shaped rod and is used for enabling the attaching sleeve to stretch and retract along the length direction of the arc-shaped rod. When the device is used for the needle cylinder with larger capacity, the attaching sleeve can be extended through the spring at the moment, the covering surface is increased, and the needle cylinder with larger capacity can be well held tightly.

Preferably, the push-pull mechanism comprises a gear and two racks which are externally meshed with the gear, the main positioning plate is fixed on one rack, the auxiliary positioning plate is fixed on the other rack, and the two racks are respectively positioned on two opposite sides of the gear. When the gear wheel rotates, the movement directions of the two racks are opposite, so that the needle cylinder can suck or push out the liquid medicine more quickly.

Preferably, a motor is connected to the gear, and the motor is used for driving the gear to rotate. The motor drives the gear to rotate, so that the suction or pushing out of the needle cylinder can be controlled by forward rotation or reverse rotation, and the speed of sucking or pushing out the liquid medicine can be controlled by adjusting the running speed of the motor.

Preferably, the primary locating plate is adapted to be secured to the cannula of the barrel and the secondary locating plate is adapted to be secured to the piston of the barrel at a position adjacent the piston stem. When the needle cylinder is in suction, the required force is large, so the device is mainly applied to automation of suction action of the needle cylinder, and the auxiliary positioning plate is arranged on the inner side of the piston handle of the needle cylinder, so that the auxiliary positioning plate and the piston handle are mutually abutted together in suction, and the auxiliary positioning plate and the needle cylinder are prevented from loosening, so that the stability of positioning the needle cylinder is further improved.

The utility model has the advantages that: through having elastic clamping part for can clip the cylinder of different capacity sizes, improve the commonality of device, adapt to the suction needs of different capacity cylinders, enlarge application range, on the one hand produce a type of product can extensively be suitable for each department, on the other hand can make more nurses liberate from mechanical work, improve medical efficiency and resource utilization.

Drawings

Fig. 1 is a front cross-sectional view of a universal automatic syringe suction device of the present utility model.

Fig. 2 is a top view of the universal automatic syringe suction device of the present utility model.

Fig. 3 is a schematic view of a main locating plate of the universal automatic syringe suction apparatus of the present utility model.

Fig. 4 is an enlarged schematic view of the adapter sleeve at the secondary positioning plate of the universal automatic syringe suction device of the present utility model.

Fig. 5 is a schematic view of a push-pull mechanism of the universal automatic syringe suction device of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

The utility model provides a general automatic cylinder suction device, as shown by fig. 1 and 2 and 3 and 5, including casing 7 and the push-and-pull mechanism who is located casing 7, the outside of casing 7 is fixed with main locating plate 5 and vice locating plate 6, main locating plate 5 and vice locating plate 6 all contain arc pole 11, arc pole 11 is the elastic component, arc pole 11 is located the outside of casing 7, the quantity of arc pole 11 on main locating plate 5 and the vice locating plate 6 is 2, arc pole 11 arranges in the left and right sides along the width direction of casing 7, the arc pole 11 of left and right sides has the trend of being close to each other, main locating plate 5 is fixed in the one end of casing 7 and is connected and is fixed on push-and-pull mechanism, vice locating plate 6 is fixed in the other end of casing 7 and is connected and is fixed on push-and-pull mechanism, push-and-pull mechanism is used for making main locating plate 5 and vice locating plate 6 be close to or keep away from each other. The needle cylinder is fixed through the clamping part, the clamping part is contractible, the needle cylinders with different widths are clamped, the needle cylinder is controlled to suck through the push-pull mechanism, automatic suction is achieved, manual suction is not needed, the needle cylinders with different capacities and sizes can be adapted, the requirements of various departments can be met, the universality is good, the function of the automatic suction device is fully exerted, more nurses can put energy on medical treatment, and the utilization rate of medical resources is improved. The arc-shaped rod 11 is an elastic piece, the needle cylinder is kept and fixed on the shell 7 through elasticity, the arc-shaped shape is attached to the shape of the needle cylinder, the needle cylinder can be better gripped, and suction failure caused by a microphone is prevented. The two arc-shaped rods 11 are close to each other to surround the side edge of the needle cylinder, and surround the needle cylinder to form a whole circumference, so that the needle cylinder is better fixed, and suction failure caused by a microphone is prevented.

As shown in fig. 3 and 4, the arc rod 11 is a minor arc and one end of the arc rod 11 is fixed to the push-pull mechanism, and the other end of the arc rod 11 is not in contact with the end of the other arc rod 11. The arc-shaped rod 11 is an elastic piece, when the diameter of the needle cylinder is smaller, the arc-shaped rod 11 is tightly held by the needle cylinder, but the end parts of the two arc-shaped rods 11 cannot be contacted together, if the end parts of the two arc-shaped rods 11 are contacted together, a gap is easily formed between the enclosing part of the arc-shaped rod 11 and the outer side wall of the needle cylinder, so that the needle cylinder cannot be tightly held, the needle cylinder can be clamped by the locating plate, and the problem that the needle cylinder with smaller diameter cannot be tightly held by the inferior arc can be effectively prevented by the arc-shaped rod 11.

