CN213910233U

CN213910233U - Peripheral blood collecting and squeezing device

Info

Publication number: CN213910233U
Application number: CN202020717676.3U
Authority: CN
Inventors: 刘苇
Original assignee: Zhenjiang Fourth People's Hospital (zhenjiang Maternal And Child Health Hospital)
Current assignee: Zhenjiang Fourth People's Hospital (zhenjiang Maternal And Child Health Hospital)
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-08-10
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a peripheral blood collecting and squeezing device, which comprises a ring-type squeezing ring which can be elastically bent, wherein the ring-type squeezing ring is of an unclosed structure, one end of the ring-type squeezing ring is provided with a guide groove, the other end of the ring-type squeezing ring is provided with a guide section, and the guide section is movably arranged in the guide groove; the finger ring type extrusion ring is provided with a guide groove, one end of the finger ring type extrusion ring is also provided with a tilting part which is bent outwards, the tilting part is provided with a lock catch, the tail end of the lock catch is tightly abutted against the outer surface of the guide groove, the outer surface of the guide section is provided with a ratchet, and the ratchet is matched with the tail end of the lock catch, so that the guide section can only move in a single direction in the guide groove in a direction that the inner diameter of the finger ring type extrusion ring is reduced; an unlocking structure is arranged between the lock catch and the tilting part, and the tail end of the lock catch can be withdrawn from the ratchet by operating the unlocking structure. The utility model discloses can block the finger that needs to collect blood with the form of oppression, fingertip blood is abundant relatively, and the blood sampling is convenient, injury and contradiction that reducible extrusion and secondary misery brought.

Description

Peripheral blood collecting and squeezing device

Technical Field

The utility model relates to an accessory part is used in the blood sampling, and specifically speaking is a crowded ware of tip blood collection belongs to medical material design technical field of assisting.

Background

Peripheral blood collection is blood collection from the skin, also known as capillary blood collection, which is the collection of mixed whole blood of arterioles, venules, and capillaries. The peripheral blood sampling has the characteristics of convenient operation, light pain feeling, convenient reexamination, no influence on daily life and the like. Peripheral blood can be collected for detection in single blood tests with blood volume less than 0.1 ml, such as POCT (point of care testing) item, erythrocyte count, blood routine, blood grouping and the like. The peripheral blood sampling method has convenient operation and relatively constant examination result.

Currently, peripheral blood collection is usually finger belly bleeding by hand squeeze of medical personnel. When collecting blood from the tip of a finger (usually a ring finger), medical staff firstly pricks the finger of a patient, and then pushes the palm of the patient to the fingertip in a centrifugal pushing mode, so that the blood is collected after flowing out from the tip of the finger through body circulation. For some patients, if the amount of bleeding is small, medical staff need to pinch the fingers of the patient to continuously squeeze the palm to the fingertips in the collection process, and the effective amount of blood can be achieved through repeated operation for many times, so that the time is long, and the pushing is inconvenient.

In the process of collecting blood at the peripheral of fingers, part of patients, especially many children of smaller ages, can not be reasonably matched, so that blood at the peripheral of the fingers is difficult to collect in the pushing process, the collection time is long, the phenomenon that families cannot understand is caused due to excessive squeezing, and the contradiction between doctors and patients is increased. In addition, in the blood sampling process, the medical care personnel usually wear gloves to sample blood for patients, and the collection difficulty is increased due to the fact that the gloves are slippery.

Disclosure of Invention

An object of the utility model is to overcome the not enough of existence among the prior art, provide a peripheral blood collection crowded blood ware, its structure is ingenious, and reasonable in design can block the finger that needs collected blood with the form of oppression, and fingertip blood is abundant relatively, and the blood sampling is convenient, injury and contradiction that reducible extrusion and secondary misery brought.

According to the utility model provides a technical scheme: the peripheral blood collecting and squeezing device comprises a ring-type squeezing ring capable of being elastically bent, wherein the ring-type squeezing ring is of an unsealed structure, one end of the ring-type squeezing ring is provided with a guide groove, the other end of the ring-type squeezing ring is provided with a guide section, and the guide section is movably arranged in the guide groove; the finger ring type extrusion ring is characterized in that one end of the finger ring type extrusion ring, which is provided with a guide groove, is also provided with a tilting part which is bent outwards, a lock catch is arranged on the tilting part, the tail end of the lock catch is tightly abutted against the outer surface of the guide groove, the outer surface of the guide section is provided with a ratchet, and the ratchet is matched with the tail end of the lock catch, so that the guide section can only move in one direction in the guide groove in a direction that the inner diameter of the finger ring type extrusion ring is reduced; an unlocking structure is arranged between the lock catch and the tilting part, and the tail end of the lock catch can be withdrawn from the ratchet by operating the unlocking structure.

