CN111232732B

CN111232732B - Portable medical finger stall feeder

Info

Publication number: CN111232732B
Application number: CN202010286076.0A
Authority: CN
Inventors: 杨珊珊; 王文营; 殷晓贝; 卢黎明
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-02-26
Anticipated expiration: 2040-04-13
Also published as: CN111232732A

Abstract

The invention discloses a portable medical finger stall feeder, which comprises a shell component, finger film rolls and a locking mechanism, wherein the finger film rolls comprise finger film belts and a winding drum, the finger film belts are composed of a plurality of finger films which are continuously arranged, a pre-tearing line is arranged between every two adjacent finger films, the finger films can be torn from the pre-tearing line, the finger film belts are wound on the winding drum, when the finger film belts are pulled out from the finger film rolls, electrons on the surfaces of the finger film belts can be separated between the two adjacent layers, one surface of each finger film belt is positively charged, the other surface of each finger film belt is negatively charged, the shell component comprises a body and a box cover, the body is provided with an accommodating cavity and a forming cavity, the finger film rolls are placed in the accommodating cavity, two opposite side walls of the accommodating cavity are respectively provided with mounting holes, a locking rod is placed in the mounting hole, the finger film rolls are sleeved on the locking rod, the finger film rolls can rotate around the locking rod, and the box cover is covered at the accommodating, the shaping chamber is provided with an upper opening and a front opening which are connected, so that the finger film can be quickly and effectively wrapped on the finger.

Description

Portable medical finger stall feeder

Technical Field

The invention relates to the technical field of medical treatment, in particular to a convenient medical finger stall feeder.

Background

When a doctor diagnoses a patient, the body of the patient sometimes needs to be contacted with fingers, if the patient has infectious diseases such as herpes simplex, chicken pox, genital herpes, scabies, highly pathogenic pathogens (such as hepatitis B virus, hepatitis C virus, HIV, treponema pallidum and the like) and the like which can be infected by contact, the doctor is likely to be infected due to the contact of the fingers with the patient, the training of the doctor is a long and hard process, and once the doctor is infected, the doctor becomes a pathogen carrier and is likely to leave the doctor post (sometimes always leaves, such as becoming an HIV carrier), so that the protection of the fingers of the doctor is very necessary.

The 2019 novel coronavirus is named as 2019-nCoV by the world health organization in 1 month and 12 days in 2020 and named as SARS-CoV-2 by the International Committee for viral Classification in 2 months and 11 days in 2020, and the acute respiratory infectious disease caused by the 2019 novel coronavirus infection is proved to be a main transmission way through respiratory droplets and also be transmitted through contact, the indirect contact way is mainly through contacting public articles infected with viruses, the public articles needing attention generally mainly comprise door handles, stair handrails and elevator keys, the preventive measures mainly comprise wearing gloves (any gloves can be cleaned and replaced every day without damp gloves), the hospital is a place with large personal flow, particularly when an elevator is used, the elevator button has many people's touches, probably leads to the virus to spread through the indirect contact of elevator button.

Medical personnel should avoid with the finger direct contact patient's health at the diagnosis disease in-process to and touch public article, like door handle, elevator button etc. all need protect the finger, though there is disposable dactylotheca now, because it is thinner, hardly open it when wearing, cause and wear the inconvenience, a plurality of packings are in the same place moreover, it is in disorder to cause the dactylotheca very easily after opening the packing, consequently can be quick effectual protect the finger, become the technical problem that remains to be solved now.

