Flat injector for animals
By designing a flat-shaped syringe and using a combination of double-sided adhesive and resilience rubber band, the problem of easy bending and breaking of the needle during injection in large animals is solved, achieving automatic drug delivery and improving injection efficiency.
Patent Information
- Application Number
- CN202323251728.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-30
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2033-11-30
AI Technical Summary
When existing syringes inject large animals intramuscularly, the needle is prone to bend or break, and the animal may hurt the veterinarian or leave needle residue when struggling, causing injury to the animal.
Design a flat-shaped syringe with the needle perpendicular to the syringe. After injection, double-sided tape is applied to the animal's skin, and the syringe is automatically administered through the elastic potential energy of the rebound rubber band.
It effectively avoids the bending and breaking of the needle, simplifies the injection operation, improves the efficiency and quality of the drug delivery operation, and is suitable for a variety of large animals.
Smart Images

Figure CN222815905U_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an injection device for animals, which is particularly suitable for intramuscular injection of drugs for large livestock (such as cattle, horses, etc.) which are difficult to restrain. Background Art
[0002] To deal with various viral, bacterial or parasitic diseases that infect animals, whether it is vaccine immunization or drug treatment, intramuscular injection is still the most commonly used, economical and simple method.
[0003] When injecting animals with existing syringes, the needle instantly pierces the animal's skin, causing pain to the animal. The animal will instinctively struggle, and there is no buffer between the syringe needle and the syringe body, which makes it easy for the syringe needle to bend or break. Even the broken needle will remain in the animal's body, causing harm to the animal. When veterinary staff inject animals, some of them take great pains to restrain the animals so that they cannot struggle at all. Some have mastered the skill of pushing the syringe to administer the drug instantly after the needle pierces the animal's skin, and then pulling out the needle. The intramuscular injection is completed in a very short time, and even the most skilled veterinarians are prone to mistakes. Especially for large cattle and horses, if they are not properly restrained, the cattle and horses will bump into the veterinarian holding the syringe when they struggle, and the sharp needle may injure the animal or people.
[0004] The utility model changes the mode of the traditional hand-pushing syringe push rod. After the syringe is directly attached to the animal, it is immediately away from the animal to allow the syringe to automatically administer the drug. The syringe is recovered after the drug administration is completed. The flat-shaped syringe is attached to the animal and is not easy to fall off even if the animal struggles violently. The utility model simplifies the injection operation technique. During the injection operation, there is no need to stay close to the animal for a long time, which effectively avoids the bending and breaking of the needle due to the struggle of the animal, improves the efficiency and quality of the injection operation, and is suitable for a variety of large animals such as pigs, cattle, and horses. Summary of the invention
[0005] The technical problem to be solved by the utility model is to provide a syringe which can conveniently inject and administer medicine to large animals.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a syringe designed in a flat shape, the needle is perpendicular to the syringe, after the needle is inserted into the subcutaneous tissue of the animal, the syringe can be attached to the animal, and the elastic potential energy of the rubber band is used to push the syringe to administer the drug.
[0007] In some implementations, the rubber band can be replaced with a spring or other material.
[0008] The syringe is designed in different sizes according to the needs and has a fixed loading volume. First, fix the needle of the syringe, remove the air in the syringe and suck up enough liquid medicine, insert the latch, fix the relative position of the push rod and the syringe, and then tighten the rubber band on the push rod, and the preparation for injection is ready.
[0009] Preferably, the surface of the plug should be smooth for easy insertion and removal, and metal materials can be used.
[0010] Preferably, the surface of the latch is coated with oil or vaseline for lubrication.
[0011] In some implementations, a snap-on or similar mechanism may be used to fix the relative position of the push rod and the syringe.