As a further improvement, be equipped with flat socket on the terminal surface of perk portion, the hasp is that cross-sectional shape is the hook-shaped hasp that the crook appears, and the head end of colluding the shape hasp tightly inserts in the flat socket, collude the end of shape hasp and tightly the butt on the surface of guiding groove department, collude the arc flexion in the middle of the shape hasp and constitute unlocking structure holds between the fingers arc flexion and draws the hook-shaped hasp to lifting, can make the terminal of colluding the shape hasp withdraw from the ratchet.

As a further improvement, the main body part of the hook-shaped lock catch is an arc protruding towards the direction of the tilting part.

As a further improvement, be equipped with the uide pin on the side surface of guide section both sides, be equipped with the direction recess on the medial surface of guide groove both sides, uide pin slidable mounting is in the direction recess.

As a further improvement of the utility model, the inner peripheral surface of the ring-type extrusion ring is provided with a flexible silica gel ring.

As a further improvement, the inner peripheral surface of the flexible silica gel ring is evenly provided with a plurality of small holes, and the small holes are filled with lubricant.

As a further improvement of the utility model, the lubricant adopts ultrasonic couplant and vaseline.

As a further improvement of the utility model, the ring-type extrusion ring can be made of plastic or metal material.

As a further improvement, the internal surface of ring formula extrusion circle is provided with pressure sensor, and the surface of ring formula extrusion circle is provided with display device, display device is connected with the pressure sensor electricity.

As a further improvement of the utility model, pressure sensor adopts diaphragm formula sensor, and diaphragm formula sensor pastes the internal surface at ring formula extrusion ring.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses the structure is ingenious, reasonable in design, and finger ring formula extrusion ring wherein can block the finger that needs to collect blood with the form of oppression, and fingertip blood is abundant relatively, and the blood sampling is convenient, injury and contradiction that reducible extrusion and secondary misery brought.

2) The utility model provides a hasp structural configuration is ingenious, can firmly cooperate the locking reliably with the ratchet, can easily withdraw from convenient operation again from the ratchet.

3) The utility model provides a have the uide pin to mutually support with the direction recess between guide segment and the guiding groove, ring formula extrusion circle is at the internal diameter variation in-process, and the guide segment remains the parallel and level state throughout with the internal surface at the crisscross position of guiding groove to can improve the travelling comfort that the patient used.

4) The flexible silica gel ring can be additionally arranged on the inner peripheral surface of the ring-type extrusion ring to avoid the rigid extrusion of the finger of the patient by the ring-type extrusion ring, thereby relieving the pain of blood sampling of the patient; set up the aperture on the inner peripheral surface of flexible silica gel circle, be filled with emollient in the aperture, when medical personnel need promote the crowded ware of tip blood collection to the fingertip direction and make blood further abundant, the emollient in the flexible silica gel circle just can play the lubrication action, avoids arousing the patient discomfort.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 2 is a front view of the structure of embodiment 1 of the present invention.

Fig. 3 is a schematic sectional view taken along line a-a in fig. 2.

Fig. 4 is a front view of the structure of embodiment 2 of the present invention.

Description of reference numerals: the structure comprises a ring type extrusion ring 1, a guide groove 2, a guide section 3, a tilting part 4, a lock catch 5, a ratchet 6, an arc-shaped bending part 7, a main body part 8, a guide pin 9, a guide groove 10 and a flexible silica gel ring 11.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

Example 1

As shown in fig. 1 to 3, embodiment 1 discloses a peripheral blood collection and extrusion device, which includes a ring type extrusion ring 1 capable of being elastically bent, wherein the ring type extrusion ring 1 is of an unsealed structure, one end of the ring type extrusion ring 1 is provided with a guide groove 2, the other end of the ring type extrusion ring 1 is provided with a guide section 3, and the guide section 3 is movably arranged in the guide groove 2; one end, provided with the guide groove 2, of the ring type extrusion ring 1 is also provided with an outward-bent tilting part 4, a lock catch 5 is installed on the tilting part 4, the tail end of the lock catch 5 is tightly abutted to the outer surface of the guide groove 2, the outer surface of the guide section 3 is provided with a ratchet 6, and the ratchet 6 is matched with the tail end of the lock catch 5, so that the guide section 3 can only move in a single direction in the guide groove 2 in a direction that the inner diameter of the ring type extrusion ring 1 is reduced; an unlocking structure is arranged between the lock catch 5 and the tilting part 4, and the tail end of the lock catch 5 can be withdrawn from the ratchet 6 by operating the unlocking structure.