Disclosure of Invention

The invention aims to solve the technical problem of providing a portable medical fingerstall feeder aiming at the current situation of the prior art, the fingerstall roll of the invention winds a plurality of fingerstalls into a roll, the fingerstalls are tidy and are convenient to store, the feeder is convenient to store the fingerstall roll, the fingerstall roll is convenient and quick to take and use, the feeder can be used for quickly and effectively wrapping the fingerstall on a finger, when the fingerstall is worn, a user cannot touch the periphery of the fingerstall, and the user is ensured not to become an infection source.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a portable medical finger stall feeder comprises a shell component, finger film rolls and a locking mechanism, wherein the finger film rolls comprise finger film belts and a winding drum, the finger film belts are composed of a plurality of finger films which are continuously arranged, a pre-tearing line is arranged between every two adjacent finger films, the finger films can be torn from the pre-tearing line, the finger film belts are wound on the winding drum, when the finger film belts are pulled out from the finger film rolls, electrons on the surfaces of the finger film belts can be separated between two adjacent layers, one surface of each finger film belt is positively charged, the other surface of each finger film belt is negatively charged, the shell component comprises a body and a box cover, the body is provided with an accommodating cavity and a forming cavity, the finger film rolls are placed in the accommodating cavity, two opposite side walls of the accommodating cavity are respectively provided with mounting holes, a locking rod is placed in the mounting holes, the finger film rolls are sleeved on the locking rod, the finger film rolls can rotate around the locking rod, the box cover is covered at the accommodating cavity of the body, the forming cavity is provided with an upper opening, an operating surface is formed between an upper opening of the forming cavity and a cavity opening of the containing cavity, a film outlet channel is arranged at the front end of the box cover and is communicated with the containing cavity, a locking mechanism is arranged on the box cover and comprises a pressing piece, an elastic piece and a button arranged on the box cover, the button penetrates through the box cover, the pressing piece is arranged at the film outlet channel, two sides of the pressing piece are correspondingly connected to two inner side walls of the box cover, the front end of the pressing piece is provided with the elastic piece which provides reset power for the pressing piece, the upper end of the pressing piece is in interference fit with the button, the button drives the pressing piece to rotate, the finger film belt extends out from a slit formed between the pressing piece and the operating surface, the rear side of the pressing piece is pivoted with a guide wheel, the guide wheel is positioned on the finger film belt and is in clearance fit with the finger film belt, and the button is arranged to be pressed by fingers to selectively move the pressing piece from a, the finger film to be torn can be drawn out from the film outlet channel by pressing the button, the pressing piece moves from the holding position to the non-operating position, the guide wheel is in contact with the finger film belt and enables the finger film belt to be flat, the button is loosened, the pressing piece moves from the non-operating position to the holding position, the pressing piece presses the finger film belt behind the finger film to be torn, the finger film belt is automatically locked through the friction contact between the surface of the pressing piece and the surface of the finger film belt, the finger film belt is held at the position extending out of the film outlet channel by the locking mechanism, and the forming cavity is used for wrapping the torn finger film on a finger to form a finger sleeve.

In order to optimize the technical scheme, the adopted measures further comprise:

the one end of foretell check lock pole is provided with the pole head, and its other end is worn out the body and is connected with the locking cap outward, is provided with the card on the lateral wall of lid protrudingly, all is equipped with the fixed orifices with the protruding adaptation of card on pole head and the locking cap.

The upper opening of foretell shaping chamber is provided with the folding strip, and folding strip evenly distributed is in upper open-ended both sides.

The length of the folding strip at one side of the upper opening is greater than that of the folding strip at the other side of the upper opening, the folding strips at the same side of the upper opening are the same in length, and the folding strips at the two sides of the upper opening are arranged in a staggered manner along the longitudinal central line direction of the upper opening.

The back end of the molding cavity is provided with an end hole.

The bottom of the forming cavity is provided with an elastic pad which is positioned in front of the end hole.

The distance from the upper surface of the elastic pad to the upper opening of the forming cavity is greater than the maximum distance of downward bending of the folding strip.

The joint of the end hole and the rear end wall of the molding cavity is in smooth transition.

A finger pressing indicating line is arranged on the upper end face of the folding strip, and the rear end of the box cover is hinged with the rear end of the body.

The elastic piece adopts a pre-tightened elastic piece, one end of the elastic piece is tightly propped against the front end face of the lower part of the pressing and fixing piece, the other end of the elastic piece is connected onto the inner wall of the box cover, and the elastic piece enables the lower end of the pressing and fixing piece to deflect backwards towards the finger film coil until the pressing and fixing piece is abutted to the finger film belt.