[0012] When the syringe is used, a finger is inserted into the pin ring, the syringe is picked up and quickly tapped to the injection site of the animal, the needle is inserted into the subcutaneous muscle of the animal, and the double-sided tape can be attached to the animal's skin (the adhesive force of the double-sided tape selected should be strong enough, and the strong adhesive selected for the sticky mouse board can be referred to). Pull out the pin, and the hand will be immediately separated from the syringe. No matter how the animal struggles, as long as it is not allowed to scratch the syringe, the syringe can complete the injection and administration under the push of the rubber band. Preferably, it is generally recommended to simply restrain the animal to prevent the animal from scratching the syringe. For example, for cattle, the nose ring of the cattle is tied to the tree trunk; for pigs, the pig's mouth is tied, and so on for the restraint of animals such as sheep and horses. When this patent is applied to animals with thicker hair, the general syringe needle may not be long enough, and the general iodine disinfection effect is not ideal. It is recommended to cut or shave the hair. Some animals like to turn over and lie on the ground to struggle. When restraining, it must be ensured that they cannot scratch the syringe, otherwise this patent is not applicable.
[0013] After the syringe push rod is automatically pushed to the bottom, the medication is finished, and the syringe can be recovered by grabbing the binding rope on the syringe. In some implementations, if there is a concern that the binding rope may get caught on something and the syringe may fall off by mistake, the binding rope of the syringe may be removed, and the syringe may be directly grabbed and removed for recovery.
[0014] In some implementations, the lashing rope can also be clamped with a clip to retrieve the syringe without approaching the animal.
[0015] A flat syringe for animals, comprising:
[0016] The syringe body (1) comprises a flat syringe (5) and a corresponding push rod (6); the outer wall of the syringe (5) is provided with: a needle interface (8) which is arranged perpendicular to the axis of the push rod (6) and is located on the side surface of the bottom of the syringe (5); and a pin hole (10) which is located at the far end from the needle interface (8);
[0017] Double-sided adhesive tape (2): adhered and fixed to the contact surface with the livestock skin, next to the needle interface (8);
[0018] Elastic drive component: The two ends of the rebound rubber band (3) are fixed to the syringe (5), and the middle part forms a push rod limiting area;
[0019] Safety locking device: the latch (4) comprises a latch post (4.1) and a latch ring (4.2);
[0020] Auxiliary parts: tie rope (9).
[0021] Its working principle is:
[0022] 1. Pre-charging stage: The push rod (6) is locked to a fixed position by means of the latch (4), and the rebound rubber band (3) is in an energy storage state.
[0023] 2. Injection process: vertical insertion → double-sided tape (2) adheres to animal skin → releases latch (4) → rebound rubber band (3) releases energy to drive injection of drug solution.
[0024] 3. Recovery stage: Recover by tying ropes (9) or directly grabbing. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0026] Figure 1 This is a side view of the design: showing the spatial relationship between the double-sided tape (2), the latch (4), the flat syringe (5), the push rod (6), the piston (7) and the needle.
[0027] Figure 2 This is a top view of the design, showing the spatial relationship between the rebound rubber band (3), the flat syringe (5), the push rod (6), the piston (7), the needle interface (8), the binding rope (9) and the pin hole (10).
[0028] Figure 3 This is a schematic diagram of a latch, one of the parts in this design: showing the details of the latch post (4.1) and the latch ring (4.2).
[0029] The following are the descriptions of the reference numerals:
[0030] 1: syringe body; 2: double-sided tape; 3: elastic rubber band; 4: latch; 4.1: latch column; 4.2: latch ring; 5: syringe barrel; 6: push rod; 7: piston; 8: needle interface; 9: binding rope; 10: latch hole.
[0031] The narrow surfaces on the left and right sides of the syringe (2) have two gripping points, A and B, and the upper and lower wide surfaces have a needle interface (8) on one side and a pressing point C on the other side. DETAILED DESCRIPTION
[0032] 1. Animal Preparation
[0033] In some examples, although animals such as cattle and horses do not need to be fully and firmly restrained, it is still recommended to perform necessary restraint. For example, cattle need to be tied with nose rings and tied to pillars or other stable places. It is better to have pillars on both sides of the animal's abdomen to restrict the animal's left and right strides. The animal can still move appropriately, and the owner can provide necessary comfort to ensure that the animal is relaxed instead of struggling and trying to escape.