When the peripheral blood collecting and squeezing device is used, a doctor firstly selects a finger needing to collect peripheral blood, the peripheral blood collecting and squeezing device is sleeved on the root of the finger of a patient, palm heart blood is squeezed to the finger end before collection, then the finger ring type squeezing ring 1 is squeezed, the guide section 3 moves along the guide groove 2, the finger ring type squeezing ring 1 gradually tightens and tightens the root of the finger of the patient, the ratchet 6 is matched with the tail end of the lock catch 5, and the inner diameter of the finger ring type squeezing ring 1 is gradually reduced; when the finger ring type extrusion ring 1 is tightened to a proper force, a doctor uses a hemostix to puncture a fingertip after disinfecting a finger of a patient, the finger ring type extrusion ring 1 blocks the finger needing blood collection in a compression mode, the fingertip is full of blood, blood collection is convenient, and injury and contradiction caused by extrusion and secondary pain can be reduced. After blood collection is finished, the tail end of the lock catch 5 is withdrawn from the ratchet 6 by operating the unlocking structure, and the ring-type extrusion ring 1 can be conveniently taken down from the finger of the patient by restoring the original state through the elasticity of the ring-type extrusion ring.

As shown in fig. 1 and 2, in this embodiment 1, a flat socket is arranged on the end face of the tilting portion 4, the lock catch 5 is a hook-shaped lock catch 5 having a hook-shaped cross section, the head end of the hook-shaped lock catch 5 is tightly inserted into the flat socket, the end of the hook-shaped lock catch 5 is tightly abutted to the outer surface of the guide groove 2, an arc-shaped bending portion 7 in the middle of the hook-shaped lock catch 5 forms the unlocking structure, the arc-shaped bending portion 7 is pinched to lift the hook-shaped lock catch 5 upwards, and the end of the hook-shaped lock catch 5 can be withdrawn from the ratchet 6. In order to ensure that the head end of the hook-shaped lock catch 5 can be tightly connected with the flat socket without loosening, rubber or silica gel with an anti-skid function is preferably arranged on the outer surface of the hook-shaped lock catch 5.

As shown in fig. 1 and 2, in the present embodiment 1, the main body portion 8 of the hook lock 5 is in an arc shape protruding toward the tilted portion 4. With the arrangement, when the tail end of the hook-shaped lock catch 5 is embedded into the ratchet 6 and is stressed, the middle position of the arc-shaped main body part 8 is abutted against the tilting part 4, so that the hook-shaped lock catch 5 and the ratchet 6 are matched and locked more firmly and reliably.

As shown in fig. 3, in this embodiment 1, guide pins 9 are provided on the surfaces of both sides of the guide section 3, guide grooves 10 are provided on the inner surfaces of both sides of the guide groove 2, and the guide pins 9 are slidably mounted in the guide grooves 10. So set up, through mutually supporting of uide pin 9 and direction recess 10, make ring formula extrusion ring 1 at the internal diameter variation in-process, the internal surface of guide segment 3 and the crisscross position of guide groove 2 remains the parallel and level state throughout to improve the travelling comfort that the patient used.

The utility model discloses in, ring formula extrusion ring 1 can adopt plastics or metal material to make, as long as used material resilience is good, can be after the elastic bending automatic recover can, if plastics can adopt medical polypropylene plastics, the metal can adopt conventional spring steel.

The utility model discloses in, the internal surface of ring formula extrusion ring 1 is preferred to be provided with pressure sensor, and the surface of ring formula extrusion ring 1 is provided with display device, display device is connected with the pressure sensor electricity. So set up, the dynamics of oppression of ring formula extrusion ring 1 just can be quantified with data science, through the practical verification of limited number, just can block finger blood and reduce patient's pain and obtain the balance between. The display device and the pressure sensor can be conventional products in the prior art, a processor is arranged in the display device, the pressure sensor preferably adopts a diaphragm type sensor, the diaphragm type sensor is adhered to the inner surface of the ring type extrusion ring 1, and the display device and the pressure sensor are connected and transmit signals in a conventional mode in the prior art.