The invention relates to a portable medical finger stall feeder, which comprises a shell component, finger film rolls and a locking mechanism, wherein the finger film rolls comprise finger film belts and a winding drum, the finger film belts are composed of a plurality of finger films which are continuously arranged, a pre-tearing line is arranged between every two adjacent finger films, the finger films can be torn from the pre-tearing line, the finger film belts are wound on the winding drum, when the finger film belts are pulled out from the finger film rolls, electrons on the surfaces of the finger film belts can be separated between the two adjacent layers, one surface of each finger film belt is positively charged, the other surface of each finger film belt is negatively charged, the shell component comprises a body and a box cover, the body is provided with an accommodating cavity and a forming cavity, the finger film rolls are placed in the accommodating cavity, two opposite side walls of the accommodating cavity are respectively provided with mounting holes, a locking rod is placed in the mounting hole, the finger film rolls are sleeved on the locking rod, the finger film rolls can rotate around the locking rod, and the box cover is covered at, the forming cavity is provided with an upper opening and a front opening which are connected, an operating surface is formed between the upper opening of the forming cavity and a cavity opening of the containing cavity, the front end of the box cover is provided with a film outlet channel which is communicated with the containing cavity, the locking mechanism is arranged on the box cover and comprises a pressing piece, an elastic piece and a button arranged on the box cover, the button penetrates through the box cover, the pressing piece is arranged at the film outlet channel, two sides of the pressing piece are correspondingly connected to two inner side walls of the box cover, the front end of the pressing piece is provided with the elastic piece which provides resetting power for the pressing piece, the upper end of the pressing piece is in interference fit with the button, the button drives the pressing piece to rotate, the finger film belt extends out from a slit formed between the pressing piece and the operating surface, the rear side of the pressing piece is pivoted with a guide wheel which is positioned on the finger film belt, the guide wheel is in clearance fit with the finger film belt, the button is arranged to be pressed by fingers so as to, the push button is pressed, the press-fixing piece moves to an out-of-operation position from a holding position, a finger film to be torn can be drawn out from a film outlet channel, the guide wheel is in contact with the finger film belt and enables the finger film belt to be flat, the push button is released, the press-fixing piece moves to the holding position from the out-of-operation position, the press-fixing piece presses the finger film belt behind the finger film to be torn, the finger film belt is automatically locked through the friction contact between the surface of the press-fixing piece and the surface of the finger film belt, the finger film belt is held at the position extending out of the film outlet channel by the locking mechanism, the forming cavity is used for wrapping the torn finger film on a finger to form a finger sleeve, the finger film is wound into a roll, the finger film is tidy, the finger film is convenient to store, the finger film roll is conveniently stored by the feeder, convenience and quickness in taking the finger.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a schematic perspective view of the button and fastener of the present invention;

FIG. 6 is a schematic view of a finger film roll construction of the present invention;

FIG. 7 is a schematic view of the lock lever of the present invention;

fig. 8 is a schematic view of the finger stall structure of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 8 are schematic structural views of the present invention.

Wherein the reference numerals are: the film packaging device comprises a shell assembly 1, a body 11, a box cover 12, a film outlet channel 13, a clamping boss 14, a finger film roll 2, a finger film belt 21, a winding drum 22, a pre-tearing line 23, a covering part 24, a wrapping part 25, a cylindrical structure 26, a locking mechanism 3, a pressing and fixing part 31, an elastic part 32, a button 33, a guide wheel 34, an accommodating cavity 4, a mounting hole 41, a locking rod 42, a rod head 43, a fixing cap 44, a fixing hole 45, a forming cavity 5, an upper opening 51, a front opening 52, an operating surface 53, a folding strip 54, an end hole 55, an elastic pad 56 and an indication line 57.