[0034] In some examples, to ensure that the utility model can adhere to the animal's skin, the utility model without the needle can be used to try whether it can adhere to the skin through the double-sided tape (2). If it is not firmly adhered due to dirty hair or other reasons, the hair on the skin surface should be cut short or shaved and washed and air-dried.
[0035] In some examples, the needle is inserted into the relatively flat skin of the spinous process area of the seventh cervical vertebra while standing on the left side of the cow. According to the general requirements of injection, the needle site is prepared, disinfected with iodine, and then deiodinated with alcohol cotton to allow the alcohol on the cow's skin surface to evaporate naturally.
[0036] 2. Syringe Preparation
[0037] In some examples, when using the present invention, first check to make sure that the present invention and the needle are clean and sanitary, and that the components of the present invention are complete in structure and in good condition and meet the use requirements, and then fix and install the needle. A needle with a sufficiently long needle tube should be selected to ensure that the needle can reach the muscle after passing through the fur. The needle is inserted into the liquid medicine, and the push rod (6) is pushed and pulled to remove the air in the syringe (5). After further sucking enough liquid medicine, the pin (4) is inserted into the pin hole (10) to fix the relative position of the push rod (6) and the syringe (5), and then the elastic rubber band (3) is tightened and sleeved on the push rod (6). Clean the outer surface of the syringe (5), cut a piece of double-sided tape (2) with a total area of sufficient size, and fix the double-sided tape (2) flatly on the side of the syringe (5) with the needle interface (8), and appropriately preheat the present invention to the animal body temperature to avoid affecting the adhesion effect of the double-sided tape (2) due to the low temperature of the liquid medicine. Tear off the release paper on the double-sided tape to expose the adhesive.
[0038] 3. Injection operation
[0039] In some examples, the middle finger and thumb of the right hand hold the two sides of the utility model (points A and B in the attached figure), the index finger is placed on the end of the syringe needle (point C in the attached figure), one of the ring finger or the little finger is inserted into the pin ring (4.2), and the first joint of the ring finger or the little finger end is inserted into the pin ring (4.2), and the remaining little finger or the ring finger gently leans against the outer wall of the syringe (5), and the state that the ring finger or the little finger can be bent at any time to pull out the pin (4). Gently approach the left side of the animal, while the animal is relaxed, the needle is perpendicular to the animal's skin surface, and the bottom of the syringe (5) points to the lower left (from the side of the syringe (5) with the rope (9)), to avoid the animal's body surface protrusions hindering the injection operation, and at this angle, the utility model is slapped towards the prepared injection site, so that the syringe (5) can stick to the skin of the spinous process area of the seventh cervical vertebra of the animal. The needle is perpendicular to the animal's skin surface, and the index finger presses the needle end (point C in the attached figure) to push the needle into the disinfected area. During the needle piercing the skin, the middle finger and thumb must be relaxed and flexible, and the strength should only ensure that the syringe can be picked up instead of being rigidly grasped. When the animal begins to struggle and the needle may break, the fingers and even the entire arm should be flexibly adjusted to achieve buffering and ensure that the angle of the needle vertically piercing the skin will not be seriously deviated. If the animal struggles too violently, the utility model should be directly pulled out and retrieved, or the fingers should be released in advance, the arm should be retracted, and the utility model should be allowed to fall freely. After the animal is relaxed, prepare for the second injection. During the needle piercing process, the thrust applied to the utility model should be concentrated on the needle tip (point C in the attached figure). After the syringe needle is installed on the utility model, the appearance is like a large thumbtack, and you can refer to the method of using thumbtacks.