Example 2

As shown in fig. 4, embodiment 2 discloses a peripheral blood collection and milking device, which is different from embodiment 1 in that: the ring-type pressing ring 1 in embodiment 2 is provided with a flexible silicone ring 11 on the inner peripheral surface. So set up, can avoid ring formula extrusion ring 1 rigidity extrusion patient's finger, alleviate the pain of patient's blood sampling.

In this embodiment 2, preferably, a plurality of small holes are uniformly distributed on the inner peripheral surface of the flexible silica gel ring 11, and the small holes are filled with a lubricant. So set up, when peripheral blood collection crowded bloodletting ware cover still not enough to finger root and fingertip blood's filling, medical personnel need gather crowded bloodletting ware with peripheral blood and promote to the fingertip direction, and the emollient in the flexible silica gel circle 11 this moment just can play the lubrication action, avoids arousing the patient discomfort. The lubricant may be any conventional product in the art, such as ultrasonic couplant, petrolatum, etc.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. Peripheral blood collection crowded hemorrhaging ware which characterized in that: the device comprises a ring type extrusion ring (1) capable of being elastically bent, wherein the ring type extrusion ring (1) is of an unsealed structure, one end of the ring type extrusion ring (1) is provided with a guide groove (2), the other end of the ring type extrusion ring (1) is provided with a guide section (3), and the guide section (3) is movably arranged in the guide groove (2); one end, provided with the guide groove (2), of the ring-type extrusion ring (1) is further provided with a tilting part (4) which is bent outwards, a lock catch (5) is mounted on the tilting part (4), the tail end of the lock catch (5) is tightly abutted to the outer surface of the guide groove (2), the outer surface of the guide section (3) is provided with a ratchet (6), and the ratchet (6) is matched with the tail end of the lock catch (5) so that the guide section (3) can only move unidirectionally in the guide groove (2) in the direction in which the inner diameter of the ring-type extrusion ring (1) is reduced; an unlocking structure is arranged between the lock catch (5) and the tilting part (4), and the tail end of the lock catch (5) can be withdrawn from the ratchet (6) by operating the unlocking structure.

2. The peripheral blood collection hemospast of claim 1, wherein: be equipped with flat socket on the terminal end face of perk portion (4), hasp (5) are that cross sectional shape is the hook-shaped hasp (5) that the hook-shaped appears, and the head end of colluding shape hasp (5) tightly inserts in the flat socket, collude the end of shape hasp (5) and tightly butt on the surface of guiding groove (2) department, collude arc flexion (7) in the middle of shape hasp (5) and constitute unblock structure holds between the fingers arc flexion (7) and upwards carries and draw hook-shaped hasp (5), can make the end of colluding shape hasp (5) withdraw from in ratchet (6).

3. The peripheral blood collection hemospast of claim 2, wherein: the main body part (8) of the hook-shaped lock catch (5) is in an arc shape protruding towards the tilting part (4).

4. The peripheral blood collection hemospast of claim 1, wherein: the guide device is characterized in that guide pins (9) are arranged on the side surfaces of two sides of the guide section (3), guide grooves (10) are arranged on the inner side surfaces of two sides of the guide groove (2), and the guide pins (9) are slidably mounted in the guide grooves (10).

5. The peripheral blood collection hemospast of claim 1, wherein: the inner peripheral surface of the ring type extrusion ring (1) is provided with a flexible silica gel ring (11).

6. The peripheral blood collection hemospast of claim 5, wherein: a plurality of small holes are uniformly distributed on the inner peripheral surface of the flexible silica gel ring (11), and lubricating agents are filled in the small holes.

7. The peripheral blood collection hemospast of claim 6, wherein: the lubricant adopts ultrasonic coupling agent and vaseline.

8. The peripheral blood collection hemospast of any one of claims 1 to 7, wherein: the ring type extrusion ring (1) can be made of plastic or metal materials.

9. The peripheral blood collection hemospast of claim 1, wherein: the inner surface of the ring type extrusion ring (1) is provided with a pressure sensor, the outer surface of the ring type extrusion ring (1) is provided with a display device, and the display device is electrically connected with the pressure sensor.

10. The peripheral blood collection hemospast of claim 9, wherein: the pressure sensor is a diaphragm type sensor which is adhered to the inner surface of the ring type extrusion ring (1).