As shown in fig. 1 to 8:

a portable medical finger stall feeder comprises a shell component 1, a finger film roll 2 and a locking mechanism 3, wherein the finger film roll 2 comprises a finger film belt 21 and a winding drum 22, the finger film belt 21 is composed of a plurality of finger films which are continuously arranged, a pre-tearing line 23 is arranged between every two adjacent finger films, the finger films can be torn from the pre-tearing line 23, the finger film belt 21 is wound on the winding drum 22, when the finger film belt 21 is pulled out from the finger film roll 2, electrons on the surface of the finger film belt 21 can be separated between every two adjacent layers, one surface of the finger film belt 21 is positively charged, the other surface of the finger film belt 21 is negatively charged, the two surfaces of the finger film belt 21 can be mutually adsorbed after being overlapped, the torn finger films become independent individuals and can be independently used, the finger films comprise covering parts 24 and wrapping parts 25, the wrapping parts 25 are used for wrapping a cylindrical structure 26 formed by fingers, the covering parts 24 are covered on the cylindrical structure formed by the wrapping parts, so that the finger films form complete finger stalls, the shell component 1 comprises a body 11 and a box cover 12, the body 11 is provided with an accommodating cavity 4 and a forming cavity 5, a finger film roll 2 is placed in the accommodating cavity 4, two opposite side walls of the accommodating cavity 4 are respectively provided with a mounting hole 41, a locking rod 42 is placed in the mounting hole 41, the finger film roll 2 is sleeved on the locking rod 42, the finger film roll 2 can rotate around the locking rod 42, the box cover 12 is covered at the accommodating cavity 4 of the body 11, the forming cavity 5 is provided with an upper opening 51 and a front opening 52 which are connected, an operating surface 53 is formed between the upper opening 51 of the forming cavity 5 and a cavity opening of the accommodating cavity 4, a datum line is arranged on the operating surface 53, the front end of the box cover 12 is provided with a film outlet channel 13, the film outlet channel 13 is communicated with the accommodating cavity 4, the locking mechanism 3 is arranged on the box cover 12, the locking mechanism 3 comprises a press-fixing part 31, an elastic part 32 and a button 33 arranged on, the pressing piece 31 is arranged at the film outlet channel 13, two sides of the pressing piece 31 are correspondingly connected to two inner side walls of the box cover 12, the front end of the pressing piece 31 is provided with an elastic piece 32 for providing resetting power for the pressing piece 31, the upper end of the pressing piece 31 is in interference fit with the button 33, the button 33 drives the pressing piece 31 to rotate, the finger film strip 21 extends out from a slit formed between the pressing piece 31 and the operating surface 53, the pressing piece 31 is in clearance fit with the finger film strip 21, the rear side of the pressing piece 31 is pivoted with a guide wheel 34, the guide wheel 34 is positioned above the finger film strip 21, the guide wheel 34 is in clearance fit with the finger film strip 21, the button 33 is arranged to be pressed by fingers to selectively move the pressing piece 31 from a holding position and an inoperative position, the button 33 is pressed, the pressing piece 31 is moved from the holding position to the inoperative position, the finger film to be torn can be pulled out from the film outlet channel 13, the guide wheel 34 is in contact with the finger film strip, the periphery of the guide wheel 34 is provided with an axial groove, the guide wheel 34 is matched with an operation surface to prevent the finger film strips 21 from being adhered, the button 33 is loosened, the pressing piece 31 moves to a holding position from a non-working position, the pressing piece 31 presses the finger film strips 21 behind the finger films to be torn, the finger film strips 21 are automatically locked through the friction contact between the surface of the pressing piece 31 and the surface of the finger film strips 21, the locking mechanism 3 keeps the finger film strips 21 at the position extending out of the film outlet channel 13, the forming cavity 5 is used for wrapping the torn finger films on fingers to form finger sleeves, the finger films can be torn off through the locking mechanism under the condition that the fingers do not contact the finger film strips behind the finger films to be torn, the subsequent finger films are prevented from being pulled out, the subsequent finger films are prevented from being polluted, meanwhile, the finger films can be ensured to be exposed out of the film outlet channel, the subsequent use is convenient, a plurality of finger films are wound into a roll by the finger film roll, the finger, the finger stall is convenient to store, the finger stall roll is convenient and quick to take and use, the finger stall can be quickly and effectively wrapped on a finger by using the feeder, and when the finger stall is worn, a user cannot touch the periphery of the finger stall, so that the self propagation of the user is blocked.