[0040] In some examples, after the needle is inserted into the muscle to a sufficient depth, the index finger continues to press the needle end of the syringe (5) to ensure that the needle tip is inserted into the muscle, and the double-sided tape (2) is adhered to the animal's skin, the ring finger or little finger is flexed to complete the action of pulling out the plug (4), and the middle finger and thumb acting on both sides of the utility model are released. After the plug (4) is pulled out, it is confirmed that the utility model is attached to the animal and the arm is retracted. After the utility model is attached to the animal's skin, it is appropriately away from the animal to ensure that the utility model is not scratched. The utility model uses the elastic potential energy of the rebound rubber band (3) to push the push rod to complete automatic drug delivery.
[0041] In some examples, the entire set of actions from the needle contacting the animal to pulling out the pin (4) and retracting the arm must be decisive and quick. Those who are not skilled in the operation can use materials such as stretched rubber sheets to simulate animal skin for practice.
[0042] In some examples, after the push rod (6) is automatically pushed to the bottom, the drug administration is completed, and the utility model can be recovered by grabbing the binding rope (9) on the utility model. In some implementations, if there is a concern that the binding rope (9) may get caught on something and cause the utility model to fall off by mistake, the binding rope (9) of the utility model can be removed, and the two sides of the utility model (points A and B in the attached figure) can be directly grasped and taken down for recovery. During the recovery process of the utility model, the action should also be decisive and quick to avoid unnecessary harm to the animal.
[0043] In some examples, the utility model is attached to the animal's skin. During the process of injecting and administering the drug, when you are appropriately away from the animal, you still need to keep an eye on the utility model to ensure that the utility model can adhere to the animal and complete the injection and administration. If the adhesion effect is too poor and the drug cannot be injected into the muscle in sufficient amount, check whether it is because the animal's skin surface is dirty or the double-sided tape (2) is not sticky enough. According to the reason, improve the working environment of the double-sided tape (2) and repeat the above operation to administer the drug again.
[0044] The above shows and describes the basic principles, main features and advantages of the utility model. It is understandable that the above embodiments are exemplary and cannot be understood as limiting the utility model. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, ordinary technicians in this field can make changes and improvements to the above embodiments, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A flat syringe for animals, comprising a syringe body (1), double-sided adhesive tape (2), a rebound rubber band (3) and a latch (4); the syringe body (1) is characterized in that: the syringe body (1) is similar to a conventional syringe, but has a flat syringe barrel (5) and a push rod (6) and a piston (7) of corresponding shapes; the flat syringe barrel has two upper and lower planes with the largest areas; the lower plane is close to the bottom of the syringe barrel (5) and has a needle interface (8); after the needle is connected, the needle and the push rod (6) are perpendicular to each other; the push rod (6) can be pushed and pulled to suck and eject the liquid in the syringe barrel (5) through the needle; a binding rope (9) is provided on the outer wall of the syringe barrel (5) on the other side opposite to the needle interface (8); the flat syringe for animals can be pulled out of the animal skin by pulling the binding rope (9) The double-sided adhesive tape (2) is characterized in that it is fixedly attached to the side of the outer wall of the syringe (5) where the needle interface (8) is provided, and when the needle is vertically inserted into the animal skin, the double-sided adhesive tape (2) can make the syringe (5) stick to the animal skin; the resilient rubber band (3) is characterized in that the two ends of the resilient rubber band (3) are respectively fixed to the outer wall of the end of the syringe (5) away from the needle interface (8), and after the push rod is put on the middle part of the resilient rubber band (3), the push rod (6) can be pushed to the bottom of the syringe (5); the latch (4) is characterized in that the latch column (4.1) has a smooth surface, and when inserted into the corresponding latch holes (10) of the syringe (5) and the push rod (6), the relative position of the syringe (5) and the push rod (6) can be fixed, and the tail end of the latch (4) is provided with a latch ring (4.2) for facilitating the removal of the latch.