As shown in fig. 3 and 4, the attaching sleeve 12 is sleeved outside the arc-shaped rod 11, and the length of the attaching sleeve 12 does not exceed the length of the arc-shaped rod 11. The adapter sleeve 12 serves to increase the friction between the locating plate and the syringe, thereby further enabling the locating plate to better grip the syringe. The abutment 12 includes a spring 13, the spring 13 being disposed along the length of the arcuate bar 11 and configured to extend and retract the abutment 12 along the length of the arcuate bar 11. When the device is used for a syringe with larger capacity, the attaching sleeve 12 can be extended through the spring 13, so that the covering surface is increased, and the syringe with larger capacity can be well held tightly.

As shown in fig. 1 and 5, the push-pull mechanism comprises a gear 9 and two racks 10 externally meshed with the gear 9, the main positioning plate 5 is fixed on one of the racks 10, the auxiliary positioning plate 6 is fixed on the other rack 10, the two racks 10 are respectively positioned on two opposite sides of the gear 9, the gear 9 is connected with a motor 8, and the motor 8 is used for driving the gear 9 to rotate. When the gear 9 rotates, the movement directions of the two racks 10 are opposite, so that the cylinder can suck or push out the medicine more quickly. The motor 8 drives the gear 9 to rotate, so that the suction or pushing out of the needle cylinder can be controlled by forward rotation or reverse rotation, and the speed of sucking or pushing out the liquid medicine can be controlled by adjusting the running speed of the motor 8.

As shown in fig. 2, the main locating plate 5 is used for being fixed on the sleeve of the syringe, the auxiliary locating plate 6 is used for being fixed on the piston of the syringe at a position close to the piston handle, and the guide rail 4 for sliding the main locating plate 5 and the auxiliary locating plate 6 is arranged on the shell. When the syringe is sucked, the main locating plate 5 and the auxiliary locating plate 6 are far away from each other, and the required force is large at the moment, so that the device is mainly applied to automation of the suction action of the syringe, and the auxiliary locating plate 6 is arranged on the inner side of the piston handle of the syringe, so that the auxiliary locating plate 6 and the piston handle are mutually abutted together during suction, loosening between the auxiliary locating plate 6 and the syringe is prevented, and the stability of locating the syringe is further improved.

Claims

1. The utility model provides a general automatic cylinder suction device, its characterized in that includes the casing and is located the push-and-pull mechanism of casing, the outside of casing is fixed with main locating plate and vice locating plate, main locating plate and vice locating plate all include the clamping part that has elasticity, clamping part is arc and clamping part is used for pressing from both sides tight cylinder, and main locating plate is fixed in the one end of casing and is connected and fix on push-and-pull mechanism, and vice locating plate is fixed in the other end of casing and is connected and fix on push-and-pull mechanism, and push-and-pull mechanism is used for making main locating plate and vice locating plate be close to each other or keep away from.

2. The universal automatic syringe suction apparatus of claim 1, wherein the gripping portion comprises an arcuate lever, the arcuate lever being a resilient member, the arcuate lever being located outside of the housing.

3. The universal automatic cylinder sucking apparatus according to claim 2, wherein the number of the arc-shaped bars of the grip portion is 2, the arc-shaped bars are arranged on the left and right sides in the width direction of the housing, and the arc-shaped bars on the left and right sides have a tendency to approach each other.

4. A universal automatic syringe suction apparatus as claimed in claim 3, wherein the arcuate lever is a minor arc and one end of the arcuate lever is secured to the push-pull mechanism and the other end of the arcuate lever is not in contact with the end of the other arcuate lever.

5. The universal automatic syringe suction apparatus of claim 3 wherein the gripping portion further comprises a collar, the collar being disposed externally of the arcuate lever and the collar having a length not exceeding the length of the arcuate lever.

6. The universal automatic syringe suction apparatus of claim 5 wherein the adapter sleeve comprises a spring disposed along the length of the arcuate lever and configured to extend and retract the adapter sleeve along the length of the arcuate lever.

7. The universal automatic syringe pumping apparatus according to claim 1, wherein the push-pull mechanism comprises a gear and two racks externally engaged with the gear, the primary locating plate is fixed to one of the racks, the secondary locating plate is fixed to the other rack, and the two racks are respectively located on opposite sides of the gear.

8. The universal automatic syringe pumping apparatus of claim 7, wherein a motor is coupled to the gear, the motor configured to drive the gear in rotation.

9. The universal automatic syringe pumping apparatus of claim 1, wherein the primary locating plate is adapted to be secured to a cannula of a syringe and the secondary locating plate is adapted to be secured to a piston of the syringe at a location adjacent to a piston stem.