In the embodiment, one end of the locking rod 42 is provided with a rod head 43, the other end of the locking rod passes through the outside of the body 11 and is connected with a fixing cap 44, the outer side wall of the box cover 12 is provided with a clamping protrusion 14, the rod head 43 and the fixing cap 44 are both provided with fixing holes 45 matched with the clamping protrusion 14, the locking rod 42 is arranged in the mounting hole 41 in a penetrating manner, the box cover 12 is covered on the accommodating cavity 4 of the body 11, then the fixing cap 44 is connected with the end part of the locking rod 42, so that the rod head 43 and the fixing holes 45 of the fixing cap 44 fix the clamping protrusion 14 on the outer side wall of the box cover 12, the box cover 12 is fixed and cannot be opened, and meanwhile, due to the matching of the fixing holes 45 and the clamping protrusions 14, the locking rod 42 is prevented from rotating, and the fixing cap 44 and the clamping protrusion 14 are.

In the embodiment, the upper opening 51 of the forming cavity 5 is provided with the folding strips 54, the folding strips 54 are uniformly distributed on two sides of the upper opening 51, the folding strips can be elastically deformed, a finger touches the finger film at the upper opening of the forming cavity and presses the folding strips downwards, the folding strips are bent downwards, and in the process of moving the finger downwards, the folding strips recover under the elasticity of the folding strips, and two sides of the finger film are folded towards the longitudinal central line direction of the upper opening.

In the embodiment, the length of the folding strip 54 on one side of the upper opening 51 is greater than the length of the folding strip 54 on the other side of the upper opening 51, the folding strips 54 on the same side of the upper opening 51 have the same length, the folding strips 54 on the two sides of the upper opening 51 are staggered along the longitudinal center line direction of the upper opening 51, the shorter folding strip is firstly restored to the original shape, the finger film on the corresponding side is folded towards the longitudinal center line direction of the upper opening, the longer folding strip is then restored to the original shape, the finger film on the corresponding side is folded towards the longitudinal center line direction of the upper opening and is covered on the folded finger film, and the two sides of the finger film are overlapped and adsorbed together.

In the embodiment, the back end of the forming cavity 5 is formed with an end hole 55, the two sides of the wrapping part of the finger film are overlapped to form a cylindrical structure, in the process that the finger moves downwards along the forming cavity, the back end wall of the forming cavity enables the finger film of the wrapping part originally on the operating table to be perpendicular to the cylindrical structure, the finger extends inwards into the end hole, the finger film of the wrapping part covers the cylindrical structure, and the finger film can wrap the finger completely.

In the embodiment, the bottom of the forming cavity 5 is provided with an elastic pad 56, the elastic pad 56 is located in front of the end hole 55, when a finger enters the end hole, the elastic pad provides upward elastic force for the finger, so that the covering part is in closer contact with the cylindrical structure formed by the wrapping part.

In the embodiment, the distance from the upper surface of the elastic pad 56 to the upper opening 51 of the forming cavity 5 is greater than the maximum distance of the downward bending of the folding strip 54, so that the formed finger stall is loose, the finger stall can be conveniently removed after use, and the finger stall can be conveniently removed without touching the finger stall.

In the embodiment, the junction between the end hole 55 and the rear end wall of the molding cavity 5 is smoothly transited, so that the use safety is improved, and the finger is prevented from being scratched or the finger membrane is prevented from being scratched at the junction when the finger enters the end hole.

In the embodiment, a finger pressing indication line 57 is provided on the upper end surface of the folding strip 54, and the rear end of the box cover 12 is hinged with the rear end of the body 11.

In the embodiment, the elastic member 32 is a pre-tightened elastic sheet, one end of the elastic sheet is tightly abutted against the front end face of the lower portion of the pressing member 31, the other end of the elastic sheet is connected to the inner wall of the box cover 12, and the elastic member 32 makes the lower end of the pressing member 31 deflect backwards towards the finger film roll 2 until the pressing member 31 abuts against the finger film strip 21.

The working principle and the using method of the invention are as follows:

storing a finger membrane roll, lifting the box cover upwards, opening the box cover, when taking out the locking rod, putting the finger membrane roll into the accommodating cavity, aligning the locking rod with the mounting hole on one side of the body, penetrating the locking rod through the winding drum from the mounting hole on the other side of the body, pulling the initial end of the finger membrane strip of the finger membrane roll to the datum line, clamping the box cover at the accommodating cavity, matching the locking mechanism with the operating surface to keep the finger membrane strip at the position extending out of the membrane channel, connecting the fixing cap at the end part of the locking rod, fixing the rod head and the fixing hole of the fixing cap on the clamping protrusion on the outer side wall of the box cover, fixing the box cover at the moment and preventing the locking rod from rotating due to the matching of the fixing hole and the clamping protrusion;

when the finger film is taken, the button is pressed, the button acts on the upper end of the pressing piece, the pressing piece rotates, the pressing piece moves to the non-operating position from the holding position, the finger film to be torn can be pulled out from the film outlet channel, electrons on the surface of the finger film band can be separated between two adjacent layers when the finger film band is pulled, one surface of the finger film band is positively charged, the other surface of the finger film band is negatively charged, the torn finger film can be adsorbed on a finger, the finger film to be torn is covered at the upper opening of the forming cavity, meanwhile, a pre-tearing line behind the finger film to be torn is aligned with a datum line, the button is released, the pressing piece moves to the holding position from the non-operating position, the pressing piece presses the finger film band behind the finger film to be torn, the finger film to be torn is divided into two parts, the part positioned at the rear end of the datum line to the upper opening is a covering part, the part positioned at the upper opening is a wrapping part, and, and pressing the folding strip downwards, bending the folding strip downwards, tearing the finger film to be torn from the pre-tearing line under the action of tension in the downward moving process of the finger, firstly enabling the shorter folding strip to restore the original shape, folding the wrapping part finger film on the corresponding side towards the longitudinal central line direction of the upper opening, enabling the longer folding strip to restore the original shape, folding the wrapping part finger film on the corresponding side towards the longitudinal central line direction of the upper opening, covering the folded finger film, enabling the two sides of the wrapping part finger film to be overlapped and mutually adsorbed to form a cylindrical structure, enabling the finger film on the covering part to be perpendicular to the cylindrical structure under the action of the rear end wall of the forming cavity, enabling the finger film on the covering part to be covered in the end hole inwards, enabling the finger film to completely wrap the finger to form a complete finger sleeve, pulling out the finger from the front opening, taking out the finger sleeve simultaneously, throwing the finger after use, and enabling the finger to fall down only by moving the finger, the utility model is thrown into a recovery device, so that the outer wall of the finger stall does not need to be touched in the process of dropping the finger stall.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims

1. The utility model provides a medical dactylotheca feeder of portable, characterized by: including shell subassembly (1), indicate membrane book (2) and locking mechanical system (3), indicate membrane book (2) including indicating membrane area (21) and reel (22), indicate membrane area (21) to constitute by a plurality of finger membranes that are the continuity and arrange, be equipped with between two adjacent finger membranes in advance tear line (23), indicate that the membrane can tear from advance tear line (23), indicate membrane area (21) to coil on reel (22), when indicating membrane area (21) is pulled out from indicating membrane book (2), indicate that the electron on membrane area (21) surface can separate between adjacent two-layer, indicate that one side of membrane area (21) is positive charge, indicate another side of membrane area (21) and take the negative charge, shell subassembly (1) includes body (11) and lid (12), be equipped with on body (11) and hold chamber (4) and shaping chamber (5), indicate membrane book (2) to place hold in chamber (4), hold and be equipped with mounting hole (41) on two relative lateral walls of chamber (4) respectively, mounting hole (41) are arranged in to check lock lever (42), indicate that membrane book (2) cover is put on check lock lever (42), indicate that membrane book (2) can wind check lock lever (42) rotate, lid (12) lid closes holding chamber (4) department of body (11), become die cavity (5) and be equipped with continuous upper shed (51) and preceding opening (52), become the upper shed (51) of die cavity (5) with be formed with operation face (53) between the accent of chamber (4), the front end of lid (12) is equipped with out membrane passageway (13), go out membrane passageway (13) with hold chamber (4) intercommunication, locking mechanical system (3) set up on lid (12), locking mechanical system (3) are including pressure firmware (31), The film pressing device comprises an elastic piece (32) and a button (33) installed on a box cover (12), the button (33) penetrates through the box cover (12), a pressing piece (31) is installed at a film outlet channel (13), two sides of the pressing piece (31) are correspondingly connected to two inner side walls of the box cover (12), the elastic piece (32) providing reset power for the pressing piece (31) is arranged at the front end of the pressing piece (31), the upper end of the pressing piece (31) is in interference fit with the button (33), the button (33) drives the pressing piece (31) to rotate, a film finger belt (21) extends outwards from a slit formed between the pressing piece (31) and an operating surface (53), a guide wheel (34) is pivoted at the rear side of the pressing piece (31), the guide wheel (34) is located on the film finger belt (21), and the guide wheel (34) is in clearance fit with the film finger belt (21), the button (33) is arranged to be pressed by a finger to selectively move the press-fixing member (31) from the holding position and the rest position, the button (33) is pressed to move the press-fixing member (31) from the holding position to the rest position, and the finger film to be torn can be drawn out from the film outlet channel (13), the guide wheel (34) is in contact with the finger film strip (21) and flattens the finger film strip (21), the button (33) is released, the pressing piece (31) moves from the inactive position to the holding position, the pressing piece (31) presses the finger film strip (21) behind the finger film to be torn, automatically locking the fingerstall strip (21) by frictional contact between the surface of the press member (31) and the surface of the fingerstall strip (21), the locking mechanism (3) keeps the film indicating belt (21) at a position extending out of the film outlet channel (13), the forming cavity (5) is used for wrapping the torn finger film on a finger to form a finger sleeve.

2. A portable medical finger cuff feeder as claimed in claim 1, wherein: one end of the locking rod (42) is provided with a rod head (43), the other end of the locking rod penetrates out of the body (11) and is connected with a fixing cap (44), the outer side wall of the box cover (12) is provided with a clamping protrusion (14), and the rod head (43) and the fixing cap (44) are both provided with fixing holes (45) matched with the clamping protrusion (14).

3. A portable medical finger cuff feeder as claimed in claim 2, wherein: folding strips (54) are arranged at the upper opening (51) of the forming cavity (5), and the folding strips (54) are uniformly distributed on two sides of the upper opening (51).

4. A portable medical finger cuff feeder as claimed in claim 3, wherein: the length of the folding strip (54) at one side of the upper opening (51) is greater than that of the folding strip (54) at the other side of the upper opening (51), the folding strips (54) positioned at the same side of the upper opening (51) have the same length, and the folding strips (54) at two sides of the upper opening (51) are arranged in a staggered mode along the longitudinal center line direction of the upper opening (51).

5. A portable medical finger cuff feeder as claimed in claim 4, wherein: an end hole (55) is formed at the rear end of the molding cavity (5).

6. A portable medical finger cuff feeder as claimed in claim 5, wherein: the bottom of the forming cavity (5) is provided with an elastic pad (56), and the elastic pad (56) is positioned in front of the end hole (55).

7. A portable medical finger cuff feeder as claimed in claim 6, wherein: the distance from the upper surface of the elastic pad (56) to the upper opening (51) of the forming cavity (5) is greater than the maximum distance of the downward bending of the folding strip (54).

8. A portable medical finger cuff feeder as claimed in claim 7, wherein: the junction of the end hole (55) and the rear end wall of the molding cavity (5) is in smooth transition.

9. A portable medical finger cuff feeder as claimed in claim 8, wherein: a finger pressing indicating line (57) is arranged on the upper end face of the folding strip (54), and the rear end of the box cover (12) is hinged with the rear end of the body (11).

10. A portable medical finger cuff feeder as claimed in claim 9, wherein: the elastic piece (32) adopts a pre-tightened elastic piece, one end of the elastic piece is tightly propped against the front end face of the lower part of the pressing and fixing piece (31), the other end of the elastic piece is connected onto the inner wall of the box cover (12), and the elastic piece (32) enables the lower end of the pressing and fixing piece (31) to deflect backwards towards the finger film roll (2) until the pressing and fixing piece (31) is propped against the finger film belt (21).